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Diffstat (limited to 'arch/arm/plat-s5pc1xx/s5pc100-clock.c')
-rw-r--r--arch/arm/plat-s5pc1xx/s5pc100-clock.c770
1 files changed, 251 insertions, 519 deletions
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
index b436d44510c8..2bf6c57a96a2 100644
--- a/arch/arm/plat-s5pc1xx/s5pc100-clock.c
+++ b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
@@ -29,6 +29,7 @@
#include <plat/regs-clock.h>
#include <plat/clock.h>
+#include <plat/clock-clksrc.h>
#include <plat/cpu.h>
#include <plat/pll.h>
#include <plat/devs.h>
@@ -51,23 +52,6 @@ static struct clk clk_ext_xtal_mux = {
#define clk_fout_mpll clk_mpll
#define clk_vclk_54m clk_54m
-struct clk_sources {
- unsigned int nr_sources;
- struct clk **sources;
-};
-
-struct clksrc_clk {
- struct clk clk;
- unsigned int mask;
- unsigned int shift;
-
- struct clk_sources *sources;
-
- unsigned int divider_shift;
- void __iomem *reg_divider;
- void __iomem *reg_source;
-};
-
/* APLL */
static struct clk clk_fout_apll = {
.name = "fout_apll",
@@ -80,7 +64,7 @@ static struct clk *clk_src_apll_list[] = {
[1] = &clk_fout_apll,
};
-static struct clk_sources clk_src_apll = {
+static struct clksrc_sources clk_src_apll = {
.sources = clk_src_apll_list,
.nr_sources = ARRAY_SIZE(clk_src_apll_list),
};
@@ -90,10 +74,8 @@ static struct clksrc_clk clk_mout_apll = {
.name = "mout_apll",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_APLL_SHIFT,
- .mask = S5PC100_CLKSRC0_APLL_MASK,
.sources = &clk_src_apll,
- .reg_source = S5PC100_CLKSRC0,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 0, .size = 1, },
};
static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk)
@@ -111,7 +93,9 @@ static struct clk clk_dout_apll = {
.name = "dout_apll",
.id = -1,
.parent = &clk_mout_apll.clk,
- .get_rate = s5pc100_clk_dout_apll_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_apll_get_rate,
+ },
};
static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk)
@@ -165,9 +149,11 @@ static struct clk clk_arm = {
.name = "armclk",
.id = -1,
.parent = &clk_dout_apll,
- .get_rate = s5pc100_clk_arm_get_rate,
- .set_rate = s5pc100_clk_arm_set_rate,
- .round_rate = s5pc100_clk_arm_round_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_arm_get_rate,
+ .set_rate = s5pc100_clk_arm_set_rate,
+ .round_rate = s5pc100_clk_arm_round_rate,
+ },
};
static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk)
@@ -185,7 +171,9 @@ static struct clk clk_dout_d0_bus = {
.name = "dout_d0_bus",
.id = -1,
.parent = &clk_arm,
- .get_rate = s5pc100_clk_dout_d0_bus_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_d0_bus_get_rate,
+ },
};
static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk)
@@ -203,7 +191,9 @@ static struct clk clk_dout_pclkd0 = {
.name = "dout_pclkd0",
.id = -1,
.parent = &clk_dout_d0_bus,
- .get_rate = s5pc100_clk_dout_pclkd0_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_pclkd0_get_rate,
+ },
};
static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk)
@@ -221,7 +211,9 @@ static struct clk clk_dout_apll2 = {
.name = "dout_apll2",
.id = -1,
.parent = &clk_mout_apll.clk,
- .get_rate = s5pc100_clk_dout_apll2_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_apll2_get_rate,
+ },
};
/* MPLL */
@@ -230,7 +222,7 @@ static struct clk *clk_src_mpll_list[] = {
[1] = &clk_fout_mpll,
};
-static struct clk_sources clk_src_mpll = {
+static struct clksrc_sources clk_src_mpll = {
.sources = clk_src_mpll_list,
.nr_sources = ARRAY_SIZE(clk_src_mpll_list),
};
@@ -240,10 +232,8 @@ static struct clksrc_clk clk_mout_mpll = {
.name = "mout_mpll",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_MPLL_SHIFT,
- .mask = S5PC100_CLKSRC0_MPLL_MASK,
.sources = &clk_src_mpll,
- .reg_source = S5PC100_CLKSRC0,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 4, .size = 1, },
};
static struct clk *clkset_am_list[] = {
@@ -251,7 +241,7 @@ static struct clk *clkset_am_list[] = {
[1] = &clk_dout_apll2,
};
-static struct clk_sources clk_src_am = {
+static struct clksrc_sources clk_src_am = {
.sources = clkset_am_list,
.nr_sources = ARRAY_SIZE(clkset_am_list),
};
@@ -261,10 +251,8 @@ static struct clksrc_clk clk_mout_am = {
.name = "mout_am",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_AMMUX_SHIFT,
- .mask = S5PC100_CLKSRC0_AMMUX_MASK,
.sources = &clk_src_am,
- .reg_source = S5PC100_CLKSRC0,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 16, .size = 1, },
};
static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk)
@@ -284,7 +272,9 @@ static struct clk clk_dout_d1_bus = {
.name = "dout_d1_bus",
.id = -1,
.parent = &clk_mout_am.clk,
- .get_rate = s5pc100_clk_dout_d1_bus_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_d1_bus_get_rate,
+ },
};
static struct clk *clkset_onenand_list[] = {
@@ -292,7 +282,7 @@ static struct clk *clkset_onenand_list[] = {
[1] = &clk_dout_d1_bus,
};
-static struct clk_sources clk_src_onenand = {
+static struct clksrc_sources clk_src_onenand = {
.sources = clkset_onenand_list,
.nr_sources = ARRAY_SIZE(clkset_onenand_list),
};
@@ -302,10 +292,8 @@ static struct clksrc_clk clk_mout_onenand = {
.name = "mout_onenand",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_ONENAND_SHIFT,
- .mask = S5PC100_CLKSRC0_ONENAND_MASK,
.sources = &clk_src_onenand,
- .reg_source = S5PC100_CLKSRC0,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 24, .size = 1, },
};
static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk)
@@ -325,7 +313,9 @@ static struct clk clk_dout_pclkd1 = {
.name = "dout_pclkd1",
.id = -1,
.parent = &clk_dout_d1_bus,
- .get_rate = s5pc100_clk_dout_pclkd1_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_pclkd1_get_rate,
+ },
};
static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk)
@@ -345,7 +335,9 @@ static struct clk clk_dout_mpll2 = {
.name = "dout_mpll2",
.id = -1,
.parent = &clk_mout_am.clk,
- .get_rate = s5pc100_clk_dout_mpll2_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_mpll2_get_rate,
+ },
};
static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk)
@@ -365,7 +357,9 @@ static struct clk clk_dout_cam = {
.name = "dout_cam",
.id = -1,
.parent = &clk_dout_mpll2,
- .get_rate = s5pc100_clk_dout_cam_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_cam_get_rate,
+ },
};
static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk)
@@ -385,7 +379,9 @@ static struct clk clk_dout_mpll = {
.name = "dout_mpll",
.id = -1,
.parent = &clk_mout_am.clk,
- .get_rate = s5pc100_clk_dout_mpll_get_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s5pc100_clk_dout_mpll_get_rate,
+ },
};
/* EPLL */
@@ -399,7 +395,7 @@ static struct clk *clk_src_epll_list[] = {
[1] = &clk_fout_epll,
};
-static struct clk_sources clk_src_epll = {
+static struct clksrc_sources clk_src_epll = {
.sources = clk_src_epll_list,
.nr_sources = ARRAY_SIZE(clk_src_epll_list),
};
@@ -409,10 +405,8 @@ static struct clksrc_clk clk_mout_epll = {
.name = "mout_epll",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_EPLL_SHIFT,
- .mask = S5PC100_CLKSRC0_EPLL_MASK,
- .sources = &clk_src_epll,
- .reg_source = S5PC100_CLKSRC0,
+ .sources = &clk_src_epll,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 8, .size = 1, },
};
/* HPLL */
@@ -426,7 +420,7 @@ static struct clk *clk_src_hpll_list[] = {
[1] = &clk_fout_hpll,
};
-static struct clk_sources clk_src_hpll = {
+static struct clksrc_sources clk_src_hpll = {
.sources = clk_src_hpll_list,
.nr_sources = ARRAY_SIZE(clk_src_hpll_list),
};
@@ -436,10 +430,8 @@ static struct clksrc_clk clk_mout_hpll = {
.name = "mout_hpll",
.id = -1,
},
- .shift = S5PC100_CLKSRC0_HPLL_SHIFT,
- .mask = S5PC100_CLKSRC0_HPLL_MASK,
- .sources = &clk_src_hpll,
- .reg_source = S5PC100_CLKSRC0,
+ .sources = &clk_src_hpll,
+ .reg_src = { .reg = S5PC100_CLKSRC0, .shift = 12, .size = 1, },
};
/* Peripherals */
@@ -454,190 +446,6 @@ static struct clksrc_clk clk_mout_hpll = {
* have a common parent divisor so are not included here.
*/
-static inline struct clksrc_clk *to_clksrc(struct clk *clk)
-{
- return container_of(clk, struct clksrc_clk, clk);
-}
-
-static unsigned long s5pc100_getrate_clksrc(struct clk *clk)
-{
- struct clksrc_clk *sclk = to_clksrc(clk);
- unsigned long rate = clk_get_rate(clk->parent);
- u32 clkdiv = __raw_readl(sclk->reg_divider);
-
- clkdiv >>= sclk->divider_shift;
- clkdiv &= 0xf;
- clkdiv++;
-
- rate /= clkdiv;
- return rate;
-}
-
-static int s5pc100_setrate_clksrc(struct clk *clk, unsigned long rate)
-{
- struct clksrc_clk *sclk = to_clksrc(clk);
- void __iomem *reg = sclk->reg_divider;
- unsigned int div;
- u32 val;
-
- rate = clk_round_rate(clk, rate);
- div = clk_get_rate(clk->parent) / rate;
- if (div > 16)
- return -EINVAL;
-
- val = __raw_readl(reg);
- val &= ~(0xf << sclk->divider_shift);
- val |= (div - 1) << sclk->divider_shift;
- __raw_writel(val, reg);
-
- return 0;
-}
-
-static int s5pc100_setparent_clksrc(struct clk *clk, struct clk *parent)
-{
- struct clksrc_clk *sclk = to_clksrc(clk);
- struct clk_sources *srcs = sclk->sources;
- u32 clksrc = __raw_readl(sclk->reg_source);
- int src_nr = -1;
- int ptr;
-
- for (ptr = 0; ptr < srcs->nr_sources; ptr++)
- if (srcs->sources[ptr] == parent) {
- src_nr = ptr;
- break;
- }
-
- if (src_nr >= 0) {
- clksrc &= ~sclk->mask;
- clksrc |= src_nr << sclk->shift;
-
- __raw_writel(clksrc, sclk->reg_source);
- return 0;
- }
-
- return -EINVAL;
-}
-
-static unsigned long s5pc100_roundrate_clksrc(struct clk *clk,
- unsigned long rate)
-{
- unsigned long parent_rate = clk_get_rate(clk->parent);
- int div;
-
- if (rate > parent_rate)
- rate = parent_rate;
- else {
- div = rate / parent_rate;
-
- if (div == 0)
- div = 1;
- if (div > 16)
- div = 16;
-
- rate = parent_rate / div;
- }
-
- return rate;
-}
-
-static struct clk *clkset_spi_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll2,
- &clk_fin_epll,
- &clk_mout_hpll.clk,
-};
-
-static struct clk_sources clkset_spi = {
- .sources = clkset_spi_list,
- .nr_sources = ARRAY_SIZE(clkset_spi_list),
-};
-
-static struct clksrc_clk clk_spi0 = {
- .clk = {
- .name = "spi_bus",
- .id = 0,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC1_SPI0_SHIFT,
- .mask = S5PC100_CLKSRC1_SPI0_MASK,
- .sources = &clkset_spi,
- .divider_shift = S5PC100_CLKDIV2_SPI0_SHIFT,
- .reg_divider = S5PC100_CLKDIV2,
- .reg_source = S5PC100_CLKSRC1,
-};
-
-static struct clksrc_clk clk_spi1 = {
- .clk = {
- .name = "spi_bus",
- .id = 1,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC1_SPI1_SHIFT,
- .mask = S5PC100_CLKSRC1_SPI1_MASK,
- .sources = &clkset_spi,
- .divider_shift = S5PC100_CLKDIV2_SPI1_SHIFT,
- .reg_divider = S5PC100_CLKDIV2,
- .reg_source = S5PC100_CLKSRC1,
-};
-
-static struct clksrc_clk clk_spi2 = {
- .clk = {
- .name = "spi_bus",
- .id = 2,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC1_SPI2_SHIFT,
- .mask = S5PC100_CLKSRC1_SPI2_MASK,
- .sources = &clkset_spi,
- .divider_shift = S5PC100_CLKDIV2_SPI2_SHIFT,
- .reg_divider = S5PC100_CLKDIV2,
- .reg_source = S5PC100_CLKSRC1,
-};
-
-static struct clk *clkset_uart_list[] = {
- &clk_mout_epll.clk,
- &clk_dout_mpll,
-};
-
-static struct clk_sources clkset_uart = {
- .sources = clkset_uart_list,
- .nr_sources = ARRAY_SIZE(clkset_uart_list),
-};
-
-static struct clksrc_clk clk_uart_uclk1 = {
- .clk = {
- .name = "uclk1",
- .id = -1,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_UART,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC1_UART_SHIFT,
- .mask = S5PC100_CLKSRC1_UART_MASK,
- .sources = &clkset_uart,
- .divider_shift = S5PC100_CLKDIV2_UART_SHIFT,
- .reg_divider = S5PC100_CLKDIV2,
- .reg_source = S5PC100_CLKSRC1,
-};
-
static struct clk clk_iis_cd0 = {
.name = "iis_cdclk0",
.id = -1,
@@ -672,28 +480,31 @@ static struct clk *clkset_audio0_list[] = {
&clk_mout_hpll.clk,
};
-static struct clk_sources clkset_audio0 = {
+static struct clksrc_sources clkset_audio0 = {
.sources = clkset_audio0_list,
.nr_sources = ARRAY_SIZE(clkset_audio0_list),
};
-static struct clksrc_clk clk_audio0 = {
- .clk = {
- .name = "audio-bus",
- .id = 0,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO0,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC3_AUDIO0_SHIFT,
- .mask = S5PC100_CLKSRC3_AUDIO0_MASK,
- .sources = &clkset_audio0,
- .divider_shift = S5PC100_CLKDIV4_AUDIO0_SHIFT,
- .reg_divider = S5PC100_CLKDIV4,
- .reg_source = S5PC100_CLKSRC3,
+static struct clk *clkset_spi_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll2,
+ &clk_fin_epll,
+ &clk_mout_hpll.clk,
+};
+
+static struct clksrc_sources clkset_spi = {
+ .sources = clkset_spi_list,
+ .nr_sources = ARRAY_SIZE(clkset_spi_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+ &clk_mout_epll.clk,
+ &clk_dout_mpll,
+};
+
+static struct clksrc_sources clkset_uart = {
+ .sources = clkset_uart_list,
+ .nr_sources = ARRAY_SIZE(clkset_uart_list),
};
static struct clk *clkset_audio1_list[] = {
@@ -705,30 +516,11 @@ static struct clk *clkset_audio1_list[] = {
&clk_mout_hpll.clk,
};
-static struct clk_sources clkset_audio1 = {
+static struct clksrc_sources clkset_audio1 = {
.sources = clkset_audio1_list,
.nr_sources = ARRAY_SIZE(clkset_audio1_list),
};
-static struct clksrc_clk clk_audio1 = {
- .clk = {
- .name = "audio-bus",
- .id = 1,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO1,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC3_AUDIO1_SHIFT,
- .mask = S5PC100_CLKSRC3_AUDIO1_MASK,
- .sources = &clkset_audio1,
- .divider_shift = S5PC100_CLKDIV4_AUDIO1_SHIFT,
- .reg_divider = S5PC100_CLKDIV4,
- .reg_source = S5PC100_CLKSRC3,
-};
-
static struct clk *clkset_audio2_list[] = {
&clk_mout_epll.clk,
&clk_dout_mpll,
@@ -737,52 +529,56 @@ static struct clk *clkset_audio2_list[] = {
&clk_mout_hpll.clk,
};
-static struct clk_sources clkset_audio2 = {
+static struct clksrc_sources clkset_audio2 = {
.sources = clkset_audio2_list,
.nr_sources = ARRAY_SIZE(clkset_audio2_list),
};
-static struct clksrc_clk clk_audio2 = {
- .clk = {
- .name = "audio-bus",
- .id = 2,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO2,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
+static struct clksrc_clk clksrc_audio[] = {
+ {
+ .clk = {
+ .name = "audio-bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO0,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_audio0,
+ .reg_div = { .reg = S5PC100_CLKDIV4, .shift = 12, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC3, .shift = 12, .size = 3, },
+ }, {
+ .clk = {
+ .name = "audio-bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO1,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_audio1,
+ .reg_div = { .reg = S5PC100_CLKDIV4, .shift = 16, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC3, .shift = 16, .size = 3, },
+ }, {
+ .clk = {
+ .name = "audio-bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_AUDIO2,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_audio2,
+ .reg_div = { .reg = S5PC100_CLKDIV4, .shift = 20, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC3, .shift = 20, .size = 3, },
},
- .shift = S5PC100_CLKSRC3_AUDIO2_SHIFT,
- .mask = S5PC100_CLKSRC3_AUDIO2_MASK,
- .sources = &clkset_audio2,
- .divider_shift = S5PC100_CLKDIV4_AUDIO2_SHIFT,
- .reg_divider = S5PC100_CLKDIV4,
- .reg_source = S5PC100_CLKSRC3,
};
static struct clk *clkset_spdif_list[] = {
- &clk_audio0.clk,
- &clk_audio1.clk,
- &clk_audio2.clk,
+ &clksrc_audio[0].clk,
+ &clksrc_audio[1].clk,
+ &clksrc_audio[2].clk,
};
-static struct clk_sources clkset_spdif = {
+static struct clksrc_sources clkset_spdif = {
.sources = clkset_spdif_list,
.nr_sources = ARRAY_SIZE(clkset_spdif_list),
};
-static struct clksrc_clk clk_spdif = {
- .clk = {
- .name = "spdif",
- .id = -1,
- },
- .shift = S5PC100_CLKSRC3_SPDIF_SHIFT,
- .mask = S5PC100_CLKSRC3_SPDIF_MASK,
- .sources = &clkset_spdif,
- .reg_source = S5PC100_CLKSRC3,
-};
-
static struct clk *clkset_lcd_fimc_list[] = {
&clk_mout_epll.clk,
&clk_dout_mpll,
@@ -790,87 +586,11 @@ static struct clk *clkset_lcd_fimc_list[] = {
&clk_vclk_54m,
};
-static struct clk_sources clkset_lcd_fimc = {
+static struct clksrc_sources clkset_lcd_fimc = {
.sources = clkset_lcd_fimc_list,
.nr_sources = ARRAY_SIZE(clkset_lcd_fimc_list),
};
-static struct clksrc_clk clk_lcd = {
- .clk = {
- .name = "lcd",
- .id = -1,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_LCD,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_LCD_SHIFT,
- .mask = S5PC100_CLKSRC2_LCD_MASK,
- .sources = &clkset_lcd_fimc,
- .divider_shift = S5PC100_CLKDIV3_LCD_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc0 = {
- .clk = {
- .name = "fimc",
- .id = 0,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC0,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_FIMC0_SHIFT,
- .mask = S5PC100_CLKSRC2_FIMC0_MASK,
- .sources = &clkset_lcd_fimc,
- .divider_shift = S5PC100_CLKDIV3_FIMC0_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc1 = {
- .clk = {
- .name = "fimc",
- .id = 1,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC1,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_FIMC1_SHIFT,
- .mask = S5PC100_CLKSRC2_FIMC1_MASK,
- .sources = &clkset_lcd_fimc,
- .divider_shift = S5PC100_CLKDIV3_FIMC1_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc2 = {
- .clk = {
- .name = "fimc",
- .id = 2,
- .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC2,
- .enable = s5pc100_sclk1_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_FIMC2_SHIFT,
- .mask = S5PC100_CLKSRC2_FIMC2_MASK,
- .sources = &clkset_lcd_fimc,
- .divider_shift = S5PC100_CLKDIV3_FIMC2_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
static struct clk *clkset_mmc_list[] = {
&clk_mout_epll.clk,
&clk_dout_mpll,
@@ -878,69 +598,11 @@ static struct clk *clkset_mmc_list[] = {
&clk_mout_hpll.clk ,
};
-static struct clk_sources clkset_mmc = {
+static struct clksrc_sources clkset_mmc = {
.sources = clkset_mmc_list,
.nr_sources = ARRAY_SIZE(clkset_mmc_list),
};
-static struct clksrc_clk clk_mmc0 = {
- .clk = {
- .name = "mmc_bus",
- .id = 0,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_MMC0_SHIFT,
- .mask = S5PC100_CLKSRC2_MMC0_MASK,
- .sources = &clkset_mmc,
- .divider_shift = S5PC100_CLKDIV3_MMC0_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_mmc1 = {
- .clk = {
- .name = "mmc_bus",
- .id = 1,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_MMC1_SHIFT,
- .mask = S5PC100_CLKSRC2_MMC1_MASK,
- .sources = &clkset_mmc,
- .divider_shift = S5PC100_CLKDIV3_MMC1_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_mmc2 = {
- .clk = {
- .name = "mmc_bus",
- .id = 2,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC2_MMC2_SHIFT,
- .mask = S5PC100_CLKSRC2_MMC2_MASK,
- .sources = &clkset_mmc,
- .divider_shift = S5PC100_CLKDIV3_MMC2_SHIFT,
- .reg_divider = S5PC100_CLKDIV3,
- .reg_source = S5PC100_CLKSRC2,
-};
-
-
static struct clk *clkset_usbhost_list[] = {
&clk_mout_epll.clk,
&clk_dout_mpll,
@@ -948,28 +610,141 @@ static struct clk *clkset_usbhost_list[] = {
&clk_48m,
};
-static struct clk_sources clkset_usbhost = {
+static struct clksrc_sources clkset_usbhost = {
.sources = clkset_usbhost_list,
.nr_sources = ARRAY_SIZE(clkset_usbhost_list),
};
-static struct clksrc_clk clk_usbhost = {
- .clk = {
- .name = "usbhost",
- .id = -1,
- .ctrlbit = S5PC100_CLKGATE_SCLK0_USBHOST,
- .enable = s5pc100_sclk0_ctrl,
- .set_parent = s5pc100_setparent_clksrc,
- .get_rate = s5pc100_getrate_clksrc,
- .set_rate = s5pc100_setrate_clksrc,
- .round_rate = s5pc100_roundrate_clksrc,
- },
- .shift = S5PC100_CLKSRC1_UHOST_SHIFT,
- .mask = S5PC100_CLKSRC1_UHOST_MASK,
- .sources = &clkset_usbhost,
- .divider_shift = S5PC100_CLKDIV2_UHOST_SHIFT,
- .reg_divider = S5PC100_CLKDIV2,
- .reg_source = S5PC100_CLKSRC1,
+static struct clksrc_clk clksrc_clks[] = {
+ {
+ .clk = {
+ .name = "spi_bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI0,
+ .enable = s5pc100_sclk0_ctrl,
+
+ },
+ .sources = &clkset_spi,
+ .reg_div = { .reg = S5PC100_CLKDIV2, .shift = 4, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC1, .shift = 4, .size = 2, },
+ }, {
+ .clk = {
+ .name = "spi_bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI1,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_spi,
+ .reg_div = { .reg = S5PC100_CLKDIV2, .shift = 8, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC1, .shift = 8, .size = 2, },
+ }, {
+ .clk = {
+ .name = "spi_bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_SPI2,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_spi,
+ .reg_div = { .reg = S5PC100_CLKDIV2, .shift = 12, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC1, .shift = 12, .size = 2, },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = -1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_UART,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_uart,
+ .reg_div = { .reg = S5PC100_CLKDIV2, .shift = 0, .size = 3, },
+ .reg_src = { .reg = S5PC100_CLKSRC1, .shift = 0, .size = 1, },
+ }, {
+ .clk = {
+ .name = "spdif",
+ .id = -1,
+ },
+ .sources = &clkset_spdif,
+ .reg_src = { .reg = S5PC100_CLKSRC3, .shift = 24, .size = 2, },
+ }, {
+ .clk = {
+ .name = "lcd",
+ .id = -1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_LCD,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_lcd_fimc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 12, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 12, .size = 2, },
+ }, {
+ .clk = {
+ .name = "fimc",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC0,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_lcd_fimc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 16, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 16, .size = 2, },
+ }, {
+ .clk = {
+ .name = "fimc",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC1,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_lcd_fimc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 20, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 20, .size = 2, },
+ }, {
+ .clk = {
+ .name = "fimc",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK1_FIMC2,
+ .enable = s5pc100_sclk1_ctrl,
+ },
+ .sources = &clkset_lcd_fimc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 24, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 24, .size = 2, },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 0,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC0,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_mmc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 0, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 0, .size = 2, },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC1,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_mmc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 4, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 4, .size = 2, },
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 2,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_MMC2,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_mmc,
+ .reg_div = { .reg = S5PC100_CLKDIV3, .shift = 8, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC2, .shift = 8, .size = 2, },
+ }, {
+ .clk = {
+ .name = "usbhost",
+ .id = -1,
+ .ctrlbit = S5PC100_CLKGATE_SCLK0_USBHOST,
+ .enable = s5pc100_sclk0_ctrl,
+ },
+ .sources = &clkset_usbhost,
+ .reg_div = { .reg = S5PC100_CLKDIV2, .shift = 20, .size = 4, },
+ .reg_src = { .reg = S5PC100_CLKSRC1, .shift = 20, .size = 2, },
+ }
};
/* Clock initialisation code */
@@ -981,45 +756,8 @@ static struct clksrc_clk *init_parents[] = {
&clk_mout_onenand,
&clk_mout_epll,
&clk_mout_hpll,
- &clk_spi0,
- &clk_spi1,
- &clk_spi2,
- &clk_uart_uclk1,
- &clk_audio0,
- &clk_audio1,
- &clk_audio2,
- &clk_spdif,
- &clk_lcd,
- &clk_fimc0,
- &clk_fimc1,
- &clk_fimc2,
- &clk_mmc0,
- &clk_mmc1,
- &clk_mmc2,
- &clk_usbhost,
};
-static void __init_or_cpufreq s5pc100_set_clksrc(struct clksrc_clk *clk)
-{
- struct clk_sources *srcs = clk->sources;
- u32 clksrc = __raw_readl(clk->reg_source);
-
- clksrc &= clk->mask;
- clksrc >>= clk->shift;
-
- if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) {
- printk(KERN_ERR "%s: bad source %d\n",
- clk->clk.name, clksrc);
- return;
- }
-
- clk->clk.parent = srcs->sources[clksrc];
-
- printk(KERN_INFO "%s: source is %s (%d), rate is %ld.%03ld MHz\n",
- clk->clk.name, clk->clk.parent->name, clksrc,
- print_mhz(clk_get_rate(&clk->clk)));
-}
-
#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
void __init_or_cpufreq s5pc100_setup_clocks(void)
@@ -1083,17 +821,25 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
clk_f.rate = armclk;
for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
- s5pc100_set_clksrc(init_parents[ptr]);
+ s3c_set_clksrc(init_parents[ptr], true);
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrc_audio); ptr++)
+ s3c_set_clksrc(clksrc_audio + ptr, true);
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++)
+ s3c_set_clksrc(clksrc_clks + ptr, true);
}
static struct clk *clks[] __initdata = {
&clk_ext_xtal_mux,
- &clk_mout_apll.clk,
&clk_dout_apll,
&clk_dout_d0_bus,
&clk_dout_pclkd0,
&clk_dout_apll2,
+ &clk_mout_apll.clk,
&clk_mout_mpll.clk,
+ &clk_mout_epll.clk,
+ &clk_mout_hpll.clk,
&clk_mout_am.clk,
&clk_dout_d1_bus,
&clk_mout_onenand.clk,
@@ -1101,29 +847,12 @@ static struct clk *clks[] __initdata = {
&clk_dout_mpll2,
&clk_dout_cam,
&clk_dout_mpll,
- &clk_mout_epll.clk,
&clk_fout_epll,
&clk_iis_cd0,
&clk_iis_cd1,
&clk_iis_cd2,
&clk_pcm_cd0,
&clk_pcm_cd1,
- &clk_spi0.clk,
- &clk_spi1.clk,
- &clk_spi2.clk,
- &clk_uart_uclk1.clk,
- &clk_audio0.clk,
- &clk_audio1.clk,
- &clk_audio2.clk,
- &clk_spdif.clk,
- &clk_lcd.clk,
- &clk_fimc0.clk,
- &clk_fimc1.clk,
- &clk_fimc2.clk,
- &clk_mmc0.clk,
- &clk_mmc1.clk,
- &clk_mmc2.clk,
- &clk_usbhost.clk,
&clk_arm,
};
@@ -1141,4 +870,7 @@ void __init s5pc100_register_clocks(void)
clkp->name, ret);
}
}
+
+ s3c_register_clksrc(clksrc_audio, ARRAY_SIZE(clksrc_audio));
+ s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks));
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.