diff options
| author | Vikas Manocha <vikas.manocha@st.com> | 2017-05-28 12:55:11 -0700 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-06-09 11:23:59 -0400 |
| commit | c6d9e9dbc3d02c03ea1f6671034317593a2ea4ff (patch) | |
| tree | d8e3b9133a3e8b7dfceed5ef2274e0bb12e5540b /common/spl/spl_xip.c | |
| parent | b97476965bf292c13074e01de4bd39253de0ef66 (diff) | |
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>
Diffstat (limited to 'common/spl/spl_xip.c')
| -rw-r--r-- | common/spl/spl_xip.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/common/spl/spl_xip.c b/common/spl/spl_xip.c new file mode 100644 index 0000000000..18c7d11f2d --- /dev/null +++ b/common/spl/spl_xip.c @@ -0,0 +1,28 @@ +/* + * 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); |