diff options
| -rw-r--r-- | src/soc/mediatek/mt8183/memory.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/src/soc/mediatek/mt8183/memory.c b/src/soc/mediatek/mt8183/memory.c index b657708193..2e6391339c 100644 --- a/src/soc/mediatek/mt8183/memory.c +++ b/src/soc/mediatek/mt8183/memory.c @@ -17,6 +17,7 @@ #include <cbfs.h> #include <console/console.h> #include <ip_checksum.h> +#include <security/vboot/vboot_common.h> #include <soc/dramc_param.h> #include <soc/dramc_pi_api.h> #include <soc/emi.h> @@ -163,13 +164,21 @@ void mt_mem_init(struct dramc_param_ops *dparam_ops) if (CONFIG(MT8183_DRAM_EMCP)) config |= DRAMC_CONFIG_EMCP; + const bool recovery_mode = vboot_recovery_mode_enabled(); + /* Load calibration params from flash and run fast calibration */ - if (dparam_ops->read_from_flash(dparam)) { + if (recovery_mode) { + printk(BIOS_WARNING, "Skip loading cached calibration data\n"); + } else if (dparam_ops->read_from_flash(dparam)) { + printk(BIOS_INFO, "DRAM-K: Fast Calibration\n"); if (dram_run_fast_calibration(dparam, config) == 0) { printk(BIOS_INFO, - "DRAM calibraion params loaded from flash\n"); + "Calibration params loaded from flash\n"); if (mt_set_emi(dparam) == 0 && mt_mem_test() == 0) return; + } else { + printk(BIOS_ERR, + "Failed to apply cached calibration data\n"); } } else { printk(BIOS_WARNING, @@ -177,16 +186,23 @@ void mt_mem_init(struct dramc_param_ops *dparam_ops) } /* Run full calibration */ + printk(BIOS_INFO, "DRAM-K: Full Calibration\n"); int err = dram_run_full_calibration(dparam, config); if (err == 0) { printk(BIOS_INFO, "Successfully loaded DRAM blobs and " "ran DRAM calibration\n"); - set_source_to_flash(dparam->freq_params); - dparam->header.checksum = compute_checksum(dparam); - dparam_ops->write_to_flash(dparam); - printk(BIOS_DEBUG, "Calibration params saved to flash: " - "version=%#x, size=%#x\n", - dparam->header.version, dparam->header.size); + /* + * In recovery mode the system boots in RO but the flash params + * should be calibrated for RW so we can't mix them up. + */ + if (!recovery_mode) { + set_source_to_flash(dparam->freq_params); + dparam->header.checksum = compute_checksum(dparam); + dparam_ops->write_to_flash(dparam); + printk(BIOS_DEBUG, "Calibration params saved to flash: " + "version=%#x, size=%#x\n", + dparam->header.version, dparam->header.size); + } return; } @@ -194,6 +210,7 @@ void mt_mem_init(struct dramc_param_ops *dparam_ops) "falling back to load default sdram param\n", err); /* Init params from sdram configs and run partial calibration */ + printk(BIOS_INFO, "DRAM-K: Partial Calibration\n"); init_sdram_params(dparam->freq_params, get_sdram_config()); if (mt_set_emi(dparam) != 0) die("Set emi failed with params from sdram config\n"); |