diff options
74 files changed, 3177 insertions, 1403 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1ad6fb6c094..5ef81367a8e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -727,6 +727,7 @@ config ARCH_S3C64XX select ARM_VIC select CLKDEV_LOOKUP select CLKSRC_SAMSUNG_PWM + select COMMON_CLK select CPU_V6 select GENERIC_CLOCKEVENTS select GPIO_SAMSUNG @@ -740,7 +741,6 @@ config ARCH_S3C64XX select S3C_DEV_NAND select S3C_GPIO_TRACK select SAMSUNG_ATAGS - select SAMSUNG_CLKSRC select SAMSUNG_GPIOLIB_4BIT select SAMSUNG_WDT_RESET select USB_ARCH_HAS_OHCI diff --git a/arch/arm/boot/dts/keystone-clocks.dtsi b/arch/arm/boot/dts/keystone-clocks.dtsi new file mode 100644 index 00000000000..d6713b11325 --- /dev/null +++ b/arch/arm/boot/dts/keystone-clocks.dtsi @@ -0,0 +1,821 @@ +/* + * Device Tree Source for Keystone 2 clock tree + * + * Copyright (C) 2013 Texas Instruments, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +clocks { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + refclkmain: refclkmain { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <122880000>; + clock-output-names = "refclk-main"; + }; + + mainpllclk: mainpllclk@2310110 { + #clock-cells = <0>; + compatible = "ti,keystone,main-pll-clock"; + clocks = <&refclkmain>; + reg = <0x02620350 4>, <0x02310110 4>; + reg-names = "control", "multiplier"; + fixed-postdiv = <2>; + }; + + papllclk: papllclk@2620358 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "pa-pll-clk"; + reg = <0x02620358 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3allclk: ddr3apllclk@2620360 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3a-pll-clk"; + reg = <0x02620360 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + ddr3bllclk: ddr3bpllclk@2620368 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "ddr-3b-pll-clk"; + reg = <0x02620368 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + armpllclk: armpllclk@2620370 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-clock"; + clocks = <&refclkmain>; + clock-output-names = "arm-pll-clk"; + reg = <0x02620370 4>; + reg-names = "control"; + fixed-postdiv = <6>; + }; + + mainmuxclk: mainmuxclk@2310108 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-mux-clock"; + clocks = <&mainpllclk>, <&refclkmain>; + reg = <0x02310108 4>; + bit-shift = <23>; + bit-mask = <1>; + clock-output-names = "mainmuxclk"; + }; + + chipclk1: chipclk1 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1"; + }; + + chipclk1rstiso: chipclk1rstiso { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&mainmuxclk>; + clock-div = <1>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso"; + }; + + gemtraceclk: gemtraceclk@2310120 { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310120 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "gemtraceclk"; + }; + + chipstmxptclk: chipstmxptclk { + #clock-cells = <0>; + compatible = "ti,keystone,pll-divider-clock"; + clocks = <&mainmuxclk>; + reg = <0x02310164 4>; + bit-shift = <0>; + bit-mask = <8>; + clock-output-names = "chipstmxptclk"; + }; + + chipclk12: chipclk12 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <2>; + clock-mult = <1>; + clock-output-names = "chipclk12"; + }; + + chipclk13: chipclk13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk13"; + }; + + chipclk14: chipclk14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk14"; + }; + + chipclk16: chipclk16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk16"; + }; + + chipclk112: chipclk112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk112"; + }; + + chipclk124: chipclk124 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1>; + clock-div = <24>; + clock-mult = <1>; + clock-output-names = "chipclk114"; + }; + + chipclk1rstiso13: chipclk1rstiso13 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <3>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso13"; + }; + + chipclk1rstiso14: chipclk1rstiso14 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <4>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso14"; + }; + + chipclk1rstiso16: chipclk1rstiso16 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <6>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso16"; + }; + + chipclk1rstiso112: chipclk1rstiso112 { + #clock-cells = <0>; + compatible = "fixed-factor-clock"; + clocks = <&chipclk1rstiso>; + clock-div = <12>; + clock-mult = <1>; + clock-output-names = "chipclk1rstiso112"; + }; + + clkmodrst0: clkmodrst0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "modrst0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkusb: clkusb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "usb"; + reg = <0x02350008 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemifspi: clkaemifspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "aemif-spi"; + reg = <0x0235000c 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + + clkdebugsstrc: clkdebugsstrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "debugss-trc"; + reg = <0x02350014 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clktetbtrc: clktetbtrc { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tetb-trc"; + reg = <0x02350018 0xb00>, <0x02350004 0x400>; + reg-names = "control", "domain"; + domain-id = <1>; + }; + + clkpa: clkpa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk16>; + clock-output-names = "pa"; + reg = <0x0235001c 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkcpgmac: clkcpgmac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "cpgmac"; + reg = <0x02350020 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clksa: clksa { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkpa>; + clock-output-names = "sa"; + reg = <0x02350024 0xb00>, <0x02350008 0x400>; + reg-names = "control", "domain"; + domain-id = <2>; + }; + + clkpcie: clkpcie { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "pcie"; + reg = <0x02350028 0xb00>, <0x0235000c 0x400>; + reg-names = "control", "domain"; + domain-id = <3>; + }; + + clksrio: clksrio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso13>; + clock-output-names = "srio"; + reg = <0x0235002c 0xb00>, <0x02350010 0x400>; + reg-names = "control", "domain"; + domain-id = <4>; + }; + + clkhyperlink0: clkhyperlink0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-0"; + reg = <0x02350030 0xb00>, <0x02350014 0x400>; + reg-names = "control", "domain"; + domain-id = <5>; + }; + + clksr: clksr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1rstiso112>; + clock-output-names = "sr"; + reg = <0x02350034 0xb00>, <0x02350018 0x400>; + reg-names = "control", "domain"; + domain-id = <6>; + }; + + clkmsmcsram: clkmsmcsram { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "msmcsram"; + reg = <0x02350038 0xb00>, <0x0235001c 0x400>; + reg-names = "control", "domain"; + domain-id = <7>; + }; + + clkgem0: clkgem0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem0"; + reg = <0x0235003c 0xb00>, <0x02350020 0x400>; + reg-names = "control", "domain"; + domain-id = <8>; + }; + + clkgem1: clkgem1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem1"; + reg = <0x02350040 0xb00>, <0x02350024 0x400>; + reg-names = "control", "domain"; + domain-id = <9>; + }; + + clkgem2: clkgem2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem2"; + reg = <0x02350044 0xb00>, <0x02350028 0x400>; + reg-names = "control", "domain"; + domain-id = <10>; + }; + + clkgem3: clkgem3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem3"; + reg = <0x02350048 0xb00>, <0x0235002c 0x400>; + reg-names = "control", "domain"; + domain-id = <11>; + }; + + clkgem4: clkgem4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem4"; + reg = <0x0235004c 0xb00>, <0x02350030 0x400>; + reg-names = "control", "domain"; + domain-id = <12>; + }; + + clkgem5: clkgem5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem5"; + reg = <0x02350050 0xb00>, <0x02350034 0x400>; + reg-names = "control", "domain"; + domain-id = <13>; + }; + + clkgem6: clkgem6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem6"; + reg = <0x02350054 0xb00>, <0x02350038 0x400>; + reg-names = "control", "domain"; + domain-id = <14>; + }; + + clkgem7: clkgem7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk1>; + clock-output-names = "gem7"; + reg = <0x02350058 0xb00>, <0x0235003c 0x400>; + reg-names = "control", "domain"; + domain-id = <15>; + }; + + clkddr30: clkddr30 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "ddr3-0"; + reg = <0x0235005c 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clkddr31: clkddr31 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "ddr3-1"; + reg = <0x02350060 0xb00>, <0x02350040 0x400>; + reg-names = "control", "domain"; + domain-id = <16>; + }; + + clktac: clktac { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tac"; + reg = <0x02350064 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac01: clktac01 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-01"; + reg = <0x02350068 0xb00>, <0x02350044 0x400>; + reg-names = "control", "domain"; + domain-id = <17>; + }; + + clkrac23: clktac23 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "rac-23"; + reg = <0x0235006c 0xb00>, <0x02350048 0x400>; + reg-names = "control", "domain"; + domain-id = <18>; + }; + + clkfftc0: clkfftc0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-0"; + reg = <0x02350070 0xb00>, <0x0235004c 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc1: clkfftc1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-1"; + reg = <0x02350074 0xb00>, <0x023504c0 0x400>; + reg-names = "control", "domain"; + domain-id = <19>; + }; + + clkfftc2: clkfftc2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-2"; + reg = <0x02350078 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc3: clkfftc3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-3"; + reg = <0x0235007c 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc4: clkfftc4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-4"; + reg = <0x02350080 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkfftc5: clkfftc5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "fftc-5"; + reg = <0x02350084 0xb00>, <0x02350050 0x400>; + reg-names = "control", "domain"; + domain-id = <20>; + }; + + clkaif: clkaif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "aif"; + reg = <0x02350088 0xb00>, <0x02350054 0x400>; + reg-names = "control", "domain"; + domain-id = <21>; + }; + + clktcp3d0: clktcp3d0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-0"; + reg = <0x0235008c 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d1: clktcp3d1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-1"; + reg = <0x02350090 0xb00>, <0x02350058 0x400>; + reg-names = "control", "domain"; + domain-id = <22>; + }; + + clktcp3d2: clktcp3d2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-2"; + reg = <0x02350094 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clktcp3d3: clktcp3d3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "tcp3d-3"; + reg = <0x02350098 0xb00>, <0x0235005c 0x400>; + reg-names = "control", "domain"; + domain-id = <23>; + }; + + clkvcp0: clkvcp0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-0"; + reg = <0x0235009c 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp1: clkvcp1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-1"; + reg = <0x023500a0 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp2: clkvcp2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-2"; + reg = <0x023500a4 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp3: clkvcp3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-3"; + reg = <0x0235000a8 0xb00>, <0x02350060 0x400>; + reg-names = "control", "domain"; + domain-id = <24>; + }; + + clkvcp4: clkvcp4 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-4"; + reg = <0x023500ac 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp5: clkvcp5 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-5"; + reg = <0x023500b0 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp6: clkvcp6 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-6"; + reg = <0x023500b4 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkvcp7: clkvcp7 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "vcp-7"; + reg = <0x023500b8 0xb00>, <0x02350064 0x400>; + reg-names = "control", "domain"; + domain-id = <25>; + }; + + clkbcp: clkbcp { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "bcp"; + reg = <0x023500bc 0xb00>, <0x02350068 0x400>; + reg-names = "control", "domain"; + domain-id = <26>; + }; + + clkdxb: clkdxb { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "dxb"; + reg = <0x023500c0 0xb00>, <0x0235006c 0x400>; + reg-names = "control", "domain"; + domain-id = <27>; + }; + + clkhyperlink1: clkhyperlink1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk12>; + clock-output-names = "hyperlink-1"; + reg = <0x023500c4 0xb00>, <0x02350070 0x400>; + reg-names = "control", "domain"; + domain-id = <28>; + }; + + clkxge: clkxge { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&chipclk13>; + clock-output-names = "xge"; + reg = <0x023500c8 0xb00>, <0x02350074 0x400>; + reg-names = "control", "domain"; + domain-id = <29>; + }; + + clkwdtimer0: clkwdtimer0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer1: clkwdtimer1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer2: clkwdtimer2 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer2"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkwdtimer3: clkwdtimer3 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "timer3"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart0: clkuart0 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart0"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkuart1: clkuart1 { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "uart1"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkaemif: clkaemif { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "aemif"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkusim: clkusim { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "usim"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clki2c: clki2c { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "i2c"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkspi: clkspi { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkaemifspi>; + clock-output-names = "spi"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkgpio: clkgpio { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "gpio"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; + + clkkeymgr: clkkeymgr { + #clock-cells = <0>; + compatible = "ti,keystone,psc-clock"; + clocks = <&clkmodrst0>; + clock-output-names = "keymgr"; + reg = <0x02350000 0xb00>, <0x02350000 0x400>; + reg-names = "control", "domain"; + domain-id = <0>; + }; +}; diff --git a/arch/arm/boot/dts/keystone.dts b/arch/arm/boot/dts/keystone.dts index a68e34bbecb..100bdf52b84 100644 --- a/arch/arm/boot/dts/keystone.dts +++ b/arch/arm/boot/dts/keystone.dts @@ -100,13 +100,15 @@ reg = <0x023100e8 4>; /* pll reset control reg */ }; + /include/ "keystone-clocks.dtsi" + uart0: serial@02530c00 { compatible = "ns16550a"; current-speed = <115200>; reg-shift = <2>; reg-io-width = <4>; reg = <0x02530c00 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart0>; interrupts = <GIC_SPI 277 IRQ_TYPE_EDGE_RISING>; }; @@ -116,9 +118,66 @@ reg-shift = <2>; reg-io-width = <4>; reg = <0x02531000 0x100>; - clock-frequency = <133120000>; + clocks = <&clkuart1>; interrupts = <GIC_SPI 280 IRQ_TYPE_EDGE_RISING>; }; + i2c0: i2c@2530000 { + compatible = "ti,davinci-i2c"; + reg = <0x02530000 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 283 IRQ_TYPE_EDGE_RISING>; + #address-cells = <1>; + #size-cells = <0>; + + dtt@50 { + compatible = "at,24c1024"; + reg = <0x50>; + }; + }; + + i2c1: i2c@2530400 { + compatible = "ti,davinci-i2c"; + reg = <0x02530400 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 286 IRQ_TYPE_EDGE_RISING>; + }; + + i2c2: i2c@2530800 { + compatible = "ti,davinci-i2c"; + reg = <0x02530800 0x400>; + clock-frequency = <100000>; + clocks = <&clki2c>; + interrupts = <GIC_SPI 289 IRQ_TYPE_EDGE_RISING>; + }; + + spi0: spi@21000400 { + compatible = "ti,dm6441-spi"; + reg = <0x21000400 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 292 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi1: spi@21000600 { + compatible = "ti,dm6441-spi"; + reg = <0x21000600 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 296 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; + + spi2: spi@21000800 { + compatible = "ti,dm6441-spi"; + reg = <0x21000800 0x200>; + num-cs = <4>; + ti,davinci-spi-intr-line = <0>; + interrupts = <GIC_SPI 300 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkspi>; + }; }; }; diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi new file mode 100644 index 00000000000..46b82aa7dc4 --- /dev/null +++ b/arch/arm/boot/dts/r7s72100.dtsi @@ -0,0 +1,36 @@ +/* + * Device Tree Source for the r7s72100 SoC + * + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r7s72100"; + interrupt-parent = <&gic>; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + reg = <0>; + }; + }; + + gic: interrupt-controller@e8201000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0xe8201000 0x1000>, + <0xe8202000 0x1000>; + }; +}; diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi new file mode 100644 index 00000000000..bbed43bd9be --- /dev/null +++ b/arch/arm/boot/dts/r8a7791.dtsi @@ -0,0 +1,41 @@ +/* + * Device Tree Source for the r8a7791 SoC + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/ { + compatible = "renesas,r8a7791"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a15"; + reg = <0>; + clock-frequency = <1300000000>; + }; + }; + + gic: interrupt-controller@f1001000 { + compatible = "arm,cortex-a15-gic"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0 0xf1001000 0 0x1000>, + <0 0xf1002000 0 0x1000>, + <0 0xf1004000 0 0x2000>, + <0 0xf1006000 0 0x2000>; + interrupts = <1 9 0xf04>; + }; +}; diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig index 1f36b823905..9943e5da74f 100644 --- a/arch/arm/configs/keystone_defconfig +++ b/arch/arm/configs/keystone_defconfig @@ -123,7 +123,9 @@ CONFIG_SERIAL_OF_PLATFORM=y CONFIG_I2C=y # CONFIG_I2C_COMPAT is not set CONFIG_I2C_CHARDEV=y +CONFIG_I2C_DAVINCI=y CONFIG_SPI=y +CONFIG_SPI_DAVINCI=y CONFIG_SPI_SPIDEV=y # CONFIG_HWMON is not set CONFIG_WATCHDOG=y diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index c4bdc0a1c36..30a44e2df47 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -74,7 +74,7 @@ static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler) if (handler != NULL) { da830_evm_usb_ocic_handler = handler; - error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED | + error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index ab98c75cabb..e0de2da41b5 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -211,7 +211,7 @@ static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler) hawk_usb_ocic_handler = handler; error = request_irq(irq, omapl138_hawk_usb_ocic_irq, - IRQF_DISABLED | IRQF_TRIGGER_RISING | + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "OHCI over-current indicator", NULL); if (error) diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 7a55b5c9597..e7ada0ca72e 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -181,7 +181,7 @@ static struct timer_s timers[] = { .name = "clockevent", .opts = TIMER_OPTS_DISABLED, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = timer_interrupt, } }, @@ -190,7 +190,7 @@ static struct timer_s timers[] = { .period = ~0, .opts = TIMER_OPTS_PERIODIC, .irqaction = { - .flags = IRQF_DISABLED | IRQF_TIMER, + .flags = IRQF_TIMER, .handler = freerun_interrupt, } }, diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig index 366d1a3b418..f20c53e75ed 100644 --- a/arch/arm/mach-keystone/Kconfig +++ b/arch/arm/mach-keystone/Kconfig @@ -9,6 +9,8 @@ config ARCH_KEYSTONE select GENERIC_CLOCKEVENTS select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_ERRATA_798181 if SMP + select COMMON_CLK_KEYSTONE + select TI_EDMA help Support for boards based on the Texas Instruments Keystone family of SoCs. diff --git a/arch/arm/mach-keystone/Makefile b/arch/arm/mach-keystone/Makefile index ddc52b05dc8..25d92396fbf 100644 --- a/arch/arm/mach-keystone/Makefile +++ b/arch/arm/mach-keystone/Makefile @@ -4,3 +4,6 @@ plus_sec := $(call as-instr,.arch_extension sec,+sec) AFLAGS_smc.o :=-Wa,-march=armv7-a$(plus_sec) obj-$(CONFIG_SMP) += platsmp.o + +# PM domain driver for Keystone SOCs +obj-$(CONFIG_ARCH_KEYSTONE) += pm_domain.o diff --git a/arch/arm/mach-keystone/pm_domain.c b/arch/arm/mach-keystone/pm_domain.c new file mode 100644 index 00000000000..29625232e95 --- /dev/null +++ b/arch/arm/mach-keystone/pm_domain.c @@ -0,0 +1,82 @@ +/* + * PM domain driver for Keystone2 devices + * + * Copyright 2013 Texas Instruments, Inc. + * Santosh Shilimkar <santosh.shillimkar@ti.com> + * + * Based on Kevins work on DAVINCI SOCs + * Kevin Hilman <khilman@linaro.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/pm_runtime.h> +#include <linux/pm_clock.h> +#include <linux/platform_device.h> +#include <linux/clk-provider.h> +#include <linux/of.h> + +#ifdef CONFIG_PM_RUNTIME +static int keystone_pm_runtime_suspend(struct device *dev) +{ + int ret; + + dev_dbg(dev, "%s\n", __func__); + + ret = pm_generic_runtime_suspend(dev); + if (ret) + return ret; + + ret = pm_clk_suspend(dev); + if (ret) { + pm_generic_runtime_resume(dev); + return ret; + } + + return 0; +} + +static int keystone_pm_runtime_resume(struct device *dev) +{ + dev_dbg(dev, "%s\n", __func__); + + pm_clk_resume(dev); + + return pm_generic_runtime_resume(dev); +} +#endif + +static struct dev_pm_domain keystone_pm_domain = { + .ops = { + SET_RUNTIME_PM_OPS(keystone_pm_runtime_suspend, + keystone_pm_runtime_resume, NULL) + USE_PLATFORM_PM_SLEEP_OPS + }, +}; + +static struct pm_clk_notifier_block platform_domain_notifier = { + .pm_domain = &keystone_pm_domain, +}; + +static struct of_device_id of_keystone_table[] = { + {.compatible = "ti,keystone"}, + { /* end of list */ }, +}; + +int __init keystone_pm_runtime_init(void) +{ + struct device_node *np; + + np = of_find_matching_node(NULL, of_keystone_table); + if (!np) + return 0; + + of_clk_init(NULL); + pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); + + return 0; +} +subsys_initcall(keystone_pm_runtime_init); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index d9ee0ff094d..1c217e89deb 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2357,25 +2357,29 @@ static struct device_node *of_dev_hwmod_lookup(struct device_node *np, /** * _init_mpu_rt_base - populate the virtual address for a hwmod * @oh: struct omap_hwmod * to locate the virtual address + * @data: (unused, caller should pass NULL) + * @np: struct device_node * of the IP block's device node in the DT data * * Cache the virtual address used by the MPU to access this IP block's * registers. This address is needed early so the OCP registers that * are part of the device's address space can be ioremapped properly. - * No return value. + * + * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and + * -ENXIO on absent or invalid register target address space. */ -static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) +static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data, + struct device_node *np) { struct omap_hwmod_addr_space *mem; void __iomem *va_start = NULL; - struct device_node *np; if (!oh) - return; + return -EINVAL; _save_mpu_port_index(oh); if (oh->_int_flags & _HWMOD_NO_MPU_PORT) - return; + return -ENXIO; mem = _find_mpu_rt_addr_space(oh); if (!mem) { @@ -2383,25 +2387,24 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) oh->name); /* Extract the IO space from device tree blob */ - if (!of_have_populated_dt()) - return; + if (!np) + return -ENXIO; - np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); - if (np) - va_start = of_iomap(np, oh->mpu_rt_idx); + va_start = of_iomap(np, oh->mpu_rt_idx); } else { va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start); } if (!va_start) { pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name); - return; + return -ENXIO; } pr_debug("omap_hwmod: %s: MPU register target at va %p\n", oh->name, va_start); oh->_mpu_rt_va = va_start; + return 0; } /** @@ -2414,18 +2417,28 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data) * registered at this point. This is the first of two phases for * hwmod initialization. Code called here does not touch any hardware * registers, it simply prepares internal data structures. Returns 0 - * upon success or if the hwmod isn't registered, or -EINVAL upon - * failure. + * upon success or if the hwmod isn't registered or if the hwmod's + * address space is not defined, or -EINVAL upon failure. */ static int __init _init(struct omap_hwmod *oh, void *data) { int r; + struct device_node *np = NULL; if (oh->_state != _HWMOD_STATE_REGISTERED) return 0; - if (oh->class->sysc) - _init_mpu_rt_base(oh, NULL); + if (of_have_populated_dt()) + np = of_dev_hwmod_lookup(of_find_node_by_name(NULL, "ocp"), oh); + + if (oh->class->sysc) { + r = _init_mpu_rt_base(oh, NULL, np); + if (r < 0) { + WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n", + oh->name); + return 0; + } + } r = _init_clocks(oh, NULL); if (r < 0) { @@ -2433,6 +2446,12 @@ static int __init _init(struct omap_hwmod *oh, void *data) return -EINVAL; } + if (np) + if (of_find_property(np, "ti,no-reset-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_RESET; + if (of_find_property(np, "ti,no-idle-on-init", NULL)) + oh->flags |= HWMOD_INIT_NO_IDLE; + oh->_state = _HWMOD_STATE_INITIALIZED; return 0; diff --git a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c index 215894f8910..a166e539411 100644 --- a/arch/arm/mach-omap2/omap_hwmod_33xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_33xx_data.c @@ -52,7 +52,7 @@ static struct omap_hwmod am33xx_emif_hwmod = { .name = "emif", .class = &am33xx_emif_hwmod_class, .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_ddr_m2_div2_ck", .prcm = { .omap4 = { @@ -74,7 +74,7 @@ static struct omap_hwmod am33xx_l3_main_hwmod = { .name = "l3_main", .class = &am33xx_l3_hwmod_class, .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l3_gclk", .prcm = { .omap4 = { @@ -96,7 +96,7 @@ static struct omap_hwmod am33xx_l3_instr_hwmod = { .name = "l3_instr", .class = &am33xx_l3_hwmod_class, .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l3_gclk", .prcm = { .omap4 = { @@ -119,7 +119,7 @@ static struct omap_hwmod am33xx_l4_ls_hwmod = { .name = "l4_ls", .class = &am33xx_l4_hwmod_class, .clkdm_name = "l4ls_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l4ls_gclk", .prcm = { .omap4 = { @@ -134,7 +134,7 @@ static struct omap_hwmod am33xx_l4_hs_hwmod = { .name = "l4_hs", .class = &am33xx_l4_hwmod_class, .clkdm_name = "l4hs_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l4hs_gclk", .prcm = { .omap4 = { @@ -150,7 +150,7 @@ static struct omap_hwmod am33xx_l4_wkup_hwmod = { .name = "l4_wkup", .class = &am33xx_l4_hwmod_class, .clkdm_name = "l4_wkup_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .prcm = { .omap4 = { .clkctrl_offs = AM33XX_CM_WKUP_L4WKUP_CLKCTRL_OFFSET, @@ -170,7 +170,7 @@ static struct omap_hwmod am33xx_mpu_hwmod = { .name = "mpu", .class = &am33xx_mpu_hwmod_class, .clkdm_name = "mpu_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_mpu_m2_ck", .prcm = { .omap4 = { @@ -450,7 +450,7 @@ static struct omap_hwmod am33xx_ocmcram_hwmod = { .name = "ocmcram", .class = &am33xx_ocmcram_hwmod_class, .clkdm_name = "l3_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "l3_gclk", .prcm = { .omap4 = { @@ -532,7 +532,7 @@ static struct omap_hwmod am33xx_control_hwmod = { .name = "control", .class = &am33xx_control_hwmod_class, .clkdm_name = "l4_wkup_clkdm", - .flags = (HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET), + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_m4_div2_ck", .prcm = { .omap4 = { @@ -1278,8 +1278,21 @@ static struct omap_hwmod am33xx_spi1_hwmod = { * spinlock provides hardware assistance for synchronizing the * processes running on multiple processors */ + +static struct omap_hwmod_class_sysconfig am33xx_spinlock_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + static struct omap_hwmod_class am33xx_spinlock_hwmod_class = { .name = "spinlock", + .sysc = &am33xx_spinlock_sysc, }; static struct omap_hwmod am33xx_spinlock_hwmod = { @@ -2480,6 +2493,41 @@ static struct omap_hwmod_ocp_if am33xx_l3_main__aes0 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* rng */ +static struct omap_hwmod_class_sysconfig am33xx_rng_sysc = { + .rev_offs = 0x1fe0, + .sysc_offs = 0x1fe4, + .sysc_flags = SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE, + .idlemodes = SIDLE_FORCE | SIDLE_NO, + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class am33xx_rng_hwmod_class = { + .name = "rng", + .sysc = &am33xx_rng_sysc, +}; + +static struct omap_hwmod am33xx_rng_hwmod = { + .name = "rng", + .class = &am33xx_rng_hwmod_class, + .clkdm_name = "l4ls_clkdm", + .flags = HWMOD_SWSUP_SIDLE, + .main_clk = "rng_fck", + .prcm = { + .omap4 = { + .clkctrl_offs = AM33XX_CM_PER_RNG_CLKCTRL_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +static struct omap_hwmod_ocp_if am33xx_l4_per__rng = { + .master = &am33xx_l4_ls_hwmod, + .slave = &am33xx_rng_hwmod, + .clk = "rng_fck", + .user = OCP_USER_MPU, +}; + static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_l3_main__emif, &am33xx_mpu__l3_main, @@ -2559,6 +2607,7 @@ static struct omap_hwmod_ocp_if *am33xx_hwmod_ocp_ifs[] __initdata = { &am33xx_cpgmac0__mdio, &am33xx_l3_main__sha0, &am33xx_l3_main__aes0, + &am33xx_l4_per__rng, NULL, }; diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index 0c3a427da54..9e56fabd7fa 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -3693,6 +3693,53 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_core__aes = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* + * 'ssi' class + * synchronous serial interface (multichannel and full-duplex serial if) + */ + +static struct omap_hwmod_class_sysconfig omap34xx_ssi_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_EMUFREE | + SYSC_HAS_MIDLEMODE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap34xx_ssi_hwmod_class = { + .name = "ssi", + .sysc = &omap34xx_ssi_sysc, +}; + +static struct omap_hwmod omap34xx_ssi_hwmod = { + .name = "ssi", + .class = &omap34xx_ssi_hwmod_class, + .clkdm_name = "core_l4_clkdm", + .main_clk = "ssi_ssr_fck", + .prcm = { + .omap2 = { + .prcm_reg_id = 1, + .module_bit = OMAP3430_EN_SSI_SHIFT, + .module_offs = CORE_MOD, + .idlest_reg_id = 1, + .idlest_idle_bit = OMAP3430ES2_ST_SSI_IDLE_SHIFT, + }, + }, +}; + +/* L4 CORE -> SSI */ +static struct omap_hwmod_ocp_if omap34xx_l4_core__ssi = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap34xx_ssi_hwmod, + .clk = "ssi_ick", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = { &omap3xxx_l3_main__l4_core, &omap3xxx_l3_main__l4_per, @@ -3818,6 +3865,7 @@ static struct omap_hwmod_ocp_if *omap34xx_hwmod_ocp_ifs[] __initdata = { #ifdef CONFIG_OMAP_IOMMU_IVA2 &omap3xxx_l3_main__mmu_iva, #endif + &omap34xx_l4_core__ssi, NULL }; diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 9c3b504477d..1e5b12cb824 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -914,7 +914,7 @@ static struct omap_hwmod omap44xx_emif1_hwmod = { .name = "emif1", .class = &omap44xx_emif_hwmod_class, .clkdm_name = "l3_emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "ddrphy_ck", .prcm = { .omap4 = { @@ -930,7 +930,7 @@ static struct omap_hwmod omap44xx_emif2_hwmod = { .name = "emif2", .class = &omap44xx_emif_hwmod_class, .clkdm_name = "l3_emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "ddrphy_ck", .prcm = { .omap4 = { @@ -2193,7 +2193,7 @@ static struct omap_hwmod omap44xx_mpu_hwmod = { .name = "mpu", .class = &omap44xx_mpu_hwmod_class, .clkdm_name = "mpuss_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_mpu_m2_ck", .prcm = { .omap4 = { diff --git a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c index cde415570e0..9e08d6994a0 100644 --- a/arch/arm/mach-omap2/omap_hwmod_54xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_54xx_data.c @@ -352,7 +352,7 @@ static struct omap_hwmod omap54xx_emif1_hwmod = { .name = "emif1", .class = &omap54xx_emif_hwmod_class, .clkdm_name = "emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_h11x2_ck", .prcm = { .omap4 = { @@ -368,7 +368,7 @@ static struct omap_hwmod omap54xx_emif2_hwmod = { .name = "emif2", .class = &omap54xx_emif_hwmod_class, .clkdm_name = "emif_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_core_h11x2_ck", .prcm = { .omap4 = { @@ -1135,7 +1135,7 @@ static struct omap_hwmod omap54xx_mpu_hwmod = { .name = "mpu", .class = &omap54xx_mpu_hwmod_class, .clkdm_name = "mpu_clkdm", - .flags = HWMOD_INIT_NO_IDLE | HWMOD_INIT_NO_RESET, + .flags = HWMOD_INIT_NO_IDLE, .main_clk = "dpll_mpu_m2_ck", .prcm = { .omap4 = { @@ -1146,6 +1146,77 @@ static struct omap_hwmod omap54xx_mpu_hwmod = { }; /* + * 'spinlock' class + * spinlock provides hardware assistance for synchronizing the processes + * running on multiple processors + */ + +static struct omap_hwmod_class_sysconfig omap54xx_spinlock_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_spinlock_hwmod_class = { + .name = "spinlock", + .sysc = &omap54xx_spinlock_sysc, +}; + +/* spinlock */ +static struct omap_hwmod omap54xx_spinlock_hwmod = { + .name = "spinlock", + .class = &omap54xx_spinlock_hwmod_class, + .clkdm_name = "l4cfg_clkdm", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L4CFG_SPINLOCK_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L4CFG_SPINLOCK_CONTEXT_OFFSET, + }, + }, +}; + +/* + * 'ocp2scp' class + * bridge to transform ocp interface protocol to scp (serial control port) + * protocol + */ + +static struct omap_hwmod_class_sysconfig omap54xx_ocp2scp_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_ocp2scp_hwmod_class = { + .name = "ocp2scp", + .sysc = &omap54xx_ocp2scp_sysc, +}; + +/* ocp2scp1 */ +static struct omap_hwmod omap54xx_ocp2scp1_hwmod = { + .name = "ocp2scp1", + .class = &omap54xx_ocp2scp_hwmod_class, + .clkdm_name = "l3init_clkdm", + .main_clk = "l4_root_clk_div", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_OCP2SCP1_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_OCP2SCP1_CONTEXT_OFFSET, + .modulemode = MODULEMODE_HWCTRL, + }, + }, +}; + +/* * 'timer' class * general purpose timer module with accurate 1ms tick * This class contains several variants: ['timer_1ms', 'timer'] @@ -1465,6 +1536,123 @@ static struct omap_hwmod omap54xx_uart6_hwmod = { }; /* + * 'usb_host_hs' class + * high-speed multi-port usb host controller + */ + +static struct omap_hwmod_class_sysconfig omap54xx_usb_host_hs_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .sysc_flags = (SYSC_HAS_MIDLEMODE | SYSC_HAS_RESET_STATUS | + SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART | + SIDLE_SMART_WKUP | MSTANDBY_FORCE | MSTANDBY_NO | + MSTANDBY_SMART | MSTANDBY_SMART_WKUP), + .sysc_fields = &omap_hwmod_sysc_type2, +}; + +static struct omap_hwmod_class omap54xx_usb_host_hs_hwmod_class = { + .name = "usb_host_hs", + .sysc = &omap54xx_usb_host_hs_sysc, +}; + +static struct omap_hwmod omap54xx_usb_host_hs_hwmod = { + .name = "usb_host_hs", + .class = &omap54xx_usb_host_hs_hwmod_class, + .clkdm_name = "l3init_clkdm", + /* + * Errata: USBHOST Configured In Smart-Idle Can Lead To a Deadlock + * id: i660 + * + * Description: + * In the following configuration : + * - USBHOST module is set to smart-idle mode + * - PRCM asserts idle_req to the USBHOST module ( This typically + * happens when the system is going to a low power mode : all ports + * have been suspended, the master part of the USBHOST module has + * entered the standby state, and SW has cut the functional clocks) + * - an USBHOST interrupt occurs before the module is able to answer + * idle_ack, typically a remote wakeup IRQ. + * Then the USB HOST module will enter a deadlock situation where it + * is no more accessible nor functional. + * + * Workaround: + * Don't use smart idle; use only force idle, hence HWMOD_SWSUP_SIDLE + */ + + /* + * Errata: USB host EHCI may stall when entering smart-standby mode + * Id: i571 + * + * Description: + * When the USBHOST module is set to smart-standby mode, and when it is + * ready to enter the standby state (i.e. all ports are suspended and + * all attached devices are in suspend mode), then it can wrongly assert + * the Mstandby signal too early while there are still some residual OCP + * transactions ongoing. If this condition occurs, the internal state + * machine may go to an undefined state and the USB link may be stuck + * upon the next resume. + * + * Workaround: + * Don't use smart standby; use only force standby, + * hence HWMOD_SWSUP_MSTANDBY + */ + + /* + * During system boot; If the hwmod framework resets the module + * the module will have smart idle settings; which can lead to deadlock + * (above Errata Id:i660); so, dont reset the module during boot; + * Use HWMOD_INIT_NO_RESET. + */ + + .flags = HWMOD_SWSUP_SIDLE | HWMOD_SWSUP_MSTANDBY | + HWMOD_INIT_NO_RESET, + .main_clk = "l3init_60m_fclk", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_USB_HOST_HS_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_USB_HOST_HS_CONTEXT_OFFSET, + .modulemode = MODULEMODE_SWCTRL, + }, + }, +}; + +/* + * 'usb_tll_hs' class + * usb_tll_hs module is the adapter on the usb_host_hs ports + */ + +static struct omap_hwmod_class_sysconfig omap54xx_usb_tll_hs_sysc = { + .rev_offs = 0x0000, + .sysc_offs = 0x0010, + .syss_offs = 0x0014, + .sysc_flags = (SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY | + SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap54xx_usb_tll_hs_hwmod_class = { + .name = "usb_tll_hs", + .sysc = &omap54xx_usb_tll_hs_sysc, +}; + +static struct omap_hwmod omap54xx_usb_tll_hs_hwmod = { + .name = "usb_tll_hs", + .class = &omap54xx_usb_tll_hs_hwmod_class, + .clkdm_name = "l3init_clkdm", + .main_clk = "l4_root_clk_div", + .prcm = { + .omap4 = { + .clkctrl_offs = OMAP54XX_CM_L3INIT_USB_TLL_HS_CLKCTRL_OFFSET, + .context_offs = OMAP54XX_RM_L3INIT_USB_TLL_HS_CONTEXT_OFFSET, + .modulemode = MODULEMODE_HWCTRL, + }, + }, +}; + +/* * 'usb_otg_ss' class * 2.0 super speed (usb_otg_ss) controller */ @@ -1960,6 +2148,22 @@ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__mpu = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* l4_cfg -> spinlock */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__spinlock = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_spinlock_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_cfg -> ocp2scp1 */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__ocp2scp1 = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_ocp2scp1_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_wkup -> timer1 */ static struct omap_hwmod_ocp_if omap54xx_l4_wkup__timer1 = { .master = &omap54xx_l4_wkup_hwmod, @@ -2096,6 +2300,22 @@ static struct omap_hwmod_ocp_if omap54xx_l4_per__uart6 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* l4_cfg -> usb_host_hs */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_host_hs = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_usb_host_hs_hwmod, + .clk = "l3_iclk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* l4_cfg -> usb_tll_hs */ +static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_tll_hs = { + .master = &omap54xx_l4_cfg_hwmod, + .slave = &omap54xx_usb_tll_hs_hwmod, + .clk = "l4_root_clk_div", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + /* l4_cfg -> usb_otg_ss */ static struct omap_hwmod_ocp_if omap54xx_l4_cfg__usb_otg_ss = { .master = &omap54xx_l4_cfg_hwmod, @@ -2163,6 +2383,8 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = { &omap54xx_l4_per__mmc4, &omap54xx_l4_per__mmc5, &omap54xx_l4_cfg__mpu, + &omap54xx_l4_cfg__spinlock, + &omap54xx_l4_cfg__ocp2scp1, &omap54xx_l4_wkup__timer1, &omap54xx_l4_per__timer2, &omap54xx_l4_per__timer3, @@ -2180,6 +2402,8 @@ static struct omap_hwmod_ocp_if *omap54xx_hwmod_ocp_ifs[] __initdata = { &omap54xx_l4_per__uart4, &omap54xx_l4_per__uart5, &omap54xx_l4_per__uart6, + &omap54xx_l4_cfg__usb_host_hs, + &omap54xx_l4_cfg__usb_tll_hs, &omap54xx_l4_cfg__usb_otg_ss, &omap54xx_l4_wkup__wd_timer2, NULL, diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 31d0c910127..645a8fe55f8 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -12,7 +12,7 @@ obj- := # Core -obj-y += common.o clock.o +obj-y += common.o # Core support diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c deleted file mode 100644 index c1bcc4a6d3a..00000000000 --- a/arch/arm/mach-s3c64xx/clock.c +++ /dev/null @@ -1,1007 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/clock.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX Base clock support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/clk.h> -#include <linux/err.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/map.h> - -#include <mach/regs-clock.h> - -#include <plat/cpu.h> -#include <plat/devs.h> -#include <plat/cpu-freq.h> -#include <plat/clock.h> -#include <plat/clock-clksrc.h> -#include <plat/pll.h> - -#include "regs-sys.h" - -/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call - * ext_xtal_mux for want of an actual name from the manual. -*/ - -static struct clk clk_ext_xtal_mux = { - .name = "ext_xtal", -}; - -#define clk_fin_apll clk_ext_xtal_mux -#define clk_fin_mpll clk_ext_xtal_mux -#define clk_fin_epll clk_ext_xtal_mux - -#define clk_fout_mpll clk_mpll -#define clk_fout_epll clk_epll - -struct clk clk_h2 = { - .name = "hclk2", - .rate = 0, -}; - -struct clk clk_27m = { - .name = "clk_27m", - .rate = 27000000, -}; - -static int clk_48m_ctrl(struct clk *clk, int enable) -{ - unsigned long flags; - u32 val; - - /* can't rely on clock lock, this register has other usages */ - local_irq_save(flags); - - val = __raw_readl(S3C64XX_OTHERS); - if (enable) - val |= S3C64XX_OTHERS_USBMASK; - else - val &= ~S3C64XX_OTHERS_USBMASK; - - __raw_writel(val, S3C64XX_OTHERS); - local_irq_restore(flags); - - return 0; -} - -struct clk clk_48m = { - .name = "clk_48m", - .rate = 48000000, - .enable = clk_48m_ctrl, -}; - -struct clk clk_xusbxti = { - .name = "xusbxti", - .rate = 48000000, -}; - -static int inline s3c64xx_gate(void __iomem *reg, - struct clk *clk, - int enable) -{ - unsigned int ctrlbit = clk->ctrlbit; - u32 con; - - con = __raw_readl(reg); - - if (enable) - con |= ctrlbit; - else - con &= ~ctrlbit; - - __raw_writel(con, reg); - return 0; -} - -static int s3c64xx_pclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_PCLK_GATE, clk, enable); -} - -static int s3c64xx_hclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_HCLK_GATE, clk, enable); -} - -int s3c64xx_sclk_ctrl(struct clk *clk, int enable) -{ - return s3c64xx_gate(S3C_SCLK_GATE, clk, enable); -} - -static struct clk init_clocks_off[] = { - { - .name = "nand", - .parent = &clk_h, - }, { - .name = "rtc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_RTC, - }, { - .name = "adc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_TSADC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIC, - }, { - .name = "i2c", - .devname = "s3c2440-i2c.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_I2C1, - }, { - .name = "keypad", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_KEYPAD, - }, { - .name = "spi", - .devname = "s3c6410-spi.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI0, - }, { - .name = "spi", - .devname = "s3c6410-spi.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_SPI1, - }, { - .name = "48m", - .devname = "s3c-sdhci.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC0_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC1_48, - }, { - .name = "48m", - .devname = "s3c-sdhci.2", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MMC2_48, - }, { - .name = "ac97", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_AC97, - }, { - .name = "cfcon", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_IHOST, - }, { - .name = "dma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA0, - }, { - .name = "dma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_DMA1, - }, { - .name = "3dse", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_3DSE, - }, { - .name = "hclk_secur", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SECUR, - }, { - .name = "sdma1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA1, - }, { - .name = "sdma0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SDMA0, - }, { - .name = "hclk_jpeg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_JPEG, - }, { - .name = "camif", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_CAMIF, - }, { - .name = "hclk_scaler", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_SCALER, - }, { - .name = "2d", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_2D, - }, { - .name = "tv", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_TV, - }, { - .name = "post0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_POST0, - }, { - .name = "rot", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_ROT, - }, { - .name = "hclk_mfc", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_MFC, - }, { - .name = "pclk_mfc", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_MFC, - }, { - .name = "dac27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_DAC27, - }, { - .name = "tv27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_TV27, - }, { - .name = "scaler27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER27, - }, { - .name = "sclk_scaler", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SCALER, - }, { - .name = "post0_27", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_POST0_27, - }, { - .name = "secur", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SECUR, - }, { - .name = "sclk_mfc", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_MFC, - }, { - .name = "sclk_jpeg", - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_JPEG, - }, -}; - -static struct clk clk_48m_spi0 = { - .name = "spi_48m", - .devname = "s3c6410-spi.0", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI0_48, -}; - -static struct clk clk_48m_spi1 = { - .name = "spi_48m", - .devname = "s3c6410-spi.1", - .parent = &clk_48m, - .enable = s3c64xx_sclk_ctrl, - .ctrlbit = S3C_CLKCON_SCLK_SPI1_48, -}; - -static struct clk clk_i2s0 = { - .name = "iis", - .devname = "samsung-i2s.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS0, -}; - -static struct clk clk_i2s1 = { - .name = "iis", - .devname = "samsung-i2s.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_IIS1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk clk_i2s2 = { - .name = "iis", - .devname = "samsung-i2s.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C6410_CLKCON_PCLK_IIS2, -}; -#endif - -static struct clk init_clocks[] = { - { - .name = "lcd", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_LCD, - }, { - .name = "gpio", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_GPIO, - }, { - .name = "usb-host", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_UHOST, - }, { - .name = "otg", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_USB, - }, { - .name = "timers", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_PWM, - }, { - .name = "uart", - .devname = "s3c6400-uart.0", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART0, - }, { - .name = "uart", - .devname = "s3c6400-uart.1", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART1, - }, { - .name = "uart", - .devname = "s3c6400-uart.2", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART2, - }, { - .name = "uart", - .devname = "s3c6400-uart.3", - .parent = &clk_p, - .enable = s3c64xx_pclk_ctrl, - .ctrlbit = S3C_CLKCON_PCLK_UART3, - }, { - .name = "watchdog", - .parent = &clk_p, - .ctrlbit = S3C_CLKCON_PCLK_WDT, - }, -}; - -static struct clk clk_hsmmc0 = { - .name = "hsmmc", - .devname = "s3c-sdhci.0", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC0, -}; - -static struct clk clk_hsmmc1 = { - .name = "hsmmc", - .devname = "s3c-sdhci.1", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC1, -}; - -static struct clk clk_hsmmc2 = { - .name = "hsmmc", - .devname = "s3c-sdhci.2", - .parent = &clk_h, - .enable = s3c64xx_hclk_ctrl, - .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, -}; - -static struct clk clk_fout_apll = { - .name = "fout_apll", -}; - -static struct clk *clk_src_apll_list[] = { - [0] = &clk_fin_apll, - [1] = &clk_fout_apll, -}; - -static struct clksrc_sources clk_src_apll = { - .sources = clk_src_apll_list, - .nr_sources = ARRAY_SIZE(clk_src_apll_list), -}; - -static struct clksrc_clk clk_mout_apll = { - .clk = { - .name = "mout_apll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 0, .size = 1 }, - .sources = &clk_src_apll, -}; - -static struct clk *clk_src_epll_list[] = { - [0] = &clk_fin_epll, - [1] = &clk_fout_epll, -}; - -static struct clksrc_sources clk_src_epll = { - .sources = clk_src_epll_list, - .nr_sources = ARRAY_SIZE(clk_src_epll_list), -}; - -static struct clksrc_clk clk_mout_epll = { - .clk = { - .name = "mout_epll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 2, .size = 1 }, - .sources = &clk_src_epll, -}; - -static struct clk *clk_src_mpll_list[] = { - [0] = &clk_fin_mpll, - [1] = &clk_fout_mpll, -}; - -static struct clksrc_sources clk_src_mpll = { - .sources = clk_src_mpll_list, - .nr_sources = ARRAY_SIZE(clk_src_mpll_list), -}; - -static struct clksrc_clk clk_mout_mpll = { - .clk = { - .name = "mout_mpll", - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 1, .size = 1 }, - .sources = &clk_src_mpll, -}; - -static unsigned int armclk_mask; - -static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - u32 clkdiv; - - /* divisor mask starts at bit0, so no need to shift */ - clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask; - - return rate / (clkdiv + 1); -} - -static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk, - unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - - if (parent < rate) - return parent; - - div = (parent / rate) - 1; - if (div > armclk_mask) - div = armclk_mask; - - return parent / (div + 1); -} - -static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate) -{ - unsigned long parent = clk_get_rate(clk->parent); - u32 div; - u32 val; - - if (rate < parent / (armclk_mask + 1)) - return -EINVAL; - - rate = clk_round_rate(clk, rate); - div = clk_get_rate(clk->parent) / rate; - - val = __raw_readl(S3C_CLK_DIV0); - val &= ~armclk_mask; - val |= (div - 1); - __raw_writel(val, S3C_CLK_DIV0); - - return 0; - -} - -static struct clk clk_arm = { - .name = "armclk", - .parent = &clk_mout_apll.clk, - .ops = &(struct clk_ops) { - .get_rate = s3c64xx_clk_arm_get_rate, - .set_rate = s3c64xx_clk_arm_set_rate, - .round_rate = s3c64xx_clk_arm_round_rate, - }, -}; - -static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk) -{ - unsigned long rate = clk_get_rate(clk->parent); - - printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate); - - if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK) - rate /= 2; - - return rate; -} - -static struct clk_ops clk_dout_ops = { - .get_rate = s3c64xx_clk_doutmpll_get_rate, -}; - -static struct clk clk_dout_mpll = { - .name = "dout_mpll", - .parent = &clk_mout_mpll.clk, - .ops = &clk_dout_ops, -}; - -static struct clk *clkset_spi_mmc_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, - &clk_27m, -}; - -static struct clksrc_sources clkset_spi_mmc = { - .sources = clkset_spi_mmc_list, - .nr_sources = ARRAY_SIZE(clkset_spi_mmc_list), -}; - -static struct clk *clkset_irda_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - &clk_27m, -}; - -static struct clksrc_sources clkset_irda = { - .sources = clkset_irda_list, - .nr_sources = ARRAY_SIZE(clkset_irda_list), -}; - -static struct clk *clkset_uart_list[] = { - &clk_mout_epll.clk, - &clk_dout_mpll, - NULL, - NULL -}; - -static struct clksrc_sources clkset_uart = { - .sources = clkset_uart_list, - .nr_sources = ARRAY_SIZE(clkset_uart_list), -}; - -static struct clk *clkset_uhost_list[] = { - &clk_48m, - &clk_mout_epll.clk, - &clk_dout_mpll, - &clk_fin_epll, -}; - -static struct clksrc_sources clkset_uhost = { - .sources = clkset_uhost_list, - .nr_sources = ARRAY_SIZE(clkset_uhost_list), -}; - -/* The peripheral clocks are all controlled via clocksource followed - * by an optional divider and gate stage. We currently roll this into - * one clock which hides the intermediate clock from the mux. - * - * Note, the JPEG clock can only be an even divider... - * - * The scaler and LCD clocks depend on the S3C64XX version, and also - * have a common parent divisor so are not included here. - */ - -/* clocks that feed other parts of the clock source tree */ - -static struct clk clk_iis_cd0 = { - .name = "iis_cdclk0", -}; - -static struct clk clk_iis_cd1 = { - .name = "iis_cdclk1", -}; - -static struct clk clk_iisv4_cd = { - .name = "iis_cdclk_v4", -}; - -static struct clk clk_pcm_cd = { - .name = "pcm_cdclk", -}; - -static struct clk *clkset_audio0_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd0, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio0 = { - .sources = clkset_audio0_list, - .nr_sources = ARRAY_SIZE(clkset_audio0_list), -}; - -static struct clk *clkset_audio1_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iis_cd1, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio1 = { - .sources = clkset_audio1_list, - .nr_sources = ARRAY_SIZE(clkset_audio1_list), -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clk *clkset_audio2_list[] = { - [0] = &clk_mout_epll.clk, - [1] = &clk_dout_mpll, - [2] = &clk_fin_epll, - [3] = &clk_iisv4_cd, - [4] = &clk_pcm_cd, -}; - -static struct clksrc_sources clkset_audio2 = { - .sources = clkset_audio2_list, - .nr_sources = ARRAY_SIZE(clkset_audio2_list), -}; -#endif - -static struct clksrc_clk clksrcs[] = { - { - .clk = { - .name = "usb-bus-host", - .ctrlbit = S3C_CLKCON_SCLK_UHOST, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 5, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4 }, - .sources = &clkset_uhost, - }, { - .clk = { - .name = "irda-bus", - .ctrlbit = S3C_CLKCON_SCLK_IRDA, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 24, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4 }, - .sources = &clkset_irda, - }, { - .clk = { - .name = "camera", - .ctrlbit = S3C_CLKCON_SCLK_CAM, - .enable = s3c64xx_sclk_ctrl, - .parent = &clk_h2, - }, - .reg_div = { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4 }, - }, -}; - -/* Where does UCLK0 come from? */ -static struct clksrc_clk clk_sclk_uclk = { - .clk = { - .name = "uclk1", - .ctrlbit = S3C_CLKCON_SCLK_UART, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 }, - .sources = &clkset_uart, -}; - -static struct clksrc_clk clk_sclk_mmc0 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.0", - .ctrlbit = S3C_CLKCON_SCLK_MMC0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 18, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc1 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.1", - .ctrlbit = S3C_CLKCON_SCLK_MMC1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 20, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_mmc2 = { - .clk = { - .name = "mmc_bus", - .devname = "s3c-sdhci.2", - .ctrlbit = S3C_CLKCON_SCLK_MMC2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 22, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi0 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.0", - .ctrlbit = S3C_CLKCON_SCLK_SPI0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 14, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_sclk_spi1 = { - .clk = { - .name = "spi-bus", - .devname = "s3c6410-spi.1", - .ctrlbit = S3C_CLKCON_SCLK_SPI1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 16, .size = 2 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4 }, - .sources = &clkset_spi_mmc, -}; - -static struct clksrc_clk clk_audio_bus0 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.0", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO0, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 7, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4 }, - .sources = &clkset_audio0, -}; - -static struct clksrc_clk clk_audio_bus1 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.1", - .ctrlbit = S3C_CLKCON_SCLK_AUDIO1, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C_CLK_SRC, .shift = 10, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4 }, - .sources = &clkset_audio1, -}; - -#ifdef CONFIG_CPU_S3C6410 -static struct clksrc_clk clk_audio_bus2 = { - .clk = { - .name = "audio-bus", - .devname = "samsung-i2s.2", - .ctrlbit = S3C6410_CLKCON_SCLK_AUDIO2, - .enable = s3c64xx_sclk_ctrl, - }, - .reg_src = { .reg = S3C6410_CLK_SRC2, .shift = 0, .size = 3 }, - .reg_div = { .reg = S3C_CLK_DIV2, .shift = 24, .size = 4 }, - .sources = &clkset_audio2, -}; -#endif -/* Clock initialisation code */ - -static struct clksrc_clk *init_parents[] = { - &clk_mout_apll, - &clk_mout_epll, - &clk_mout_mpll, -}; - -static struct clksrc_clk *clksrc_cdev[] = { - &clk_sclk_uclk, - &clk_sclk_mmc0, - &clk_sclk_mmc1, - &clk_sclk_mmc2, - &clk_sclk_spi0, - &clk_sclk_spi1, - &clk_audio_bus0, - &clk_audio_bus1, -}; - -static struct clk *clk_cdev[] = { - &clk_hsmmc0, - &clk_hsmmc1, - &clk_hsmmc2, - &clk_48m_spi0, - &clk_48m_spi1, - &clk_i2s0, - &clk_i2s1, -}; - -static struct clk_lookup s3c64xx_clk_lookup[] = { - CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p), - CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_sclk_uclk.clk), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &clk_hsmmc0), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &clk_hsmmc1), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.0", &clk_hsmmc2), - CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), - CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), - CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), - CLKDEV_INIT(NULL, "spi_busclk0", &clk_p), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk1", &clk_sclk_spi0.clk), - CLKDEV_INIT("s3c6410-spi.0", "spi_busclk2", &clk_48m_spi0), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk1", &clk_sclk_spi1.clk), - CLKDEV_INIT("s3c6410-spi.1", "spi_busclk2", &clk_48m_spi1), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk0", &clk_i2s0), - CLKDEV_INIT("samsung-i2s.0", "i2s_opclk1", &clk_audio_bus0.clk), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk0", &clk_i2s1), - CLKDEV_INIT("samsung-i2s.1", "i2s_opclk1", &clk_audio_bus1.clk), -#ifdef CONFIG_CPU_S3C6410 - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk0", &clk_i2s2), - CLKDEV_INIT("samsung-i2s.2", "i2s_opclk1", &clk_audio_bus2.clk), -#endif -}; - -#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1) - -void __init_or_cpufreq s3c64xx_setup_clocks(void) -{ - struct clk *xtal_clk; - unsigned long xtal; - unsigned long fclk; - unsigned long hclk; - unsigned long hclk2; - unsigned long pclk; - unsigned long epll; - unsigned long apll; - unsigned long mpll; - unsigned int ptr; - u32 clkdiv0; - - printk(KERN_DEBUG "%s: registering clocks\n", __func__); - - clkdiv0 = __raw_readl(S3C_CLK_DIV0); - printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0); - - xtal_clk = clk_get(NULL, "xtal"); - BUG_ON(IS_ERR(xtal_clk)); - - xtal = clk_get_rate(xtal_clk); - clk_put(xtal_clk); - - printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - - /* For now assume the mux always selects the crystal */ - clk_ext_xtal_mux.parent = xtal_clk; - - epll = s3c_get_pll6553x(xtal, __raw_readl(S3C_EPLL_CON0), - __raw_readl(S3C_EPLL_CON1)); - mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON)); - apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON)); - - fclk = mpll; - - printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", - apll, mpll, epll); - - if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL) - /* Synchronous mode */ - hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - else - /* Asynchronous mode */ - hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); - - hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); - pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); - - printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n", - hclk2, hclk, pclk); - - clk_fout_mpll.rate = mpll; - clk_fout_epll.rate = epll; - clk_fout_apll.rate = apll; - - clk_h2.rate = hclk2; - clk_h.rate = hclk; - clk_p.rate = pclk; - clk_f.rate = fclk; - - for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++) - s3c_set_clksrc(init_parents[ptr], true); - - for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) - s3c_set_clksrc(&clksrcs[ptr], true); -} - -static struct clk *clks1[] __initdata = { - &clk_ext_xtal_mux, - &clk_iis_cd0, - &clk_iis_cd1, - &clk_iisv4_cd, - &clk_pcm_cd, - &clk_mout_epll.clk, - &clk_mout_mpll.clk, - &clk_dout_mpll, - &clk_arm, -}; - -static struct clk *clks[] __initdata = { - &clk_ext, - &clk_epll, - &clk_27m, - &clk_48m, - &clk_h2, - &clk_xusbxti, -}; - -/** - * s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410 - * @xtal: The rate for the clock crystal feeding the PLLs. - * @armclk_divlimit: Divisor mask for ARMCLK. - * - * Register the clocks for the S3C6400 and S3C6410 SoC range, such - * as ARMCLK as well as the necessary parent clocks. - * - * This call does not setup the clocks, which is left to the - * s3c64xx_setup_clocks() call which may be needed by the cpufreq - * or resume code to re-set the clocks if the bootloader has changed - * them. - */ -void __init s3c64xx_register_clocks(unsigned long xtal, - unsigned armclk_divlimit) -{ - unsigned int cnt; - - armclk_mask = armclk_divlimit; - - s3c24xx_register_baseclocks(xtal); - s3c24xx_register_clocks(clks, ARRAY_SIZE(clks)); - - s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); - - s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); - - s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); - for (cnt = 0; cnt < ARRAY_SIZE(clk_cdev); cnt++) - s3c_disable_clocks(clk_cdev[cnt], 1); - - s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1)); - s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); - for (cnt = 0; cnt < ARRAY_SIZE(clksrc_cdev); cnt++) - s3c_register_clksrc(clksrc_cdev[cnt], 1); - clkdev_add_table(s3c64xx_clk_lookup, ARRAY_SIZE(s3c64xx_clk_lookup)); -} diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c index 73d79cf5e14..7d3cb58f185 100644 --- a/arch/arm/mach-s3c64xx/common.c +++ b/arch/arm/mach-s3c64xx/common.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> +#include <linux/clk-provider.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/serial_core.h> @@ -38,7 +39,6 @@ #include <mach/regs-gpio.h> #include <plat/cpu.h> -#include <plat/clock.h> #include <plat/devs.h> #include <plat/pm.h> #include <plat/gpio-cfg.h> @@ -50,6 +50,19 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xtal_f = 12000000, xusbxti_f = 48000000; + +void __init s3c64xx_set_xtal_freq(unsigned long freq) +{ + xtal_f = freq; +} + +void __init s3c64xx_set_xusbxti_freq(unsigned long freq) +{ + xusbxti_f = freq; +} + /* uart registration process */ static void __init s3c64xx_init_uarts(struct s3c2410_uartcfg *cfg, int no) @@ -67,7 +80,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6400_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6400_map_io, - .init_clocks = s3c6400_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6400_init, .name = name_s3c6400, @@ -75,7 +87,6 @@ static struct cpu_table cpu_ids[] __initdata = { .idcode = S3C6410_CPU_ID, .idmask = S3C64XX_CPU_MASK, .map_io = s3c6410_map_io, - .init_clocks = s3c6410_init_clocks, .init_uarts = s3c64xx_init_uarts, .init = s3c6410_init, .name = name_s3c6410, @@ -213,8 +224,10 @@ void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid) { /* * FIXME: there is no better place to put this at the moment - * (samsung_wdt_reset_init needs clocks) + * (s3c64xx_clk_init needs ioremap and must happen before init_time + * samsung_wdt_reset_init needs clocks) */ + s3c64xx_clk_init(NULL, xtal_f, xusbxti_f, soc_is_s3c6400(), S3C_VA_SYS); samsung_wdt_reset_init(S3C_VA_WATCHDOG); printk(KERN_DEBUG "%s: initialising interrupts\n", __func__); diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h index e8f990b3766..bd3bd562011 100644 --- a/arch/arm/mach-s3c64xx/common.h +++ b/arch/arm/mach-s3c64xx/common.h @@ -22,21 +22,21 @@ void s3c64xx_init_irq(u32 vic0, u32 vic1); void s3c64xx_init_io(struct map_desc *mach_desc, int size); -void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit); -void s3c64xx_setup_clocks(void); - void s3c64xx_restart(enum reboot_mode mode, const char *cmd); void s3c64xx_init_late(void); +void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f, + unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base); +void s3c64xx_set_xtal_freq(unsigned long freq); +void s3c64xx_set_xusbxti_freq(unsigned long freq); + #ifdef CONFIG_CPU_S3C6400 extern int s3c6400_init(void); extern void s3c6400_init_irq(void); extern void s3c6400_map_io(void); -extern void s3c6400_init_clocks(int xtal); #else -#define s3c6400_init_clocks NULL #define s3c6400_map_io NULL #define s3c6400_init NULL #endif @@ -46,10 +46,8 @@ extern void s3c6400_init_clocks(int xtal); extern int s3c6410_init(void); extern void s3c6410_init_irq(void); extern void s3c6410_map_io(void); -extern void s3c6410_init_clocks(int xtal); #else -#define s3c6410_init_clocks NULL #define s3c6410_map_io NULL #define s3c6410_init NULL #endif diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 759846c28d1..c511dfaae14 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -677,7 +677,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, goto err_map; } - clk_enable(dmac->clk); + clk_prepare_enable(dmac->clk); dmac->regs = regs; dmac->chanbase = chbase; @@ -711,7 +711,7 @@ static int s3c64xx_dma_init1(int chno, enum dma_ch chbase, return 0; err_clk: - clk_disable(dmac->clk); + clk_disable_unprepare(dmac->clk); clk_put(dmac->clk); err_map: iounmap(regs); diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h index 05332b998ec..4f44aac7709 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-clock.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h @@ -15,145 +15,21 @@ #ifndef __PLAT_REGS_CLOCK_H #define __PLAT_REGS_CLOCK_H __FILE__ +/* + * FIXME: Remove remaining definitions + */ + #define S3C_CLKREG(x) (S3C_VA_SYS + (x)) -#define S3C_APLL_LOCK S3C_CLKREG(0x00) -#define S3C_MPLL_LOCK S3C_CLKREG(0x04) -#define S3C_EPLL_LOCK S3C_CLKREG(0x08) -#define S3C_APLL_CON S3C_CLKREG(0x0C) -#define S3C_MPLL_CON S3C_CLKREG(0x10) -#define S3C_EPLL_CON0 S3C_CLKREG(0x14) -#define S3C_EPLL_CON1 S3C_CLKREG(0x18) -#define S3C_CLK_SRC S3C_CLKREG(0x1C) -#define S3C_CLK_DIV0 S3C_CLKREG(0x20) -#define S3C_CLK_DIV1 S3C_CLKREG(0x24) -#define S3C_CLK_DIV2 S3C_CLKREG(0x28) -#define S3C_CLK_OUT S3C_CLKREG(0x2C) -#define S3C_HCLK_GATE S3C_CLKREG(0x30) #define S3C_PCLK_GATE S3C_CLKREG(0x34) -#define S3C_SCLK_GATE S3C_CLKREG(0x38) -#define S3C_MEM0_GATE S3C_CLKREG(0x3C) #define S3C6410_CLK_SRC2 S3C_CLKREG(0x10C) #define S3C_MEM_SYS_CFG S3C_CLKREG(0x120) -/* CLKDIV0 */ -#define S3C6400_CLKDIV0_PCLK_MASK (0xf << 12) -#define S3C6400_CLKDIV0_PCLK_SHIFT (12) -#define S3C6400_CLKDIV0_HCLK2_MASK (0x7 << 9) -#define S3C6400_CLKDIV0_HCLK2_SHIFT (9) -#define S3C6400_CLKDIV0_HCLK_MASK (0x1 << 8) -#define S3C6400_CLKDIV0_HCLK_SHIFT (8) -#define S3C6400_CLKDIV0_MPLL_MASK (0x1 << 4) -#define S3C6400_CLKDIV0_MPLL_SHIFT (4) - -#define S3C6400_CLKDIV0_ARM_MASK (0x7 << 0) -#define S3C6410_CLKDIV0_ARM_MASK (0xf << 0) -#define S3C6400_CLKDIV0_ARM_SHIFT (0) - -/* HCLK GATE Registers */ -#define S3C_CLKCON_HCLK_3DSE (1<<31) -#define S3C_CLKCON_HCLK_UHOST (1<<29) -#define S3C_CLKCON_HCLK_SECUR (1<<28) -#define S3C_CLKCON_HCLK_SDMA1 (1<<27) -#define S3C_CLKCON_HCLK_SDMA0 (1<<26) -#define S3C_CLKCON_HCLK_IROM (1<<25) -#define S3C_CLKCON_HCLK_DDR1 (1<<24) -#define S3C_CLKCON_HCLK_DDR0 (1<<23) -#define S3C_CLKCON_HCLK_MEM1 (1<<22) -#define S3C_CLKCON_HCLK_MEM0 (1<<21) -#define S3C_CLKCON_HCLK_USB (1<<20) -#define S3C_CLKCON_HCLK_HSMMC2 (1<<19) -#define S3C_CLKCON_HCLK_HSMMC1 (1<<18) -#define S3C_CLKCON_HCLK_HSMMC0 (1<<17) -#define S3C_CLKCON_HCLK_MDP (1<<16) -#define S3C_CLKCON_HCLK_DHOST (1<<15) -#define S3C_CLKCON_HCLK_IHOST (1<<14) -#define S3C_CLKCON_HCLK_DMA1 (1<<13) -#define S3C_CLKCON_HCLK_DMA0 (1<<12) -#define S3C_CLKCON_HCLK_JPEG (1<<11) -#define S3C_CLKCON_HCLK_CAMIF (1<<10) -#define S3C_CLKCON_HCLK_SCALER (1<<9) -#define S3C_CLKCON_HCLK_2D (1<<8) -#define S3C_CLKCON_HCLK_TV (1<<7) -#define S3C_CLKCON_HCLK_POST0 (1<<5) -#define S3C_CLKCON_HCLK_ROT (1<<4) -#define S3C_CLKCON_HCLK_LCD (1<<3) -#define S3C_CLKCON_HCLK_TZIC (1<<2) -#define S3C_CLKCON_HCLK_INTC (1<<1) -#define S3C_CLKCON_HCLK_MFC (1<<0) - /* PCLK GATE Registers */ -#define S3C6410_CLKCON_PCLK_I2C1 (1<<27) -#define S3C6410_CLKCON_PCLK_IIS2 (1<<26) -#define S3C_CLKCON_PCLK_SKEY (1<<24) -#define S3C_CLKCON_PCLK_CHIPID (1<<23) -#define S3C_CLKCON_PCLK_SPI1 (1<<22) -#define S3C_CLKCON_PCLK_SPI0 (1<<21) -#define S3C_CLKCON_PCLK_HSIRX (1<<20) -#define S3C_CLKCON_PCLK_HSITX (1<<19) -#define S3C_CLKCON_PCLK_GPIO (1<<18) -#define S3C_CLKCON_PCLK_IIC (1<<17) -#define S3C_CLKCON_PCLK_IIS1 (1<<16) -#define S3C_CLKCON_PCLK_IIS0 (1<<15) -#define S3C_CLKCON_PCLK_AC97 (1<<14) -#define S3C_CLKCON_PCLK_TZPC (1<<13) -#define S3C_CLKCON_PCLK_TSADC (1<<12) -#define S3C_CLKCON_PCLK_KEYPAD (1<<11) -#define S3C_CLKCON_PCLK_IRDA (1<<10) -#define S3C_CLKCON_PCLK_PCM1 (1<<9) -#define S3C_CLKCON_PCLK_PCM0 (1<<8) -#define S3C_CLKCON_PCLK_PWM (1<<7) -#define S3C_CLKCON_PCLK_RTC (1<<6) -#define S3C_CLKCON_PCLK_WDT (1<<5) #define S3C_CLKCON_PCLK_UART3 (1<<4) #define S3C_CLKCON_PCLK_UART2 (1<<3) #define S3C_CLKCON_PCLK_UART1 (1<<2) #define S3C_CLKCON_PCLK_UART0 (1<<1) -#define S3C_CLKCON_PCLK_MFC (1<<0) - -/* SCLK GATE Registers */ -#define S3C_CLKCON_SCLK_UHOST (1<<30) -#define S3C_CLKCON_SCLK_MMC2_48 (1<<29) -#define S3C_CLKCON_SCLK_MMC1_48 (1<<28) -#define S3C_CLKCON_SCLK_MMC0_48 (1<<27) -#define S3C_CLKCON_SCLK_MMC2 (1<<26) -#define S3C_CLKCON_SCLK_MMC1 (1<<25) -#define S3C_CLKCON_SCLK_MMC0 (1<<24) -#define S3C_CLKCON_SCLK_SPI1_48 (1<<23) -#define S3C_CLKCON_SCLK_SPI0_48 (1<<22) -#define S3C_CLKCON_SCLK_SPI1 (1<<21) -#define S3C_CLKCON_SCLK_SPI0 (1<<20) -#define S3C_CLKCON_SCLK_DAC27 (1<<19) -#define S3C_CLKCON_SCLK_TV27 (1<<18) -#define S3C_CLKCON_SCLK_SCALER27 (1<<17) -#define S3C_CLKCON_SCLK_SCALER (1<<16) -#define S3C_CLKCON_SCLK_LCD27 (1<<15) -#define S3C_CLKCON_SCLK_LCD (1<<14) -#define S3C6400_CLKCON_SCLK_POST1_27 (1<<13) -#define S3C6410_CLKCON_FIMC (1<<13) -#define S3C_CLKCON_SCLK_POST0_27 (1<<12) -#define S3C6400_CLKCON_SCLK_POST1 (1<<11) -#define S3C6410_CLKCON_SCLK_AUDIO2 (1<<11) -#define S3C_CLKCON_SCLK_POST0 (1<<10) -#define S3C_CLKCON_SCLK_AUDIO1 (1<<9) -#define S3C_CLKCON_SCLK_AUDIO0 (1<<8) -#define S3C_CLKCON_SCLK_SECUR (1<<7) -#define S3C_CLKCON_SCLK_IRDA (1<<6) -#define S3C_CLKCON_SCLK_UART (1<<5) -#define S3C_CLKCON_SCLK_ONENAND (1<<4) -#define S3C_CLKCON_SCLK_MFC (1<<3) -#define S3C_CLKCON_SCLK_CAM (1<<2) -#define S3C_CLKCON_SCLK_JPEG (1<<1) - -/* CLKSRC */ - -#define S3C6400_CLKSRC_APLL_MOUT (1 << 0) -#define S3C6400_CLKSRC_MPLL_MOUT (1 << 1) -#define S3C6400_CLKSRC_EPLL_MOUT (1 << 2) -#define S3C6400_CLKSRC_APLL_MOUT_SHIFT (0) -#define S3C6400_CLKSRC_MPLL_MOUT_SHIFT (1) -#define S3C6400_CLKSRC_EPLL_MOUT_SHIFT (2) -#define S3C6400_CLKSRC_MFC (1 << 4) /* MEM_SYS_CFG */ #define MEM_SYS_CFG_INDEP_CF 0x4000 diff --git a/arch/arm/mach-s3c64xx/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c index 35e3f54574e..d266dd5f706 100644 --- a/arch/arm/mach-s3c64xx/mach-anw6410.c +++ b/arch/arm/mach-s3c64xx/mach-anw6410.c @@ -207,7 +207,7 @@ static struct platform_device *anw6410_devices[] __initdata = { static void __init anw6410_map_io(void) { s3c64xx_init_io(anw6410_iodesc, ARRAY_SIZE(anw6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(anw6410_uartcfgs, ARRAY_SIZE(anw6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index eb8e5a1aca4..1a911df9e45 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -743,7 +743,7 @@ static struct s3c2410_platform_i2c i2c1_pdata = { static void __init crag6410_map_io(void) { s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(crag6410_uartcfgs, ARRAY_SIZE(crag6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c index f39569e0f2e..e8064044ef7 100644 --- a/arch/arm/mach-s3c64xx/mach-hmt.c +++ b/arch/arm/mach-s3c64xx/mach-hmt.c @@ -247,7 +247,7 @@ static struct platform_device *hmt_devices[] __initdata = { static void __init hmt_map_io(void) { s3c64xx_init_io(hmt_iodesc, ARRAY_SIZE(hmt_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(hmt_uartcfgs, ARRAY_SIZE(hmt_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c index fc043e3ecdf..58d46a3d7b7 100644 --- a/arch/arm/mach-s3c64xx/mach-mini6410.c +++ b/arch/arm/mach-s3c64xx/mach-mini6410.c @@ -231,7 +231,7 @@ static void __init mini6410_map_io(void) u32 tmp; s3c64xx_init_io(NULL, 0); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c index 7e2c3908f1f..2067b0bf55b 100644 --- a/arch/arm/mach-s3c64xx/mach-ncp.c +++ b/arch/arm/mach-s3c64xx/mach-ncp.c @@ -86,7 +86,7 @@ static struct map_desc ncp_iodesc[] __initdata = {}; static void __init ncp_map_io(void) { s3c64xx_init_io(ncp_iodesc, ARRAY_SIZE(ncp_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(ncp_uartcfgs, ARRAY_SIZE(ncp_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c index 86d980b448f..0f47237be3b 100644 --- a/arch/arm/mach-s3c64xx/mach-smartq.c +++ b/arch/arm/mach-s3c64xx/mach-smartq.c @@ -337,13 +337,6 @@ err: return ret; } -static int __init smartq_usb_otg_init(void) -{ - clk_xusbxti.rate = 12000000; - - return 0; -} - static int __init smartq_wifi_init(void) { int ret; @@ -377,7 +370,8 @@ static struct map_desc smartq_iodesc[] __initdata = {}; void __init smartq_map_io(void) { s3c64xx_init_io(smartq_iodesc, ARRAY_SIZE(smartq_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); + s3c64xx_set_xusbxti_freq(12000000); s3c24xx_init_uarts(smartq_uartcfgs, ARRAY_SIZE(smartq_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); @@ -399,7 +393,6 @@ void __init smartq_machine_init(void) WARN_ON(smartq_lcd_setup_gpio()); WARN_ON(smartq_power_off_init()); WARN_ON(smartq_usb_host_init()); - WARN_ON(smartq_usb_otg_init()); WARN_ON(smartq_wifi_init()); platform_add_devices(smartq_devices, ARRAY_SIZE(smartq_devices)); diff --git a/arch/arm/mach-s3c64xx/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c index d70c0843aea..27381cfcabb 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6400.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c @@ -65,7 +65,7 @@ static struct map_desc smdk6400_iodesc[] = {}; static void __init smdk6400_map_io(void) { s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index d90b450c564..2a7b32ca5c9 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -634,7 +634,7 @@ static void __init smdk6410_map_io(void) u32 tmp; s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc)); - s3c24xx_init_clocks(12000000); + s3c64xx_set_xtal_freq(12000000); s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 6a1f91fea67..8cdb824a3b4 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -194,29 +194,8 @@ void s3c_pm_debug_smdkled(u32 set, u32 clear) #endif static struct sleep_save core_save[] = { - SAVE_ITEM(S3C_APLL_LOCK), - SAVE_ITEM(S3C_MPLL_LOCK), - SAVE_ITEM(S3C_EPLL_LOCK), - SAVE_ITEM(S3C_CLK_SRC), - SAVE_ITEM(S3C_CLK_DIV0), - SAVE_ITEM(S3C_CLK_DIV1), - SAVE_ITEM(S3C_CLK_DIV2), - SAVE_ITEM(S3C_CLK_OUT), - SAVE_ITEM(S3C_HCLK_GATE), - SAVE_ITEM(S3C_PCLK_GATE), - SAVE_ITEM(S3C_SCLK_GATE), - SAVE_ITEM(S3C_MEM0_GATE), - - SAVE_ITEM(S3C_EPLL_CON1), - SAVE_ITEM(S3C_EPLL_CON0), - SAVE_ITEM(S3C64XX_MEM0DRVCON), SAVE_ITEM(S3C64XX_MEM1DRVCON), - -#ifndef CONFIG_CPU_FREQ - SAVE_ITEM(S3C_APLL_CON), - SAVE_ITEM(S3C_MPLL_CON), -#endif }; static struct sleep_save misc_save[] = { diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c index 4869714c6f1..331fe8e5814 100644 --- a/arch/arm/mach-s3c64xx/s3c6400.c +++ b/arch/arm/mach-s3c64xx/s3c6400.c @@ -58,12 +58,6 @@ void __init s3c6400_map_io(void) s3c64xx_onenand1_setname("s3c6400-onenand"); } -void __init s3c6400_init_clocks(int xtal) -{ - s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6400_init_irq(void) { /* VIC0 does not have IRQS 5..7, diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c index 31c29fdf180..7e6fa125584 100644 --- a/arch/arm/mach-s3c64xx/s3c6410.c +++ b/arch/arm/mach-s3c64xx/s3c6410.c @@ -62,13 +62,6 @@ void __init s3c6410_map_io(void) s3c_cfcon_setname("s3c64xx-pata"); } -void __init s3c6410_init_clocks(int xtal) -{ - printk(KERN_DEBUG "%s: initialising clocks\n", __func__); - s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK); - s3c64xx_setup_clocks(); -} - void __init s3c6410_init_irq(void) { /* VIC0 is missing IRQ7, VIC1 is fully populated. */ diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index 1f94c310c47..5dd5f9f7897 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -101,12 +101,24 @@ config ARCH_R8A7790 select SH_CLK_CPG select RENESAS_IRQC +config ARCH_R8A7791 + bool "R-Car M2 (R8A77910)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + config ARCH_EMEV2 bool "Emma Mobile EV2" select ARCH_WANT_OPTIONAL_GPIOLIB select ARM_GIC select CPU_V7 +config ARCH_R7S72100 + bool "RZ/A1H (R7S72100)" + select ARM_GIC + select CPU_V7 + select SH_CLK_CPG + comment "SH-Mobile Board Type" config MACH_APE6EVM diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 2705bfa8c11..f2d40edadcc 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -15,7 +15,10 @@ obj-$(CONFIG_ARCH_R8A7740) += setup-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += setup-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += setup-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o +obj-$(CONFIG_ARCH_R8A7790) += setup-r8a7790.o setup-rcar-gen2.o +obj-$(CONFIG_ARCH_R8A7791) += setup-r8a7791.o setup-rcar-gen2.o obj-$(CONFIG_ARCH_EMEV2) += setup-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += setup-r7s72100.o # Clock objects ifndef CONFIG_COMMON_CLK @@ -27,13 +30,17 @@ obj-$(CONFIG_ARCH_R8A7740) += clock-r8a7740.o obj-$(CONFIG_ARCH_R8A7778) += clock-r8a7778.o obj-$(CONFIG_ARCH_R8A7779) += clock-r8a7779.o obj-$(CONFIG_ARCH_R8A7790) += clock-r8a7790.o +obj-$(CONFIG_ARCH_R8A7791) += clock-r8a7791.o obj-$(CONFIG_ARCH_EMEV2) += clock-emev2.o +obj-$(CONFIG_ARCH_R7S72100) += clock-r7s72100.o endif # SMP objects smp-y := platsmp.o headsmp.o smp-$(CONFIG_ARCH_SH73A0) += smp-sh73a0.o headsmp-scu.o platsmp-scu.o smp-$(CONFIG_ARCH_R8A7779) += smp-r8a7779.o headsmp-scu.o platsmp-scu.o +smp-$(CONFIG_ARCH_R8A7790) += smp-r8a7790.o platsmp-apmu.o +smp-$(CONFIG_ARCH_R8A7791) += smp-r8a7791.o platsmp-apmu.o smp-$(CONFIG_ARCH_EMEV2) += smp-emev2.o headsmp-scu.o platsmp-scu.o # IRQ objects diff --git a/arch/arm/mach-shmobile/board-ape6evm-reference.c b/arch/arm/mach-shmobile/board-ape6evm-reference.c index a23fa714f7a..3276afcf3cc 100644 --- a/arch/arm/mach-shmobile/board-ape6evm-reference.c +++ b/arch/arm/mach-shmobile/board-ape6evm-reference.c @@ -57,7 +57,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c index 24b87eea9da..d36e23f5d8b 100644 --- a/arch/arm/mach-shmobile/board-ape6evm.c +++ b/arch/arm/mach-shmobile/board-ape6evm.c @@ -240,7 +240,7 @@ static const char *ape6evm_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(APE6EVM_DT, "ape6evm") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .init_machine = ape6evm_add_standard_devices, .dt_compat = ape6evm_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c index 9c316a1b2e3..1a1a4a88863 100644 --- a/arch/arm/mach-shmobile/board-lager-reference.c +++ b/arch/arm/mach-shmobile/board-lager-reference.c @@ -38,8 +38,9 @@ static const char *lager_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .init_machine = lager_add_standard_devices, - .init_time = r8a7790_timer_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c index 5930af8d434..4e040e4d110 100644 --- a/arch/arm/mach-shmobile/board-lager.c +++ b/arch/arm/mach-shmobile/board-lager.c @@ -186,8 +186,9 @@ static const char *lager_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(LAGER_DT, "lager") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .init_machine = lager_init, .dt_compat = lager_boards_compat_dt, MACHINE_END diff --git a/arch/arm/mach-shmobile/clock-r7s72100.c b/arch/arm/mach-shmobile/clock-r7s72100.c new file mode 100644 index 00000000000..4aba20ca127 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r7s72100.c @@ -0,0 +1,202 @@ +/* + * r7a72100 clock framework support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2012 Phil Edworthy + * Copyright (C) 2011 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/io.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/common.h> +#include <mach/r7s72100.h> + +/* registers */ +#define FRQCR 0xfcfe0010 +#define FRQCR2 0xfcfe0014 +#define STBCR3 0xfcfe0420 +#define STBCR4 0xfcfe0424 + +#define PLL_RATE 30 + +static struct clk_mapping cpg_mapping = { + .phys = 0xfcfe0000, + .len = 0x1000, +}; + +/* Fixed 32 KHz root clock for RTC */ +static struct clk r_clk = { + .rate = 32768, +}; + +/* + * Default rate for the root input clock, reset this with clk_set_rate() + * from the platform code. + */ +static struct clk extal_clk = { + .rate = 13330000, + .mapping = &cpg_mapping, +}; + +static unsigned long pll_recalc(struct clk *clk) +{ + return clk->parent->rate * PLL_RATE; +} + +static struct sh_clk_ops pll_clk_ops = { + .recalc = pll_recalc, +}; + +static struct clk pll_clk = { + .ops = &pll_clk_ops, + .parent = &extal_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long bus_recalc(struct clk *clk) +{ + return clk->parent->rate * 2 / 3; +} + +static struct sh_clk_ops bus_clk_ops = { + .recalc = bus_recalc, +}; + +static struct clk bus_clk = { + .ops = &bus_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral0_recalc(struct clk *clk) +{ + return clk->parent->rate / 12; +} + +static struct sh_clk_ops peripheral0_clk_ops = { + .recalc = peripheral0_recalc, +}; + +static struct clk peripheral0_clk = { + .ops = &peripheral0_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +static unsigned long peripheral1_recalc(struct clk *clk) +{ + return clk->parent->rate / 6; +} + +static struct sh_clk_ops peripheral1_clk_ops = { + .recalc = peripheral1_recalc, +}; + +static struct clk peripheral1_clk = { + .ops = &peripheral1_clk_ops, + .parent = &pll_clk, + .flags = CLK_ENABLE_ON_INIT, +}; + +struct clk *main_clks[] = { + &r_clk, + &extal_clk, + &pll_clk, + &bus_clk, + &peripheral0_clk, + &peripheral1_clk, +}; + +static int div2[] = { 1, 3, 0, 3 }; /* 1, 2/3, reserve, 1/3 */ +static int multipliers[] = { 1, 2, 1, 1 }; + +static struct clk_div_mult_table div4_div_mult_table = { + .divisors = div2, + .nr_divisors = ARRAY_SIZE(div2), + .multipliers = multipliers, + .nr_multipliers = ARRAY_SIZE(multipliers), +}; + +static struct clk_div4_table div4_table = { + .div_mult_table = &div4_div_mult_table, +}; + +enum { DIV4_I, + DIV4_NR }; + +#define DIV4(_reg, _bit, _mask, _flags) \ + SH_CLK_DIV4(&pll_clk, _reg, _bit, _mask, _flags) + +/* The mask field specifies the div2 entries that are valid */ +struct clk div4_clks[DIV4_NR] = { + [DIV4_I] = DIV4(FRQCR, 8, 0xB, CLK_ENABLE_REG_16BIT + | CLK_ENABLE_ON_INIT), +}; + +enum { MSTP47, MSTP46, MSTP45, MSTP44, MSTP43, MSTP42, MSTP41, MSTP40, + MSTP33, MSTP_NR }; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP47] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 7, 0), /* SCIF0 */ + [MSTP46] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 6, 0), /* SCIF1 */ + [MSTP45] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 5, 0), /* SCIF2 */ + [MSTP44] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 4, 0), /* SCIF3 */ + [MSTP43] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 3, 0), /* SCIF4 */ + [MSTP42] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 2, 0), /* SCIF5 */ + [MSTP41] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 1, 0), /* SCIF6 */ + [MSTP40] = SH_CLK_MSTP8(&peripheral1_clk, STBCR4, 0, 0), /* SCIF7 */ + [MSTP33] = SH_CLK_MSTP8(&peripheral0_clk, STBCR3, 3, 0), /* MTU2 */ +}; + +static struct clk_lookup lookups[] = { + /* main clocks */ + CLKDEV_CON_ID("rclk", &r_clk), + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("pll_clk", &pll_clk), + CLKDEV_CON_ID("peripheral_clk", &peripheral1_clk), + + /* DIV4 clocks */ + CLKDEV_CON_ID("cpu_clk", &div4_clks[DIV4_I]), + + /* MSTP clocks */ + CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[MSTP47]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[MSTP46]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.2", &mstp_clks[MSTP45]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.3", &mstp_clks[MSTP44]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.4", &mstp_clks[MSTP43]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[MSTP42]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.6", &mstp_clks[MSTP41]), + CLKDEV_ICK_ID("sci_fck", "sh-sci.7", &mstp_clks[MSTP40]), +}; + +void __init r7s72100_clock_init(void) +{ + int k, ret = 0; + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + if (!ret) + shmobile_clk_init(); + else + panic("failed to setup rza1 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index 5bd2e851e3c..571409b611d 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -504,7 +504,7 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { - MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, + MSTP218, MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP329, MSTP323, MSTP318, MSTP317, MSTP316, MSTP315, MSTP314, MSTP313, MSTP312, MSTP305, MSTP300, MSTP411, MSTP410, MSTP409, @@ -519,6 +519,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP207] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 7, 0), /* SCIFB1 */ [MSTP216] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 16, 0), /* SCIFB2 */ [MSTP217] = SH_CLK_MSTP32(&div6_clks[DIV6_MP], SMSTPCR2, 17, 0), /* SCIFB3 */ + [MSTP218] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* DMAC */ [MSTP300] = SH_CLK_MSTP32(&div4_clks[DIV4_HP], SMSTPCR3, 0, 0), /* IIC2 */ [MSTP305] = SH_CLK_MSTP32(&div6_clks[DIV6_MMC1],SMSTPCR3, 5, 0), /* MMCIF1 */ [MSTP312] = SH_CLK_MSTP32(&div6_clks[DIV6_SDHI2],SMSTPCR3, 12, 0), /* SDHI2 */ @@ -578,6 +579,8 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), + CLKDEV_DEV_ID("e6700020.dma-controller", &mstp_clks[MSTP218]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("e6520000.i2c", &mstp_clks[MSTP300]), CLKDEV_DEV_ID("sh_mmcif.1", &mstp_clks[MSTP305]), diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c index c4bf2d8fb11..fb6af83858e 100644 --- a/arch/arm/mach-shmobile/clock-r8a7778.c +++ b/arch/arm/mach-shmobile/clock-r8a7778.c @@ -69,6 +69,15 @@ static struct clk extal_clk = { .mapping = &cpg_mapping, }; +static struct clk audio_clk_a = { +}; + +static struct clk audio_clk_b = { +}; + +static struct clk audio_clk_c = { +}; + /* * clock ratio of these clock will be updated * on r8a7778_clock_init() @@ -100,18 +109,23 @@ static struct clk *main_clks[] = { &p_clk, &g_clk, &z_clk, + &audio_clk_a, + &audio_clk_b, + &audio_clk_c, }; enum { MSTP331, MSTP323, MSTP322, MSTP321, + MSTP311, MSTP310, + MSTP309, MSTP308, MSTP307, MSTP114, MSTP110, MSTP109, MSTP100, MSTP030, MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021, - MSTP016, MSTP015, - MSTP007, + MSTP016, MSTP015, MSTP012, MSTP011, MSTP010, + MSTP009, MSTP008, MSTP007, MSTP_NR }; static struct clk mstp_clks[MSTP_NR] = { @@ -119,6 +133,11 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP323] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 23, 0), /* SDHI0 */ [MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */ [MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */ + [MSTP311] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 11, 0), /* SSI4 */ + [MSTP310] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 10, 0), /* SSI5 */ + [MSTP309] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 9, 0), /* SSI6 */ + [MSTP308] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 8, 0), /* SSI7 */ + [MSTP307] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 7, 0), /* SSI8 */ [MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */ [MSTP110] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 10, 0), /* VIN0 */ [MSTP109] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 9, 0), /* VIN1 */ @@ -135,11 +154,20 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP021] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 21, 0), /* SCIF5 */ [MSTP016] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 16, 0), /* TMU0 */ [MSTP015] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 15, 0), /* TMU1 */ + [MSTP012] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 12, 0), /* SSI0 */ + [MSTP011] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 11, 0), /* SSI1 */ + [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */ + [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 9, 0), /* SSI3 */ + [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 8, 0), /* SRU */ [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 7, 0), /* HSPI */ }; static struct clk_lookup lookups[] = { /* main */ + CLKDEV_CON_ID("audio_clk_a", &audio_clk_a), + CLKDEV_CON_ID("audio_clk_b", &audio_clk_b), + CLKDEV_CON_ID("audio_clk_c", &audio_clk_c), + CLKDEV_CON_ID("audio_clk_internal", &s1_clk), CLKDEV_CON_ID("shyway_clk", &s_clk), CLKDEV_CON_ID("peripheral_clk", &p_clk), @@ -153,6 +181,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("r8a7778-vin.1", &mstp_clks[MSTP109]), /* VIN1 */ CLKDEV_DEV_ID("ehci-platform", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */ CLKDEV_DEV_ID("ohci-platform", &mstp_clks[MSTP100]), /* USB OHCI port0/1 */ + CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP100]), /* USB FUNC */ CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */ CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */ CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */ @@ -168,6 +197,17 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */ CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */ CLKDEV_DEV_ID("sh-hspi.2", &mstp_clks[MSTP007]), /* HSPI2 */ + CLKDEV_DEV_ID("rcar_sound", &mstp_clks[MSTP008]), /* SRU */ + + CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP012]), + CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP011]), + CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP010]), + CLKDEV_ICK_ID("ssi.3", "rcar_sound", &mstp_clks[MSTP009]), + CLKDEV_ICK_ID("ssi.4", "rcar_sound", &mstp_clks[MSTP311]), + CLKDEV_ICK_ID("ssi.5", "rcar_sound", &mstp_clks[MSTP310]), + CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP309]), + CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP308]), + CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP307]), }; void __init r8a7778_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c index bd6ad922eb7..1f7080fab0a 100644 --- a/arch/arm/mach-shmobile/clock-r8a7779.c +++ b/arch/arm/mach-shmobile/clock-r8a7779.c @@ -200,7 +200,7 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */ CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */ CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */ - CLKDEV_DEV_ID("rcar-du.0", &mstp_clks[MSTP103]), /* DU */ + CLKDEV_DEV_ID("rcar-du-r8a7779", &mstp_clks[MSTP103]), /* DU */ }; void __init r8a7779_clock_init(void) diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c index fc36d3db0b4..a64f965c7da 100644 --- a/arch/arm/mach-shmobile/clock-r8a7790.c +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -52,6 +52,7 @@ #define SMSTPCR5 0xe6150144 #define SMSTPCR7 0xe615014c #define SMSTPCR8 0xe6150990 +#define SMSTPCR9 0xe6150994 #define SDCKCR 0xE6150074 #define SD2CKCR 0xE6150078 @@ -181,8 +182,9 @@ static struct clk div6_clks[DIV6_NR] = { /* MSTP */ enum { + MSTP931, MSTP930, MSTP929, MSTP928, MSTP813, - MSTP721, MSTP720, + MSTP726, MSTP725, MSTP724, MSTP723, MSTP722, MSTP721, MSTP720, MSTP717, MSTP716, MSTP522, MSTP315, MSTP314, MSTP313, MSTP312, MSTP311, MSTP305, MSTP304, @@ -192,7 +194,16 @@ enum { }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP931] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 31, 0), /* I2C0 */ + [MSTP930] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 30, 0), /* I2C1 */ + [MSTP929] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 29, 0), /* I2C2 */ + [MSTP928] = SH_CLK_MSTP32(&hp_clk, SMSTPCR9, 28, 0), /* I2C3 */ [MSTP813] = SH_CLK_MSTP32(&p_clk, SMSTPCR8, 13, 0), /* Ether */ + [MSTP726] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 26, 0), /* LVDS0 */ + [MSTP725] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 25, 0), /* LVDS1 */ + [MSTP724] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 24, 0), /* DU0 */ + [MSTP723] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 23, 0), /* DU1 */ + [MSTP722] = SH_CLK_MSTP32(&zx_clk, SMSTPCR7, 22, 0), /* DU2 */ [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ [MSTP717] = SH_CLK_MSTP32(&zs_clk, SMSTPCR7, 17, 0), /* HSCIF0 */ @@ -251,6 +262,11 @@ static struct clk_lookup lookups[] = { CLKDEV_CON_ID("ssprs", &div6_clks[DIV6_SSPRS]), /* MSTP */ + CLKDEV_ICK_ID("lvds.0", "rcar-du-r8a7790", &mstp_clks[MSTP726]), + CLKDEV_ICK_ID("lvds.1", "rcar-du-r8a7790", &mstp_clks[MSTP725]), + CLKDEV_ICK_ID("du.0", "rcar-du-r8a7790", &mstp_clks[MSTP724]), + CLKDEV_ICK_ID("du.1", "rcar-du-r8a7790", &mstp_clks[MSTP723]), + CLKDEV_ICK_ID("du.2", "rcar-du-r8a7790", &mstp_clks[MSTP722]), CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), @@ -261,6 +277,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP717]), CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP716]), + CLKDEV_DEV_ID("e6508000.i2c", &mstp_clks[MSTP931]), + CLKDEV_DEV_ID("e6518000.i2c", &mstp_clks[MSTP930]), + CLKDEV_DEV_ID("e6530000.i2c", &mstp_clks[MSTP929]), + CLKDEV_DEV_ID("e6540000.i2c", &mstp_clks[MSTP928]), CLKDEV_DEV_ID("r8a7790-ether", &mstp_clks[MSTP813]), CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), CLKDEV_DEV_ID("ee200000.mmcif", &mstp_clks[MSTP315]), @@ -290,7 +310,7 @@ static struct clk_lookup lookups[] = { void __init r8a7790_clock_init(void) { - u32 mode = r8a7790_read_mode_pins(); + u32 mode = rcar_gen2_read_mode_pins(); int k, ret = 0; switch (mode & (MD(14) | MD(13))) { diff --git a/arch/arm/mach-shmobile/clock-r8a7791.c b/arch/arm/mach-shmobile/clock-r8a7791.c new file mode 100644 index 00000000000..c9a26f16ce5 --- /dev/null +++ b/arch/arm/mach-shmobile/clock-r8a7791.c @@ -0,0 +1,237 @@ +/* + * r8a7791 clock framework support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/sh_clk.h> +#include <linux/clkdev.h> +#include <mach/clock.h> +#include <mach/common.h> + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x 1 x172/2 x208/2 x106 + * 0 0 1 15 x 1 x172/2 x208/2 x88 + * 0 1 0 20 x 1 x130/2 x156/2 x80 + * 0 1 1 20 x 1 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.6 indicates VCO ouput (PLLx = VCO/2) + * see "p1 / 2" on R8A7791_CLOCK_ROOT() below + */ + +#define MD(nr) (1 << nr) + +#define CPG_BASE 0xe6150000 +#define CPG_LEN 0x1000 + +#define SMSTPCR0 0xE6150130 +#define SMSTPCR1 0xE6150134 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR3 0xE615013C +#define SMSTPCR5 0xE6150144 +#define SMSTPCR7 0xe615014c +#define SMSTPCR8 0xE6150990 +#define SMSTPCR9 0xE6150994 +#define SMSTPCR10 0xE6150998 +#define SMSTPCR11 0xE615099C + +#define MODEMR 0xE6160060 +#define SDCKCR 0xE6150074 +#define SD2CKCR 0xE6150078 +#define SD3CKCR 0xE615007C +#define MMC0CKCR 0xE6150240 +#define MMC1CKCR 0xE6150244 +#define SSPCKCR 0xE6150248 +#define SSPRSCKCR 0xE615024C + +static struct clk_mapping cpg_mapping = { + .phys = CPG_BASE, + .len = CPG_LEN, +}; + +static struct clk extal_clk = { + /* .rate will be updated on r8a7791_clock_init() */ + .mapping = &cpg_mapping, +}; + +static struct sh_clk_ops followparent_clk_ops = { + .recalc = followparent_recalc, +}; + +static struct clk main_clk = { + /* .parent will be set r8a73a4_clock_init */ + .ops = &followparent_clk_ops, +}; + +/* + * clock ratio of these clock will be updated + * on r8a7791_clock_init() + */ +SH_FIXED_RATIO_CLK_SET(pll1_clk, main_clk, 1, 1); +SH_FIXED_RATIO_CLK_SET(pll3_clk, main_clk, 1, 1); + +/* fixed ratio clock */ +SH_FIXED_RATIO_CLK_SET(extal_div2_clk, extal_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(cp_clk, extal_clk, 1, 2); + +SH_FIXED_RATIO_CLK_SET(pll1_div2_clk, pll1_clk, 1, 2); +SH_FIXED_RATIO_CLK_SET(hp_clk, pll1_clk, 1, 12); +SH_FIXED_RATIO_CLK_SET(p_clk, pll1_clk, 1, 24); +SH_FIXED_RATIO_CLK_SET(rclk_clk, pll1_clk, 1, (48 * 1024)); +SH_FIXED_RATIO_CLK_SET(mp_clk, pll1_div2_clk, 1, 15); + +static struct clk *main_clks[] = { + &extal_clk, + &extal_div2_clk, + &main_clk, + &pll1_clk, + &pll1_div2_clk, + &pll3_clk, + &hp_clk, + &p_clk, + &rclk_clk, + &mp_clk, + &cp_clk, +}; + +/* MSTP */ +enum { + MSTP721, MSTP720, + MSTP719, MSTP718, MSTP715, MSTP714, + MSTP216, MSTP207, MSTP206, + MSTP204, MSTP203, MSTP202, MSTP1105, MSTP1106, MSTP1107, + MSTP124, + MSTP_NR +}; + +static struct clk mstp_clks[MSTP_NR] = { + [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ + [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ + [MSTP719] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 19, 0), /* SCIF2 */ + [MSTP718] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 18, 0), /* SCIF3 */ + [MSTP715] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 15, 0), /* SCIF4 */ + [MSTP714] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 14, 0), /* SCIF5 */ + [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP204] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ + [MSTP1105] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 5, 0), /* SCIFA3 */ + [MSTP1106] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 6, 0), /* SCIFA4 */ + [MSTP1107] = SH_CLK_MSTP32(&mp_clk, SMSTPCR11, 7, 0), /* SCIFA5 */ + [MSTP124] = SH_CLK_MSTP32(&rclk_clk, SMSTPCR1, 24, 0), /* CMT0 */ +}; + +static struct clk_lookup lookups[] = { + + /* main clocks */ + CLKDEV_CON_ID("extal", &extal_clk), + CLKDEV_CON_ID("extal_div2", &extal_div2_clk), + CLKDEV_CON_ID("main", &main_clk), + CLKDEV_CON_ID("pll1", &pll1_clk), + CLKDEV_CON_ID("pll1_div2", &pll1_div2_clk), + CLKDEV_CON_ID("pll3", &pll3_clk), + CLKDEV_CON_ID("hp", &hp_clk), + CLKDEV_CON_ID("p", &p_clk), + CLKDEV_CON_ID("rclk", &rclk_clk), + CLKDEV_CON_ID("mp", &mp_clk), + CLKDEV_CON_ID("cp", &cp_clk), + CLKDEV_CON_ID("peripheral_clk", &hp_clk), + + /* MSTP */ + CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */ + CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]), /* SCIFA1 */ + CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]), /* SCIFB0 */ + CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), /* SCIFB1 */ + CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), /* SCIFB2 */ + CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP202]), /* SCIFA2 */ + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]), /* SCIF0 */ + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), /* SCIF1 */ + CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP719]), /* SCIF2 */ + CLKDEV_DEV_ID("sh-sci.9", &mstp_clks[MSTP718]), /* SCIF3 */ + CLKDEV_DEV_ID("sh-sci.10", &mstp_clks[MSTP715]), /* SCIF4 */ + CLKDEV_DEV_ID("sh-sci.11", &mstp_clks[MSTP714]), /* SCIF5 */ + CLKDEV_DEV_ID("sh-sci.12", &mstp_clks[MSTP1105]), /* SCIFA3 */ + CLKDEV_DEV_ID("sh-sci.13", &mstp_clks[MSTP1106]), /* SCIFA4 */ + CLKDEV_DEV_ID("sh-sci.14", &mstp_clks[MSTP1107]), /* SCIFA5 */ + CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]), +}; + +#define R8A7791_CLOCK_ROOT(e, m, p0, p1, p30, p31) \ + extal_clk.rate = e * 1000 * 1000; \ + main_clk.parent = m; \ + SH_CLK_SET_RATIO(&pll1_clk_ratio, p1 / 2, 1); \ + if (mode & MD(19)) \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p31, 1); \ + else \ + SH_CLK_SET_RATIO(&pll3_clk_ratio, p30, 1) + + +void __init r8a7791_clock_init(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE); + u32 mode; + int k, ret = 0; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + switch (mode & (MD(14) | MD(13))) { + case 0: + R8A7791_CLOCK_ROOT(15, &extal_clk, 172, 208, 106, 88); + break; + case MD(13): + R8A7791_CLOCK_ROOT(20, &extal_clk, 130, 156, 80, 66); + break; + case MD(14): + R8A7791_CLOCK_ROOT(26, &extal_div2_clk, 200, 240, 122, 102); + break; + case MD(13) | MD(14): + R8A7791_CLOCK_ROOT(30, &extal_div2_clk, 172, 208, 106, 88); + break; + } + + for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++) + ret = clk_register(main_clks[k]); + + if (!ret) + ret = sh_clk_mstp_register(mstp_clks, MSTP_NR); + + clkdev_add_table(lookups, ARRAY_SIZE(lookups)); + + if (!ret) + shmobile_clk_init(); + else + goto epanic; + + return; + +epanic: + panic("failed to setup r8a7791 clocks\n"); +} diff --git a/arch/arm/mach-shmobile/headsmp.S b/arch/arm/mach-shmobile/headsmp.S index f93751caf5c..e5be5c88644 100644 --- a/arch/arm/mach-shmobile/headsmp.S +++ b/arch/arm/mach-shmobile/headsmp.S @@ -40,6 +40,9 @@ shmobile_boot_fn: .globl shmobile_boot_arg shmobile_boot_arg: 2: .space 4 + .globl shmobile_boot_size +shmobile_boot_size: + .long . - shmobile_boot_vector /* * Per-CPU SMP boot function/argument selection code based on MPIDR diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h index 7b938681e75..e31980590eb 100644 --- a/arch/arm/mach-shmobile/include/mach/common.h +++ b/arch/arm/mach-shmobile/include/mach/common.h @@ -9,16 +9,23 @@ extern void shmobile_setup_console(void); extern void shmobile_boot_vector(void); extern unsigned long shmobile_boot_fn; extern unsigned long shmobile_boot_arg; +extern unsigned long shmobile_boot_size; extern void shmobile_smp_boot(void); extern void shmobile_smp_sleep(void); extern void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg); +extern int shmobile_smp_cpu_disable(unsigned int cpu); +extern void shmobile_invalidate_start(void); extern void shmobile_boot_scu(void); extern void shmobile_smp_scu_prepare_cpus(unsigned int max_cpus); -extern int shmobile_smp_scu_boot_secondary(unsigned int cpu, - struct task_struct *idle); extern void shmobile_smp_scu_cpu_die(unsigned int cpu); extern int shmobile_smp_scu_cpu_kill(unsigned int cpu); +extern void shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus); +extern int shmobile_smp_apmu_boot_secondary(unsigned int cpu, + struct task_struct *idle); +extern void shmobile_smp_apmu_cpu_die(unsigned int cpu); +extern int shmobile_smp_apmu_cpu_kill(unsigned int cpu); +extern void shmobile_invalidate_start(void); struct clk; extern int shmobile_clk_init(void); extern void shmobile_handle_irq_intc(struct pt_regs *); @@ -39,7 +46,6 @@ static inline int shmobile_cpuidle_init(void) { return 0; } #endif extern void __iomem *shmobile_scu_base; -extern void shmobile_smp_init_cpus(unsigned int ncores); static inline void __init shmobile_init_late(void) { diff --git a/arch/arm/mach-shmobile/include/mach/r7s72100.h b/arch/arm/mach-shmobile/include/mach/r7s72100.h new file mode 100644 index 00000000000..5f34b20ecd4 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r7s72100.h @@ -0,0 +1,8 @@ +#ifndef __ASM_R7S72100_H__ +#define __ASM_R7S72100_H__ + +void r7s72100_add_dt_devices(void); +void r7s72100_clock_init(void); +void r7s72100_init_early(void); + +#endif /* __ASM_R7S72100_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a73a4.h b/arch/arm/mach-shmobile/include/mach/r8a73a4.h index f3a9b702da5..ce8bdd1d8a8 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a73a4.h +++ b/arch/arm/mach-shmobile/include/mach/r8a73a4.h @@ -1,10 +1,19 @@ #ifndef __ASM_R8A73A4_H__ #define __ASM_R8A73A4_H__ +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_MMCIF0_TX, + SHDMA_SLAVE_MMCIF0_RX, + SHDMA_SLAVE_MMCIF1_TX, + SHDMA_SLAVE_MMCIF1_RX, +}; + void r8a73a4_add_standard_devices(void); void r8a73a4_add_dt_devices(void); void r8a73a4_clock_init(void); void r8a73a4_pinmux_init(void); -void r8a73a4_init_delay(void); +void r8a73a4_init_early(void); #endif /* __ASM_R8A73A4_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h index adfcf51b163..dbe221a484d 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7778.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h @@ -1,6 +1,7 @@ /* * Copyright (C) 2013 Renesas Solutions Corp. * Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> + * Copyright (C) 2013 Cogent Embedded, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,6 +22,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + extern void r8a7778_add_standard_devices(void); extern void r8a7778_add_standard_devices_dt(void); extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata); @@ -33,6 +41,9 @@ extern void r8a7778_init_delay(void); extern void r8a7778_init_irq_dt(void); extern void r8a7778_clock_init(void); extern void r8a7778_init_irq_extpin(int irlm); +extern void r8a7778_init_irq_extpin_dt(int irlm); extern void r8a7778_pinmux_init(void); +extern int r8a7778_usb_phy_power(bool enable); + #endif /* __ASM_R8A7778_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h index 11c740047e1..17af34ed89c 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7779.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h @@ -6,6 +6,13 @@ #include <linux/sh_eth.h> #include <linux/platform_data/camera-rcar.h> +/* HPB-DMA slave IDs */ +enum { + HPBDMA_SLAVE_DUMMY, + HPBDMA_SLAVE_SDHI0_TX, + HPBDMA_SLAVE_SDHI0_RX, +}; + struct platform_device; struct r8a7779_pm_ch { @@ -26,6 +33,7 @@ static inline struct r8a7779_pm_ch *to_r8a7779_ch(struct generic_pm_domain *d) extern void r8a7779_init_delay(void); extern void r8a7779_init_irq_extpin(int irlm); +extern void r8a7779_init_irq_extpin_dt(int irlm); extern void r8a7779_init_irq_dt(void); extern void r8a7779_map_io(void); extern void r8a7779_earlytimer_init(void); diff --git a/arch/arm/mach-shmobile/include/mach/r8a7790.h b/arch/arm/mach-shmobile/include/mach/r8a7790.h index 788d5595209..5fbfa28b40b 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7790.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7790.h @@ -1,14 +1,13 @@ #ifndef __ASM_R8A7790_H__ #define __ASM_R8A7790_H__ +#include <mach/rcar-gen2.h> + void r8a7790_add_standard_devices(void); void r8a7790_add_dt_devices(void); void r8a7790_clock_init(void); void r8a7790_pinmux_init(void); -void r8a7790_init_delay(void); -void r8a7790_timer_init(void); - -#define MD(nr) BIT(nr) -u32 r8a7790_read_mode_pins(void); +void r8a7790_init_early(void); +extern struct smp_operations r8a7790_smp_ops; #endif /* __ASM_R8A7790_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/r8a7791.h b/arch/arm/mach-shmobile/include/mach/r8a7791.h new file mode 100644 index 00000000000..051ead3c286 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/r8a7791.h @@ -0,0 +1,10 @@ +#ifndef __ASM_R8A7791_H__ +#define __ASM_R8A7791_H__ + +void r8a7791_add_standard_devices(void); +void r8a7791_add_dt_devices(void); +void r8a7791_clock_init(void); +void r8a7791_init_early(void); +extern struct smp_operations r8a7791_smp_ops; + +#endif /* __ASM_R8A7791_H__ */ diff --git a/arch/arm/mach-shmobile/include/mach/rcar-gen2.h b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h new file mode 100644 index 00000000000..43f606eb2d8 --- /dev/null +++ b/arch/arm/mach-shmobile/include/mach/rcar-gen2.h @@ -0,0 +1,8 @@ +#ifndef __ASM_RCAR_GEN2_H__ +#define __ASM_RCAR_GEN2_H__ + +void rcar_gen2_timer_init(void); +#define MD(nr) BIT(nr) +u32 rcar_gen2_read_mode_pins(void); + +#endif /* __ASM_RCAR_GEN2_H__ */ diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c new file mode 100644 index 00000000000..1da5a72d964 --- /dev/null +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -0,0 +1,195 @@ +/* + * SMP support for SoCs with APMU + * + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/of_address.h> +#include <linux/smp.h> +#include <asm/cacheflush.h> +#include <asm/cp15.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +static struct { + void __iomem *iomem; + int bit; +} apmu_cpus[CONFIG_NR_CPUS]; + +#define WUPCR_OFFS 0x10 +#define PSTR_OFFS 0x40 +#define CPUNCR_OFFS(n) (0x100 + (0x10 * (n))) + +static int apmu_power_on(void __iomem *p, int bit) +{ + /* request power on */ + writel_relaxed(BIT(bit), p + WUPCR_OFFS); + + /* wait for APMU to finish */ + while (readl_relaxed(p + WUPCR_OFFS) != 0) + ; + + return 0; +} + +static int apmu_power_off(void __iomem *p, int bit) +{ + /* request Core Standby for next WFI */ + writel_relaxed(3, p + CPUNCR_OFFS(bit)); + return 0; +} + +static int apmu_power_off_poll(void __iomem *p, int bit) +{ + int k; + + for (k = 0; k < 1000; k++) { + if (((readl_relaxed(p + PSTR_OFFS) >> (bit * 4)) & 0x03) == 3) + return 1; + + mdelay(1); + } + + return 0; +} + +static int apmu_wrap(int cpu, int (*fn)(void __iomem *p, int cpu)) +{ + void __iomem *p = apmu_cpus[cpu].iomem; + + return p ? fn(p, apmu_cpus[cpu].bit) : -EINVAL; +} + +static void apmu_init_cpu(struct resource *res, int cpu, int bit) +{ + if (apmu_cpus[cpu].iomem) + return; + + apmu_cpus[cpu].iomem = ioremap_nocache(res->start, resource_size(res)); + apmu_cpus[cpu].bit = bit; + + pr_debug("apmu ioremap %d %d 0x%08x 0x%08x\n", cpu, bit, + res->start, resource_size(res)); +} + +static struct { + struct resource iomem; + int cpus[4]; +} apmu_config[] = { + { + .iomem = DEFINE_RES_MEM(0xe6152000, 0x88), + .cpus = { 0, 1, 2, 3 }, + }, + { + .iomem = DEFINE_RES_MEM(0xe6151000, 0x88), + .cpus = { 0x100, 0x101, 0x102, 0x103 }, + } +}; + +static void apmu_parse_cfg(void (*fn)(struct resource *res, int cpu, int bit)) +{ + u32 id; + int k; + int bit, index; + bool is_allowed; + + for (k = 0; k < ARRAY_SIZE(apmu_config); k++) { + /* only enable the cluster that includes the boot CPU */ + is_allowed = false; + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + if (id == cpu_logical_map(0)) + is_allowed = true; + } + } + if (!is_allowed) + continue; + + for (bit = 0; bit < ARRAY_SIZE(apmu_config[k].cpus); bit++) { + id = apmu_config[k].cpus[bit]; + if (id >= 0) { + index = get_logical_index(id); + if (index >= 0) + fn(&apmu_config[k].iomem, index, bit); + } + } + } +} + +void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus) +{ + /* install boot code shared by all CPUs */ + shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); + shmobile_boot_arg = MPIDR_HWID_BITMASK; + + /* perform per-cpu setup */ + apmu_parse_cfg(apmu_init_cpu); +} + +int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) +{ + /* For this particular CPU register boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_invalidate_start), 0); + + return apmu_wrap(cpu, apmu_power_on); +} + +#ifdef CONFIG_HOTPLUG_CPU +/* nicked from arch/arm/mach-exynos/hotplug.c */ +static inline void cpu_enter_lowpower_a15(void) +{ + unsigned int v; + + asm volatile( + " mrc p15, 0, %0, c1, c0, 0\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 0\n" + : "=&r" (v) + : "Ir" (CR_C) + : "cc"); + + flush_cache_louis(); + + asm volatile( + /* + * Turn off coherency + */ + " mrc p15, 0, %0, c1, c0, 1\n" + " bic %0, %0, %1\n" + " mcr p15, 0, %0, c1, c0, 1\n" + : "=&r" (v) + : "Ir" (0x40) + : "cc"); + + isb(); + dsb(); +} + +void shmobile_smp_apmu_cpu_die(unsigned int cpu) +{ + /* For this particular CPU deregister boot vector */ + shmobile_smp_hook(cpu, 0, 0); + + /* Select next sleep mode using the APMU */ + apmu_wrap(cpu, apmu_power_off); + + /* Do ARM specific CPU shutdown */ + cpu_enter_lowpower_a15(); + + /* jump to shared mach-shmobile sleep / reset code */ + shmobile_smp_sleep(); +} + +int shmobile_smp_apmu_cpu_kill(unsigned int cpu) +{ + return apmu_wrap(cpu, apmu_power_off_poll); +} +#endif diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index c96f50160be..673ad6e8086 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -7,6 +7,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ +#include <linux/cpu.h> #include <linux/delay.h> #include <linux/init.h> #include <linux/io.h> @@ -16,6 +17,26 @@ #include <asm/smp_scu.h> #include <mach/common.h> +static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + unsigned int cpu = (long)hcpu; + + switch (action) { + case CPU_UP_PREPARE: + /* For this particular CPU register SCU SMP boot vector */ + shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), + (unsigned long)shmobile_scu_base); + break; + }; + + return NOTIFY_OK; +} + +static struct notifier_block shmobile_smp_scu_notifier = { + .notifier_call = shmobile_smp_scu_notifier_call, +}; + void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) { /* install boot code shared by all CPUs */ @@ -25,14 +46,9 @@ void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus) /* enable SCU and cache coherency on booting CPU */ scu_enable(shmobile_scu_base); scu_power_mode(shmobile_scu_base, SCU_PM_NORMAL); -} -int shmobile_smp_scu_boot_secondary(unsigned int cpu, struct task_struct *idle) -{ - /* For this particular CPU register SCU boot vector */ - shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), - (unsigned long)shmobile_scu_base); - return 0; + /* Use CPU notifier for reset vector control */ + register_cpu_notifier(&shmobile_smp_scu_notifier); } #ifdef CONFIG_HOTPLUG_CPU diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c index d4ae616bced..9ebc246b8d7 100644 --- a/arch/arm/mach-shmobile/platsmp.c +++ b/arch/arm/mach-shmobile/platsmp.c @@ -11,25 +11,10 @@ * published by the Free Software Foundation. */ #include <linux/init.h> -#include <linux/smp.h> #include <asm/cacheflush.h> #include <asm/smp_plat.h> #include <mach/common.h> -void __init shmobile_smp_init_cpus(unsigned int ncores) -{ - unsigned int i; - - if (ncores > nr_cpu_ids) { - pr_warn("SMP: %u cores greater than maximum (%u), clipping\n", - ncores, nr_cpu_ids); - ncores = nr_cpu_ids; - } - - for (i = 0; i < ncores; i++) - set_cpu_possible(i, true); -} - extern unsigned long shmobile_smp_fn[]; extern unsigned long shmobile_smp_arg[]; extern unsigned long shmobile_smp_mpidr[]; @@ -44,3 +29,10 @@ void shmobile_smp_hook(unsigned int cpu, unsigned long fn, unsigned long arg) shmobile_smp_arg[cpu] = arg; flush_cache_all(); } + +#ifdef CONFIG_HOTPLUG_CPU +int shmobile_smp_cpu_disable(unsigned int cpu) +{ + return 0; /* Hotplug of any CPU is supported */ +} +#endif diff --git a/arch/arm/mach-shmobile/setup-r7s72100.c b/arch/arm/mach-shmobile/setup-r7s72100.c new file mode 100644 index 00000000000..d4eb509a1c8 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r7s72100.c @@ -0,0 +1,88 @@ +/* + * r7s72100 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/serial_sci.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r7s72100.h> +#include <asm/mach/arch.h> + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + .type = PORT_SCIF, \ + .regtype = SCIx_SH2_SCIF_FIFODATA_REGTYPE, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RIE | SCSCR_TIE | SCSCR_RE | SCSCR_TE | \ + SCSCR_REIE, \ + .mapbase = baseaddr, \ + .irqs = { irq + 1, irq + 2, irq + 3, irq }, \ +} + +enum { SCIF0, SCIF1, SCIF2, SCIF3, SCIF4, SCIF5, SCIF6, SCIF7 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIF_DATA(SCIF0, 0xe8007000, gic_iid(221)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe8007800, gic_iid(225)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe8008000, gic_iid(229)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe8008800, gic_iid(233)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe8009000, gic_iid(237)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe8009800, gic_iid(241)), /* SCIF5 */ + SCIF_DATA(SCIF6, 0xe800a000, gic_iid(245)), /* SCIF6 */ + SCIF_DATA(SCIF7, 0xe800a800, gic_iid(249)), /* SCIF7 */ +}; + +static inline void r7s72100_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +void __init r7s72100_add_dt_devices(void) +{ + r7s72100_register_scif(SCIF0); + r7s72100_register_scif(SCIF1); + r7s72100_register_scif(SCIF2); + r7s72100_register_scif(SCIF3); + r7s72100_register_scif(SCIF4); + r7s72100_register_scif(SCIF5); + r7s72100_register_scif(SCIF6); + r7s72100_register_scif(SCIF7); +} + +void __init r7s72100_init_early(void) +{ + shmobile_setup_delay(400, 1, 3); /* Cortex-A9 @ 400MHz */ +} + +#ifdef CONFIG_USE_OF +static const char *r7s72100_boards_compat_dt[] __initdata = { + "renesas,r7s72100", + NULL, +}; + +DT_MACHINE_START(R7S72100_DT, "Generic R7S72100 (Flattened Device Tree)") + .init_early = r7s72100_init_early, + .dt_compat = r7s72100_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 89491700afb..b0f2749071b 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -22,8 +22,10 @@ #include <linux/of_platform.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> #include <mach/common.h> +#include <mach/dma-register.h> #include <mach/irqs.h> #include <mach/r8a73a4.h> #include <asm/mach/arch.h> @@ -199,15 +201,104 @@ void __init r8a73a4_add_dt_devices(void) r8a7790_register_cmt(10); } +/* DMA */ +static const struct sh_dmae_slave_config dma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_MMCIF0_TX, + .addr = 0xee200034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF0_RX, + .addr = 0xee200034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_TX, + .addr = 0xee220034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xe1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_RX, + .addr = 0xee220034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xe2, + }, +}; + +#define DMAE_CHANNEL(a, b) \ + { \ + .offset = (a) - 0x20, \ + .dmars = (a) - 0x20 + 0x40, \ + .chclr_bit = (b), \ + .chclr_offset = 0x80 - 0x20, \ + } + +static const struct sh_dmae_channel dma_channels[] = { + DMAE_CHANNEL(0x8000, 0), + DMAE_CHANNEL(0x8080, 1), + DMAE_CHANNEL(0x8100, 2), + DMAE_CHANNEL(0x8180, 3), + DMAE_CHANNEL(0x8200, 4), + DMAE_CHANNEL(0x8280, 5), + DMAE_CHANNEL(0x8300, 6), + DMAE_CHANNEL(0x8380, 7), + DMAE_CHANNEL(0x8400, 8), + DMAE_CHANNEL(0x8480, 9), + DMAE_CHANNEL(0x8500, 10), + DMAE_CHANNEL(0x8580, 11), + DMAE_CHANNEL(0x8600, 12), + DMAE_CHANNEL(0x8680, 13), + DMAE_CHANNEL(0x8700, 14), + DMAE_CHANNEL(0x8780, 15), + DMAE_CHANNEL(0x8800, 16), + DMAE_CHANNEL(0x8880, 17), + DMAE_CHANNEL(0x8900, 18), + DMAE_CHANNEL(0x8980, 19), +}; + +static const struct sh_dmae_pdata dma_pdata = { + .slave = dma_slaves, + .slave_num = ARRAY_SIZE(dma_slaves), + .channel = dma_channels, + .channel_num = ARRAY_SIZE(dma_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, + .chclr_bitwise = 1, +}; + +static struct resource dma_resources[] = { + DEFINE_RES_MEM(0xe6700020, 0x89e0), + DEFINE_RES_IRQ_NAMED(gic_spi(220), "error_irq"), + { + /* IRQ for channels 0-19 */ + .start = gic_spi(200), + .end = gic_spi(219), + .flags = IORESOURCE_IRQ, + }, +}; + +#define r8a73a4_register_dmac() \ + platform_device_register_resndata(&platform_bus, "sh-dma-engine", 0, \ + dma_resources, ARRAY_SIZE(dma_resources), \ + &dma_pdata, sizeof(dma_pdata)) + void __init r8a73a4_add_standard_devices(void) { r8a73a4_add_dt_devices(); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); + r8a73a4_register_dmac(); } -void __init r8a73a4_init_delay(void) +void __init r8a73a4_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1500, 2, 4); /* Cortex-A15 @ 1500MHz */ @@ -222,7 +313,7 @@ static const char *r8a73a4_boards_compat_dt[] __initdata = { }; DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") - .init_early = r8a73a4_init_delay, + .init_early = r8a73a4_init_early, .dt_compat = r8a73a4_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 6a2657ebd19..16d49aa8b5d 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -95,29 +96,46 @@ static struct sh_timer_config sh_tmu1_platform_data __initdata = { &sh_tmu##idx##_platform_data, \ sizeof(sh_tmu##idx##_platform_data)) -/* USB */ -static struct usb_phy *phy; +int r8a7778_usb_phy_power(bool enable) +{ + static struct usb_phy *phy = NULL; + int ret = 0; + + if (!phy) + phy = usb_get_phy(USB_PHY_TYPE_USB2); + + if (IS_ERR(phy)) { + pr_err("kernel doesn't have usb phy driver\n"); + return PTR_ERR(phy); + } + + if (enable) + ret = usb_phy_init(phy); + else + usb_phy_shutdown(phy); + return ret; +} + +/* USB */ static int usb_power_on(struct platform_device *pdev) { - if (IS_ERR(phy)) - return PTR_ERR(phy); + int ret = r8a7778_usb_phy_power(true); + + if (ret) + return ret; pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - usb_phy_init(phy); - return 0; } static void usb_power_off(struct platform_device *pdev) { - if (IS_ERR(phy)) + if (r8a7778_usb_phy_power(false)) return; - usb_phy_shutdown(phy); - pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -339,6 +357,88 @@ void __init r8a7778_add_dt_devices(void) r8a7778_register_tmu(1); } +/* HPB-DMA */ + +/* Asynchronous mode register (ASYNCMDR) bits */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 39, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x7b), 5, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7778_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + void __init r8a7778_add_standard_devices(void) { r8a7778_add_dt_devices(); @@ -349,12 +449,12 @@ void __init r8a7778_add_standard_devices(void) r8a7778_register_hspi(0); r8a7778_register_hspi(1); r8a7778_register_hspi(2); + + r8a7778_register_hpb_dmae(); } void __init r8a7778_init_late(void) { - phy = usb_get_phy(USB_PHY_TYPE_USB2); - platform_device_register_full(&ehci_info); platform_device_register_full(&ohci_info); } @@ -376,7 +476,7 @@ static struct resource irqpin_resources[] __initdata = { DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */ }; -void __init r8a7778_init_irq_extpin(int irlm) +void __init r8a7778_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); unsigned long tmp; @@ -394,7 +494,11 @@ void __init r8a7778_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7778_init_irq_extpin(int irlm) +{ + r8a7778_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c index ecd0148ee1e..13049e9d691 100644 --- a/arch/arm/mach-shmobile/setup-r8a7779.c +++ b/arch/arm/mach-shmobile/setup-r8a7779.c @@ -25,6 +25,7 @@ #include <linux/irqchip.h> #include <linux/irqchip/arm-gic.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -97,7 +98,7 @@ static struct resource irqpin0_resources[] __initdata = { DEFINE_RES_IRQ(gic_spi(30)), /* IRQ3 */ }; -void __init r8a7779_init_irq_extpin(int irlm) +void __init r8a7779_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); u32 tmp; @@ -115,7 +116,11 @@ void __init r8a7779_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7779_init_irq_extpin(int irlm) +{ + r8a7779_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, @@ -632,6 +637,158 @@ static struct platform_device_info *vin_info_table[] __initdata = { &vin3_info, }; +/* HPB-DMA */ + +/* Asynchronous mode register bits */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MASK BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_SINGLE BIT(23) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD43_MULTI 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_MASK BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_BURST BIT(22) /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD43_NBURST 0 /* MMC1 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MASK BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_SINGLE BIT(21) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD24_MULTI 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_MASK BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_BURST BIT(20) /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD24_NBURST 0 /* MMC0 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MASK BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_SINGLE BIT(19) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD41_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_MASK BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_BURST BIT(18) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD41_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MASK BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_SINGLE BIT(17) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD40_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_MASK BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_BURST BIT(16) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD40_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MASK BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_SINGLE BIT(15) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD39_MULTI 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_MASK BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_BURST BIT(14) /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD39_NBURST 0 /* SDHI3 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MASK BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_SINGLE BIT(13) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD27_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_MASK BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_BURST BIT(12) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD27_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MASK BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_SINGLE BIT(11) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD26_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_MASK BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_BURST BIT(10) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD26_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MASK BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_SINGLE BIT(9) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD25_MULTI 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_MASK BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_BURST BIT(8) /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD25_NBURST 0 /* SDHI2 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MASK BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_SINGLE BIT(7) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD23_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_MASK BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_BURST BIT(6) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD23_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(5) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_MASK BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_BURST BIT(4) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(3) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_BURST BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MASK BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_SINGLE BIT(1) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASMD20_MULTI 0 /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_MASK BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_BURST BIT(0) /* SDHI1 */ +#define HPB_DMAE_ASYNCMDR_ASBTMD20_NBURST 0 /* SDHI1 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD21_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_SINGLE | + HPB_DMAE_ASYNCMDR_ASBTMD22_NBURST, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK | + HPB_DMAE_ASYNCMDR_ASBTMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x93, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 44, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x8e), 12, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7779_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + static struct platform_device *r8a7779_devices_dt[] __initdata = { &scif0_device, &scif1_device, @@ -665,6 +822,7 @@ void __init r8a7779_add_standard_devices(void) ARRAY_SIZE(r8a7779_devices_dt)); platform_add_devices(r8a7779_standard_devices, ARRAY_SIZE(r8a7779_standard_devices)); + r8a7779_register_hpb_dmae(); } void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata) diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index d0f5c9f9349..c47bcebbcb0 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -18,7 +18,6 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ -#include <linux/clocksource.h> #include <linux/irq.h> #include <linux/kernel.h> #include <linux/of_platform.h> @@ -31,17 +30,18 @@ #include <mach/r8a7790.h> #include <asm/mach/arch.h> -static struct resource pfc_resources[] __initdata = { +static const struct resource pfc_resources[] __initconst = { DEFINE_RES_MEM(0xe6060000, 0x250), }; #define R8A7790_GPIO(idx) \ -static struct resource r8a7790_gpio##idx##_resources[] __initdata = { \ +static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \ DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \ DEFINE_RES_IRQ(gic_spi(4 + (idx))), \ }; \ \ -static struct gpio_rcar_config r8a7790_gpio##idx##_platform_data __initdata = { \ +static const struct gpio_rcar_config \ +r8a7790_gpio##idx##_platform_data __initconst = { \ .gpio_base = 32 * (idx), \ .irq_base = 0, \ .number_of_pins = 32, \ @@ -112,7 +112,7 @@ void __init r8a7790_pinmux_init(void) enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, HSCIF0, HSCIF1 }; -static struct plat_sci_port scif[] __initdata = { +static const struct plat_sci_port scif[] __initconst = { SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ @@ -131,11 +131,11 @@ static inline void r8a7790_register_scif(int idx) sizeof(struct plat_sci_port)); } -static struct renesas_irqc_config irqc0_data __initdata = { +static const struct renesas_irqc_config irqc0_data __initconst = { .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ }; -static struct resource irqc0_resources[] __initdata = { +static const struct resource irqc0_resources[] __initconst = { DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ @@ -150,7 +150,7 @@ static struct resource irqc0_resources[] __initdata = { &irqc##idx##_data, \ sizeof(struct renesas_irqc_config)) -static struct resource thermal_resources[] __initdata = { +static const struct resource thermal_resources[] __initconst = { DEFINE_RES_MEM(0xe61f0000, 0x14), DEFINE_RES_MEM(0xe61f0100, 0x38), DEFINE_RES_IRQ(gic_spi(69)), @@ -161,13 +161,13 @@ static struct resource thermal_resources[] __initdata = { thermal_resources, \ ARRAY_SIZE(thermal_resources)) -static struct sh_timer_config cmt00_platform_data __initdata = { +static const struct sh_timer_config cmt00_platform_data __initconst = { .name = "CMT00", .timer_bit = 0, .clockevent_rating = 80, }; -static struct resource cmt00_resources[] __initdata = { +static const struct resource cmt00_resources[] __initconst = { DEFINE_RES_MEM(0xffca0510, 0x0c), DEFINE_RES_MEM(0xffca0500, 0x04), DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ @@ -202,72 +202,7 @@ void __init r8a7790_add_standard_devices(void) r8a7790_register_thermal(); } -#define MODEMR 0xe6160060 - -u32 __init r8a7790_read_mode_pins(void) -{ - void __iomem *modemr = ioremap_nocache(MODEMR, 4); - u32 mode; - - BUG_ON(!modemr); - mode = ioread32(modemr); - iounmap(modemr); - - return mode; -} - -#define CNTCR 0 -#define CNTFID0 0x20 - -void __init r8a7790_timer_init(void) -{ -#ifdef CONFIG_ARM_ARCH_TIMER - u32 mode = r8a7790_read_mode_pins(); - void __iomem *base; - int extal_mhz = 0; - u32 freq; - - /* At Linux boot time the r8a7790 arch timer comes up - * with the counter disabled. Moreover, it may also report - * a potentially incorrect fixed 13 MHz frequency. To be - * correct these registers need to be updated to use the - * frequency EXTAL / 2 which can be determined by the MD pins. - */ - - switch (mode & (MD(14) | MD(13))) { - case 0: - extal_mhz = 15; - break; - case MD(13): - extal_mhz = 20; - break; - case MD(14): - extal_mhz = 26; - break; - case MD(13) | MD(14): - extal_mhz = 30; - break; - } - - /* The arch timer frequency equals EXTAL / 2 */ - freq = extal_mhz * (1000000 / 2); - - /* Remap "armgcnt address map" space */ - base = ioremap(0xe6080000, PAGE_SIZE); - - /* Update registers with correct frequency */ - iowrite32(freq, base + CNTFID0); - asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); - - /* make sure arch timer is started by setting bit 0 of CNTCR */ - iowrite32(1, base + CNTCR); - iounmap(base); -#endif /* CONFIG_ARM_ARCH_TIMER */ - - clocksource_of_init(); -} - -void __init r8a7790_init_delay(void) +void __init r8a7790_init_early(void) { #ifndef CONFIG_ARM_ARCH_TIMER shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ @@ -276,14 +211,15 @@ void __init r8a7790_init_delay(void) #ifdef CONFIG_USE_OF -static const char *r8a7790_boards_compat_dt[] __initdata = { +static const char * const r8a7790_boards_compat_dt[] __initconst = { "renesas,r8a7790", NULL, }; DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") - .init_early = r8a7790_init_delay, - .init_time = r8a7790_timer_init, + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, .dt_compat = r8a7790_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-r8a7791.c b/arch/arm/mach-shmobile/setup-r8a7791.c new file mode 100644 index 00000000000..d9393d61ee2 --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7791.c @@ -0,0 +1,184 @@ +/* + * r8a7791 processor support + * + * Copyright (C) 2013 Renesas Electronics Corporation + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/platform_data/irq-renesas-irqc.h> +#include <linux/serial_sci.h> +#include <linux/sh_timer.h> +#include <mach/common.h> +#include <mach/irqs.h> +#include <mach/r8a7791.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define HSCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_HSCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_6, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1, + SCIF2, SCIF3, SCIF4, SCIF5, SCIFA3, SCIFA4, SCIFA5 }; + +static const struct plat_sci_port scif[] __initconst = { + SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */ + SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */ + SCIFB_DATA(SCIFB0, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFA_DATA(SCIFA2, 0xe6c60000, gic_spi(151)), /* SCIFA2 */ + SCIF_DATA(SCIF0, 0xe6e60000, gic_spi(152)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe6e68000, gic_spi(153)), /* SCIF1 */ + SCIF_DATA(SCIF2, 0xe6e58000, gic_spi(22)), /* SCIF2 */ + SCIF_DATA(SCIF3, 0xe6ea8000, gic_spi(23)), /* SCIF3 */ + SCIF_DATA(SCIF4, 0xe6ee0000, gic_spi(24)), /* SCIF4 */ + SCIF_DATA(SCIF5, 0xe6ee8000, gic_spi(25)), /* SCIF5 */ + SCIFA_DATA(SCIFA3, 0xe6c70000, gic_spi(29)), /* SCIFA3 */ + SCIFA_DATA(SCIFA4, 0xe6c78000, gic_spi(30)), /* SCIFA4 */ + SCIFA_DATA(SCIFA5, 0xe6c80000, gic_spi(31)), /* SCIFA5 */ +}; + +static inline void r8a7791_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + +static const struct sh_timer_config cmt00_platform_data __initconst = { + .name = "CMT00", + .timer_bit = 0, + .clockevent_rating = 80, +}; + +static const struct resource cmt00_resources[] __initconst = { + DEFINE_RES_MEM(0xffca0510, 0x0c), + DEFINE_RES_MEM(0xffca0500, 0x04), + DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */ +}; + +#define r8a7791_register_cmt(idx) \ + platform_device_register_resndata(&platform_bus, "sh_cmt", \ + idx, cmt##idx##_resources, \ + ARRAY_SIZE(cmt##idx##_resources), \ + &cmt##idx##_platform_data, \ + sizeof(struct sh_timer_config)) + +static struct renesas_irqc_config irqc0_data = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ9 */ +}; + +static struct resource irqc0_resources[] = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ + DEFINE_RES_IRQ(gic_spi(12)), /* IRQ4 */ + DEFINE_RES_IRQ(gic_spi(13)), /* IRQ5 */ + DEFINE_RES_IRQ(gic_spi(14)), /* IRQ6 */ + DEFINE_RES_IRQ(gic_spi(15)), /* IRQ7 */ + DEFINE_RES_IRQ(gic_spi(16)), /* IRQ8 */ + DEFINE_RES_IRQ(gic_spi(17)), /* IRQ9 */ +}; + +#define r8a7791_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +void __init r8a7791_add_dt_devices(void) +{ + r8a7791_register_scif(SCIFA0); + r8a7791_register_scif(SCIFA1); + r8a7791_register_scif(SCIFB0); + r8a7791_register_scif(SCIFB1); + r8a7791_register_scif(SCIFB2); + r8a7791_register_scif(SCIFA2); + r8a7791_register_scif(SCIF0); + r8a7791_register_scif(SCIF1); + r8a7791_register_scif(SCIF2); + r8a7791_register_scif(SCIF3); + r8a7791_register_scif(SCIF4); + r8a7791_register_scif(SCIF5); + r8a7791_register_scif(SCIFA3); + r8a7791_register_scif(SCIFA4); + r8a7791_register_scif(SCIFA5); + r8a7791_register_cmt(00); +} + +void __init r8a7791_add_standard_devices(void) +{ + r8a7791_add_dt_devices(); + r8a7791_register_irqc(0); +} + +void __init r8a7791_init_early(void) +{ +#ifndef CONFIG_ARM_ARCH_TIMER + shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ +#endif +} + +#ifdef CONFIG_USE_OF +static const char *r8a7791_boards_compat_dt[] __initdata = { + "renesas,r8a7791", + NULL, +}; + +DT_MACHINE_START(R8A7791_DT, "Generic R8A7791 (Flattened Device Tree)") + .smp = smp_ops(r8a7791_smp_ops), + .init_early = r8a7791_init_early, + .init_time = rcar_gen2_timer_init, + .dt_compat = r8a7791_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ diff --git a/arch/arm/mach-shmobile/setup-rcar-gen2.c b/arch/arm/mach-shmobile/setup-rcar-gen2.c new file mode 100644 index 00000000000..5734c24bf6c --- /dev/null +++ b/arch/arm/mach-shmobile/setup-rcar-gen2.c @@ -0,0 +1,91 @@ +/* + * R-Car Generation 2 support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/clocksource.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <mach/common.h> +#include <mach/rcar-gen2.h> +#include <asm/mach/arch.h> + +#define MODEMR 0xe6160060 + +u32 __init rcar_gen2_read_mode_pins(void) +{ + void __iomem *modemr = ioremap_nocache(MODEMR, 4); + u32 mode; + + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + + return mode; +} + +#define CNTCR 0 +#define CNTFID0 0x20 + +void __init rcar_gen2_timer_init(void) +{ +#ifdef CONFIG_ARM_ARCH_TIMER + u32 mode = rcar_gen2_read_mode_pins(); + void __iomem *base; + int extal_mhz = 0; + u32 freq; + + /* At Linux boot time the r8a7790 arch timer comes up + * with the counter disabled. Moreover, it may also report + * a potentially incorrect fixed 13 MHz frequency. To be + * correct these registers need to be updated to use the + * frequency EXTAL / 2 which can be determined by the MD pins. + */ + + switch (mode & (MD(14) | MD(13))) { + case 0: + extal_mhz = 15; + break; + case MD(13): + extal_mhz = 20; + break; + case MD(14): + extal_mhz = 26; + break; + case MD(13) | MD(14): + extal_mhz = 30; + break; + } + + /* The arch timer frequency equals EXTAL / 2 */ + freq = extal_mhz * (1000000 / 2); + + /* Remap "armgcnt address map" space */ + base = ioremap(0xe6080000, PAGE_SIZE); + + /* Update registers with correct frequency */ + iowrite32(freq, base + CNTFID0); + asm volatile("mcr p15, 0, %0, c14, c0, 0" : : "r" (freq)); + + /* make sure arch timer is started by setting bit 0 of CNTCR */ + iowrite32(1, base + CNTCR); + iounmap(base); +#endif /* CONFIG_ARM_ARCH_TIMER */ + + clocksource_of_init(); +} diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c index 522de5ebb55..f2ca92308f7 100644 --- a/arch/arm/mach-shmobile/smp-emev2.c +++ b/arch/arm/mach-shmobile/smp-emev2.c @@ -34,12 +34,6 @@ static int emev2_boot_secondary(unsigned int cpu, struct task_struct *idle) { - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - arch_send_wakeup_ipi_mask(cpumask_of(cpu_logical_map(cpu))); return 0; } diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c index 0f05e9fb722..627c1f0d947 100644 --- a/arch/arm/mach-shmobile/smp-r8a7779.c +++ b/arch/arm/mach-shmobile/smp-r8a7779.c @@ -87,10 +87,6 @@ static int r8a7779_boot_secondary(unsigned int cpu, struct task_struct *idle) unsigned int lcpu = cpu_logical_map(cpu); int ret; - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; - if (lcpu < ARRAY_SIZE(r8a7779_ch_cpu)) ch = r8a7779_ch_cpu[lcpu]; diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c new file mode 100644 index 00000000000..015e2753de1 --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7790.c @@ -0,0 +1,67 @@ +/* + * SMP support for r8a7790 + * + * Copyright (C) 2012-2013 Renesas Solutions Corp. + * Copyright (C) 2012 Takashi Yoshii <takashi.yoshii.ze@renesas.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA7BAR 0x0030 +#define CA15RESCNT 0x0040 +#define CA7RESCNT 0x0044 +#define MERAM 0xe8080000 + +static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* MERAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(MERAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (MERAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar, p + CA7BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA7BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + writel_relaxed((readl_relaxed(p + CA7RESCNT) & ~0x0f) | 0x5a5a0000, + p + CA7RESCNT); + iounmap(p); +} + +struct smp_operations r8a7790_smp_ops __initdata = { + .smp_prepare_cpus = r8a7790_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-r8a7791.c b/arch/arm/mach-shmobile/smp-r8a7791.c new file mode 100644 index 00000000000..2df5bd190fe --- /dev/null +++ b/arch/arm/mach-shmobile/smp-r8a7791.c @@ -0,0 +1,62 @@ +/* + * SMP support for r8a7791 + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/io.h> +#include <asm/smp_plat.h> +#include <mach/common.h> +#include <mach/r8a7791.h> + +#define RST 0xe6160000 +#define CA15BAR 0x0020 +#define CA15RESCNT 0x0040 +#define RAM 0xe6300000 + +static void __init r8a7791_smp_prepare_cpus(unsigned int max_cpus) +{ + void __iomem *p; + u32 bar; + + /* let APMU code install data related to shmobile_boot_vector */ + shmobile_smp_apmu_prepare_cpus(max_cpus); + + /* RAM for jump stub, because BAR requires 256KB aligned address */ + p = ioremap_nocache(RAM, shmobile_boot_size); + memcpy_toio(p, shmobile_boot_vector, shmobile_boot_size); + iounmap(p); + + /* setup reset vectors */ + p = ioremap_nocache(RST, 0x63); + bar = (RAM >> 8) & 0xfffffc00; + writel_relaxed(bar, p + CA15BAR); + writel_relaxed(bar | 0x10, p + CA15BAR); + + /* enable clocks to all CPUs */ + writel_relaxed((readl_relaxed(p + CA15RESCNT) & ~0x0f) | 0xa5a50000, + p + CA15RESCNT); + iounmap(p); +} + +struct smp_operations r8a7791_smp_ops __initdata = { + .smp_prepare_cpus = r8a7791_smp_prepare_cpus, + .smp_boot_secondary = shmobile_smp_apmu_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_disable = shmobile_smp_cpu_disable, + .cpu_die = shmobile_smp_apmu_cpu_die, + .cpu_kill = shmobile_smp_apmu_cpu_kill, +#endif +}; diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c index 0baa2444379..13ba36a6831 100644 --- a/arch/arm/mach-shmobile/smp-sh73a0.c +++ b/arch/arm/mach-shmobile/smp-sh73a0.c @@ -46,11 +46,6 @@ void __init sh73a0_register_twd(void) static int sh73a0_boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned int lcpu = cpu_logical_map(cpu); - int ret; - - ret = shmobile_smp_scu_boot_secondary(cpu, idle); - if (ret) - return ret; if (((__raw_readl(PSTR) >> (4 * lcpu)) & 3) == 3) __raw_writel(1 << lcpu, WUPCR); /* wake up */ @@ -71,18 +66,11 @@ static void __init sh73a0_smp_prepare_cpus(unsigned int max_cpus) shmobile_smp_scu_prepare_cpus(max_cpus); } -#ifdef CONFIG_HOTPLUG_CPU -static int sh73a0_cpu_disable(unsigned int cpu) -{ - return 0; /* CPU0 and CPU1 supported */ -} -#endif /* CONFIG_HOTPLUG_CPU */ - struct smp_operations sh73a0_smp_ops __initdata = { .smp_prepare_cpus = sh73a0_smp_prepare_cpus, .smp_boot_secondary = sh73a0_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU - .cpu_disable = sh73a0_cpu_disable, + .cpu_disable = shmobile_smp_cpu_disable, .cpu_die = shmobile_smp_scu_cpu_die, .cpu_kill = shmobile_smp_scu_cpu_kill, #endif diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index 4fb1f03a10d..335beb34135 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -87,8 +87,12 @@ IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK) #endif #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) +# define soc_is_s3c6400() is_samsung_s3c6400() +# define soc_is_s3c6410() is_samsung_s3c6410() # define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410()) #else +# define soc_is_s3c6400() 0 +# define soc_is_s3c6410() 0 # define soc_is_s3c64xx() 0 #endif diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile index 3413380086d..8eb4799237f 100644 --- a/drivers/clk/samsung/Makefile +++ b/drivers/clk/samsung/Makefile @@ -8,6 +8,4 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o -ifdef CONFIG_COMMON_CLK obj-$(CONFIG_ARCH_S3C64XX) += clk-s3c64xx.o -endif diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index f238cfd3384..56fe803adcb 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -195,7 +195,7 @@ config SIRF_DMA config TI_EDMA bool "TI EDMA support" - depends on ARCH_DAVINCI || ARCH_OMAP + depends on ARCH_DAVINCI || ARCH_OMAP || ARCH_KEYSTONE select DMA_ENGINE select DMA_VIRTUAL_CHANNELS select TI_PRIV_EDMA diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c index 4919afa4125..1adff32e40e 100644 --- a/drivers/usb/host/ohci-s3c2410.c +++ b/drivers/usb/host/ohci-s3c2410.c @@ -47,10 +47,10 @@ static void s3c2410_start_hc(struct platform_device *dev, struct usb_hcd *hcd) dev_dbg(&dev->dev, "s3c2410_start_hc:\n"); - clk_enable(usb_clk); + clk_prepare_enable(usb_clk); mdelay(2); /* let the bus clock stabilise */ - clk_enable(clk); + clk_prepare_enable(clk); if (info != NULL) { info->hcd = hcd; @@ -75,8 +75,8 @@ static void s3c2410_stop_hc(struct platform_device *dev) (info->enable_oc)(info, 0); } - clk_disable(clk); - clk_disable(usb_clk); + clk_disable_unprepare(clk); + clk_disable_unprepare(usb_clk); } /* ohci_s3c2410_hub_status_data |