static int spl_fit_append_fdt(struct spl_image_info *spl_image, struct spl_load_info *info, ulong sector, void *fit, int images, ulong base_offset) { struct spl_image_info image_info; int node, ret; /* Figure out which device tree the board wants to use */ node = spl_fit_get_image_node(fit, images, FIT_FDT_PROP, 0); if (node < 0) { debug("%s: cannot find FDT node\n", __func__); return node; } /* * Read the device tree and place it after the image. * Align the destination address to ARCH_DMA_MINALIGN. */ image_info.load_addr = spl_image->load_addr + spl_image->size; ret = spl_load_fit_image(info, sector, fit, base_offset, node, &image_info); if (ret < 0) return ret; /* Make the load-address of the FDT available for the SPL framework */ spl_image->fdt_addr = (void *)image_info.load_addr; #if !CONFIG_IS_ENABLED(FIT_IMAGE_TINY) /* Try to make space, so we can inject details on the loadables */ ret = fdt_shrink_to_minimum(spl_image->fdt_addr, 8192); #endif return ret; }
void spl_fixup_fdt(void) { #if defined(CONFIG_SPL_OF_LIBFDT) && defined(CONFIG_SYS_SPL_ARGS_ADDR) void *fdt_blob = (void *)CONFIG_SYS_SPL_ARGS_ADDR; int err; err = fdt_check_header(fdt_blob); if (err < 0) { printf("fdt_root: %s\n", fdt_strerror(err)); return; } /* fixup the memory dt node */ err = fdt_shrink_to_minimum(fdt_blob, 0); if (err == 0) { printf("spl: fdt_shrink_to_minimum err - %d\n", err); return; } err = arch_fixup_fdt(fdt_blob); if (err) { printf("spl: arch_fixup_fdt err - %d\n", err); return; } #endif }
int ft_board_setup(void *blob, bd_t *bd) { u32 baseboard_rev; int nodeoffset; uint8_t enetaddr[6]; char baseboard_name[16]; int err; fdt_shrink_to_minimum(blob, 0); /* Make room for new properties */ /* MAC addr */ if (eth_env_get_enetaddr("ethaddr", enetaddr)) { fdt_find_and_setprop(blob, "/soc/aips-bus@02100000/ethernet@02188000", "local-mac-address", enetaddr, 6, 1); } if (eth_env_get_enetaddr("eth1addr", enetaddr)) { fdt_find_and_setprop(blob, "/eth@pcie", "local-mac-address", enetaddr, 6, 1); } fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes)); baseboard_rev = cl_eeprom_get_board_rev(0); err = cl_eeprom_get_product_name((uchar *)baseboard_name, 0); if (err || baseboard_rev == 0) return 0; /* Assume not an early revision SB-FX6m baseboard */ if (!strncmp("SB-FX6m", baseboard_name, 7) && baseboard_rev <= 120) { nodeoffset = fdt_path_offset(blob, USDHC3_PATH); fdt_delprop(blob, nodeoffset, "cd-gpios"); fdt_find_and_setprop(blob, USDHC3_PATH, "broken-cd", NULL, 0, 1); fdt_find_and_setprop(blob, USDHC3_PATH, "keep-power-in-suspend", NULL, 0, 1); } return 0; }
int image_setup_libfdt(bootm_headers_t *images, void *blob, int of_size, struct lmb *lmb) { ulong *initrd_start = &images->initrd_start; ulong *initrd_end = &images->initrd_end; int ret = -EPERM; int fdt_ret; if (fdt_root(blob) < 0) { printf("ERROR: root node setup failed\n"); goto err; } if (fdt_chosen(blob) < 0) { printf("ERROR: /chosen node create failed\n"); goto err; } if (arch_fixup_fdt(blob) < 0) { printf("ERROR: arch-specific fdt fixup failed\n"); goto err; } if (IMAGE_OF_BOARD_SETUP) { fdt_ret = ft_board_setup(blob, gd->bd); if (fdt_ret) { printf("ERROR: board-specific fdt fixup failed: %s\n", fdt_strerror(fdt_ret)); goto err; } } if (IMAGE_OF_SYSTEM_SETUP) { fdt_ret = ft_system_setup(blob, gd->bd); if (fdt_ret) { printf("ERROR: system-specific fdt fixup failed: %s\n", fdt_strerror(fdt_ret)); goto err; } } fdt_fixup_ethernet(blob); /* Delete the old LMB reservation */ lmb_free(lmb, (phys_addr_t)(u32)(uintptr_t)blob, (phys_size_t)fdt_totalsize(blob)); ret = fdt_shrink_to_minimum(blob); if (ret < 0) goto err; of_size = ret; if (*initrd_start && *initrd_end) { of_size += FDT_RAMDISK_OVERHEAD; fdt_set_totalsize(blob, of_size); } /* Create a new LMB reservation */ lmb_reserve(lmb, (ulong)blob, of_size); fdt_initrd(blob, *initrd_start, *initrd_end); if (!ft_verify_fdt(blob)) goto err; #if defined(CONFIG_SOC_KEYSTONE) if (IMAGE_OF_BOARD_SETUP) ft_board_setup_ex(blob, gd->bd); #endif return 0; err: printf(" - must RESET the board to recover.\n\n"); return ret; }