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-rw-r--r--src/southbridge/intel/lynxpoint/pch.c24
-rw-r--r--src/southbridge/intel/lynxpoint/pch.h34
2 files changed, 58 insertions, 0 deletions
diff --git a/src/southbridge/intel/lynxpoint/pch.c b/src/southbridge/intel/lynxpoint/pch.c
index 1fb49158ee..41c596c43a 100644
--- a/src/southbridge/intel/lynxpoint/pch.c
+++ b/src/southbridge/intel/lynxpoint/pch.c
@@ -61,6 +61,27 @@ static void pch_hide_devfn(unsigned devfn)
case PCI_DEVFN(20, 0): /* XHCI */
RCBA32_OR(FD, PCH_DISABLE_XHCI);
break;
+ case PCI_DEVFN(21, 0): /* DMA */
+ pch_iobp_update(SIO_IOBP_FUNCDIS0, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 1): /* I2C0 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS1, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 2): /* I2C1 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS2, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 3): /* SPI0 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS3, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 4): /* SPI1 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS4, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 5): /* UART0 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS5, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
+ case PCI_DEVFN(21, 6): /* UART1 */
+ pch_iobp_update(SIO_IOBP_FUNCDIS6, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
case PCI_DEVFN(22, 0): /* MEI #1 */
RCBA32_OR(FD2, PCH_DISABLE_MEI1);
break;
@@ -73,6 +94,9 @@ static void pch_hide_devfn(unsigned devfn)
case PCI_DEVFN(22, 3): /* KT */
RCBA32_OR(FD2, PCH_DISABLE_KT);
break;
+ case PCI_DEVFN(23, 0): /* SDIO */
+ pch_iobp_update(SIO_IOBP_FUNCDIS7, ~0UL, SIO_IOBP_FUNCDIS_DIS);
+ break;
case PCI_DEVFN(25, 0): /* Gigabit Ethernet */
RCBA32_OR(BUC, PCH_DISABLE_GBE);
break;
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index 6739843141..f265448a6a 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -244,6 +244,40 @@ unsigned get_gpios(const int *gpio_num_array);
#define SATA_IOBP_SP0G3IR 0xea000151
#define SATA_IOBP_SP1G3IR 0xea000051
+/* 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_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 */
+/* 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_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)
+
/* PCI Configuration Space (D31:F3): SMBus */
#define PCH_SMBUS_DEV PCI_DEV(0, 0x1f, 3)
#define SMB_BASE 0x20