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