diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/dmc_init_ddr3.c')
| -rw-r--r-- | src/cpu/samsung/exynos5250/dmc_init_ddr3.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/cpu/samsung/exynos5250/dmc_init_ddr3.c b/src/cpu/samsung/exynos5250/dmc_init_ddr3.c index e3d46ab2d5..f2c228d339 100644 --- a/src/cpu/samsung/exynos5250/dmc_init_ddr3.c +++ b/src/cpu/samsung/exynos5250/dmc_init_ddr3.c @@ -158,8 +158,14 @@ int ddr3_mem_ctrl_init(struct mem_timings *mem, unsigned long mem_iv_size, /* Send PALL command */ dmc_config_prech(mem, dmc); - /* Send NOP, MRS and ZQINIT commands */ - dmc_config_mrs(mem, dmc); + if (mem_reset) { + /* Send NOP, MRS and ZQINIT commands. + * Sending MRS command will reset the DRAM. We should not be + * reseting the DRAM after resume, this will lead to memory + * corruption as DRAM content is lost after DRAM reset + */ + dmc_config_mrs(mem, dmc); + } if (mem->gate_leveling_enable) { val = PHY_CON0_RESET_VAL; |