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Diffstat (limited to 'arch/arm/plat-s3c64xx/s3c6400-clock.c')
-rw-r--r--arch/arm/plat-s3c64xx/s3c6400-clock.c510
1 files changed, 144 insertions, 366 deletions
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c
index ffd56deb9e8..cb2bf4bff05 100644
--- a/arch/arm/plat-s3c64xx/s3c6400-clock.c
+++ b/arch/arm/plat-s3c64xx/s3c6400-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>
@@ -48,22 +49,6 @@ static struct clk clk_ext_xtal_mux = {
#define clk_fout_mpll clk_mpll
#define clk_fout_epll clk_epll
-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;
-};
-
static struct clk clk_fout_apll = {
.name = "fout_apll",
.id = -1,
@@ -74,7 +59,7 @@ 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),
};
@@ -84,8 +69,7 @@ static struct clksrc_clk clk_mout_apll = {
.name = "mout_apll",
.id = -1,
},
- .shift = S3C6400_CLKSRC_APLL_MOUT_SHIFT,
- .mask = S3C6400_CLKSRC_APLL_MOUT,
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 0, .size = 1 },
.sources = &clk_src_apll,
};
@@ -94,7 +78,7 @@ 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),
};
@@ -104,8 +88,7 @@ static struct clksrc_clk clk_mout_epll = {
.name = "mout_epll",
.id = -1,
},
- .shift = S3C6400_CLKSRC_EPLL_MOUT_SHIFT,
- .mask = S3C6400_CLKSRC_EPLL_MOUT,
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 2, .size = 1 },
.sources = &clk_src_epll,
};
@@ -114,7 +97,7 @@ 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),
};
@@ -124,8 +107,7 @@ static struct clksrc_clk clk_mout_mpll = {
.name = "mout_mpll",
.id = -1,
},
- .shift = S3C6400_CLKSRC_MPLL_MOUT_SHIFT,
- .mask = S3C6400_CLKSRC_MPLL_MOUT,
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 1, .size = 1 },
.sources = &clk_src_mpll,
};
@@ -183,9 +165,11 @@ static struct clk clk_arm = {
.name = "armclk",
.id = -1,
.parent = &clk_mout_apll.clk,
- .get_rate = s3c64xx_clk_arm_get_rate,
- .set_rate = s3c64xx_clk_arm_set_rate,
- .round_rate = s3c64xx_clk_arm_round_rate,
+ .ops = &(struct clk_ops) {
+ .get_rate = s3c64xx_clk_arm_get_rate,
+ .set_rate = s3c64xx_clk_arm_set_rate,
+ .round_rate = s3c64xx_clk_arm_round_rate,
+ },
};
static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk)
@@ -200,11 +184,15 @@ static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk)
return rate;
}
+static struct clk_ops clk_dout_ops = {
+ .get_rate = s3c64xx_clk_doutmpll_get_rate,
+};
+
static struct clk clk_dout_mpll = {
.name = "dout_mpll",
.id = -1,
.parent = &clk_mout_mpll.clk,
- .get_rate = s3c64xx_clk_doutmpll_get_rate,
+ .ops = &clk_dout_ops,
};
static struct clk *clkset_spi_mmc_list[] = {
@@ -214,7 +202,7 @@ static struct clk *clkset_spi_mmc_list[] = {
&clk_27m,
};
-static struct clk_sources clkset_spi_mmc = {
+static struct clksrc_sources clkset_spi_mmc = {
.sources = clkset_spi_mmc_list,
.nr_sources = ARRAY_SIZE(clkset_spi_mmc_list),
};
@@ -226,7 +214,7 @@ static struct clk *clkset_irda_list[] = {
&clk_27m,
};
-static struct clk_sources clkset_irda = {
+static struct clksrc_sources clkset_irda = {
.sources = clkset_irda_list,
.nr_sources = ARRAY_SIZE(clkset_irda_list),
};
@@ -238,7 +226,7 @@ static struct clk *clkset_uart_list[] = {
NULL
};
-static struct clk_sources clkset_uart = {
+static struct clksrc_sources clkset_uart = {
.sources = clkset_uart_list,
.nr_sources = ARRAY_SIZE(clkset_uart_list),
};
@@ -250,12 +238,11 @@ static struct clk *clkset_uhost_list[] = {
&clk_fin_epll,
};
-static struct clk_sources clkset_uhost = {
+static struct clksrc_sources clkset_uhost = {
.sources = clkset_uhost_list,
.nr_sources = ARRAY_SIZE(clkset_uhost_list),
};
-
/* The peripheral clocks are all controlled via clocksource followed
* by an optional divider and gate stage. We currently roll this into
* one clock which hides the intermediate clock from the mux.
@@ -266,221 +253,7 @@ static struct clk_sources clkset_uhost = {
* 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 s3c64xx_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 s3c64xx_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 s3c64xx_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(S3C_CLK_SRC);
- 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, S3C_CLK_SRC);
-
- clk->parent = parent;
- return 0;
- }
-
- return -EINVAL;
-}
-
-static unsigned long s3c64xx_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 = parent_rate / rate;
-
- if (div == 0)
- div = 1;
- if (div > 16)
- div = 16;
-
- rate = parent_rate / div;
- }
-
- return rate;
-}
-
-static struct clksrc_clk clk_mmc0 = {
- .clk = {
- .name = "mmc_bus",
- .id = 0,
- .ctrlbit = S3C_CLKCON_SCLK_MMC0,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_MMC0_SHIFT,
- .mask = S3C6400_CLKSRC_MMC0_MASK,
- .sources = &clkset_spi_mmc,
- .divider_shift = S3C6400_CLKDIV1_MMC0_SHIFT,
- .reg_divider = S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_mmc1 = {
- .clk = {
- .name = "mmc_bus",
- .id = 1,
- .ctrlbit = S3C_CLKCON_SCLK_MMC1,
- .enable = s3c64xx_sclk_ctrl,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .set_parent = s3c64xx_setparent_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_MMC1_SHIFT,
- .mask = S3C6400_CLKSRC_MMC1_MASK,
- .sources = &clkset_spi_mmc,
- .divider_shift = S3C6400_CLKDIV1_MMC1_SHIFT,
- .reg_divider = S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_mmc2 = {
- .clk = {
- .name = "mmc_bus",
- .id = 2,
- .ctrlbit = S3C_CLKCON_SCLK_MMC2,
- .enable = s3c64xx_sclk_ctrl,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .set_parent = s3c64xx_setparent_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_MMC2_SHIFT,
- .mask = S3C6400_CLKSRC_MMC2_MASK,
- .sources = &clkset_spi_mmc,
- .divider_shift = S3C6400_CLKDIV1_MMC2_SHIFT,
- .reg_divider = S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_usbhost = {
- .clk = {
- .name = "usb-bus-host",
- .id = -1,
- .ctrlbit = S3C_CLKCON_SCLK_UHOST,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_UHOST_SHIFT,
- .mask = S3C6400_CLKSRC_UHOST_MASK,
- .sources = &clkset_uhost,
- .divider_shift = S3C6400_CLKDIV1_UHOST_SHIFT,
- .reg_divider = S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_uart_uclk1 = {
- .clk = {
- .name = "uclk1",
- .id = -1,
- .ctrlbit = S3C_CLKCON_SCLK_UART,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_UART_SHIFT,
- .mask = S3C6400_CLKSRC_UART_MASK,
- .sources = &clkset_uart,
- .divider_shift = S3C6400_CLKDIV2_UART_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
-
-/* Where does UCLK0 come from? */
-
-static struct clksrc_clk clk_spi0 = {
- .clk = {
- .name = "spi-bus",
- .id = 0,
- .ctrlbit = S3C_CLKCON_SCLK_SPI0,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_SPI0_SHIFT,
- .mask = S3C6400_CLKSRC_SPI0_MASK,
- .sources = &clkset_spi_mmc,
- .divider_shift = S3C6400_CLKDIV2_SPI0_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
-
-static struct clksrc_clk clk_spi1 = {
- .clk = {
- .name = "spi-bus",
- .id = 1,
- .ctrlbit = S3C_CLKCON_SCLK_SPI1,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_SPI1_SHIFT,
- .mask = S3C6400_CLKSRC_SPI1_MASK,
- .sources = &clkset_spi_mmc,
- .divider_shift = S3C6400_CLKDIV2_SPI1_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
+/* clocks that feed other parts of the clock source tree */
static struct clk clk_iis_cd0 = {
.name = "iis_cdclk0",
@@ -505,29 +278,11 @@ static struct clk *clkset_audio0_list[] = {
[4] = &clk_pcm_cd,
};
-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 = S3C_CLKCON_SCLK_AUDIO0,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_AUDIO0_SHIFT,
- .mask = S3C6400_CLKSRC_AUDIO0_MASK,
- .sources = &clkset_audio0,
- .divider_shift = S3C6400_CLKDIV2_AUDIO0_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
-
static struct clk *clkset_audio1_list[] = {
[0] = &clk_mout_epll.clk,
[1] = &clk_dout_mpll,
@@ -536,72 +291,133 @@ static struct clk *clkset_audio1_list[] = {
[4] = &clk_pcm_cd,
};
-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 = S3C_CLKCON_SCLK_AUDIO1,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_AUDIO1_SHIFT,
- .mask = S3C6400_CLKSRC_AUDIO1_MASK,
- .sources = &clkset_audio1,
- .divider_shift = S3C6400_CLKDIV2_AUDIO1_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
-
-static struct clksrc_clk clk_irda = {
- .clk = {
- .name = "irda-bus",
- .id = 0,
- .ctrlbit = S3C_CLKCON_SCLK_IRDA,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
- },
- .shift = S3C6400_CLKSRC_IRDA_SHIFT,
- .mask = S3C6400_CLKSRC_IRDA_MASK,
- .sources = &clkset_irda,
- .divider_shift = S3C6400_CLKDIV2_IRDA_SHIFT,
- .reg_divider = S3C_CLK_DIV2,
-};
-
static struct clk *clkset_camif_list[] = {
&clk_h2,
};
-static struct clk_sources clkset_camif = {
+static struct clksrc_sources clkset_camif = {
.sources = clkset_camif_list,
.nr_sources = ARRAY_SIZE(clkset_camif_list),
};
-static struct clksrc_clk clk_camif = {
- .clk = {
- .name = "camera",
- .id = -1,
- .ctrlbit = S3C_CLKCON_SCLK_CAM,
- .enable = s3c64xx_sclk_ctrl,
- .set_parent = s3c64xx_setparent_clksrc,
- .get_rate = s3c64xx_getrate_clksrc,
- .set_rate = s3c64xx_setrate_clksrc,
- .round_rate = s3c64xx_roundrate_clksrc,
+static struct clksrc_clk clksrcs[] = {
+ {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 0,
+ .ctrlbit = S3C_CLKCON_SCLK_MMC0,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 18, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4 },
+ .sources = &clkset_spi_mmc,
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 1,
+ .ctrlbit = S3C_CLKCON_SCLK_MMC1,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 20, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4 },
+ .sources = &clkset_spi_mmc,
+ }, {
+ .clk = {
+ .name = "mmc_bus",
+ .id = 2,
+ .ctrlbit = S3C_CLKCON_SCLK_MMC2,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 22, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4 },
+ .sources = &clkset_spi_mmc,
+ }, {
+ .clk = {
+ .name = "usb-bus-host",
+ .id = -1,
+ .ctrlbit = S3C_CLKCON_SCLK_UHOST,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 5, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4 },
+ .sources = &clkset_uhost,
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = -1,
+ .ctrlbit = S3C_CLKCON_SCLK_UART,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 13, .size = 1 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4 },
+ .sources = &clkset_uart,
+ }, {
+/* Where does UCLK0 come from? */
+ .clk = {
+ .name = "spi-bus",
+ .id = 0,
+ .ctrlbit = S3C_CLKCON_SCLK_SPI0,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 14, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4 },
+ .sources = &clkset_spi_mmc,
+ }, {
+ .clk = {
+ .name = "spi-bus",
+ .id = 1,
+ .ctrlbit = S3C_CLKCON_SCLK_SPI1,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 16, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4 },
+ .sources = &clkset_spi_mmc,
+ }, {
+ .clk = {
+ .name = "audio-bus",
+ .id = 0,
+ .ctrlbit = S3C_CLKCON_SCLK_AUDIO0,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 7, .size = 3 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4 },
+ .sources = &clkset_audio0,
+ }, {
+ .clk = {
+ .name = "audio-bus",
+ .id = 1,
+ .ctrlbit = S3C_CLKCON_SCLK_AUDIO1,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 10, .size = 3 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4 },
+ .sources = &clkset_audio1,
+ }, {
+ .clk = {
+ .name = "irda-bus",
+ .id = 0,
+ .ctrlbit = S3C_CLKCON_SCLK_IRDA,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_src = { .reg = S3C_CLK_SRC, .shift = 24, .size = 2 },
+ .reg_div = { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4 },
+ .sources = &clkset_irda,
+ }, {
+ .clk = {
+ .name = "camera",
+ .id = -1,
+ .ctrlbit = S3C_CLKCON_SCLK_CAM,
+ .enable = s3c64xx_sclk_ctrl,
+ },
+ .reg_div = { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4 },
+ .reg_src = { .reg = NULL, .shift = 0, .size = 0 },
+ .sources = &clkset_camif,
},
- .shift = 0,
- .mask = 0,
- .sources = &clkset_camif,
- .divider_shift = S3C6400_CLKDIV0_CAM_SHIFT,
- .reg_divider = S3C_CLK_DIV0,
};
/* Clock initialisation code */
@@ -610,39 +426,7 @@ static struct clksrc_clk *init_parents[] = {
&clk_mout_apll,
&clk_mout_epll,
&clk_mout_mpll,
- &clk_mmc0,
- &clk_mmc1,
- &clk_mmc2,
- &clk_usbhost,
- &clk_uart_uclk1,
- &clk_spi0,
- &clk_spi1,
- &clk_audio0,
- &clk_audio1,
- &clk_irda,
- &clk_camif,
-};
-
-static void __init_or_cpufreq s3c6400_set_clksrc(struct clksrc_clk *clk)
-{
- struct clk_sources *srcs = clk->sources;
- u32 clksrc = __raw_readl(S3C_CLK_SRC);
-
- 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\n",
- clk->clk.name, clk->clk.parent->name, clksrc,
- clk_get_rate(&clk->clk));
-}
+};
#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
@@ -702,7 +486,10 @@ void __init_or_cpufreq s3c6400_setup_clocks(void)
clk_f.rate = fclk;
for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
- s3c6400_set_clksrc(init_parents[ptr]);
+ s3c_set_clksrc(init_parents[ptr], true);
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_set_clksrc(&clksrcs[ptr], true);
}
static struct clk *clks[] __initdata = {
@@ -713,17 +500,6 @@ static struct clk *clks[] __initdata = {
&clk_mout_epll.clk,
&clk_mout_mpll.clk,
&clk_dout_mpll,
- &clk_mmc0.clk,
- &clk_mmc1.clk,
- &clk_mmc2.clk,
- &clk_usbhost.clk,
- &clk_uart_uclk1.clk,
- &clk_spi0.clk,
- &clk_spi1.clk,
- &clk_audio0.clk,
- &clk_audio1.clk,
- &clk_irda.clk,
- &clk_camif.clk,
&clk_arm,
};
@@ -755,4 +531,6 @@ void __init s3c6400_register_clocks(unsigned armclk_divlimit)
clkp->name, ret);
}
}
+
+ s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-27 22:30:58 +0000