diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra3_emc.c')
| -rw-r--r-- | arch/arm/mach-tegra/tegra3_emc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra3_emc.c b/arch/arm/mach-tegra/tegra3_emc.c index 44a7009ad1da..3a7e64e7380b 100644 --- a/arch/arm/mach-tegra/tegra3_emc.c +++ b/arch/arm/mach-tegra/tegra3_emc.c @@ -43,6 +43,7 @@ static bool emc_enable; #endif module_param(emc_enable, bool, 0644); +#define EMC_MIN_RATE_DDR3 50000000 #define EMC_STATUS_UPDATE_TIMEOUT 100 #define TEGRA_EMC_TABLE_MAX_SIZE 16 @@ -847,6 +848,9 @@ void tegra_init_emc(const struct tegra_emc_table *table, int table_size) pr_err("Not supported DRAM type %u\n", dram_type); return; } + if (dram_type == DRAM_TYPE_DDR3) + emc->min_rate = EMC_MIN_RATE_DDR3; + reg = emc_readl(EMC_CFG_2) & (~EMC_CFG_2_MODE_MASK); reg |= ((dram_type == DRAM_TYPE_LPDDR2) ? EMC_CFG_2_PD_MODE : EMC_CFG_2_SREF_MODE) << EMC_CFG_2_MODE_SHIFT; |