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spl: Introduce new function spl_board_prepare_for_boot

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Call this function before passing control from SPL.
For fpga case it is necessary to enable for example level shifters
when bitstream is programmed.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Michal Simek 2016-05-10 07:54:20 +02:00
parent bd483780d3
commit 3a3b914789
2 changed files with 7 additions and 0 deletions
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6
common/spl/spl.c
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@ -64,6 +64,11 @@ __weak void spl_board_prepare_for_linux(void)
/* Nothing to do! */
}
__weak void spl_board_prepare_for_boot(void)
{
/* Nothing to do! */
}
void spl_set_header_raw_uboot(void)
{
spl_image.size = CONFIG_SYS_MONITOR_LEN;
@ -404,6 +409,7 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
#endif
debug("loaded - jumping to U-Boot...");
spl_board_prepare_for_boot();
jump_to_image_no_args(&spl_image);
}

1
include/spl.h
View file

@ -58,6 +58,7 @@ u32 spl_boot_mode(void);
void spl_set_header_raw_uboot(void);
int spl_parse_image_header(const struct image_header *header);
void spl_board_prepare_for_linux(void);
void spl_board_prepare_for_boot(void);
void __noreturn jump_to_image_linux(void *arg);
int spl_start_uboot(void);
void spl_display_print(void);