diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2011-05-14 12:06:36 +0200 |
commit | a18f22a968de17b29f2310cdb7ba69163e65ec15 (patch) | |
tree | a7d56d88fad5e444d7661484109758a2f436129e /arch/arm/mach-exynos4/clock.c | |
parent | a1c57e0fec53defe745e64417eacdbd3618c3e66 (diff) | |
parent | 798778b8653f64b7b2162ac70eca10367cff6ce8 (diff) |
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts:
arch/ia64/kernel/cyclone.c
arch/mips/kernel/i8253.c
arch/x86/kernel/i8253.c
Reason: Resolve conflicts so further cleanups do not conflict further
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/arm/mach-exynos4/clock.c')
-rw-r--r-- | arch/arm/mach-exynos4/clock.c | 1216 |
1 files changed, 1216 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..871f9d508fd --- /dev/null +++ b/arch/arm/mach-exynos4/clock.c @@ -0,0 +1,1216 @@ +/* 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> +#include <mach/sysmmu.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_mfc_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_IP_MFC, 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_tv_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_IP_TV, 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 = "sataphy", + .id = -1, + .parent = &clk_aclk_133.clk, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 3), + }, { + .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, + .parent = &clk_aclk_133.clk, + .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 = "keypad", + .id = -1, + .enable = exynos4_clk_ip_perir_ctrl, + .ctrlbit = (1 << 16), + }, { + .name = "rtc", + .id = -1, + .enable = exynos4_clk_ip_perir_ctrl, + .ctrlbit = (1 << 15), + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_aclk_100.clk, + .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), + }, { + .name = "SYSMMU_MDMA", + .id = -1, + .enable = exynos4_clk_ip_image_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "SYSMMU_FIMC0", + .id = -1, + .enable = exynos4_clk_ip_cam_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "SYSMMU_FIMC1", + .id = -1, + .enable = exynos4_clk_ip_cam_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "SYSMMU_FIMC2", + .id = -1, + .enable = exynos4_clk_ip_cam_ctrl, + .ctrlbit = (1 << 9), + }, { + .name = "SYSMMU_FIMC3", + .id = -1, + .enable = exynos4_clk_ip_cam_ctrl, + .ctrlbit = (1 << 10), + }, { + .name = "SYSMMU_JPEG", + .id = -1, + .enable = exynos4_clk_ip_cam_ctrl, + .ctrlbit = (1 << 11), + }, { + .name = "SYSMMU_FIMD0", + .id = -1, + .enable = exynos4_clk_ip_lcd0_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "SYSMMU_FIMD1", + .id = -1, + .enable = exynos4_clk_ip_lcd1_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "SYSMMU_PCIe", + .id = -1, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 18), + }, { + .name = "SYSMMU_G2D", + .id = -1, + .enable = exynos4_clk_ip_image_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "SYSMMU_ROTATOR", + .id = -1, + .enable = exynos4_clk_ip_image_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "SYSMMU_TV", + .id = -1, + .enable = exynos4_clk_ip_tv_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "SYSMMU_MFC_L", + .id = -1, + .enable = exynos4_clk_ip_mfc_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "SYSMMU_MFC_R", + .id = -1, + .enable = exynos4_clk_ip_mfc_ctrl, + .ctrlbit = (1 << 2), + } +}; + +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(); +} |