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spl: make image arg or fdt blob address reconfigurable

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At present fdt blob or argument address being passed to kernel is fixed at
compile time using macro CONFIG_SYS_SPL_ARGS_ADDR. FDT blob from
different media like nand, nor flash are copied to the address pointed
by the macro.
The problem is, it makes args/fdt blob compulsory to copy which is not required
in cases like for NOR Flash. This patch removes this limitation.

Signed-off-by: Vikas Manocha <vikas.manocha@st.com>
This commit is contained in:
Vikas Manocha
2017-04-07 15:38:13 -07:00
committed by Tom Rini
parent dc07961f5e
commit 5bf5250e9d
6 changed files with 17 additions and 23 deletions
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5
include/spl.h
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@@ -27,6 +27,7 @@ struct spl_image_info {
ulong entry_point;
u32 size;
u32 flags;
void *arg;
};
/*
@@ -106,10 +107,8 @@ int spl_board_ubi_load_image(u32 boot_device);
* This jumps into a Linux kernel using the information in @spl_image.
*
* @spl_image: Image description to set up
* @arg: Argument to pass to Linux (typically a device tree pointer)
*/
void __noreturn jump_to_image_linux(struct spl_image_info *spl_image,
void *arg);
void __noreturn jump_to_image_linux(struct spl_image_info *spl_image);
/**
* spl_start_uboot() - Check if SPL should start the kernel or U-Boot