1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2011 The Chromium OS Authors. 3*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #include <common.h> 7*4882a593Smuzhiyun #include <cros_ec.h> 8*4882a593Smuzhiyun #include <dm.h> 9*4882a593Smuzhiyun #include <os.h> 10*4882a593Smuzhiyun #include <asm/test.h> 11*4882a593Smuzhiyun #include <asm/u-boot-sandbox.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun /* 14*4882a593Smuzhiyun * Pointer to initial global data area 15*4882a593Smuzhiyun * 16*4882a593Smuzhiyun * Here we initialize it. 17*4882a593Smuzhiyun */ 18*4882a593Smuzhiyun gd_t *gd; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun /* Add a simple GPIO device */ 21*4882a593Smuzhiyun U_BOOT_DEVICE(gpio_sandbox) = { 22*4882a593Smuzhiyun .name = "gpio_sandbox", 23*4882a593Smuzhiyun }; 24*4882a593Smuzhiyun flush_cache(unsigned long start,unsigned long size)25*4882a593Smuzhiyunvoid flush_cache(unsigned long start, unsigned long size) 26*4882a593Smuzhiyun { 27*4882a593Smuzhiyun } 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #ifndef CONFIG_TIMER 30*4882a593Smuzhiyun /* system timer offset in ms */ 31*4882a593Smuzhiyun static unsigned long sandbox_timer_offset; 32*4882a593Smuzhiyun sandbox_timer_add_offset(unsigned long offset)33*4882a593Smuzhiyunvoid sandbox_timer_add_offset(unsigned long offset) 34*4882a593Smuzhiyun { 35*4882a593Smuzhiyun sandbox_timer_offset += offset; 36*4882a593Smuzhiyun } 37*4882a593Smuzhiyun timer_read_counter(void)38*4882a593Smuzhiyununsigned long timer_read_counter(void) 39*4882a593Smuzhiyun { 40*4882a593Smuzhiyun return os_get_nsec() / 1000 + sandbox_timer_offset * 1000; 41*4882a593Smuzhiyun } 42*4882a593Smuzhiyun #endif 43*4882a593Smuzhiyun dram_init(void)44*4882a593Smuzhiyunint dram_init(void) 45*4882a593Smuzhiyun { 46*4882a593Smuzhiyun gd->ram_size = CONFIG_SYS_SDRAM_SIZE; 47*4882a593Smuzhiyun return 0; 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun #ifdef CONFIG_BOARD_LATE_INIT board_late_init(void)51*4882a593Smuzhiyunint board_late_init(void) 52*4882a593Smuzhiyun { 53*4882a593Smuzhiyun if (cros_ec_get_error()) { 54*4882a593Smuzhiyun /* Force console on */ 55*4882a593Smuzhiyun gd->flags &= ~GD_FLG_SILENT; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun printf("cros-ec communications failure %d\n", 58*4882a593Smuzhiyun cros_ec_get_error()); 59*4882a593Smuzhiyun puts("\nPlease reset with Power+Refresh\n\n"); 60*4882a593Smuzhiyun panic("Cannot init cros-ec device"); 61*4882a593Smuzhiyun return -1; 62*4882a593Smuzhiyun } 63*4882a593Smuzhiyun return 0; 64*4882a593Smuzhiyun } 65*4882a593Smuzhiyun #endif 66