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| author | Subrata Banik <subratabanik@google.com> | 2022-01-31 14:31:33 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2022-02-02 06:58:11 +0000 |
| commit | da2827779c81ec1b0038996027d9d506d11a35f0 (patch) | |
| tree | 94d5dab77a4be9e0b1046cf55a7a4477ac624249 /src/mainboard/google/brya/variants/redrix4es | |
| parent | 7e91db714853fcc55b1bc63707f1618908bbf8dd (diff) | |
| download | coreboot-da2827779c81ec1b0038996027d9d506d11a35f0.tar.gz coreboot-da2827779c81ec1b0038996027d9d506d11a35f0.tar.bz2 coreboot-da2827779c81ec1b0038996027d9d506d11a35f0.zip | |
mb/google/brya: Lock TPM pin in brask and brya baseboards
This applies a configuration lock to the TPM I2C and IRQ GPIO for
all brya and brask variants.
BUG=b:208827718
TEST=cat /sys/kernel/debug/pinctrl/INTC1055\:00/pins suggests
I2C_TPM_SDL and I2C_TPM__SDA GPIO PINs are locked.
Signed-off-by: Subrata Banik <subratabanik@google.com>
Change-Id: I4f2a7014faeecd4701ea35ec77ef0e1692516b9d
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61499
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/google/brya/variants/redrix4es')
| -rw-r--r-- | src/mainboard/google/brya/variants/redrix4es/gpio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/redrix4es/gpio.c b/src/mainboard/google/brya/variants/redrix4es/gpio.c index afcb7e911466..a04ebaff81ab 100644 --- a/src/mainboard/google/brya/variants/redrix4es/gpio.c +++ b/src/mainboard/google/brya/variants/redrix4es/gpio.c @@ -20,6 +20,10 @@ static const struct pad_config override_gpio_table[] = { /* B3 : PROC_GP2 ==> NC */ PAD_NC(GPP_B3, NONE), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF_LOCK(GPP_B7, NONE, NF2, LOCK_CONFIG), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF_LOCK(GPP_B8, NONE, NF2, LOCK_CONFIG), /* B15 : TIME_SYNC0 ==> NC */ PAD_NC(GPP_B15, NONE), |