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| author | Furquan Shaikh <furquan@chromium.org> | 2017-07-30 13:06:38 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2017-08-04 15:27:50 +0000 |
| commit | 1679c42292ecfa3151fae8b7567b4c9d9e83ba75 (patch) | |
| tree | f7c8e1c753f4b52e27b69d9bdf72d2b40c2cb7dd /src/drivers | |
| parent | c4f60f33bd4ac3aa1adee05b4e91969c5327b09c (diff) | |
| download | coreboot-1679c42292ecfa3151fae8b7567b4c9d9e83ba75.tar.xz | |
drivers/uart: Use baudrate of 115200 by default
If TTYS0_BAUD is not configured, then by default use baudrate of 115200.
BUG=b:64030366
Change-Id: Ida4c7ae77aba5dfd4ec331e22a54ce43a91bde00
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/20834
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/uart/util.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/drivers/uart/util.c b/src/drivers/uart/util.c index f0f885d532..882e3ae784 100644 --- a/src/drivers/uart/util.c +++ b/src/drivers/uart/util.c @@ -18,6 +18,8 @@ #include "option_table.h" #endif +#define DEFAULT_BAUDRATE 115200 + unsigned int default_baudrate(void) { #if !defined(__SMM__) && IS_ENABLED(CONFIG_USE_OPTION_TABLE) @@ -33,7 +35,11 @@ unsigned int default_baudrate(void) if (b_index < 8) return baud[b_index]; #endif - return CONFIG_TTYS0_BAUD; + /* + * If TTYS0_BAUD is not configured, then by default use 115200 as the + * baud rate. + */ + return CONFIG_TTYS0_BAUD ? CONFIG_TTYS0_BAUD : DEFAULT_BAUDRATE; } /* Calculate divisor. Do not floor but round to nearest integer. */ |