diff options
| author | Andrey Petrov <andrey.petrov@intel.com> | 2016-02-10 17:47:03 -0800 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-02-11 21:16:45 +0100 |
| commit | 87fb1a6cdbb58d5031f0dcf9b8ddf200df70a068 (patch) | |
| tree | 0726805fa683a33d4508ddb731e1cad33423620e /src/mainboard | |
| parent | 57799dcdd1d80e8f1c8f5cd602796c34522bbb15 (diff) | |
| download | coreboot-87fb1a6cdbb58d5031f0dcf9b8ddf200df70a068.tar.xz | |
soc/apollolake: Add early serial driver for BOOTBLOCK_CONSOLE
Early UART driver is for bootblock and romstage. It is supposed to be used
when BOOTBLOCK_CONSOLE is enabled. This also adds few configuration bits
in bootblock requiered for serial to be set up.
Change-Id: I15520d566f107797e68d618885d4379e73d0fa45
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/13677
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/intel/apollolake_rvp/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/mainboard/intel/apollolake_rvp/bootblock.c | 30 |
2 files changed, 31 insertions, 1 deletions
diff --git a/src/mainboard/intel/apollolake_rvp/Makefile.inc b/src/mainboard/intel/apollolake_rvp/Makefile.inc index a48936e5da..8501868fbf 100644 --- a/src/mainboard/intel/apollolake_rvp/Makefile.inc +++ b/src/mainboard/intel/apollolake_rvp/Makefile.inc @@ -1 +1 @@ -# Nothing yet here +bootblock-y += bootblock.c diff --git a/src/mainboard/intel/apollolake_rvp/bootblock.c b/src/mainboard/intel/apollolake_rvp/bootblock.c new file mode 100644 index 0000000000..c1b7d411aa --- /dev/null +++ b/src/mainboard/intel/apollolake_rvp/bootblock.c @@ -0,0 +1,30 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 Intel Corp. + * (Written by Andrey Petrov <andrey.petrov@intel.com> for Intel Corp.) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <bootblock_common.h> +#include <console/console.h> +#include <soc/gpio.h> +#include <soc/gpio_defs.h> +#include <soc/uart.h> + +static struct pad_config aplk_rvp_gpios[] = { + PAD_CFG_NF(GPIO_46, NATIVE, DEEP, NF1), /* UART2 RX*/ + PAD_CFG_NF(GPIO_47, NATIVE, DEEP, NF1) /* UART2 TX*/ +}; + +void bootblock_mainboard_early_init(void) +{ + if (IS_ENABLED(CONFIG_BOOTBLOCK_CONSOLE)) { + gpio_configure_pads(aplk_rvp_gpios, ARRAY_SIZE(aplk_rvp_gpios)); + lpss_console_uart_init(); + } +} |