summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s5p
diff options
context:
space:
mode:
authorKukjin Kim <kgene.kim@samsung.com>2011-10-04 20:14:11 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-10-04 20:14:11 +0900
commitc9477f38cba225870862fd9e08868ae3d4abdfe0 (patch)
tree01c7575a1e8e3197d072890f48944f1232a885c6 /arch/arm/plat-s5p
parentc37b25046289e857918d25fd96aa441ea7929ad5 (diff)
parent2520123382e97271e932377c83bca010c265be55 (diff)
downloadlinux-c9477f38cba225870862fd9e08868ae3d4abdfe0.tar.gz
linux-c9477f38cba225870862fd9e08868ae3d4abdfe0.tar.bz2
linux-c9477f38cba225870862fd9e08868ae3d4abdfe0.zip
Merge branch 'next-samsung-board' into next-samsung-devel-2
Diffstat (limited to 'arch/arm/plat-s5p')
-rw-r--r--arch/arm/plat-s5p/cpu.c37
-rw-r--r--arch/arm/plat-s5p/include/plat/exynos4.h5
-rw-r--r--arch/arm/plat-s5p/include/plat/pll.h55
3 files changed, 79 insertions, 18 deletions
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
index bbc2aa7449ca..909507bae2fa 100644
--- a/arch/arm/plat-s5p/cpu.c
+++ b/arch/arm/plat-s5p/cpu.c
@@ -33,48 +33,57 @@ static const char name_s5p6450[] = "S5P6450";
static const char name_s5pc100[] = "S5PC100";
static const char name_s5pv210[] = "S5PV210/S5PC110";
static const char name_exynos4210[] = "EXYNOS4210";
+static const char name_exynos4212[] = "EXYNOS4212";
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,
.init = exynos4_init,
.name = name_exynos4210,
+ }, {
+ .idcode = EXYNOS4212_CPU_ID,
+ .idmask = EXYNOS4_CPU_MASK,
+ .map_io = exynos4_map_io,
+ .init_clocks = exynos4_init_clocks,
+ .init_uarts = exynos4_init_uarts,
+ .init = exynos4_init,
+ .name = name_exynos4212,
},
};
@@ -114,13 +123,13 @@ 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-s5p/include/plat/exynos4.h b/arch/arm/plat-s5p/include/plat/exynos4.h
index 907caab53dcf..f680a143e38c 100644
--- a/arch/arm/plat-s5p/include/plat/exynos4.h
+++ b/arch/arm/plat-s5p/include/plat/exynos4.h
@@ -14,10 +14,11 @@
extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
extern void exynos4_register_clocks(void);
+extern void exynos4210_register_clocks(void);
+extern void exynos4212_register_clocks(void);
extern void exynos4_setup_clocks(void);
-#ifdef CONFIG_CPU_EXYNOS4210
-
+#ifdef CONFIG_ARCH_EXYNOS4
extern int exynos4_init(void);
extern void exynos4_init_irq(void);
extern void exynos4_map_io(void);
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
index ebc142c5c84c..3e21b9444cc5 100644
--- a/arch/arm/plat-s5p/include/plat/pll.h
+++ b/arch/arm/plat-s5p/include/plat/pll.h
@@ -12,6 +12,59 @@
* published by the Free Software Foundation.
*/
+#include <asm/div64.h>
+
+#define PLL35XX_MDIV_MASK (0x3FF)
+#define PLL35XX_PDIV_MASK (0x3F)
+#define PLL35XX_SDIV_MASK (0x7)
+#define PLL35XX_MDIV_SHIFT (16)
+#define PLL35XX_PDIV_SHIFT (8)
+#define PLL35XX_SDIV_SHIFT (0)
+
+static inline unsigned long s5p_get_pll35xx(unsigned long baseclk, u32 pll_con)
+{
+ u32 mdiv, pdiv, sdiv;
+ u64 fvco = baseclk;
+
+ mdiv = (pll_con >> PLL35XX_MDIV_SHIFT) & PLL35XX_MDIV_MASK;
+ pdiv = (pll_con >> PLL35XX_PDIV_SHIFT) & PLL35XX_PDIV_MASK;
+ sdiv = (pll_con >> PLL35XX_SDIV_SHIFT) & PLL35XX_SDIV_MASK;
+
+ fvco *= mdiv;
+ do_div(fvco, (pdiv << sdiv));
+
+ return (unsigned long)fvco;
+}
+
+#define PLL36XX_KDIV_MASK (0xFFFF)
+#define PLL36XX_MDIV_MASK (0x1FF)
+#define PLL36XX_PDIV_MASK (0x3F)
+#define PLL36XX_SDIV_MASK (0x7)
+#define PLL36XX_MDIV_SHIFT (16)
+#define PLL36XX_PDIV_SHIFT (8)
+#define PLL36XX_SDIV_SHIFT (0)
+
+static inline unsigned long s5p_get_pll36xx(unsigned long baseclk,
+ u32 pll_con0, u32 pll_con1)
+{
+ unsigned long result;
+ u32 mdiv, pdiv, sdiv, kdiv;
+ u64 tmp;
+
+ mdiv = (pll_con0 >> PLL36XX_MDIV_SHIFT) & PLL36XX_MDIV_MASK;
+ pdiv = (pll_con0 >> PLL36XX_PDIV_SHIFT) & PLL36XX_PDIV_MASK;
+ sdiv = (pll_con0 >> PLL36XX_SDIV_SHIFT) & PLL36XX_SDIV_MASK;
+ kdiv = pll_con1 & PLL36XX_KDIV_MASK;
+
+ tmp = baseclk;
+
+ tmp *= (mdiv << 16) + kdiv;
+ do_div(tmp, (pdiv << sdiv));
+ result = tmp >> 16;
+
+ return result;
+}
+
#define PLL45XX_MDIV_MASK (0x3FF)
#define PLL45XX_PDIV_MASK (0x3F)
#define PLL45XX_SDIV_MASK (0x7)
@@ -19,8 +72,6 @@
#define PLL45XX_PDIV_SHIFT (8)
#define PLL45XX_SDIV_SHIFT (0)
-#include <asm/div64.h>
-
enum pll45xx_type_t {
pll_4500,
pll_4502,