diff options
| author | Jessy Jiang <jiangchao5@huaqin.corp-partner.google.com> | 2021-03-02 16:56:07 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-03-08 01:49:33 +0000 |
| commit | 69da75411218c705b6b7375664523be707cb5258 (patch) | |
| tree | 091acdf1790eaea1cfe019ba520e761d449b6640 /src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c | |
| parent | 30c5e607b3cc49ce8a45e420ffa0e71691b86d7d (diff) | |
mb/google/kukui: Add Micron 4GB discrete LPDDR4X DDR support
Support 4G+128G MT29VZZZAD9GQFSM-046 W.9S9 discrete DDR bootup.
BUG=b:162292216
BRANCH=kukui
TEST=Boots correctly on Kukui.
Signed-off-by: Jessy Jiang <jiangchao5@huaqin.corp-partner.google.com>
Change-Id: I5657a007154bc52c6f0f27e1de6e3294a5e74ad7
Reviewed-on: https://review.coreboot.org/c/coreboot/+/48686
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c')
| -rw-r--r-- | src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c new file mode 100644 index 0000000000..0caa1302cb --- /dev/null +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD9GQFSM-046-4GB.c @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <soc/dramc_param.h> + +struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .ddr_geometry = DDR_TYPE_2CH_1RK_4GB_4, + .frequency = 1600, + .wr_level = { + [CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} }, + [CHANNEL_B] = { {0x21, 0x28}, {0x21, 0x29} } + }, + .cbt_cs_dly = { + [CHANNEL_A] = {0x2, 0x2}, + [CHANNEL_B] = {0x2, 0x2} + }, + .cbt_final_vref = { + [CHANNEL_A] = {0x5E, 0x5E}, + [CHANNEL_B] = {0x5E, 0x5C} + }, + .emi_cona_val = 0xF053F154, + .emi_conh_val = 0x44440003, + .emi_conf_val = 0x00421000, + .chn_emi_cona_val = {0x0444F051, 0x0444F051}, + .cbt_mode_extern = CBT_NORMAL_MODE, + .delay_cell_unit = 868, +}; |