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authorKukjin Kim <kgene.kim@samsung.com>2011-09-16 16:38:43 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-09-16 16:38:43 +0900
commitbe6bb8cc8d2bd033a1f89983f2f13bdb3548a08f (patch)
tree2b7f76cc2154e5589a605f97a663c8afe4f6016f
parentd03c35939d2a447093e60133156217d6512aa9e3 (diff)
parentb02b5da4d15d7f7a250888d003121e1b5b69d00b (diff)
Merge branch 'next/topic-cpuid-rev' into next/topic-add-exynos4212
-rw-r--r--arch/arm/mach-exynos4/cpu.c28
-rw-r--r--arch/arm/mach-exynos4/include/mach/map.h3
-rw-r--r--arch/arm/mach-exynos4/platsmp.c8
-rw-r--r--arch/arm/mach-s3c64xx/cpu.c22
-rw-r--r--arch/arm/mach-s5p64x0/dev-spi.c8
-rw-r--r--arch/arm/mach-s5p64x0/dma.c7
-rw-r--r--arch/arm/mach-s5p64x0/gpiolib.c7
-rw-r--r--arch/arm/mach-s5p64x0/irq-eint.c3
-rw-r--r--arch/arm/plat-s3c24xx/cpu.c9
-rw-r--r--arch/arm/plat-s5p/cpu.c28
-rw-r--r--arch/arm/plat-samsung/Makefile2
-rw-r--r--arch/arm/plat-samsung/cpu.c58
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu.h97
13 files changed, 220 insertions, 60 deletions
diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c
index 746d6fc6d39..0d281bbe345 100644
--- a/arch/arm/mach-exynos4/cpu.c
+++ b/arch/arm/mach-exynos4/cpu.c
@@ -44,11 +44,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
.length = SZ_4K,
.type = MT_DEVICE,
}, {
- .virtual = (unsigned long)S5P_VA_SYSRAM,
- .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM),
- .length = SZ_4K,
- .type = MT_DEVICE,
- }, {
.virtual = (unsigned long)S5P_VA_CMU,
.pfn = __phys_to_pfn(EXYNOS4_PA_CMU),
.length = SZ_128K,
@@ -121,6 +116,24 @@ static struct map_desc exynos4_iodesc[] __initdata = {
},
};
+static struct map_desc exynos4_iodesc0[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_SYSRAM,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM0),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
+static struct map_desc exynos4_iodesc1[] __initdata = {
+ {
+ .virtual = (unsigned long)S5P_VA_SYSRAM,
+ .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM1),
+ .length = SZ_4K,
+ .type = MT_DEVICE,
+ },
+};
+
static void exynos4_idle(void)
{
if (!need_resched())
@@ -143,6 +156,11 @@ void __init exynos4_map_io(void)
{
iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc));
+ if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0)
+ iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0));
+ else
+ iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1));
+
/* initialize device information early */
exynos4_default_sdhci0();
exynos4_default_sdhci1();
diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h
index d32296dc65e..7073ac73085 100644
--- a/arch/arm/mach-exynos4/include/mach/map.h
+++ b/arch/arm/mach-exynos4/include/mach/map.h
@@ -23,7 +23,8 @@
#include <plat/map-s5p.h>
-#define EXYNOS4_PA_SYSRAM 0x02020000
+#define EXYNOS4_PA_SYSRAM0 0x02025000
+#define EXYNOS4_PA_SYSRAM1 0x02020000
#define EXYNOS4_PA_FIMC0 0x11800000
#define EXYNOS4_PA_FIMC1 0x11810000
diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c
index df6ef1b2f98..a3346e36d0a 100644
--- a/arch/arm/mach-exynos4/platsmp.c
+++ b/arch/arm/mach-exynos4/platsmp.c
@@ -30,9 +30,12 @@
#include <mach/regs-clock.h>
#include <mach/regs-pmu.h>
+#include <plat/cpu.h>
+
extern void exynos4_secondary_startup(void);
-#define CPU1_BOOT_REG S5P_VA_SYSRAM
+#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \
+ S5P_INFORM5 : S5P_VA_SYSRAM)
/*
* control for which core is the next to come out of the secondary
@@ -218,5 +221,6 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
* until it receives a soft interrupt, and then the
* secondary CPU branches to this address.
*/
- __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM);
+ __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)),
+ CPU1_BOOT_REG);
}
diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c
index 374e45e566b..6c498f9a18c 100644
--- a/arch/arm/mach-s3c64xx/cpu.c
+++ b/arch/arm/mach-s3c64xx/cpu.c
@@ -43,16 +43,16 @@ static const char name_s3c6410[] = "S3C6410";
static struct cpu_table cpu_ids[] __initdata = {
{
- .idcode = 0x36400000,
- .idmask = 0xfffff000,
+ .idcode = S3C6400_CPU_ID,
+ .idmask = S3C64XX_CPU_MASK,
.map_io = s3c6400_map_io,
.init_clocks = s3c6400_init_clocks,
.init_uarts = s3c6400_init_uarts,
.init = s3c6400_init,
.name = name_s3c6400,
}, {
- .idcode = 0x36410100,
- .idmask = 0xffffff00,
+ .idcode = S3C6410_CPU_ID,
+ .idmask = S3C64XX_CPU_MASK,
.map_io = s3c6410_map_io,
.init_clocks = s3c6410_init_clocks,
.init_uarts = s3c6410_init_uarts,
@@ -140,22 +140,14 @@ void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
{
- unsigned long idcode;
-
/* initialise the io descriptors we need for initialisation */
iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
iotable_init(mach_desc, size);
- idcode = __raw_readl(S3C_VA_SYS + 0x118);
- if (!idcode) {
- /* S3C6400 has the ID register in a different place,
- * and needs a write before it can be read. */
-
- __raw_writel(0x0, S3C_VA_SYS + 0xA1C);
- idcode = __raw_readl(S3C_VA_SYS + 0xA1C);
- }
+ /* detect cpu id */
+ s3c64xx_init_cpu();
- s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+ s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
static __init int s3c64xx_sysdev_init(void)
diff --git a/arch/arm/mach-s5p64x0/dev-spi.c b/arch/arm/mach-s5p64x0/dev-spi.c
index ac825e82632..1fd9c79c7db 100644
--- a/arch/arm/mach-s5p64x0/dev-spi.c
+++ b/arch/arm/mach-s5p64x0/dev-spi.c
@@ -21,6 +21,7 @@
#include <mach/regs-clock.h>
#include <mach/spi-clocks.h>
+#include <plat/cpu.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
@@ -185,11 +186,8 @@ struct platform_device s5p64x0_device_spi1 = {
void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
{
- unsigned int id;
struct s3c64xx_spi_info *pd;
- id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
-
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0
|| src_clk_nr > S5P64X0_SPI_SRCCLK_SCLK) {
@@ -199,7 +197,7 @@ void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
switch (cntrlr) {
case 0:
- if (id == 0x50000)
+ if (soc_is_s5p6450())
pd = &s5p6450_spi0_pdata;
else
pd = &s5p6440_spi0_pdata;
@@ -207,7 +205,7 @@ void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
s5p64x0_device_spi0.dev.platform_data = pd;
break;
case 1:
- if (id == 0x50000)
+ if (soc_is_s5p6450())
pd = &s5p6450_spi1_pdata;
else
pd = &s5p6440_spi1_pdata;
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c
index d7ad944b347..0e5b3e63e5b 100644
--- a/arch/arm/mach-s5p64x0/dma.c
+++ b/arch/arm/mach-s5p64x0/dma.c
@@ -28,6 +28,7 @@
#include <mach/irqs.h>
#include <mach/regs-clock.h>
+#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/s3c-pl330-pdata.h>
@@ -133,11 +134,7 @@ static struct platform_device s5p64x0_device_pdma = {
static int __init s5p64x0_dma_init(void)
{
- unsigned int id;
-
- id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000;
-
- if (id == 0x50000)
+ if (soc_is_s5p6450())
s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata;
else
s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata;
diff --git a/arch/arm/mach-s5p64x0/gpiolib.c b/arch/arm/mach-s5p64x0/gpiolib.c
index e7fb3b004e7..700dac6c43f 100644
--- a/arch/arm/mach-s5p64x0/gpiolib.c
+++ b/arch/arm/mach-s5p64x0/gpiolib.c
@@ -19,6 +19,7 @@
#include <mach/regs-gpio.h>
#include <mach/regs-clock.h>
+#include <plat/cpu.h>
#include <plat/gpio-core.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-cfg-helpers.h>
@@ -473,14 +474,10 @@ static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip,
static int __init s5p64x0_gpiolib_init(void)
{
- unsigned int chipid;
-
- chipid = __raw_readl(S5P64X0_SYS_ID);
-
s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs,
ARRAY_SIZE(s5p64x0_gpio_cfgs));
- if ((chipid & 0xff000) == 0x50000) {
+ if (soc_is_s5p6450()) {
samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit,
ARRAY_SIZE(s5p6450_gpio_2bit));
diff --git a/arch/arm/mach-s5p64x0/irq-eint.c b/arch/arm/mach-s5p64x0/irq-eint.c
index fe7380f5c3c..494e1a8f6f6 100644
--- a/arch/arm/mach-s5p64x0/irq-eint.c
+++ b/arch/arm/mach-s5p64x0/irq-eint.c
@@ -17,6 +17,7 @@
#include <linux/irq.h>
#include <linux/io.h>
+#include <plat/cpu.h>
#include <plat/regs-irqtype.h>
#include <plat/gpio-cfg.h>
@@ -67,7 +68,7 @@ static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type)
__raw_writel(ctrl, S5P64X0_EINT0CON0);
/* Configure the GPIO pin for 6450 or 6440 based on CPU ID */
- if (0x50000 == (__raw_readl(S5P64X0_SYS_ID) & 0xFF000))
+ if (soc_is_s5p6450())
s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2));
else
s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2));
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index c1fc6c6fac7..3c6335307fb 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -215,19 +215,18 @@ static void s3c24xx_pm_restart(char mode, const char *cmd)
void __init s3c24xx_init_io(struct map_desc *mach_desc, int size)
{
- unsigned long idcode = 0x0;
-
/* initialise the io descriptors we need for initialisation */
iotable_init(mach_desc, size);
iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
if (cpu_architecture() >= CPU_ARCH_ARMv5) {
- idcode = s3c24xx_read_idcode_v5();
+ samsung_cpu_id = s3c24xx_read_idcode_v5();
} else {
- idcode = s3c24xx_read_idcode_v4();
+ samsung_cpu_id = s3c24xx_read_idcode_v4();
}
+ s3c24xx_init_cpu();
arm_pm_restart = s3c24xx_pm_restart;
- s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+ s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index bbc2aa7449c..04392c70d05 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -36,40 +36,40 @@ static const char name_exynos4210[] = "EXYNOS4210";
static struct cpu_table cpu_ids[] __initdata = {
{
- .idcode = 0x56440100,
- .idmask = 0xfffff000,
+ .idcode = S5P6440_CPU_ID,
+ .idmask = S5P64XX_CPU_MASK,
.map_io = s5p6440_map_io,
.init_clocks = s5p6440_init_clocks,
.init_uarts = s5p6440_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6440,
}, {
- .idcode = 0x36450000,
- .idmask = 0xfffff000,
+ .idcode = S5P6450_CPU_ID,
+ .idmask = S5P64XX_CPU_MASK,
.map_io = s5p6450_map_io,
.init_clocks = s5p6450_init_clocks,
.init_uarts = s5p6450_init_uarts,
.init = s5p64x0_init,
.name = name_s5p6450,
}, {
- .idcode = 0x43100000,
- .idmask = 0xfffff000,
+ .idcode = S5PC100_CPU_ID,
+ .idmask = S5PC100_CPU_MASK,
.map_io = s5pc100_map_io,
.init_clocks = s5pc100_init_clocks,
.init_uarts = s5pc100_init_uarts,
.init = s5pc100_init,
.name = name_s5pc100,
}, {
- .idcode = 0x43110000,
- .idmask = 0xfffff000,
+ .idcode = S5PV210_CPU_ID,
+ .idmask = S5PV210_CPU_MASK,
.map_io = s5pv210_map_io,
.init_clocks = s5pv210_init_clocks,
.init_uarts = s5pv210_init_uarts,
.init = s5pv210_init,
.name = name_s5pv210,
}, {
- .idcode = 0x43210000,
- .idmask = 0xfffe0000,
+ .idcode = EXYNOS4210_CPU_ID,
+ .idmask = EXYNOS4_CPU_MASK,
.map_io = exynos4_map_io,
.init_clocks = exynos4_init_clocks,
.init_uarts = exynos4_init_uarts,
@@ -114,13 +114,13 @@ static struct map_desc s5p_iodesc[] __initdata = {
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));
+ /* detect cpu id and rev. */
+ s5p_init_cpu(cpuid_addr);
+
+ s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 853764ba8cc..3de756da5ea 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -11,7 +11,7 @@ obj- :=
# Objects we always build independent of SoC choice
-obj-y += init.o
+obj-y += init.o cpu.o
obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o
obj-y += clock.o
obj-y += pwm-clock.o
diff --git a/arch/arm/plat-samsung/cpu.c b/arch/arm/plat-samsung/cpu.c
new file mode 100644
index 00000000000..81c06d44c11
--- /dev/null
+++ b/arch/arm/plat-samsung/cpu.c
@@ -0,0 +1,58 @@
+/* linux/arch/arm/plat-samsung/cpu.c
+ *
+ * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Samsung 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/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <asm/system.h>
+
+#include <mach/map.h>
+#include <plat/cpu.h>
+
+unsigned long samsung_cpu_id;
+static unsigned int samsung_cpu_rev;
+
+unsigned int samsung_rev(void)
+{
+ return samsung_cpu_rev;
+}
+EXPORT_SYMBOL(samsung_rev);
+
+void __init s3c24xx_init_cpu(void)
+{
+ /* nothing here yet */
+
+ samsung_cpu_rev = 0;
+}
+
+void __init s3c64xx_init_cpu(void)
+{
+ samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0x118);
+ if (!samsung_cpu_id) {
+ /*
+ * S3C6400 has the ID register in a different place,
+ * and needs a write before it can be read.
+ */
+ __raw_writel(0x0, S3C_VA_SYS + 0xA1C);
+ samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0xA1C);
+ }
+
+ samsung_cpu_rev = 0;
+}
+
+void __init s5p_init_cpu(void __iomem *cpuid_addr)
+{
+ samsung_cpu_id = __raw_readl(cpuid_addr);
+ samsung_cpu_rev = samsung_cpu_id & 0xFF;
+}
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index c0a5741b23e..efd920ec3b7 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -1,9 +1,12 @@
/* linux/arch/arm/plat-samsung/include/plat/cpu.h
*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
* Copyright (c) 2004-2005 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
*
- * Header file for S3C24XX CPU support
+ * Header file for Samsung 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
@@ -15,6 +18,92 @@
#ifndef __SAMSUNG_PLAT_CPU_H
#define __SAMSUNG_PLAT_CPU_H
+extern unsigned long samsung_cpu_id;
+
+#define S3C24XX_CPU_ID 0x32400000
+#define S3C24XX_CPU_MASK 0xFFF00000
+
+#define S3C6400_CPU_ID 0x36400000
+#define S3C6410_CPU_ID 0x36410000
+#define S3C64XX_CPU_ID (S3C6400_CPU_ID & S3C6410_CPU_ID)
+#define S3C64XX_CPU_MASK 0xFFFFF000
+
+#define S5P6440_CPU_ID 0x56440000
+#define S5P6450_CPU_ID 0x36450000
+#define S5P64XX_CPU_MASK 0xFFFFF000
+
+#define S5PC100_CPU_ID 0x43100000
+#define S5PC100_CPU_MASK 0xFFFFF000
+
+#define S5PV210_CPU_ID 0x43110000
+#define S5PV210_CPU_MASK 0xFFFFF000
+
+#define EXYNOS4210_CPU_ID 0x43210000
+#define EXYNOS4_CPU_MASK 0xFFFE0000
+
+#define IS_SAMSUNG_CPU(name, id, mask) \
+static inline int is_samsung_##name(void) \
+{ \
+ return ((samsung_cpu_id & mask) == (id & mask)); \
+}
+
+IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c64xx, S3C64XX_CPU_ID, S3C64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK)
+IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK)
+IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
+
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
+ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
+ defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
+ defined(CONFIG_CPU_S3C2443)
+# define soc_is_s3c24xx() is_samsung_s3c24xx()
+#else
+# define soc_is_s3c24xx() 0
+#endif
+
+#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
+# define soc_is_s3c64xx() is_samsung_s3c64xx()
+#else
+# define soc_is_s3c64xx() 0
+#endif
+
+#if defined(CONFIG_CPU_S5P6440)
+# define soc_is_s5p6440() is_samsung_s5p6440()
+#else
+# define soc_is_s5p6440() 0
+#endif
+
+#if defined(CONFIG_CPU_S5P6450)
+# define soc_is_s5p6450() is_samsung_s5p6450()
+#else
+# define soc_is_s5p6450() 0
+#endif
+
+#if defined(CONFIG_CPU_S5PC100)
+# define soc_is_s5pc100() is_samsung_s5pc100()
+#else
+# define soc_is_s5pc100() 0
+#endif
+
+#if defined(CONFIG_CPU_S5PV210)
+# define soc_is_s5pv210() is_samsung_s5pv210()
+#else
+# define soc_is_s5pv210() 0
+#endif
+
+#if defined(CONFIG_CPU_EXYNOS4210)
+# define soc_is_exynos4210() is_samsung_exynos4210()
+#else
+# define soc_is_exynos4210() 0
+#endif
+
+#define EXYNOS4210_REV_0 (0x0)
+#define EXYNOS4210_REV_1_0 (0x10)
+#define EXYNOS4210_REV_1_1 (0x11)
+
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef MHZ
@@ -55,6 +144,12 @@ extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
extern void s5p_init_io(struct map_desc *mach_desc,
int size, void __iomem *cpuid_addr);
+extern void s3c24xx_init_cpu(void);
+extern void s3c64xx_init_cpu(void);
+extern void s5p_init_cpu(void __iomem *cpuid_addr);
+
+extern unsigned int samsung_rev(void);
+
extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void s3c24xx_init_clocks(int xtal);