// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (c) 2011 The Chromium OS Authors. */ #include <common.h> #include <cpu_func.h> #include <cros_ec.h> #include <dm.h> #include <env_internal.h> #include <init.h> #include <led.h> #include <os.h> #include <asm/global_data.h> #include <asm/test.h> #include <asm/u-boot-sandbox.h> #include <malloc.h> #include <extension_board.h> /* * Pointer to initial global data area * * Here we initialize it. */ gd_t *gd; #if !CONFIG_IS_ENABLED(OF_PLATDATA) /* Add a simple GPIO device */ U_BOOT_DRVINFO(gpio_sandbox) = { .name = "sandbox_gpio", }; #endif #ifndef CONFIG_TIMER /* system timer offset in ms */ static unsigned long sandbox_timer_offset; void timer_test_add_offset(unsigned long offset) { sandbox_timer_offset += offset; } unsigned long timer_read_counter(void) { return os_get_nsec() / 1000 + sandbox_timer_offset * 1000; } #endif /* specific order for sandbox: nowhere is the first value, used by default */ static enum env_location env_locations[] = { ENVL_NOWHERE, ENVL_EXT4, ENVL_FAT, }; enum env_location env_get_location(enum env_operation op, int prio) { if (prio >= ARRAY_SIZE(env_locations)) return ENVL_UNKNOWN; return env_locations[prio]; } int dram_init(void) { gd->ram_size = CONFIG_SYS_SDRAM_SIZE; return 0; } int board_init(void) { if (IS_ENABLED(CONFIG_LED)) led_default_state(); return 0; } int ft_board_setup(void *fdt, struct bd_info *bd) { /* Create an arbitrary reservation to allow testing OF_BOARD_SETUP.*/ return fdt_add_mem_rsv(fdt, 0x00d02000, 0x4000); } #ifdef CONFIG_CMD_EXTENSION int extension_board_scan(struct list_head *extension_list) { struct extension *extension; int i; for (i = 0; i < 2; i++) { extension = calloc(1, sizeof(struct extension)); snprintf(extension->overlay, sizeof(extension->overlay), "overlay%d.dtbo", i); snprintf(extension->name, sizeof(extension->name), "extension board %d", i); snprintf(extension->owner, sizeof(extension->owner), "sandbox"); snprintf(extension->version, sizeof(extension->version), "1.1"); snprintf(extension->other, sizeof(extension->other), "Fictionnal extension board"); list_add_tail(&extension->list, extension_list); } return i; } #endif #ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { struct udevice *dev; int ret; ret = uclass_first_device_err(UCLASS_CROS_EC, &dev); if (ret && ret != -ENODEV) { /* Force console on */ gd->flags &= ~GD_FLG_SILENT; printf("cros-ec communications failure %d\n", ret); puts("\nPlease reset with Power+Refresh\n\n"); panic("Cannot init cros-ec device"); return -1; } return 0; } #endif