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-rw-r--r--arch/arm/mach-exynos4/clock.c1122
1 files changed, 1122 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
new file mode 100644
index 00000000000..72d53d5e54a
--- /dev/null
+++ b/arch/arm/mach-exynos4/clock.c
@@ -0,0 +1,1122 @@
+/* linux/arch/arm/mach-exynos4/clock.c
+ *
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * EXYNOS4 - Clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <plat/cpu-freq.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/s5p-clock.h>
+#include <plat/clock-clksrc.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+static struct clk clk_sclk_hdmi27m = {
+ .name = "sclk_hdmi27m",
+ .id = -1,
+ .rate = 27000000,
+};
+
+static struct clk clk_sclk_hdmiphy = {
+ .name = "sclk_hdmiphy",
+ .id = -1,
+};
+
+static struct clk clk_sclk_usbphy0 = {
+ .name = "sclk_usbphy0",
+ .id = -1,
+ .rate = 27000000,
+};
+
+static struct clk clk_sclk_usbphy1 = {
+ .name = "sclk_usbphy1",
+ .id = -1,
+};
+
+static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable);
+}
+
+static int exynos4_clksrc_mask_cam_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_CAM, clk, enable);
+}
+
+static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable)
+{
+ 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)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable);
+}
+
+static int exynos4_clksrc_mask_peril0_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL0, clk, enable);
+}
+
+static int exynos4_clksrc_mask_peril1_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKSRC_MASK_PERIL1, clk, enable);
+}
+
+static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
+}
+
+static int exynos4_clk_ip_image_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_IMAGE, clk, enable);
+}
+
+static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable);
+}
+
+static 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)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable);
+}
+
+static int exynos4_clk_ip_peril_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_PERIL, clk, enable);
+}
+
+static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
+{
+ return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
+}
+
+/* Core list of CMU_CPU side */
+
+static struct clksrc_clk clk_mout_apll = {
+ .clk = {
+ .name = "mout_apll",
+ .id = -1,
+ },
+ .sources = &clk_src_apll,
+ .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 },
+};
+
+static struct clksrc_clk clk_sclk_apll = {
+ .clk = {
+ .name = "sclk_apll",
+ .id = -1,
+ .parent = &clk_mout_apll.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 },
+};
+
+static struct clksrc_clk clk_mout_epll = {
+ .clk = {
+ .name = "mout_epll",
+ .id = -1,
+ },
+ .sources = &clk_src_epll,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+ .clk = {
+ .name = "mout_mpll",
+ .id = -1,
+ },
+ .sources = &clk_src_mpll,
+ .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 },
+};
+
+static struct clk *clkset_moutcore_list[] = {
+ [0] = &clk_mout_apll.clk,
+ [1] = &clk_mout_mpll.clk,
+};
+
+static struct clksrc_sources clkset_moutcore = {
+ .sources = clkset_moutcore_list,
+ .nr_sources = ARRAY_SIZE(clkset_moutcore_list),
+};
+
+static struct clksrc_clk clk_moutcore = {
+ .clk = {
+ .name = "moutcore",
+ .id = -1,
+ },
+ .sources = &clkset_moutcore,
+ .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 16, .size = 1 },
+};
+
+static struct clksrc_clk clk_coreclk = {
+ .clk = {
+ .name = "core_clk",
+ .id = -1,
+ .parent = &clk_moutcore.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_clk clk_armclk = {
+ .clk = {
+ .name = "armclk",
+ .id = -1,
+ .parent = &clk_coreclk.clk,
+ },
+};
+
+static struct clksrc_clk clk_aclk_corem0 = {
+ .clk = {
+ .name = "aclk_corem0",
+ .id = -1,
+ .parent = &clk_coreclk.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_cores = {
+ .clk = {
+ .name = "aclk_cores",
+ .id = -1,
+ .parent = &clk_coreclk.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 4, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_corem1 = {
+ .clk = {
+ .name = "aclk_corem1",
+ .id = -1,
+ .parent = &clk_coreclk.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 8, .size = 3 },
+};
+
+static struct clksrc_clk clk_periphclk = {
+ .clk = {
+ .name = "periphclk",
+ .id = -1,
+ .parent = &clk_coreclk.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 12, .size = 3 },
+};
+
+/* Core list of CMU_CORE side */
+
+static struct clk *clkset_corebus_list[] = {
+ [0] = &clk_mout_mpll.clk,
+ [1] = &clk_sclk_apll.clk,
+};
+
+static struct clksrc_sources clkset_mout_corebus = {
+ .sources = clkset_corebus_list,
+ .nr_sources = ARRAY_SIZE(clkset_corebus_list),
+};
+
+static struct clksrc_clk clk_mout_corebus = {
+ .clk = {
+ .name = "mout_corebus",
+ .id = -1,
+ },
+ .sources = &clkset_mout_corebus,
+ .reg_src = { .reg = S5P_CLKSRC_DMC, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk clk_sclk_dmc = {
+ .clk = {
+ .name = "sclk_dmc",
+ .id = -1,
+ .parent = &clk_mout_corebus.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 12, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_cored = {
+ .clk = {
+ .name = "aclk_cored",
+ .id = -1,
+ .parent = &clk_sclk_dmc.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 16, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_corep = {
+ .clk = {
+ .name = "aclk_corep",
+ .id = -1,
+ .parent = &clk_aclk_cored.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 20, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_acp = {
+ .clk = {
+ .name = "aclk_acp",
+ .id = -1,
+ .parent = &clk_mout_corebus.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_clk clk_pclk_acp = {
+ .clk = {
+ .name = "pclk_acp",
+ .id = -1,
+ .parent = &clk_aclk_acp.clk,
+ },
+ .reg_div = { .reg = S5P_CLKDIV_DMC0, .shift = 4, .size = 3 },
+};
+
+/* Core list of CMU_TOP side */
+
+static struct clk *clkset_aclk_top_list[] = {
+ [0] = &clk_mout_mpll.clk,
+ [1] = &clk_sclk_apll.clk,
+};
+
+static struct clksrc_sources clkset_aclk = {
+ .sources = clkset_aclk_top_list,
+ .nr_sources = ARRAY_SIZE(clkset_aclk_top_list),
+};
+
+static struct clksrc_clk clk_aclk_200 = {
+ .clk = {
+ .name = "aclk_200",
+ .id = -1,
+ },
+ .sources = &clkset_aclk,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 12, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 0, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_100 = {
+ .clk = {
+ .name = "aclk_100",
+ .id = -1,
+ },
+ .sources = &clkset_aclk,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 16, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 4, .size = 4 },
+};
+
+static struct clksrc_clk clk_aclk_160 = {
+ .clk = {
+ .name = "aclk_160",
+ .id = -1,
+ },
+ .sources = &clkset_aclk,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 20, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 },
+};
+
+static struct clksrc_clk clk_aclk_133 = {
+ .clk = {
+ .name = "aclk_133",
+ .id = -1,
+ },
+ .sources = &clkset_aclk,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 24, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 12, .size = 3 },
+};
+
+static struct clk *clkset_vpllsrc_list[] = {
+ [0] = &clk_fin_vpll,
+ [1] = &clk_sclk_hdmi27m,
+};
+
+static struct clksrc_sources clkset_vpllsrc = {
+ .sources = clkset_vpllsrc_list,
+ .nr_sources = ARRAY_SIZE(clkset_vpllsrc_list),
+};
+
+static struct clksrc_clk clk_vpllsrc = {
+ .clk = {
+ .name = "vpll_src",
+ .id = -1,
+ .enable = exynos4_clksrc_mask_top_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .sources = &clkset_vpllsrc,
+ .reg_src = { .reg = S5P_CLKSRC_TOP1, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_sclk_vpll_list[] = {
+ [0] = &clk_vpllsrc.clk,
+ [1] = &clk_fout_vpll,
+};
+
+static struct clksrc_sources clkset_sclk_vpll = {
+ .sources = clkset_sclk_vpll_list,
+ .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list),
+};
+
+static struct clksrc_clk clk_sclk_vpll = {
+ .clk = {
+ .name = "sclk_vpll",
+ .id = -1,
+ },
+ .sources = &clkset_sclk_vpll,
+ .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 8, .size = 1 },
+};
+
+static struct clk init_clocks_off[] = {
+ {
+ .name = "timers",
+ .id = -1,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1<<24),
+ }, {
+ .name = "csis",
+ .id = 0,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 4),
+ }, {
+ .name = "csis",
+ .id = 1,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 5),
+ }, {
+ .name = "fimc",
+ .id = 0,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "fimc",
+ .id = 1,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "fimc",
+ .id = 2,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "fimc",
+ .id = 3,
+ .enable = exynos4_clk_ip_cam_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "fimd",
+ .id = 0,
+ .enable = exynos4_clk_ip_lcd0_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "fimd",
+ .id = 1,
+ .enable = exynos4_clk_ip_lcd1_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "hsmmc",
+ .id = 0,
+ .parent = &clk_aclk_133.clk,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 5),
+ }, {
+ .name = "hsmmc",
+ .id = 1,
+ .parent = &clk_aclk_133.clk,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 6),
+ }, {
+ .name = "hsmmc",
+ .id = 2,
+ .parent = &clk_aclk_133.clk,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 7),
+ }, {
+ .name = "hsmmc",
+ .id = 3,
+ .parent = &clk_aclk_133.clk,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 8),
+ }, {
+ .name = "hsmmc",
+ .id = 4,
+ .parent = &clk_aclk_133.clk,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 9),
+ }, {
+ .name = "sata",
+ .id = -1,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 10),
+ }, {
+ .name = "pdma",
+ .id = 0,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "pdma",
+ .id = 1,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "adc",
+ .id = -1,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 15),
+ }, {
+ .name = "rtc",
+ .id = -1,
+ .enable = exynos4_clk_ip_perir_ctrl,
+ .ctrlbit = (1 << 15),
+ }, {
+ .name = "watchdog",
+ .id = -1,
+ .enable = exynos4_clk_ip_perir_ctrl,
+ .ctrlbit = (1 << 14),
+ }, {
+ .name = "usbhost",
+ .id = -1,
+ .enable = exynos4_clk_ip_fsys_ctrl ,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "otg",
+ .id = -1,
+ .enable = exynos4_clk_ip_fsys_ctrl,
+ .ctrlbit = (1 << 13),
+ }, {
+ .name = "spi",
+ .id = 0,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 16),
+ }, {
+ .name = "spi",
+ .id = 1,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 17),
+ }, {
+ .name = "spi",
+ .id = 2,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 18),
+ }, {
+ .name = "iis",
+ .id = 0,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 19),
+ }, {
+ .name = "iis",
+ .id = 1,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 20),
+ }, {
+ .name = "iis",
+ .id = 2,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 21),
+ }, {
+ .name = "ac97",
+ .id = -1,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 27),
+ }, {
+ .name = "fimg2d",
+ .id = -1,
+ .enable = exynos4_clk_ip_image_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "i2c",
+ .id = 0,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 6),
+ }, {
+ .name = "i2c",
+ .id = 1,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 7),
+ }, {
+ .name = "i2c",
+ .id = 2,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 8),
+ }, {
+ .name = "i2c",
+ .id = 3,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 9),
+ }, {
+ .name = "i2c",
+ .id = 4,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 10),
+ }, {
+ .name = "i2c",
+ .id = 5,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 11),
+ }, {
+ .name = "i2c",
+ .id = 6,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 12),
+ }, {
+ .name = "i2c",
+ .id = 7,
+ .parent = &clk_aclk_100.clk,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 13),
+ },
+};
+
+static struct clk init_clocks[] = {
+ {
+ .name = "uart",
+ .id = 0,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 0),
+ }, {
+ .name = "uart",
+ .id = 1,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 1),
+ }, {
+ .name = "uart",
+ .id = 2,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 2),
+ }, {
+ .name = "uart",
+ .id = 3,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 3),
+ }, {
+ .name = "uart",
+ .id = 4,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 4),
+ }, {
+ .name = "uart",
+ .id = 5,
+ .enable = exynos4_clk_ip_peril_ctrl,
+ .ctrlbit = (1 << 5),
+ }
+};
+
+static struct clk *clkset_group_list[] = {
+ [0] = &clk_ext_xtal_mux,
+ [1] = &clk_xusbxti,
+ [2] = &clk_sclk_hdmi27m,
+ [3] = &clk_sclk_usbphy0,
+ [4] = &clk_sclk_usbphy1,
+ [5] = &clk_sclk_hdmiphy,
+ [6] = &clk_mout_mpll.clk,
+ [7] = &clk_mout_epll.clk,
+ [8] = &clk_sclk_vpll.clk,
+};
+
+static struct clksrc_sources clkset_group = {
+ .sources = clkset_group_list,
+ .nr_sources = ARRAY_SIZE(clkset_group_list),
+};
+
+static struct clk *clkset_mout_g2d0_list[] = {
+ [0] = &clk_mout_mpll.clk,
+ [1] = &clk_sclk_apll.clk,
+};
+
+static struct clksrc_sources clkset_mout_g2d0 = {
+ .sources = clkset_mout_g2d0_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_g2d0_list),
+};
+
+static struct clksrc_clk clk_mout_g2d0 = {
+ .clk = {
+ .name = "mout_g2d0",
+ .id = -1,
+ },
+ .sources = &clkset_mout_g2d0,
+ .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_mout_g2d1_list[] = {
+ [0] = &clk_mout_epll.clk,
+ [1] = &clk_sclk_vpll.clk,
+};
+
+static struct clksrc_sources clkset_mout_g2d1 = {
+ .sources = clkset_mout_g2d1_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_g2d1_list),
+};
+
+static struct clksrc_clk clk_mout_g2d1 = {
+ .clk = {
+ .name = "mout_g2d1",
+ .id = -1,
+ },
+ .sources = &clkset_mout_g2d1,
+ .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 4, .size = 1 },
+};
+
+static struct clk *clkset_mout_g2d_list[] = {
+ [0] = &clk_mout_g2d0.clk,
+ [1] = &clk_mout_g2d1.clk,
+};
+
+static struct clksrc_sources clkset_mout_g2d = {
+ .sources = clkset_mout_g2d_list,
+ .nr_sources = ARRAY_SIZE(clkset_mout_g2d_list),
+};
+
+static struct clksrc_clk clk_dout_mmc0 = {
+ .clk = {
+ .name = "dout_mmc0",
+ .id = -1,
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 0, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc1 = {
+ .clk = {
+ .name = "dout_mmc1",
+ .id = -1,
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 4, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 16, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc2 = {
+ .clk = {
+ .name = "dout_mmc2",
+ .id = -1,
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 8, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc3 = {
+ .clk = {
+ .name = "dout_mmc3",
+ .id = -1,
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 12, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 16, .size = 4 },
+};
+
+static struct clksrc_clk clk_dout_mmc4 = {
+ .clk = {
+ .name = "dout_mmc4",
+ .id = -1,
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 16, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 0, .size = 4 },
+};
+
+static struct clksrc_clk clksrcs[] = {
+ {
+ .clk = {
+ .name = "uclk1",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_peril0_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 0, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = 1,
+ .enable = exynos4_clksrc_mask_peril0_ctrl,
+ .ctrlbit = (1 << 4),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 4, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = 2,
+ .enable = exynos4_clksrc_mask_peril0_ctrl,
+ .ctrlbit = (1 << 8),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 8, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 8, .size = 4 },
+ }, {
+ .clk = {
+ .name = "uclk1",
+ .id = 3,
+ .enable = exynos4_clksrc_mask_peril0_ctrl,
+ .ctrlbit = (1 << 12),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 12, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_pwm",
+ .id = -1,
+ .enable = exynos4_clksrc_mask_peril0_ctrl,
+ .ctrlbit = (1 << 24),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL0, .shift = 24, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL3, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_csis",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 24),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 24, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 24, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_csis",
+ .id = 1,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 28),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 28, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_cam",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 16),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 16, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_cam",
+ .id = 1,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 20),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 20, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 20, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimc",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 0, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimc",
+ .id = 1,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 4),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 4, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 4, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimc",
+ .id = 2,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 8),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 8, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 8, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimc",
+ .id = 3,
+ .enable = exynos4_clksrc_mask_cam_ctrl,
+ .ctrlbit = (1 << 12),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_CAM, .shift = 12, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 12, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimd",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_lcd0_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .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",
+ .id = 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",
+ .id = -1,
+ .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",
+ .id = 0,
+ .enable = exynos4_clksrc_mask_peril1_ctrl,
+ .ctrlbit = (1 << 16),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 1,
+ .enable = exynos4_clksrc_mask_peril1_ctrl,
+ .ctrlbit = (1 << 20),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_spi",
+ .id = 2,
+ .enable = exynos4_clksrc_mask_peril1_ctrl,
+ .ctrlbit = (1 << 24),
+ },
+ .sources = &clkset_group,
+ .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
+ .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_fimg2d",
+ .id = -1,
+ },
+ .sources = &clkset_mout_g2d,
+ .reg_src = { .reg = S5P_CLKSRC_IMAGE, .shift = 8, .size = 1 },
+ .reg_div = { .reg = S5P_CLKDIV_IMAGE, .shift = 0, .size = 4 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 0,
+ .parent = &clk_dout_mmc0.clk,
+ .enable = exynos4_clksrc_mask_fsys_ctrl,
+ .ctrlbit = (1 << 0),
+ },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 1,
+ .parent = &clk_dout_mmc1.clk,
+ .enable = exynos4_clksrc_mask_fsys_ctrl,
+ .ctrlbit = (1 << 4),
+ },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 2,
+ .parent = &clk_dout_mmc2.clk,
+ .enable = exynos4_clksrc_mask_fsys_ctrl,
+ .ctrlbit = (1 << 8),
+ },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 3,
+ .parent = &clk_dout_mmc3.clk,
+ .enable = exynos4_clksrc_mask_fsys_ctrl,
+ .ctrlbit = (1 << 12),
+ },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
+ }, {
+ .clk = {
+ .name = "sclk_mmc",
+ .id = 4,
+ .parent = &clk_dout_mmc4.clk,
+ .enable = exynos4_clksrc_mask_fsys_ctrl,
+ .ctrlbit = (1 << 16),
+ },
+ .reg_div = { .reg = S5P_CLKDIV_FSYS3, .shift = 8, .size = 8 },
+ }
+};
+
+/* Clock initialization code */
+static struct clksrc_clk *sysclks[] = {
+ &clk_mout_apll,
+ &clk_sclk_apll,
+ &clk_mout_epll,
+ &clk_mout_mpll,
+ &clk_moutcore,
+ &clk_coreclk,
+ &clk_armclk,
+ &clk_aclk_corem0,
+ &clk_aclk_cores,
+ &clk_aclk_corem1,
+ &clk_periphclk,
+ &clk_mout_corebus,
+ &clk_sclk_dmc,
+ &clk_aclk_cored,
+ &clk_aclk_corep,
+ &clk_aclk_acp,
+ &clk_pclk_acp,
+ &clk_vpllsrc,
+ &clk_sclk_vpll,
+ &clk_aclk_200,
+ &clk_aclk_100,
+ &clk_aclk_160,
+ &clk_aclk_133,
+ &clk_dout_mmc0,
+ &clk_dout_mmc1,
+ &clk_dout_mmc2,
+ &clk_dout_mmc3,
+ &clk_dout_mmc4,
+};
+
+static int xtal_rate;
+
+static unsigned long exynos4_fout_apll_get_rate(struct clk *clk)
+{
+ return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508);
+}
+
+static struct clk_ops exynos4_fout_apll_ops = {
+ .get_rate = exynos4_fout_apll_get_rate,
+};
+
+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 vpllsrc;
+ unsigned long xtal;
+ unsigned long armclk;
+ unsigned long sclk_dmc;
+ unsigned long aclk_200;
+ unsigned long aclk_100;
+ unsigned long aclk_160;
+ unsigned long aclk_133;
+ unsigned int ptr;
+
+ printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+ xtal_clk = clk_get(NULL, "xtal");
+ BUG_ON(IS_ERR(xtal_clk));
+
+ xtal = clk_get_rate(xtal_clk);
+
+ xtal_rate = xtal;
+
+ clk_put(xtal_clk);
+
+ 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_4650);
+
+ clk_fout_apll.ops = &exynos4_fout_apll_ops;
+ clk_fout_mpll.rate = mpll;
+ clk_fout_epll.rate = epll;
+ clk_fout_vpll.rate = vpll;
+
+ printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
+ apll, mpll, epll, vpll);
+
+ armclk = clk_get_rate(&clk_armclk.clk);
+ sclk_dmc = clk_get_rate(&clk_sclk_dmc.clk);
+
+ aclk_200 = clk_get_rate(&clk_aclk_200.clk);
+ aclk_100 = clk_get_rate(&clk_aclk_100.clk);
+ aclk_160 = clk_get_rate(&clk_aclk_160.clk);
+ aclk_133 = clk_get_rate(&clk_aclk_133.clk);
+
+ printk(KERN_INFO "EXYNOS4: ARMCLK=%ld, DMC=%ld, ACLK200=%ld\n"
+ "ACLK100=%ld, ACLK160=%ld, ACLK133=%ld\n",
+ armclk, sclk_dmc, aclk_200,
+ aclk_100, aclk_160, aclk_133);
+
+ clk_f.rate = armclk;
+ clk_h.rate = sclk_dmc;
+ clk_p.rate = aclk_100;
+
+ for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+ s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+ /* Nothing here yet */
+};
+
+void __init exynos4_register_clocks(void)
+{
+ int ptr;
+
+ s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+ for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
+ s3c_register_clksrc(sysclks[ptr], 1);
+
+ s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+ s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+ s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+
+ s3c_pwmclk_init();
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 11:51:20 +0000