// 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 * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../common/board_detect.h" #include "../common/fdt_ops.h" #include "../common/k3_32k_lfosc.h" #define board_is_am62x_skevm() (board_ti_k3_is("AM62-SKEVM") || \ board_ti_k3_is("AM62B-SKEVM")) #define board_is_am62b_p1_skevm() board_ti_k3_is("AM62B-SKEVM-P1") #define board_is_am62x_lp_skevm() board_ti_k3_is("AM62-LP-SKEVM") #define board_is_am62x_sip_skevm() board_ti_k3_is("AM62SIP-SKEVM") #if CONFIG_IS_ENABLED(SPLASH_SCREEN) static struct splash_location default_splash_locations[] = { { .name = "sf", .storage = SPLASH_STORAGE_SF, .flags = SPLASH_STORAGE_RAW, .offset = 0x700000, }, { .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 struct efi_fw_image fw_images[] = { { .image_type_id = AM62X_SK_TIBOOT3_IMAGE_GUID, .fw_name = u"AM62X_SK_TIBOOT3", .image_index = 1, }, { .image_type_id = AM62X_SK_SPL_IMAGE_GUID, .fw_name = u"AM62X_SK_SPL", .image_index = 2, }, { .image_type_id = AM62X_SK_UBOOT_IMAGE_GUID, .fw_name = u"AM62X_SK_UBOOT", .image_index = 3, } }; struct efi_capsule_update_info update_info = { .dfu_string = "sf 0:0=tiboot3.bin raw 0 80000;" "tispl.bin raw 80000 200000;u-boot.img raw 280000 400000", .num_images = ARRAY_SIZE(fw_images), .images = fw_images, }; #if CONFIG_IS_ENABLED(TI_I2C_BOARD_DETECT) int do_board_detect(void) { return do_board_detect_am6(); } int checkboard(void) { struct ti_am6_eeprom *ep = TI_AM6_EEPROM_DATA; if (!do_board_detect()) printf("Board: %s rev %s\n", ep->name, ep->version); return 0; } #if CONFIG_IS_ENABLED(BOARD_LATE_INIT) static void setup_board_eeprom_env(void) { char *name = "am62x_skevm"; if (do_board_detect()) goto invalid_eeprom; if (board_is_am62x_skevm()) name = "am62x_skevm"; else if (board_is_am62b_p1_skevm()) name = "am62b_p1_skevm"; else if (board_is_am62x_lp_skevm()) name = "am62x_lp_skevm"; else if (board_is_am62x_sip_skevm()) name = "am62x_sip_skevm"; else printf("Unidentified board claims %s in eeprom header\n", board_ti_get_name()); invalid_eeprom: set_board_info_env_am6(name); } #endif #endif #if CONFIG_IS_ENABLED(BOARD_LATE_INIT) int board_late_init(void) { if (IS_ENABLED(CONFIG_TI_I2C_BOARD_DETECT)) { setup_board_eeprom_env(); setup_serial_am6(); } ti_set_fdt_env(NULL, NULL); return 0; } #endif #if defined(CONFIG_XPL_BUILD) void spl_board_init(void) { if (IS_ENABLED(CONFIG_TI_K3_BOARD_LFOSC)) enable_32k_lfosc(); enable_caches(); if (IS_ENABLED(CONFIG_SPL_SPLASH_SCREEN) && IS_ENABLED(CONFIG_SPL_BMP)) splash_display(); } void spl_perform_board_fixups(struct spl_image_info *spl_image) { if (IS_ENABLED(CONFIG_K3_DDRSS)) { if (IS_ENABLED(CONFIG_K3_INLINE_ECC)) fixup_ddr_driver_for_ecc(spl_image); } else { fixup_memory_node(spl_image); } } #endif #if defined(CONFIG_OF_BOARD_SETUP) int ft_board_setup(void *blob, struct bd_info *bd) { int ret = -1; if (IS_ENABLED(CONFIG_FDT_SIMPLEFB)) ret = fdt_simplefb_enable_and_mem_rsv(blob); /* If simplefb is not enabled and video is active, then at least reserve * the framebuffer region to preserve the splash screen while OS is booting */ if (IS_ENABLED(CONFIG_VIDEO) && IS_ENABLED(CONFIG_OF_LIBFDT)) { if (ret && video_is_active()) return fdt_add_fb_mem_rsv(blob); } return 0; } #endif