#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/io.h>
+#include <linux/syscore_ops.h>
#include <plat/cpu-freq.h>
#include <plat/clock.h>
#include <plat/pll.h>
#include <plat/s5p-clock.h>
#include <plat/clock-clksrc.h>
+#include <plat/exynos4.h>
+#include <plat/pm.h>
#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/sysmmu.h>
-
-static struct clk clk_sclk_hdmi27m = {
+#include <mach/exynos4-clock.h>
+
+static struct sleep_save exynos4_clock_save[] = {
+ SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
+ SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
+ SAVE_ITEM(S5P_CLKDIV_RIGHTBUS),
+ SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS),
+ SAVE_ITEM(S5P_CLKSRC_TOP0),
+ SAVE_ITEM(S5P_CLKSRC_TOP1),
+ SAVE_ITEM(S5P_CLKSRC_CAM),
+ SAVE_ITEM(S5P_CLKSRC_TV),
+ SAVE_ITEM(S5P_CLKSRC_MFC),
+ SAVE_ITEM(S5P_CLKSRC_G3D),
+ SAVE_ITEM(S5P_CLKSRC_LCD0),
+ SAVE_ITEM(S5P_CLKSRC_MAUDIO),
+ SAVE_ITEM(S5P_CLKSRC_FSYS),
+ SAVE_ITEM(S5P_CLKSRC_PERIL0),
+ SAVE_ITEM(S5P_CLKSRC_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV_CAM),
+ SAVE_ITEM(S5P_CLKDIV_TV),
+ SAVE_ITEM(S5P_CLKDIV_MFC),
+ SAVE_ITEM(S5P_CLKDIV_G3D),
+ SAVE_ITEM(S5P_CLKDIV_LCD0),
+ SAVE_ITEM(S5P_CLKDIV_MAUDIO),
+ SAVE_ITEM(S5P_CLKDIV_FSYS0),
+ SAVE_ITEM(S5P_CLKDIV_FSYS1),
+ SAVE_ITEM(S5P_CLKDIV_FSYS2),
+ SAVE_ITEM(S5P_CLKDIV_FSYS3),
+ SAVE_ITEM(S5P_CLKDIV_PERIL0),
+ SAVE_ITEM(S5P_CLKDIV_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV_PERIL2),
+ SAVE_ITEM(S5P_CLKDIV_PERIL3),
+ SAVE_ITEM(S5P_CLKDIV_PERIL4),
+ SAVE_ITEM(S5P_CLKDIV_PERIL5),
+ SAVE_ITEM(S5P_CLKDIV_TOP),
+ SAVE_ITEM(S5P_CLKSRC_MASK_TOP),
+ SAVE_ITEM(S5P_CLKSRC_MASK_CAM),
+ SAVE_ITEM(S5P_CLKSRC_MASK_TV),
+ SAVE_ITEM(S5P_CLKSRC_MASK_LCD0),
+ SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO),
+ SAVE_ITEM(S5P_CLKSRC_MASK_FSYS),
+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0),
+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1),
+ SAVE_ITEM(S5P_CLKDIV2_RATIO),
+ SAVE_ITEM(S5P_CLKGATE_SCLKCAM),
+ SAVE_ITEM(S5P_CLKGATE_IP_CAM),
+ SAVE_ITEM(S5P_CLKGATE_IP_TV),
+ SAVE_ITEM(S5P_CLKGATE_IP_MFC),
+ SAVE_ITEM(S5P_CLKGATE_IP_G3D),
+ SAVE_ITEM(S5P_CLKGATE_IP_LCD0),
+ SAVE_ITEM(S5P_CLKGATE_IP_FSYS),
+ SAVE_ITEM(S5P_CLKGATE_IP_GPS),
+ SAVE_ITEM(S5P_CLKGATE_IP_PERIL),
+ SAVE_ITEM(S5P_CLKGATE_BLOCK),
+ SAVE_ITEM(S5P_CLKSRC_MASK_DMC),
+ SAVE_ITEM(S5P_CLKSRC_DMC),
+ SAVE_ITEM(S5P_CLKDIV_DMC0),
+ SAVE_ITEM(S5P_CLKDIV_DMC1),
+ SAVE_ITEM(S5P_CLKGATE_IP_DMC),
+ SAVE_ITEM(S5P_CLKSRC_CPU),
+ SAVE_ITEM(S5P_CLKDIV_CPU),
+ SAVE_ITEM(S5P_CLKDIV_CPU + 0x4),
+ SAVE_ITEM(S5P_CLKGATE_SCLKCPU),
+ SAVE_ITEM(S5P_CLKGATE_IP_CPU),
+};
+
+struct clk clk_sclk_hdmi27m = {
.name = "sclk_hdmi27m",
.rate = 27000000,
};
-static struct clk clk_sclk_hdmiphy = {
+struct clk clk_sclk_hdmiphy = {
.name = "sclk_hdmiphy",
};
-static struct clk clk_sclk_usbphy0 = {
+struct clk clk_sclk_usbphy0 = {
.name = "sclk_usbphy0",
.rate = 27000000,
};
-static struct clk clk_sclk_usbphy1 = {
+struct clk clk_sclk_usbphy1 = {
.name = "sclk_usbphy1",
};
return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
}
-static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
-{
- return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
-}
-
-static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
+int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
}
return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
}
-static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
+int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
}
-static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
+int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
{
return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
}
.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
};
-static struct clksrc_clk clk_sclk_apll = {
+struct clksrc_clk clk_sclk_apll = {
.clk = {
.name = "sclk_apll",
.parent = &clk_mout_apll.clk,
.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
};
-static struct clksrc_clk clk_mout_epll = {
+struct clksrc_clk clk_mout_epll = {
.clk = {
.name = "mout_epll",
},
.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
};
-static struct clksrc_clk clk_mout_mpll = {
+struct clksrc_clk clk_mout_mpll = {
.clk = {
.name = "mout_mpll",
},
.sources = &clk_src_mpll,
- .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
+
+ /* reg_src will be added in each SoCs' clock */
};
static struct clk *clkset_moutcore_list[] = {
/* Core list of CMU_CORE side */
-static struct clk *clkset_corebus_list[] = {
+struct clk *clkset_corebus_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
-static struct clksrc_sources clkset_mout_corebus = {
+struct clksrc_sources clkset_mout_corebus = {
.sources = clkset_corebus_list,
.nr_sources = ARRAY_SIZE(clkset_corebus_list),
};
/* Core list of CMU_TOP side */
-static struct clk *clkset_aclk_top_list[] = {
+struct clk *clkset_aclk_top_list[] = {
[0] = &clk_mout_mpll.clk,
[1] = &clk_sclk_apll.clk,
};
-static struct clksrc_sources clkset_aclk = {
+struct clksrc_sources clkset_aclk = {
.sources = clkset_aclk_top_list,
.nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
};
.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
};
-static struct clksrc_clk clk_aclk_133 = {
+struct clksrc_clk clk_aclk_133 = {
.clk = {
.name = "aclk_133",
},
.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
};
-static struct clksrc_clk clk_sclk_vpll = {
+struct clksrc_clk clk_sclk_vpll = {
.clk = {
.name = "sclk_vpll",
},
.devname = "exynos4-fb.0",
.enable = exynos4_clk_ip_lcd0_ctrl,
.ctrlbit = (1 << 0),
- }, {
- .name = "fimd",
- .devname = "exynos4-fb.1",
- .enable = exynos4_clk_ip_lcd1_ctrl,
- .ctrlbit = (1 << 0),
- }, {
- .name = "sataphy",
- .parent = &clk_aclk_133.clk,
- .enable = exynos4_clk_ip_fsys_ctrl,
- .ctrlbit = (1 << 3),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.0",
.parent = &clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 9),
- }, {
- .name = "sata",
- .parent = &clk_aclk_133.clk,
- .enable = exynos4_clk_ip_fsys_ctrl,
- .ctrlbit = (1 << 10),
}, {
.name = "pdma",
.devname = "s3c-pl330.0",
}
};
-static struct clk *clkset_group_list[] = {
+struct clk *clkset_group_list[] = {
[0] = &clk_ext_xtal_mux,
[1] = &clk_xusbxti,
[2] = &clk_sclk_hdmi27m,
[8] = &clk_sclk_vpll.clk,
};
-static struct clksrc_sources clkset_group = {
+struct clksrc_sources clkset_group = {
.sources = clkset_group_list,
.nr_sources = ARRAY_SIZE(clkset_group_list),
};
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
}, {
.clk = {
- .name = "sclk_cam",
- .devname = "exynos4-fimc.0",
+ .name = "sclk_cam0",
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 16),
},
.reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
}, {
.clk = {
- .name = "sclk_cam",
- .devname = "exynos4-fimc.1",
+ .name = "sclk_cam1",
.enable = exynos4_clksrc_mask_cam_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_fimd",
- .devname = "exynos4-fb.1",
- .enable = exynos4_clksrc_mask_lcd1_ctrl,
- .ctrlbit = (1 << 0),
- },
- .sources = &clkset_group,
- .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
- .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
- }, {
- .clk = {
- .name = "sclk_sata",
- .enable = exynos4_clksrc_mask_fsys_ctrl,
- .ctrlbit = (1 << 24),
- },
- .sources = &clkset_mout_corebus,
- .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
- .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
{
- return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
+ if (soc_is_exynos4210())
+ return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0),
+ pll_4508);
+ else if (soc_is_exynos4212() || soc_is_exynos4412())
+ return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0));
+ else
+ return 0;
}
static struct clk_ops exynos4_fout_apll_ops = {
void __init_or_cpufreq exynos4_setup_clocks(void)
{
struct clk *xtal_clk;
- unsigned long apll;
- unsigned long mpll;
- unsigned long epll;
- unsigned long vpll;
+ unsigned long apll = 0;
+ unsigned long mpll = 0;
+ unsigned long epll = 0;
+ unsigned long vpll = 0;
unsigned long vpllsrc;
unsigned long xtal;
unsigned long armclk;
printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
- apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
- mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
- epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
- __raw_readl(S5P_EPLL_CON1), pll_4600);
-
- vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
- vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
- __raw_readl(S5P_VPLL_CON1), pll_4650c);
+ if (soc_is_exynos4210()) {
+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0),
+ pll_4508);
+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0),
+ pll_4508);
+ epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
+ __raw_readl(S5P_EPLL_CON1), pll_4600);
+
+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
+ vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
+ __raw_readl(S5P_VPLL_CON1), pll_4650c);
+ } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
+ apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0));
+ mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0));
+ epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0),
+ __raw_readl(S5P_EPLL_CON1));
+
+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
+ vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
+ __raw_readl(S5P_VPLL_CON1));
+ } else {
+ /* nothing */
+ }
clk_fout_apll.ops = &exynos4_fout_apll_ops;
clk_fout_mpll.rate = mpll;
/* Nothing here yet */
};
+#ifdef CONFIG_PM_SLEEP
+static int exynos4_clock_suspend(void)
+{
+ s3c_pm_do_save(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
+ return 0;
+}
+
+static void exynos4_clock_resume(void)
+{
+ s3c_pm_do_restore_core(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
+}
+
+#else
+#define exynos4_clock_suspend NULL
+#define exynos4_clock_resume NULL
+#endif
+
+struct syscore_ops exynos4_clock_syscore_ops = {
+ .suspend = exynos4_clock_suspend,
+ .resume = exynos4_clock_resume,
+};
+
void __init exynos4_register_clocks(void)
{
int ptr;
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ register_syscore_ops(&exynos4_clock_syscore_ops);
s3c_pwmclk_init();
}
projects / mv-sheeva.git / commitdiff