1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Serial IO defintiions (taken from coreboot file of same name) 4 * 5 * Copyright 2019 Google LLC 6 */ 7 8 #ifndef __ARCH_BROADWELL_SERIALIO_H_ 9 #define __ARCH_BROADWELL_SERIALIO_H_ 10 11 /* Serial IO IOBP Registers */ 12 #include <linux/bitops.h> 13 #define SIO_IOBP_PORTCTRL0 0xcb000000 /* SDIO D23:F0 */ 14 #define SIO_IOBP_PORTCTRL0_ACPI_IRQ_EN BIT(5) 15 #define SIO_IOBP_PORTCTRL0_PCI_CONF_DIS BIT(4) 16 #define SIO_IOBP_PORTCTRL1 0xcb000014 /* SDIO D23:F0 */ 17 #define SIO_IOBP_PORTCTRL1_SNOOP_SELECT(x) (((x) & 3) << 13) 18 #define SIO_IOBP_GPIODF 0xcb000154 19 #define SIO_IOBP_GPIODF_SDIO_IDLE_DET_EN BIT(4) 20 #define SIO_IOBP_GPIODF_DMA_IDLE_DET_EN BIT(3) 21 #define SIO_IOBP_GPIODF_UART_IDLE_DET_EN BIT(2) 22 #define SIO_IOBP_GPIODF_I2C_IDLE_DET_EN BIT(1) 23 #define SIO_IOBP_GPIODF_SPI_IDLE_DET_EN BIT(0) 24 #define SIO_IOBP_GPIODF_UART0_BYTE_ACCESS BIT(10) 25 #define SIO_IOBP_GPIODF_UART1_BYTE_ACCESS BIT(11) 26 #define SIO_IOBP_PORTCTRL2 0xcb000240 /* DMA D21:F0 */ 27 #define SIO_IOBP_PORTCTRL3 0xcb000248 /* I2C0 D21:F1 */ 28 #define SIO_IOBP_PORTCTRL4 0xcb000250 /* I2C1 D21:F2 */ 29 #define SIO_IOBP_PORTCTRL5 0xcb000258 /* SPI0 D21:F3 */ 30 #define SIO_IOBP_PORTCTRL6 0xcb000260 /* SPI1 D21:F4 */ 31 #define SIO_IOBP_PORTCTRL7 0xcb000268 /* UART0 D21:F5 */ 32 #define SIO_IOBP_PORTCTRL8 0xcb000270 /* UART1 D21:F6 */ 33 #define SIO_IOBP_PORTCTRLX(x) (0xcb000240 + ((x) * 8)) 34 /* PORTCTRL 2-8 have the same layout */ 35 #define SIO_IOBP_PORTCTRL_ACPI_IRQ_EN BIT(21) 36 #define SIO_IOBP_PORTCTRL_PCI_CONF_DIS BIT(20) 37 #define SIO_IOBP_PORTCTRL_SNOOP_SELECT(x) (((x) & 3) << 18) 38 #define SIO_IOBP_PORTCTRL_INT_PIN(x) (((x) & 0xf) << 2) 39 #define SIO_IOBP_PORTCTRL_PM_CAP_PRSNT BIT(1) 40 #define SIO_IOBP_FUNCDIS0 0xce00aa07 /* DMA D21:F0 */ 41 #define SIO_IOBP_FUNCDIS1 0xce00aa47 /* I2C0 D21:F1 */ 42 #define SIO_IOBP_FUNCDIS2 0xce00aa87 /* I2C1 D21:F2 */ 43 #define SIO_IOBP_FUNCDIS3 0xce00aac7 /* SPI0 D21:F3 */ 44 #define SIO_IOBP_FUNCDIS4 0xce00ab07 /* SPI1 D21:F4 */ 45 #define SIO_IOBP_FUNCDIS5 0xce00ab47 /* UART0 D21:F5 */ 46 #define SIO_IOBP_FUNCDIS6 0xce00ab87 /* UART1 D21:F6 */ 47 #define SIO_IOBP_FUNCDIS7 0xce00ae07 /* SDIO D23:F0 */ 48 #define SIO_IOBP_FUNCDIS_DIS BIT(8) 49 50 /* Serial IO Devices */ 51 #define SIO_ID_SDMA 0 /* D21:F0 */ 52 #define SIO_ID_I2C0 1 /* D21:F1 */ 53 #define SIO_ID_I2C1 2 /* D21:F2 */ 54 #define SIO_ID_SPI0 3 /* D21:F3 */ 55 #define SIO_ID_SPI1 4 /* D21:F4 */ 56 #define SIO_ID_UART0 5 /* D21:F5 */ 57 #define SIO_ID_UART1 6 /* D21:F6 */ 58 #define SIO_ID_SDIO 7 /* D23:F0 */ 59 60 #define SIO_REG_PPR_CLOCK 0x800 61 #define SIO_REG_PPR_CLOCK_EN BIT(0) 62 #define SIO_REG_PPR_CLOCK_UPDATE BIT(31) 63 #define SIO_REG_PPR_CLOCK_M_DIV 0x25a 64 #define SIO_REG_PPR_CLOCK_N_DIV 0x7fff 65 #define SIO_REG_PPR_RST 0x804 66 #define SIO_REG_PPR_RST_ASSERT 0x3 67 #define SIO_REG_PPR_GEN 0x808 68 #define SIO_REG_PPR_GEN_LTR_MODE_MASK BIT(2) 69 #define SIO_REG_PPR_GEN_VOLTAGE_MASK BIT(3) 70 #define SIO_REG_PPR_GEN_VOLTAGE(x) ((x & 1) << 3) 71 #define SIO_REG_AUTO_LTR 0x814 72 73 #define SIO_REG_SDIO_PPR_GEN 0x1008 74 #define SIO_REG_SDIO_PPR_SW_LTR 0x1010 75 #define SIO_REG_SDIO_PPR_CMD12 0x3c 76 #define SIO_REG_SDIO_PPR_CMD12_B30 BIT(30) 77 78 #define SIO_PIN_INTA 1 /* IRQ5 in ACPI mode */ 79 #define SIO_PIN_INTB 2 /* IRQ6 in ACPI mode */ 80 #define SIO_PIN_INTC 3 /* IRQ7 in ACPI mode */ 81 #define SIO_PIN_INTD 4 /* IRQ13 in ACPI mode */ 82 83 #endif /* __ARCH_BROADWELL_SERIALIO_H_ */ 84