// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2011 OMICRON electronics GmbH * * based on drivers/mtd/nand/raw/nand_spl_load.c * * Copyright (C) 2011 * Heiko Schocher, DENX Software Engineering, hs@denx.de. */ #include #include #include #include #include #include #include #include #include #ifdef CONFIG_AUTO_CALCULATE_PART_CONFIG #include #endif #ifdef CONFIG_VIDEO_ARTINCHIP #include #include #include #endif DECLARE_GLOBAL_DATA_PTR; static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector, ulong count, void *buf) { struct spi_flash *flash = load->dev; ulong ret; ret = spi_flash_read(flash, sector, count, buf); if (!ret) return count; else return 0; } unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash) { return CONFIG_SYS_SPI_U_BOOT_OFFS; } #ifdef CONFIG_SPL_OS_BOOT #ifdef CONFIG_VIDEO_ARTINCHIP static int spi_flash_read_logo(struct spi_flash *flash, const char *name) { unsigned char *fit, *dst; size_t data_size; const void *data; struct udevice *dev; int noffset, ret; ret = uclass_first_device(UCLASS_VIDEO, &dev); if (ret) { pr_err("Failed to find aicfb udevice\n"); return ret; } fit = memalign(DECODE_ALIGN, LOGO_MAX_SIZE); if (!fit) { pr_err("Failed to malloc for logo image!\n"); return -ENOMEM; } spi_flash_read(flash, CONFIG_LOGO_PART_OFFSET, LOGO_MAX_SIZE, (void *)fit); noffset = fit_image_get_node(fit, name); if (noffset < 0) { printf("Failed to get %s node\n", name); ret = -EINVAL; goto out; } /* Load specific logo image */ ret = fit_image_get_data(fit, noffset, &data, &data_size); if (ret < 0) { pr_err("Failed to get data\n"); ret = -EINVAL; goto out; } dst = memalign(DECODE_ALIGN, data_size); if (!dst) { pr_err("Failed to alloc dst buf\n"); ret = -ENOMEM; goto out; } memcpy(dst, data, data_size); flush_dcache_range((uintptr_t)dst, (uintptr_t)dst + data_size); if (dst[1] == 'P' || dst[2] == 'N' || dst[3] == 'G') aic_png_decode(dst, data_size); else pr_err("not support logo file format, need a png image\n"); out: aicfb_update_ui_layer(dev); aicfb_startup_panel(dev); if (fit) free(fit); if (dst) free(dst); return ret; } #endif /* * Load the kernel, check for a valid header we can parse, and if found load * the kernel and then device tree. */ static int spi_load_image_os(struct spl_image_info *spl_image, struct spi_flash *flash, struct image_header *header) { int err; spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS, CONFIG_SYS_SPI_ARGS_SIZE, (void *)CONFIG_SYS_SPL_ARGS_ADDR); spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, sizeof(*header), (void *)header); if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && image_get_magic(header) == FDT_MAGIC) { struct spl_load_info load; debug("Found FIT\n"); load.dev = flash; load.priv = NULL; load.filename = NULL; load.bl_len = 1; load.read = spl_spi_fit_read; return spl_load_simple_fit(spl_image, &load, CONFIG_SYS_SPI_KERNEL_OFFS, header); } else { err = spl_parse_image_header(spl_image, header); if (err) return err; spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, spl_image->size, (void *)spl_image->load_addr); } return 0; } #endif /* * The main entry for SPI booting. It's necessary that SDRAM is already * configured and available since this code loads the main U-Boot image * from SPI into SDRAM and starts it from there. */ static int spl_spi_load_image(struct spl_image_info *spl_image, struct spl_boot_device *bootdev) { int err = 0; unsigned int payload_offs; struct spi_flash *flash; struct image_header *header; char num_bus = 0, cur_bus = 0; spl_image->flags |= SPL_COPY_PAYLOAD_ONLY; /* * Load U-Boot image from SPI flash into RAM * In DM mode: defaults speed and mode will be * taken from DT when available */ flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS, CONFIG_SF_DEFAULT_CS, CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE); if (!flash) { num_bus = uclass_id_count(UCLASS_SPI); for (cur_bus = 0; !flash; cur_bus++) { if (cur_bus == CONFIG_SF_DEFAULT_BUS) continue; flash = spi_flash_probe(cur_bus, CONFIG_SF_DEFAULT_CS, CONFIG_SF_DEFAULT_SPEED, CONFIG_SF_DEFAULT_MODE); if (cur_bus >= num_bus) { puts("SPI probe failed.\n"); return -ENODEV; } } } payload_offs = spl_spi_get_uboot_offs(flash); header = spl_get_load_buffer(-sizeof(*header), sizeof(*header)); #if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) payload_offs = fdtdec_get_config_int(gd->fdt_blob, "u-boot,spl-payload-offset", payload_offs); #endif #ifdef CONFIG_SPL_OS_BOOT if (!spl_start_uboot()) { err = spi_load_image_os(spl_image, flash, header); /* Double check after linux image is loaded. */ if (!err && !spl_start_uboot()) { #ifdef CONFIG_VIDEO_ARTINCHIP spi_flash_read_logo(flash, "boot"); #endif return 0; } } #endif { /* Load u-boot, mkimage header is 64 bytes. */ err = spi_flash_read(flash, payload_offs, sizeof(*header), (void *)header); if (err) { debug("%s: Failed to read from SPI flash (err=%d)\n", __func__, err); return err; } if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL) && image_get_magic(header) == FDT_MAGIC) { err = spi_flash_read(flash, payload_offs, roundup(fdt_totalsize(header), 4), (void *)CONFIG_SYS_LOAD_ADDR); if (err) return err; err = spl_parse_image_header(spl_image, (struct image_header *)CONFIG_SYS_LOAD_ADDR); } else if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) && image_get_magic(header) == FDT_MAGIC) { struct spl_load_info load; debug("Found FIT\n"); load.dev = flash; load.priv = NULL; load.filename = NULL; load.bl_len = 1; load.read = spl_spi_fit_read; err = spl_load_simple_fit(spl_image, &load, payload_offs, header); } else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) { struct spl_load_info load; load.dev = flash; load.priv = NULL; load.filename = NULL; load.bl_len = 1; load.read = spl_spi_fit_read; err = spl_load_imx_container(spl_image, &load, payload_offs); } else { err = spl_parse_image_header(spl_image, header); if (err) return err; err = spi_flash_read(flash, payload_offs + spl_image->offset, spl_image->size, (void *)spl_image->load_addr); } } return err; } /* Use priorty 1 so that boards can override this */ SPL_LOAD_IMAGE_METHOD("SPI", 1, BOOT_DEVICE_SPI, spl_spi_load_image);