diff options
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r-- | arch/arm/mach-exynos/Kconfig | 36 | ||||
-rw-r--r-- | arch/arm/mach-exynos/Makefile | 8 | ||||
-rw-r--r-- | arch/arm/mach-exynos/clock.c | 302 | ||||
-rw-r--r-- | arch/arm/mach-exynos/common.c | 68 | ||||
-rw-r--r-- | arch/arm/mach-exynos/dev-ohci.c | 52 | ||||
-rw-r--r-- | arch/arm/mach-exynos/dma.c | 229 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/cpufreq.h | 34 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/irqs.h | 11 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/map.h | 8 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/ohci.h | 21 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/spi-clocks.h | 16 | ||||
-rw-r--r-- | arch/arm/mach-exynos/mach-exynos4-dt.c | 85 | ||||
-rw-r--r-- | arch/arm/mach-exynos/mach-nuri.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-exynos/mach-origen.c | 13 | ||||
-rw-r--r-- | arch/arm/mach-exynos/mach-smdkv310.c | 17 | ||||
-rw-r--r-- | arch/arm/mach-exynos/mach-universal_c210.c | 10 | ||||
-rw-r--r-- | arch/arm/mach-exynos/pm.c | 34 | ||||
-rw-r--r-- | arch/arm/mach-exynos/setup-sdhci.c | 22 | ||||
-rw-r--r-- | arch/arm/mach-exynos/setup-spi.c | 72 | ||||
-rw-r--r-- | arch/arm/mach-exynos/setup-usb-phy.c | 15 |
20 files changed, 674 insertions, 388 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index e1efbca2a53..5d602f68a0e 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -59,6 +59,11 @@ config EXYNOS4_MCT help Use MCT (Multi Core Timer) as kernel timers +config EXYNOS4_DEV_DMA + bool + help + Compile in amba device definitions for DMA controller + config EXYNOS4_DEV_AHCI bool help @@ -84,6 +89,11 @@ config EXYNOS4_DEV_DWMCI help Compile in platform device definitions for DWMCI +config EXYNOS4_DEV_USB_OHCI + bool + help + Compile in platform device definition for USB OHCI + config EXYNOS4_SETUP_I2C1 bool help @@ -145,6 +155,11 @@ config EXYNOS4_SETUP_USB_PHY help Common setup code for USB PHY controller +config EXYNOS4_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations. + # machine support if ARCH_EXYNOS4 @@ -179,8 +194,10 @@ config MACH_SMDKV310 select SAMSUNG_DEV_BACKLIGHT select EXYNOS4_DEV_AHCI select SAMSUNG_DEV_KEYPAD + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_PD select SAMSUNG_DEV_PWM + select EXYNOS4_DEV_USB_OHCI select EXYNOS4_DEV_SYSMMU select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 @@ -199,6 +216,7 @@ config MACH_ARMLEX4210 select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 select EXYNOS4_DEV_AHCI + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_SYSMMU select EXYNOS4_SETUP_SDHCI help @@ -224,6 +242,7 @@ config MACH_UNIVERSAL_C210 select S5P_DEV_MFC select S5P_DEV_ONENAND select S5P_DEV_TV + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_PD select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 @@ -257,6 +276,7 @@ config MACH_NURI select S5P_DEV_MFC select S5P_DEV_USB_EHCI select S5P_SETUP_MIPIPHY + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_PD select EXYNOS4_SETUP_FIMC select EXYNOS4_SETUP_FIMD0 @@ -289,7 +309,9 @@ config MACH_ORIGEN select S5P_DEV_USB_EHCI select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM + select EXYNOS4_DEV_DMA select EXYNOS4_DEV_PD + select EXYNOS4_DEV_USB_OHCI select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_SDHCI select EXYNOS4_SETUP_USB_PHY @@ -329,6 +351,20 @@ config MACH_SMDK4412 Machine support for Samsung SMDK4412 endif +comment "Flattened Device Tree based board for Exynos4 based SoC" + +config MACH_EXYNOS4_DT + bool "Samsung Exynos4 Machine using device tree" + select CPU_EXYNOS4210 + select USE_OF + select ARM_AMBA + select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD + help + Machine support for Samsung Exynos4 machine with device tree enabled. + Select this if a fdt blob is available for the Exynos4 SoC based board. + Note: This is under development and not all peripherals can be supported + with this machine file. + if ARCH_EXYNOS4 comment "Configuration for HSMMC 8-bit bus width" diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index bcb9efc576e..5fc202cdfdb 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -19,7 +19,7 @@ obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o obj-$(CONFIG_PM) += pm.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o -obj-$(CONFIG_ARCH_EXYNOS4) += dma.o pmu.o +obj-$(CONFIG_ARCH_EXYNOS4) += pmu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o @@ -39,6 +39,8 @@ obj-$(CONFIG_MACH_ORIGEN) += mach-origen.o obj-$(CONFIG_MACH_SMDK4212) += mach-smdk4x12.o obj-$(CONFIG_MACH_SMDK4412) += mach-smdk4x12.o +obj-$(CONFIG_MACH_EXYNOS4_DT) += mach-exynos4-dt.o + # device support obj-$(CONFIG_ARCH_EXYNOS4) += dev-audio.o @@ -46,6 +48,8 @@ obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o +obj-$(CONFIG_EXYNOS4_DEV_DMA) += dma.o +obj-$(CONFIG_EXYNOS4_DEV_USB_OHCI) += dev-ohci.o obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o @@ -58,6 +62,6 @@ obj-$(CONFIG_EXYNOS4_SETUP_I2C5) += setup-i2c5.o obj-$(CONFIG_EXYNOS4_SETUP_I2C6) += setup-i2c6.o obj-$(CONFIG_EXYNOS4_SETUP_I2C7) += setup-i2c7.o obj-$(CONFIG_EXYNOS4_SETUP_KEYPAD) += setup-keypad.o -obj-$(CONFIG_EXYNOS4_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o obj-$(CONFIG_EXYNOS4_SETUP_USB_PHY) += setup-usb-phy.o +obj-$(CONFIG_EXYNOS4_SETUP_SPI) += setup-spi.o diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c index 83616a039b1..5a8c42e9000 100644 --- a/arch/arm/mach-exynos/clock.c +++ b/arch/arm/mach-exynos/clock.c @@ -554,16 +554,6 @@ static struct clk init_clocks_off[] = { .enable = exynos4_clk_dac_ctrl, .ctrlbit = (1 << 0), }, { - .name = "dma", - .devname = "dma-pl330.0", - .enable = exynos4_clk_ip_fsys_ctrl, - .ctrlbit = (1 << 0), - }, { - .name = "dma", - .devname = "dma-pl330.1", - .enable = exynos4_clk_ip_fsys_ctrl, - .ctrlbit = (1 << 1), - }, { .name = "adc", .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 15), @@ -779,6 +769,20 @@ static struct clk init_clocks[] = { } }; +static struct clk clk_pdma0 = { + .name = "dma", + .devname = "dma-pl330.0", + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 0), +}; + +static struct clk clk_pdma1 = { + .name = "dma", + .devname = "dma-pl330.1", + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 1), +}; + struct clk *clkset_group_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_xusbxti, @@ -1010,46 +1014,6 @@ static struct clksrc_clk clk_dout_mmc4 = { static struct clksrc_clk clksrcs[] = { { - .clk = { - .name = "uclk1", - .devname = "s5pv210-uart.0", - .enable = exynos4_clksrc_mask_peril0_ctrl, - .ctrlbit = (1 << 0), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "uclk1", - .devname = "s5pv210-uart.1", - .enable = exynos4_clksrc_mask_peril0_ctrl, - .ctrlbit = (1 << 4), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 }, - }, { - .clk = { - .name = "uclk1", - .devname = "s5pv210-uart.2", - .enable = exynos4_clksrc_mask_peril0_ctrl, - .ctrlbit = (1 << 8), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 }, - }, { - .clk = { - .name = "uclk1", - .devname = "s5pv210-uart.3", - .enable = exynos4_clksrc_mask_peril0_ctrl, - .ctrlbit = (1 << 12), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 }, - }, { .clk = { .name = "sclk_pwm", .enable = exynos4_clksrc_mask_peril0_ctrl, @@ -1148,36 +1112,6 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 }, }, { .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.0", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 16), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.1", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 20), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 }, - }, { - .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.2", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 24), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 }, - }, { - .clk = { .name = "sclk_fimg2d", }, .sources = &clkset_mout_g2d, @@ -1193,42 +1127,6 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_MFC, .shift = 0, .size = 4 }, }, { .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.0", - .parent = &clk_dout_mmc0.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 0), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.1", - .parent = &clk_dout_mmc1.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 4), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.2", - .parent = &clk_dout_mmc2.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 8), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.3", - .parent = &clk_dout_mmc3.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 12), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 }, - }, { - .clk = { .name = "sclk_dwmmc", .parent = &clk_dout_mmc4.clk, .enable = exynos4_clksrc_mask_fsys_ctrl, @@ -1238,6 +1136,134 @@ static struct clksrc_clk clksrcs[] = { } }; +static struct clksrc_clk clk_sclk_uart0 = { + .clk = { + .name = "uclk1", + .devname = "exynos4210-uart.0", + .enable = exynos4_clksrc_mask_peril0_ctrl, + .ctrlbit = (1 << 0), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_uart1 = { + .clk = { + .name = "uclk1", + .devname = "exynos4210-uart.1", + .enable = exynos4_clksrc_mask_peril0_ctrl, + .ctrlbit = (1 << 4), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_uart2 = { + .clk = { + .name = "uclk1", + .devname = "exynos4210-uart.2", + .enable = exynos4_clksrc_mask_peril0_ctrl, + .ctrlbit = (1 << 8), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_uart3 = { + .clk = { + .name = "uclk1", + .devname = "exynos4210-uart.3", + .enable = exynos4_clksrc_mask_peril0_ctrl, + .ctrlbit = (1 << 12), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_mmc0 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.0", + .parent = &clk_dout_mmc0.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 0), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc1 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.1", + .parent = &clk_dout_mmc1.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 4), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc2 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.2", + .parent = &clk_dout_mmc2.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 8), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc3 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.3", + .parent = &clk_dout_mmc3.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 12), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_spi0 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.0", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 16), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_spi1 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.1", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 20), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_spi2 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.2", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 24), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 }, +}; + /* Clock initialization code */ static struct clksrc_clk *sysclks[] = { &clk_mout_apll, @@ -1272,6 +1298,42 @@ static struct clksrc_clk *sysclks[] = { &clk_mout_mfc1, }; +static struct clk *clk_cdev[] = { + &clk_pdma0, + &clk_pdma1, +}; + +static struct clksrc_clk *clksrc_cdev[] = { + &clk_sclk_uart0, + &clk_sclk_uart1, + &clk_sclk_uart2, + &clk_sclk_uart3, + &clk_sclk_mmc0, + &clk_sclk_mmc1, + &clk_sclk_mmc2, + &clk_sclk_mmc3, + &clk_sclk_spi0, + &clk_sclk_spi1, + &clk_sclk_spi2, + +}; + +static struct clk_lookup exynos4_clk_lookup[] = { + CLKDEV_INIT("exynos4210-uart.0", "clk_uart_baud0", &clk_sclk_uart0.clk), + CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &clk_sclk_uart1.clk), + CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &clk_sclk_uart2.clk), + CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &clk_sclk_uart3.clk), + 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("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk), + CLKDEV_INIT("dma-pl330.0", "apb_pclk", &clk_pdma0), + CLKDEV_INIT("dma-pl330.1", "apb_pclk", &clk_pdma1), + CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &clk_sclk_spi0.clk), + CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &clk_sclk_spi1.clk), + CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &clk_sclk_spi2.clk), +}; + static int xtal_rate; static unsigned long exynos4_fout_apll_get_rate(struct clk *clk) @@ -1479,11 +1541,19 @@ void __init exynos4_register_clocks(void) for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++) s3c_register_clksrc(sclk_tv[ptr], 1); + for (ptr = 0; ptr < ARRAY_SIZE(clksrc_cdev); ptr++) + s3c_register_clksrc(clksrc_cdev[ptr], 1); + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); + s3c24xx_register_clocks(clk_cdev, ARRAY_SIZE(clk_cdev)); + for (ptr = 0; ptr < ARRAY_SIZE(clk_cdev); ptr++) + s3c_disable_clocks(clk_cdev[ptr], 1); + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + clkdev_add_table(exynos4_clk_lookup, ARRAY_SIZE(exynos4_clk_lookup)); register_syscore_ops(&exynos4_clock_syscore_ops); s3c24xx_register_clock(&dummy_apb_pclk); diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c index d2acb0f948c..c59e1887100 100644 --- a/arch/arm/mach-exynos/common.c +++ b/arch/arm/mach-exynos/common.c @@ -13,12 +13,15 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> -#include <linux/sysdev.h> +#include <linux/device.h> #include <linux/gpio.h> #include <linux/sched.h> #include <linux/serial_core.h> +#include <linux/of.h> +#include <linux/of_irq.h> #include <asm/proc-fns.h> +#include <asm/exception.h> #include <asm/hardware/cache-l2x0.h> #include <asm/hardware/gic.h> #include <asm/mach/map.h> @@ -43,8 +46,6 @@ #include "common.h" -unsigned int gic_bank_offset __read_mostly; - static const char name_exynos4210[] = "EXYNOS4210"; static const char name_exynos4212[] = "EXYNOS4212"; static const char name_exynos4412[] = "EXYNOS4412"; @@ -386,27 +387,26 @@ static void __init combiner_init(unsigned int combiner_nr, void __iomem *base, } } -static void exynos4_gic_irq_fix_base(struct irq_data *d) -{ - struct gic_chip_data *gic_data = irq_data_get_irq_chip_data(d); - - gic_data->cpu_base = S5P_VA_GIC_CPU + - (gic_bank_offset * smp_processor_id()); - - gic_data->dist_base = S5P_VA_GIC_DIST + - (gic_bank_offset * smp_processor_id()); -} +#ifdef CONFIG_OF +static const struct of_device_id exynos4_dt_irq_match[] = { + { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, }, + {}, +}; +#endif void __init exynos4_init_irq(void) { int irq; + unsigned int gic_bank_offset; gic_bank_offset = soc_is_exynos4412() ? 0x4000 : 0x8000; - gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU); - gic_arch_extn.irq_eoi = exynos4_gic_irq_fix_base; - gic_arch_extn.irq_unmask = exynos4_gic_irq_fix_base; - gic_arch_extn.irq_mask = exynos4_gic_irq_fix_base; + if (!of_have_populated_dt()) + gic_init_bases(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU, gic_bank_offset); +#ifdef CONFIG_OF + else + of_irq_init(exynos4_dt_irq_match); +#endif for (irq = 0; irq < MAX_COMBINER_NR; irq++) { @@ -423,17 +423,18 @@ void __init exynos4_init_irq(void) s5p_init_irq(NULL, 0); } -struct sysdev_class exynos4_sysclass = { - .name = "exynos4-core", +struct bus_type exynos4_subsys = { + .name = "exynos4-core", + .dev_name = "exynos4-core", }; -static struct sys_device exynos4_sysdev = { - .cls = &exynos4_sysclass, +static struct device exynos4_dev = { + .bus = &exynos4_subsys, }; static int __init exynos4_core_init(void) { - return sysdev_class_register(&exynos4_sysclass); + return subsys_system_register(&exynos4_subsys, NULL); } core_initcall(exynos4_core_init); @@ -470,18 +471,9 @@ int __init exynos_init(void) /* set idle function */ pm_idle = exynos_idle; - return sysdev_register(&exynos4_sysdev); + return device_register(&exynos4_dev); } -static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = { - [0] = { - .name = "uclk1", - .divisor = 1, - .min_baud = 0, - .max_baud = 0, - }, -}; - /* uart registration process */ void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no) @@ -489,16 +481,10 @@ void __init exynos4_init_uarts(struct s3c2410_uartcfg *cfg, int no) struct s3c2410_uartcfg *tcfg = cfg; u32 ucnt; - for (ucnt = 0; ucnt < no; ucnt++, tcfg++) { - if (!tcfg->clocks) { - tcfg->has_fracval = 1; - tcfg->clocks = exynos4_serial_clocks; - tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks); - } - tcfg->flags |= NO_NEED_CHECK_CLKSRC; - } + for (ucnt = 0; ucnt < no; ucnt++, tcfg++) + tcfg->has_fracval = 1; - s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no); + s3c24xx_init_uartdevs("exynos4210-uart", s5p_uart_resources, cfg, no); } static DEFINE_SPINLOCK(eint_lock); diff --git a/arch/arm/mach-exynos/dev-ohci.c b/arch/arm/mach-exynos/dev-ohci.c new file mode 100644 index 00000000000..b8e75300c77 --- /dev/null +++ b/arch/arm/mach-exynos/dev-ohci.c @@ -0,0 +1,52 @@ +/* linux/arch/arm/mach-exynos/dev-ohci.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS - OHCI 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/dma-mapping.h> +#include <linux/platform_device.h> + +#include <mach/irqs.h> +#include <mach/map.h> +#include <mach/ohci.h> + +#include <plat/devs.h> +#include <plat/usb-phy.h> + +static struct resource exynos4_ohci_resource[] = { + [0] = DEFINE_RES_MEM(EXYNOS4_PA_OHCI, SZ_256), + [1] = DEFINE_RES_IRQ(IRQ_USB_HOST), +}; + +static u64 exynos4_ohci_dma_mask = DMA_BIT_MASK(32); + +struct platform_device exynos4_device_ohci = { + .name = "exynos-ohci", + .id = -1, + .num_resources = ARRAY_SIZE(exynos4_ohci_resource), + .resource = exynos4_ohci_resource, + .dev = { + .dma_mask = &exynos4_ohci_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + } +}; + +void __init exynos4_ohci_set_platdata(struct exynos4_ohci_platdata *pd) +{ + struct exynos4_ohci_platdata *npd; + + npd = s3c_set_platdata(pd, sizeof(struct exynos4_ohci_platdata), + &exynos4_device_ohci); + + if (!npd->phy_init) + npd->phy_init = s5p_usb_phy_init; + if (!npd->phy_exit) + npd->phy_exit = s5p_usb_phy_exit; +} diff --git a/arch/arm/mach-exynos/dma.c b/arch/arm/mach-exynos/dma.c index 9667c61e64f..b10fcd270f0 100644 --- a/arch/arm/mach-exynos/dma.c +++ b/arch/arm/mach-exynos/dma.c @@ -24,6 +24,7 @@ #include <linux/dma-mapping.h> #include <linux/amba/bus.h> #include <linux/amba/pl330.h> +#include <linux/of.h> #include <asm/irq.h> #include <plat/devs.h> @@ -35,95 +36,42 @@ static u64 dma_dmamask = DMA_BIT_MASK(32); -struct dma_pl330_peri pdma0_peri[28] = { - { - .peri_id = (u8)DMACH_PCM0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_MSM_REQ0, - }, { - .peri_id = (u8)DMACH_MSM_REQ2, - }, { - .peri_id = (u8)DMACH_SPI0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SPI2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0S_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART4_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART4_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS2_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS2_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS4_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS4_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_AC97_MICIN, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_AC97_PCMIN, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_AC97_PCMOUT, - .rqtype = MEMTODEV, - }, +u8 pdma0_peri[] = { + DMACH_PCM0_RX, + DMACH_PCM0_TX, + DMACH_PCM2_RX, + DMACH_PCM2_TX, + DMACH_MSM_REQ0, + DMACH_MSM_REQ2, + DMACH_SPI0_RX, + DMACH_SPI0_TX, + DMACH_SPI2_RX, + DMACH_SPI2_TX, + DMACH_I2S0S_TX, + DMACH_I2S0_RX, + DMACH_I2S0_TX, + DMACH_I2S2_RX, + DMACH_I2S2_TX, + DMACH_UART0_RX, + DMACH_UART0_TX, + DMACH_UART2_RX, + DMACH_UART2_TX, + DMACH_UART4_RX, + DMACH_UART4_TX, + DMACH_SLIMBUS0_RX, + DMACH_SLIMBUS0_TX, + DMACH_SLIMBUS2_RX, + DMACH_SLIMBUS2_TX, + DMACH_SLIMBUS4_RX, + DMACH_SLIMBUS4_TX, + DMACH_AC97_MICIN, + DMACH_AC97_PCMIN, + DMACH_AC97_PCMOUT, }; struct dma_pl330_platdata exynos4_pdma0_pdata = { .nr_valid_peri = ARRAY_SIZE(pdma0_peri), - .peri = pdma0_peri, + .peri_id = pdma0_peri, }; struct amba_device exynos4_device_pdma0 = { @@ -142,86 +90,37 @@ struct amba_device exynos4_device_pdma0 = { .periphid = 0x00041330, }; -struct dma_pl330_peri pdma1_peri[25] = { - { - .peri_id = (u8)DMACH_PCM0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_PCM1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_PCM1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_MSM_REQ1, - }, { - .peri_id = (u8)DMACH_MSM_REQ3, - }, { - .peri_id = (u8)DMACH_SPI1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SPI1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0S_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_I2S1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_I2S1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART0_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART0_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_UART3_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_UART3_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS1_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS1_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS3_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS3_TX, - .rqtype = MEMTODEV, - }, { - .peri_id = (u8)DMACH_SLIMBUS5_RX, - .rqtype = DEVTOMEM, - }, { - .peri_id = (u8)DMACH_SLIMBUS5_TX, - .rqtype = MEMTODEV, - }, +u8 pdma1_peri[] = { + DMACH_PCM0_RX, + DMACH_PCM0_TX, + DMACH_PCM1_RX, + DMACH_PCM1_TX, + DMACH_MSM_REQ1, + DMACH_MSM_REQ3, + DMACH_SPI1_RX, + DMACH_SPI1_TX, + DMACH_I2S0S_TX, + DMACH_I2S0_RX, + DMACH_I2S0_TX, + DMACH_I2S1_RX, + DMACH_I2S1_TX, + DMACH_UART0_RX, + DMACH_UART0_TX, + DMACH_UART1_RX, + DMACH_UART1_TX, + DMACH_UART3_RX, + DMACH_UART3_TX, + DMACH_SLIMBUS1_RX, + DMACH_SLIMBUS1_TX, + DMACH_SLIMBUS3_RX, + DMACH_SLIMBUS3_TX, + DMACH_SLIMBUS5_RX, + DMACH_SLIMBUS5_TX, }; struct dma_pl330_platdata exynos4_pdma1_pdata = { .nr_valid_peri = ARRAY_SIZE(pdma1_peri), - .peri = pdma1_peri, + .peri_id = pdma1_peri, }; struct amba_device exynos4_device_pdma1 = { @@ -242,7 +141,15 @@ struct amba_device exynos4_device_pdma1 = { static int __init exynos4_dma_init(void) { + if (of_have_populated_dt()) + return 0; + + dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask); + dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask); amba_device_register(&exynos4_device_pdma0, &iomem_resource); + + dma_cap_set(DMA_SLAVE, exynos4_pdma1_pdata.cap_mask); + dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask); amba_device_register(&exynos4_device_pdma1, &iomem_resource); return 0; diff --git a/arch/arm/mach-exynos/include/mach/cpufreq.h b/arch/arm/mach-exynos/include/mach/cpufreq.h new file mode 100644 index 00000000000..3df27f2d503 --- /dev/null +++ b/arch/arm/mach-exynos/include/mach/cpufreq.h @@ -0,0 +1,34 @@ +/* linux/arch/arm/mach-exynos/include/mach/cpufreq.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS - CPUFreq 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. +*/ + +enum cpufreq_level_index { + L0, L1, L2, L3, L4, + L5, L6, L7, L8, L9, + L10, L11, L12, L13, L14, + L15, L16, L17, L18, L19, + L20, +}; + +struct exynos_dvfs_info { + unsigned long mpll_freq_khz; + unsigned int pll_safe_idx; + unsigned int pm_lock_idx; + unsigned int max_support_idx; + unsigned int min_support_idx; + struct clk *cpu_clk; + unsigned int *volt_table; + struct cpufreq_frequency_table *freq_table; + void (*set_freq)(unsigned int, unsigned int); + bool (*need_apll_change)(unsigned int, unsigned int); +}; + +extern int exynos4210_cpufreq_init(struct exynos_dvfs_info *); diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index dfd4b7eecb9..f77bce04789 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -17,13 +17,13 @@ /* PPI: Private Peripheral Interrupt */ -#define IRQ_PPI(x) S5P_IRQ(x+16) +#define IRQ_PPI(x) (x+16) #define IRQ_MCT_LOCALTIMER IRQ_PPI(12) /* SPI: Shared Peripheral Interrupt */ -#define IRQ_SPI(x) S5P_IRQ(x+32) +#define IRQ_SPI(x) (x+32) #define IRQ_EINT0 IRQ_SPI(16) #define IRQ_EINT1 IRQ_SPI(17) @@ -72,6 +72,9 @@ #define IRQ_IIC5 IRQ_SPI(63) #define IRQ_IIC6 IRQ_SPI(64) #define IRQ_IIC7 IRQ_SPI(65) +#define IRQ_SPI0 IRQ_SPI(66) +#define IRQ_SPI1 IRQ_SPI(67) +#define IRQ_SPI2 IRQ_SPI(68) #define IRQ_USB_HOST IRQ_SPI(70) #define IRQ_USB_HSOTG IRQ_SPI(71) @@ -163,7 +166,9 @@ #define IRQ_GPIO2_NR_GROUPS 9 #define IRQ_GPIO_END (S5P_GPIOINT_BASE + S5P_GPIOINT_COUNT) +#define IRQ_TIMER_BASE (IRQ_GPIO_END + 64) + /* Set the default NR_IRQS */ -#define NR_IRQS (IRQ_GPIO_END + 64) +#define NR_IRQS (IRQ_TIMER_BASE + IRQ_TIMER_COUNT) #endif /* __ASM_ARCH_IRQS_H */ diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index d1829860a0e..c754a22a2bb 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -87,6 +87,10 @@ #define EXYNOS4_PA_SYSMMU_TV 0x12E20000 #define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000 #define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000 +#define EXYNOS4_PA_SPI0 0x13920000 +#define EXYNOS4_PA_SPI1 0x13930000 +#define EXYNOS4_PA_SPI2 0x13940000 + #define EXYNOS4_PA_GPIO1 0x11400000 #define EXYNOS4_PA_GPIO2 0x11000000 @@ -107,6 +111,7 @@ #define EXYNOS4_PA_SROMC 0x12570000 #define EXYNOS4_PA_EHCI 0x12580000 +#define EXYNOS4_PA_OHCI 0x12590000 #define EXYNOS4_PA_HSPHY 0x125B0000 #define EXYNOS4_PA_MFC 0x13400000 @@ -148,6 +153,9 @@ #define S3C_PA_RTC EXYNOS4_PA_RTC #define S3C_PA_WDT EXYNOS4_PA_WATCHDOG #define S3C_PA_UART EXYNOS4_PA_UART +#define S3C_PA_SPI0 EXYNOS4_PA_SPI0 +#define S3C_PA_SPI1 EXYNOS4_PA_SPI1 +#define S3C_PA_SPI2 EXYNOS4_PA_SPI2 #define S5P_PA_EHCI EXYNOS4_PA_EHCI #define S5P_PA_FIMC0 EXYNOS4_PA_FIMC0 diff --git a/arch/arm/mach-exynos/include/mach/ohci.h b/arch/arm/mach-exynos/include/mach/ohci.h new file mode 100644 index 00000000000..c256c595be5 --- /dev/null +++ b/arch/arm/mach-exynos/include/mach/ohci.h @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2011 Samsung Electronics Co.Ltd + * http://www.samsung.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; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __MACH_EXYNOS_OHCI_H +#define __MACH_EXYNOS_OHCI_H + +struct exynos4_ohci_platdata { + int (*phy_init)(struct platform_device *pdev, int type); + int (*phy_exit)(struct platform_device *pdev, int type); +}; + +extern void exynos4_ohci_set_platdata(struct exynos4_ohci_platdata *pd); + +#endif /* __MACH_EXYNOS_OHCI_H */ diff --git a/arch/arm/mach-exynos/include/mach/spi-clocks.h b/arch/arm/mach-exynos/include/mach/spi-clocks.h new file mode 100644 index 00000000000..576efdf6d09 --- /dev/null +++ b/arch/arm/mach-exynos/include/mach/spi-clocks.h @@ -0,0 +1,16 @@ +/* linux/arch/arm/mach-exynos4/include/mach/spi-clocks.h + * + * Copyright (C) 2011 Samsung Electronics Co. Ltd. + * + * 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. + */ + +#ifndef __ASM_ARCH_SPI_CLKS_H +#define __ASM_ARCH_SPI_CLKS_H __FILE__ + +/* Must source from SCLK_SPI */ +#define EXYNOS4_SPI_SRCCLK_SCLK 0 + +#endif /* __ASM_ARCH_SPI_CLKS_H */ diff --git a/arch/arm/mach-exynos/mach-exynos4-dt.c b/arch/arm/mach-exynos/mach-exynos4-dt.c new file mode 100644 index 00000000000..85fa02767d6 --- /dev/null +++ b/arch/arm/mach-exynos/mach-exynos4-dt.c @@ -0,0 +1,85 @@ +/* + * Samsung's Exynos4210 flattened device tree enabled machine + * + * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2010-2011 Linaro Ltd. + * www.linaro.org + * + * 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/of_platform.h> +#include <linux/serial_core.h> + +#include <asm/mach/arch.h> +#include <mach/map.h> + +#include <plat/cpu.h> +#include <plat/regs-serial.h> +#include <plat/exynos4.h> + +/* + * The following lookup table is used to override device names when devices + * are registered from device tree. This is temporarily added to enable + * device tree support addition for the Exynos4 architecture. + * + * For drivers that require platform data to be provided from the machine + * file, a platform data pointer can also be supplied along with the + * devices names. Usually, the platform data elements that cannot be parsed + * from the device tree by the drivers (example: function pointers) are + * supplied. But it should be noted that this is a temporary mechanism and + * at some point, the drivers should be capable of parsing all the platform + * data from the device tree. + */ +static const struct of_dev_auxdata exynos4210_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("samsung,exynos4210-uart", S5P_PA_UART0, + "exynos4210-uart.0", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-uart", S5P_PA_UART1, + "exynos4210-uart.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-uart", S5P_PA_UART2, + "exynos4210-uart.2", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-uart", S5P_PA_UART3, + "exynos4210-uart.3", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(0), + "exynos4-sdhci.0", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(1), + "exynos4-sdhci.1", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(2), + "exynos4-sdhci.2", NULL), + OF_DEV_AUXDATA("samsung,exynos4210-sdhci", EXYNOS4_PA_HSMMC(3), + "exynos4-sdhci.3", NULL), + OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(0), + "s3c2440-i2c.0", NULL), + OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA0, "dma-pl330.0", NULL), + OF_DEV_AUXDATA("arm,pl330", EXYNOS4_PA_PDMA1, "dma-pl330.1", NULL), + {}, +}; + +static void __init exynos4210_dt_map_io(void) +{ + s5p_init_io(NULL, 0, S5P_VA_CHIPID); + s3c24xx_init_clocks(24000000); +} + +static void __init exynos4210_dt_machine_init(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, + exynos4210_auxdata_lookup, NULL); +} + +static char const *exynos4210_dt_compat[] __initdata = { + "samsung,exynos4210", + NULL +}; + +DT_MACHINE_START(EXYNOS4210_DT, "Samsung Exynos4 (Flattened Device Tree)") + /* Maintainer: Thomas Abraham <thomas.abraham@linaro.org> */ + .init_irq = exynos4_init_irq, + .map_io = exynos4210_dt_map_io, + .init_machine = exynos4210_dt_machine_init, + .timer = &exynos4_timer, + .dt_compat = exynos4210_dt_compat, +MACHINE_END diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 635fb97e31a..b895ec03110 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -249,13 +249,8 @@ static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power) static int nuri_bl_init(struct device *dev) { - int ret, gpio = EXYNOS4_GPE2(3); - - ret = gpio_request(gpio, "LCD_LDO_EN"); - if (!ret) - gpio_direction_output(gpio, 0); - - return ret; + return gpio_request_one(EXYNOS4_GPE2(3), GPIOF_OUT_INIT_LOW, + "LCD_LD0_EN"); } static int nuri_bl_notify(struct device *dev, int brightness) diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c index 586eb995aa9..2b11e046d39 100644 --- a/arch/arm/mach-exynos/mach-origen.c +++ b/arch/arm/mach-exynos/mach-origen.c @@ -41,6 +41,7 @@ #include <plat/fb.h> #include <plat/mfc.h> +#include <mach/ohci.h> #include <mach/map.h> #include "common.h" @@ -485,6 +486,16 @@ static void __init origen_ehci_init(void) s5p_ehci_set_platdata(pdata); } +/* USB OHCI */ +static struct exynos4_ohci_platdata origen_ohci_pdata; + +static void __init origen_ohci_init(void) +{ + struct exynos4_ohci_platdata *pdata = &origen_ohci_pdata; + + exynos4_ohci_set_platdata(pdata); +} + static struct gpio_keys_button origen_gpio_keys_table[] = { { .code = KEY_MENU, @@ -608,6 +619,7 @@ static struct platform_device *origen_devices[] __initdata = { &s5p_device_mfc_l, &s5p_device_mfc_r, &s5p_device_mixer, + &exynos4_device_ohci, &exynos4_device_pd[PD_LCD0], &exynos4_device_pd[PD_TV], &exynos4_device_pd[PD_G3D], @@ -672,6 +684,7 @@ static void __init origen_machine_init(void) s3c_sdhci0_set_platdata(&origen_hsmmc0_pdata); origen_ehci_init(); + origen_ohci_init(); clk_xusbxti.rate = 24000000; s5p_tv_setup(); diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c index 5b365613b47..b2c5557f50e 100644 --- a/arch/arm/mach-exynos/mach-smdkv310.c +++ b/arch/arm/mach-exynos/mach-smdkv310.c @@ -42,6 +42,7 @@ #include <plat/clock.h> #include <mach/map.h> +#include <mach/ohci.h> #include "common.h" @@ -131,9 +132,7 @@ static void lcd_lte480wv_set_power(struct plat_lcd_data *pd, gpio_free(EXYNOS4_GPD0(1)); #endif /* fire nRESET on power up */ - gpio_request(EXYNOS4_GPX0(6), "GPX0"); - - gpio_direction_output(EXYNOS4_GPX0(6), 1); + gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0"); mdelay(100); gpio_set_value(EXYNOS4_GPX0(6), 0); @@ -247,6 +246,16 @@ static void __init smdkv310_ehci_init(void) s5p_ehci_set_platdata(pdata); } +/* USB OHCI */ +static struct exynos4_ohci_platdata smdkv310_ohci_pdata; + +static void __init smdkv310_ohci_init(void) +{ + struct exynos4_ohci_platdata *pdata = &smdkv310_ohci_pdata; + + exynos4_ohci_set_platdata(pdata); +} + static struct platform_device *smdkv310_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_hsmmc1, @@ -263,6 +272,7 @@ static struct platform_device *smdkv310_devices[] __initdata = { &s5p_device_fimc3, &exynos4_device_ac97, &exynos4_device_i2s0, + &exynos4_device_ohci, &samsung_device_keypad, &s5p_device_mfc, &s5p_device_mfc_l, @@ -365,6 +375,7 @@ static void __init smdkv310_machine_init(void) s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata); smdkv310_ehci_init(); + smdkv310_ohci_init(); clk_xusbxti.rate = 24000000; platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices)); diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index 52aea972746..37ac93e8d6d 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -610,8 +610,7 @@ static void __init universal_tsp_init(void) /* TSP_LDO_ON: XMDMADDR_11 */ gpio = EXYNOS4_GPE2(3); - gpio_request(gpio, "TSP_LDO_ON"); - gpio_direction_output(gpio, 1); + gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON"); gpio_export(gpio, 0); /* TSP_INT: XMDMADDR_7 */ @@ -671,8 +670,7 @@ static void __init universal_touchkey_init(void) i2c_gpio12_devs[0].irq = gpio_to_irq(gpio); gpio = EXYNOS4_GPE3(3); /* XMDMDATA_3 */ - gpio_request(gpio, "3_TOUCH_EN"); - gpio_direction_output(gpio, 1); + gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "3_TOUCH_EN"); } static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = { @@ -1002,9 +1000,7 @@ static void __init universal_map_io(void) void s5p_tv_setup(void) { /* direct HPD to HDMI chip */ - gpio_request(EXYNOS4_GPX3(7), "hpd-plug"); - - gpio_direction_input(EXYNOS4_GPX3(7)); + gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"); s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3)); s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE); diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 509a435afd4..a4f61a43c7b 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -23,6 +23,7 @@ #include <asm/cacheflush.h> #include <asm/hardware/cache-l2x0.h> +#include <asm/smp_scu.h> #include <plat/cpu.h> #include <plat/pm.h> @@ -205,7 +206,7 @@ static void exynos4_pm_prepare(void) } -static int exynos4_pm_add(struct sys_device *sysdev) +static int exynos4_pm_add(struct device *dev) { pm_cpu_prep = exynos4_pm_prepare; pm_cpu_sleep = exynos4_cpu_suspend; @@ -213,27 +214,6 @@ static int exynos4_pm_add(struct sys_device *sysdev) return 0; } -/* This function copy from linux/arch/arm/kernel/smp_scu.c */ - -void exynos4_scu_enable(void __iomem *scu_base) -{ - u32 scu_ctrl; - - scu_ctrl = __raw_readl(scu_base); - /* already enabled? */ - if (scu_ctrl & 1) - return; - - scu_ctrl |= 1; - __raw_writel(scu_ctrl, scu_base); - - /* - * Ensure that the data accessed by CPU0 before the SCU was - * initialised is visible to the other CPUs. - */ - flush_cache_all(); -} - static unsigned long pll_base_rate; static void exynos4_restore_pll(void) @@ -301,8 +281,10 @@ static void exynos4_restore_pll(void) } while (epll_wait || vpll_wait); } -static struct sysdev_driver exynos4_pm_driver = { - .add = exynos4_pm_add, +static struct subsys_interface exynos4_pm_interface = { + .name = "exynos4_pm", + .subsys = &exynos4_subsys, + .add_dev = exynos4_pm_add, }; static __init int exynos4_pm_drvinit(void) @@ -325,7 +307,7 @@ static __init int exynos4_pm_drvinit(void) clk_put(pll_base); } - return sysdev_driver_register(&exynos4_sysclass, &exynos4_pm_driver); + return subsys_interface_register(&exynos4_pm_interface); } arch_initcall(exynos4_pm_drvinit); @@ -402,7 +384,7 @@ static void exynos4_pm_resume(void) exynos4_restore_pll(); - exynos4_scu_enable(S5P_VA_SCU); + scu_enable(S5P_VA_SCU); #ifdef CONFIG_CACHE_L2X0 s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save)); diff --git a/arch/arm/mach-exynos/setup-sdhci.c b/arch/arm/mach-exynos/setup-sdhci.c deleted file mode 100644 index 92937b41090..00000000000 --- a/arch/arm/mach-exynos/setup-sdhci.c +++ /dev/null @@ -1,22 +0,0 @@ -/* linux/arch/arm/mach-exynos4/setup-sdhci.c - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * EXYNOS4 - Helper functions for settign up SDHCI device(s) (HSMMC) - * - * 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/types.h> - -/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ - -char *exynos4_hsmmc_clksrcs[4] = { - [0] = NULL, - [1] = NULL, - [2] = "sclk_mmc", /* mmc_bus */ - [3] = NULL, -}; diff --git a/arch/arm/mach-exynos/setup-spi.c b/arch/arm/mach-exynos/setup-spi.c new file mode 100644 index 00000000000..833ff40ee0e --- /dev/null +++ b/arch/arm/mach-exynos/setup-spi.c @@ -0,0 +1,72 @@ +/* linux/arch/arm/mach-exynos4/setup-spi.c + * + * Copyright (C) 2011 Samsung Electronics Ltd. + * http://www.samsung.com/ + * + * 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/gpio.h> +#include <linux/platform_device.h> + +#include <plat/gpio-cfg.h> +#include <plat/s3c64xx-spi.h> + +#ifdef CONFIG_S3C64XX_DEV_SPI0 +struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { + .fifo_lvl_mask = 0x1ff, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI1 +struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI2 +struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5)); + s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2, + S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP); + return 0; +} +#endif diff --git a/arch/arm/mach-exynos/setup-usb-phy.c b/arch/arm/mach-exynos/setup-usb-phy.c index 39aca045f66..41743d21e8c 100644 --- a/arch/arm/mach-exynos/setup-usb-phy.c +++ b/arch/arm/mach-exynos/setup-usb-phy.c @@ -19,6 +19,13 @@ #include <plat/cpu.h> #include <plat/usb-phy.h> +static atomic_t host_usage; + +static int exynos4_usb_host_phy_is_on(void) +{ + return (readl(EXYNOS4_PHYPWR) & PHY1_STD_ANALOG_POWERDOWN) ? 0 : 1; +} + static int exynos4_usb_phy1_init(struct platform_device *pdev) { struct clk *otg_clk; @@ -27,6 +34,8 @@ static int exynos4_usb_phy1_init(struct platform_device *pdev) u32 rstcon; int err; + atomic_inc(&host_usage); + otg_clk = clk_get(&pdev->dev, "otg"); if (IS_ERR(otg_clk)) { dev_err(&pdev->dev, "Failed to get otg clock\n"); @@ -39,6 +48,9 @@ static int exynos4_usb_phy1_init(struct platform_device *pdev) return err; } + if (exynos4_usb_host_phy_is_on()) + return 0; + writel(readl(S5P_USBHOST_PHY_CONTROL) | S5P_USBHOST_PHY_ENABLE, S5P_USBHOST_PHY_CONTROL); @@ -95,6 +107,9 @@ static int exynos4_usb_phy1_exit(struct platform_device *pdev) struct clk *otg_clk; int err; + if (atomic_dec_return(&host_usage) > 0) + return 0; + otg_clk = clk_get(&pdev->dev, "otg"); if (IS_ERR(otg_clk)) { dev_err(&pdev->dev, "Failed to get otg clock\n"); |