939d28aae1
This patch adds support for Samsung S5PV210 CPU. This patch also adds an entry for S5PV210 cpu in plat-s5p cpu table. Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
114 lines
2.8 KiB
C
114 lines
2.8 KiB
C
/* linux/arch/arm/plat-s5p/cpu.c
|
|
*
|
|
* Copyright (c) 2009 Samsung Electronics Co., Ltd.
|
|
* http://www.samsung.com/
|
|
*
|
|
* S5P CPU 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 <mach/map.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <mach/regs-clock.h>
|
|
#include <plat/cpu.h>
|
|
#include <plat/s5p6440.h>
|
|
#include <plat/s5p6442.h>
|
|
#include <plat/s5pv210.h>
|
|
|
|
/* table of supported CPUs */
|
|
|
|
static const char name_s5p6440[] = "S5P6440";
|
|
static const char name_s5p6442[] = "S5P6442";
|
|
static const char name_s5pv210[] = "S5PV210/S5PC110";
|
|
|
|
static struct cpu_table cpu_ids[] __initdata = {
|
|
{
|
|
.idcode = 0x56440100,
|
|
.idmask = 0xffffff00,
|
|
.map_io = s5p6440_map_io,
|
|
.init_clocks = s5p6440_init_clocks,
|
|
.init_uarts = s5p6440_init_uarts,
|
|
.init = s5p6440_init,
|
|
.name = name_s5p6440,
|
|
}, {
|
|
.idcode = 0x36442000,
|
|
.idmask = 0xffffff00,
|
|
.map_io = s5p6442_map_io,
|
|
.init_clocks = s5p6442_init_clocks,
|
|
.init_uarts = s5p6442_init_uarts,
|
|
.init = s5p6442_init,
|
|
.name = name_s5p6442,
|
|
}, {
|
|
.idcode = 0x43110000,
|
|
.idmask = 0xfffff000,
|
|
.map_io = s5pv210_map_io,
|
|
.init_clocks = s5pv210_init_clocks,
|
|
.init_uarts = s5pv210_init_uarts,
|
|
.init = s5pv210_init,
|
|
.name = name_s5pv210,
|
|
},
|
|
};
|
|
|
|
/* minimal IO mapping */
|
|
|
|
static struct map_desc s5p_iodesc[] __initdata = {
|
|
{
|
|
.virtual = (unsigned long)S5P_VA_CHIPID,
|
|
.pfn = __phys_to_pfn(S5P_PA_CHIPID),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_SYS,
|
|
.pfn = __phys_to_pfn(S5P_PA_SYSCON),
|
|
.length = SZ_64K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_UART,
|
|
.pfn = __phys_to_pfn(S3C_PA_UART),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)VA_VIC0,
|
|
.pfn = __phys_to_pfn(S5P_PA_VIC0),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)VA_VIC1,
|
|
.pfn = __phys_to_pfn(S5P_PA_VIC1),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S3C_VA_TIMER,
|
|
.pfn = __phys_to_pfn(S5P_PA_TIMER),
|
|
.length = SZ_16K,
|
|
.type = MT_DEVICE,
|
|
}, {
|
|
.virtual = (unsigned long)S5P_VA_GPIO,
|
|
.pfn = __phys_to_pfn(S5P_PA_GPIO),
|
|
.length = SZ_4K,
|
|
.type = MT_DEVICE,
|
|
},
|
|
};
|
|
|
|
/* read cpu identification code */
|
|
|
|
void __init s5p_init_io(struct map_desc *mach_desc,
|
|
int size, void __iomem *cpuid_addr)
|
|
{
|
|
unsigned long idcode;
|
|
|
|
/* initialize the io descriptors we need for initialization */
|
|
iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
|
|
if (mach_desc)
|
|
iotable_init(mach_desc, size);
|
|
|
|
idcode = __raw_readl(cpuid_addr);
|
|
s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
|
|
}
|