ARM: OMAP: Update cpufreq support for 24xx
Update cpufreq support for 24xx
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3d1a3fb..30dede5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -669,7 +669,7 @@
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 98edc9f..a0c71dc 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 @@
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 @@
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 @@
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 @@
{
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 @@
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);