mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-02 08:13:44 +09:00
bf1133b1e9
SPL bootrom support is a boot device just like mmc and etc, use formal boot device instead of jump to bootrom directly. Enable the Kconfig by default if ROCKCHIP_BACK_TO_BROM is enabled. Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
156 lines
2.7 KiB
C
156 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2015 Google, Inc
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*/
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#include <clk.h>
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#include <common.h>
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#include <debug_uart.h>
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#include <dm.h>
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#include <fdtdec.h>
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#include <led.h>
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#include <malloc.h>
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#include <ram.h>
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#include <spl.h>
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#include <syscon.h>
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#include <asm/gpio.h>
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#include <asm/io.h>
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#include <asm/arch-rockchip/bootrom.h>
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#include <asm/arch-rockchip/clock.h>
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#include <asm/arch-rockchip/periph.h>
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#include <asm/arch-rockchip/sdram.h>
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#include <dm/root.h>
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#include <dm/test.h>
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#include <dm/util.h>
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#include <power/regulator.h>
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DECLARE_GLOBAL_DATA_PTR;
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void board_return_to_bootrom(void)
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{
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back_to_bootrom(BROM_BOOT_NEXTSTAGE);
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}
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u32 spl_boot_device(void)
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{
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#if !CONFIG_IS_ENABLED(OF_PLATDATA)
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const void *blob = gd->fdt_blob;
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struct udevice *dev;
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const char *bootdev;
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int node;
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int ret;
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bootdev = fdtdec_get_config_string(blob, "u-boot,boot0");
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debug("Boot device %s\n", bootdev);
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if (!bootdev)
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goto fallback;
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node = fdt_path_offset(blob, bootdev);
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if (node < 0) {
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debug("node=%d\n", node);
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goto fallback;
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}
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ret = device_get_global_by_ofnode(offset_to_ofnode(node), &dev);
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if (ret) {
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debug("device at node %s/%d not found: %d\n", bootdev, node,
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ret);
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goto fallback;
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}
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debug("Found device %s\n", dev->name);
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switch (device_get_uclass_id(dev)) {
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case UCLASS_SPI_FLASH:
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return BOOT_DEVICE_SPI;
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case UCLASS_MMC:
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return BOOT_DEVICE_MMC1;
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default:
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debug("Booting from device uclass '%s' not supported\n",
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dev_get_uclass_name(dev));
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}
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fallback:
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#endif
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return BOOT_DEVICE_MMC1;
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}
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__weak int arch_cpu_init(void)
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{
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return 0;
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}
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void board_init_f(ulong dummy)
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{
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struct udevice *dev;
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int ret;
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#ifdef CONFIG_DEBUG_UART
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/*
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* Debug UART can be used from here if required:
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*
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* debug_uart_init();
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* printch('a');
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* printhex8(0x1234);
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* printascii("string");
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*/
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debug_uart_init();
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printascii("U-Boot SPL board init");
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#endif
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arch_cpu_init();
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ret = spl_early_init();
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if (ret) {
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debug("spl_early_init() failed: %d\n", ret);
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hang();
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}
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ret = rockchip_get_clk(&dev);
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if (ret) {
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debug("CLK init failed: %d\n", ret);
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return;
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}
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ret = uclass_get_device(UCLASS_RAM, 0, &dev);
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if (ret) {
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debug("DRAM init failed: %d\n", ret);
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return;
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}
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}
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static int setup_led(void)
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{
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#ifdef CONFIG_SPL_LED
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struct udevice *dev;
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char *led_name;
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int ret;
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led_name = fdtdec_get_config_string(gd->fdt_blob, "u-boot,boot-led");
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if (!led_name)
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return 0;
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ret = led_get_by_label(led_name, &dev);
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if (ret) {
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debug("%s: get=%d\n", __func__, ret);
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return ret;
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}
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ret = led_set_on(dev, 1);
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if (ret)
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return ret;
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#endif
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return 0;
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}
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void spl_board_init(void)
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{
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int ret;
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ret = setup_led();
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if (ret) {
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debug("LED ret=%d\n", ret);
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hang();
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}
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preloader_console_init();
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return;
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}
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