GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <nand.h>
+#include <asm/arch/dm365_lowlevel.h>
+#include <ns16550.h>
+#include <malloc.h>
+#include <spi_flash.h>
+#include <mmc.h>
+
+#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}
+
+void putc(char c)
+{
+	if (c == '\n')
+		NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), '\r');
+
+	NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c);
+}
+#endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */
+
+void board_init_f(ulong dummy)
+{
+	arch_cpu_init();
+
+	spl_early_init();
+
+	preloader_console_init();
+}
+
+u32 spl_boot_device(void)
+{
+	switch (davinci_syscfg_regs->bootcfg) {
+#ifdef CONFIG_SPL_NAND_SUPPORT
+	case DAVINCI_NAND8_BOOT:
+	case DAVINCI_NAND16_BOOT:
+		return BOOT_DEVICE_NAND;
+#endif
+
+#ifdef CONFIG_SPL_MMC_SUPPORT
+	case DAVINCI_SD_OR_MMC_BOOT:
+	case DAVINCI_MMC_ONLY_BOOT:
+		return BOOT_DEVICE_MMC1;
+#endif
+
+#ifdef CONFIG_SPL_SPI_FLASH_SUPPORT
+	case DAVINCI_SPI0_FLASH_BOOT:
+	case DAVINCI_SPI1_FLASH_BOOT:
+		return BOOT_DEVICE_SPI;
+#endif
+
+	default:
+		puts("Unknown boot device\n");
+		hang();
+	}
+}