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authorLee Leahy <leroy.p.leahy@intel.com>2016-08-09 09:04:45 -0700
committerLee Leahy <leroy.p.leahy@intel.com>2016-08-10 22:30:46 +0200
commit00a38a4a9e668caf573517051aafff9eba61def3 (patch)
tree3e7ba7ce7ed5d1f0c45aac9ab03a825868f0a7b8 /src
parentc52a4f7328b37a5f02d65e8328f551c2168fc8dd (diff)
downloadcoreboot-00a38a4a9e668caf573517051aafff9eba61def3.tar.xz
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')
-rw-r--r--src/drivers/intel/fsp2_0/debug.c7
-rw-r--r--src/drivers/intel/fsp2_0/include/fsp/debug.h9
2 files changed, 16 insertions, 0 deletions
diff --git a/src/drivers/intel/fsp2_0/debug.c b/src/drivers/intel/fsp2_0/debug.c
index 5053b5e8ff..6d88f024ae 100644
--- a/src/drivers/intel/fsp2_0/debug.c
+++ b/src/drivers/intel/fsp2_0/debug.c
@@ -10,9 +10,16 @@
*/
#include <console/console.h>
+#include <console/streams.h>
#include <fsp/util.h>
#include <soc/intel/common/util.h>
+asmlinkage size_t fsp_write_line(uint8_t *buffer, size_t number_of_bytes)
+{
+ console_write_line(buffer, number_of_bytes);
+ return number_of_bytes;
+}
+
/*-----------
* MemoryInit
*-----------
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_ */