forked from Minki/linux
cpufreq: exynos: Use APLL_FREQ macro for cpu divider value
Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Jonghwan Choi
Kukjin Kim
parent
857d90f701
commit
9d0554fff9
@ -18,6 +18,22 @@ enum cpufreq_level_index {
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L20,
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};
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#define APLL_FREQ(f, a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, m, p, s) \
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{ \
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.freq = (f) * 1000, \
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.clk_div_cpu0 = ((a0) | (a1) << 4 | (a2) << 8 | (a3) << 12 | \
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(a4) << 16 | (a5) << 20 | (a6) << 24 | (a7) << 28), \
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.clk_div_cpu1 = (b0 << 0 | b1 << 4 | b2 << 8), \
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.mps = ((m) << 16 | (p) << 8 | (s)), \
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}
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struct apll_freq {
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unsigned int freq;
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u32 clk_div_cpu0;
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u32 clk_div_cpu1;
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u32 mps;
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};
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struct exynos_dvfs_info {
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unsigned long mpll_freq_khz;
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unsigned int pll_safe_idx;
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@ -20,94 +20,37 @@
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#include <mach/regs-clock.h>
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#include <mach/cpufreq.h>
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#define CPUFREQ_LEVEL_END L5
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static struct clk *cpu_clk;
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static struct clk *moutcore;
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static struct clk *mout_mpll;
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static struct clk *mout_apll;
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struct cpufreq_clkdiv {
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unsigned int index;
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unsigned int clkdiv;
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};
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static unsigned int exynos4210_volt_table[CPUFREQ_LEVEL_END] = {
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static unsigned int exynos4210_volt_table[] = {
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1250000, 1150000, 1050000, 975000, 950000,
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};
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static struct cpufreq_clkdiv exynos4210_clkdiv_table[CPUFREQ_LEVEL_END];
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static struct cpufreq_frequency_table exynos4210_freq_table[] = {
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{L0, 1200*1000},
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{L1, 1000*1000},
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{L2, 800*1000},
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{L3, 500*1000},
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{L4, 200*1000},
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{L0, 1200 * 1000},
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{L1, 1000 * 1000},
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{L2, 800 * 1000},
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{L3, 500 * 1000},
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{L4, 200 * 1000},
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{0, CPUFREQ_TABLE_END},
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};
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static unsigned int clkdiv_cpu0[CPUFREQ_LEVEL_END][7] = {
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static struct apll_freq apll_freq_4210[] = {
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/*
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* Clock divider value for following
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* { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
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* DIVATB, DIVPCLK_DBG, DIVAPLL }
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* values:
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* freq
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* clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, RESERVED
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* clock divider for COPY, HPM, RESERVED
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* PLL M, P, S
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*/
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/* ARM L0: 1200MHz */
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{ 0, 3, 7, 3, 4, 1, 7 },
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/* ARM L1: 1000MHz */
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{ 0, 3, 7, 3, 4, 1, 7 },
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/* ARM L2: 800MHz */
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{ 0, 3, 7, 3, 3, 1, 7 },
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/* ARM L3: 500MHz */
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{ 0, 3, 7, 3, 3, 1, 7 },
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/* ARM L4: 200MHz */
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{ 0, 1, 3, 1, 3, 1, 0 },
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};
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static unsigned int clkdiv_cpu1[CPUFREQ_LEVEL_END][2] = {
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/*
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* Clock divider value for following
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* { DIVCOPY, DIVHPM }
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*/
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/* ARM L0: 1200MHz */
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{ 5, 0 },
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/* ARM L1: 1000MHz */
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{ 4, 0 },
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/* ARM L2: 800MHz */
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{ 3, 0 },
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/* ARM L3: 500MHz */
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{ 3, 0 },
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/* ARM L4: 200MHz */
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{ 3, 0 },
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};
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static unsigned int exynos4210_apll_pms_table[CPUFREQ_LEVEL_END] = {
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/* APLL FOUT L0: 1200MHz */
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((150 << 16) | (3 << 8) | 1),
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/* APLL FOUT L1: 1000MHz */
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((250 << 16) | (6 << 8) | 1),
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/* APLL FOUT L2: 800MHz */
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((200 << 16) | (6 << 8) | 1),
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/* APLL FOUT L3: 500MHz */
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((250 << 16) | (6 << 8) | 2),
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/* APLL FOUT L4: 200MHz */
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((200 << 16) | (6 << 8) | 3),
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APLL_FREQ(1200, 0, 3, 7, 3, 4, 1, 7, 0, 5, 0, 0, 150, 3, 1),
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APLL_FREQ(1000, 0, 3, 7, 3, 4, 1, 7, 0, 4, 0, 0, 250, 6, 1),
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APLL_FREQ(800, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 200, 6, 1),
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APLL_FREQ(500, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 250, 6, 2),
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APLL_FREQ(200, 0, 1, 3, 1, 3, 1, 0, 0, 3, 0, 0, 200, 6, 3),
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};
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static void exynos4210_set_clkdiv(unsigned int div_index)
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@ -116,7 +59,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
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/* Change Divider - CPU0 */
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tmp = exynos4210_clkdiv_table[div_index].clkdiv;
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tmp = apll_freq_4210[div_index].clk_div_cpu0;
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__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
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@ -126,12 +69,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
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/* Change Divider - CPU1 */
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tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);
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tmp &= ~((0x7 << 4) | 0x7);
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tmp |= ((clkdiv_cpu1[div_index][0] << 4) |
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(clkdiv_cpu1[div_index][1] << 0));
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tmp = apll_freq_4210[div_index].clk_div_cpu1;
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__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
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@ -159,7 +97,7 @@ static void exynos4210_set_apll(unsigned int index)
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/* 3. Change PLL PMS values */
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tmp = __raw_readl(EXYNOS4_APLL_CON0);
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tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
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tmp |= exynos4210_apll_pms_table[index];
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tmp |= apll_freq_4210[index].mps;
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__raw_writel(tmp, EXYNOS4_APLL_CON0);
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/* 4. wait_lock_time */
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@ -178,8 +116,8 @@ static void exynos4210_set_apll(unsigned int index)
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bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index)
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{
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unsigned int old_pm = (exynos4210_apll_pms_table[old_index] >> 8);
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unsigned int new_pm = (exynos4210_apll_pms_table[new_index] >> 8);
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unsigned int old_pm = apll_freq_4210[old_index].mps >> 8;
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unsigned int new_pm = apll_freq_4210[new_index].mps >> 8;
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return (old_pm == new_pm) ? 0 : 1;
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}
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@ -197,7 +135,7 @@ static void exynos4210_set_frequency(unsigned int old_index,
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/* 2. Change just s value in apll m,p,s value */
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tmp = __raw_readl(EXYNOS4_APLL_CON0);
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tmp &= ~(0x7 << 0);
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tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
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tmp |= apll_freq_4210[new_index].mps & 0x7;
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__raw_writel(tmp, EXYNOS4_APLL_CON0);
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} else {
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/* Clock Configuration Procedure */
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@ -211,7 +149,7 @@ static void exynos4210_set_frequency(unsigned int old_index,
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/* 1. Change just s value in apll m,p,s value */
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tmp = __raw_readl(EXYNOS4_APLL_CON0);
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tmp &= ~(0x7 << 0);
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tmp |= (exynos4210_apll_pms_table[new_index] & 0x7);
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tmp |= apll_freq_4210[new_index].mps & 0x7;
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__raw_writel(tmp, EXYNOS4_APLL_CON0);
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/* 2. Change the system clock divider values */
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@ -228,8 +166,6 @@ static void exynos4210_set_frequency(unsigned int old_index,
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int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
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{
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int i;
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unsigned int tmp;
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unsigned long rate;
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cpu_clk = clk_get(NULL, "armclk");
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@ -250,29 +186,8 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
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if (IS_ERR(mout_apll))
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goto err_mout_apll;
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tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);
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for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
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tmp &= ~(EXYNOS4_CLKDIV_CPU0_CORE_MASK |
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EXYNOS4_CLKDIV_CPU0_COREM0_MASK |
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EXYNOS4_CLKDIV_CPU0_COREM1_MASK |
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EXYNOS4_CLKDIV_CPU0_PERIPH_MASK |
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EXYNOS4_CLKDIV_CPU0_ATB_MASK |
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EXYNOS4_CLKDIV_CPU0_PCLKDBG_MASK |
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EXYNOS4_CLKDIV_CPU0_APLL_MASK);
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tmp |= ((clkdiv_cpu0[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
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(clkdiv_cpu0[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
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(clkdiv_cpu0[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
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(clkdiv_cpu0[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
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(clkdiv_cpu0[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
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(clkdiv_cpu0[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
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(clkdiv_cpu0[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));
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exynos4210_clkdiv_table[i].clkdiv = tmp;
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}
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info->mpll_freq_khz = rate;
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/* 800Mhz */
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info->pll_safe_idx = L2;
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info->cpu_clk = cpu_clk;
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info->volt_table = exynos4210_volt_table;
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@ -20,23 +20,18 @@
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#include <mach/regs-clock.h>
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#include <mach/cpufreq.h>
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#define CPUFREQ_LEVEL_END (L13 + 1)
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static struct clk *cpu_clk;
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static struct clk *moutcore;
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static struct clk *mout_mpll;
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static struct clk *mout_apll;
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struct cpufreq_clkdiv {
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unsigned int index;
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unsigned int clkdiv;
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unsigned int clkdiv1;
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static unsigned int exynos4x12_volt_table[] = {
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1350000, 1287500, 1250000, 1187500, 1137500, 1087500, 1037500,
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1000000, 987500, 975000, 950000, 925000, 900000, 900000
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};
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static unsigned int exynos4x12_volt_table[CPUFREQ_LEVEL_END];
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static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
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{L0, 1500 * 1000},
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{L0, CPUFREQ_ENTRY_INVALID},
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{L1, 1400 * 1000},
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{L2, 1300 * 1000},
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{L3, 1200 * 1000},
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@ -53,247 +48,54 @@ static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
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{0, CPUFREQ_TABLE_END},
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};
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static struct cpufreq_clkdiv exynos4x12_clkdiv_table[CPUFREQ_LEVEL_END];
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static struct apll_freq *apll_freq_4x12;
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static unsigned int clkdiv_cpu0_4212[CPUFREQ_LEVEL_END][8] = {
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static struct apll_freq apll_freq_4212[] = {
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/*
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* Clock divider value for following
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* { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
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* DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
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* values:
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* freq
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* clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
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* clock divider for COPY, HPM, RESERVED
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* PLL M, P, S
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*/
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/* ARM L0: 1500 MHz */
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{ 0, 3, 7, 0, 6, 1, 2, 0 },
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/* ARM L1: 1400 MHz */
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{ 0, 3, 7, 0, 6, 1, 2, 0 },
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/* ARM L2: 1300 MHz */
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{ 0, 3, 7, 0, 5, 1, 2, 0 },
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/* ARM L3: 1200 MHz */
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{ 0, 3, 7, 0, 5, 1, 2, 0 },
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/* ARM L4: 1100 MHz */
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{ 0, 3, 6, 0, 4, 1, 2, 0 },
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/* ARM L5: 1000 MHz */
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{ 0, 2, 5, 0, 4, 1, 1, 0 },
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/* ARM L6: 900 MHz */
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{ 0, 2, 5, 0, 3, 1, 1, 0 },
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/* ARM L7: 800 MHz */
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{ 0, 2, 5, 0, 3, 1, 1, 0 },
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/* ARM L8: 700 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L9: 600 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L10: 500 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L11: 400 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L12: 300 MHz */
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{ 0, 2, 4, 0, 2, 1, 1, 0 },
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/* ARM L13: 200 MHz */
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{ 0, 1, 3, 0, 1, 1, 1, 0 },
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APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 250, 4, 0),
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APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 175, 3, 0),
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APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 325, 6, 0),
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APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 200, 4, 0),
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APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 2, 0, 275, 6, 0),
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APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 2, 0, 125, 3, 0),
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APLL_FREQ(900, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 150, 4, 0),
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APLL_FREQ(800, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 0),
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APLL_FREQ(700, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 175, 3, 1),
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APLL_FREQ(600, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 200, 4, 1),
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APLL_FREQ(500, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 125, 3, 1),
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APLL_FREQ(400, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 1),
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APLL_FREQ(300, 0, 2, 4, 0, 2, 1, 1, 0, 3, 2, 0, 200, 4, 2),
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APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 2, 0, 100, 3, 2),
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};
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static unsigned int clkdiv_cpu0_4412[CPUFREQ_LEVEL_END][8] = {
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static struct apll_freq apll_freq_4412[] = {
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/*
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* Clock divider value for following
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* { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
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* DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
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* values:
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* freq
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* clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
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* clock divider for COPY, HPM, CORES
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* PLL M, P, S
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*/
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/* ARM L0: 1500 MHz */
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{ 0, 3, 7, 0, 6, 1, 2, 0 },
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/* ARM L1: 1400 MHz */
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{ 0, 3, 7, 0, 6, 1, 2, 0 },
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/* ARM L2: 1300 MHz */
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{ 0, 3, 7, 0, 5, 1, 2, 0 },
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/* ARM L3: 1200 MHz */
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{ 0, 3, 7, 0, 5, 1, 2, 0 },
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/* ARM L4: 1100 MHz */
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{ 0, 3, 6, 0, 4, 1, 2, 0 },
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/* ARM L5: 1000 MHz */
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{ 0, 2, 5, 0, 4, 1, 1, 0 },
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/* ARM L6: 900 MHz */
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{ 0, 2, 5, 0, 3, 1, 1, 0 },
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/* ARM L7: 800 MHz */
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{ 0, 2, 5, 0, 3, 1, 1, 0 },
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/* ARM L8: 700 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L9: 600 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L10: 500 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L11: 400 MHz */
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{ 0, 2, 4, 0, 3, 1, 1, 0 },
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/* ARM L12: 300 MHz */
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{ 0, 2, 4, 0, 2, 1, 1, 0 },
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/* ARM L13: 200 MHz */
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{ 0, 1, 3, 0, 1, 1, 1, 0 },
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};
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static unsigned int clkdiv_cpu1_4212[CPUFREQ_LEVEL_END][2] = {
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/* Clock divider value for following
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* { DIVCOPY, DIVHPM }
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*/
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/* ARM L0: 1500 MHz */
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{ 6, 0 },
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||||
|
||||
/* ARM L1: 1400 MHz */
|
||||
{ 6, 0 },
|
||||
|
||||
/* ARM L2: 1300 MHz */
|
||||
{ 5, 0 },
|
||||
|
||||
/* ARM L3: 1200 MHz */
|
||||
{ 5, 0 },
|
||||
|
||||
/* ARM L4: 1100 MHz */
|
||||
{ 4, 0 },
|
||||
|
||||
/* ARM L5: 1000 MHz */
|
||||
{ 4, 0 },
|
||||
|
||||
/* ARM L6: 900 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L7: 800 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L8: 700 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L9: 600 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L10: 500 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L11: 400 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L12: 300 MHz */
|
||||
{ 3, 0 },
|
||||
|
||||
/* ARM L13: 200 MHz */
|
||||
{ 3, 0 },
|
||||
};
|
||||
|
||||
static unsigned int clkdiv_cpu1_4412[CPUFREQ_LEVEL_END][3] = {
|
||||
/* Clock divider value for following
|
||||
* { DIVCOPY, DIVHPM, DIVCORES }
|
||||
*/
|
||||
/* ARM L0: 1500 MHz */
|
||||
{ 6, 0, 7 },
|
||||
|
||||
/* ARM L1: 1400 MHz */
|
||||
{ 6, 0, 6 },
|
||||
|
||||
/* ARM L2: 1300 MHz */
|
||||
{ 5, 0, 6 },
|
||||
|
||||
/* ARM L3: 1200 MHz */
|
||||
{ 5, 0, 5 },
|
||||
|
||||
/* ARM L4: 1100 MHz */
|
||||
{ 4, 0, 5 },
|
||||
|
||||
/* ARM L5: 1000 MHz */
|
||||
{ 4, 0, 4 },
|
||||
|
||||
/* ARM L6: 900 MHz */
|
||||
{ 3, 0, 4 },
|
||||
|
||||
/* ARM L7: 800 MHz */
|
||||
{ 3, 0, 3 },
|
||||
|
||||
/* ARM L8: 700 MHz */
|
||||
{ 3, 0, 3 },
|
||||
|
||||
/* ARM L9: 600 MHz */
|
||||
{ 3, 0, 2 },
|
||||
|
||||
/* ARM L10: 500 MHz */
|
||||
{ 3, 0, 2 },
|
||||
|
||||
/* ARM L11: 400 MHz */
|
||||
{ 3, 0, 1 },
|
||||
|
||||
/* ARM L12: 300 MHz */
|
||||
{ 3, 0, 1 },
|
||||
|
||||
/* ARM L13: 200 MHz */
|
||||
{ 3, 0, 0 },
|
||||
};
|
||||
|
||||
static unsigned int exynos4x12_apll_pms_table[CPUFREQ_LEVEL_END] = {
|
||||
/* APLL FOUT L0: 1500 MHz */
|
||||
((250 << 16) | (4 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L1: 1400 MHz */
|
||||
((175 << 16) | (3 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L2: 1300 MHz */
|
||||
((325 << 16) | (6 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L3: 1200 MHz */
|
||||
((200 << 16) | (4 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L4: 1100 MHz */
|
||||
((275 << 16) | (6 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L5: 1000 MHz */
|
||||
((125 << 16) | (3 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L6: 900 MHz */
|
||||
((150 << 16) | (4 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L7: 800 MHz */
|
||||
((100 << 16) | (3 << 8) | (0x0)),
|
||||
|
||||
/* APLL FOUT L8: 700 MHz */
|
||||
((175 << 16) | (3 << 8) | (0x1)),
|
||||
|
||||
/* APLL FOUT L9: 600 MHz */
|
||||
((200 << 16) | (4 << 8) | (0x1)),
|
||||
|
||||
/* APLL FOUT L10: 500 MHz */
|
||||
((125 << 16) | (3 << 8) | (0x1)),
|
||||
|
||||
/* APLL FOUT L11 400 MHz */
|
||||
((100 << 16) | (3 << 8) | (0x1)),
|
||||
|
||||
/* APLL FOUT L12: 300 MHz */
|
||||
((200 << 16) | (4 << 8) | (0x2)),
|
||||
|
||||
/* APLL FOUT L13: 200 MHz */
|
||||
((100 << 16) | (3 << 8) | (0x2)),
|
||||
};
|
||||
|
||||
static const unsigned int asv_voltage_4x12[CPUFREQ_LEVEL_END] = {
|
||||
1350000, 1287500, 1250000, 1187500, 1137500, 1087500, 1037500,
|
||||
1000000, 987500, 975000, 950000, 925000, 900000, 900000
|
||||
APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 7, 250, 4, 0),
|
||||
APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 0, 6, 175, 3, 0),
|
||||
APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 6, 325, 6, 0),
|
||||
APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 0, 5, 200, 4, 0),
|
||||
APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 0, 5, 275, 6, 0),
|
||||
APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 0, 4, 125, 3, 0),
|
||||
APLL_FREQ(900, 0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 4, 150, 4, 0),
|
||||
APLL_FREQ(800, 0, 2, 5, 0, 3, 1, 1, 0, 3, 0, 3, 100, 3, 0),
|
||||
APLL_FREQ(700, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 3, 175, 3, 1),
|
||||
APLL_FREQ(600, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 200, 4, 1),
|
||||
APLL_FREQ(500, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 2, 125, 3, 1),
|
||||
APLL_FREQ(400, 0, 2, 4, 0, 3, 1, 1, 0, 3, 0, 1, 100, 3, 1),
|
||||
APLL_FREQ(300, 0, 2, 4, 0, 2, 1, 1, 0, 3, 0, 1, 200, 4, 2),
|
||||
APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 0, 0, 100, 3, 2),
|
||||
};
|
||||
|
||||
static void exynos4x12_set_clkdiv(unsigned int div_index)
|
||||
@ -303,7 +105,7 @@ static void exynos4x12_set_clkdiv(unsigned int div_index)
|
||||
|
||||
/* Change Divider - CPU0 */
|
||||
|
||||
tmp = exynos4x12_clkdiv_table[div_index].clkdiv;
|
||||
tmp = apll_freq_4x12[div_index].clk_div_cpu0;
|
||||
|
||||
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
|
||||
|
||||
@ -311,7 +113,7 @@ static void exynos4x12_set_clkdiv(unsigned int div_index)
|
||||
cpu_relax();
|
||||
|
||||
/* Change Divider - CPU1 */
|
||||
tmp = exynos4x12_clkdiv_table[div_index].clkdiv1;
|
||||
tmp = apll_freq_4x12[div_index].clk_div_cpu1;
|
||||
|
||||
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
|
||||
if (soc_is_exynos4212())
|
||||
@ -338,14 +140,14 @@ static void exynos4x12_set_apll(unsigned int index)
|
||||
} while (tmp != 0x2);
|
||||
|
||||
/* 2. Set APLL Lock time */
|
||||
pdiv = ((exynos4x12_apll_pms_table[index] >> 8) & 0x3f);
|
||||
pdiv = ((apll_freq_4x12[index].mps >> 8) & 0x3f);
|
||||
|
||||
__raw_writel((pdiv * 250), EXYNOS4_APLL_LOCK);
|
||||
|
||||
/* 3. Change PLL PMS values */
|
||||
tmp = __raw_readl(EXYNOS4_APLL_CON0);
|
||||
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
|
||||
tmp |= exynos4x12_apll_pms_table[index];
|
||||
tmp |= apll_freq_4x12[index].mps;
|
||||
__raw_writel(tmp, EXYNOS4_APLL_CON0);
|
||||
|
||||
/* 4. wait_lock_time */
|
||||
@ -366,8 +168,8 @@ static void exynos4x12_set_apll(unsigned int index)
|
||||
|
||||
bool exynos4x12_pms_change(unsigned int old_index, unsigned int new_index)
|
||||
{
|
||||
unsigned int old_pm = exynos4x12_apll_pms_table[old_index] >> 8;
|
||||
unsigned int new_pm = exynos4x12_apll_pms_table[new_index] >> 8;
|
||||
unsigned int old_pm = apll_freq_4x12[old_index].mps >> 8;
|
||||
unsigned int new_pm = apll_freq_4x12[new_index].mps >> 8;
|
||||
|
||||
return (old_pm == new_pm) ? 0 : 1;
|
||||
}
|
||||
@ -384,7 +186,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
|
||||
/* 2. Change just s value in apll m,p,s value */
|
||||
tmp = __raw_readl(EXYNOS4_APLL_CON0);
|
||||
tmp &= ~(0x7 << 0);
|
||||
tmp |= (exynos4x12_apll_pms_table[new_index] & 0x7);
|
||||
tmp |= apll_freq_4x12[new_index].mps & 0x7;
|
||||
__raw_writel(tmp, EXYNOS4_APLL_CON0);
|
||||
|
||||
} else {
|
||||
@ -399,7 +201,7 @@ static void exynos4x12_set_frequency(unsigned int old_index,
|
||||
/* 1. Change just s value in apll m,p,s value */
|
||||
tmp = __raw_readl(EXYNOS4_APLL_CON0);
|
||||
tmp &= ~(0x7 << 0);
|
||||
tmp |= (exynos4x12_apll_pms_table[new_index] & 0x7);
|
||||
tmp |= apll_freq_4x12[new_index].mps & 0x7;
|
||||
__raw_writel(tmp, EXYNOS4_APLL_CON0);
|
||||
/* 2. Change the system clock divider values */
|
||||
exynos4x12_set_clkdiv(new_index);
|
||||
@ -413,25 +215,10 @@ static void exynos4x12_set_frequency(unsigned int old_index,
|
||||
}
|
||||
}
|
||||
|
||||
static void __init set_volt_table(void)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
/* Not supported */
|
||||
exynos4x12_freq_table[L0].frequency = CPUFREQ_ENTRY_INVALID;
|
||||
|
||||
for (i = 0 ; i < CPUFREQ_LEVEL_END ; i++)
|
||||
exynos4x12_volt_table[i] = asv_voltage_4x12[i];
|
||||
}
|
||||
|
||||
int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
|
||||
{
|
||||
int i;
|
||||
unsigned int tmp;
|
||||
unsigned long rate;
|
||||
|
||||
set_volt_table();
|
||||
|
||||
cpu_clk = clk_get(NULL, "armclk");
|
||||
if (IS_ERR(cpu_clk))
|
||||
return PTR_ERR(cpu_clk);
|
||||
@ -450,62 +237,13 @@ int exynos4x12_cpufreq_init(struct exynos_dvfs_info *info)
|
||||
if (IS_ERR(mout_apll))
|
||||
goto err_mout_apll;
|
||||
|
||||
for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
|
||||
|
||||
exynos4x12_clkdiv_table[i].index = i;
|
||||
|
||||
tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);
|
||||
|
||||
tmp &= ~(EXYNOS4_CLKDIV_CPU0_CORE_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_COREM0_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_COREM1_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_PERIPH_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_ATB_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_PCLKDBG_MASK |
|
||||
EXYNOS4_CLKDIV_CPU0_APLL_MASK);
|
||||
|
||||
if (soc_is_exynos4212()) {
|
||||
tmp |= ((clkdiv_cpu0_4212[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
|
||||
(clkdiv_cpu0_4212[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));
|
||||
} else {
|
||||
tmp &= ~EXYNOS4_CLKDIV_CPU0_CORE2_MASK;
|
||||
|
||||
tmp |= ((clkdiv_cpu0_4412[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT) |
|
||||
(clkdiv_cpu0_4412[i][7] << EXYNOS4_CLKDIV_CPU0_CORE2_SHIFT));
|
||||
}
|
||||
|
||||
exynos4x12_clkdiv_table[i].clkdiv = tmp;
|
||||
|
||||
tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);
|
||||
|
||||
if (soc_is_exynos4212()) {
|
||||
tmp &= ~(EXYNOS4_CLKDIV_CPU1_COPY_MASK |
|
||||
EXYNOS4_CLKDIV_CPU1_HPM_MASK);
|
||||
tmp |= ((clkdiv_cpu1_4212[i][0] << EXYNOS4_CLKDIV_CPU1_COPY_SHIFT) |
|
||||
(clkdiv_cpu1_4212[i][1] << EXYNOS4_CLKDIV_CPU1_HPM_SHIFT));
|
||||
} else {
|
||||
tmp &= ~(EXYNOS4_CLKDIV_CPU1_COPY_MASK |
|
||||
EXYNOS4_CLKDIV_CPU1_HPM_MASK |
|
||||
EXYNOS4_CLKDIV_CPU1_CORES_MASK);
|
||||
tmp |= ((clkdiv_cpu1_4412[i][0] << EXYNOS4_CLKDIV_CPU1_COPY_SHIFT) |
|
||||
(clkdiv_cpu1_4412[i][1] << EXYNOS4_CLKDIV_CPU1_HPM_SHIFT) |
|
||||
(clkdiv_cpu1_4412[i][2] << EXYNOS4_CLKDIV_CPU1_CORES_SHIFT));
|
||||
}
|
||||
exynos4x12_clkdiv_table[i].clkdiv1 = tmp;
|
||||
}
|
||||
if (soc_is_exynos4212())
|
||||
apll_freq_4x12 = apll_freq_4212;
|
||||
else
|
||||
apll_freq_4x12 = apll_freq_4412;
|
||||
|
||||
info->mpll_freq_khz = rate;
|
||||
/* 800Mhz */
|
||||
info->pll_safe_idx = L7;
|
||||
info->cpu_clk = cpu_clk;
|
||||
info->volt_table = exynos4x12_volt_table;
|
||||
|
||||
@ -21,21 +21,18 @@
|
||||
#include <mach/regs-clock.h>
|
||||
#include <mach/cpufreq.h>
|
||||
|
||||
#define CPUFREQ_LEVEL_END (L15 + 1)
|
||||
|
||||
static struct clk *cpu_clk;
|
||||
static struct clk *moutcore;
|
||||
static struct clk *mout_mpll;
|
||||
static struct clk *mout_apll;
|
||||
|
||||
struct cpufreq_clkdiv {
|
||||
unsigned int index;
|
||||
unsigned int clkdiv;
|
||||
unsigned int clkdiv1;
|
||||
static unsigned int exynos5250_volt_table[] = {
|
||||
1300000, 1250000, 1225000, 1200000, 1150000,
|
||||
1125000, 1100000, 1075000, 1050000, 1025000,
|
||||
1012500, 1000000, 975000, 950000, 937500,
|
||||
925000
|
||||
};
|
||||
|
||||
static unsigned int exynos5250_volt_table[CPUFREQ_LEVEL_END];
|
||||
|
||||
static struct cpufreq_frequency_table exynos5250_freq_table[] = {
|
||||
{L0, 1700 * 1000},
|
||||
{L1, 1600 * 1000},
|
||||
@ -45,8 +42,8 @@ static struct cpufreq_frequency_table exynos5250_freq_table[] = {
|
||||
{L5, 1200 * 1000},
|
||||
{L6, 1100 * 1000},
|
||||
{L7, 1000 * 1000},
|
||||
{L8, 900 * 1000},
|
||||
{L9, 800 * 1000},
|
||||
{L8, 900 * 1000},
|
||||
{L9, 800 * 1000},
|
||||
{L10, 700 * 1000},
|
||||
{L11, 600 * 1000},
|
||||
{L12, 500 * 1000},
|
||||
@ -56,78 +53,30 @@ static struct cpufreq_frequency_table exynos5250_freq_table[] = {
|
||||
{0, CPUFREQ_TABLE_END},
|
||||
};
|
||||
|
||||
static struct cpufreq_clkdiv exynos5250_clkdiv_table[CPUFREQ_LEVEL_END];
|
||||
|
||||
static unsigned int clkdiv_cpu0_5250[CPUFREQ_LEVEL_END][8] = {
|
||||
static struct apll_freq apll_freq_5250[] = {
|
||||
/*
|
||||
* Clock divider value for following
|
||||
* { ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG, APLL, ARM2 }
|
||||
* values:
|
||||
* freq
|
||||
* clock divider for ARM, CPUD, ACP, PERIPH, ATB, PCLK_DBG, APLL, ARM2
|
||||
* clock divider for COPY, HPM, RESERVED
|
||||
* PLL M, P, S
|
||||
*/
|
||||
{ 0, 3, 7, 7, 7, 3, 5, 0 }, /* 1700 MHz */
|
||||
{ 0, 3, 7, 7, 7, 1, 4, 0 }, /* 1600 MHz */
|
||||
{ 0, 2, 7, 7, 7, 1, 4, 0 }, /* 1500 MHz */
|
||||
{ 0, 2, 7, 7, 6, 1, 4, 0 }, /* 1400 MHz */
|
||||
{ 0, 2, 7, 7, 6, 1, 3, 0 }, /* 1300 MHz */
|
||||
{ 0, 2, 7, 7, 5, 1, 3, 0 }, /* 1200 MHz */
|
||||
{ 0, 3, 7, 7, 5, 1, 3, 0 }, /* 1100 MHz */
|
||||
{ 0, 1, 7, 7, 4, 1, 2, 0 }, /* 1000 MHz */
|
||||
{ 0, 1, 7, 7, 4, 1, 2, 0 }, /* 900 MHz */
|
||||
{ 0, 1, 7, 7, 4, 1, 2, 0 }, /* 800 MHz */
|
||||
{ 0, 1, 7, 7, 3, 1, 1, 0 }, /* 700 MHz */
|
||||
{ 0, 1, 7, 7, 3, 1, 1, 0 }, /* 600 MHz */
|
||||
{ 0, 1, 7, 7, 2, 1, 1, 0 }, /* 500 MHz */
|
||||
{ 0, 1, 7, 7, 2, 1, 1, 0 }, /* 400 MHz */
|
||||
{ 0, 1, 7, 7, 1, 1, 1, 0 }, /* 300 MHz */
|
||||
{ 0, 1, 7, 7, 1, 1, 1, 0 }, /* 200 MHz */
|
||||
};
|
||||
|
||||
static unsigned int clkdiv_cpu1_5250[CPUFREQ_LEVEL_END][2] = {
|
||||
/* Clock divider value for following
|
||||
* { COPY, HPM }
|
||||
*/
|
||||
{ 0, 2 }, /* 1700 MHz */
|
||||
{ 0, 2 }, /* 1600 MHz */
|
||||
{ 0, 2 }, /* 1500 MHz */
|
||||
{ 0, 2 }, /* 1400 MHz */
|
||||
{ 0, 2 }, /* 1300 MHz */
|
||||
{ 0, 2 }, /* 1200 MHz */
|
||||
{ 0, 2 }, /* 1100 MHz */
|
||||
{ 0, 2 }, /* 1000 MHz */
|
||||
{ 0, 2 }, /* 900 MHz */
|
||||
{ 0, 2 }, /* 800 MHz */
|
||||
{ 0, 2 }, /* 700 MHz */
|
||||
{ 0, 2 }, /* 600 MHz */
|
||||
{ 0, 2 }, /* 500 MHz */
|
||||
{ 0, 2 }, /* 400 MHz */
|
||||
{ 0, 2 }, /* 300 MHz */
|
||||
{ 0, 2 }, /* 200 MHz */
|
||||
};
|
||||
|
||||
static unsigned int exynos5_apll_pms_table[CPUFREQ_LEVEL_END] = {
|
||||
((425 << 16) | (6 << 8) | 0), /* 1700 MHz */
|
||||
((200 << 16) | (3 << 8) | 0), /* 1600 MHz */
|
||||
((250 << 16) | (4 << 8) | 0), /* 1500 MHz */
|
||||
((175 << 16) | (3 << 8) | 0), /* 1400 MHz */
|
||||
((325 << 16) | (6 << 8) | 0), /* 1300 MHz */
|
||||
((200 << 16) | (4 << 8) | 0), /* 1200 MHz */
|
||||
((275 << 16) | (6 << 8) | 0), /* 1100 MHz */
|
||||
((125 << 16) | (3 << 8) | 0), /* 1000 MHz */
|
||||
((150 << 16) | (4 << 8) | 0), /* 900 MHz */
|
||||
((100 << 16) | (3 << 8) | 0), /* 800 MHz */
|
||||
((175 << 16) | (3 << 8) | 1), /* 700 MHz */
|
||||
((200 << 16) | (4 << 8) | 1), /* 600 MHz */
|
||||
((125 << 16) | (3 << 8) | 1), /* 500 MHz */
|
||||
((100 << 16) | (3 << 8) | 1), /* 400 MHz */
|
||||
((200 << 16) | (4 << 8) | 2), /* 300 MHz */
|
||||
((100 << 16) | (3 << 8) | 2), /* 200 MHz */
|
||||
};
|
||||
|
||||
/* ASV group voltage table */
|
||||
static const unsigned int asv_voltage_5250[CPUFREQ_LEVEL_END] = {
|
||||
1300000, 1250000, 1225000, 1200000, 1150000,
|
||||
1125000, 1100000, 1075000, 1050000, 1025000,
|
||||
1012500, 1000000, 975000, 950000, 937500,
|
||||
925000
|
||||
APLL_FREQ(1700, 0, 3, 7, 7, 7, 3, 5, 0, 0, 2, 0, 425, 6, 0),
|
||||
APLL_FREQ(1600, 0, 3, 7, 7, 7, 1, 4, 0, 0, 2, 0, 200, 3, 0),
|
||||
APLL_FREQ(1500, 0, 2, 7, 7, 7, 1, 4, 0, 0, 2, 0, 250, 4, 0),
|
||||
APLL_FREQ(1400, 0, 2, 7, 7, 6, 1, 4, 0, 0, 2, 0, 175, 3, 0),
|
||||
APLL_FREQ(1300, 0, 2, 7, 7, 6, 1, 3, 0, 0, 2, 0, 325, 6, 0),
|
||||
APLL_FREQ(1200, 0, 2, 7, 7, 5, 1, 3, 0, 0, 2, 0, 200, 4, 0),
|
||||
APLL_FREQ(1100, 0, 3, 7, 7, 5, 1, 3, 0, 0, 2, 0, 275, 6, 0),
|
||||
APLL_FREQ(1000, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 125, 3, 0),
|
||||
APLL_FREQ(900, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 150, 4, 0),
|
||||
APLL_FREQ(800, 0, 1, 7, 7, 4, 1, 2, 0, 0, 2, 0, 100, 3, 0),
|
||||
APLL_FREQ(700, 0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 175, 3, 1),
|
||||
APLL_FREQ(600, 0, 1, 7, 7, 3, 1, 1, 0, 0, 2, 0, 200, 4, 1),
|
||||
APLL_FREQ(500, 0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 125, 3, 1),
|
||||
APLL_FREQ(400, 0, 1, 7, 7, 2, 1, 1, 0, 0, 2, 0, 100, 3, 1),
|
||||
APLL_FREQ(300, 0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 200, 4, 2),
|
||||
APLL_FREQ(200, 0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 100, 3, 2),
|
||||
};
|
||||
|
||||
static void set_clkdiv(unsigned int div_index)
|
||||
@ -136,7 +85,7 @@ static void set_clkdiv(unsigned int div_index)
|
||||
|
||||
/* Change Divider - CPU0 */
|
||||
|
||||
tmp = exynos5250_clkdiv_table[div_index].clkdiv;
|
||||
tmp = apll_freq_5250[div_index].clk_div_cpu0;
|
||||
|
||||
__raw_writel(tmp, EXYNOS5_CLKDIV_CPU0);
|
||||
|
||||
@ -144,7 +93,7 @@ static void set_clkdiv(unsigned int div_index)
|
||||
cpu_relax();
|
||||
|
||||
/* Change Divider - CPU1 */
|
||||
tmp = exynos5250_clkdiv_table[div_index].clkdiv1;
|
||||
tmp = apll_freq_5250[div_index].clk_div_cpu1;
|
||||
|
||||
__raw_writel(tmp, EXYNOS5_CLKDIV_CPU1);
|
||||
|
||||
@ -167,14 +116,14 @@ static void set_apll(unsigned int new_index,
|
||||
} while (tmp != 0x2);
|
||||
|
||||
/* 2. Set APLL Lock time */
|
||||
pdiv = ((exynos5_apll_pms_table[new_index] >> 8) & 0x3f);
|
||||
pdiv = ((apll_freq_5250[new_index].mps >> 8) & 0x3f);
|
||||
|
||||
__raw_writel((pdiv * 250), EXYNOS5_APLL_LOCK);
|
||||
|
||||
/* 3. Change PLL PMS values */
|
||||
tmp = __raw_readl(EXYNOS5_APLL_CON0);
|
||||
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
|
||||
tmp |= exynos5_apll_pms_table[new_index];
|
||||
tmp |= apll_freq_5250[new_index].mps;
|
||||
__raw_writel(tmp, EXYNOS5_APLL_CON0);
|
||||
|
||||
/* 4. wait_lock_time */
|
||||
@ -196,8 +145,8 @@ static void set_apll(unsigned int new_index,
|
||||
|
||||
bool exynos5250_pms_change(unsigned int old_index, unsigned int new_index)
|
||||
{
|
||||
unsigned int old_pm = (exynos5_apll_pms_table[old_index] >> 8);
|
||||
unsigned int new_pm = (exynos5_apll_pms_table[new_index] >> 8);
|
||||
unsigned int old_pm = apll_freq_5250[old_index].mps >> 8;
|
||||
unsigned int new_pm = apll_freq_5250[new_index].mps >> 8;
|
||||
|
||||
return (old_pm == new_pm) ? 0 : 1;
|
||||
}
|
||||
@ -214,7 +163,7 @@ static void exynos5250_set_frequency(unsigned int old_index,
|
||||
/* 2. Change just s value in apll m,p,s value */
|
||||
tmp = __raw_readl(EXYNOS5_APLL_CON0);
|
||||
tmp &= ~(0x7 << 0);
|
||||
tmp |= (exynos5_apll_pms_table[new_index] & 0x7);
|
||||
tmp |= apll_freq_5250[new_index].mps & 0x7;
|
||||
__raw_writel(tmp, EXYNOS5_APLL_CON0);
|
||||
|
||||
} else {
|
||||
@ -229,7 +178,7 @@ static void exynos5250_set_frequency(unsigned int old_index,
|
||||
/* 1. Change just s value in apll m,p,s value */
|
||||
tmp = __raw_readl(EXYNOS5_APLL_CON0);
|
||||
tmp &= ~(0x7 << 0);
|
||||
tmp |= (exynos5_apll_pms_table[new_index] & 0x7);
|
||||
tmp |= apll_freq_5250[new_index].mps & 0x7;
|
||||
__raw_writel(tmp, EXYNOS5_APLL_CON0);
|
||||
/* 2. Change the system clock divider values */
|
||||
set_clkdiv(new_index);
|
||||
@ -243,22 +192,10 @@ static void exynos5250_set_frequency(unsigned int old_index,
|
||||
}
|
||||
}
|
||||
|
||||
static void __init set_volt_table(void)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0 ; i < CPUFREQ_LEVEL_END ; i++)
|
||||
exynos5250_volt_table[i] = asv_voltage_5250[i];
|
||||
}
|
||||
|
||||
int exynos5250_cpufreq_init(struct exynos_dvfs_info *info)
|
||||
{
|
||||
int i;
|
||||
unsigned int tmp;
|
||||
unsigned long rate;
|
||||
|
||||
set_volt_table();
|
||||
|
||||
cpu_clk = clk_get(NULL, "armclk");
|
||||
if (IS_ERR(cpu_clk))
|
||||
return PTR_ERR(cpu_clk);
|
||||
@ -277,37 +214,6 @@ int exynos5250_cpufreq_init(struct exynos_dvfs_info *info)
|
||||
if (IS_ERR(mout_apll))
|
||||
goto err_mout_apll;
|
||||
|
||||
for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
|
||||
|
||||
exynos5250_clkdiv_table[i].index = i;
|
||||
|
||||
tmp = __raw_readl(EXYNOS5_CLKDIV_CPU0);
|
||||
|
||||
tmp &= ~((0x7 << 0) | (0x7 << 4) | (0x7 << 8) |
|
||||
(0x7 << 12) | (0x7 << 16) | (0x7 << 20) |
|
||||
(0x7 << 24) | (0x7 << 28));
|
||||
|
||||
tmp |= ((clkdiv_cpu0_5250[i][0] << 0) |
|
||||
(clkdiv_cpu0_5250[i][1] << 4) |
|
||||
(clkdiv_cpu0_5250[i][2] << 8) |
|
||||
(clkdiv_cpu0_5250[i][3] << 12) |
|
||||
(clkdiv_cpu0_5250[i][4] << 16) |
|
||||
(clkdiv_cpu0_5250[i][5] << 20) |
|
||||
(clkdiv_cpu0_5250[i][6] << 24) |
|
||||
(clkdiv_cpu0_5250[i][7] << 28));
|
||||
|
||||
exynos5250_clkdiv_table[i].clkdiv = tmp;
|
||||
|
||||
tmp = __raw_readl(EXYNOS5_CLKDIV_CPU1);
|
||||
|
||||
tmp &= ~((0x7 << 0) | (0x7 << 4));
|
||||
|
||||
tmp |= ((clkdiv_cpu1_5250[i][0] << 0) |
|
||||
(clkdiv_cpu1_5250[i][1] << 4));
|
||||
|
||||
exynos5250_clkdiv_table[i].clkdiv1 = tmp;
|
||||
}
|
||||
|
||||
info->mpll_freq_khz = rate;
|
||||
/* 800Mhz */
|
||||
info->pll_safe_idx = L9;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user