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Diffstat (limited to 'board/samsung/smdk5250/clock_init.c')
-rw-r--r--board/samsung/smdk5250/clock_init.c684
1 files changed, 0 insertions, 684 deletions
diff --git a/board/samsung/smdk5250/clock_init.c b/board/samsung/smdk5250/clock_init.c
deleted file mode 100644
index b288e66..0000000
--- a/board/samsung/smdk5250/clock_init.c
+++ /dev/null
@@ -1,684 +0,0 @@
-/*
- * Clock setup for SMDK5250 board based on EXYNOS5
- *
- * Copyright (C) 2012 Samsung Electronics
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <config.h>
-#include <asm/io.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/spl.h>
-#include <asm/arch/dwmmc.h>
-
-#include "clock_init.h"
-#include "setup.h"
-
-#define FSYS1_MMC0_DIV_MASK 0xff0f
-#define FSYS1_MMC0_DIV_VAL 0x0701
-
-DECLARE_GLOBAL_DATA_PTR;
-
-struct arm_clk_ratios arm_clk_ratios[] = {
- {
- .arm_freq_mhz = 600,
-
- .apll_mdiv = 0xc8,
- .apll_pdiv = 0x4,
- .apll_sdiv = 0x1,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x2,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x1,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 800,
-
- .apll_mdiv = 0x64,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x3,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x2,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1000,
-
- .apll_mdiv = 0x7d,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x1,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x4,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x2,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1200,
-
- .apll_mdiv = 0x96,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x5,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1400,
-
- .apll_mdiv = 0xaf,
- .apll_pdiv = 0x3,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x6,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }, {
- .arm_freq_mhz = 1700,
-
- .apll_mdiv = 0x1a9,
- .apll_pdiv = 0x6,
- .apll_sdiv = 0x0,
-
- .arm2_ratio = 0x0,
- .apll_ratio = 0x3,
- .pclk_dbg_ratio = 0x1,
- .atb_ratio = 0x6,
- .periph_ratio = 0x7,
- .acp_ratio = 0x7,
- .cpud_ratio = 0x3,
- .arm_ratio = 0x0,
- }
-};
-struct mem_timings mem_timings[] = {
- {
- .mem_manuf = MEM_MANUF_ELPIDA,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 800,
- .mpll_mdiv = 0xc8,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x64,
- .bpll_pdiv = 0x3,
- .bpll_sdiv = 0x0,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010042, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36650e,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x4,
- .phy1_tFS = 0x4,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x7,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 0,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_30_OHM,
- .gate_leveling_enable = 0,
- }, {
- .mem_manuf = MEM_MANUF_SAMSUNG,
- .mem_type = DDR_MODE_DDR3,
- .frequency_mhz = 800,
- .mpll_mdiv = 0xc8,
- .mpll_pdiv = 0x3,
- .mpll_sdiv = 0x0,
- .cpll_mdiv = 0xde,
- .cpll_pdiv = 0x4,
- .cpll_sdiv = 0x2,
- .gpll_mdiv = 0x215,
- .gpll_pdiv = 0xc,
- .gpll_sdiv = 0x1,
- .epll_mdiv = 0x60,
- .epll_pdiv = 0x3,
- .epll_sdiv = 0x3,
- .vpll_mdiv = 0x96,
- .vpll_pdiv = 0x3,
- .vpll_sdiv = 0x2,
-
- .bpll_mdiv = 0x64,
- .bpll_pdiv = 0x3,
- .bpll_sdiv = 0x0,
- .pclk_cdrex_ratio = 0x5,
- .direct_cmd_msr = {
- 0x00020018, 0x00030000, 0x00010000, 0x00000d70
- },
- .timing_ref = 0x000000bb,
- .timing_row = 0x8c36650e,
- .timing_data = 0x3630580b,
- .timing_power = 0x41000a44,
- .phy0_dqs = 0x08080808,
- .phy1_dqs = 0x08080808,
- .phy0_dq = 0x08080808,
- .phy1_dq = 0x08080808,
- .phy0_tFS = 0x8,
- .phy1_tFS = 0x8,
- .phy0_pulld_dqs = 0xf,
- .phy1_pulld_dqs = 0xf,
-
- .lpddr3_ctrl_phy_reset = 0x1,
- .ctrl_start_point = 0x10,
- .ctrl_inc = 0x10,
- .ctrl_start = 0x1,
- .ctrl_dll_on = 0x1,
- .ctrl_ref = 0x8,
-
- .ctrl_force = 0x1a,
- .ctrl_rdlat = 0x0b,
- .ctrl_bstlen = 0x08,
-
- .fp_resync = 0x8,
- .iv_size = 0x7,
- .dfi_init_start = 1,
- .aref_en = 1,
-
- .rd_fetch = 0x3,
-
- .zq_mode_dds = 0x5,
- .zq_mode_term = 0x1,
- .zq_mode_noterm = 1,
-
- /*
- * Dynamic Clock: Always Running
- * Memory Burst length: 8
- * Number of chips: 1
- * Memory Bus width: 32 bit
- * Memory Type: DDR3
- * Additional Latancy for PLL: 0 Cycle
- */
- .memcontrol = DMC_MEMCONTROL_CLK_STOP_DISABLE |
- DMC_MEMCONTROL_DPWRDN_DISABLE |
- DMC_MEMCONTROL_DPWRDN_ACTIVE_PRECHARGE |
- DMC_MEMCONTROL_TP_DISABLE |
- DMC_MEMCONTROL_DSREF_ENABLE |
- DMC_MEMCONTROL_ADD_LAT_PALL_CYCLE(0) |
- DMC_MEMCONTROL_MEM_TYPE_DDR3 |
- DMC_MEMCONTROL_MEM_WIDTH_32BIT |
- DMC_MEMCONTROL_NUM_CHIP_1 |
- DMC_MEMCONTROL_BL_8 |
- DMC_MEMCONTROL_PZQ_DISABLE |
- DMC_MEMCONTROL_MRR_BYTE_7_0,
- .memconfig = DMC_MEMCONFIGx_CHIP_MAP_INTERLEAVED |
- DMC_MEMCONFIGx_CHIP_COL_10 |
- DMC_MEMCONFIGx_CHIP_ROW_15 |
- DMC_MEMCONFIGx_CHIP_BANK_8,
- .membaseconfig0 = DMC_MEMBASECONFIG_VAL(0x40),
- .membaseconfig1 = DMC_MEMBASECONFIG_VAL(0x80),
- .prechconfig_tp_cnt = 0xff,
- .dpwrdn_cyc = 0xff,
- .dsref_cyc = 0xffff,
- .concontrol = DMC_CONCONTROL_DFI_INIT_START_DISABLE |
- DMC_CONCONTROL_TIMEOUT_LEVEL0 |
- DMC_CONCONTROL_RD_FETCH_DISABLE |
- DMC_CONCONTROL_EMPTY_DISABLE |
- DMC_CONCONTROL_AREF_EN_DISABLE |
- DMC_CONCONTROL_IO_PD_CON_DISABLE,
- .dmc_channels = 2,
- .chips_per_channel = 2,
- .chips_to_configure = 1,
- .send_zq_init = 1,
- .impedance = IMP_OUTPUT_DRV_40_OHM,
- .gate_leveling_enable = 1,
- }
-};
-
-/**
- * Get the required memory type and speed (SPL version).
- *
- * In SPL we have no device tree, so we use the machine parameters
- *
- * @param mem_type Returns memory type
- * @param frequency_mhz Returns memory speed in MHz
- * @param arm_freq Returns ARM clock speed in MHz
- * @param mem_manuf Return Memory Manufacturer name
- * @return 0 if all ok
- */
-static int clock_get_mem_selection(enum ddr_mode *mem_type,
- unsigned *frequency_mhz, unsigned *arm_freq,
- enum mem_manuf *mem_manuf)
-{
- struct spl_machine_param *params;
-
- params = spl_get_machine_params();
- *mem_type = params->mem_type;
- *frequency_mhz = params->frequency_mhz;
- *arm_freq = params->arm_freq_mhz;
- *mem_manuf = params->mem_manuf;
-
- return 0;
-}
-
-/* Get the ratios for setting ARM clock */
-struct arm_clk_ratios *get_arm_ratios(void)
-{
- struct arm_clk_ratios *arm_ratio;
- enum ddr_mode mem_type;
- enum mem_manuf mem_manuf;
- unsigned frequency_mhz, arm_freq;
- int i;
-
- if (clock_get_mem_selection(&mem_type, &frequency_mhz,
- &arm_freq, &mem_manuf))
- ;
- for (i = 0, arm_ratio = arm_clk_ratios; i < ARRAY_SIZE(arm_clk_ratios);
- i++, arm_ratio++) {
- if (arm_ratio->arm_freq_mhz == arm_freq)
- return arm_ratio;
- }
-
- /* will hang if failed to find clock ratio */
- while (1)
- ;
-
- return NULL;
-}
-
-struct mem_timings *clock_get_mem_timings(void)
-{
- struct mem_timings *mem;
- enum ddr_mode mem_type;
- enum mem_manuf mem_manuf;
- unsigned frequency_mhz, arm_freq;
- int i;
-
- if (!clock_get_mem_selection(&mem_type, &frequency_mhz,
- &arm_freq, &mem_manuf)) {
- for (i = 0, mem = mem_timings; i < ARRAY_SIZE(mem_timings);
- i++, mem++) {
- if (mem->mem_type == mem_type &&
- mem->frequency_mhz == frequency_mhz &&
- mem->mem_manuf == mem_manuf)
- return mem;
- }
- }
-
- /* will hang if failed to find memory timings */
- while (1)
- ;
-
- return NULL;
-}
-
-void system_clock_init()
-{
- struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
- struct mem_timings *mem;
- struct arm_clk_ratios *arm_clk_ratio;
- u32 val, tmp;
-
- mem = clock_get_mem_timings();
- arm_clk_ratio = get_arm_ratios();
-
- clrbits_le32(&clk->src_cpu, MUX_APLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_cpu);
- } while ((val | MUX_APLL_SEL_MASK) != val);
-
- clrbits_le32(&clk->src_core1, MUX_MPLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_core1);
- } while ((val | MUX_MPLL_SEL_MASK) != val);
-
- clrbits_le32(&clk->src_top2, MUX_CPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_EPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_VPLL_SEL_MASK);
- clrbits_le32(&clk->src_top2, MUX_GPLL_SEL_MASK);
- tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK
- | MUX_GPLL_SEL_MASK;
- do {
- val = readl(&clk->mux_stat_top2);
- } while ((val | tmp) != val);
-
- clrbits_le32(&clk->src_cdrex, MUX_BPLL_SEL_MASK);
- do {
- val = readl(&clk->mux_stat_cdrex);
- } while ((val | MUX_BPLL_SEL_MASK) != val);
-
- /* PLL locktime */
- writel(APLL_LOCK_VAL, &clk->apll_lock);
-
- writel(MPLL_LOCK_VAL, &clk->mpll_lock);
-
- writel(BPLL_LOCK_VAL, &clk->bpll_lock);
-
- writel(CPLL_LOCK_VAL, &clk->cpll_lock);
-
- writel(GPLL_LOCK_VAL, &clk->gpll_lock);
-
- writel(EPLL_LOCK_VAL, &clk->epll_lock);
-
- writel(VPLL_LOCK_VAL, &clk->vpll_lock);
-
- writel(CLK_REG_DISABLE, &clk->pll_div2_sel);
-
- writel(MUX_HPM_SEL_MASK, &clk->src_cpu);
- do {
- val = readl(&clk->mux_stat_cpu);
- } while ((val | HPM_SEL_SCLK_MPLL) != val);
-
- val = arm_clk_ratio->arm2_ratio << 28
- | arm_clk_ratio->apll_ratio << 24
- | arm_clk_ratio->pclk_dbg_ratio << 20
- | arm_clk_ratio->atb_ratio << 16
- | arm_clk_ratio->periph_ratio << 12
- | arm_clk_ratio->acp_ratio << 8
- | arm_clk_ratio->cpud_ratio << 4
- | arm_clk_ratio->arm_ratio;
- writel(val, &clk->div_cpu0);
- do {
- val = readl(&clk->div_stat_cpu0);
- } while (0 != val);
-
- writel(CLK_DIV_CPU1_VAL, &clk->div_cpu1);
- do {
- val = readl(&clk->div_stat_cpu1);
- } while (0 != val);
-
- /* Set APLL */
- writel(APLL_CON1_VAL, &clk->apll_con1);
- val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv,
- arm_clk_ratio->apll_sdiv);
- writel(val, &clk->apll_con0);
- while ((readl(&clk->apll_con0) & APLL_CON0_LOCKED) == 0)
- ;
-
- /* Set MPLL */
- writel(MPLL_CON1_VAL, &clk->mpll_con1);
- val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv);
- writel(val, &clk->mpll_con0);
- while ((readl(&clk->mpll_con0) & MPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set BPLL */
- writel(BPLL_CON1_VAL, &clk->bpll_con1);
- val = set_pll(mem->bpll_mdiv, mem->bpll_pdiv, mem->bpll_sdiv);
- writel(val, &clk->bpll_con0);
- while ((readl(&clk->bpll_con0) & BPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set CPLL */
- writel(CPLL_CON1_VAL, &clk->cpll_con1);
- val = set_pll(mem->cpll_mdiv, mem->cpll_pdiv, mem->cpll_sdiv);
- writel(val, &clk->cpll_con0);
- while ((readl(&clk->cpll_con0) & CPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set GPLL */
- writel(GPLL_CON1_VAL, &clk->gpll_con1);
- val = set_pll(mem->gpll_mdiv, mem->gpll_pdiv, mem->gpll_sdiv);
- writel(val, &clk->gpll_con0);
- while ((readl(&clk->gpll_con0) & GPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set EPLL */
- writel(EPLL_CON2_VAL, &clk->epll_con2);
- writel(EPLL_CON1_VAL, &clk->epll_con1);
- val = set_pll(mem->epll_mdiv, mem->epll_pdiv, mem->epll_sdiv);
- writel(val, &clk->epll_con0);
- while ((readl(&clk->epll_con0) & EPLL_CON0_LOCKED) == 0)
- ;
-
- /* Set VPLL */
- writel(VPLL_CON2_VAL, &clk->vpll_con2);
- writel(VPLL_CON1_VAL, &clk->vpll_con1);
- val = set_pll(mem->vpll_mdiv, mem->vpll_pdiv, mem->vpll_sdiv);
- writel(val, &clk->vpll_con0);
- while ((readl(&clk->vpll_con0) & VPLL_CON0_LOCKED) == 0)
- ;
-
- writel(CLK_SRC_CORE0_VAL, &clk->src_core0);
- writel(CLK_DIV_CORE0_VAL, &clk->div_core0);
- while (readl(&clk->div_stat_core0) != 0)
- ;
-
- writel(CLK_DIV_CORE1_VAL, &clk->div_core1);
- while (readl(&clk->div_stat_core1) != 0)
- ;
-
- writel(CLK_DIV_SYSRGT_VAL, &clk->div_sysrgt);
- while (readl(&clk->div_stat_sysrgt) != 0)
- ;
-
- writel(CLK_DIV_ACP_VAL, &clk->div_acp);
- while (readl(&clk->div_stat_acp) != 0)
- ;
-
- writel(CLK_DIV_SYSLFT_VAL, &clk->div_syslft);
- while (readl(&clk->div_stat_syslft) != 0)
- ;
-
- writel(CLK_SRC_TOP0_VAL, &clk->src_top0);
- writel(CLK_SRC_TOP1_VAL, &clk->src_top1);
- writel(TOP2_VAL, &clk->src_top2);
- writel(CLK_SRC_TOP3_VAL, &clk->src_top3);
-
- writel(CLK_DIV_TOP0_VAL, &clk->div_top0);
- while (readl(&clk->div_stat_top0))
- ;
-
- writel(CLK_DIV_TOP1_VAL, &clk->div_top1);
- while (readl(&clk->div_stat_top1))
- ;
-
- writel(CLK_SRC_LEX_VAL, &clk->src_lex);
- while (1) {
- val = readl(&clk->mux_stat_lex);
- if (val == (val | 1))
- break;
- }
-
- writel(CLK_DIV_LEX_VAL, &clk->div_lex);
- while (readl(&clk->div_stat_lex))
- ;
-
- writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
- while (readl(&clk->div_stat_r0x))
- ;
-
- writel(CLK_DIV_R0X_VAL, &clk->div_r0x);
- while (readl(&clk->div_stat_r0x))
- ;
-
- writel(CLK_DIV_R1X_VAL, &clk->div_r1x);
- while (readl(&clk->div_stat_r1x))
- ;
-
- writel(CLK_REG_DISABLE, &clk->src_cdrex);
-
- writel(CLK_DIV_CDREX_VAL, &clk->div_cdrex);
- while (readl(&clk->div_stat_cdrex))
- ;
-
- val = readl(&clk->src_cpu);
- val |= CLK_SRC_CPU_VAL;
- writel(val, &clk->src_cpu);
-
- val = readl(&clk->src_top2);
- val |= CLK_SRC_TOP2_VAL;
- writel(val, &clk->src_top2);
-
- val = readl(&clk->src_core1);
- val |= CLK_SRC_CORE1_VAL;
- writel(val, &clk->src_core1);
-
- writel(CLK_SRC_FSYS0_VAL, &clk->src_fsys);
- writel(CLK_DIV_FSYS0_VAL, &clk->div_fsys0);
- while (readl(&clk->div_stat_fsys0))
- ;
-
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_cpu);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_core);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_acp);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_top);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_lex);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_r0x);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_r1x);
- writel(CLK_REG_DISABLE, &clk->clkout_cmu_cdrex);
-
- writel(CLK_SRC_PERIC0_VAL, &clk->src_peric0);
- writel(CLK_DIV_PERIC0_VAL, &clk->div_peric0);
-
- writel(CLK_SRC_PERIC1_VAL, &clk->src_peric1);
- writel(CLK_DIV_PERIC1_VAL, &clk->div_peric1);
- writel(CLK_DIV_PERIC2_VAL, &clk->div_peric2);
- writel(CLK_DIV_PERIC3_VAL, &clk->div_peric3);
-
- writel(SCLK_SRC_ISP_VAL, &clk->sclk_src_isp);
- writel(SCLK_DIV_ISP_VAL, &clk->sclk_div_isp);
- writel(CLK_DIV_ISP0_VAL, &clk->div_isp0);
- writel(CLK_DIV_ISP1_VAL, &clk->div_isp1);
- writel(CLK_DIV_ISP2_VAL, &clk->div_isp2);
-
- /* FIMD1 SRC CLK SELECTION */
- writel(CLK_SRC_DISP1_0_VAL, &clk->src_disp1_0);
-
- val = MMC2_PRE_RATIO_VAL << MMC2_PRE_RATIO_OFFSET
- | MMC2_RATIO_VAL << MMC2_RATIO_OFFSET
- | MMC3_PRE_RATIO_VAL << MMC3_PRE_RATIO_OFFSET
- | MMC3_RATIO_VAL << MMC3_RATIO_OFFSET;
- writel(val, &clk->div_fsys2);
-}
-
-void clock_init_dp_clock(void)
-{
- struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
-
- /* DP clock enable */
- setbits_le32(&clk->gate_ip_disp1, CLK_GATE_DP1_ALLOW);
-
- /* We run DP at 267 Mhz */
- setbits_le32(&clk->div_disp1_0, CLK_DIV_DISP1_0_FIMD1);
-}
-
-/*
- * Set clock divisor value for booting from EMMC.
- * Set DWMMC channel-0 clk div to operate mmc0 device at 50MHz.
- */
-void emmc_boot_clk_div_set(void)
-{
- struct exynos5_clock *clk = (struct exynos5_clock *)EXYNOS5_CLOCK_BASE;
- unsigned int div_mmc;
-
- div_mmc = readl((unsigned int) &clk->div_fsys1) & ~FSYS1_MMC0_DIV_MASK;
- div_mmc |= FSYS1_MMC0_DIV_VAL;
- writel(div_mmc, (unsigned int) &clk->div_fsys1);
-}
generated by cgit v1.1 at 2024-07-17 02:42:08 +0000