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@@ -13,6 +13,7 @@
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#include <linux/kernel.h>
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#include <linux/err.h>
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#include <linux/io.h>
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+#include <linux/syscore_ops.h>
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#include <plat/cpu-freq.h>
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#include <plat/clock.h>
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@@ -20,26 +21,93 @@
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#include <plat/pll.h>
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#include <plat/s5p-clock.h>
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#include <plat/clock-clksrc.h>
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+#include <plat/exynos4.h>
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+#include <plat/pm.h>
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#include <mach/map.h>
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#include <mach/regs-clock.h>
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#include <mach/sysmmu.h>
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-
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-static struct clk clk_sclk_hdmi27m = {
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+#include <mach/exynos4-clock.h>
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+
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+static struct sleep_save exynos4_clock_save[] = {
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+ SAVE_ITEM(S5P_CLKDIV_LEFTBUS),
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+ SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS),
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+ SAVE_ITEM(S5P_CLKDIV_RIGHTBUS),
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+ SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS),
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+ SAVE_ITEM(S5P_CLKSRC_TOP0),
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+ SAVE_ITEM(S5P_CLKSRC_TOP1),
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+ SAVE_ITEM(S5P_CLKSRC_CAM),
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+ SAVE_ITEM(S5P_CLKSRC_TV),
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+ SAVE_ITEM(S5P_CLKSRC_MFC),
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+ SAVE_ITEM(S5P_CLKSRC_G3D),
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+ SAVE_ITEM(S5P_CLKSRC_LCD0),
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+ SAVE_ITEM(S5P_CLKSRC_MAUDIO),
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+ SAVE_ITEM(S5P_CLKSRC_FSYS),
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+ SAVE_ITEM(S5P_CLKSRC_PERIL0),
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+ SAVE_ITEM(S5P_CLKSRC_PERIL1),
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+ SAVE_ITEM(S5P_CLKDIV_CAM),
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+ SAVE_ITEM(S5P_CLKDIV_TV),
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+ SAVE_ITEM(S5P_CLKDIV_MFC),
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+ SAVE_ITEM(S5P_CLKDIV_G3D),
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+ SAVE_ITEM(S5P_CLKDIV_LCD0),
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+ SAVE_ITEM(S5P_CLKDIV_MAUDIO),
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+ SAVE_ITEM(S5P_CLKDIV_FSYS0),
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+ SAVE_ITEM(S5P_CLKDIV_FSYS1),
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+ SAVE_ITEM(S5P_CLKDIV_FSYS2),
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+ SAVE_ITEM(S5P_CLKDIV_FSYS3),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL0),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL1),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL2),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL3),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL4),
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+ SAVE_ITEM(S5P_CLKDIV_PERIL5),
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+ SAVE_ITEM(S5P_CLKDIV_TOP),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_TOP),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_CAM),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_TV),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_LCD0),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_FSYS),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1),
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+ SAVE_ITEM(S5P_CLKDIV2_RATIO),
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+ SAVE_ITEM(S5P_CLKGATE_SCLKCAM),
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+ SAVE_ITEM(S5P_CLKGATE_IP_CAM),
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+ SAVE_ITEM(S5P_CLKGATE_IP_TV),
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+ SAVE_ITEM(S5P_CLKGATE_IP_MFC),
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+ SAVE_ITEM(S5P_CLKGATE_IP_G3D),
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+ SAVE_ITEM(S5P_CLKGATE_IP_LCD0),
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+ SAVE_ITEM(S5P_CLKGATE_IP_FSYS),
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+ SAVE_ITEM(S5P_CLKGATE_IP_GPS),
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+ SAVE_ITEM(S5P_CLKGATE_IP_PERIL),
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+ SAVE_ITEM(S5P_CLKGATE_BLOCK),
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+ SAVE_ITEM(S5P_CLKSRC_MASK_DMC),
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+ SAVE_ITEM(S5P_CLKSRC_DMC),
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+ SAVE_ITEM(S5P_CLKDIV_DMC0),
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+ SAVE_ITEM(S5P_CLKDIV_DMC1),
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+ SAVE_ITEM(S5P_CLKGATE_IP_DMC),
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+ SAVE_ITEM(S5P_CLKSRC_CPU),
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+ SAVE_ITEM(S5P_CLKDIV_CPU),
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+ SAVE_ITEM(S5P_CLKDIV_CPU + 0x4),
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+ SAVE_ITEM(S5P_CLKGATE_SCLKCPU),
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+ SAVE_ITEM(S5P_CLKGATE_IP_CPU),
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+};
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+
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+struct clk clk_sclk_hdmi27m = {
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.name = "sclk_hdmi27m",
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.rate = 27000000,
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};
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-static struct clk clk_sclk_hdmiphy = {
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+struct clk clk_sclk_hdmiphy = {
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.name = "sclk_hdmiphy",
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};
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-static struct clk clk_sclk_usbphy0 = {
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+struct clk clk_sclk_usbphy0 = {
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.name = "sclk_usbphy0",
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.rate = 27000000,
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};
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-static struct clk clk_sclk_usbphy1 = {
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+struct clk clk_sclk_usbphy1 = {
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.name = "sclk_usbphy1",
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};
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@@ -58,12 +126,7 @@ static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
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return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable);
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}
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-static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable)
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-{
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- return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable);
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-}
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-
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-static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
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+int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
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}
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@@ -103,12 +166,12 @@ static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
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return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
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}
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-static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
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+int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable);
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}
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-static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
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+int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable)
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{
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return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
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}
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@@ -133,7 +196,7 @@ static struct clksrc_clk clk_mout_apll = {
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.reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
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};
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-static struct clksrc_clk clk_sclk_apll = {
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+struct clksrc_clk clk_sclk_apll = {
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.clk = {
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.name = "sclk_apll",
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.parent = &clk_mout_apll.clk,
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@@ -141,7 +204,7 @@ static struct clksrc_clk clk_sclk_apll = {
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.reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
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};
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-static struct clksrc_clk clk_mout_epll = {
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+struct clksrc_clk clk_mout_epll = {
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.clk = {
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.name = "mout_epll",
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},
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@@ -149,12 +212,13 @@ static struct clksrc_clk clk_mout_epll = {
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.reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
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};
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-static struct clksrc_clk clk_mout_mpll = {
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+struct clksrc_clk clk_mout_mpll = {
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.clk = {
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.name = "mout_mpll",
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},
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.sources = &clk_src_mpll,
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- .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
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+
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+ /* reg_src will be added in each SoCs' clock */
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};
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static struct clk *clkset_moutcore_list[] = {
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@@ -224,12 +288,12 @@ static struct clksrc_clk clk_periphclk = {
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/* Core list of CMU_CORE side */
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-static struct clk *clkset_corebus_list[] = {
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+struct clk *clkset_corebus_list[] = {
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[0] = &clk_mout_mpll.clk,
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[1] = &clk_sclk_apll.clk,
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};
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-static struct clksrc_sources clkset_mout_corebus = {
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+struct clksrc_sources clkset_mout_corebus = {
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.sources = clkset_corebus_list,
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.nr_sources = ARRAY_SIZE(clkset_corebus_list),
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};
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@@ -284,12 +348,12 @@ static struct clksrc_clk clk_pclk_acp = {
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/* Core list of CMU_TOP side */
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-static struct clk *clkset_aclk_top_list[] = {
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+struct clk *clkset_aclk_top_list[] = {
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[0] = &clk_mout_mpll.clk,
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[1] = &clk_sclk_apll.clk,
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};
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-static struct clksrc_sources clkset_aclk = {
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+struct clksrc_sources clkset_aclk = {
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.sources = clkset_aclk_top_list,
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.nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
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};
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@@ -321,7 +385,7 @@ static struct clksrc_clk clk_aclk_160 = {
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.reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
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};
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-static struct clksrc_clk clk_aclk_133 = {
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+struct clksrc_clk clk_aclk_133 = {
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.clk = {
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.name = "aclk_133",
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},
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@@ -360,7 +424,7 @@ static struct clksrc_sources clkset_sclk_vpll = {
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.nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
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};
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-static struct clksrc_clk clk_sclk_vpll = {
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+struct clksrc_clk clk_sclk_vpll = {
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.clk = {
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.name = "sclk_vpll",
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},
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@@ -409,16 +473,6 @@ static struct clk init_clocks_off[] = {
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.devname = "exynos4-fb.0",
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.enable = exynos4_clk_ip_lcd0_ctrl,
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.ctrlbit = (1 << 0),
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- }, {
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- .name = "fimd",
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- .devname = "exynos4-fb.1",
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- .enable = exynos4_clk_ip_lcd1_ctrl,
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- .ctrlbit = (1 << 0),
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- }, {
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- .name = "sataphy",
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- .parent = &clk_aclk_133.clk,
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- .enable = exynos4_clk_ip_fsys_ctrl,
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- .ctrlbit = (1 << 3),
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}, {
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.name = "hsmmc",
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.devname = "s3c-sdhci.0",
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@@ -448,11 +502,6 @@ static struct clk init_clocks_off[] = {
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.parent = &clk_aclk_133.clk,
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.enable = exynos4_clk_ip_fsys_ctrl,
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.ctrlbit = (1 << 9),
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- }, {
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- .name = "sata",
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- .parent = &clk_aclk_133.clk,
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- .enable = exynos4_clk_ip_fsys_ctrl,
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- .ctrlbit = (1 << 10),
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}, {
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.name = "pdma",
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.devname = "s3c-pl330.0",
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@@ -673,7 +722,7 @@ static struct clk init_clocks[] = {
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}
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};
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-static struct clk *clkset_group_list[] = {
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+struct clk *clkset_group_list[] = {
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[0] = &clk_ext_xtal_mux,
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[1] = &clk_xusbxti,
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[2] = &clk_sclk_hdmi27m,
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@@ -685,7 +734,7 @@ static struct clk *clkset_group_list[] = {
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[8] = &clk_sclk_vpll.clk,
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};
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-static struct clksrc_sources clkset_group = {
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+struct clksrc_sources clkset_group = {
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.sources = clkset_group_list,
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.nr_sources = ARRAY_SIZE(clkset_group_list),
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};
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@@ -965,25 +1014,6 @@ static struct clksrc_clk clksrcs[] = {
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.sources = &clkset_group,
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.reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
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.reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
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- }, {
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- .clk = {
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- .name = "sclk_fimd",
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- .devname = "exynos4-fb.1",
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- .enable = exynos4_clksrc_mask_lcd1_ctrl,
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- .ctrlbit = (1 << 0),
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- },
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- .sources = &clkset_group,
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- .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 },
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- .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 },
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- }, {
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- .clk = {
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- .name = "sclk_sata",
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- .enable = exynos4_clksrc_mask_fsys_ctrl,
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- .ctrlbit = (1 << 24),
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- },
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- .sources = &clkset_mout_corebus,
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- .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 },
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- .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 },
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}, {
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.clk = {
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.name = "sclk_spi",
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@@ -1114,7 +1144,13 @@ static int xtal_rate;
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static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
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{
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- return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
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+ if (soc_is_exynos4210())
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+ return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0),
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+ pll_4508);
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+ else if (soc_is_exynos4212() || soc_is_exynos4412())
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+ return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0));
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+ else
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+ return 0;
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}
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static struct clk_ops exynos4_fout_apll_ops = {
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@@ -1124,10 +1160,10 @@ static struct clk_ops exynos4_fout_apll_ops = {
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void __init_or_cpufreq exynos4_setup_clocks(void)
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{
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struct clk *xtal_clk;
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- unsigned long apll;
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- unsigned long mpll;
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- unsigned long epll;
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- unsigned long vpll;
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+ unsigned long apll = 0;
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+ unsigned long mpll = 0;
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+ unsigned long epll = 0;
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+ unsigned long vpll = 0;
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unsigned long vpllsrc;
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unsigned long xtal;
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unsigned long armclk;
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@@ -1151,14 +1187,29 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
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printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
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- apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508);
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- mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508);
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- epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
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- __raw_readl(S5P_EPLL_CON1), pll_4600);
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-
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- vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
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- vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
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- __raw_readl(S5P_VPLL_CON1), pll_4650c);
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+ if (soc_is_exynos4210()) {
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+ apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0),
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+ pll_4508);
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+ mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0),
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+ pll_4508);
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+ epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0),
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+ __raw_readl(S5P_EPLL_CON1), pll_4600);
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+
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+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
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+ vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
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+ __raw_readl(S5P_VPLL_CON1), pll_4650c);
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+ } else if (soc_is_exynos4212() || soc_is_exynos4412()) {
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+ apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0));
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+ mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0));
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+ epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0),
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+ __raw_readl(S5P_EPLL_CON1));
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+
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+ vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
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+ vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(S5P_VPLL_CON0),
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+ __raw_readl(S5P_VPLL_CON1));
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+ } else {
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+ /* nothing */
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+ }
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clk_fout_apll.ops = &exynos4_fout_apll_ops;
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clk_fout_mpll.rate = mpll;
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@@ -1193,6 +1244,28 @@ static struct clk *clks[] __initdata = {
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/* Nothing here yet */
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};
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+#ifdef CONFIG_PM_SLEEP
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+static int exynos4_clock_suspend(void)
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+{
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+ s3c_pm_do_save(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
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+ return 0;
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+}
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+
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+static void exynos4_clock_resume(void)
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+{
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+ s3c_pm_do_restore_core(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save));
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+}
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+
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+#else
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+#define exynos4_clock_suspend NULL
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+#define exynos4_clock_resume NULL
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+#endif
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+
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+struct syscore_ops exynos4_clock_syscore_ops = {
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+ .suspend = exynos4_clock_suspend,
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+ .resume = exynos4_clock_resume,
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+};
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+
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void __init exynos4_register_clocks(void)
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{
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int ptr;
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@@ -1208,5 +1281,6 @@ void __init exynos4_register_clocks(void)
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s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
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s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
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|
|
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+ register_syscore_ops(&exynos4_clock_syscore_ops);
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|
s3c_pwmclk_init();
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}
|