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drivers/intel/fsp2_0: Add simple reset handler

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Any FSP API call may request a reset. This is indicated in API function
return code. Add trivial reset handler code.

BUG=chrome-os-partner:54149
BRANCH=none
TEST=none

Change-Id: Ieb5e2d52ffdaf3c3ed416603f6dbb4f9c25a1a7b
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/15334
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Andrey Petrov
2016-06-22 19:22:30 -07:00
committed by Martin Roth
parent 3dbea29ee6
commit 901e43c904
2 changed files with 30 additions and 0 deletions
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24
src/drivers/intel/fsp2_0/util.c
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@ -18,6 +18,7 @@
#include <lib.h>
#include <memrange.h>
#include <program_loading.h>
#include <reset.h>
#include <string.h>
static bool looks_like_fsp_header(const uint8_t *raw_hdr)
@ -160,3 +161,26 @@ enum cb_err fsp_load_binary(struct fsp_header *hdr,
return CB_SUCCESS;
}
void fsp_handle_reset(enum fsp_status status)
{
switch(status) {
case FSP_STATUS_RESET_REQUIRED_COLD:
hard_reset();
break;
case FSP_STATUS_RESET_REQUIRED_WARM:
soft_reset();
break;
case FSP_STATUS_RESET_REQUIRED_GLOBAL_RESET:
global_reset();
break;
default:
break;
}
}
bool fsp_reset_requested(enum fsp_status status)
{
return (status >= FSP_STATUS_RESET_REQUIRED_COLD &&
status <= FSP_STATUS_RESET_REQUIRED_GLOBAL_RESET);
}