diff options
Diffstat (limited to 'src/soc/mediatek/mt8183/dramc_pi_calibration_api.c')
| -rw-r--r-- | src/soc/mediatek/mt8183/dramc_pi_calibration_api.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c index 6537af0987..711e4bc6cc 100644 --- a/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c +++ b/src/soc/mediatek/mt8183/dramc_pi_calibration_api.c @@ -1969,11 +1969,13 @@ static void dramc_dle_factor_handler(u8 chn, u8 val, u8 freq_group) } static u8 dramc_rx_datlat_cal(u8 chn, u8 rank, u8 freq_group, - const struct sdram_params *params, const bool fast_calib) + const struct sdram_params *params, const bool fast_calib, + bool *test_passed) { - u32 datlat, begin = 0, first = 0, sum = 0, best_step; + u32 datlat, begin = 0, first = 0, sum = 0, best_step; u32 datlat_start = 7; + *test_passed = true; best_step = read32(&ch[chn].ao.shu[0].conf[1]) & SHU_CONF1_DATLAT_MASK; dramc_dbg("[DATLAT] start. CH%d RK%d DATLAT Default: 0x%x\n", @@ -2010,7 +2012,11 @@ static u8 dramc_rx_datlat_cal(u8 chn, u8 rank, u8 freq_group, dramc_engine2_end(chn, dummy_rd_backup); - assert(sum != 0); + *test_passed = (sum != 0); + if (!*test_passed) { + dramc_show("DRAM memory test failed\n"); + return 0; + } if (sum <= 3) best_step = first + (sum >> 1); @@ -2111,7 +2117,7 @@ static void dramc_rx_dqs_gating_post_process(u8 chn, u8 freq_group) (0xff << 8) | (0x9 << 2) | ROEN); } -void dramc_calibrate_all_channels(const struct sdram_params *pams, u8 freq_group) +int dramc_calibrate_all_channels(const struct sdram_params *pams, u8 freq_group) { bool fast_calib; switch (pams->source) { @@ -2123,9 +2129,10 @@ void dramc_calibrate_all_channels(const struct sdram_params *pams, u8 freq_group break; default: die("Invalid DRAM param source %u\n", pams->source); - return; + return -1; } + bool test_passed; u8 rx_datlat[RANK_MAX] = {0}; for (u8 chn = 0; chn < CHANNEL_MAX; chn++) { for (u8 rk = RANK_0; rk < RANK_MAX; rk++) { @@ -2144,7 +2151,9 @@ void dramc_calibrate_all_channels(const struct sdram_params *pams, u8 freq_group dramc_window_perbit_cal(chn, rk, freq_group, TX_WIN_DQ_ONLY, pams, fast_calib); rx_datlat[rk] = dramc_rx_datlat_cal(chn, rk, freq_group, - pams, fast_calib); + pams, fast_calib, &test_passed); + if (!test_passed) + return -2; dramc_window_perbit_cal(chn, rk, freq_group, RX_WIN_TEST_ENG, pams, fast_calib); } @@ -2152,4 +2161,5 @@ void dramc_calibrate_all_channels(const struct sdram_params *pams, u8 freq_group dramc_rx_dqs_gating_post_process(chn, freq_group); dramc_dual_rank_rx_datlat_cal(chn, freq_group, rx_datlat[0], rx_datlat[1]); } + return 0; } |