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| author | Lee Leahy <leroy.p.leahy@intel.com> | 2016-08-09 09:04:45 -0700 |
|---|---|---|
| committer | Lee Leahy <leroy.p.leahy@intel.com> | 2016-08-10 22:30:46 +0200 |
| commit | 00a38a4a9e668caf573517051aafff9eba61def3 (patch) | |
| tree | 3e7ba7ce7ed5d1f0c45aac9ab03a825868f0a7b8 /src/drivers/intel/fsp2_0/include/fsp/debug.h | |
| parent | c52a4f7328b37a5f02d65e8328f551c2168fc8dd (diff) | |
drivers/intel/fsp2_0: Add fsp_write_line function
Add fsp_write_line function which may be called by FSP to output debug
serial data to the console.
TEST=Build and run on Galileo Gen2
Change-Id: If7bfcea1af82209dcdc5a9f9f2d9334842c1595e
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/16129
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/drivers/intel/fsp2_0/include/fsp/debug.h')
| -rw-r--r-- | src/drivers/intel/fsp2_0/include/fsp/debug.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/include/fsp/debug.h b/src/drivers/intel/fsp2_0/include/fsp/debug.h index 3708c679eb..2f1d806b25 100644 --- a/src/drivers/intel/fsp2_0/include/fsp/debug.h +++ b/src/drivers/intel/fsp2_0/include/fsp/debug.h @@ -58,4 +58,13 @@ const char *fsp_get_guid_name(const uint8_t *guid); void fsp_print_guid_extension_hob(const struct hob_header *hob); int fsp_find_bootloader_tolum(struct range_entry *re); +/* + * Writes number_of_bytes data bytes from buffer to the console. + * The number of bytes actually written to the console is returned. + * + * If number_of_bytes is zero, don't output any data but instead wait until + * the console has output all data, then return 0. + */ +asmlinkage size_t fsp_write_line(uint8_t *buffer, size_t number_of_bytes); + #endif /* _FSP2_0_DEBUG_H_ */ |