amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright 2018 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | */ |
| 15 | |
Shelley Chen | 467cce4 | 2018-03-07 14:22:28 -0800 | [diff] [blame] | 16 | #include <arch/cpu.h> |
| 17 | #include <assert.h> |
| 18 | #include <baseboard/variants.h> |
Furquan Shaikh | f5b7e80 | 2018-05-07 14:42:27 -0700 | [diff] [blame] | 19 | #include <cbfs.h> |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 20 | #include <chip.h> |
Furquan Shaikh | f5b7e80 | 2018-05-07 14:42:27 -0700 | [diff] [blame] | 21 | #include <commonlib/cbfs_serialized.h> |
| 22 | #include <compiler.h> |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 23 | #include <device/device.h> |
Furquan Shaikh | c6141b9 | 2018-05-10 21:58:39 -0700 | [diff] [blame^] | 24 | #include <drivers/intel/gma/opregion.h> |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 25 | #include <ec/google/chromeec/ec.h> |
Shelley Chen | 467cce4 | 2018-03-07 14:22:28 -0800 | [diff] [blame] | 26 | #include <smbios.h> |
| 27 | #include <soc/ramstage.h> |
| 28 | #include <string.h> |
amanda_hwang | 04ccd5f | 2018-03-16 13:43:52 +0800 | [diff] [blame] | 29 | #include <variant/sku.h> |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 30 | |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 31 | uint32_t variant_board_sku(void) |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 32 | { |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 33 | static uint32_t sku_id = SKU_UNKNOWN; |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 34 | uint32_t id; |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 35 | |
| 36 | if (sku_id != SKU_UNKNOWN) |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 37 | return sku_id; |
| 38 | if (google_chromeec_cbi_get_sku_id(&id)) |
| 39 | return SKU_UNKNOWN; |
| 40 | sku_id = id; |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 41 | |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 42 | return sku_id; |
| 43 | } |
| 44 | |
| 45 | void variant_devtree_update(void) |
| 46 | { |
| 47 | /* Override dev tree settings per board */ |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 48 | uint32_t sku_id = variant_board_sku(); |
Elyes HAOUAS | d129d43 | 2018-05-04 20:23:33 +0200 | [diff] [blame] | 49 | struct device *root = SA_DEV_ROOT; |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 50 | config_t *cfg = root->chip_info; |
| 51 | switch (sku_id) { |
| 52 | case SKU_1_VAYNE: |
Amanda Huang | 7024e66 | 2018-04-10 14:09:36 +0800 | [diff] [blame] | 53 | case SKU_2_VAYNE: |
amanda_hwang | b3b47e1 | 2018-03-08 11:04:40 +0800 | [diff] [blame] | 54 | cfg->usb2_ports[5].enable = 0;//rear camera |
| 55 | break; |
| 56 | default: |
| 57 | break; |
| 58 | } |
| 59 | } |
Shelley Chen | 467cce4 | 2018-03-07 14:22:28 -0800 | [diff] [blame] | 60 | |
| 61 | const char *smbios_mainboard_sku(void) |
| 62 | { |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 63 | static char sku_str[14]; /* sku{0..4294967295} */ |
Shelley Chen | 467cce4 | 2018-03-07 14:22:28 -0800 | [diff] [blame] | 64 | |
Zhuohao Lee | f7b5955 | 2018-03-17 05:00:49 +0800 | [diff] [blame] | 65 | snprintf(sku_str, sizeof(sku_str), "sku%u", variant_board_sku()); |
Shelley Chen | 467cce4 | 2018-03-07 14:22:28 -0800 | [diff] [blame] | 66 | |
| 67 | return sku_str; |
| 68 | } |
Furquan Shaikh | f5b7e80 | 2018-05-07 14:42:27 -0700 | [diff] [blame] | 69 | |
| 70 | #define OEM_UNKNOWN 0xff |
| 71 | |
| 72 | /* |
| 73 | * Read OEM ID from EC using cbi commands. |
| 74 | * Return value: |
| 75 | * Success = OEM ID read from EC |
| 76 | * Failure = OEM_UNKNOWN (0xff) |
| 77 | */ |
| 78 | static uint8_t read_oem_id(void) |
| 79 | { |
| 80 | static uint8_t oem_id = OEM_UNKNOWN; |
| 81 | uint32_t id; |
| 82 | |
| 83 | if (oem_id != OEM_UNKNOWN) |
| 84 | return oem_id; |
| 85 | |
| 86 | if (google_chromeec_cbi_get_oem_id(&id)) |
| 87 | return OEM_UNKNOWN; |
| 88 | |
| 89 | if (id > OEM_UNKNOWN) { |
| 90 | printk(BIOS_ERR, "%s: OEM ID too big %u!\n", __func__, id); |
| 91 | return OEM_UNKNOWN; |
| 92 | } |
| 93 | |
| 94 | oem_id = id; |
| 95 | printk(BIOS_DEBUG, "%s: OEM ID=%d\n", __func__, oem_id); |
| 96 | |
| 97 | return oem_id; |
| 98 | } |
| 99 | |
| 100 | /* "oem.bin" in cbfs contains array of records using the following structure. */ |
| 101 | struct oem_mapping { |
| 102 | uint8_t oem_id; |
| 103 | char oem_name[10]; |
| 104 | } __packed; |
| 105 | |
| 106 | /* Local buffer to read "oem.bin" */ |
| 107 | static char oem_bin_data[200]; |
| 108 | |
| 109 | const char *smbios_mainboard_manufacturer(void) |
| 110 | { |
| 111 | uint8_t oem_id = read_oem_id(); |
| 112 | const struct oem_mapping *oem_entry = (void *)&oem_bin_data; |
| 113 | size_t oem_data_size; |
| 114 | size_t curr = 0; |
| 115 | static const char *manuf; |
| 116 | |
| 117 | if (manuf) |
| 118 | return manuf; |
| 119 | |
| 120 | /* If OEM ID cannot be determined, return default manuf string. */ |
| 121 | if (oem_id == OEM_UNKNOWN) |
| 122 | return CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; |
| 123 | |
| 124 | oem_data_size = cbfs_boot_load_file("oem.bin", oem_bin_data, |
| 125 | sizeof(oem_bin_data), |
| 126 | CBFS_TYPE_RAW); |
| 127 | |
| 128 | while ((curr < oem_data_size) && |
| 129 | ((oem_data_size - curr) >= sizeof(*oem_entry))) { |
| 130 | if (oem_id == oem_entry->oem_id) { |
| 131 | manuf = oem_entry->oem_name; |
| 132 | break; |
| 133 | } |
| 134 | curr += sizeof(*oem_entry); |
| 135 | oem_entry++; |
| 136 | } |
| 137 | |
| 138 | if (manuf == NULL) |
| 139 | manuf = CONFIG_MAINBOARD_SMBIOS_MANUFACTURER; |
| 140 | |
| 141 | return manuf; |
| 142 | } |
Furquan Shaikh | c6141b9 | 2018-05-10 21:58:39 -0700 | [diff] [blame^] | 143 | |
| 144 | const char *mainboard_vbt_filename(void) |
| 145 | { |
| 146 | uint32_t sku_id = variant_board_sku(); |
| 147 | |
| 148 | switch (sku_id) { |
| 149 | default: |
| 150 | return "vbt.bin"; |
| 151 | break; |
| 152 | } |
| 153 | } |