diff options
| author | Bora Guvendik <bora.guvendik@intel.com> | 2016-04-04 17:53:21 -0700 |
|---|---|---|
| committer | Aaron Durbin <adurbin@chromium.org> | 2016-04-13 16:08:38 +0200 |
| commit | 399332d2710137d4a5ca1b9cc2b0416a5291949c (patch) | |
| tree | 10dc81ebc61720dc5d8a59cbb65e7c90091d51b9 /src/mainboard | |
| parent | e07e13d7fdb52bdec6c23a65d96f8be718649c8b (diff) | |
| download | coreboot-399332d2710137d4a5ca1b9cc2b0416a5291949c.tar.xz | |
soc/intel/apollolake: Enable TPM in bootblock stage
Configure gpio FST_SPI_CS2_N before verstage so that tpm can be
accessed.
Change-Id: I238bf1cd508880b686f0625f28175a80de450971
Signed-off-by: Andrey Petrov <andrey.petrov@intel.com>
Reviewed-on: https://review.coreboot.org/14254
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/intel/apollolake_rvp/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/mainboard/intel/apollolake_rvp/bootblock.c | 28 |
2 files changed, 31 insertions, 0 deletions
diff --git a/src/mainboard/intel/apollolake_rvp/Makefile.inc b/src/mainboard/intel/apollolake_rvp/Makefile.inc index e69de29bb2..b2350b9490 100644 --- a/src/mainboard/intel/apollolake_rvp/Makefile.inc +++ b/src/mainboard/intel/apollolake_rvp/Makefile.inc @@ -0,0 +1,3 @@ +bootblock-$(CONFIG_LPC_TPM) += 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..9bfa279a9e --- /dev/null +++ b/src/mainboard/intel/apollolake_rvp/bootblock.c @@ -0,0 +1,28 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2016 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 <soc/gpio.h> + +static const struct pad_config tpm_spi_configs[] = { + PAD_CFG_NF(GPIO_106, NATIVE, DEEP, NF3), /* FST_SPI_CS2_N */ +}; + +static void tpm_enable(void) +{ + /* Configure gpios */ + gpio_configure_pads(tpm_spi_configs, ARRAY_SIZE(tpm_spi_configs)); +} + +void bootblock_mainboard_init(void) { + if (IS_ENABLED(CONFIG_LPC_TPM)) + tpm_enable(); +} |