diff options
| -rw-r--r-- | src/soc/mediatek/mt8192/Makefile.inc | 10 | ||||
| -rw-r--r-- | src/soc/mediatek/mt8192/memory.c | 82 |
2 files changed, 84 insertions, 8 deletions
diff --git a/src/soc/mediatek/mt8192/Makefile.inc b/src/soc/mediatek/mt8192/Makefile.inc index 8b2831cc6b..13b5b21763 100644 --- a/src/soc/mediatek/mt8192/Makefile.inc +++ b/src/soc/mediatek/mt8192/Makefile.inc @@ -37,6 +37,16 @@ ramstage-y += ../common/timer.c ramstage-y += ../common/uart.c ramstage-y += ../common/usb.c usb.c +MT8192_BLOB_DIR := 3rdparty/blobs/soc/mediatek/mt8192 + +DRAM_CBFS := $(CONFIG_CBFS_PREFIX)/dram +$(DRAM_CBFS)-file := $(MT8192_BLOB_DIR)/dram.elf +$(DRAM_CBFS)-type := stage +$(DRAM_CBFS)-compression := $(CBFS_PRERAM_COMPRESS_FLAG) +ifneq ($(wildcard $($(DRAM_CBFS)-file)),) + cbfs-files-y += $(DRAM_CBFS) +endif + BL31_MAKEARGS += PLAT=mt8192 CPPFLAGS_common += -Isrc/soc/mediatek/mt8192/include diff --git a/src/soc/mediatek/mt8192/memory.c b/src/soc/mediatek/mt8192/memory.c index 5820fbf294..549dede00d 100644 --- a/src/soc/mediatek/mt8192/memory.c +++ b/src/soc/mediatek/mt8192/memory.c @@ -7,6 +7,7 @@ #include <ip_checksum.h> #include <soc/emi.h> #include <symbols.h> +#include <timer.h> static int mt_mem_test(const struct dramc_data *dparam) { @@ -41,7 +42,7 @@ static u32 compute_checksum(const struct dramc_param *dparam) static int dram_run_fast_calibration(const struct dramc_param *dparam) { if (!is_valid_dramc_param(dparam)) { - printk(BIOS_WARNING, "Invalid DRAM calibration data from flash\n"); + printk(BIOS_WARNING, "DRAM-K: Invalid DRAM calibration data from flash\n"); dump_param_header((void *)dparam); return -1; } @@ -49,7 +50,7 @@ static int dram_run_fast_calibration(const struct dramc_param *dparam) const u32 checksum = compute_checksum(dparam); if (dparam->header.checksum != checksum) { printk(BIOS_ERR, - "Invalid DRAM calibration checksum from flash " + "DRAM-K: Invalid DRAM calibration checksum from flash " "(expected: %#x, saved: %#x)\n", checksum, dparam->header.checksum); return DRAMC_ERR_INVALID_CHECKSUM; @@ -58,13 +59,13 @@ static int dram_run_fast_calibration(const struct dramc_param *dparam) const u16 config = CONFIG(MT8192_DRAM_DVFS) ? DRAMC_ENABLE_DVFS : DRAMC_DISABLE_DVFS; if (dparam->dramc_datas.ddr_info.config_dvfs != config) { printk(BIOS_WARNING, - "Incompatible config for calibration data from flash " + "DRAM-K: Incompatible config for calibration data from flash " "(expected: %#x, saved: %#x)\n", config, dparam->dramc_datas.ddr_info.config_dvfs); return -1; } - printk(BIOS_INFO, "DRAM calibration data valid pass\n"); + printk(BIOS_INFO, "DRAM-K: DRAM calibration data valid pass\n"); mt_set_emi(&dparam->dramc_datas); if (mt_mem_test(&dparam->dramc_datas) == 0) return 0; @@ -72,6 +73,43 @@ static int dram_run_fast_calibration(const struct dramc_param *dparam) return DRAMC_ERR_FAST_CALIBRATION; } +static int dram_run_full_calibration(struct dramc_param *dparam) +{ + /* Load and run the provided blob for full-calibration if available */ + struct prog dram = PROG_INIT(PROG_REFCODE, CONFIG_CBFS_PREFIX "/dram"); + + initialize_dramc_param(dparam); + + if (prog_locate(&dram)) { + printk(BIOS_ERR, "DRAM-K: Locate program failed\n"); + return -1; + } + + if (cbfs_prog_stage_load(&dram)) { + printk(BIOS_ERR, "DRAM-K: CBFS load program failed\n"); + return -2; + } + + dparam->do_putc = do_putchar; + + prog_set_entry(&dram, prog_entry(&dram), dparam); + prog_run(&dram); + if (dparam->header.status != DRAMC_SUCCESS) { + printk(BIOS_ERR, "DRAM-K: Full calibration failed: status = %d\n", + dparam->header.status); + return -3; + } + + if (!(dparam->header.flags & DRAMC_FLAG_HAS_SAVED_DATA)) { + printk(BIOS_ERR, + "DRAM-K: Full calibration executed without saving parameters. " + "Please ensure the blob is built properly.\n"); + return -4; + } + + return 0; +} + static void mem_init_set_default_config(struct dramc_param *dparam, u32 ddr_geometry) { @@ -93,23 +131,51 @@ static void mem_init_set_default_config(struct dramc_param *dparam, static void mt_mem_init_run(struct dramc_param_ops *dparam_ops, u32 ddr_geometry) { struct dramc_param *dparam = dparam_ops->param; + struct stopwatch sw; + int ret; /* Load calibration params from flash and run fast calibration */ mem_init_set_default_config(dparam, ddr_geometry); if (dparam_ops->read_from_flash(dparam)) { printk(BIOS_INFO, "DRAM-K: Running fast calibration\n"); - if (dram_run_fast_calibration(dparam) != 0) { - printk(BIOS_ERR, "Failed to run fast calibration\n"); + stopwatch_init(&sw); + + ret = dram_run_fast_calibration(dparam); + if (ret != 0) { + printk(BIOS_ERR, "DRAM-K: Failed to run fast calibration " + "in %ld msecs, error: %d\n", + stopwatch_duration_msecs(&sw), ret); /* Erase flash data after fast calibration failed */ memset(dparam, 0xa5, sizeof(*dparam)); dparam_ops->write_to_flash(dparam); } else { - printk(BIOS_INFO, "Fast calibration passed\n"); + printk(BIOS_INFO, "DRAM-K: Fast calibration passed in %ld msecs\n", + stopwatch_duration_msecs(&sw)); return; } } else { - printk(BIOS_WARNING, "Failed to read calibration data from flash\n"); + printk(BIOS_WARNING, "DRAM-K: Failed to read calibration data from flash\n"); + } + + /* Run full calibration */ + printk(BIOS_INFO, "DRAM-K: Running full calibration\n"); + mem_init_set_default_config(dparam, ddr_geometry); + + stopwatch_init(&sw); + int err = dram_run_full_calibration(dparam); + if (err == 0) { + printk(BIOS_INFO, "DRAM-K: Full calibration passed in %ld msecs\n", + stopwatch_duration_msecs(&sw)); + + dparam->header.checksum = compute_checksum(dparam); + dparam_ops->write_to_flash(dparam); + printk(BIOS_DEBUG, "DRAM-K: Calibration params saved to flash: " + "version=%#x, size=%#x\n", + dparam->header.version, dparam->header.size); + } else { + printk(BIOS_ERR, "DRAM-K: Full calibration failed in %ld msecs\n", + stopwatch_duration_msecs(&sw)); } } |