diff options
| author | Kerry Sheh <shekairui@gmail.com> | 2012-01-19 13:18:36 +0800 |
|---|---|---|
| committer | Marc Jones <marcj303@gmail.com> | 2012-02-07 00:24:48 +0100 |
| commit | 19329c90d3fb9334df7ba7d7c41848b098cdeccc (patch) | |
| tree | 03002df8256b23febef55f6b3badc79947edf89b /src | |
| parent | d0790694b0a66353e5531715648ddaa1a6d577cb (diff) | |
Inagua: mainboard specific GPIO setting
Pcie device connected to Hudson/sb800 southbridge GPP training can works,
by applying this mainbaind specific GPIO PCIE De-Assert setting.
Change-Id: I563b2e6354a958a28f5d0162e7a4d60aa437fb9b
Signed-off-by: Kerry Sheh <shekairui@gmail.com>
Signed-off-by: Kerry Sheh <kerry.she@amd.com>
Reviewed-on: http://review.coreboot.org/543
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/amd/inagua/mainboard.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/src/mainboard/amd/inagua/mainboard.c b/src/mainboard/amd/inagua/mainboard.c index 1fd5faea66..89a3c6b2be 100644 --- a/src/mainboard/amd/inagua/mainboard.c +++ b/src/mainboard/amd/inagua/mainboard.c @@ -26,6 +26,7 @@ #include <cpu/amd/mtrr.h> #include <device/pci_def.h> //#include <southbridge/amd/sb800/sb800.h> +#include "SBPLATFORM.h" /* Platfrom Specific Definitions */ #include "chip.h" void set_pcie_reset(void); @@ -40,11 +41,34 @@ void set_pcie_reset(void) } /** - * TODO * mainboard specific SB CIMx callback */ void set_pcie_dereset(void) { + /** + * GPIO32 Pcie Device DeAssert for APU + * GPIO25 Pcie LAN, APU GPP2 + * GPIO02 MINIPCIE SLOT1, APU GPP3 + * GPIO50 Pcie Device DeAssert for Hudson Southbridge + * GPIO05 Express Card, SB GPP0 + * GPIO26 NEC USB3.0GPPUSB, SB GPP1 + * GPIO00 MINIPCIE SLOT2, SB GPP2 + * GPIO05 Pcie X1 Slot, SB GPP3 + */ + + /* Multi-function pins switch to GPIO0-35, these pins are shared with + * PCI pins, make sure Husson PCI device is disabled. + */ + RWMEM(ACPI_MMIO_BASE + PMIO_BASE + SB_PMIOA_REGEA, AccWidthUint8, ~BIT0, 1); + + /* select IOMux to function1/2, corresponds to GPIO */ + RWMEM(ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG32, AccWidthUint8, ~(BIT0 | BIT1), 1); + RWMEM(ACPI_MMIO_BASE + IOMUX_BASE + SB_GPIO_REG50, AccWidthUint8, ~(BIT0 | BIT1), 2); + + + /* output low */ + RWMEM(ACPI_MMIO_BASE + GPIO_BASE + SB_GPIO_REG32, AccWidthUint8, ~(0xFF), 0x48); + RWMEM(ACPI_MMIO_BASE + GPIO_BASE + SB_GPIO_REG50, AccWidthUint8, ~(0xFF), 0x48); } uint64_t uma_memory_base, uma_memory_size; @@ -95,6 +119,8 @@ static void inagua_enable(device_t dev) uma_memory_base = 0x30000000; /* 1GB system memory supported */ #endif + /* Inagua mainboard specific setting */ + set_pcie_dereset(); } int add_mainboard_resources(struct lb_memory *mem) |