diff options
| author | Naveen Krishna Chatradhi <naveenkrishna.ch@intel.com> | 2015-05-18 21:25:52 +0530 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-21 20:18:33 +0200 |
| commit | 46ca690ec0bf3237c3a3aeaf209e9465ab3086b7 (patch) | |
| tree | b3e8deba898054373e677da1779f8af0881d348a /src | |
| parent | a73408d608d963c989debc08953672b0e03a7fdb (diff) | |
intel/skylake: support 32bit uart8250_mem driver in romstage
This patch adds 32bit uart8250_mem functionality in romstage
console for arch/x86.
BRANCH=None
BUG=chrome-os-partner:40857
TEST=Built for sklrvp; verified romstage logs on RVP3 board.
Change-Id: I6f13216b7f5ba8de48c781cd1791d0fa7ae0d921
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a17efdeec5524cbfc78015c358d1cf4f67485765
Original-Change-Id: I8b4e44c59bfd609a06807243df338763054b5865
Original-Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.ch@intel.com>
Original-Signed-off-by: Rishavnath Satapathy <rishavnath.satapathy@intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/271800
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Original-Commit-Queue: Wenkai Du <wenkai.du@intel.com>
Original-Tested-by: Wenkai Du <wenkai.du@intel.com>
Reviewed-on: http://review.coreboot.org/10999
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/romstage/uart.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/soc/intel/skylake/romstage/uart.c b/src/soc/intel/skylake/romstage/uart.c index c53643abc6..afc8c63004 100644 --- a/src/soc/intel/skylake/romstage/uart.c +++ b/src/soc/intel/skylake/romstage/uart.c @@ -57,8 +57,9 @@ void pch_uart_init(void) write32(base + SIO_REG_PPR_CLOCK, tmp); /* Put UART2 in byte access mode for 16550 compatibility */ - pcr_andthenor32(PID_SERIALIO, R_PCH_PCR_SERIAL_IO_GPPRVRW7, 0, - SIO_PCH_LEGACY_UART2); + if (!IS_ENABLED(CONFIG_CONSOLE_SERIAL8250MEM_32)) + pcr_andthenor32(PID_SERIALIO, + R_PCH_PCR_SERIAL_IO_GPPRVRW7, 0, SIO_PCH_LEGACY_UART2); /* Configure GPIO for UART2 in native mode*/ uartgpioinit(FALSE); |