/* SPDX-License-Identifier: GPL-2.0-or-later */ #include #include #include #include /* Pad configuration in ramstage */ static const struct pad_config override_gpio_table[] = { /* A7 : SRCCLK_OE7# ==> NC */ PAD_NC(GPP_A7, NONE), /* A17 : DISP_MISCC ==> NC */ PAD_NC(GPP_A17, NONE), /* A19 : DDSP_HPD1 ==> NC */ PAD_NC(GPP_A19, NONE), /* A20 : DDSP_HPD2 ==> NC */ PAD_NC(GPP_A20, NONE), /* A21 : DDPC_CTRCLK ==> NC */ PAD_NC(GPP_A21, NONE), /* A22 : DDPC_CTRLDATA ==> NC */ PAD_NC(GPP_A22, NONE), /* B3 : PROC_GP2 ==> eMMC_PERST_L */ PAD_CFG_GPO_LOCK(GPP_B3, 1, LOCK_CONFIG), /* B5 : ISH_I2C0_SDA ==> NC */ PAD_NC_LOCK(GPP_B5, NONE, LOCK_CONFIG), /* B6 : ISH_I2C0_SCL ==> NC */ PAD_NC_LOCK(GPP_B6, NONE, LOCK_CONFIG), /* 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_LOCK(GPP_B15, NONE, LOCK_CONFIG), /* C3 : SML0CLK ==> NC */ PAD_NC(GPP_C3, NONE), /* C4 : SML0DATA ==> NC */ PAD_NC(GPP_C4, NONE), /* D3 : ISH_GP3 ==> NC */ PAD_NC_LOCK(GPP_D3, NONE, LOCK_CONFIG), /* D5 : SRCCLKREQ0# ==> NC */ PAD_NC(GPP_D5, NONE), /* D7 : SRCCLKREQ2# ==> NC */ PAD_NC(GPP_D7, NONE), /* D13 : ISH_UART0_RXD ==> NC */ PAD_NC_LOCK(GPP_D13, NONE, LOCK_CONFIG), /* D14 : ISH_UART0_TXD ==> NC */ PAD_NC_LOCK(GPP_D14, NONE, LOCK_CONFIG), /* D15 : ISH_UART0_RTS# ==> EN_WCAM_SENR_PWR */ PAD_CFG_GPO_LOCK(GPP_D15, 1, LOCK_CONFIG), /* D16 : ISH_UART0_CTS# ==> NC */ PAD_NC_LOCK(GPP_D16, NONE, LOCK_CONFIG), /* D17 : UART1_RXD ==> NC */ PAD_NC_LOCK(GPP_D17, NONE, LOCK_CONFIG), /* E0 : SATAXPCIE0 ==> WWAN_PERST_L */ PAD_CFG_GPO(GPP_E0, 1, PLTRST), /* E3 : PROC_GP0 ==> NC */ PAD_NC(GPP_E3, NONE), /* E7 : PROC_GP1 ==> NC */ PAD_NC(GPP_E7, NONE), /* E16 : RSVD_TP ==> WWAN_RST_L */ PAD_CFG_GPO(GPP_E16, 1, DEEP), /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_eMMC */ PAD_CFG_GPO(GPP_E20, 1, DEEP), /* E22 : DDPA_CTRLCLK ==> SC_PWR_SV */ PAD_CFG_GPO(GPP_E22, 1, DEEP), /* E23 : DDPA_CTRLDATA ==> NC */ PAD_NC(GPP_E23, NONE), /* F19 : SRCCLKREQ6# ==> EMMC_CLKREQ_ODL */ PAD_CFG_NF(GPP_F19, NONE, DEEP, NF1), /* F20 : EXT_PWR_GATE# ==> NC */ PAD_NC(GPP_F20, NONE), /* H20 : IMGCLKOUT1 ==> NC */ PAD_NC(GPP_H20, NONE), /* H21 : IMGCLKOUT2 ==> Privacy screen */ PAD_CFG_GPO(GPP_H21, 0, DEEP), /* H22 : IMGCLKOUT3 ==> NC */ PAD_NC(GPP_H22, NONE), /* H23 : SRCCLKREQ5# ==> NC */ PAD_NC(GPP_H23, NONE), /* R6 : I2S_PCH_TX_SPKR_RX ==> NC */ PAD_NC(GPP_R6, NONE), /* R7 : I2S_PCH_RX_SPKR_TX ==> NC */ PAD_NC(GPP_R7, 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), /* * E0 : SATAXPCIE0 ==> WWAN_PERST_L * Drive high here, so that PERST_L is sequenced after RST_L */ PAD_CFG_GPO(GPP_E0, 1, DEEP), }; /* Early pad configuration in bootblock */ static const struct pad_config early_gpio_table[] = { /* A12 : SATAXPCIE1 ==> EN_PPVAR_WWAN */ PAD_CFG_GPO(GPP_A12, 1, DEEP), /* 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), /* D11 : ISH_SPI_MISO ==> EN_PP3300_SSD */ PAD_CFG_GPO(GPP_D11, 1, DEEP), /* E0 : SATAXPCIE0 ==> WWAN_PERST_L */ PAD_CFG_GPO(GPP_E0, 0, DEEP), /* 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 ==> WWAN_RST_L */ PAD_CFG_GPO(GPP_E16, 0, DEEP), /* F18 : THC1_SPI2_INT# ==> EC_IN_RW_OD */ PAD_CFG_GPI(GPP_F18, NONE, DEEP), /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (updated in romstage) */ PAD_CFG_GPO(GPP_F21, 0, DEEP), /* 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), /* * enable EN_PP3300_SSD in bootblock, then PERST# is asserted, and * then deassert PERST# in romstage */ /* H13 : I2C7_SCL ==> EN_PP3300_SD */ PAD_CFG_GPO(GPP_H13, 1, DEEP), /* B4 : PROC_GP3 ==> SSD_PERST_L */ PAD_CFG_GPO(GPP_B4, 0, DEEP), /* E20 : USB_C1_LSX_SOC_TX ==> EN_PP3300_MMC */ PAD_CFG_GPO(GPP_E20, 1, DEEP), }; static const struct pad_config romstage_gpio_table[] = { /* B4 : PROC_GP3 ==> SSD_PERST_L */ PAD_CFG_GPO(GPP_B4, 1, DEEP), /* D1 : ISH_GP1 ==> FP_RST_ODL */ PAD_CFG_GPO(GPP_D1, 0, DEEP), /* D2 : ISH_GP2 ==> EN_FP_PWR */ PAD_CFG_GPO(GPP_D2, 0, DEEP), /* F21 : EXT_PWR_GATE2# ==> WWAN_FCPO_L (set here for correct power sequencing) */ PAD_CFG_GPO(GPP_F21, 1, DEEP), }; 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; } const struct pad_config *variant_romstage_gpio_table(size_t *num) { *num = ARRAY_SIZE(romstage_gpio_table); return romstage_gpio_table; }