| /* |
| * (C) Copyright 2015 Google, Inc |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #include <common.h> |
| #include <clk.h> |
| #include <dm.h> |
| #include <ram.h> |
| #include <syscon.h> |
| #include <asm/io.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/periph.h> |
| #include <asm/arch/pmu_rk3288.h> |
| #include <asm/arch/boot_mode.h> |
| #include <asm/gpio.h> |
| #include <dm/pinctrl.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| int board_init(void) |
| { |
| #if defined(CONFIG_ROCKCHIP_SPL_BACK_TO_BROM) |
| struct udevice *pinctrl; |
| int ret; |
| |
| /* |
| * We need to implement sdcard iomux here for the further |
| * initialization, otherwise, it'll hit sdcard command sending |
| * timeout exception. |
| */ |
| ret = uclass_get_device(UCLASS_PINCTRL, 0, &pinctrl); |
| if (ret) { |
| debug("%s: Cannot find pinctrl device\n", __func__); |
| goto err; |
| } |
| ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_SDCARD); |
| if (ret) { |
| debug("%s: Failed to set up SD card\n", __func__); |
| goto err; |
| } |
| |
| return 0; |
| err: |
| printf("board_init: Error %d\n", ret); |
| |
| /* No way to report error here */ |
| hang(); |
| |
| return -1; |
| #else |
| return 0; |
| #endif |
| } |
| |
| int dram_init(void) |
| { |
| struct ram_info ram; |
| struct udevice *dev; |
| int ret; |
| |
| ret = uclass_get_device(UCLASS_RAM, 0, &dev); |
| if (ret) { |
| debug("DRAM init failed: %d\n", ret); |
| return ret; |
| } |
| ret = ram_get_info(dev, &ram); |
| if (ret) { |
| debug("Cannot get DRAM size: %d\n", ret); |
| return ret; |
| } |
| debug("SDRAM base=%lx, size=%x\n", ram.base, ram.size); |
| gd->ram_size = ram.size; |
| |
| return 0; |
| } |
| |
| #ifndef CONFIG_SYS_DCACHE_OFF |
| void enable_caches(void) |
| { |
| /* Enable D-cache. I-cache is already enabled in start.S */ |
| dcache_enable(); |
| } |
| #endif |