u-boot/common/spl/spl_xip.c
Vikas Manocha c6d9e9dbc3 SPL: Add XIP booting support
Enable support for XIP (execute in place) of U-Boot or kernel image. There is
no need to copy image from flash to ram if flash supports execute in place.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
Reviewed-by: Alexandru Gagniuc <alex.g@adaptrum.com>
2017-06-09 11:23:59 -04:00

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C

/*
* Copyright (C) 2017 Vikas Manocha <vikas.manocha@st.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <spl.h>
static int spl_xip(struct spl_image_info *spl_image,
struct spl_boot_device *bootdev)
{
#ifdef CONFIG_SPL_OS_BOOT
if (!spl_start_uboot()) {
spl_image->arg = (void *)CONFIG_SYS_FDT_BASE;
spl_image->name = "Linux";
spl_image->os = IH_OS_LINUX;
spl_image->load_addr = CONFIG_SYS_LOAD_ADDR;
spl_image->entry_point = CONFIG_SYS_LOAD_ADDR;
debug("spl: payload xipImage, load addr: 0x%lx\n",
spl_image->load_addr);
return 0;
}
#endif
return(spl_parse_image_header(spl_image, (const struct image_header *)
CONFIG_SYS_UBOOT_BASE));
}
SPL_LOAD_IMAGE_METHOD("XIP", 0, BOOT_DEVICE_XIP, spl_xip);