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-rw-r--r--arch/arm/mach-s5pv210/clock.c66
1 files changed, 30 insertions, 36 deletions
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index b46d9ec69eb8..315955da0d06 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -144,6 +144,15 @@ static struct clksrc_clk clk_hclk_psys = {
.reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
};
+static struct clksrc_clk clk_pclk_psys = {
+ .clk = {
+ .name = "pclk_psys",
+ .id = -1,
+ .parent = &clk_hclk_psys.clk,
+ },
+ .reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
+};
+
static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
@@ -164,15 +173,6 @@ static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
}
-static struct clk clk_p66 = {
- .name = "pclk66",
- .id = -1,
-};
-
-static struct clk *sys_clks[] = {
- &clk_p66
-};
-
static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
{
return clk_get_rate(clk->parent) / 2;
@@ -240,73 +240,73 @@ static struct clk init_clocks_disable[] = {
}, {
.name = "systimer",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<16),
}, {
.name = "watchdog",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<22),
}, {
.name = "rtc",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<15),
}, {
.name = "i2c",
.id = 0,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<7),
}, {
.name = "i2c",
.id = 1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<8),
}, {
.name = "i2c",
.id = 2,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<9),
}, {
.name = "spi",
.id = 0,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<12),
}, {
.name = "spi",
.id = 1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<13),
}, {
.name = "spi",
.id = 2,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<14),
}, {
.name = "timers",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<23),
}, {
.name = "adc",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<24),
}, {
.name = "keypad",
.id = -1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<21),
}, {
@@ -341,25 +341,25 @@ static struct clk init_clocks[] = {
}, {
.name = "uart",
.id = 0,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<7),
}, {
.name = "uart",
.id = 1,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<8),
}, {
.name = "uart",
.id = 2,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<9),
}, {
.name = "uart",
.id = 3,
- .parent = &clk_p66,
+ .parent = &clk_pclk_psys.clk,
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<10),
},
@@ -401,10 +401,9 @@ static struct clksrc_clk *sysclks[] = {
&clk_hclk_psys,
&clk_pclk_msys,
&clk_pclk_dsys,
+ &clk_pclk_psys,
};
-#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
-
void __init_or_cpufreq s5pv210_setup_clocks(void)
{
struct clk *xtal_clk;
@@ -415,7 +414,7 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
unsigned long hclk_psys;
unsigned long pclk_msys;
unsigned long pclk_dsys;
- unsigned long pclk66;
+ unsigned long pclk_psys;
unsigned long apll;
unsigned long mpll;
unsigned long epll;
@@ -455,17 +454,16 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
hclk_psys = clk_get_rate(&clk_hclk_psys.clk);
pclk_msys = clk_get_rate(&clk_pclk_msys.clk);
pclk_dsys = clk_get_rate(&clk_pclk_dsys.clk);
- pclk66 = hclk_psys / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK66);
+ pclk_psys = clk_get_rate(&clk_pclk_psys.clk);
printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld\n"
"HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
armclk, hclk_msys, hclk_dsys, hclk_psys,
- pclk_msys, pclk_dsys, pclk66);
+ pclk_msys, pclk_dsys, pclk_psys);
clk_f.rate = armclk;
clk_h.rate = hclk_psys;
- clk_p.rate = pclk66;
- clk_p66.rate = pclk66;
+ clk_p.rate = pclk_psys;
for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
s3c_set_clksrc(&clksrcs[ptr], true);
@@ -490,10 +488,6 @@ void __init s5pv210_register_clocks(void)
s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
- ret = s3c24xx_register_clocks(sys_clks, ARRAY_SIZE(sys_clks));
- if (ret > 0)
- printk(KERN_ERR "Failed to register system clocks\n");
-
clkp = init_clocks_disable;
for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
ret = s3c24xx_register_clock(clkp);
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