ARM: OMAP: Update cpufreq support for 24xx
authorTony Lindgren <tony@atomide.com>
Mon, 26 Jun 2006 23:16:17 +0000 (16:16 -0700)
committerTony Lindgren <tony@atomide.com>
Mon, 26 Jun 2006 23:16:17 +0000 (16:16 -0700)
Update cpufreq support for 24xx

Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/Kconfig
arch/arm/plat-omap/cpu-omap.c

index 3d1a3fb7d5fc17901b200f9a4e8a8097d271f066..30dede5a38b9c134fc51ed4adc324aeabb7ba51e 100644 (file)
@@ -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"
 
index 98edc9fdd6d10df39ee8d360b5108397f78112fe..a0c71dca237330aac55e15bf24221b39e1962128 100644 (file)
 #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);