diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/cpufreq.c | 1 | ||||
| -rw-r--r-- | drivers/cpufreq/exynos-cpufreq.c | 174 | ||||
| -rw-r--r-- | drivers/cpufreq/exynos4210-cpufreq.c | 152 | ||||
| -rw-r--r-- | drivers/cpufreq/exynos4x12-cpufreq.c | 388 | ||||
| -rw-r--r-- | drivers/cpufreq/exynos5250-cpufreq.c | 178 |
5 files changed, 232 insertions, 661 deletions
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 94117a7f219b..b02824d092e7 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -295,7 +295,6 @@ void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state) adjust_jiffies(CPUFREQ_POSTCHANGE, freqs); pr_debug("FREQ: %lu - CPU: %lu", (unsigned long)freqs->new, (unsigned long)freqs->cpu); - trace_power_frequency(POWER_PSTATE, freqs->new, freqs->cpu); trace_cpu_frequency(freqs->new, freqs->cpu); srcu_notifier_call_chain(&cpufreq_transition_notifier_list, CPUFREQ_POSTCHANGE, freqs); diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c index 81eb84a24fa7..69b676dd3358 100644 --- a/drivers/cpufreq/exynos-cpufreq.c +++ b/drivers/cpufreq/exynos-cpufreq.c @@ -42,51 +42,56 @@ static unsigned int exynos_getspeed(unsigned int cpu) return clk_get_rate(exynos_info->cpu_clk) / 1000; } -static int exynos_target(struct cpufreq_policy *policy, - unsigned int target_freq, - unsigned int relation) +static int exynos_cpufreq_get_index(unsigned int freq) +{ + struct cpufreq_frequency_table *freq_table = exynos_info->freq_table; + int index; + + for (index = 0; + freq_table[index].frequency != CPUFREQ_TABLE_END; index++) + if (freq_table[index].frequency == freq) + break; + + if (freq_table[index].frequency == CPUFREQ_TABLE_END) + return -EINVAL; + + return index; +} + +static int exynos_cpufreq_scale(unsigned int target_freq) { - unsigned int index, old_index; - unsigned int arm_volt, safe_arm_volt = 0; - int ret = 0; struct cpufreq_frequency_table *freq_table = exynos_info->freq_table; unsigned int *volt_table = exynos_info->volt_table; + struct cpufreq_policy *policy = cpufreq_cpu_get(0); + unsigned int arm_volt, safe_arm_volt = 0; unsigned int mpll_freq_khz = exynos_info->mpll_freq_khz; - - mutex_lock(&cpufreq_lock); + int index, old_index; + int ret = 0; freqs.old = policy->cur; + freqs.new = target_freq; + freqs.cpu = policy->cpu; - if (frequency_locked && target_freq != locking_frequency) { - ret = -EAGAIN; + if (freqs.new == freqs.old) goto out; - } /* * The policy max have been changed so that we cannot get proper * old_index with cpufreq_frequency_table_target(). Thus, ignore * policy and get the index from the raw freqeuncy table. */ - for (old_index = 0; - freq_table[old_index].frequency != CPUFREQ_TABLE_END; - old_index++) - if (freq_table[old_index].frequency == freqs.old) - break; - - if (freq_table[old_index].frequency == CPUFREQ_TABLE_END) { - ret = -EINVAL; + old_index = exynos_cpufreq_get_index(freqs.old); + if (old_index < 0) { + ret = old_index; goto out; } - if (cpufreq_frequency_table_target(policy, freq_table, - target_freq, relation, &index)) { - ret = -EINVAL; + index = exynos_cpufreq_get_index(target_freq); + if (index < 0) { + ret = index; goto out; } - freqs.new = freq_table[index].frequency; - freqs.cpu = policy->cpu; - /* * ARM clock source will be changed APLL to MPLL temporary * To support this level, need to control regulator for @@ -106,15 +111,25 @@ static int exynos_target(struct cpufreq_policy *policy, /* When the new frequency is higher than current frequency */ if ((freqs.new > freqs.old) && !safe_arm_volt) { /* Firstly, voltage up to increase frequency */ - regulator_set_voltage(arm_regulator, arm_volt, - arm_volt); + ret = regulator_set_voltage(arm_regulator, arm_volt, arm_volt); + if (ret) { + pr_err("%s: failed to set cpu voltage to %d\n", + __func__, arm_volt); + goto out; + } } - if (safe_arm_volt) - regulator_set_voltage(arm_regulator, safe_arm_volt, + if (safe_arm_volt) { + ret = regulator_set_voltage(arm_regulator, safe_arm_volt, safe_arm_volt); - if (freqs.new != freqs.old) - exynos_info->set_freq(old_index, index); + if (ret) { + pr_err("%s: failed to set cpu voltage to %d\n", + __func__, safe_arm_volt); + goto out; + } + } + + exynos_info->set_freq(old_index, index); for_each_cpu(freqs.cpu, policy->cpus) cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); @@ -125,9 +140,45 @@ static int exynos_target(struct cpufreq_policy *policy, /* down the voltage after frequency change */ regulator_set_voltage(arm_regulator, arm_volt, arm_volt); + if (ret) { + pr_err("%s: failed to set cpu voltage to %d\n", + __func__, arm_volt); + goto out; + } } out: + + cpufreq_cpu_put(policy); + + return ret; +} + +static int exynos_target(struct cpufreq_policy *policy, + unsigned int target_freq, + unsigned int relation) +{ + struct cpufreq_frequency_table *freq_table = exynos_info->freq_table; + unsigned int index; + unsigned int new_freq; + int ret = 0; + + mutex_lock(&cpufreq_lock); + + if (frequency_locked) + goto out; + + if (cpufreq_frequency_table_target(policy, freq_table, + target_freq, relation, &index)) { + ret = -EINVAL; + goto out; + } + + new_freq = freq_table[index].frequency; + + ret = exynos_cpufreq_scale(new_freq); + +out: mutex_unlock(&cpufreq_lock); return ret; @@ -163,51 +214,26 @@ static int exynos_cpufreq_resume(struct cpufreq_policy *policy) static int exynos_cpufreq_pm_notifier(struct notifier_block *notifier, unsigned long pm_event, void *v) { - struct cpufreq_policy *policy = cpufreq_cpu_get(0); /* boot CPU */ - static unsigned int saved_frequency; - unsigned int temp; + int ret; - mutex_lock(&cpufreq_lock); switch (pm_event) { case PM_SUSPEND_PREPARE: - if (frequency_locked) - goto out; - + mutex_lock(&cpufreq_lock); frequency_locked = true; + mutex_unlock(&cpufreq_lock); - if (locking_frequency) { - saved_frequency = exynos_getspeed(0); + ret = exynos_cpufreq_scale(locking_frequency); + if (ret < 0) + return NOTIFY_BAD; - mutex_unlock(&cpufreq_lock); - exynos_target(policy, locking_frequency, - CPUFREQ_RELATION_H); - mutex_lock(&cpufreq_lock); - } break; case PM_POST_SUSPEND: - if (saved_frequency) { - /* - * While frequency_locked, only locking_frequency - * is valid for target(). In order to use - * saved_frequency while keeping frequency_locked, - * we temporarly overwrite locking_frequency. - */ - temp = locking_frequency; - locking_frequency = saved_frequency; - - mutex_unlock(&cpufreq_lock); - exynos_target(policy, locking_frequency, - CPUFREQ_RELATION_H); - mutex_lock(&cpufreq_lock); - - locking_frequency = temp; - } + mutex_lock(&cpufreq_lock); frequency_locked = false; + mutex_unlock(&cpufreq_lock); break; } -out: - mutex_unlock(&cpufreq_lock); return NOTIFY_OK; } @@ -222,8 +248,6 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) cpufreq_frequency_table_get_attr(exynos_info->freq_table, policy->cpu); - locking_frequency = exynos_getspeed(0); - /* set the transition latency value */ policy->cpuinfo.transition_latency = 100000; @@ -232,13 +256,26 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy) return cpufreq_frequency_table_cpuinfo(policy, exynos_info->freq_table); } +static int exynos_cpufreq_cpu_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + return 0; +} + +static struct freq_attr *exynos_cpufreq_attr[] = { + &cpufreq_freq_attr_scaling_available_freqs, + NULL, +}; + static struct cpufreq_driver exynos_driver = { .flags = CPUFREQ_STICKY, .verify = exynos_verify_speed, .target = exynos_target, .get = exynos_getspeed, .init = exynos_cpufreq_cpu_init, + .exit = exynos_cpufreq_cpu_exit, .name = "exynos_cpufreq", + .attr = exynos_cpufreq_attr, #ifdef CONFIG_PM .suspend = exynos_cpufreq_suspend, .resume = exynos_cpufreq_resume, @@ -276,6 +313,8 @@ static int __init exynos_cpufreq_init(void) goto err_vdd_arm; } + locking_frequency = exynos_getspeed(0); + register_pm_notifier(&exynos_cpufreq_nb); if (cpufreq_register_driver(&exynos_driver)) { @@ -287,8 +326,7 @@ static int __init exynos_cpufreq_init(void) err_cpufreq: unregister_pm_notifier(&exynos_cpufreq_nb); - if (!IS_ERR(arm_regulator)) - regulator_put(arm_regulator); + regulator_put(arm_regulator); err_vdd_arm: kfree(exynos_info); pr_debug("%s: failed initialization\n", __func__); diff --git a/drivers/cpufreq/exynos4210-cpufreq.c b/drivers/cpufreq/exynos4210-cpufreq.c index fb148fa27678..de91755e2556 100644 --- a/drivers/cpufreq/exynos4210-cpufreq.c +++ b/drivers/cpufreq/exynos4210-cpufreq.c @@ -20,97 +20,37 @@ #include <mach/regs-clock.h> #include <mach/cpufreq.h> -#define CPUFREQ_LEVEL_END L5 - -static int max_support_idx = L0; -static int min_support_idx = (CPUFREQ_LEVEL_END - 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; -}; - -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) @@ -119,7 +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); @@ -129,12 +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); @@ -162,7 +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 */ @@ -179,10 +114,10 @@ static void exynos4210_set_apll(unsigned int index) } while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT)); } -bool exynos4210_pms_change(unsigned int old_index, unsigned int new_index) +static 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; } @@ -200,7 +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 */ @@ -214,7 +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 */ @@ -231,8 +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"); @@ -253,33 +186,9 @@ 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; - info->pm_lock_idx = L2; + /* 800Mhz */ info->pll_safe_idx = L2; - info->max_support_idx = max_support_idx; - info->min_support_idx = min_support_idx; info->cpu_clk = cpu_clk; info->volt_table = exynos4210_volt_table; info->freq_table = exynos4210_freq_table; @@ -289,14 +198,11 @@ int exynos4210_cpufreq_init(struct exynos_dvfs_info *info) return 0; err_mout_apll: - if (!IS_ERR(mout_mpll)) - clk_put(mout_mpll); + clk_put(mout_mpll); err_mout_mpll: - if (!IS_ERR(moutcore)) - clk_put(moutcore); + clk_put(moutcore); err_moutcore: - if (!IS_ERR(cpu_clk)) - clk_put(cpu_clk); + clk_put(cpu_clk); pr_debug("%s: failed initialization\n", __func__); return -EINVAL; diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c b/drivers/cpufreq/exynos4x12-cpufreq.c index 8c5a7afa5b0b..0661039e5d4a 100644 --- a/drivers/cpufreq/exynos4x12-cpufreq.c +++ b/drivers/cpufreq/exynos4x12-cpufreq.c @@ -20,26 +20,18 @@ #include <mach/regs-clock.h> #include <mach/cpufreq.h> -#define CPUFREQ_LEVEL_END (L13 + 1) - -static int max_support_idx; -static int min_support_idx = (CPUFREQ_LEVEL_END - 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}, @@ -56,247 +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 } - */ - /* 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 } + * 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 */ - { 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) @@ -306,7 +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); @@ -314,7 +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()) @@ -341,14 +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 */ @@ -367,10 +166,10 @@ static void exynos4x12_set_apll(unsigned int index) } while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT)); } -bool exynos4x12_pms_change(unsigned int old_index, unsigned int new_index) +static 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; } @@ -387,7 +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 { @@ -402,7 +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); @@ -416,27 +215,10 @@ static void exynos4x12_set_frequency(unsigned int old_index, } } -static void __init set_volt_table(void) -{ - unsigned int i; - - max_support_idx = L1; - - /* 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); @@ -455,66 +237,14 @@ 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; - info->pm_lock_idx = L5; + /* 800Mhz */ info->pll_safe_idx = L7; - info->max_support_idx = max_support_idx; - info->min_support_idx = min_support_idx; info->cpu_clk = cpu_clk; info->volt_table = exynos4x12_volt_table; info->freq_table = exynos4x12_freq_table; diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c index e64c253cb169..b9344869f822 100644 --- a/drivers/cpufreq/exynos5250-cpufreq.c +++ b/drivers/cpufreq/exynos5250-cpufreq.c @@ -21,23 +21,18 @@ #include <mach/regs-clock.h> #include <mach/cpufreq.h> -#define CPUFREQ_LEVEL_END (L15 + 1) - -static int max_support_idx; -static int min_support_idx = (CPUFREQ_LEVEL_END - 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}, @@ -47,8 +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}, @@ -58,78 +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) @@ -138,7 +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); @@ -146,7 +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); @@ -169,14 +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 */ @@ -196,10 +143,10 @@ static void set_apll(unsigned int new_index, } -bool exynos5250_pms_change(unsigned int old_index, unsigned int new_index) +static 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; } @@ -216,7 +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 { @@ -231,7 +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); @@ -245,24 +192,10 @@ static void exynos5250_set_frequency(unsigned int old_index, } } -static void __init set_volt_table(void) -{ - unsigned int i; - - max_support_idx = L0; - - 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); @@ -281,44 +214,9 @@ 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; - /* 1000Mhz */ - info->pm_lock_idx = L7; /* 800Mhz */ info->pll_safe_idx = L9; - info->max_support_idx = max_support_idx; - info->min_support_idx = min_support_idx; info->cpu_clk = cpu_clk; info->volt_table = exynos5250_volt_table; info->freq_table = exynos5250_freq_table; |
