Angel Pons | 60ec365 | 2020-04-03 01:22:13 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 2 | #include <cbfs.h> |
| 3 | #include <console/console.h> |
| 4 | #include <stdint.h> |
| 5 | #include <string.h> |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 6 | #include "boardid.h" |
| 7 | #include "spd.h" |
| 8 | |
Jacob Garber | 8216b46 | 2019-05-29 14:29:45 -0600 | [diff] [blame] | 9 | void mainboard_fill_dq_map_data(void *dq_map_ch0, void *dq_map_ch1) |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 10 | { |
| 11 | /* DQ byte map */ |
| 12 | const u8 dq_map[2][12] = { |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 13 | { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 14 | 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 }, |
Elyes HAOUAS | a342f39 | 2018-10-17 10:56:26 +0200 | [diff] [blame] | 15 | { 0x0F, 0xF0, 0x00, 0xF0, 0x0F, 0xF0, |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 16 | 0x0F, 0x00, 0xFF, 0x00, 0xFF, 0x00 } }; |
Jacob Garber | 8216b46 | 2019-05-29 14:29:45 -0600 | [diff] [blame] | 17 | memcpy(dq_map_ch0, dq_map[0], sizeof(dq_map[0])); |
| 18 | memcpy(dq_map_ch1, dq_map[1], sizeof(dq_map[1])); |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 19 | } |
| 20 | |
Jacob Garber | 8216b46 | 2019-05-29 14:29:45 -0600 | [diff] [blame] | 21 | void mainboard_fill_dqs_map_data(void *dqs_map_ch0, void *dqs_map_ch1) |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 22 | { |
| 23 | /* DQS CPU<>DRAM map */ |
| 24 | const u8 dqs_map[2][8] = { |
| 25 | { 0, 1, 3, 2, 6, 5, 4, 7 }, |
| 26 | { 2, 3, 0, 1, 6, 7, 4, 5 } }; |
Jacob Garber | 8216b46 | 2019-05-29 14:29:45 -0600 | [diff] [blame] | 27 | memcpy(dqs_map_ch0, dqs_map[0], sizeof(dqs_map[0])); |
| 28 | memcpy(dqs_map_ch1, dqs_map[1], sizeof(dqs_map[1])); |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 29 | } |
| 30 | |
| 31 | void mainboard_fill_rcomp_res_data(void *rcomp_ptr) |
| 32 | { |
| 33 | /* Rcomp resistor */ |
| 34 | const u16 RcompResistor[3] = { 200, 81, 162 }; |
| 35 | memcpy(rcomp_ptr, RcompResistor, |
| 36 | sizeof(RcompResistor)); |
| 37 | } |
| 38 | |
| 39 | void mainboard_fill_rcomp_strength_data(void *rcomp_strength_ptr) |
| 40 | { |
| 41 | int mem_cfg_id; |
| 42 | |
| 43 | mem_cfg_id = get_spd_index(); |
| 44 | /* Rcomp target */ |
Wim Vervoorn | 116a837 | 2019-12-11 11:54:33 +0100 | [diff] [blame] | 45 | static const u16 RcompTarget[5] = { |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 46 | 100, 40, 40, 23, 40 }; |
| 47 | |
| 48 | /* Strengthen the Rcomp Target Ctrl for 8GB K4E6E304EE -EGCF */ |
Wim Vervoorn | 116a837 | 2019-12-11 11:54:33 +0100 | [diff] [blame] | 49 | static const u16 StrengthendRcompTarget[5] = { |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 50 | 100, 40, 40, 21, 40 }; |
| 51 | |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 52 | if (mem_cfg_id == K4E6E304EE_MEM_ID) { |
| 53 | memcpy(rcomp_strength_ptr, StrengthendRcompTarget, |
| 54 | sizeof(StrengthendRcompTarget)); |
| 55 | } else { |
| 56 | memcpy(rcomp_strength_ptr, RcompTarget, sizeof(RcompTarget)); |
| 57 | } |
| 58 | |
| 59 | } |
| 60 | |
| 61 | uintptr_t mainboard_get_spd_data(void) |
| 62 | { |
Elyes HAOUAS | 448d9fb | 2018-05-22 12:51:27 +0200 | [diff] [blame] | 63 | char *spd_file; |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 64 | int spd_index, spd_span; |
| 65 | size_t spd_file_len; |
| 66 | |
| 67 | spd_index = get_spd_index(); |
| 68 | printk(BIOS_INFO, "SPD index %d\n", spd_index); |
| 69 | |
| 70 | /* Load SPD data from CBFS */ |
Julius Werner | 834b3ec | 2020-03-04 16:52:08 -0800 | [diff] [blame^] | 71 | spd_file = cbfs_map("spd.bin", &spd_file_len); |
Rizwan Qureshi | c33f08b | 2016-09-16 19:45:08 +0530 | [diff] [blame] | 72 | if (!spd_file) |
Rizwan Qureshi | 5ff7390 | 2016-08-24 20:50:54 +0530 | [diff] [blame] | 73 | die("SPD data not found."); |
| 74 | |
| 75 | /* make sure we have at least one SPD in the file. */ |
| 76 | if (spd_file_len < SPD_LEN) |
| 77 | die("Missing SPD data."); |
| 78 | |
| 79 | /* Make sure we did not overrun the buffer */ |
| 80 | if (spd_file_len < ((spd_index + 1) * SPD_LEN)) { |
| 81 | printk(BIOS_ERR, "SPD index override to 0 - old hardware?\n"); |
| 82 | spd_index = 0; |
| 83 | } |
| 84 | |
| 85 | spd_span = spd_index * SPD_LEN; |
| 86 | return (uintptr_t)(spd_file + spd_span); |
| 87 | } |
| 88 | |
| 89 | int mainboard_has_dual_channel_mem(void) |
| 90 | { |
| 91 | int spd_index; |
| 92 | |
| 93 | spd_index = get_spd_index(); |
| 94 | |
| 95 | if (spd_index != HYNIX_SINGLE_CHAN && spd_index != SAMSUNG_SINGLE_CHAN |
| 96 | && spd_index != MIC_SINGLE_CHAN) { |
| 97 | printk(BIOS_INFO, |
| 98 | "Dual channel SPD detected writing second channel\n"); |
| 99 | return 1; |
| 100 | } |
| 101 | return 0; |
| 102 | } |