diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/c6x/boot/dts/dsk6455.dts | 62 | ||||
-rw-r--r-- | arch/c6x/boot/dts/evmc6457.dts | 48 | ||||
-rw-r--r-- | arch/c6x/boot/dts/evmc6472.dts | 73 | ||||
-rw-r--r-- | arch/c6x/boot/dts/evmc6474.dts | 58 | ||||
-rw-r--r-- | arch/c6x/boot/dts/tms320c6455.dtsi | 96 | ||||
-rw-r--r-- | arch/c6x/boot/dts/tms320c6457.dtsi | 68 | ||||
-rw-r--r-- | arch/c6x/boot/dts/tms320c6472.dtsi | 134 | ||||
-rw-r--r-- | arch/c6x/boot/dts/tms320c6474.dtsi | 89 | ||||
-rw-r--r-- | arch/c6x/boot/linked_dtb.S | 2 | ||||
-rw-r--r-- | arch/c6x/kernel/devicetree.c | 53 | ||||
-rw-r--r-- | arch/c6x/platforms/platform.c | 17 |
11 files changed, 700 insertions, 0 deletions
diff --git a/arch/c6x/boot/dts/dsk6455.dts b/arch/c6x/boot/dts/dsk6455.dts new file mode 100644 index 00000000000..2b71f800618 --- /dev/null +++ b/arch/c6x/boot/dts/dsk6455.dts @@ -0,0 +1,62 @@ +/* + * arch/c6x/boot/dts/dsk6455.dts + * + * DSK6455 Evaluation Platform For TMS320C6455 + * Copyright (C) 2011 Texas Instruments Incorporated + * + * Author: Mark Salter <msalter@redhat.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. + * + */ + +/dts-v1/; + +/include/ "tms320c6455.dtsi" + +/ { + model = "Spectrum Digital DSK6455"; + compatible = "spectrum-digital,dsk6455"; + + chosen { + bootargs = "root=/dev/nfs ip=dhcp rw"; + }; + + memory { + device_type = "memory"; + reg = <0xE0000000 0x08000000>; + }; + + soc { + megamod_pic: interrupt-controller@1800000 { + interrupts = < 12 13 14 15 >; + }; + + emifa@70000000 { + flash@3,0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "cfi-flash"; + reg = <0x3 0x0 0x400000>; + bank-width = <1>; + device-width = <1>; + partition@0 { + reg = <0x0 0x400000>; + label = "NOR"; + }; + }; + }; + + timer1: timer@2980000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 69 >; + }; + + clock-controller@029a0000 { + clock-frequency = <50000000>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/evmc6457.dts b/arch/c6x/boot/dts/evmc6457.dts new file mode 100644 index 00000000000..0301eb9a8ff --- /dev/null +++ b/arch/c6x/boot/dts/evmc6457.dts @@ -0,0 +1,48 @@ +/* + * arch/c6x/boot/dts/evmc6457.dts + * + * EVMC6457 Evaluation Platform For TMS320C6457 + * + * Copyright (C) 2011 Texas Instruments Incorporated + * + * Author: Mark Salter <msalter@redhat.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. + * + */ + +/dts-v1/; + +/include/ "tms320c6457.dtsi" + +/ { + model = "eInfochips EVMC6457"; + compatible = "einfochips,evmc6457"; + + chosen { + bootargs = "console=hvc root=/dev/nfs ip=dhcp rw"; + }; + + memory { + device_type = "memory"; + reg = <0xE0000000 0x10000000>; + }; + + soc { + megamod_pic: interrupt-controller@1800000 { + interrupts = < 12 13 14 15 >; + }; + + timer0: timer@2940000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 67 >; + }; + + clock-controller@29a0000 { + clock-frequency = <60000000>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/evmc6472.dts b/arch/c6x/boot/dts/evmc6472.dts new file mode 100644 index 00000000000..3e207b449a9 --- /dev/null +++ b/arch/c6x/boot/dts/evmc6472.dts @@ -0,0 +1,73 @@ +/* + * arch/c6x/boot/dts/evmc6472.dts + * + * EVMC6472 Evaluation Platform For TMS320C6472 + * + * Copyright (C) 2011 Texas Instruments Incorporated + * + * Author: Mark Salter <msalter@redhat.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. + * + */ + +/dts-v1/; + +/include/ "tms320c6472.dtsi" + +/ { + model = "eInfochips EVMC6472"; + compatible = "einfochips,evmc6472"; + + chosen { + bootargs = "console=hvc root=/dev/nfs ip=dhcp rw"; + }; + + memory { + device_type = "memory"; + reg = <0xE0000000 0x10000000>; + }; + + soc { + megamod_pic: interrupt-controller@1800000 { + interrupts = < 12 13 14 15 >; + }; + + timer0: timer@25e0000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + timer1: timer@25f0000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + timer2: timer@2600000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + timer3: timer@2610000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + timer4: timer@2620000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + timer5: timer@2630000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 16 >; + }; + + clock-controller@29a0000 { + clock-frequency = <25000000>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/evmc6474.dts b/arch/c6x/boot/dts/evmc6474.dts new file mode 100644 index 00000000000..4dc291292bc --- /dev/null +++ b/arch/c6x/boot/dts/evmc6474.dts @@ -0,0 +1,58 @@ +/* + * arch/c6x/boot/dts/evmc6474.dts + * + * EVMC6474 Evaluation Platform For TMS320C6474 + * + * Copyright (C) 2011 Texas Instruments Incorporated + * + * Author: Mark Salter <msalter@redhat.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. + * + */ + +/dts-v1/; + +/include/ "tms320c6474.dtsi" + +/ { + model = "Spectrum Digital EVMC6474"; + compatible = "spectrum-digital,evmc6474"; + + chosen { + bootargs = "console=hvc root=/dev/nfs ip=dhcp rw"; + }; + + memory { + device_type = "memory"; + reg = <0x80000000 0x08000000>; + }; + + soc { + megamod_pic: interrupt-controller@1800000 { + interrupts = < 12 13 14 15 >; + }; + + timer3: timer@2940000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 39 >; + }; + + timer4: timer@2950000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 41 >; + }; + + timer5: timer@2960000 { + interrupt-parent = <&megamod_pic>; + interrupts = < 43 >; + }; + + clock-controller@29a0000 { + clock-frequency = <50000000>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/tms320c6455.dtsi b/arch/c6x/boot/dts/tms320c6455.dtsi new file mode 100644 index 00000000000..a804ec1e018 --- /dev/null +++ b/arch/c6x/boot/dts/tms320c6455.dtsi @@ -0,0 +1,96 @@ + +/ { + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "ti,c64x+"; + reg = <0>; + }; + }; + + soc { + compatible = "simple-bus"; + model = "tms320c6455"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + core_pic: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + compatible = "ti,c64x+core-pic"; + }; + + /* + * Megamodule interrupt controller + */ + megamod_pic: interrupt-controller@1800000 { + compatible = "ti,c64x+megamod-pic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x1800000 0x1000>; + interrupt-parent = <&core_pic>; + }; + + cache-controller@1840000 { + compatible = "ti,c64x+cache"; + reg = <0x01840000 0x8400>; + }; + + emifa@70000000 { + compatible = "ti,c64x+emifa", "simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + reg = <0x70000000 0x100>; + ranges = <0x2 0x0 0xa0000000 0x00000008 + 0x3 0x0 0xb0000000 0x00400000 + 0x4 0x0 0xc0000000 0x10000000 + 0x5 0x0 0xD0000000 0x10000000>; + + ti,dscr-dev-enable = <13>; + ti,emifa-burst-priority = <255>; + ti,emifa-ce-config = <0x00240120 + 0x00240120 + 0x00240122 + 0x00240122>; + }; + + timer1: timer@2980000 { + compatible = "ti,c64x+timer64"; + reg = <0x2980000 0x40>; + ti,dscr-dev-enable = <4>; + }; + + clock-controller@029a0000 { + compatible = "ti,c6455-pll", "ti,c64x+pll"; + reg = <0x029a0000 0x200>; + ti,c64x+pll-bypass-delay = <1440>; + ti,c64x+pll-reset-delay = <15360>; + ti,c64x+pll-lock-delay = <24000>; + }; + + device-state-config-regs@2a80000 { + compatible = "ti,c64x+dscr"; + reg = <0x02a80000 0x41000>; + + ti,dscr-devstat = <0>; + ti,dscr-silicon-rev = <8 28 0xf>; + ti,dscr-rmii-resets = <0 0x40020 0x00040000>; + + ti,dscr-locked-regs = <0x40008 0x40004 0x0f0a0b00>; + ti,dscr-devstate-ctl-regs = + <0 12 0x40008 1 0 0 2 + 12 1 0x40008 3 0 30 2 + 13 2 0x4002c 1 0xffffffff 0 1>; + ti,dscr-devstate-stat-regs = + <0 10 0x40014 1 0 0 3 + 10 2 0x40018 1 0 0 3>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/tms320c6457.dtsi b/arch/c6x/boot/dts/tms320c6457.dtsi new file mode 100644 index 00000000000..35f40709a71 --- /dev/null +++ b/arch/c6x/boot/dts/tms320c6457.dtsi @@ -0,0 +1,68 @@ + +/ { + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "ti,c64x+"; + reg = <0>; + }; + }; + + soc { + compatible = "simple-bus"; + model = "tms320c6457"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + core_pic: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + compatible = "ti,c64x+core-pic"; + }; + + megamod_pic: interrupt-controller@1800000 { + compatible = "ti,c64x+megamod-pic"; + interrupt-controller; + #interrupt-cells = <1>; + interrupt-parent = <&core_pic>; + reg = <0x1800000 0x1000>; + }; + + cache-controller@1840000 { + compatible = "ti,c64x+cache"; + reg = <0x01840000 0x8400>; + }; + + device-state-controller@2880800 { + compatible = "ti,c64x+dscr"; + reg = <0x02880800 0x400>; + + ti,dscr-devstat = <0x20>; + ti,dscr-silicon-rev = <0x18 28 0xf>; + ti,dscr-mac-fuse-regs = <0x114 3 4 5 6 + 0x118 0 0 1 2>; + ti,dscr-kick-regs = <0x38 0x83E70B13 + 0x3c 0x95A4F1E0>; + }; + + timer0: timer@2940000 { + compatible = "ti,c64x+timer64"; + reg = <0x2940000 0x40>; + }; + + clock-controller@29a0000 { + compatible = "ti,c6457-pll", "ti,c64x+pll"; + reg = <0x029a0000 0x200>; + ti,c64x+pll-bypass-delay = <300>; + ti,c64x+pll-reset-delay = <24000>; + ti,c64x+pll-lock-delay = <50000>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/tms320c6472.dtsi b/arch/c6x/boot/dts/tms320c6472.dtsi new file mode 100644 index 00000000000..b488aaec65c --- /dev/null +++ b/arch/c6x/boot/dts/tms320c6472.dtsi @@ -0,0 +1,134 @@ + +/ { + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + reg = <0>; + model = "ti,c64x+"; + }; + cpu@1 { + device_type = "cpu"; + reg = <1>; + model = "ti,c64x+"; + }; + cpu@2 { + device_type = "cpu"; + reg = <2>; + model = "ti,c64x+"; + }; + cpu@3 { + device_type = "cpu"; + reg = <3>; + model = "ti,c64x+"; + }; + cpu@4 { + device_type = "cpu"; + reg = <4>; + model = "ti,c64x+"; + }; + cpu@5 { + device_type = "cpu"; + reg = <5>; + model = "ti,c64x+"; + }; + }; + + soc { + compatible = "simple-bus"; + model = "tms320c6472"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + core_pic: interrupt-controller { + compatible = "ti,c64x+core-pic"; + interrupt-controller; + #interrupt-cells = <1>; + }; + + megamod_pic: interrupt-controller@1800000 { + compatible = "ti,c64x+megamod-pic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x1800000 0x1000>; + interrupt-parent = <&core_pic>; + }; + + cache-controller@1840000 { + compatible = "ti,c64x+cache"; + reg = <0x01840000 0x8400>; + }; + + timer0: timer@25e0000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x01 >; + reg = <0x25e0000 0x40>; + }; + + timer1: timer@25f0000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x02 >; + reg = <0x25f0000 0x40>; + }; + + timer2: timer@2600000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x04 >; + reg = <0x2600000 0x40>; + }; + + timer3: timer@2610000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x08 >; + reg = <0x2610000 0x40>; + }; + + timer4: timer@2620000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x10 >; + reg = <0x2620000 0x40>; + }; + + timer5: timer@2630000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x20 >; + reg = <0x2630000 0x40>; + }; + + clock-controller@29a0000 { + compatible = "ti,c6472-pll", "ti,c64x+pll"; + reg = <0x029a0000 0x200>; + ti,c64x+pll-bypass-delay = <200>; + ti,c64x+pll-reset-delay = <12000>; + ti,c64x+pll-lock-delay = <80000>; + }; + + device-state-controller@2a80000 { + compatible = "ti,c64x+dscr"; + reg = <0x02a80000 0x1000>; + + ti,dscr-devstat = <0>; + ti,dscr-silicon-rev = <0x70c 16 0xff>; + + ti,dscr-mac-fuse-regs = <0x700 1 2 3 4 + 0x704 5 6 0 0>; + + ti,dscr-rmii-resets = <0x208 1 + 0x20c 1>; + + ti,dscr-locked-regs = <0x200 0x204 0x0a1e183a + 0x40c 0x420 0xbea7 + 0x41c 0x420 0xbea7>; + + ti,dscr-privperm = <0x41c 0xaaaaaaaa>; + + ti,dscr-devstate-ctl-regs = <0 13 0x200 1 0 0 1>; + }; + }; +}; diff --git a/arch/c6x/boot/dts/tms320c6474.dtsi b/arch/c6x/boot/dts/tms320c6474.dtsi new file mode 100644 index 00000000000..cc601bf348a --- /dev/null +++ b/arch/c6x/boot/dts/tms320c6474.dtsi @@ -0,0 +1,89 @@ + +/ { + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + reg = <0>; + model = "ti,c64x+"; + }; + cpu@1 { + device_type = "cpu"; + reg = <1>; + model = "ti,c64x+"; + }; + cpu@2 { + device_type = "cpu"; + reg = <2>; + model = "ti,c64x+"; + }; + }; + + soc { + compatible = "simple-bus"; + model = "tms320c6474"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + core_pic: interrupt-controller { + interrupt-controller; + #interrupt-cells = <1>; + compatible = "ti,c64x+core-pic"; + }; + + megamod_pic: interrupt-controller@1800000 { + compatible = "ti,c64x+megamod-pic"; + interrupt-controller; + #interrupt-cells = <1>; + reg = <0x1800000 0x1000>; + interrupt-parent = <&core_pic>; + }; + + cache-controller@1840000 { + compatible = "ti,c64x+cache"; + reg = <0x01840000 0x8400>; + }; + + timer3: timer@2940000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x04 >; + reg = <0x2940000 0x40>; + }; + + timer4: timer@2950000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x02 >; + reg = <0x2950000 0x40>; + }; + + timer5: timer@2960000 { + compatible = "ti,c64x+timer64"; + ti,core-mask = < 0x01 >; + reg = <0x2960000 0x40>; + }; + + device-state-controller@2880800 { + compatible = "ti,c64x+dscr"; + reg = <0x02880800 0x400>; + + ti,dscr-devstat = <0x004>; + ti,dscr-silicon-rev = <0x014 28 0xf>; + ti,dscr-mac-fuse-regs = <0x34 3 4 5 6 + 0x38 0 0 1 2>; + }; + + clock-controller@29a0000 { + compatible = "ti,c6474-pll", "ti,c64x+pll"; + reg = <0x029a0000 0x200>; + ti,c64x+pll-bypass-delay = <120>; + ti,c64x+pll-reset-delay = <30000>; + ti,c64x+pll-lock-delay = <60000>; + }; + }; +}; diff --git a/arch/c6x/boot/linked_dtb.S b/arch/c6x/boot/linked_dtb.S new file mode 100644 index 00000000000..57a4454eaec --- /dev/null +++ b/arch/c6x/boot/linked_dtb.S @@ -0,0 +1,2 @@ +.section __fdt_blob,"a" +.incbin "arch/c6x/boot/builtin.dtb" diff --git a/arch/c6x/kernel/devicetree.c b/arch/c6x/kernel/devicetree.c new file mode 100644 index 00000000000..bdb56f09d0a --- /dev/null +++ b/arch/c6x/kernel/devicetree.c @@ -0,0 +1,53 @@ +/* + * Architecture specific OF callbacks. + * + * Copyright (C) 2011 Texas Instruments Incorporated + * Author: Mark Salter <msalter@redhat.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/init.h> +#include <linux/of.h> +#include <linux/of_fdt.h> +#include <linux/initrd.h> +#include <linux/memblock.h> + +void __init early_init_devtree(void *params) +{ + /* Setup flat device-tree pointer */ + initial_boot_params = params; + + /* Retrieve various informations from the /chosen node of the + * device-tree, including the platform type, initrd location and + * size and more ... + */ + of_scan_flat_dt(early_init_dt_scan_chosen, c6x_command_line); + + /* Scan memory nodes and rebuild MEMBLOCKs */ + of_scan_flat_dt(early_init_dt_scan_root, NULL); + of_scan_flat_dt(early_init_dt_scan_memory, NULL); +} + + +#ifdef CONFIG_BLK_DEV_INITRD +void __init early_init_dt_setup_initrd_arch(unsigned long start, + unsigned long end) +{ + initrd_start = (unsigned long)__va(start); + initrd_end = (unsigned long)__va(end); + initrd_below_start_ok = 1; +} +#endif + +void __init early_init_dt_add_memory_arch(u64 base, u64 size) +{ + c6x_add_memory(base, size); +} + +void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) +{ + return __va(memblock_alloc(size, align)); +} diff --git a/arch/c6x/platforms/platform.c b/arch/c6x/platforms/platform.c new file mode 100644 index 00000000000..26c1a355d60 --- /dev/null +++ b/arch/c6x/platforms/platform.c @@ -0,0 +1,17 @@ +/* + * Copyright 2011 Texas Instruments Incorporated + * + * 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. + */ + +#include <linux/init.h> +#include <linux/of_platform.h> + +static int __init c6x_device_probe(void) +{ + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); + return 0; +} +core_initcall(c6x_device_probe); |