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-rw-r--r--arch/arm/mach-s3c2410/include/mach/regs-clock.h33
-rw-r--r--arch/arm/mach-s3c2410/mach-h1940.c8
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c3
-rw-r--r--arch/arm/mach-s3c2412/s3c2412.c3
-rw-r--r--arch/arm/plat-s3c24xx/clock.c3
-rw-r--r--arch/arm/plat-s3c24xx/include/plat/pll.h37
-rw-r--r--arch/arm/plat-s3c24xx/s3c244x.c3
7 files changed, 49 insertions, 41 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/regs-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-clock.h
index b3f90aa7807..2a5d90e957f 100644
--- a/arch/arm/mach-s3c2410/include/mach/regs-clock.h
+++ b/arch/arm/mach-s3c2410/include/mach/regs-clock.h
@@ -42,13 +42,6 @@
#define S3C2410_CLKCON_IIS (1<<17)
#define S3C2410_CLKCON_SPI (1<<18)
-#define S3C2410_PLLCON_MDIVSHIFT 12
-#define S3C2410_PLLCON_PDIVSHIFT 4
-#define S3C2410_PLLCON_SDIVSHIFT 0
-#define S3C2410_PLLCON_MDIVMASK ((1<<(1+(19-12)))-1)
-#define S3C2410_PLLCON_PDIVMASK ((1<<5)-1)
-#define S3C2410_PLLCON_SDIVMASK 3
-
/* DCLKCON register addresses in gpio.h */
#define S3C2410_DCLKCON_DCLK0EN (1<<0)
@@ -76,32 +69,6 @@
#define S3C2410_CLKSLOW_SLOWVAL(x) (x)
#define S3C2410_CLKSLOW_GET_SLOWVAL(x) ((x) & 7)
-#ifndef __ASSEMBLY__
-
-#include <asm/div64.h>
-
-static inline unsigned int
-s3c2410_get_pll(unsigned int pllval, unsigned int baseclk)
-{
- unsigned int mdiv, pdiv, sdiv;
- uint64_t fvco;
-
- mdiv = pllval >> S3C2410_PLLCON_MDIVSHIFT;
- pdiv = pllval >> S3C2410_PLLCON_PDIVSHIFT;
- sdiv = pllval >> S3C2410_PLLCON_SDIVSHIFT;
-
- mdiv &= S3C2410_PLLCON_MDIVMASK;
- pdiv &= S3C2410_PLLCON_PDIVMASK;
- sdiv &= S3C2410_PLLCON_SDIVMASK;
-
- fvco = (uint64_t)baseclk * (mdiv + 8);
- do_div(fvco, (pdiv + 2) << sdiv);
-
- return (unsigned int)fvco;
-}
-
-#endif /* __ASSEMBLY__ */
-
#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
/* extra registers */
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 32d550fcff4..836508b829b 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -43,6 +43,7 @@
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
+#include <plat/pll.h>
#include <plat/pm.h>
static struct map_desc h1940_iodesc[] __initdata = {
@@ -223,10 +224,9 @@ static void __init h1940_init(void)
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
- tmp = (
- 0x78 << S3C2410_PLLCON_MDIVSHIFT)
- | (0x02 << S3C2410_PLLCON_PDIVSHIFT)
- | (0x03 << S3C2410_PLLCON_SDIVSHIFT);
+ tmp = (0x78 << S3C24XX_PLLCON_MDIVSHIFT)
+ | (0x02 << S3C24XX_PLLCON_PDIVSHIFT)
+ | (0x03 << S3C24XX_PLLCON_SDIVSHIFT);
writel(tmp, S3C2410_UPLLCON);
platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices));
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index 1db39c609d7..4e23bc05f4b 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -35,6 +35,7 @@
#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
+#include <plat/pll.h>
/* Initial IO mappings */
@@ -74,7 +75,7 @@ void __init s3c2410_init_clocks(int xtal)
/* now we've got our machine bits initialised, work out what
* clocks we've got */
- fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal);
+ fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal);
tmp = __raw_readl(S3C2410_CLKDIVN);
diff --git a/arch/arm/mach-s3c2412/s3c2412.c b/arch/arm/mach-s3c2412/s3c2412.c
index 22d22a03578..4bd2b5fb866 100644
--- a/arch/arm/mach-s3c2412/s3c2412.c
+++ b/arch/arm/mach-s3c2412/s3c2412.c
@@ -47,6 +47,7 @@
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/pm.h>
+#include <plat/pll.h>
#ifndef CONFIG_CPU_S3C2412_ONLY
void __iomem *s3c24xx_va_gpio2 = S3C24XX_VA_GPIO;
@@ -165,7 +166,7 @@ void __init s3c2412_init_clocks(int xtal)
/* now we've got our machine bits initialised, work out what
* clocks we've got */
- fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
+ fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal*2);
clk_mpll.rate = fclk;
diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c
index bf2633bd399..1ff1b983604 100644
--- a/arch/arm/plat-s3c24xx/clock.c
+++ b/arch/arm/plat-s3c24xx/clock.c
@@ -49,6 +49,7 @@
#include <plat/clock.h>
#include <plat/cpu.h>
+#include <plat/pll.h>
/* clock information */
@@ -332,7 +333,7 @@ int __init s3c24xx_setup_clocks(unsigned long xtal,
/* initialise the main system clocks */
clk_xtal.rate = xtal;
- clk_upll.rate = s3c2410_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
+ clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON), xtal);
clk_mpll.rate = fclk;
clk_h.rate = hclk;
diff --git a/arch/arm/plat-s3c24xx/include/plat/pll.h b/arch/arm/plat-s3c24xx/include/plat/pll.h
new file mode 100644
index 00000000000..7ea8bffa7a9
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/include/plat/pll.h
@@ -0,0 +1,37 @@
+/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h
+ *
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * S3C24xx - common pll registers and code
+ */
+
+#define S3C24XX_PLLCON_MDIVSHIFT 12
+#define S3C24XX_PLLCON_PDIVSHIFT 4
+#define S3C24XX_PLLCON_SDIVSHIFT 0
+#define S3C24XX_PLLCON_MDIVMASK ((1<<(1+(19-12)))-1)
+#define S3C24XX_PLLCON_PDIVMASK ((1<<5)-1)
+#define S3C24XX_PLLCON_SDIVMASK 3
+
+#include <asm/div64.h>
+
+static inline unsigned int
+s3c24xx_get_pll(unsigned int pllval, unsigned int baseclk)
+{
+ unsigned int mdiv, pdiv, sdiv;
+ uint64_t fvco;
+
+ mdiv = pllval >> S3C24XX_PLLCON_MDIVSHIFT;
+ pdiv = pllval >> S3C24XX_PLLCON_PDIVSHIFT;
+ sdiv = pllval >> S3C24XX_PLLCON_SDIVSHIFT;
+
+ mdiv &= S3C24XX_PLLCON_MDIVMASK;
+ pdiv &= S3C24XX_PLLCON_PDIVMASK;
+ sdiv &= S3C24XX_PLLCON_SDIVMASK;
+
+ fvco = (uint64_t)baseclk * (mdiv + 8);
+ do_div(fvco, (pdiv + 2) << sdiv);
+
+ return (unsigned int)fvco;
+}
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index d1152d1f9ba..7f33cef20ba 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -42,6 +42,7 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pm.h>
+#include <plat/pll.h>
static struct map_desc s3c244x_iodesc[] __initdata = {
IODESC_ENT(CLKPWR),
@@ -80,7 +81,7 @@ void __init s3c244x_init_clocks(int xtal)
/* now we've got our machine bits initialised, work out what
* clocks we've got */
- fclk = s3c2410_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
+ fclk = s3c24xx_get_pll(__raw_readl(S3C2410_MPLLCON), xtal) * 2;
clkdiv = __raw_readl(S3C2410_CLKDIVN);
camdiv = __raw_readl(S3C2440_CAMDIVN);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-21 18:30:42 +0000