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author | Michał Żygowski <michal.zygowski@3mdeb.com> | 2018-12-21 12:23:27 +0100 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2020-03-10 10:04:05 +0000 |
commit | b9f9f6c12b1a98ce76e3546e9f900ecb45e3c95c (patch) | |
tree | f9f15e13fcdf6971f4a8e0f594d0650c42a289fb /src/mainboard/libretrend/lt1000/romstage.c | |
parent | 48be6b276a0d7d0376684eaa5c1d92b763f61cc6 (diff) | |
download | coreboot-b9f9f6c12b1a98ce76e3546e9f900ecb45e3c95c.tar.xz |
mb/libretrend/lt1000: Add Libretrend LT1000 mainboard
Change-Id: I32fc8a7d3177ba379d04ad8b87adefcfca2b0fab
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/30360
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Diffstat (limited to 'src/mainboard/libretrend/lt1000/romstage.c')
-rw-r--r-- | src/mainboard/libretrend/lt1000/romstage.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/mainboard/libretrend/lt1000/romstage.c b/src/mainboard/libretrend/lt1000/romstage.c new file mode 100644 index 0000000000..510038b3b7 --- /dev/null +++ b/src/mainboard/libretrend/lt1000/romstage.c @@ -0,0 +1,63 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* This file is part of the coreboot project. */ + +#include <soc/romstage.h> +#include <spd_bin.h> +#include <string.h> + +static void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1) +{ + const u8 dq_map[2][12] = { + { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, + 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, + { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC, + 0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; + memcpy(dq_map_ch0, dq_map[0], sizeof(dq_map[0])); + memcpy(dq_map_ch1, dq_map[1], sizeof(dq_map[1])); +} + +static void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1) +{ + const u8 dqs_map[2][8] = { + { 0, 1, 2, 3, 4, 5, 6, 7 }, + { 1, 0, 2, 3, 4, 5, 6, 7 } }; + memcpy(dqs_map_ch0, dqs_map[0], sizeof(dqs_map[0])); + memcpy(dqs_map_ch1, dqs_map[1], sizeof(dqs_map[1])); +} + +static void mainboard_fill_rcomp_res_data(void *rcomp_ptr) +{ + const u16 RcompResistor[3] = { 121, 81, 100 }; + memcpy(rcomp_ptr, RcompResistor, sizeof(RcompResistor)); +} + +static void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr) +{ + const u16 RcompTarget[5] = { 100, 40, 20, 20, 26 }; + memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget)); +} + +void mainboard_memory_init_params(FSPM_UPD *mupd) +{ + FSP_M_CONFIG *mem_cfg; + mem_cfg = &mupd->FspmConfig; + + mainboard_fill_dq_map_data(&mem_cfg->DqByteMapCh0, &mem_cfg->DqByteMapCh1); + mainboard_fill_dqs_map_data(&mem_cfg->DqsMapCpu2DramCh0, &mem_cfg->DqsMapCpu2DramCh1); + mainboard_fill_rcomp_res_data(&mem_cfg->RcompResistor); + mainboard_fill_rcomp_strength_data(&mem_cfg->RcompTarget); + + struct spd_block blk = { + .addr_map = { 0x50, 0x52, }, + }; + + mem_cfg->DqPinsInterleaved = 1; + mem_cfg->CaVrefConfig = 2; + + get_spd_smbus(&blk); + dump_spd_info(&blk); + + mem_cfg->MemorySpdDataLen = blk.len; + mem_cfg->MemorySpdPtr00 = (uintptr_t)blk.spd_array[0]; + mem_cfg->MemorySpdPtr10 = (uintptr_t)blk.spd_array[1]; +} |