diff options
Diffstat (limited to 'src/soc/mediatek/mt8183/emi.c')
| -rw-r--r-- | src/soc/mediatek/mt8183/emi.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/src/soc/mediatek/mt8183/emi.c b/src/soc/mediatek/mt8183/emi.c index a582fe0828..8bd8a39a35 100644 --- a/src/soc/mediatek/mt8183/emi.c +++ b/src/soc/mediatek/mt8183/emi.c @@ -19,9 +19,17 @@ #include <soc/dramc_pi_api.h> #include <soc/dramc_register.h> -#define LP4X_HIGH_FREQ LP4X_DDR3200 -#define LP4X_MIDDLE_FREQ LP4X_DDR2400 -#define LP4X_LOW_FREQ LP4X_DDR1600 +static const u8 freq_shuffle[DRAM_DFS_SHUFFLE_MAX] = { + [DRAM_DFS_SHUFFLE_1] = LP4X_DDR3200, + [DRAM_DFS_SHUFFLE_2] = LP4X_DDR2400, + [DRAM_DFS_SHUFFLE_3] = LP4X_DDR1600, +}; + +static const u8 freq_shuffle_emcp[DRAM_DFS_SHUFFLE_MAX] = { + [DRAM_DFS_SHUFFLE_1] = LP4X_DDR3600, + [DRAM_DFS_SHUFFLE_2] = LP4X_DDR3200, + [DRAM_DFS_SHUFFLE_3] = LP4X_DDR1600, +}; u32 frequency_table[LP4X_DDRFREQ_MAX] = { [LP4X_DDR1600] = 1600, @@ -349,9 +357,16 @@ static void after_calib(void) void mt_set_emi(const struct sdram_params *params) { - u32 current_freq = LP4X_HIGH_FREQ; + const u8 *freq_tbl; + u8 current_freqsel; + + if (CONFIG(MT8183_DRAM_EMCP)) + freq_tbl = freq_shuffle_emcp; + else + freq_tbl = freq_shuffle; + current_freqsel = freq_tbl[DRAM_DFS_SHUFFLE_1]; - init_dram(params, current_freq); - do_calib(params, current_freq); + init_dram(params, current_freqsel); + do_calib(params, current_freqsel); after_calib(); } |