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spl: Add support for passing handoff info to U-Boot proper

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There is some basic informaton that SPL normally wants to pass through to
U-Boot, such as the SDRAM size and bank information.

Mkae use of the new bloblist structure for this. Add a new 'handoff' blob
which is set up in SPL and passed to U-Boot proper. Also adda  test for
sandbox_spl that checks that this works correctly and a new 'sb' command
to show the information passed from SPL.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2018-11-15 18:44:09 -07:00
committed by Tom Rini
parent 27028f186d
commit b0edea3c27
14 changed files with 253 additions and 17 deletions
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15
common/board_f.c
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@@ -25,6 +25,9 @@
#include <post.h>
#include <relocate.h>
#include <spi.h>
#ifdef CONFIG_SPL
#include <spl.h>
#endif
#include <status_led.h>
#include <sysreset.h>
#include <timer.h>
@@ -286,6 +289,17 @@ static int setup_mon_len(void)
return 0;
}
static int setup_spl_handoff(void)
{
#if CONFIG_IS_ENABLED(HANDOFF)
gd->spl_handoff = bloblist_find(BLOBLISTT_SPL_HANDOFF,
sizeof(struct spl_handoff));
debug("Found SPL hand-off info %p\n", gd->spl_handoff);
#endif
return 0;
}
__weak int arch_cpu_init(void)
{
return 0;
@@ -845,6 +859,7 @@ static const init_fnc_t init_sequence_f[] = {
#ifdef CONFIG_BLOBLIST
bloblist_init,
#endif
setup_spl_handoff,
initf_console_record,
#if defined(CONFIG_HAVE_FSP)
arch_fsp_init,