Pankaj Gupta | ba97e05 | 2020-12-09 14:02:40 +0530 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-2020 NXP |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #include <assert.h> |
| 9 | #include <string.h> |
| 10 | |
| 11 | #include <io_block.h> |
| 12 | #include <io_driver.h> |
| 13 | #include <io_fip.h> |
| 14 | #include <io_memmap.h> |
| 15 | #include <io_storage.h> |
| 16 | #include <lib/utils.h> |
| 17 | #include <tools_share/firmware_image_package.h> |
| 18 | #include "ddr_io_storage.h" |
| 19 | #include "plat_common.h" |
| 20 | #include "platform_def.h" |
| 21 | |
| 22 | |
| 23 | /* TBD - Move these defined to the platform_def.h file. |
| 24 | * Keeping them for reference here |
| 25 | */ |
| 26 | extern uintptr_t backend_dev_handle; |
| 27 | |
| 28 | static uint32_t ddr_fip; |
| 29 | |
| 30 | static uintptr_t ddr_fip_dev_handle; |
| 31 | |
| 32 | static io_block_spec_t ddr_fip_block_spec = { |
| 33 | .offset = PLAT_DDR_FIP_OFFSET, |
| 34 | .length = PLAT_DDR_FIP_MAX_SIZE |
| 35 | }; |
| 36 | |
| 37 | static const io_uuid_spec_t ddr_imem_udimm_1d_uuid_spec = { |
| 38 | .uuid = UUID_DDR_IMEM_UDIMM_1D, |
| 39 | }; |
| 40 | |
| 41 | static const io_uuid_spec_t ddr_imem_udimm_2d_uuid_spec = { |
| 42 | .uuid = UUID_DDR_IMEM_UDIMM_2D, |
| 43 | }; |
| 44 | |
| 45 | static const io_uuid_spec_t ddr_dmem_udimm_1d_uuid_spec = { |
| 46 | .uuid = UUID_DDR_DMEM_UDIMM_1D, |
| 47 | }; |
| 48 | |
| 49 | static const io_uuid_spec_t ddr_dmem_udimm_2d_uuid_spec = { |
| 50 | .uuid = UUID_DDR_DMEM_UDIMM_2D, |
| 51 | }; |
| 52 | |
| 53 | static const io_uuid_spec_t ddr_imem_rdimm_1d_uuid_spec = { |
| 54 | .uuid = UUID_DDR_IMEM_RDIMM_1D, |
| 55 | }; |
| 56 | |
| 57 | static const io_uuid_spec_t ddr_imem_rdimm_2d_uuid_spec = { |
| 58 | .uuid = UUID_DDR_IMEM_RDIMM_2D, |
| 59 | }; |
| 60 | |
| 61 | static const io_uuid_spec_t ddr_dmem_rdimm_1d_uuid_spec = { |
| 62 | .uuid = UUID_DDR_DMEM_RDIMM_1D, |
| 63 | }; |
| 64 | |
| 65 | static const io_uuid_spec_t ddr_dmem_rdimm_2d_uuid_spec = { |
| 66 | .uuid = UUID_DDR_DMEM_RDIMM_2D, |
| 67 | }; |
| 68 | |
| 69 | #if TRUSTED_BOARD_BOOT |
| 70 | static const io_uuid_spec_t ddr_fw_key_cert_uuid_spec = { |
| 71 | .uuid = UUID_DDR_FW_KEY_CERT, |
| 72 | }; |
| 73 | static const io_uuid_spec_t ddr_udimm_fw_cert_uuid_spec = { |
| 74 | .uuid = UUID_DDR_UDIMM_FW_CONTENT_CERT, |
| 75 | }; |
| 76 | static const io_uuid_spec_t ddr_rdimm_fw_cert_uuid_spec = { |
| 77 | .uuid = UUID_DDR_RDIMM_FW_CONTENT_CERT, |
| 78 | }; |
| 79 | #endif |
| 80 | |
| 81 | static int open_ddr_fip(const uintptr_t spec); |
| 82 | |
| 83 | struct plat_io_policy { |
| 84 | uintptr_t *dev_handle; |
| 85 | uintptr_t image_spec; |
| 86 | int (*check)(const uintptr_t spec); |
| 87 | }; |
| 88 | |
| 89 | /* By default, ARM platforms load images from the FIP */ |
| 90 | static const struct plat_io_policy ddr_policies[] = { |
| 91 | [DDR_FIP_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 92 | &backend_dev_handle, |
| 93 | (uintptr_t)&ddr_fip_block_spec, |
| 94 | NULL |
| 95 | }, |
| 96 | [DDR_IMEM_UDIMM_1D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 97 | &ddr_fip_dev_handle, |
| 98 | (uintptr_t)&ddr_imem_udimm_1d_uuid_spec, |
| 99 | open_ddr_fip |
| 100 | }, |
| 101 | [DDR_IMEM_UDIMM_2D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 102 | &ddr_fip_dev_handle, |
| 103 | (uintptr_t)&ddr_imem_udimm_2d_uuid_spec, |
| 104 | open_ddr_fip |
| 105 | }, |
| 106 | [DDR_DMEM_UDIMM_1D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 107 | &ddr_fip_dev_handle, |
| 108 | (uintptr_t)&ddr_dmem_udimm_1d_uuid_spec, |
| 109 | open_ddr_fip |
| 110 | }, |
| 111 | [DDR_DMEM_UDIMM_2D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 112 | &ddr_fip_dev_handle, |
| 113 | (uintptr_t)&ddr_dmem_udimm_2d_uuid_spec, |
| 114 | open_ddr_fip |
| 115 | }, |
| 116 | [DDR_IMEM_RDIMM_1D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 117 | &ddr_fip_dev_handle, |
| 118 | (uintptr_t)&ddr_imem_rdimm_1d_uuid_spec, |
| 119 | open_ddr_fip |
| 120 | }, |
| 121 | [DDR_IMEM_RDIMM_2D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 122 | &ddr_fip_dev_handle, |
| 123 | (uintptr_t)&ddr_imem_rdimm_2d_uuid_spec, |
| 124 | open_ddr_fip |
| 125 | }, |
| 126 | [DDR_DMEM_RDIMM_1D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 127 | &ddr_fip_dev_handle, |
| 128 | (uintptr_t)&ddr_dmem_rdimm_1d_uuid_spec, |
| 129 | open_ddr_fip |
| 130 | }, |
| 131 | [DDR_DMEM_RDIMM_2D_IMAGE_ID - DDR_FIP_IMAGE_ID] = { |
| 132 | &ddr_fip_dev_handle, |
| 133 | (uintptr_t)&ddr_dmem_rdimm_2d_uuid_spec, |
| 134 | open_ddr_fip |
| 135 | }, |
| 136 | #if TRUSTED_BOARD_BOOT |
| 137 | [DDR_FW_KEY_CERT_ID - DDR_FIP_IMAGE_ID] = { |
| 138 | &ddr_fip_dev_handle, |
| 139 | (uintptr_t)&ddr_fw_key_cert_uuid_spec, |
| 140 | open_ddr_fip |
| 141 | }, |
| 142 | [DDR_UDIMM_FW_CONTENT_CERT_ID - DDR_FIP_IMAGE_ID] = { |
| 143 | &ddr_fip_dev_handle, |
| 144 | (uintptr_t)&ddr_udimm_fw_cert_uuid_spec, |
| 145 | open_ddr_fip |
| 146 | }, |
| 147 | [DDR_RDIMM_FW_CONTENT_CERT_ID - DDR_FIP_IMAGE_ID] = { |
| 148 | &ddr_fip_dev_handle, |
| 149 | (uintptr_t)&ddr_rdimm_fw_cert_uuid_spec, |
| 150 | open_ddr_fip |
| 151 | }, |
| 152 | #endif |
| 153 | }; |
| 154 | |
| 155 | static int open_ddr_fip(const uintptr_t spec) |
| 156 | { |
| 157 | int result; |
| 158 | uintptr_t local_image_handle; |
| 159 | |
| 160 | /* See if a Firmware Image Package is available */ |
| 161 | result = io_dev_init(ddr_fip_dev_handle, (uintptr_t)DDR_FIP_IMAGE_ID); |
| 162 | if (result == 0) { |
| 163 | result = io_open(ddr_fip_dev_handle, spec, &local_image_handle); |
| 164 | if (result == 0) { |
| 165 | VERBOSE("Using FIP\n"); |
| 166 | io_close(local_image_handle); |
| 167 | } |
| 168 | } |
| 169 | return result; |
| 170 | } |
| 171 | |
| 172 | /* The image can be one of the DDR PHY images, which can be sleected via DDR |
| 173 | * policies |
| 174 | */ |
| 175 | int plat_get_ddr_fip_image_source(unsigned int image_id, uintptr_t *dev_handle, |
| 176 | uintptr_t *image_spec, |
| 177 | int (*check)(const uintptr_t spec)) |
| 178 | { |
| 179 | int result = -1; |
| 180 | const struct plat_io_policy *policy; |
| 181 | |
| 182 | if (image_id >= (DDR_FIP_IMAGE_ID + ARRAY_SIZE(ddr_policies))) { |
| 183 | return result; |
| 184 | } |
| 185 | |
| 186 | policy = &ddr_policies[image_id - DDR_FIP_IMAGE_ID]; |
| 187 | if (image_id == DDR_FIP_IMAGE_ID) { |
| 188 | result = check(policy->image_spec); |
| 189 | } else { |
| 190 | result = policy->check(policy->image_spec); |
| 191 | } |
| 192 | if (result == 0) { |
| 193 | *image_spec = policy->image_spec; |
| 194 | *dev_handle = *(policy->dev_handle); |
| 195 | } |
| 196 | return result; |
| 197 | } |
| 198 | |
| 199 | int ddr_fip_setup(const io_dev_connector_t *fip_dev_con, unsigned int boot_dev) |
| 200 | { |
| 201 | int io_result; |
| 202 | size_t ddr_fip_offset = PLAT_DDR_FIP_OFFSET; |
| 203 | |
| 204 | /* Open connections to ddr fip and cache the handles */ |
| 205 | io_result = io_dev_open(fip_dev_con, (uintptr_t)&ddr_fip, |
| 206 | &ddr_fip_dev_handle); |
| 207 | assert(io_result == 0); |
| 208 | |
| 209 | switch (boot_dev) { |
| 210 | #if QSPI_BOOT |
| 211 | case BOOT_DEVICE_QSPI: |
| 212 | ddr_fip_offset += NXP_QSPI_FLASH_ADDR; |
| 213 | break; |
| 214 | #endif |
| 215 | #if NOR_BOOT |
| 216 | case BOOT_DEVICE_IFC_NOR: |
| 217 | ddr_fip_offset += NXP_NOR_FLASH_ADDR; |
| 218 | break; |
| 219 | #endif |
| 220 | #if FLEXSPI_NOR_BOOT |
| 221 | case BOOT_DEVICE_FLEXSPI_NOR: |
| 222 | ddr_fip_offset += NXP_FLEXSPI_FLASH_ADDR; |
| 223 | break; |
| 224 | #endif |
| 225 | default: |
| 226 | break; |
| 227 | } |
| 228 | |
| 229 | ddr_fip_block_spec.offset = ddr_fip_offset; |
| 230 | |
| 231 | return io_result; |
| 232 | } |