Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2011 OMICRON electronics GmbH |
| 4 | * |
Miquel Raynal | a430fa0 | 2018-08-16 17:30:07 +0200 | [diff] [blame] | 5 | * based on drivers/mtd/nand/raw/nand_spl_load.c |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 6 | * |
| 7 | * Copyright (C) 2011 |
| 8 | * Heiko Schocher, DENX Software Engineering, hs@denx.de. |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 9 | */ |
| 10 | |
| 11 | #include <common.h> |
Simon Glass | 4d72caa | 2020-05-10 11:40:01 -0600 | [diff] [blame^] | 12 | #include <image.h> |
Simon Glass | ff0960f | 2014-10-13 23:42:04 -0600 | [diff] [blame] | 13 | #include <spi.h> |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 14 | #include <spi_flash.h> |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 15 | #include <errno.h> |
Tom Rini | a4cc1c4 | 2012-08-14 14:34:10 -0700 | [diff] [blame] | 16 | #include <spl.h> |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 17 | |
Philipp Tomsich | 2bac55b | 2017-04-17 17:45:11 +0200 | [diff] [blame] | 18 | DECLARE_GLOBAL_DATA_PTR; |
| 19 | |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 20 | #ifdef CONFIG_SPL_OS_BOOT |
| 21 | /* |
| 22 | * Load the kernel, check for a valid header we can parse, and if found load |
| 23 | * the kernel and then device tree. |
| 24 | */ |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 25 | static int spi_load_image_os(struct spl_image_info *spl_image, |
| 26 | struct spi_flash *flash, |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 27 | struct image_header *header) |
| 28 | { |
Marek Vasut | 7e0f226 | 2016-04-29 00:44:54 +0200 | [diff] [blame] | 29 | int err; |
| 30 | |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 31 | /* Read for a header, parse or error out. */ |
Michal Simek | 51c1231 | 2018-10-04 09:30:20 +0200 | [diff] [blame] | 32 | spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, sizeof(*header), |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 33 | (void *)header); |
| 34 | |
| 35 | if (image_get_magic(header) != IH_MAGIC) |
| 36 | return -1; |
| 37 | |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 38 | err = spl_parse_image_header(spl_image, header); |
Marek Vasut | 7e0f226 | 2016-04-29 00:44:54 +0200 | [diff] [blame] | 39 | if (err) |
| 40 | return err; |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 41 | |
| 42 | spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 43 | spl_image->size, (void *)spl_image->load_addr); |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 44 | |
| 45 | /* Read device tree. */ |
| 46 | spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS, |
| 47 | CONFIG_SYS_SPI_ARGS_SIZE, |
| 48 | (void *)CONFIG_SYS_SPL_ARGS_ADDR); |
| 49 | |
| 50 | return 0; |
| 51 | } |
| 52 | #endif |
| 53 | |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 54 | static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector, |
| 55 | ulong count, void *buf) |
| 56 | { |
| 57 | struct spi_flash *flash = load->dev; |
| 58 | ulong ret; |
| 59 | |
| 60 | ret = spi_flash_read(flash, sector, count, buf); |
| 61 | if (!ret) |
| 62 | return count; |
| 63 | else |
| 64 | return 0; |
| 65 | } |
Peng Fan | ec64933 | 2019-09-23 10:18:41 +0800 | [diff] [blame] | 66 | |
| 67 | unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash) |
| 68 | { |
| 69 | return CONFIG_SYS_SPI_U_BOOT_OFFS; |
| 70 | } |
| 71 | |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 72 | /* |
| 73 | * The main entry for SPI booting. It's necessary that SDRAM is already |
| 74 | * configured and available since this code loads the main U-Boot image |
| 75 | * from SPI into SDRAM and starts it from there. |
| 76 | */ |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 77 | static int spl_spi_load_image(struct spl_image_info *spl_image, |
| 78 | struct spl_boot_device *bootdev) |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 79 | { |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 80 | int err = 0; |
Peng Fan | ec64933 | 2019-09-23 10:18:41 +0800 | [diff] [blame] | 81 | unsigned int payload_offs; |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 82 | struct spi_flash *flash; |
Tom Rini | a4cc1c4 | 2012-08-14 14:34:10 -0700 | [diff] [blame] | 83 | struct image_header *header; |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 84 | |
| 85 | /* |
| 86 | * Load U-Boot image from SPI flash into RAM |
Patrick Delaunay | b0cc1b8 | 2019-02-27 15:36:44 +0100 | [diff] [blame] | 87 | * In DM mode: defaults speed and mode will be |
| 88 | * taken from DT when available |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 89 | */ |
| 90 | |
Nikita Kiryanov | 88e34e5 | 2014-08-20 15:08:48 +0300 | [diff] [blame] | 91 | flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS, |
| 92 | CONFIG_SF_DEFAULT_CS, |
| 93 | CONFIG_SF_DEFAULT_SPEED, |
| 94 | CONFIG_SF_DEFAULT_MODE); |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 95 | if (!flash) { |
Tom Rini | a4cc1c4 | 2012-08-14 14:34:10 -0700 | [diff] [blame] | 96 | puts("SPI probe failed.\n"); |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 97 | return -ENODEV; |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 98 | } |
| 99 | |
Peng Fan | ec64933 | 2019-09-23 10:18:41 +0800 | [diff] [blame] | 100 | payload_offs = spl_spi_get_uboot_offs(flash); |
| 101 | |
Michal Simek | 51c1231 | 2018-10-04 09:30:20 +0200 | [diff] [blame] | 102 | header = spl_get_load_buffer(-sizeof(*header), sizeof(*header)); |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 103 | |
Philipp Tomsich | 2bac55b | 2017-04-17 17:45:11 +0200 | [diff] [blame] | 104 | #if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) |
| 105 | payload_offs = fdtdec_get_config_int(gd->fdt_blob, |
| 106 | "u-boot,spl-payload-offset", |
| 107 | payload_offs); |
| 108 | #endif |
| 109 | |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 110 | #ifdef CONFIG_SPL_OS_BOOT |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 111 | if (spl_start_uboot() || spi_load_image_os(spl_image, flash, header)) |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 112 | #endif |
| 113 | { |
| 114 | /* Load u-boot, mkimage header is 64 bytes. */ |
Michal Simek | 51c1231 | 2018-10-04 09:30:20 +0200 | [diff] [blame] | 115 | err = spi_flash_read(flash, payload_offs, sizeof(*header), |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 116 | (void *)header); |
Simon Glass | a704490 | 2017-01-16 07:03:27 -0700 | [diff] [blame] | 117 | if (err) { |
| 118 | debug("%s: Failed to read from SPI flash (err=%d)\n", |
| 119 | __func__, err); |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 120 | return err; |
Simon Glass | a704490 | 2017-01-16 07:03:27 -0700 | [diff] [blame] | 121 | } |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 122 | |
Marek Vasut | 26ad648 | 2018-05-31 17:59:29 +0200 | [diff] [blame] | 123 | if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL) && |
| 124 | image_get_magic(header) == FDT_MAGIC) { |
| 125 | err = spi_flash_read(flash, payload_offs, |
| 126 | roundup(fdt_totalsize(header), 4), |
| 127 | (void *)CONFIG_SYS_LOAD_ADDR); |
| 128 | if (err) |
| 129 | return err; |
| 130 | err = spl_parse_image_header(spl_image, |
| 131 | (struct image_header *)CONFIG_SYS_LOAD_ADDR); |
| 132 | } else if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && |
| 133 | image_get_magic(header) == FDT_MAGIC) { |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 134 | struct spl_load_info load; |
| 135 | |
| 136 | debug("Found FIT\n"); |
| 137 | load.dev = flash; |
| 138 | load.priv = NULL; |
| 139 | load.filename = NULL; |
| 140 | load.bl_len = 1; |
| 141 | load.read = spl_spi_fit_read; |
Simon Glass | f4d7d85 | 2016-09-24 18:20:16 -0600 | [diff] [blame] | 142 | err = spl_load_simple_fit(spl_image, &load, |
Philipp Tomsich | 2bac55b | 2017-04-17 17:45:11 +0200 | [diff] [blame] | 143 | payload_offs, |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 144 | header); |
Peng Fan | d9bd2f4 | 2019-09-23 10:18:47 +0800 | [diff] [blame] | 145 | } else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) { |
| 146 | struct spl_load_info load; |
| 147 | |
| 148 | load.dev = flash; |
| 149 | load.priv = NULL; |
| 150 | load.filename = NULL; |
| 151 | load.bl_len = 1; |
| 152 | load.read = spl_spi_fit_read; |
| 153 | |
| 154 | err = spl_load_imx_container(spl_image, &load, |
| 155 | payload_offs); |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 156 | } else { |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 157 | err = spl_parse_image_header(spl_image, header); |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 158 | if (err) |
| 159 | return err; |
Philipp Tomsich | 2bac55b | 2017-04-17 17:45:11 +0200 | [diff] [blame] | 160 | err = spi_flash_read(flash, payload_offs, |
Simon Glass | 2a2ee2a | 2016-09-24 18:20:13 -0600 | [diff] [blame] | 161 | spl_image->size, |
| 162 | (void *)spl_image->load_addr); |
Lokesh Vutla | 00d5595 | 2016-05-24 10:34:40 +0530 | [diff] [blame] | 163 | } |
Tom Rini | fa1a73f | 2014-04-03 07:52:55 -0400 | [diff] [blame] | 164 | } |
Nikita Kiryanov | 36afd45 | 2015-11-08 17:11:49 +0200 | [diff] [blame] | 165 | |
| 166 | return err; |
Christian Riesch | 32b1127 | 2011-12-09 09:47:35 +0000 | [diff] [blame] | 167 | } |
Simon Glass | 139db7a | 2016-09-24 18:20:09 -0600 | [diff] [blame] | 168 | /* Use priorty 1 so that boards can override this */ |
Simon Glass | ebc4ef6 | 2016-11-30 15:30:50 -0700 | [diff] [blame] | 169 | SPL_LOAD_IMAGE_METHOD("SPI", 1, BOOT_DEVICE_SPI, spl_spi_load_image); |