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-rw-r--r--arch/arm/mach-exynos/include/mach/cpufreq.h16
-rw-r--r--drivers/cpufreq/exynos4210-cpufreq.c135
-rw-r--r--drivers/cpufreq/exynos4x12-cpufreq.c378
-rw-r--r--drivers/cpufreq/exynos5250-cpufreq.c168
4 files changed, 136 insertions, 561 deletions
diff --git a/arch/arm/mach-exynos/include/mach/cpufreq.h b/arch/arm/mach-exynos/include/mach/cpufreq.h
index 39f0dc62122..b5d39dd03b2 100644
--- a/arch/arm/mach-exynos/include/mach/cpufreq.h
+++ b/arch/arm/mach-exynos/include/mach/cpufreq.h
@@ -18,6 +18,22 @@ enum cpufreq_level_index {
L20,
};
+#define APLL_FREQ(f, a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, m, p, s) \
+ { \
+ .freq = (f) * 1000, \
+ .clk_div_cpu0 = ((a0) | (a1) << 4 | (a2) << 8 | (a3) << 12 | \
+ (a4) << 16 | (a5) << 20 | (a6) << 24 | (a7) << 28), \
+ .clk_div_cpu1 = (b0 << 0 | b1 << 4 | b2 << 8), \
+ .mps = ((m) << 16 | (p) << 8 | (s)), \
+ }
+
+struct apll_freq {
+ unsigned int freq;
+ u32 clk_div_cpu0;
+ u32 clk_div_cpu1;
+ u32 mps;
+};
+
struct exynos_dvfs_info {
unsigned long mpll_freq_khz;
unsigned int pll_safe_idx;
diff --git a/drivers/cpufreq/exynos4210-cpufreq.c b/drivers/cpufreq/exynos4210-cpufreq.c
index 5ae5c529fca..250dcf0c0b2 100644
--- a/drivers/cpufreq/exynos4210-cpufreq.c
+++ b/drivers/cpufreq/exynos4210-cpufreq.c
@@ -20,94 +20,37 @@
#include <mach/regs-clock.h>
#include <mach/cpufreq.h>
-#define CPUFREQ_LEVEL_END L5
-
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;
-};
-
-static unsigned int exynos4210_volt_table[CPUFREQ_LEVEL_END] = {
+static unsigned int exynos4210_volt_table[] = {
1250000, 1150000, 1050000, 975000, 950000,
};
-
-static struct cpufreq_clkdiv exynos4210_clkdiv_table[CPUFREQ_LEVEL_END];
-
static struct cpufreq_frequency_table exynos4210_freq_table[] = {
- {L0, 1200*1000},
- {L1, 1000*1000},
- {L2, 800*1000},
- {L3, 500*1000},
- {L4, 200*1000},
+ {L0, 1200 * 1000},
+ {L1, 1000 * 1000},
+ {L2, 800 * 1000},
+ {L3, 500 * 1000},
+ {L4, 200 * 1000},
{0, CPUFREQ_TABLE_END},
};
-static unsigned int clkdiv_cpu0[CPUFREQ_LEVEL_END][7] = {
+static struct apll_freq apll_freq_4210[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, RESERVED
+ * clock divider for COPY, HPM, RESERVED
+ * PLL M, P, S
*/
-
- /* ARM L0: 1200MHz */
- { 0, 3, 7, 3, 4, 1, 7 },
-
- /* ARM L1: 1000MHz */
- { 0, 3, 7, 3, 4, 1, 7 },
-
- /* ARM L2: 800MHz */
- { 0, 3, 7, 3, 3, 1, 7 },
-
- /* ARM L3: 500MHz */
- { 0, 3, 7, 3, 3, 1, 7 },
-
- /* ARM L4: 200MHz */
- { 0, 1, 3, 1, 3, 1, 0 },
-};
-
-static unsigned int clkdiv_cpu1[CPUFREQ_LEVEL_END][2] = {
- /*
- * Clock divider value for following
- * { DIVCOPY, DIVHPM }
- */
-
- /* ARM L0: 1200MHz */
- { 5, 0 },
-
- /* ARM L1: 1000MHz */
- { 4, 0 },
-
- /* ARM L2: 800MHz */
- { 3, 0 },
-
- /* ARM L3: 500MHz */
- { 3, 0 },
-
- /* ARM L4: 200MHz */
- { 3, 0 },
-};
-
-static unsigned int exynos4210_apll_pms_table[CPUFREQ_LEVEL_END] = {
- /* APLL FOUT L0: 1200MHz */
- ((150 << 16) | (3 << 8) | 1),
-
- /* APLL FOUT L1: 1000MHz */
- ((250 << 16) | (6 << 8) | 1),
-
- /* APLL FOUT L2: 800MHz */
- ((200 << 16) | (6 << 8) | 1),
-
- /* APLL FOUT L3: 500MHz */
- ((250 << 16) | (6 << 8) | 2),
-
- /* APLL FOUT L4: 200MHz */
- ((200 << 16) | (6 << 8) | 3),
+ APLL_FREQ(1200, 0, 3, 7, 3, 4, 1, 7, 0, 5, 0, 0, 150, 3, 1),
+ APLL_FREQ(1000, 0, 3, 7, 3, 4, 1, 7, 0, 4, 0, 0, 250, 6, 1),
+ APLL_FREQ(800, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 200, 6, 1),
+ APLL_FREQ(500, 0, 3, 7, 3, 3, 1, 7, 0, 3, 0, 0, 250, 6, 2),
+ APLL_FREQ(200, 0, 1, 3, 1, 3, 1, 0, 0, 3, 0, 0, 200, 6, 3),
};
static void exynos4210_set_clkdiv(unsigned int div_index)
@@ -116,7 +59,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
/* Change Divider - CPU0 */
- tmp = exynos4210_clkdiv_table[div_index].clkdiv;
+ tmp = apll_freq_4210[div_index].clk_div_cpu0;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU);
@@ -126,12 +69,7 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
/* Change Divider - CPU1 */
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU1);
-
- tmp &= ~((0x7 << 4) | 0x7);
-
- tmp |= ((clkdiv_cpu1[div_index][0] << 4) |
- (clkdiv_cpu1[div_index][1] << 0));
+ tmp = apll_freq_4210[div_index].clk_div_cpu1;
__raw_writel(tmp, EXYNOS4_CLKDIV_CPU1);
@@ -159,7 +97,7 @@ static void exynos4210_set_apll(unsigned int index)
/* 3. Change PLL PMS values */
tmp = __raw_readl(EXYNOS4_APLL_CON0);
tmp &= ~((0x3ff << 16) | (0x3f << 8) | (0x7 << 0));
- tmp |= exynos4210_apll_pms_table[index];
+ tmp |= apll_freq_4210[index].mps;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 4. wait_lock_time */
@@ -178,8 +116,8 @@ static void exynos4210_set_apll(unsigned int index)
bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index)
{
- unsigned int old_pm = (exynos4210_apll_pms_table[old_index] >> 8);
- unsigned int new_pm = (exynos4210_apll_pms_table[new_index] >> 8);
+ unsigned int old_pm = apll_freq_4210[old_index].mps >> 8;
+ unsigned int new_pm = apll_freq_4210[new_index].mps >> 8;
return (old_pm == new_pm) ? 0 : 1;
}
@@ -197,7 +135,7 @@ static void exynos4210_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 |= (exynos4210_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4210[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
} else {
/* Clock Configuration Procedure */
@@ -211,7 +149,7 @@ static void exynos4210_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 |= (exynos4210_apll_pms_table[new_index] & 0x7);
+ tmp |= apll_freq_4210[new_index].mps & 0x7;
__raw_writel(tmp, EXYNOS4_APLL_CON0);
/* 2. Change the system clock divider values */
@@ -228,8 +166,6 @@ static void exynos4210_set_frequency(unsigned int old_index,
int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
{
- int i;
- unsigned int tmp;
unsigned long rate;
cpu_clk = clk_get(NULL, "armclk");
@@ -250,29 +186,8 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info)
if (IS_ERR(mout_apll))
goto err_mout_apll;
- tmp = __raw_readl(EXYNOS4_CLKDIV_CPU);
-
- for (i = L0; i < CPUFREQ_LEVEL_END; i++) {
- 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);
-
- tmp |= ((clkdiv_cpu0[i][0] << EXYNOS4_CLKDIV_CPU0_CORE_SHIFT) |
- (clkdiv_cpu0[i][1] << EXYNOS4_CLKDIV_CPU0_COREM0_SHIFT) |
- (clkdiv_cpu0[i][2] << EXYNOS4_CLKDIV_CPU0_COREM1_SHIFT) |
- (clkdiv_cpu0[i][3] << EXYNOS4_CLKDIV_CPU0_PERIPH_SHIFT) |
- (clkdiv_cpu0[i][4] << EXYNOS4_CLKDIV_CPU0_ATB_SHIFT) |
- (clkdiv_cpu0[i][5] << EXYNOS4_CLKDIV_CPU0_PCLKDBG_SHIFT) |
- (clkdiv_cpu0[i][6] << EXYNOS4_CLKDIV_CPU0_APLL_SHIFT));
-
- exynos4210_clkdiv_table[i].clkdiv = tmp;
- }
-
info->mpll_freq_khz = rate;
+ /* 800Mhz */
info->pll_safe_idx = L2;
info->cpu_clk = cpu_clk;
info->volt_table = exynos4210_volt_table;
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c b/drivers/cpufreq/exynos4x12-cpufreq.c
index 29b41ab072f..224445d3fd4 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -20,23 +20,18 @@
#include <mach/regs-clock.h>
#include <mach/cpufreq.h>
-#define CPUFREQ_LEVEL_END (L13 + 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 exynos4x12_volt_table[] = {
+ 1350000, 1287500, 1250000, 1187500, 1137500, 1087500, 1037500,
+ 1000000, 987500, 975000, 950000, 925000, 900000, 900000
};
-static unsigned int exynos4x12_volt_table[CPUFREQ_LEVEL_END];
-
static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
- {L0, 1500 * 1000},
+ {L0, CPUFREQ_ENTRY_INVALID},
{L1, 1400 * 1000},
{L2, 1300 * 1000},
{L3, 1200 * 1000},
@@ -53,247 +48,54 @@ static struct cpufreq_frequency_table exynos4x12_freq_table[] = {
{0, CPUFREQ_TABLE_END},
};
-static struct cpufreq_clkdiv exynos4x12_clkdiv_table[CPUFREQ_LEVEL_END];
+static struct apll_freq *apll_freq_4x12;
-static unsigned int clkdiv_cpu0_4212[CPUFREQ_LEVEL_END][8] = {
+static struct apll_freq apll_freq_4212[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
+ * clock divider for COPY, HPM, RESERVED
+ * PLL M, P, S
*/
- /* ARM L0: 1500 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L1: 1400 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L2: 1300 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L3: 1200 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L4: 1100 MHz */
- { 0, 3, 6, 0, 4, 1, 2, 0 },
-
- /* ARM L5: 1000 MHz */
- { 0, 2, 5, 0, 4, 1, 1, 0 },
-
- /* ARM L6: 900 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L7: 800 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L8: 700 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L9: 600 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L10: 500 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L11: 400 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L12: 300 MHz */
- { 0, 2, 4, 0, 2, 1, 1, 0 },
-
- /* ARM L13: 200 MHz */
- { 0, 1, 3, 0, 1, 1, 1, 0 },
+ APLL_FREQ(1500, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 250, 4, 0),
+ APLL_FREQ(1400, 0, 3, 7, 0, 6, 1, 2, 0, 6, 2, 0, 175, 3, 0),
+ APLL_FREQ(1300, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 325, 6, 0),
+ APLL_FREQ(1200, 0, 3, 7, 0, 5, 1, 2, 0, 5, 2, 0, 200, 4, 0),
+ APLL_FREQ(1100, 0, 3, 6, 0, 4, 1, 2, 0, 4, 2, 0, 275, 6, 0),
+ APLL_FREQ(1000, 0, 2, 5, 0, 4, 1, 1, 0, 4, 2, 0, 125, 3, 0),
+ APLL_FREQ(900, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 150, 4, 0),
+ APLL_FREQ(800, 0, 2, 5, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 0),
+ APLL_FREQ(700, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 175, 3, 1),
+ APLL_FREQ(600, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 200, 4, 1),
+ APLL_FREQ(500, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 125, 3, 1),
+ APLL_FREQ(400, 0, 2, 4, 0, 3, 1, 1, 0, 3, 2, 0, 100, 3, 1),
+ APLL_FREQ(300, 0, 2, 4, 0, 2, 1, 1, 0, 3, 2, 0, 200, 4, 2),
+ APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 2, 0, 100, 3, 2),
};
-static unsigned int clkdiv_cpu0_4412[CPUFREQ_LEVEL_END][8] = {
+static struct apll_freq apll_freq_4412[] = {
/*
- * Clock divider value for following
- * { DIVCORE, DIVCOREM0, DIVCOREM1, DIVPERIPH,
- * DIVATB, DIVPCLK_DBG, DIVAPLL, DIVCORE2 }
+ * values:
+ * freq
+ * clock divider for CORE, COREM0, COREM1, PERIPH, ATB, PCLK_DBG, APLL, CORE2
+ * clock divider for COPY, HPM, CORES
+ * PLL M, P, S
*/
- /* ARM L0: 1500 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L1: 1400 MHz */
- { 0, 3, 7, 0, 6, 1, 2, 0 },
-
- /* ARM L2: 1300 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L3: 1200 MHz */
- { 0, 3, 7, 0, 5, 1, 2, 0 },
-
- /* ARM L4: 1100 MHz */
- { 0, 3, 6, 0, 4, 1, 2, 0 },
-
- /* ARM L5: 1000 MHz */
- { 0, 2, 5, 0, 4, 1, 1, 0 },
-
- /* ARM L6: 900 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L7: 800 MHz */
- { 0, 2, 5, 0, 3, 1, 1, 0 },
-
- /* ARM L8: 700 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L9: 600 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L10: 500 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L11: 400 MHz */
- { 0, 2, 4, 0, 3, 1, 1, 0 },
-
- /* ARM L12: 300 MHz */
- { 0, 2, 4, 0, 2, 1, 1, 0 },
-
- /* ARM L13: 200 MHz */
- { 0, 1, 3, 0, 1, 1, 1, 0 },
-};
-
-static unsigned int clkdiv_cpu1_4212[CPUFREQ_LEVEL_END][2] = {
- /* Clock divider value for following
- * { DIVCOPY, DIVHPM }
- */
- /* ARM L0: 1500 MHz */
- { 6, 0 },
-
- /* 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;
diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c
index 8a5d7338b79..736a5cfdfd1 100644
--- a/drivers/cpufreq/exynos5250-cpufreq.c
+++ b/drivers/cpufreq/exynos5250-cpufreq.c
@@ -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 }
- */
- { 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 }
+ * 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, 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;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 16:03:36 +0000