1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2014-2016 Stefan Roese <sr@denx.de>
8 #include <debug_uart.h>
15 #include <asm/global_data.h>
17 #include <asm/arch/cpu.h>
18 #include <asm/arch/soc.h>
20 #if defined(CONFIG_SPL_SPI_FLASH_SUPPORT) || defined(CONFIG_SPL_MMC) || \
21 defined(CONFIG_SPL_SATA)
24 * When loading U-Boot via SPL from SPI NOR, CONFIG_SYS_SPI_U_BOOT_OFFS must
25 * point to the offset of kwbimage main header which is always at offset zero
26 * (defined by BootROM). Therefore other values of CONFIG_SYS_SPI_U_BOOT_OFFS
27 * makes U-Boot non-bootable.
29 #ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
30 #if defined(CONFIG_SYS_SPI_U_BOOT_OFFS) && CONFIG_SYS_SPI_U_BOOT_OFFS != 0
31 #error CONFIG_SYS_SPI_U_BOOT_OFFS must be set to 0
36 * When loading U-Boot via SPL from eMMC (in Marvell terminology SDIO), the
37 * kwbimage main header is stored at sector 0. U-Boot SPL needs to parse this
38 * header and figure out at which sector the U-Boot proper binary is stored.
39 * Partition booting is therefore not supported and CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR
40 * and CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET need to point to the
41 * kwbimage main header.
44 #ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
45 #error CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION is unsupported
47 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR) && CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR != 0
48 #error CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR must be set to 0
50 #if defined(CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET) && CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET != 0
51 #error CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_DATA_PART_OFFSET must be set to 0
56 * When loading U-Boot via SPL from SATA disk, the kwbimage main header is
57 * stored at sector 1. Therefore CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR must be
58 * set to 1. Otherwise U-Boot SPL would not be able to load U-Boot proper.
60 #ifdef CONFIG_SPL_SATA
61 #if !defined(CONFIG_SPL_SATA_RAW_U_BOOT_USE_SECTOR) || !defined(CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR) || CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR != 1
62 #error CONFIG_SPL_SATA_RAW_U_BOOT_SECTOR must be set to 1
66 /* Boot Type - block ID */
67 #define IBR_HDR_I2C_ID 0x4D
68 #define IBR_HDR_SPI_ID 0x5A
69 #define IBR_HDR_NAND_ID 0x8B
70 #define IBR_HDR_SATA_ID 0x78
71 #define IBR_HDR_PEX_ID 0x9C
72 #define IBR_HDR_UART_ID 0x69
73 #define IBR_HDR_SDIO_ID 0xAE
75 /* Structure of the main header, version 1 (Armada 370/XP/375/38x/39x) */
76 struct kwbimage_main_hdr_v1 {
77 uint8_t blockid; /* 0x0 */
78 uint8_t flags; /* 0x1 */
79 uint16_t nandpagesize; /* 0x2-0x3 */
80 uint32_t blocksize; /* 0x4-0x7 */
81 uint8_t version; /* 0x8 */
82 uint8_t headersz_msb; /* 0x9 */
83 uint16_t headersz_lsb; /* 0xA-0xB */
84 uint32_t srcaddr; /* 0xC-0xF */
85 uint32_t destaddr; /* 0x10-0x13 */
86 uint32_t execaddr; /* 0x14-0x17 */
87 uint8_t options; /* 0x18 */
88 uint8_t nandblocksize; /* 0x19 */
89 uint8_t nandbadblklocation; /* 0x1A */
90 uint8_t reserved4; /* 0x1B */
91 uint16_t reserved5; /* 0x1C-0x1D */
92 uint8_t ext; /* 0x1E */
93 uint8_t checksum; /* 0x1F */
97 u32 spl_mmc_boot_mode(const u32 boot_device)
99 return MMCSD_MODE_RAW;
103 int spl_parse_board_header(struct spl_image_info *spl_image,
104 const void *image_header, size_t size)
106 const struct kwbimage_main_hdr_v1 *mhdr = image_header;
108 if (size < sizeof(*mhdr)) {
109 /* This should be compile time assert */
110 printf("FATAL ERROR: Image header size is too small\n");
115 * Very basic check for image validity. We cannot check mhdr->checksum
116 * as it is calculated also from variable length extended headers
117 * (including SPL content) which is not included in U-Boot image_header.
119 if (mhdr->version != 1 ||
120 ((mhdr->headersz_msb << 16) | mhdr->headersz_lsb) < sizeof(*mhdr) ||
122 #ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
123 mhdr->blockid != IBR_HDR_SPI_ID &&
125 #ifdef CONFIG_SPL_SATA
126 mhdr->blockid != IBR_HDR_SATA_ID &&
128 #ifdef CONFIG_SPL_MMC
129 mhdr->blockid != IBR_HDR_SDIO_ID &&
133 printf("ERROR: Not valid SPI/NAND/SATA/SDIO kwbimage v1\n");
137 spl_image->offset = mhdr->srcaddr;
139 #ifdef CONFIG_SPL_SATA
141 * For SATA srcaddr is specified in number of sectors.
142 * The main header is must be stored at sector number 1.
143 * This expects that sector size is 512 bytes and recalculates
144 * data offset to bytes relative to the main header.
146 if (mhdr->blockid == IBR_HDR_SATA_ID) {
147 if (spl_image->offset < 1) {
148 printf("ERROR: Wrong SATA srcaddr in kwbimage\n");
151 spl_image->offset -= 1;
152 spl_image->offset *= 512;
156 #ifdef CONFIG_SPL_MMC
158 * For SDIO (eMMC) srcaddr is specified in number of sectors.
159 * This expects that sector size is 512 bytes and recalculates
160 * data offset to bytes.
162 if (mhdr->blockid == IBR_HDR_SDIO_ID)
163 spl_image->offset *= 512;
166 spl_image->size = mhdr->blocksize;
167 spl_image->entry_point = mhdr->execaddr;
168 spl_image->load_addr = mhdr->destaddr;
169 spl_image->os = IH_OS_U_BOOT;
170 spl_image->name = "U-Boot";
175 u32 spl_boot_device(void)
177 u32 boot_device = get_boot_device();
179 switch (boot_device) {
181 * Return to the BootROM to continue the Marvell xmodem
182 * UART boot protocol. As initiated by the kwboot tool.
184 * This can only be done by the BootROM since the beginning
185 * of the image is already read and interpreted by the BootROM.
186 * SPL has no chance to receive this information. So we
187 * need to return to the BootROM to enable this xmodem
188 * UART download. Use SPL infrastructure to return to BootROM.
190 case BOOT_DEVICE_UART:
191 return BOOT_DEVICE_BOOTROM;
194 * If SPL is compiled with chosen boot_device support
195 * then use SPL driver for loading U-Boot proper.
197 #ifdef CONFIG_SPL_MMC
198 case BOOT_DEVICE_MMC1:
199 return BOOT_DEVICE_MMC1;
201 #ifdef CONFIG_SPL_SATA
203 return BOOT_FROM_SATA;
205 #ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
206 case BOOT_DEVICE_SPI:
207 return BOOT_DEVICE_SPI;
211 * If SPL is not compiled with chosen boot_device support
212 * then return to the BootROM. BootROM supports loading
213 * U-Boot proper from any valid boot_device present in SAR
217 return BOOT_DEVICE_BOOTROM;
223 u32 spl_boot_device(void)
225 return BOOT_DEVICE_BOOTROM;
230 int board_return_to_bootrom(struct spl_image_info *spl_image,
231 struct spl_boot_device *bootdev)
233 u32 *regs = *(u32 **)CONFIG_SPL_BOOTROM_SAVE;
235 printf("Returning to BootROM (return address 0x%08x)...\n", regs[13]);
238 /* NOTREACHED - return_to_bootrom() does not return */
242 void board_init_f(ulong dummy)
247 * Pin muxing needs to be done before UART output, since
248 * on A38x the UART pins need some re-muxing for output
251 board_early_init_f();
253 /* Example code showing how to enable the debug UART on MVEBU */
256 * Debug UART can be used from here if required:
261 * printascii("string");
266 * Use special translation offset for SPL. This needs to be
267 * configured *before* spl_init() is called as this function
268 * calls dm_init() which calls the bind functions of the
269 * device drivers. Here the base address needs to be configured
270 * (translated) correctly.
272 gd->translation_offset = 0xd0000000 - 0xf1000000;
276 debug("spl_init() failed: %d\n", ret);
280 preloader_console_init();
284 /* Armada 375 does not support SerDes and DDR3 init yet */
285 #if !defined(CONFIG_ARMADA_375)
286 /* First init the serdes PHY's */
292 debug("ddr3_init() failed: %d\n", ret);
297 /* Initialize Auto Voltage Scaling */
300 /* Update read timing control for PCIe */