diff options
| author | Tony Lindgren <tony@atomide.com> | 2006-06-26 16:16:17 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2006-06-26 16:16:17 -0700 |
| commit | a7ca9d2b0199f79480800e18f643328bb43f521d (patch) | |
| tree | 23e50178c0b55f1329f7c622f100c563a9e55070 | |
| parent | 4bbbc1adc2095c6504a556819dd8842135df300b (diff) | |
ARM: OMAP: Update cpufreq support for 24xx
Update cpufreq support for 24xx
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | arch/arm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/arm/plat-omap/cpu-omap.c | 18 |
2 files changed, 14 insertions, 6 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3d1a3fb7d5fc..30dede5a38b9 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -669,7 +669,7 @@ config XIP_PHYS_ADDR endmenu -if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP1) +if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP) menu "CPU Frequency scaling" diff --git a/arch/arm/plat-omap/cpu-omap.c b/arch/arm/plat-omap/cpu-omap.c index 98edc9fdd6d1..a0c71dca2373 100644 --- a/arch/arm/plat-omap/cpu-omap.c +++ b/arch/arm/plat-omap/cpu-omap.c @@ -25,6 +25,14 @@ #include <asm/io.h> #include <asm/system.h> +#define VERY_HI_RATE 900000000 + +#ifdef CONFIG_ARCH_OMAP1 +#define MPU_CLK "mpu" +#else +#define MPU_CLK "virt_prcm_set" +#endif + /* TODO: Add support for SDRAM timing changes */ int omap_verify_speed(struct cpufreq_policy *policy) @@ -36,7 +44,7 @@ int omap_verify_speed(struct cpufreq_policy *policy) cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq, policy->cpuinfo.max_freq); - mpu_clk = clk_get(NULL, "mpu"); + mpu_clk = clk_get(NULL, MPU_CLK); if (IS_ERR(mpu_clk)) return PTR_ERR(mpu_clk); policy->min = clk_round_rate(mpu_clk, policy->min * 1000) / 1000; @@ -56,7 +64,7 @@ unsigned int omap_getspeed(unsigned int cpu) if (cpu) return 0; - mpu_clk = clk_get(NULL, "mpu"); + mpu_clk = clk_get(NULL, MPU_CLK); if (IS_ERR(mpu_clk)) return 0; rate = clk_get_rate(mpu_clk) / 1000; @@ -73,7 +81,7 @@ static int omap_target(struct cpufreq_policy *policy, struct cpufreq_freqs freqs; int ret = 0; - mpu_clk = clk_get(NULL, "mpu"); + mpu_clk = clk_get(NULL, MPU_CLK); if (IS_ERR(mpu_clk)) return PTR_ERR(mpu_clk); @@ -93,7 +101,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy) { struct clk * mpu_clk; - mpu_clk = clk_get(NULL, "mpu"); + mpu_clk = clk_get(NULL, MPU_CLK); if (IS_ERR(mpu_clk)) return PTR_ERR(mpu_clk); @@ -102,7 +110,7 @@ static int __init omap_cpu_init(struct cpufreq_policy *policy) policy->cur = policy->min = policy->max = omap_getspeed(0); policy->governor = CPUFREQ_DEFAULT_GOVERNOR; policy->cpuinfo.min_freq = clk_round_rate(mpu_clk, 0) / 1000; - policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, 216000000) / 1000; + policy->cpuinfo.max_freq = clk_round_rate(mpu_clk, VERY_HI_RATE) / 1000; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; clk_put(mpu_clk); |