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rk312x: clk_ddr enable dvfs

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Signed-off-by: 陈亮 <cl@rock-chips.com>
This commit is contained in:
陈亮
2014-08-14 20:12:22 -07:00
parent 5ba080bc66
commit c6431eb275
2 changed files with 14 additions and 1 deletions
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2
arch/arm/boot/dts/rk312x-sdk.dtsi
View File

@@ -425,7 +425,7 @@
528000
>;
auto-freq=<0>;
status="disable";
status="okay";
};
&pwm0 {

13
arch/arm/mach-rockchip/rk312x.c
View File

@@ -67,6 +67,7 @@ static struct map_desc rk312x_io_desc[] __initdata = {
RK312X_DEVICE(ROM),
RK312X_DEVICE(EFUSE),
RK312X_DEVICE(TIMER),
RK312X_DEVICE(CPU_AXI_BUS),
RK_DEVICE(RK_DEBUG_UART_VIRT, RK312X_UART2_PHYS, RK312X_UART_SIZE),
RK_DEVICE(RK_DDR_VIRT, RK312X_DDR_PCTL_PHYS, RK312X_DDR_PCTL_SIZE),
RK_DEVICE(RK_DDR_VIRT + RK312X_DDR_PCTL_SIZE, RK312X_DDR_PHY_PHYS, RK312X_DDR_PHY_SIZE),
@@ -255,3 +256,15 @@ static int __init rk312x_pie_init(void)
return 0;
}
arch_initcall(rk312x_pie_init);
#include "ddr_rk3126.c"
static int __init rk312x_ddr_init(void)
{
if (cpu_is_rk312x()) {
ddr_change_freq = _ddr_change_freq;
ddr_round_rate = _ddr_round_rate;
ddr_set_auto_self_refresh = _ddr_set_auto_self_refresh;
ddr_init(DDR3_DEFAULT, 300);
}
return 0;
}
arch_initcall_sync(rk312x_ddr_init);