Ren Kuo has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/55352 )
Change subject: mb/google/dedede/var/lalala: Set write protection pin of CBI ......................................................................
mb/google/dedede/var/lalala: Set write protection pin of CBI
Set `GPP_B16` pin to GPO of lalala hardware design change: CBI_EEPROM_WP is changed to be controlled through an AP GPIO(GP_B16) with lock function
BUG=b:184592299 TEST=check the GPIO pin function
Signed-off-by: Ren Kuo ren.kuo@quanta.corp-partner.google.com Change-Id: I6a67cb49b6ba5147fb964cd468d4aa84cff3c4e4 --- M src/mainboard/google/dedede/variants/lalala/Makefile.inc A src/mainboard/google/dedede/variants/lalala/gpio.c 2 files changed, 19 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/55352/1
diff --git a/src/mainboard/google/dedede/variants/lalala/Makefile.inc b/src/mainboard/google/dedede/variants/lalala/Makefile.inc index 24c75d1..04eb9a4 100644 --- a/src/mainboard/google/dedede/variants/lalala/Makefile.inc +++ b/src/mainboard/google/dedede/variants/lalala/Makefile.inc @@ -1,3 +1,4 @@ ## SPDX-License-Identifier: GPL-2.0-or-later
+ramstage-y += gpio.c ramstage-$(CONFIG_FW_CONFIG) += variant.c diff --git a/src/mainboard/google/dedede/variants/lalala/gpio.c b/src/mainboard/google/dedede/variants/lalala/gpio.c new file mode 100644 index 0000000..fb146f8 --- /dev/null +++ b/src/mainboard/google/dedede/variants/lalala/gpio.c @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include <baseboard/gpio.h> +#include <baseboard/variants.h> +#include <commonlib/helpers.h> +#include <vendorcode/google/chromeos/chromeos.h> + +/* Pad configuration in ramstage*/ +static const struct pad_config gpio_table[] = { + /* B6 : PCIE_CLKREQ1_N */ + PAD_CFG_GPO(GPP_B16, 0, DEEP), +}; + +const struct pad_config *variant_override_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(gpio_table); + return gpio_table; +}