Mayank Grover | 1b6da5d | 2017-12-19 16:05:46 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2014,2017-2018 The Linux Foundation. All rights reserved. |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 2 | * |
| 3 | * Redistribution and use in source and binary forms, with or without |
| 4 | * modification, are permitted provided that the following conditions are |
| 5 | * met: |
| 6 | * * Redistributions of source code must retain the above copyright |
| 7 | * notice, this list of conditions and the following disclaimer. |
| 8 | * * Redistributions in binary form must reproduce the above |
| 9 | * copyright notice, this list of conditions and the following |
| 10 | * disclaimer in the documentation and/or other materials provided |
| 11 | * with the distribution. |
| 12 | * * Neither the name of The Linux Foundation nor the names of its |
| 13 | * contributors may be used to endorse or promote products derived |
| 14 | * from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| 20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| 23 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 24 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| 25 | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| 26 | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #include <debug.h> |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 30 | #include <list.h> |
Mayank Grover | 1b6da5d | 2017-12-19 16:05:46 +0530 | [diff] [blame] | 31 | #include <bits.h> |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 32 | |
| 33 | #ifndef __DEVICE_TREE__ |
| 34 | #define __DEVICE_TREE__ |
| 35 | |
| 36 | #define DEV_TREE_SUCCESS 0 |
| 37 | #define DEV_TREE_MAGIC 0x54444351 /* "QCDT" */ |
| 38 | #define DEV_TREE_MAGIC_LEN 4 |
Joel King | aa335dc | 2013-06-03 16:11:08 -0700 | [diff] [blame] | 39 | #define DEV_TREE_VERSION_V1 1 |
| 40 | #define DEV_TREE_VERSION_V2 2 |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 41 | #define DEV_TREE_VERSION_V3 3 |
| 42 | |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 43 | #define DEV_TREE_HEADER_SIZE 12 |
| 44 | |
Channagoud Kadabi | 11682e9 | 2013-02-28 11:21:46 -0800 | [diff] [blame] | 45 | #define DTB_MAGIC 0xedfe0dd0 |
| 46 | #define DTB_OFFSET 0x2C |
| 47 | |
Dima Zavin | 77e41f3 | 2013-03-06 16:10:43 -0800 | [diff] [blame] | 48 | #define DTB_PAD_SIZE 1024 |
Mayank Grover | 1b6da5d | 2017-12-19 16:05:46 +0530 | [diff] [blame] | 49 | #define DTBO_TABLE_MAGIC 0xD7B7AB1E |
| 50 | #define DTBO_CUSTOM_MAX 4 |
| 51 | #define PLATFORM_FOUNDRY_SHIFT 16 |
| 52 | #define SOC_MASK (0xffff) |
| 53 | #define VARIANT_MASK (0x000000ff) |
| 54 | #define VARIANT_MINOR_MASK (0x0000ff00) |
| 55 | #define VARIANT_MAJOR_MASK (0x00ff0000) |
| 56 | #define PMIC_MODEL_MASK (0x000000ff) |
| 57 | #define PMIC_REV_MASK (0xffffff00) |
| 58 | #define PMIC_SHIFT_IDX (2) |
| 59 | #define PLATFORM_SUBTYPE_SHIFT_ID (0x18) |
| 60 | #define FOUNDRY_ID_MASK (0x00ff0000) |
| 61 | #define DTBO_IMG_BUF (8388608) /* 8MB 8 * 1024 * 1024 */ |
Channagoud Kadabi | a4dbe33 | 2013-09-05 17:44:11 -0700 | [diff] [blame] | 62 | /* |
| 63 | * For DTB V1: The DTB entries would be of the format |
| 64 | * qcom,msm-id = <msm8974, CDP, rev_1>; (3 * sizeof(uint32_t)) |
| 65 | * For DTB V2: The DTB entries would be of the format |
| 66 | * qcom,msm-id = <msm8974, rev_1>; (2 * sizeof(uint32_t)) |
| 67 | * qcom,board-id = <CDP, subtype_ID>; (2 * sizeof(uint32_t)) |
| 68 | * The macros below are defined based on these. |
| 69 | */ |
| 70 | #define DT_ENTRY_V1_SIZE 0xC |
| 71 | #define PLAT_ID_SIZE 0x8 |
| 72 | #define BOARD_ID_SIZE 0x8 |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 73 | #define PMIC_ID_SIZE 0x8 |
| 74 | |
Mayank Grover | 1b6da5d | 2017-12-19 16:05:46 +0530 | [diff] [blame] | 75 | typedef enum { |
| 76 | NONE_MATCH, |
| 77 | PMIC_MATCH_BEST_REV_IDX0, |
| 78 | PMIC_MATCH_EXACT_REV_IDX0, |
| 79 | PMIC_MATCH_BEST_REV_IDX1, |
| 80 | PMIC_MATCH_EXACT_REV_IDX1, |
| 81 | PMIC_MATCH_BEST_REV_IDX2, |
| 82 | PMIC_MATCH_EXACT_REV_IDX2, |
| 83 | PMIC_MATCH_BEST_REV_IDX3, |
| 84 | PMIC_MATCH_EXACT_REV_IDX3, |
| 85 | VARIANT_MINOR_BEST_MATCH, |
| 86 | VARIANT_MINOR_EXACT_MATCH, |
| 87 | VARIANT_MAJOR_BEST_MATCH, |
| 88 | VARIANT_MAJOR_EXACT_MATCH, |
| 89 | VERSION_BEST_MATCH, |
| 90 | VERSION_EXACT_MATCH, |
| 91 | FOUNDRYID_DEFAULT_MATCH, |
| 92 | FOUNDRYID_EXACT_MATCH, |
| 93 | PMIC_MATCH_DEFAULT_MODEL_IDX0, |
| 94 | PMIC_MATCH_EXACT_MODEL_IDX0, |
| 95 | PMIC_MATCH_DEFAULT_MODEL_IDX1, |
| 96 | PMIC_MATCH_EXACT_MODEL_IDX1, |
| 97 | PMIC_MATCH_DEFAULT_MODEL_IDX2, |
| 98 | PMIC_MATCH_EXACT_MODEL_IDX2, |
| 99 | PMIC_MATCH_DEFAULT_MODEL_IDX3, |
| 100 | PMIC_MATCH_EXACT_MODEL_IDX3, |
| 101 | SUBTYPE_DEFAULT_MATCH, |
| 102 | SUBTYPE_EXACT_MATCH, |
| 103 | VARIANT_MATCH, |
| 104 | SOC_MATCH, |
| 105 | MAX_MATCH, |
| 106 | }dt_match_params; |
| 107 | |
| 108 | #define TOTAL_MATCH_BITS 6 |
| 109 | #define ALL_BITS_SET (BIT (SOC_MATCH) | BIT (VARIANT_MATCH) | \ |
| 110 | BIT (SUBTYPE_EXACT_MATCH) | BIT (FOUNDRYID_EXACT_MATCH) \ |
| 111 | | BIT (PMIC_MATCH_EXACT_MODEL_IDX0) | \ |
| 112 | BIT (PMIC_MATCH_EXACT_MODEL_IDX1)) |
| 113 | |
| 114 | typedef enum { |
| 115 | PMIC_IDX0, |
| 116 | PMIC_IDX1, |
| 117 | PMIC_IDX2, |
| 118 | PMIC_IDX3, |
| 119 | MAX_PMIC_IDX, |
| 120 | }pmic_indexes; |
| 121 | |
| 122 | |
| 123 | typedef struct dt_info |
| 124 | { |
| 125 | uint32_t dt_platform_id; |
| 126 | uint32_t dt_soc_rev; |
| 127 | uint32_t dt_foundry_id; |
| 128 | uint32_t dt_variant_id; |
| 129 | uint32_t dt_variant_major; |
| 130 | uint32_t dt_variant_minor; |
| 131 | uint32_t dt_platform_subtype; |
| 132 | uint32_t dt_pmic_model[MAX_PMIC_IDX]; |
| 133 | uint32_t dt_pmic_rev[MAX_PMIC_IDX]; |
| 134 | uint32_t dt_match_val; |
| 135 | void *dtb; |
| 136 | }dt_info; |
| 137 | |
| 138 | typedef struct pmic_info |
| 139 | { |
| 140 | uint32_t dt_pmic_model[MAX_PMIC_IDX]; |
| 141 | uint32_t dt_pmic_rev[MAX_PMIC_IDX]; |
| 142 | uint32_t dt_match_val; |
| 143 | }pmic_info; |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 144 | |
| 145 | struct dt_entry_v2 |
| 146 | { |
| 147 | uint32_t platform_id; |
| 148 | uint32_t variant_id; |
| 149 | uint32_t board_hw_subtype; |
| 150 | uint32_t soc_rev; |
| 151 | uint32_t offset; |
| 152 | uint32_t size; |
| 153 | }; |
Channagoud Kadabi | a4dbe33 | 2013-09-05 17:44:11 -0700 | [diff] [blame] | 154 | |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 155 | struct dt_entry |
| 156 | { |
| 157 | uint32_t platform_id; |
| 158 | uint32_t variant_id; |
Joel King | aa335dc | 2013-06-03 16:11:08 -0700 | [diff] [blame] | 159 | uint32_t board_hw_subtype; |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 160 | uint32_t soc_rev; |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 161 | uint32_t pmic_rev[4]; |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 162 | uint32_t offset; |
| 163 | uint32_t size; |
| 164 | }; |
| 165 | |
| 166 | struct dt_table |
| 167 | { |
| 168 | uint32_t magic; |
| 169 | uint32_t version; |
| 170 | uint32_t num_entries; |
| 171 | }; |
| 172 | |
Channagoud Kadabi | a4dbe33 | 2013-09-05 17:44:11 -0700 | [diff] [blame] | 173 | struct plat_id |
| 174 | { |
| 175 | uint32_t platform_id; |
| 176 | uint32_t soc_rev; |
| 177 | }; |
| 178 | |
| 179 | struct board_id |
| 180 | { |
| 181 | uint32_t variant_id; |
| 182 | uint32_t platform_subtype; |
| 183 | }; |
| 184 | |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 185 | struct pmic_id |
| 186 | { |
| 187 | uint32_t pmic_version[4]; |
| 188 | }; |
| 189 | |
Sundarajan Srinivasan | 44de434 | 2013-07-08 14:47:13 -0700 | [diff] [blame] | 190 | struct dt_mem_node_info |
| 191 | { |
| 192 | uint32_t offset; |
| 193 | uint32_t mem_info_cnt; |
| 194 | uint32_t addr_cell_size; |
| 195 | uint32_t size_cell_size; |
| 196 | }; |
| 197 | |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 198 | enum dt_entry_info |
| 199 | { |
| 200 | DTB_FOUNDRY = 0, |
| 201 | DTB_SOC, |
| 202 | DTB_MAJOR_MINOR, |
| 203 | DTB_PMIC0, |
| 204 | DTB_PMIC1, |
| 205 | DTB_PMIC2, |
| 206 | DTB_PMIC3, |
| 207 | DTB_PMIC_MODEL, |
Lijuan Gao | f8e9572 | 2014-12-23 03:03:12 -0500 | [diff] [blame] | 208 | DTB_PANEL_TYPE, |
| 209 | DTB_BOOT_DEVICE, |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 210 | }; |
| 211 | |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 212 | enum dt_err_codes |
| 213 | { |
| 214 | DT_OP_SUCCESS, |
| 215 | DT_OP_FAILURE = -1, |
| 216 | }; |
| 217 | |
Lijuan Gao | 9f15286 | 2014-08-18 13:45:24 +0800 | [diff] [blame] | 218 | typedef struct dt_entry_node { |
| 219 | struct list_node node; |
| 220 | struct dt_entry * dt_entry_m; |
| 221 | }dt_node; |
Sundarajan Srinivasan | 763c0db | 2014-05-20 17:08:36 -0700 | [diff] [blame] | 222 | |
Mayank Grover | 1b6da5d | 2017-12-19 16:05:46 +0530 | [diff] [blame] | 223 | struct dtbo_table_hdr { |
| 224 | uint32_t magic; //dtb table magic |
| 225 | uint32_t total_size; //Includes dt_table_hdr + all dt_table_entry and all dtb/dtbo |
| 226 | uint32_t hdr_size; //sizeof(dt_table_hdr) |
| 227 | uint32_t dt_entry_size; //sizeof(dt_table_entry) |
| 228 | uint32_t dt_entry_count; //number of dt_table_entry |
| 229 | uint32_t dt_entry_offset; //offset to the first dt_table_entry |
| 230 | uint32_t page_size; //flash pagesize we assume |
| 231 | uint32_t reserved[1]; //must zeros |
| 232 | }; |
| 233 | |
| 234 | struct dtbo_table_entry { |
| 235 | uint32_t dt_size; |
| 236 | uint32_t dt_offset; //offset from head of dt_table_hdr |
| 237 | uint32_t id; //optional, must zero if unused |
| 238 | uint32_t revision; //optional, must zero if unused |
| 239 | uint32_t custom[DTBO_CUSTOM_MAX]; //optional, must zero if unused |
| 240 | }; |
| 241 | |
Deepa Dinamani | 8725295 | 2013-09-09 13:58:27 -0700 | [diff] [blame] | 242 | int dev_tree_validate(struct dt_table *table, unsigned int page_size, uint32_t *dt_hdr_size); |
Joel King | aa335dc | 2013-06-03 16:11:08 -0700 | [diff] [blame] | 243 | int dev_tree_get_entry_info(struct dt_table *table, struct dt_entry *dt_entry_info); |
Sundarajan Srinivasan | 44de434 | 2013-07-08 14:47:13 -0700 | [diff] [blame] | 244 | int update_device_tree(void *fdt, const char *, void *, unsigned); |
| 245 | int dev_tree_add_mem_info(void *fdt, uint32_t offset, uint64_t size, uint64_t addr); |
Matthew Qin | bb7923d | 2015-02-09 10:56:09 +0800 | [diff] [blame] | 246 | void *dev_tree_appended(void *kernel, uint32_t kernel_size, uint32_t dtb_offset, void *tags); |
lijuang | 0cce8bf | 2018-08-23 10:56:42 +0800 | [diff] [blame^] | 247 | int get_dtbo_idx (void); |
Deepa Dinamani | 28c0ffe | 2012-09-24 11:45:21 -0700 | [diff] [blame] | 248 | #endif |