diff --git a/src/mainboard/google/brya/variants/gimble/Makefile.inc b/src/mainboard/google/brya/variants/gimble/Makefile.inc new file mode 100644 index 0000000000..8fe978f6ef --- /dev/null +++ b/src/mainboard/google/brya/variants/gimble/Makefile.inc @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only +bootblock-y += gpio.c + +ramstage-y += gpio.c diff --git a/src/mainboard/google/brya/variants/gimble/gpio.c b/src/mainboard/google/brya/variants/gimble/gpio.c new file mode 100644 index 0000000000..d47c732e6b --- /dev/null +++ b/src/mainboard/google/brya/variants/gimble/gpio.c @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#include +#include +#include +#include +#include + +/* Pad configuration in ramstage */ +static const struct pad_config override_gpio_table[] = { + /* A6 : ESPI_ALERT1# ==> NC */ + PAD_NC(GPP_A6, NONE), + /* A7 : SRCCLK_OE7# ==> NC */ + PAD_NC(GPP_A7, NONE), + /* A8 : SRCCLKREQ7# ==> NC */ + PAD_NC(GPP_A8, NONE), + /* A12 : SATAXPCIE1 ==> NC */ + PAD_NC(GPP_A12, NONE), + /* A14 : USB_OC1# ==> NC */ + PAD_NC(GPP_A14, NONE), + /* A15 : USB_OC2# ==> NC */ + PAD_NC(GPP_A15, NONE), + /* A18 : DDSP_HPDB ==> NC */ + PAD_NC(GPP_A18, NONE), + /* A21 : DDPC_CTRCLK ==> NC */ + PAD_NC(GPP_A21, NONE), + /* A22 : DDPC_CTRLDATA ==> NC */ + PAD_NC(GPP_A22, NONE), + + /* B3 : PROC_GP2 ==> NC */ + PAD_NC(GPP_B3, NONE), + /* B5 : ISH_I2C0_SDA ==> NC */ + PAD_NC(GPP_B5, NONE), + /* B6 : ISH_I2C0_SCL ==> NC */ + PAD_NC(GPP_B6, NONE), + + /* C3 : SML0CLK ==> NC */ + PAD_NC(GPP_C3, NONE), + /* C4 : SML0DATA ==> NC */ + PAD_NC(GPP_C4, NONE), + + /* D3 : ISH_GP3 ==> NC */ + PAD_NC(GPP_D3, NONE), + /* D5 : SRCCLKREQ0# ==> NC */ + PAD_NC(GPP_D5, NONE), + /* D9 : ISH_SPI_CS# ==> NC */ + PAD_NC(GPP_D9, NONE), + /* D15 : ISH_UART0_RTS# ==> NC */ + PAD_NC(GPP_D15, NONE), + /* D17 : UART1_RXD ==> NC */ + PAD_NC(GPP_D17, NONE), + + /* E0 : SATAXPCIE0 ==> NC */ + PAD_NC(GPP_E0, NONE), + /* E3 : PROC_GP0 ==> NC */ + PAD_NC(GPP_E3, NONE), + /* E4 : SATA_DEVSLP0 ==> NC */ + PAD_NC(GPP_E4, NONE), + /* E7 : PROC_GP1 ==> NC */ + PAD_NC(GPP_E7, NONE), + /* E10 : THC0_SPI1_CS# ==> NC */ + PAD_NC(GPP_E10, NONE), + /* E16 : RSVD_TP ==> NC */ + PAD_NC(GPP_E16, NONE), + /* E17 : THC0_SPI1_INT# ==> NC */ + PAD_NC(GPP_E17, NONE), + /* E18 : DDP1_CTRLCLK ==> NC */ + PAD_NC(GPP_E18, NONE), + /* E20 : DDP2_CTRLCLK ==> NC */ + PAD_NC(GPP_E20, NONE), + + /* F6 : CNV_PA_BLANKING ==> NC */ + PAD_NC(GPP_F6, NONE), + /* F19 : SRCCLKREQ6# ==> NC */ + PAD_NC(GPP_F19, NONE), + /* F20 : EXT_PWR_GATE# ==> NC */ + PAD_NC(GPP_F20, NONE), + /* F21 : EXT_PWR_GATE2# ==> NC */ + PAD_NC(GPP_F21, NONE), + + /* H8 : I2C4_SDA ==> NC */ + PAD_NC(GPP_H8, NONE), + /* H9 : I2C4_SCL ==> NC */ + PAD_NC(GPP_H9, NONE), + /* H15 : DDPB_CTRLCLK ==> NC */ + PAD_NC(GPP_H15, NONE), + /* H17 : DDPB_CTRLDATA ==> NC*/ + PAD_NC(GPP_H17, NONE), + /* H19 : SRCCLKREQ4# ==> NC */ + PAD_NC(GPP_H19, NONE), + /* H21 : IMGCLKOUT2 ==> NC */ + PAD_NC(GPP_H21, NONE), + /* H22 : IMGCLKOUT3 ==> NC */ + PAD_NC(GPP_H22, NONE), + /* H23 : SRCCLKREQ5# ==> NC */ + PAD_NC(GPP_H23, NONE), + + /* S4 : SNDW2_CLK ==> NC */ + PAD_NC(GPP_S4, NONE), + /* S5 : SNDW2_DATA ==> NC */ + PAD_NC(GPP_S5, NONE), + /* S6 : SNDW3_CLK ==> NC */ + PAD_NC(GPP_S6, NONE), + /* S7 : SNDW3_DATA ==> NC */ + PAD_NC(GPP_S7, NONE), +}; + +/* Early pad configuration in bootblock */ +static const struct pad_config early_gpio_table[] = { + /* A13 : PMC_I2C_SCL ==> GSC_PCH_INT_ODL */ + PAD_CFG_GPI_APIC(GPP_A13, NONE, PLTRST, LEVEL, INVERT), + /* B7 : ISH_12C1_SDA ==> PCH_I2C_TPM_SDA */ + PAD_CFG_NF(GPP_B7, NONE, DEEP, NF2), + /* B8 : ISH_12C1_SCL ==> PCH_I2C_TPM_SCL */ + PAD_CFG_NF(GPP_B8, NONE, DEEP, NF2), + /* + * D1 : ISH_GP1 ==> FP_RST_ODL + * FP_RST_ODL comes out of reset as hi-z and does not have an external pull-down. + * To ensure proper power sequencing for the FPMCU device, reset signal is driven low + * early on in bootblock, followed by enabling of power. Reset signal is deasserted + * later on in ramstage. Since reset signal is asserted in bootblock, it results in + * FPMCU not working after a S3 resume. This is a known issue. + */ + PAD_CFG_GPO(GPP_D1, 0, DEEP), + /* D2 : ISH_GP2 ==> EN_FP_PWR */ + PAD_CFG_GPO(GPP_D2, 1, DEEP), + /* E0 : SATAXPCIE0 ==> NC */ + PAD_NC(GPP_E0, NONE), + /* E13 : THC0_SPI1_IO2 ==> MEM_CH_SEL */ + PAD_CFG_GPI(GPP_E13, NONE, DEEP), + /* E15 : RSVD_TP ==> PCH_WP_OD */ + PAD_CFG_GPI_GPIO_DRIVER(GPP_E15, NONE, DEEP), + /* E16 : RSVD_TP ==> NC */ + PAD_NC(GPP_E16, NONE), + /* H10 : UART0_RXD ==> UART_PCH_RX_DBG_TX */ + PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2), + /* H11 : UART0_TXD ==> UART_PCH_TX_DBG_RX */ + PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2), + /* H13 : I2C7_SCL ==> EN_PP3300_SD */ + PAD_NC(GPP_H13, UP_20K), +}; + +const struct pad_config *variant_gpio_override_table(size_t *num) +{ + *num = ARRAY_SIZE(override_gpio_table); + return override_gpio_table; +} + +const struct pad_config *variant_early_gpio_table(size_t *num) +{ + *num = ARRAY_SIZE(early_gpio_table); + return early_gpio_table; +}