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RK30/31 DDR:enable hw_exit_idle_en,c_active_in pin can be used to exit from

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the self-refresh mode
This commit is contained in:
cym
2013-01-30 16:52:57 +08:00
parent 63e88d0b13
commit 4d883d946d
1 changed files with 14 additions and 9 deletions
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23
arch/arm/mach-rk30/ddr.c
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@@ -1261,7 +1261,7 @@ __sramfunc void ddr_move_to_Access_state(void)
volatile uint32 value;
//set auto self-refresh idle
pDDR_Reg->MCFG1=(pDDR_Reg->MCFG1&0xffffff00)|ddr_sr_idle;
pDDR_Reg->MCFG1=(pDDR_Reg->MCFG1&0xffffff00)|ddr_sr_idle | (1<<31);
dsb();
while(1)
@@ -1294,18 +1294,23 @@ __sramfunc void ddr_move_to_Access_state(void)
break;
}
}
#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
pGRF_Reg_RK3066B->GRF_SOC_CON[2] = (1<<16 | 0);//de_hw_wakeup :enable auto sr if sr_idle != 0
#else
pGRF_Reg->GRF_SOC_CON[2] = (1<<16 | 0);//de_hw_wakeup :enable auto sr if sr_idle != 0
#endif
}
__sramfunc void ddr_move_to_Config_state(void)
{
volatile uint32 value;
//clear auto self-refresh idle
if(pDDR_Reg->MCFG1 & 0xFF)
{
pDDR_Reg->MCFG1=(pDDR_Reg->MCFG1&0xffffff00)|0x0;
dsb();
}
#if defined(CONFIG_ARCH_RK3066B) || defined(CONFIG_ARCH_RK3188)
pGRF_Reg_RK3066B->GRF_SOC_CON[2] = (1<<16 | 1); //hw_wakeup :disable auto sr
#else
pGRF_Reg->GRF_SOC_CON[2] = (1<<16 | 1); //hw_wakeup :disable auto sr
#endif
dsb();
while(1)
{
@@ -3475,7 +3480,7 @@ int ddr_init(uint32_t dram_speed_bin, uint32_t freq)
uint32_t die=1;
uint32_t gsr,dqstr;
ddr_print("version 1.00 20130125 \n");
ddr_print("version 1.00 20130130 \n");
mem_type = pPHY_Reg->DCR.b.DDRMD;
ddr_speed_bin = dram_speed_bin;