| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Board specific initialization for AM62x platforms |
| * |
| * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/ |
| * Suman Anna <s-anna@ti.com> |
| * |
| */ |
| |
| #include <env.h> |
| #include <spl.h> |
| #include <video.h> |
| #include <splash.h> |
| #include <k3-ddrss.h> |
| #include <fdt_support.h> |
| #include <asm/io.h> |
| #include <asm/arch/hardware.h> |
| #include <asm/arch/sys_proto.h> |
| #include <dm/uclass.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #ifdef CONFIG_SPLASH_SCREEN |
| static struct splash_location default_splash_locations[] = { |
| { |
| .name = "mmc", |
| .storage = SPLASH_STORAGE_MMC, |
| .flags = SPLASH_STORAGE_FS, |
| .devpart = "1:1", |
| }, |
| }; |
| |
| int splash_screen_prepare(void) |
| { |
| return splash_source_load(default_splash_locations, |
| ARRAY_SIZE(default_splash_locations)); |
| } |
| #endif |
| |
| int board_init(void) |
| { |
| return 0; |
| } |
| |
| int dram_init(void) |
| { |
| return fdtdec_setup_mem_size_base(); |
| } |
| |
| int dram_init_banksize(void) |
| { |
| return fdtdec_setup_memory_banksize(); |
| } |
| |
| #if defined(CONFIG_SPL_BUILD) |
| #if defined(CONFIG_K3_AM64_DDRSS) |
| static void fixup_ddr_driver_for_ecc(struct spl_image_info *spl_image) |
| { |
| struct udevice *dev; |
| int ret; |
| |
| dram_init_banksize(); |
| |
| ret = uclass_get_device(UCLASS_RAM, 0, &dev); |
| if (ret) |
| panic("Cannot get RAM device for ddr size fixup: %d\n", ret); |
| |
| ret = k3_ddrss_ddr_fdt_fixup(dev, spl_image->fdt_addr, gd->bd); |
| if (ret) |
| printf("Error fixing up ddr node for ECC use! %d\n", ret); |
| } |
| #else |
| static void fixup_memory_node(struct spl_image_info *spl_image) |
| { |
| u64 start[CONFIG_NR_DRAM_BANKS]; |
| u64 size[CONFIG_NR_DRAM_BANKS]; |
| int bank; |
| int ret; |
| |
| dram_init(); |
| dram_init_banksize(); |
| |
| for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) { |
| start[bank] = gd->bd->bi_dram[bank].start; |
| size[bank] = gd->bd->bi_dram[bank].size; |
| } |
| |
| /* dram_init functions use SPL fdt, and we must fixup u-boot fdt */ |
| ret = fdt_fixup_memory_banks(spl_image->fdt_addr, start, size, |
| CONFIG_NR_DRAM_BANKS); |
| if (ret) |
| printf("Error fixing up memory node! %d\n", ret); |
| } |
| #endif |
| |
| void spl_perform_fixups(struct spl_image_info *spl_image) |
| { |
| #if defined(CONFIG_K3_AM64_DDRSS) |
| fixup_ddr_driver_for_ecc(spl_image); |
| #else |
| fixup_memory_node(spl_image); |
| #endif |
| } |
| #endif |