From: Thomas Abraham Date: Fri, 14 May 2010 07:27:28 +0000 (+0900) Subject: ARM: S5PC100: Pre-requisite clock patch for plat-s5pc1xx to plat-s5p move X-Git-Tag: v2.6.35-rc1~500^2~13 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a443a6373d8527657cfde3d3c515d4a64532c585;p=pandora-kernel.git ARM: S5PC100: Pre-requisite clock patch for plat-s5pc1xx to plat-s5p move This is a pre-requisite clock patch for the plat-s5pc1xx to plat-s5p movement. The patches that perform the movement of the code from plat-s5pc1xx to plat-s5p (and mach-s5pc100) should also enable the build for the mach-s5pc100/clock.c code. Signed-off-by: Thomas Abraham Signed-off-by: Kukjin Kim Signed-off-by: Ben Dooks --- diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c new file mode 100644 index 000000000000..e3fed4cfe7ad --- /dev/null +++ b/arch/arm/mach-s5pc100/clock.c @@ -0,0 +1,1358 @@ +/* linux/arch/arm/mach-s5pc100/clock.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5PC100 - 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 +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +static struct clk s5p_clk_otgphy = { + .name = "otg_phy", + .id = -1, +}; + +static struct clk *clk_src_mout_href_list[] = { + [0] = &s5p_clk_27m, + [1] = &clk_fin_hpll, +}; + +static struct clksrc_sources clk_src_mout_href = { + .sources = clk_src_mout_href_list, + .nr_sources = ARRAY_SIZE(clk_src_mout_href_list), +}; + +static struct clksrc_clk clk_mout_href = { + .clk = { + .name = "mout_href", + .id = -1, + }, + .sources = &clk_src_mout_href, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 1 }, +}; + +static struct clk *clk_src_mout_48m_list[] = { + [0] = &clk_xusbxti, + [1] = &s5p_clk_otgphy, +}; + +static struct clksrc_sources clk_src_mout_48m = { + .sources = clk_src_mout_48m_list, + .nr_sources = ARRAY_SIZE(clk_src_mout_48m_list), +}; + +static struct clksrc_clk clk_mout_48m = { + .clk = { + .name = "mout_48m", + .id = -1, + }, + .sources = &clk_src_mout_48m, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 24, .size = 1 }, +}; + +static struct clksrc_clk clk_mout_mpll = { + .clk = { + .name = "mout_mpll", + .id = -1, + }, + .sources = &clk_src_mpll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 }, +}; + + +static struct clksrc_clk clk_mout_apll = { + .clk = { + .name = "mout_apll", + .id = -1, + }, + .sources = &clk_src_apll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 }, +}; + +static struct clksrc_clk clk_mout_epll = { + .clk = { + .name = "mout_epll", + .id = -1, + }, + .sources = &clk_src_epll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 }, +}; + +static struct clk *clk_src_mout_hpll_list[] = { + [0] = &s5p_clk_27m, +}; + +static struct clksrc_sources clk_src_mout_hpll = { + .sources = clk_src_mout_hpll_list, + .nr_sources = ARRAY_SIZE(clk_src_mout_hpll_list), +}; + +static struct clksrc_clk clk_mout_hpll = { + .clk = { + .name = "mout_hpll", + .id = -1, + }, + .sources = &clk_src_mout_hpll, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 }, +}; + +static struct clksrc_clk clk_div_apll = { + .clk = { + .name = "div_apll", + .id = -1, + .parent = &clk_mout_apll.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 1 }, +}; + +static struct clksrc_clk clk_div_arm = { + .clk = { + .name = "div_arm", + .id = -1, + .parent = &clk_div_apll.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 }, +}; + +static struct clksrc_clk clk_div_d0_bus = { + .clk = { + .name = "div_d0_bus", + .id = -1, + .parent = &clk_div_arm.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV0, .shift = 8, .size = 3 }, +}; + +static struct clksrc_clk clk_div_pclkd0 = { + .clk = { + .name = "div_pclkd0", + .id = -1, + .parent = &clk_div_d0_bus.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV0, .shift = 12, .size = 3 }, +}; + +static struct clksrc_clk clk_div_secss = { + .clk = { + .name = "div_secss", + .id = -1, + .parent = &clk_div_d0_bus.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 3 }, +}; + +static struct clksrc_clk clk_div_apll2 = { + .clk = { + .name = "div_apll2", + .id = -1, + .parent = &clk_mout_apll.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 3 }, +}; + +static struct clk *clk_src_mout_am_list[] = { + [0] = &clk_mout_mpll.clk, + [1] = &clk_div_apll2.clk, +}; + +struct clksrc_sources clk_src_mout_am = { + .sources = clk_src_mout_am_list, + .nr_sources = ARRAY_SIZE(clk_src_mout_am_list), +}; + +static struct clksrc_clk clk_mout_am = { + .clk = { + .name = "mout_am", + .id = -1, + }, + .sources = &clk_src_mout_am, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 1 }, +}; + +static struct clksrc_clk clk_div_d1_bus = { + .clk = { + .name = "div_d1_bus", + .id = -1, + .parent = &clk_mout_am.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 3 }, +}; + +static struct clksrc_clk clk_div_mpll2 = { + .clk = { + .name = "div_mpll2", + .id = -1, + .parent = &clk_mout_am.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 1 }, +}; + +static struct clksrc_clk clk_div_mpll = { + .clk = { + .name = "div_mpll", + .id = -1, + .parent = &clk_mout_am.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 2 }, +}; + +static struct clk *clk_src_mout_onenand_list[] = { + [0] = &clk_div_d0_bus.clk, + [1] = &clk_div_d1_bus.clk, +}; + +struct clksrc_sources clk_src_mout_onenand = { + .sources = clk_src_mout_onenand_list, + .nr_sources = ARRAY_SIZE(clk_src_mout_onenand_list), +}; + +static struct clksrc_clk clk_mout_onenand = { + .clk = { + .name = "mout_onenand", + .id = -1, + }, + .sources = &clk_src_mout_onenand, + .reg_src = { .reg = S5P_CLK_SRC0, .shift = 24, .size = 1 }, +}; + +static struct clksrc_clk clk_div_onenand = { + .clk = { + .name = "div_onenand", + .id = -1, + .parent = &clk_mout_onenand.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 20, .size = 2 }, +}; + +static struct clksrc_clk clk_div_pclkd1 = { + .clk = { + .name = "div_pclkd1", + .id = -1, + .parent = &clk_div_d1_bus.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 16, .size = 3 }, +}; + +static struct clksrc_clk clk_div_cam = { + .clk = { + .name = "div_cam", + .id = -1, + .parent = &clk_div_mpll2.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV1, .shift = 24, .size = 5 }, +}; + +static struct clksrc_clk clk_div_hdmi = { + .clk = { + .name = "div_hdmi", + .id = -1, + .parent = &clk_mout_hpll.clk, + }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 28, .size = 4 }, +}; + +static int s5pc100_epll_enable(struct clk *clk, int enable) +{ + unsigned int ctrlbit = clk->ctrlbit; + unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit; + + if (enable) + __raw_writel(epll_con | ctrlbit, S5P_EPLL_CON); + else + __raw_writel(epll_con, S5P_EPLL_CON); + + return 0; +} + +static unsigned long s5pc100_epll_get_rate(struct clk *clk) +{ + return clk->rate; +} + +static u32 epll_div[][4] = { + { 32750000, 131, 3, 4 }, + { 32768000, 131, 3, 4 }, + { 36000000, 72, 3, 3 }, + { 45000000, 90, 3, 3 }, + { 45158000, 90, 3, 3 }, + { 45158400, 90, 3, 3 }, + { 48000000, 96, 3, 3 }, + { 49125000, 131, 4, 3 }, + { 49152000, 131, 4, 3 }, + { 60000000, 120, 3, 3 }, + { 67737600, 226, 5, 3 }, + { 67738000, 226, 5, 3 }, + { 73800000, 246, 5, 3 }, + { 73728000, 246, 5, 3 }, + { 72000000, 144, 3, 3 }, + { 84000000, 168, 3, 3 }, + { 96000000, 96, 3, 2 }, + { 144000000, 144, 3, 2 }, + { 192000000, 96, 3, 1 } +}; + +static int s5pc100_epll_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int epll_con; + unsigned int i; + + if (clk->rate == rate) /* Return if nothing changed */ + return 0; + + epll_con = __raw_readl(S5P_EPLL_CON); + + epll_con &= ~(PLL65XX_MDIV_MASK | PLL65XX_PDIV_MASK | PLL65XX_SDIV_MASK); + + for (i = 0; i < ARRAY_SIZE(epll_div); i++) { + if (epll_div[i][0] == rate) { + epll_con |= (epll_div[i][1] << PLL65XX_MDIV_SHIFT) | + (epll_div[i][2] << PLL65XX_PDIV_SHIFT) | + (epll_div[i][3] << PLL65XX_SDIV_SHIFT); + break; + } + } + + if (i == ARRAY_SIZE(epll_div)) { + printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__); + return -EINVAL; + } + + __raw_writel(epll_con, S5P_EPLL_CON); + + clk->rate = rate; + + return 0; +} + +static struct clk_ops s5pc100_epll_ops = { + .get_rate = s5pc100_epll_get_rate, + .set_rate = s5pc100_epll_set_rate, +}; + +static int s5pc100_d0_0_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D00, clk, enable); +} + +static int s5pc100_d0_1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D01, clk, enable); +} + +static int s5pc100_d0_2_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D02, clk, enable); +} + +static int s5pc100_d1_0_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D10, clk, enable); +} + +static int s5pc100_d1_1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D11, clk, enable); +} + +static int s5pc100_d1_2_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D12, clk, enable); +} + +static int s5pc100_d1_3_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D13, clk, enable); +} + +static int s5pc100_d1_4_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D14, clk, enable); +} + +static int s5pc100_d1_5_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_D15, clk, enable); +} + +static int s5pc100_sclk0_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_SCLK0, clk, enable); +} + +static int s5pc100_sclk1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKGATE_SCLK1, clk, enable); +} + +/* + * The following clocks will be disabled during clock initialization. It is + * recommended to keep the following clocks disabled until the driver requests + * for enabling the clock. + */ +static struct clk init_clocks_disable[] = { + { + .name = "cssys", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 6), + }, { + .name = "secss", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "g2d", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "mdma", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "cfcon", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "nfcon", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "onenandc", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "sdm", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_2_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "seckey", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_2_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "hsmmc", + .id = 2, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "hsmmc", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 6), + }, { + .name = "hsmmc", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "modemif", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "otg", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "usbhost", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "pdma", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "pdma", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "lcd", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "rotator", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "fimc", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "fimc", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "fimc", + .id = 2, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "jpeg", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "mipi-dsim", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 6), + }, { + .name = "mipi-csis", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_1_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "g3d", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_0_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "tv", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_2_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "vp", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_2_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "mixer", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_2_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "hdmi", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_2_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "mfc", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_2_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "apc", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "iec", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "systimer", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "watchdog", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "rtc", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 9), + }, { + .name = "i2c", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "i2c", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "spi", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 6), + }, { + .name = "spi", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "spi", + .id = 2, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "irda", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 9), + }, { + .name = "ccan", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 10), + }, { + .name = "ccan", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 11), + }, { + .name = "hsitx", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 12), + }, { + .name = "hsirx", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 13), + }, { + .name = "iis", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "iis", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "iis", + .id = 2, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "ac97", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "pcm", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "pcm", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "spdif", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 6), + }, { + .name = "adc", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "keyif", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_5_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "spi_48m", + .id = 0, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 7), + }, { + .name = "spi_48m", + .id = 1, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "spi_48m", + .id = 2, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 9), + }, { + .name = "mmc_48m", + .id = 0, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 15), + }, { + .name = "mmc_48m", + .id = 1, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 16), + }, { + .name = "mmc_48m", + .id = 2, + .parent = &clk_mout_48m.clk, + .enable = s5pc100_sclk0_ctrl, + .ctrlbit = (1 << 17), + }, +}; + +static struct clk clk_vclk54m = { + .name = "vclk_54m", + .id = -1, + .rate = 54000000, +}; + +static struct clk clk_i2scdclk0 = { + .name = "i2s_cdclk0", + .id = -1, +}; + +static struct clk clk_i2scdclk1 = { + .name = "i2s_cdclk1", + .id = -1, +}; + +static struct clk clk_i2scdclk2 = { + .name = "i2s_cdclk2", + .id = -1, +}; + +static struct clk clk_pcmcdclk0 = { + .name = "pcm_cdclk0", + .id = -1, +}; + +static struct clk clk_pcmcdclk1 = { + .name = "pcm_cdclk1", + .id = -1, +}; + +static struct clk *clk_src_group1_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll2.clk, + [2] = &clk_fin_epll, + [3] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_group1 = { + .sources = clk_src_group1_list, + .nr_sources = ARRAY_SIZE(clk_src_group1_list), +}; + +static struct clk *clk_src_group2_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, +}; + +struct clksrc_sources clk_src_group2 = { + .sources = clk_src_group2_list, + .nr_sources = ARRAY_SIZE(clk_src_group2_list), +}; + +static struct clk *clk_src_group3_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, + [3] = &clk_i2scdclk0, + [4] = &clk_pcmcdclk0, + [5] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_group3 = { + .sources = clk_src_group3_list, + .nr_sources = ARRAY_SIZE(clk_src_group3_list), +}; + +static struct clk *clk_src_group4_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, + [3] = &clk_i2scdclk1, + [4] = &clk_pcmcdclk1, + [5] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_group4 = { + .sources = clk_src_group4_list, + .nr_sources = ARRAY_SIZE(clk_src_group4_list), +}; + +static struct clk *clk_src_group5_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, + [3] = &clk_i2scdclk2, + [4] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_group5 = { + .sources = clk_src_group5_list, + .nr_sources = ARRAY_SIZE(clk_src_group5_list), +}; + +static struct clk *clk_src_group6_list[] = { + [0] = &s5p_clk_27m, + [1] = &clk_vclk54m, + [2] = &clk_div_hdmi.clk, +}; + +struct clksrc_sources clk_src_group6 = { + .sources = clk_src_group6_list, + .nr_sources = ARRAY_SIZE(clk_src_group6_list), +}; + +static struct clk *clk_src_group7_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_mout_hpll.clk, + [3] = &clk_vclk54m, +}; + +struct clksrc_sources clk_src_group7 = { + .sources = clk_src_group7_list, + .nr_sources = ARRAY_SIZE(clk_src_group7_list), +}; + +static struct clk *clk_src_mmc0_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, +}; + +struct clksrc_sources clk_src_mmc0 = { + .sources = clk_src_mmc0_list, + .nr_sources = ARRAY_SIZE(clk_src_mmc0_list), +}; + +static struct clk *clk_src_mmc12_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, + [3] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_mmc12 = { + .sources = clk_src_mmc12_list, + .nr_sources = ARRAY_SIZE(clk_src_mmc12_list), +}; + +static struct clk *clk_src_irda_usb_list[] = { + [0] = &clk_mout_epll.clk, + [1] = &clk_div_mpll.clk, + [2] = &clk_fin_epll, + [3] = &clk_mout_hpll.clk, +}; + +struct clksrc_sources clk_src_irda_usb = { + .sources = clk_src_irda_usb_list, + .nr_sources = ARRAY_SIZE(clk_src_irda_usb_list), +}; + +static struct clk *clk_src_pwi_list[] = { + [0] = &clk_fin_epll, + [1] = &clk_mout_epll.clk, + [2] = &clk_div_mpll.clk, +}; + +struct clksrc_sources clk_src_pwi = { + .sources = clk_src_pwi_list, + .nr_sources = ARRAY_SIZE(clk_src_pwi_list), +}; + +static struct clksrc_clk clksrcs[] = { + { + .clk = { + .name = "sclk_spi", + .id = 0, + .ctrlbit = (1 << 4), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_group1, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 }, + }, { + .clk = { + .name = "sclk_spi", + .id = 1, + .ctrlbit = (1 << 5), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_group1, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 8, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 8, .size = 4 }, + }, { + .clk = { + .name = "sclk_spi", + .id = 2, + .ctrlbit = (1 << 6), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_group1, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 12, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 12, .size = 4 }, + }, { + .clk = { + .name = "uclk1", + .id = -1, + .ctrlbit = (1 << 3), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_group2, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 0, .size = 1 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 }, + }, { + .clk = { + .name = "sclk_mixer", + .id = -1, + .ctrlbit = (1 << 6), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_group6, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 28, .size = 2 }, + }, { + .clk = { + .name = "sclk_audio", + .id = 0, + .ctrlbit = (1 << 8), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group3, + .reg_src = { .reg = S5P_CLK_SRC3, .shift = 12, .size = 3 }, + .reg_div = { .reg = S5P_CLK_DIV4, .shift = 12, .size = 4 }, + }, { + .clk = { + .name = "sclk_audio", + .id = 1, + .ctrlbit = (1 << 9), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group4, + .reg_src = { .reg = S5P_CLK_SRC3, .shift = 16, .size = 3 }, + .reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 }, + }, { + .clk = { + .name = "sclk_audio", + .id = 2, + .ctrlbit = (1 << 10), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group5, + .reg_src = { .reg = S5P_CLK_SRC3, .shift = 20, .size = 3 }, + .reg_div = { .reg = S5P_CLK_DIV4, .shift = 20, .size = 4 }, + }, { + .clk = { + .name = "sclk_lcd", + .id = -1, + .ctrlbit = (1 << 0), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group7, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 12, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 12, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimc", + .id = 0, + .ctrlbit = (1 << 1), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group7, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 16, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 16, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimc", + .id = 1, + .ctrlbit = (1 << 2), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group7, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 20, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimc", + .id = 2, + .ctrlbit = (1 << 3), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_group7, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 24, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 24, .size = 4 }, + }, { + .clk = { + .name = "mmc_bus", + .id = 0, + .ctrlbit = (1 << 12), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_mmc0, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 0, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 0, .size = 4 }, + }, { + .clk = { + .name = "mmc_bus", + .id = 1, + .ctrlbit = (1 << 13), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_mmc12, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 4, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 4, .size = 4 }, + }, { + .clk = { + .name = "mmc_bus", + .id = 2, + .ctrlbit = (1 << 14), + .enable = s5pc100_sclk1_ctrl, + + }, + .sources = &clk_src_mmc12, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 }, + }, { + .clk = { + .name = "sclk_irda", + .id = 2, + .ctrlbit = (1 << 10), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_irda_usb, + .reg_src = { .reg = S5P_CLK_SRC2, .shift = 8, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV3, .shift = 8, .size = 4 }, + }, { + .clk = { + .name = "sclk_irda", + .id = -1, + .ctrlbit = (1 << 10), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_mmc12, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 16, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 }, + }, { + .clk = { + .name = "sclk_pwi", + .id = -1, + .ctrlbit = (1 << 1), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_pwi, + .reg_src = { .reg = S5P_CLK_SRC3, .shift = 0, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV4, .shift = 0, .size = 3 }, + }, { + .clk = { + .name = "sclk_uhost", + .id = -1, + .ctrlbit = (1 << 11), + .enable = s5pc100_sclk0_ctrl, + + }, + .sources = &clk_src_irda_usb, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 20, .size = 2 }, + .reg_div = { .reg = S5P_CLK_DIV2, .shift = 20, .size = 4 }, + }, +}; + +/* Clock initialisation code */ +static struct clksrc_clk *sysclks[] = { + &clk_mout_apll, + &clk_mout_epll, + &clk_mout_mpll, + &clk_mout_hpll, + &clk_mout_href, + &clk_mout_48m, + &clk_div_apll, + &clk_div_arm, + &clk_div_d0_bus, + &clk_div_pclkd0, + &clk_div_secss, + &clk_div_apll2, + &clk_mout_am, + &clk_div_d1_bus, + &clk_div_mpll2, + &clk_div_mpll, + &clk_mout_onenand, + &clk_div_onenand, + &clk_div_pclkd1, + &clk_div_cam, + &clk_div_hdmi, +}; + +void __init_or_cpufreq s5pc100_setup_clocks(void) +{ + unsigned long xtal; + unsigned long arm; + unsigned long hclkd0; + unsigned long hclkd1; + unsigned long pclkd0; + unsigned long pclkd1; + unsigned long apll; + unsigned long mpll; + unsigned long epll; + unsigned long hpll; + unsigned int ptr; + + /* Set S5PC100 functions for clk_fout_epll */ + clk_fout_epll.enable = s5pc100_epll_enable; + clk_fout_epll.ops = &s5pc100_epll_ops; + + printk(KERN_DEBUG "%s: registering clocks\n", __func__); + + xtal = clk_get_rate(&clk_xtal); + + printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); + + apll = s5p_get_pll65xx(xtal, __raw_readl(S5P_APLL_CON)); + mpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_MPLL_CON)); + epll = s5p_get_pll65xx(xtal, __raw_readl(S5P_EPLL_CON)); + hpll = s5p_get_pll65xx(xtal, __raw_readl(S5P_HPLL_CON)); + + printk(KERN_INFO "S5PC100: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz, E=%ld.%ldMHz, H=%ld.%ldMHz\n", + print_mhz(apll), print_mhz(mpll), print_mhz(epll), print_mhz(hpll)); + + clk_fout_apll.rate = apll; + clk_fout_mpll.rate = mpll; + clk_fout_epll.rate = epll; + clk_mout_hpll.clk.rate = hpll; + + for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++) + s3c_set_clksrc(&clksrcs[ptr], true); + + arm = clk_get_rate(&clk_div_arm.clk); + hclkd0 = clk_get_rate(&clk_div_d0_bus.clk); + pclkd0 = clk_get_rate(&clk_div_pclkd0.clk); + hclkd1 = clk_get_rate(&clk_div_d1_bus.clk); + pclkd1 = clk_get_rate(&clk_div_pclkd1.clk); + + printk(KERN_INFO "S5PC100: HCLKD0=%ld.%ldMHz, HCLKD1=%ld.%ldMHz, PCLKD0=%ld.%ldMHz, PCLKD1=%ld.%ldMHz\n", + print_mhz(hclkd0), print_mhz(hclkd1), print_mhz(pclkd0), print_mhz(pclkd1)); + + clk_f.rate = arm; + clk_h.rate = hclkd1; + clk_p.rate = pclkd1; +} + +/* + * The following clocks will be enabled during clock initialization. + */ +static struct clk init_clocks[] = { + { + .name = "tzic", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "intc", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_0_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "ebi", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 5), + }, { + .name = "intmem", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 4), + }, { + .name = "sromc", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "dmc", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "chipid", + .id = -1, + .parent = &clk_div_d0_bus.clk, + .enable = s5pc100_d0_1_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "gpio", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "uart", + .id = 0, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "uart", + .id = 1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "uart", + .id = 2, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "uart", + .id = 3, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_4_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "timers", + .id = -1, + .parent = &clk_div_d1_bus.clk, + .enable = s5pc100_d1_3_ctrl, + .ctrlbit = (1 << 6), + }, +}; + +static struct clk *clks[] __initdata = { + &clk_ext, + &clk_i2scdclk0, + &clk_i2scdclk1, + &clk_i2scdclk2, + &clk_pcmcdclk0, + &clk_pcmcdclk1, +}; + +void __init s5pc100_register_clocks(void) +{ + struct clk *clkp; + int ret; + 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)); + + clkp = init_clocks_disable; + for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) { + + ret = s3c24xx_register_clock(clkp); + if (ret < 0) { + printk(KERN_ERR "Failed to register clock %s (%d)\n", + clkp->name, ret); + } + (clkp->enable)(clkp, 0); + } + + s3c_pwmclk_init(); +} diff --git a/arch/arm/mach-s5pc100/include/mach/regs-clock.h b/arch/arm/mach-s5pc100/include/mach/regs-clock.h new file mode 100644 index 000000000000..f2283bdc941e --- /dev/null +++ b/arch/arm/mach-s5pc100/include/mach/regs-clock.h @@ -0,0 +1,71 @@ +/* linux/arch/arm/mach-s5pc100/include/mach/regs-clock.h + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5PC100 - Clock register definitions + * + * 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. +*/ + +#ifndef __ASM_ARCH_REGS_CLOCK_H +#define __ASM_ARCH_REGS_CLOCK_H __FILE__ + +#include + +#define S5P_CLKREG(x) (S3C_VA_SYS + (x)) + +#define S5P_APLL_LOCK S5P_CLKREG(0x00) +#define S5P_MPLL_LOCK S5P_CLKREG(0x04) +#define S5P_EPLL_LOCK S5P_CLKREG(0x08) +#define S5P_HPLL_LOCK S5P_CLKREG(0x0C) + +#define S5P_APLL_CON S5P_CLKREG(0x100) +#define S5P_MPLL_CON S5P_CLKREG(0x104) +#define S5P_EPLL_CON S5P_CLKREG(0x108) +#define S5P_HPLL_CON S5P_CLKREG(0x10C) + +#define S5P_CLK_SRC0 S5P_CLKREG(0x200) +#define S5P_CLK_SRC1 S5P_CLKREG(0x204) +#define S5P_CLK_SRC2 S5P_CLKREG(0x208) +#define S5P_CLK_SRC3 S5P_CLKREG(0x20C) + +#define S5P_CLK_DIV0 S5P_CLKREG(0x300) +#define S5P_CLK_DIV1 S5P_CLKREG(0x304) +#define S5P_CLK_DIV2 S5P_CLKREG(0x308) +#define S5P_CLK_DIV3 S5P_CLKREG(0x30C) +#define S5P_CLK_DIV4 S5P_CLKREG(0x310) + +#define S5P_CLK_OUT S5P_CLKREG(0x400) + +#define S5P_CLKGATE_D00 S5P_CLKREG(0x500) +#define S5P_CLKGATE_D01 S5P_CLKREG(0x504) +#define S5P_CLKGATE_D02 S5P_CLKREG(0x508) + +#define S5P_CLKGATE_D10 S5P_CLKREG(0x520) +#define S5P_CLKGATE_D11 S5P_CLKREG(0x524) +#define S5P_CLKGATE_D12 S5P_CLKREG(0x528) +#define S5P_CLKGATE_D13 S5P_CLKREG(0x52C) +#define S5P_CLKGATE_D14 S5P_CLKREG(0x530) +#define S5P_CLKGATE_D15 S5P_CLKREG(0x534) + +#define S5P_CLKGATE_D20 S5P_CLKREG(0x540) + +#define S5P_CLKGATE_SCLK0 S5P_CLKREG(0x560) +#define S5P_CLKGATE_SCLK1 S5P_CLKREG(0x564) + +/* CLKDIV0 */ +#define S5P_CLKDIV0_D0_MASK (0x7<<8) +#define S5P_CLKDIV0_D0_SHIFT (8) +#define S5P_CLKDIV0_PCLKD0_MASK (0x7<<12) +#define S5P_CLKDIV0_PCLKD0_SHIFT (12) + +/* CLKDIV1 */ +#define S5P_CLKDIV1_D1_MASK (0x7<<12) +#define S5P_CLKDIV1_D1_SHIFT (12) +#define S5P_CLKDIV1_PCLKD1_MASK (0x7<<16) +#define S5P_CLKDIV1_PCLKD1_SHIFT (16) + +#endif /* __ASM_ARCH_REGS_CLOCK_H */ diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index a8bfabf4b6bc..24a931fd8d3b 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -38,7 +38,7 @@ struct clk clk_xusbxti = { .id = -1, }; -static struct clk s5p_clk_27m = { +struct clk s5p_clk_27m = { .name = "clk_27m", .id = -1, .rate = 27000000, diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h index d48325bb29e2..7db322726bc2 100644 --- a/arch/arm/plat-s5p/include/plat/pll.h +++ b/arch/arm/plat-s5p/include/plat/pll.h @@ -81,3 +81,25 @@ static inline unsigned long s5p_get_pll90xx(unsigned long baseclk, return result; } + +#define PLL65XX_MDIV_MASK (0x3FF) +#define PLL65XX_PDIV_MASK (0x3F) +#define PLL65XX_SDIV_MASK (0x7) +#define PLL65XX_MDIV_SHIFT (16) +#define PLL65XX_PDIV_SHIFT (8) +#define PLL65XX_SDIV_SHIFT (0) + +static inline unsigned long s5p_get_pll65xx(unsigned long baseclk, u32 pll_con) +{ + u32 mdiv, pdiv, sdiv; + u64 fvco = baseclk; + + mdiv = (pll_con >> PLL65XX_MDIV_SHIFT) & PLL65XX_MDIV_MASK; + pdiv = (pll_con >> PLL65XX_PDIV_SHIFT) & PLL65XX_PDIV_MASK; + sdiv = (pll_con >> PLL65XX_SDIV_SHIFT) & PLL65XX_SDIV_MASK; + + fvco *= mdiv; + do_div(fvco, (pdiv << sdiv)); + + return (unsigned long)fvco; +} diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h index aa0447a18903..09418b1101fe 100644 --- a/arch/arm/plat-s5p/include/plat/s5p-clock.h +++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h @@ -21,10 +21,12 @@ #define clk_fin_mpll clk_ext_xtal_mux #define clk_fin_epll clk_ext_xtal_mux #define clk_fin_vpll clk_ext_xtal_mux +#define clk_fin_hpll clk_ext_xtal_mux extern struct clk clk_ext_xtal_mux; extern struct clk clk_xusbxti; extern struct clk clk_48m; +extern struct clk s5p_clk_27m; extern struct clk clk_fout_apll; extern struct clk clk_fout_mpll; extern struct clk clk_fout_epll;