coreboot
coreboot is an Open Source project aimed at replacing the proprietary BIOS found in most computers.
variant.c
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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <baseboard/variant.h>
4 #include <fsp/soc_binding.h>
5 #include <gpio.h>
6 #include <stdint.h>
7 #include <string.h>
8 #include <variant/gpio.h>
9 
10 void variant_memory_init_params(FSPM_UPD *mupd, const int spd_index)
11 {
12  FSP_M_CONFIG *mem_cfg;
13  mem_cfg = &mupd->FspmConfig;
14 
15  /* DQ byte map */
16  const u8 dq_map[2][12] = {
17  { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0,
18  0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 },
19  { 0x33, 0xCC, 0x00, 0xCC, 0x33, 0xCC,
20  0x33, 0x00, 0xFF, 0x00, 0xFF, 0x00 } };
21  /* DQS CPU<>DRAM map */
22  const u8 dqs_map[2][8] = {
23  { 0, 1, 3, 2, 4, 5, 6, 7 },
24  { 1, 0, 4, 5, 2, 3, 6, 7 } };
25 
26  /* Rcomp resistor */
27  const u16 RcompResistor[3] = { 200, 81, 162 };
28 
29  /* Rcomp target */
30  const u16 RcompTarget[5] = { 100, 40, 40, 23, 40 };
31 
32  memcpy(mem_cfg->DqByteMapCh0, dq_map[0], sizeof(mem_cfg->DqByteMapCh0));
33  memcpy(mem_cfg->DqByteMapCh1, dq_map[1], sizeof(mem_cfg->DqByteMapCh1));
34  memcpy(mem_cfg->DqsMapCpu2DramCh0, dqs_map[0], sizeof(mem_cfg->DqsMapCpu2DramCh0));
35  memcpy(mem_cfg->DqsMapCpu2DramCh1, dqs_map[1], sizeof(mem_cfg->DqsMapCpu2DramCh1));
36  memcpy(mem_cfg->RcompResistor, RcompResistor, sizeof(mem_cfg->RcompResistor));
37  memcpy(mem_cfg->RcompTarget, RcompTarget, sizeof(mem_cfg->RcompTarget));
38 }
39 
41 {
42  int i;
43 
44  /* Power down the rails on any sleep type. */
45  gpio_t active_high_signals[] = {
51  };
52 
53  for (i = 0; i < ARRAY_SIZE(active_high_signals); i++)
54  gpio_set(active_high_signals[i], 0);
55 }
void * memcpy(void *dest, const void *src, size_t n)
Definition: memcpy.c:7
#define ARRAY_SIZE(a)
Definition: helpers.h:12
#define FSP_M_CONFIG
Definition: fsp_upd.h:8
void variant_memory_init_params(FSPM_UPD *mupd, const int spd_index)
Definition: variant.c:9
void mainboard_gpio_smi_sleep(void)
Definition: variant.c:40
void gpio_set(gpio_t gpio, int value)
Definition: gpio.c:174
static const int spd_index[32]
Definition: memory.c:10
#define EN_PP3300_DX_CAM
Definition: gpio.h:28
#define EN_PP3300_DX_TOUCH
Definition: gpio.h:48
#define EN_PP1800_DX_EMMC
Definition: gpio.h:50
#define EN_PP3300_DX_DIG
Definition: gpio.h:47
#define EN_PP3300_DX_EMMC
Definition: gpio.h:49
static const u8 dqs_map[][8]
Definition: memory.c:17
static const u8 dq_map[][12]
Definition: memory.c:9
uint16_t u16
Definition: stdint.h:48
uint8_t u8
Definition: stdint.h:45