1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * (C) Copyright 2015 Rockchip Electronics Co., Ltd 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <common.h> 8*4882a593Smuzhiyun #include <dm.h> 9*4882a593Smuzhiyun #include <asm/io.h> 10*4882a593Smuzhiyun #include <asm/arch/uart.h> 11*4882a593Smuzhiyun #include <asm/arch/sdram_rk3036.h> 12*4882a593Smuzhiyun #include <asm/gpio.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR; 15*4882a593Smuzhiyun get_ddr_config(struct rk3036_ddr_config * config)16*4882a593Smuzhiyunvoid get_ddr_config(struct rk3036_ddr_config *config) 17*4882a593Smuzhiyun { 18*4882a593Smuzhiyun /* K4B4G1646Q config */ 19*4882a593Smuzhiyun config->ddr_type = 3; 20*4882a593Smuzhiyun config->rank = 1; 21*4882a593Smuzhiyun config->cs0_row = 15; 22*4882a593Smuzhiyun config->cs1_row = 15; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun /* 8bank */ 25*4882a593Smuzhiyun config->bank = 3; 26*4882a593Smuzhiyun config->col = 10; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun /* 16bit bw */ 29*4882a593Smuzhiyun config->bw = 1; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #define FASTBOOT_KEY_GPIO 93 33*4882a593Smuzhiyun fastboot_key_pressed(void)34*4882a593Smuzhiyunint fastboot_key_pressed(void) 35*4882a593Smuzhiyun { 36*4882a593Smuzhiyun gpio_request(FASTBOOT_KEY_GPIO, "fastboot_key"); 37*4882a593Smuzhiyun gpio_direction_input(FASTBOOT_KEY_GPIO); 38*4882a593Smuzhiyun return !gpio_get_value(FASTBOOT_KEY_GPIO); 39*4882a593Smuzhiyun } 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun #define ROCKCHIP_BOOT_MODE_FASTBOOT 0x5242C309 42*4882a593Smuzhiyun rk_board_late_init(void)43*4882a593Smuzhiyunint rk_board_late_init(void) 44*4882a593Smuzhiyun { 45*4882a593Smuzhiyun if (fastboot_key_pressed()) { 46*4882a593Smuzhiyun printf("enter fastboot!\n"); 47*4882a593Smuzhiyun env_set("preboot", "setenv preboot; fastboot usb0"); 48*4882a593Smuzhiyun } 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun return 0; 51*4882a593Smuzhiyun } 52