diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index 3baf4ddefc..97ef67d8c5 100644 --- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -240,9 +240,14 @@ static void mx23_mem_setup_vddmem(void) struct mxs_power_regs *power_regs = (struct mxs_power_regs *)MXS_POWER_BASE; + /* We must wait before and after disabling the current limiter! */ + early_delay(10000); + clrbits_le32(&power_regs->hw_power_vddmemctrl, POWER_VDDMEMCTRL_ENABLE_ILIMIT); + early_delay(10000); + } static void mx23_mem_init(void) @@ -269,7 +274,13 @@ static void mx23_mem_init(void) setbits_le32(MXS_DRAM_BASE + 0x20, 1 << 16); clrbits_le32(MXS_DRAM_BASE + 0x40, 1 << 17); - early_delay(20000); + + /* Wait for EMI_STAT bit DRAM_HALTED */ + for (;;) { + if (!(readl(MXS_EMI_BASE + 0x10) & (1 << 1))) + break; + early_delay(1000); + } /* Adjust EMI port priority. */ clrsetbits_le32(0x80020000, 0x1f << 16, 0x2); |