diff options
| author | Ryan Chuang <ryan.chuang@mediatek.corp-partner.google.com> | 2021-12-27 12:44:12 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-12-29 07:52:06 +0000 |
| commit | 550c0723653626beeae2d29d42e9cbfc2268e1d6 (patch) | |
| tree | 31d5f6dc7f1874c935b75882f566cd3b0a023c9e /src/mainboard/google/corsola | |
| parent | 31531eab35982c212d29724cdacdec59bc8a9c81 (diff) | |
mb/google/corsola: Fully calibrate DRAM
Initialize and calibrate DRAM in romstage.
DRAM full calibration logs:
dram_init: dram init end (result: 1)
DRAM-K: Full calibration passed in 20014 msecs
TEST=DRAM full calibration pass.
BUG=b:202871018
Signed-off-by: Ryan Chuang <ryan.chuang@mediatek.corp-partner.google.com>
Change-Id: I80a18a8be5b1d47a5f0f7afed9601c0884e69035
Reviewed-on: https://review.coreboot.org/c/coreboot/+/60386
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/mainboard/google/corsola')
| -rw-r--r-- | src/mainboard/google/corsola/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/mainboard/google/corsola/romstage.c | 2 | ||||
| -rw-r--r-- | src/mainboard/google/corsola/sdram_configs.c | 15 |
3 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/corsola/Makefile.inc b/src/mainboard/google/corsola/Makefile.inc index 1a9a1c28b4..e1e363c4ed 100644 --- a/src/mainboard/google/corsola/Makefile.inc +++ b/src/mainboard/google/corsola/Makefile.inc @@ -11,6 +11,7 @@ romstage-y += boardid.c romstage-y += chromeos.c romstage-y += regulator.c romstage-y += romstage.c +romstage-y += sdram_configs.c ramstage-y += memlayout.ld ramstage-y += boardid.c diff --git a/src/mainboard/google/corsola/romstage.c b/src/mainboard/google/corsola/romstage.c index aff496b563..8d03b5b54c 100644 --- a/src/mainboard/google/corsola/romstage.c +++ b/src/mainboard/google/corsola/romstage.c @@ -3,6 +3,7 @@ #include <arch/stages.h> #include <console/console.h> #include <delay.h> +#include <soc/emi.h> #include <soc/mt6366.h> #include <soc/pll_common.h> #include <soc/regulator.h> @@ -26,4 +27,5 @@ void platform_romstage_main(void) mt6366_init(); raise_little_cpu_freq(); rtc_boot(); + mtk_dram_init(); } diff --git a/src/mainboard/google/corsola/sdram_configs.c b/src/mainboard/google/corsola/sdram_configs.c new file mode 100644 index 0000000000..f565f53f82 --- /dev/null +++ b/src/mainboard/google/corsola/sdram_configs.c @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/dramc_param.h> + +const struct sdram_info *get_sdram_config(void) +{ + /* + * The MT8186 platform supports "dram adaptive" feature to + * automatically detect dram information, including channel, rank, die size..., + * and can automatically configure EMI settings. + * So we will be passing a placeholder param blob. + */ + static struct sdram_info params; + return ¶ms; +} |