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rk30: sdk: add cpufreq setup

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2012-04-02 03:14:41 -07:00
parent 3e7fc5a62d
commit 2820444536
1 changed files with 18 additions and 0 deletions
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18
arch/arm/mach-rk30/board-rk30-sdk.c
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@@ -24,6 +24,9 @@
#include <linux/spi/spi.h>
#include <linux/mmc/host.h>
#include <linux/ion.h>
#include <linux/cpufreq.h>
#include <linux/clk.h>
#include <mach/dvfs.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -1198,9 +1201,24 @@ static void __init rk30_reserve(void)
board_mem_reserved();
}
static struct cpufreq_frequency_table cpu_dvfs_table[] = {
//{.frequency = 126*1000, .index = 980*1000},
{.frequency = 252*1000, .index = 980*1000},
{.frequency = 504*1000, .index = 980*1000},
{.frequency = 816*1000, .index = 1000*1000},
{.frequency = 1008*1000,.index = 1050*1000},
{.frequency = 1200*1000,.index = 1150*1000},
{.frequency = 1416*1000,.index = 1280*1000},
{.frequency = 1512*1000,.index = 1320*1000},
//{.frequency = 1560*1000,.index = 1350*1000},
//{.frequency = 1608*1000,.index = 1350*1000},
{.frequency = CPUFREQ_TABLE_END},
};
void __init board_clock_init(void)
{
rk30_clock_data_init(periph_pll_297mhz, codec_pll_360mhz, max_i2s_12288khz);
dvfs_set_freq_volt_table(clk_get(NULL, "cpu"), cpu_dvfs_table);
}
MACHINE_START(RK30, "RK30board")