diff options
Diffstat (limited to 'src/soc/intel/skylake/include/soc/serialio.h')
| -rw-r--r-- | src/soc/intel/skylake/include/soc/serialio.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/include/soc/serialio.h b/src/soc/intel/skylake/include/soc/serialio.h new file mode 100644 index 0000000000..2fd6dca973 --- /dev/null +++ b/src/soc/intel/skylake/include/soc/serialio.h @@ -0,0 +1,94 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2014 Google Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _BROADWELL_SERIALIO_H_ +#define _BROADWELL_SERIALIO_H_ + +/* Serial IO IOBP Registers */ +#define SIO_IOBP_PORTCTRL0 0xcb000000 /* SDIO D23:F0 */ +#define SIO_IOBP_PORTCTRL0_ACPI_IRQ_EN (1 << 5) +#define SIO_IOBP_PORTCTRL0_PCI_CONF_DIS (1 << 4) +#define SIO_IOBP_PORTCTRL1 0xcb000014 /* SDIO D23:F0 */ +#define SIO_IOBP_PORTCTRL1_SNOOP_SELECT(x) (((x) & 3) << 13) +#define SIO_IOBP_GPIODF 0xcb000154 +#define SIO_IOBP_GPIODF_SDIO_IDLE_DET_EN (1 << 4) +#define SIO_IOBP_GPIODF_DMA_IDLE_DET_EN (1 << 3) +#define SIO_IOBP_GPIODF_UART_IDLE_DET_EN (1 << 2) +#define SIO_IOBP_GPIODF_I2C_IDLE_DET_EN (1 << 1) +#define SIO_IOBP_GPIODF_SPI_IDLE_DET_EN (1 << 0) +#define SIO_IOBP_GPIODF_UART0_BYTE_ACCESS (1 << 10) +#define SIO_IOBP_GPIODF_UART1_BYTE_ACCESS (1 << 11) +#define SIO_IOBP_PORTCTRL2 0xcb000240 /* DMA D21:F0 */ +#define SIO_IOBP_PORTCTRL3 0xcb000248 /* I2C0 D21:F1 */ +#define SIO_IOBP_PORTCTRL4 0xcb000250 /* I2C1 D21:F2 */ +#define SIO_IOBP_PORTCTRL5 0xcb000258 /* SPI0 D21:F3 */ +#define SIO_IOBP_PORTCTRL6 0xcb000260 /* SPI1 D21:F4 */ +#define SIO_IOBP_PORTCTRL7 0xcb000268 /* UART0 D21:F5 */ +#define SIO_IOBP_PORTCTRL8 0xcb000270 /* UART1 D21:F6 */ +#define SIO_IOBP_PORTCTRLX(x) (0xcb000240 + ((x) * 8)) +/* PORTCTRL 2-8 have the same layout */ +#define SIO_IOBP_PORTCTRL_ACPI_IRQ_EN (1 << 21) +#define SIO_IOBP_PORTCTRL_PCI_CONF_DIS (1 << 20) +#define SIO_IOBP_PORTCTRL_SNOOP_SELECT(x) (((x) & 3) << 18) +#define SIO_IOBP_PORTCTRL_INT_PIN(x) (((x) & 0xf) << 2) +#define SIO_IOBP_PORTCTRL_PM_CAP_PRSNT (1 << 1) +#define SIO_IOBP_FUNCDIS0 0xce00aa07 /* DMA D21:F0 */ +#define SIO_IOBP_FUNCDIS1 0xce00aa47 /* I2C0 D21:F1 */ +#define SIO_IOBP_FUNCDIS2 0xce00aa87 /* I2C1 D21:F2 */ +#define SIO_IOBP_FUNCDIS3 0xce00aac7 /* SPI0 D21:F3 */ +#define SIO_IOBP_FUNCDIS4 0xce00ab07 /* SPI1 D21:F4 */ +#define SIO_IOBP_FUNCDIS5 0xce00ab47 /* UART0 D21:F5 */ +#define SIO_IOBP_FUNCDIS6 0xce00ab87 /* UART1 D21:F6 */ +#define SIO_IOBP_FUNCDIS7 0xce00ae07 /* SDIO D23:F0 */ +#define SIO_IOBP_FUNCDIS_DIS (1 << 8) + +/* Serial IO Devices */ +#define SIO_ID_SDMA 0 /* D21:F0 */ +#define SIO_ID_I2C0 1 /* D21:F1 */ +#define SIO_ID_I2C1 2 /* D21:F2 */ +#define SIO_ID_SPI0 3 /* D21:F3 */ +#define SIO_ID_SPI1 4 /* D21:F4 */ +#define SIO_ID_UART0 5 /* D21:F5 */ +#define SIO_ID_UART1 6 /* D21:F6 */ +#define SIO_ID_SDIO 7 /* D23:F0 */ + +#define SIO_REG_PPR_CLOCK 0x800 +#define SIO_REG_PPR_CLOCK_EN (1 << 0) +#define SIO_REG_PPR_CLOCK_UPDATE (1 << 31) +#define SIO_REG_PPR_CLOCK_M_DIV 0x25a +#define SIO_REG_PPR_CLOCK_N_DIV 0x7fff +#define SIO_REG_PPR_RST 0x804 +#define SIO_REG_PPR_RST_ASSERT 0x3 +#define SIO_REG_PPR_GEN 0x808 +#define SIO_REG_PPR_GEN_LTR_MODE_MASK (1 << 2) +#define SIO_REG_PPR_GEN_VOLTAGE_MASK (1 << 3) +#define SIO_REG_PPR_GEN_VOLTAGE(x) ((x & 1) << 3) +#define SIO_REG_AUTO_LTR 0x814 + +#define SIO_REG_SDIO_PPR_GEN 0x1008 +#define SIO_REG_SDIO_PPR_SW_LTR 0x1010 +#define SIO_REG_SDIO_PPR_CMD12 0x3c +#define SIO_REG_SDIO_PPR_CMD12_B30 (1 << 30) + +#define SIO_PIN_INTA 1 /* IRQ5 in ACPI mode */ +#define SIO_PIN_INTB 2 /* IRQ6 in ACPI mode */ +#define SIO_PIN_INTC 3 /* IRQ7 in ACPI mode */ +#define SIO_PIN_INTD 4 /* IRQ13 in ACPI mode */ + +#endif |