diff options
Diffstat (limited to 'src/mainboard/purism/librem_skl/pei_data.c')
-rw-r--r-- | src/mainboard/purism/librem_skl/pei_data.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/mainboard/purism/librem_skl/pei_data.c b/src/mainboard/purism/librem_skl/pei_data.c new file mode 100644 index 0000000000..0be917d3c7 --- /dev/null +++ b/src/mainboard/purism/librem_skl/pei_data.c @@ -0,0 +1,65 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Google Inc. + * Copyright (C) 2015 Intel Corporation + * Copyright (C) 2017 Purism SPC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdint.h> +#include <string.h> +#include <soc/pei_data.h> +#include <soc/pei_wrapper.h> +#include "pei_data.h" + +void mainboard_fill_dq_map_data(void *dq_map_ptr) +{ + /* DQ byte map */ + 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_ptr, dq_map, sizeof(dq_map)); +} + +void mainboard_fill_dqs_map_data(void *dqs_map_ptr) +{ + /* DQS CPU<>DRAM map */ + const u8 dqs_map[2][8] = { + { 0, 1, 3, 2, 4, 5, 6, 7 }, + { 1, 0, 4, 5, 2, 3, 6, 7 } }; + memcpy(dqs_map_ptr, dqs_map, sizeof(dqs_map)); +} + +void mainboard_fill_rcomp_res_data(void *rcomp_ptr) +{ + /* Rcomp resistor */ + const u16 RcompResistor[3] = { 121, 81, 100 }; + memcpy(rcomp_ptr, RcompResistor, + sizeof(RcompResistor)); +} + +void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr) +{ + /* Rcomp target */ + const u16 RcompTarget[5] = { 100, 40, 20, 20, 26 }; + memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget)); +} + +void mainboard_fill_pei_data(struct pei_data *pei_data) +{ + mainboard_fill_dq_map_data(&pei_data->dq_map); + mainboard_fill_dqs_map_data(&pei_data->dqs_map); + mainboard_fill_rcomp_res_data(&pei_data->RcompResistor); + mainboard_fill_rcomp_strength_data(&pei_data->RcompTarget); +} |