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| author | Nico Huber <nico.huber@secunet.com> | 2015-09-09 13:27:09 +0200 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2015-09-10 09:19:11 +0000 |
| commit | a7c609c262d5beba968519903fed297dc4b601c1 (patch) | |
| tree | 110a3d4d2b0a6b3c6ca302700ed5cc2daf5bcfae /payloads/libpayload/drivers/serial | |
| parent | 602a82af7cb9ad0c41d4470f82a725a9caec46d4 (diff) | |
| download | coreboot-a7c609c262d5beba968519903fed297dc4b601c1.tar.gz coreboot-a7c609c262d5beba968519903fed297dc4b601c1.tar.bz2 coreboot-a7c609c262d5beba968519903fed297dc4b601c1.zip | |
libpayload: Fix merge of PL011 UART support
Wished I hadn't seen that. Git saw the conflict (file was gone), both
committer and reviewer thought it would be a good idea to re-add it as
dead code (see 558e9b5: libpayload: Add minimal support for PL011 UART).
Change-Id: Ifea8113fbc59e0463eaedb86b976f54ec11113a9
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/11604
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'payloads/libpayload/drivers/serial')
| -rw-r--r-- | payloads/libpayload/drivers/serial/8250.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/serial/8250.c b/payloads/libpayload/drivers/serial/8250.c index e9550f3e3383..7fe9920a6c03 100644 --- a/payloads/libpayload/drivers/serial/8250.c +++ b/payloads/libpayload/drivers/serial/8250.c @@ -67,6 +67,7 @@ static void serial_hardware_init(int speed, int word_bits, { unsigned char reg; +#if !IS_ENABLED(CONFIG_LP_PL011_SERIAL_CONSOLE) /* Disable interrupts. */ serial_write_reg(0, 0x01); @@ -85,6 +86,7 @@ static void serial_hardware_init(int speed, int word_bits, /* Restore the previous value of the divisor. * And set 8 bits per character */ serial_write_reg((reg & ~0x80) | 3, 0x03); +#endif } #endif @@ -139,7 +141,9 @@ void serial_putchar(unsigned int c) { if (!serial_hardware_is_present) return; +#if !IS_ENABLED(CONFIG_LP_PL011_SERIAL_CONSOLE) while ((serial_read_reg(0x05) & 0x20) == 0) ; +#endif serial_write_reg(c, 0x00); if (c == '\n') serial_putchar('\r'); |