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Diffstat (limited to 'arch/arm/cpu/armv7/s5pc1xx/clock.c')
-rw-r--r--arch/arm/cpu/armv7/s5pc1xx/clock.c51
1 files changed, 39 insertions, 12 deletions
diff --git a/arch/arm/cpu/armv7/s5pc1xx/clock.c b/arch/arm/cpu/armv7/s5pc1xx/clock.c
index 19619f9..98a27e5 100644
--- a/arch/arm/cpu/armv7/s5pc1xx/clock.c
+++ b/arch/arm/cpu/armv7/s5pc1xx/clock.c
@@ -38,14 +38,16 @@
#define CONFIG_SYS_CLK_FREQ_C110 24000000
#endif
-unsigned long (*get_pclk)(void);
+unsigned long (*get_uart_clk)(int dev_index);
+unsigned long (*get_pwm_clk)(void);
unsigned long (*get_arm_clk)(void);
unsigned long (*get_pll_clk)(int);
/* s5pc110: return pll clock frequency */
static unsigned long s5pc100_get_pll_clk(int pllreg)
{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc100_clock *clk =
+ (struct s5pc100_clock *)samsung_get_base_clock();
unsigned long r, m, p, s, mask, fout;
unsigned int freq;
@@ -95,7 +97,8 @@ static unsigned long s5pc100_get_pll_clk(int pllreg)
/* s5pc100: return pll clock frequency */
static unsigned long s5pc110_get_pll_clk(int pllreg)
{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc110_clock *clk =
+ (struct s5pc110_clock *)samsung_get_base_clock();
unsigned long r, m, p, s, mask, fout;
unsigned int freq;
@@ -151,7 +154,8 @@ static unsigned long s5pc110_get_pll_clk(int pllreg)
/* s5pc110: return ARM clock frequency */
static unsigned long s5pc110_get_arm_clk(void)
{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc110_clock *clk =
+ (struct s5pc110_clock *)samsung_get_base_clock();
unsigned long div;
unsigned long dout_apll, armclk;
unsigned int apll_ratio;
@@ -170,7 +174,8 @@ static unsigned long s5pc110_get_arm_clk(void)
/* s5pc100: return ARM clock frequency */
static unsigned long s5pc100_get_arm_clk(void)
{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc100_clock *clk =
+ (struct s5pc100_clock *)samsung_get_base_clock();
unsigned long div;
unsigned long dout_apll, armclk;
unsigned int apll_ratio, arm_ratio;
@@ -191,7 +196,8 @@ static unsigned long s5pc100_get_arm_clk(void)
/* s5pc100: return HCLKD0 frequency */
static unsigned long get_hclk(void)
{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc100_clock *clk =
+ (struct s5pc100_clock *)samsung_get_base_clock();
unsigned long hclkd0;
uint div, d0_bus_ratio;
@@ -207,7 +213,8 @@ static unsigned long get_hclk(void)
/* s5pc100: return PCLKD1 frequency */
static unsigned long get_pclkd1(void)
{
- struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc100_clock *clk =
+ (struct s5pc100_clock *)samsung_get_base_clock();
unsigned long d1_bus, pclkd1;
uint div, d1_bus_ratio, pclkd1_ratio;
@@ -227,7 +234,8 @@ static unsigned long get_pclkd1(void)
/* s5pc110: return HCLKs frequency */
static unsigned long get_hclk_sys(int dom)
{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc110_clock *clk =
+ (struct s5pc110_clock *)samsung_get_base_clock();
unsigned long hclk;
unsigned int div;
unsigned int offset;
@@ -255,7 +263,8 @@ static unsigned long get_hclk_sys(int dom)
/* s5pc110: return PCLKs frequency */
static unsigned long get_pclk_sys(int dom)
{
- struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE;
+ struct s5pc110_clock *clk =
+ (struct s5pc110_clock *)samsung_get_base_clock();
unsigned long pclk;
unsigned int div;
unsigned int offset;
@@ -289,15 +298,33 @@ static unsigned long s5pc100_get_pclk(void)
return get_pclkd1();
}
-void s5pc1xx_clock_init(void)
+/* s5pc1xx: return uart clock frequency */
+static unsigned long s5pc1xx_get_uart_clk(int dev_index)
+{
+ if (cpu_is_s5pc110())
+ return s5pc110_get_pclk();
+ else
+ return s5pc100_get_pclk();
+}
+
+/* s5pc1xx: return pwm clock frequency */
+static unsigned long s5pc1xx_get_pwm_clk(void)
+{
+ if (cpu_is_s5pc110())
+ return s5pc110_get_pclk();
+ else
+ return s5pc100_get_pclk();
+}
+
+void s5p_clock_init(void)
{
if (cpu_is_s5pc110()) {
get_pll_clk = s5pc110_get_pll_clk;
get_arm_clk = s5pc110_get_arm_clk;
- get_pclk = s5pc110_get_pclk;
} else {
get_pll_clk = s5pc100_get_pll_clk;
get_arm_clk = s5pc100_get_arm_clk;
- get_pclk = s5pc100_get_pclk;
}
+ get_uart_clk = s5pc1xx_get_uart_clk;
+ get_pwm_clk = s5pc1xx_get_pwm_clk;
}