Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / arch / arm / lib / spl.c

diff --git a/qemu/roms/u-boot/arch/arm/lib/spl.c b/qemu/roms/u-boot/arch/arm/lib/spl.c
new file mode 100644 (file)
index 0000000..dfcc596
--- /dev/null
+++ b/qemu/roms/u-boot/arch/arm/lib/spl.c
@@ -0,0 +1,58 @@
+/*
+ * (C) Copyright 2010-2012
+ * Texas Instruments, <www.ti.com>
+ *
+ * Aneesh V <aneesh@ti.com>
+ * Tom Rini <trini@ti.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+#include <common.h>
+#include <config.h>
+#include <spl.h>
+#include <image.h>
+#include <linux/compiler.h>
+
+/* Pointer to as well as the global data structure for SPL */
+DECLARE_GLOBAL_DATA_PTR;
+gd_t gdata __attribute__ ((section(".data")));
+
+/*
+ * In the context of SPL, board_init_f must ensure that any clocks/etc for
+ * DDR are enabled, ensure that the stack pointer is valid, clear the BSS
+ * and call board_init_f.  We provide this version by default but mark it
+ * as __weak to allow for platforms to do this in their own way if needed.
+ */
+void __weak board_init_f(ulong dummy)
+{
+       /* Clear the BSS. */
+       memset(__bss_start, 0, __bss_end - __bss_start);
+
+       /* Set global data pointer. */
+       gd = &gdata;
+
+       board_init_r(NULL, 0);
+}
+
+/*
+ * This function jumps to an image with argument. Normally an FDT or ATAGS
+ * image.
+ * arg: Pointer to paramter image in RAM
+ */
+#ifdef CONFIG_SPL_OS_BOOT
+void __noreturn jump_to_image_linux(void *arg)
+{
+       unsigned long machid = 0xffffffff;
+#ifdef CONFIG_MACH_TYPE
+       machid = CONFIG_MACH_TYPE;
+#endif
+
+       debug("Entering kernel arg pointer: 0x%p\n", arg);
+       typedef void (*image_entry_arg_t)(int, int, void *)
+               __attribute__ ((noreturn));
+       image_entry_arg_t image_entry =
+               (image_entry_arg_t) spl_image.entry_point;
+       cleanup_before_linux();
+       image_entry(0, machid, arg);
+}
+#endif