Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / cpu / arm926ejs / davinci / spl.c

diff --git a/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/spl.c b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/spl.c
new file mode 100644 (file)
index 0000000..59b304e
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/cpu/arm926ejs/davinci/spl.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2011
+ * Heiko Schocher, DENX Software Engineering, hs@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#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>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#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)
+{
+       /* First, setup our stack pointer. */
+       asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK));
+
+       /* Second, perform our low-level init. */
+#ifdef CONFIG_SOC_DM365
+       dm36x_lowlevel_init(0);
+#endif
+#ifdef CONFIG_SOC_DA8XX
+       arch_cpu_init();
+#endif
+
+       /* Third, we clear the BSS. */
+       memset(__bss_start, 0, __bss_end - __bss_start);
+
+       /* Finally, setup gd and move to the next step. */
+       gd = &gdata;
+       board_init_r(NULL, 0);
+}
+
+void spl_board_init(void)
+{
+       preloader_console_init();
+}
+
+u32 spl_boot_mode(void)
+{
+       return MMCSD_MODE_RAW;
+}
+
+u32 spl_boot_device(void)
+{
+#ifdef CONFIG_SPL_NAND_SIMPLE
+       return BOOT_DEVICE_NAND;
+#elif defined(CONFIG_SPL_SPI_LOAD)
+       return BOOT_DEVICE_SPI;
+#elif defined(CONFIG_SPL_MMC_LOAD)
+       return BOOT_DEVICE_MMC1;
+#else
+       puts("Unknown boot device\n");
+       hang();
+#endif
+}