1 /* 2 * Copyright (c) 2011 The Chromium OS Authors. 3 * SPDX-License-Identifier: GPL-2.0+ 4 */ 5 6 #include <common.h> 7 #include <cros_ec.h> 8 #include <dm.h> 9 #include <os.h> 10 #include <asm/test.h> 11 #include <asm/u-boot-sandbox.h> 12 13 /* 14 * Pointer to initial global data area 15 * 16 * Here we initialize it. 17 */ 18 gd_t *gd; 19 20 /* Add a simple GPIO device */ 21 U_BOOT_DEVICE(gpio_sandbox) = { 22 .name = "gpio_sandbox", 23 }; 24 25 void flush_cache(unsigned long start, unsigned long size) 26 { 27 } 28 29 /* system timer offset in ms */ 30 static unsigned long sandbox_timer_offset; 31 32 void sandbox_timer_add_offset(unsigned long offset) 33 { 34 sandbox_timer_offset += offset; 35 } 36 37 unsigned long timer_read_counter(void) 38 { 39 return os_get_nsec() / 1000 + sandbox_timer_offset * 1000; 40 } 41 42 int dram_init(void) 43 { 44 gd->ram_size = CONFIG_SYS_SDRAM_SIZE; 45 return 0; 46 } 47 48 #ifdef CONFIG_BOARD_EARLY_INIT_F 49 int board_early_init_f(void) 50 { 51 #ifdef CONFIG_VIDEO_SANDBOX_SDL 52 int ret; 53 54 ret = sandbox_lcd_sdl_early_init(); 55 if (ret) { 56 puts("Could not init sandbox LCD emulation\n"); 57 return ret; 58 } 59 #endif 60 61 return 0; 62 } 63 #endif 64 65 #ifdef CONFIG_BOARD_LATE_INIT 66 int board_late_init(void) 67 { 68 if (cros_ec_get_error()) { 69 /* Force console on */ 70 gd->flags &= ~GD_FLG_SILENT; 71 72 printf("cros-ec communications failure %d\n", 73 cros_ec_get_error()); 74 puts("\nPlease reset with Power+Refresh\n\n"); 75 panic("Cannot init cros-ec device"); 76 return -1; 77 } 78 return 0; 79 } 80 #endif 81