summaryrefslogtreecommitdiff
path: root/src/soc/mediatek
diff options
context:
space:
mode:
Diffstat (limited to 'src/soc/mediatek')
-rw-r--r--src/soc/mediatek/mt8183/dramc_pi_calibration_api.c22
-rw-r--r--src/soc/mediatek/mt8183/emi.c12
-rw-r--r--src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h2
-rw-r--r--src/soc/mediatek/mt8183/include/soc/emi.h2
-rw-r--r--src/soc/mediatek/mt8183/memory.c21
5 files changed, 39 insertions, 20 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;
}
diff --git a/src/soc/mediatek/mt8183/emi.c b/src/soc/mediatek/mt8183/emi.c
index 52baeb1688..4b08a10c08 100644
--- a/src/soc/mediatek/mt8183/emi.c
+++ b/src/soc/mediatek/mt8183/emi.c
@@ -342,12 +342,14 @@ void enable_emi_dcm(void)
clrbits_le32(&ch[chn].emi.chn_conb, 0xff << 24);
}
-static void do_calib(const struct sdram_params *params, u8 freq_group)
+static int do_calib(const struct sdram_params *params, u8 freq_group)
{
dramc_show("Start K, current clock is:%d\n", params->frequency);
- dramc_calibrate_all_channels(params, freq_group);
+ if (dramc_calibrate_all_channels(params, freq_group) != 0)
+ return -1;
dramc_ac_timing_optimize(freq_group);
dramc_show("K finish with clock:%d\n", params->frequency);
+ return 0;
}
static void after_calib(void)
@@ -356,7 +358,7 @@ static void after_calib(void)
dramc_runtime_config();
}
-void mt_set_emi(const struct dramc_param *dparam)
+int mt_set_emi(const struct dramc_param *dparam)
{
const u8 *freq_tbl;
const int shuffle = DRAM_DFS_SHUFFLE_1;
@@ -372,7 +374,9 @@ void mt_set_emi(const struct dramc_param *dparam)
params = &dparam->freq_params[shuffle];
init_dram(params, current_freqsel);
- do_calib(params, current_freqsel);
+ if (do_calib(params, current_freqsel) != 0)
+ return -1;
after_calib();
+ return 0;
}
diff --git a/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h b/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
index 1ce5f67470..afd6718424 100644
--- a/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
+++ b/src/soc/mediatek/mt8183/include/soc/dramc_pi_api.h
@@ -110,7 +110,7 @@ void dramc_sw_impedance_save_reg(u8 freq_group);
void dramc_sw_impedance_cal(const struct sdram_params *params, u8 term_option);
void dramc_apply_config_before_calibration(u8 freq_group);
void dramc_apply_config_after_calibration(void);
-void dramc_calibrate_all_channels(const struct sdram_params *pams,
+int dramc_calibrate_all_channels(const struct sdram_params *pams,
u8 freq_group);
void dramc_hw_gating_onoff(u8 chn, bool onoff);
void dramc_enable_phy_dcm(bool bEn);
diff --git a/src/soc/mediatek/mt8183/include/soc/emi.h b/src/soc/mediatek/mt8183/include/soc/emi.h
index 2821511014..1a364fb7a6 100644
--- a/src/soc/mediatek/mt8183/include/soc/emi.h
+++ b/src/soc/mediatek/mt8183/include/soc/emi.h
@@ -88,7 +88,7 @@ int complex_mem_test(u8 *start, unsigned int len);
size_t sdram_size(void);
const struct sdram_params *get_sdram_config(void);
void enable_emi_dcm(void);
-void mt_set_emi(const struct dramc_param *dparam);
+int mt_set_emi(const struct dramc_param *dparam);
void mt_mem_init(struct dramc_param_ops *dparam_ops);
#endif /* SOC_MEDIATEK_MT8183_EMI_H */
diff --git a/src/soc/mediatek/mt8183/memory.c b/src/soc/mediatek/mt8183/memory.c
index 19f732609f..bd5c74c6dc 100644
--- a/src/soc/mediatek/mt8183/memory.c
+++ b/src/soc/mediatek/mt8183/memory.c
@@ -19,10 +19,9 @@
#include <soc/dramc_param.h>
#include <soc/dramc_pi_api.h>
#include <soc/emi.h>
-#include <string.h>
#include <symbols.h>
-static void mt_mem_test(void)
+static int mt_mem_test(void)
{
u64 rank_size[RANK_MAX];
@@ -43,11 +42,16 @@ static void mt_mem_test(void)
printk(BIOS_DEBUG, "[MEM] complex R/W mem test %s : %d\n",
(i == 0) ? "pass" : "fail", i);
- ASSERT(i == 0);
+ if (i != 0) {
+ dramc_show("DRAM memory test failed\n");
+ return -1;
+ }
addr += rank_size[r];
}
}
+
+ return 0;
}
static void dump_param_header(const struct dramc_param *dparam)
@@ -147,9 +151,8 @@ void mt_mem_init(struct dramc_param_ops *dparam_ops)
if (dram_run_fast_calibration(dparam, config) == 0) {
printk(BIOS_INFO,
"DRAM calibraion params loaded from flash\n");
- mt_set_emi(dparam);
- mt_mem_test();
- return;
+ if (mt_set_emi(dparam) == 0 && mt_mem_test() == 0)
+ return;
}
} else {
printk(BIOS_WARNING,
@@ -174,6 +177,8 @@ void mt_mem_init(struct dramc_param_ops *dparam_ops)
/* Init params from sdram configs and run partial calibration */
init_sdram_params(dparam->freq_params, get_sdram_config());
- mt_set_emi(dparam);
- mt_mem_test();
+ if (mt_set_emi(dparam) != 0)
+ die("Set emi failed with params from sdram config\n");
+ if (mt_mem_test() != 0)
+ die("Memory test failed with params from sdram config\n");
}