diff options
Diffstat (limited to 'src/mainboard/pcengines/apu2/mainboard.c')
| -rw-r--r-- | src/mainboard/pcengines/apu2/mainboard.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/mainboard/pcengines/apu2/mainboard.c b/src/mainboard/pcengines/apu2/mainboard.c new file mode 100644 index 0000000000..98fe8ddf4a --- /dev/null +++ b/src/mainboard/pcengines/apu2/mainboard.c @@ -0,0 +1,195 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2012 Advanced Micro Devices, 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. + */ + +#include <arch/acpi.h> +#include <arch/io.h> +#include <console/console.h> +#include <cpu/amd/pi/s3_resume.h> +#include <device/device.h> +#include <device/pci.h> +#include <device/pci_def.h> +#include <northbridge/amd/pi/BiosCallOuts.h> +#include <northbridge/amd/pi/agesawrapper.h> +#include <southbridge/amd/pi/hudson/hudson.h> +#include <southbridge/amd/pi/hudson/pci_devs.h> +#include <southbridge/amd/pi/hudson/amd_pci_int_defs.h> +#include <northbridge/amd/pi/00730F01/pci_devs.h> +#include <southbridge/amd/common/amd_pci_util.h> +#include <superio/nuvoton/nct5104d/nct5104d.h> + +#include <cpu/x86/msr.h> +#include <cpu/amd/mtrr.h> + +#define SPD_SIZE 128 +#define PM_RTC_CONTROL 0x56 +#define PM_S_STATE_CONTROL 0xBA + + +/*********************************************************** + * These arrays set up the FCH PCI_INTR registers 0xC00/0xC01. + * This table is responsible for physically routing the PIC and + * IOAPIC IRQs to the different PCI devices on the system. It + * is read and written via registers 0xC00/0xC01 as an + * Index/Data pair. These values are chipset and mainboard + * dependent and should be updated accordingly. + * + * These values are used by the PCI configuration space, + * MP Tables. TODO: Make ACPI use these values too. + */ +static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = { +#if defined(__GNUC__) + [0 ... FCH_INT_TABLE_SIZE-1] = 0x1F, +#endif + /* INTA# - INTH# */ + [0x00] = 0x03,0x03,0x05,0x07,0x0B,0x0A,0x1F,0x1F, + /* Misc-nil,0,1,2, INT from Serial irq */ + [0x08] = 0xFA,0xF1,0x00,0x00,0x1F,0x1F,0x1F,0x1F, + /* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */ + [0x10] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, + [0x18] = 0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* IMC INT0 - 5 */ + [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F,0x00,0x00, + [0x28] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* USB Devs 18/19/22 INTA-C */ + [0x30] = 0x05,0x1F,0x05,0x1F,0x04,0x1F,0x1F,0x1F, + [0x38] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* SATA */ + [0x40] = 0x1F,0x1F,0x00,0x00,0x00,0x00,0x00,0x00, + [0x48] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x50] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x58] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x60] = 0x00,0x00,0x1F +}; + +static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = { +#if defined(__GNUC__) + [0 ... FCH_INT_TABLE_SIZE-1] = 0x1F, +#endif + /* INTA# - INTH# */ + [0x00] = 0x10,0x10,0x12,0x13,0x14,0x15,0x1F,0x1F, + /* Misc-nil,0,1,2, INT from Serial irq */ + [0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F, + /* SCI, SMBUS0, ASF, HDA, FC, RSVD, PerMon, SD */ + [0x10] = 0x09,0x1F,0x1F,0x1F,0x1F,0x1f,0x1F,0x10, + [0x18] = 0x1F,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* IMC INT0 - 5 */ + [0x20] = 0x05,0x1F,0x1F,0x1F,0x1F,0x1F,0x00,0x00, + [0x28] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* USB Devs 18/19/20/22 INTA-C */ + [0x30] = 0x12,0x1f,0x12,0x1F,0x12,0x1F,0x1F,0x00, + [0x38] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + /* SATA */ + [0x40] = 0x1f,0x13,0x00,0x00,0x00,0x00,0x00,0x00, + [0x48] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x50] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x58] = 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, + [0x60] = 0x00,0x00,0x1F +}; + +/* + * This table defines the index into the picr/intr_data + * tables for each device. Any enabled device and slot + * that uses hardware interrupts should have an entry + * in this table to define its index into the FCH + * PCI_INTR register 0xC00/0xC01. This index will define + * the interrupt that it should use. Putting PIRQ_A into + * the PIN A index for a device will tell that device to + * use PIC IRQ 10 if it uses PIN A for its hardware INT. + */ +static const struct pirq_struct mainboard_pirq_data[] = { + /* {PCI_devfn, {PIN A, PIN B, PIN C, PIN D}}, */ + {GFX_DEVFN, {PIRQ_A, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* VGA: 01.0 */ + {ACTL_DEVFN,{PIRQ_NC, PIRQ_B, PIRQ_NC, PIRQ_NC}}, /* Audio: 01.1 */ + {NB_PCIE_PORT1_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* x4 PCIe: 02.1 */ + {NB_PCIE_PORT2_DEVFN, {PIRQ_B, PIRQ_C, PIRQ_D, PIRQ_A}}, /* mPCIe: 02.2 */ + {NB_PCIE_PORT3_DEVFN, {PIRQ_C, PIRQ_D, PIRQ_A, PIRQ_B}}, /* NIC: 02.3 */ + {XHCI_DEVFN, {PIRQ_C, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* XHCI: 10.0 */ + {SATA_DEVFN, {PIRQ_SATA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* SATA: 11.0 */ + {OHCI1_DEVFN, {PIRQ_OHCI1, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI1: 12.0 */ + {EHCI1_DEVFN, {PIRQ_NC, PIRQ_EHCI1, PIRQ_NC, PIRQ_NC}}, /* EHCI1: 12.2 */ + {OHCI2_DEVFN, {PIRQ_OHCI2, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI2: 13.0 */ + {EHCI2_DEVFN, {PIRQ_NC, PIRQ_EHCI2, PIRQ_NC, PIRQ_NC}}, /* EHCI2: 13.2 */ + {SMBUS_DEVFN, {PIRQ_SMBUS, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* SMBUS: 14.0 */ + {HDA_DEVFN, {PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* HDA: 14.2 */ + {SD_DEVFN, {PIRQ_SD, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* SD: 14.7 */ + {OHCI3_DEVFN, {PIRQ_OHCI3, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI3: 16.0 (same device as xHCI 10.0) */ + {EHCI3_DEVFN, {PIRQ_NC, PIRQ_EHCI3, PIRQ_NC, PIRQ_NC}}, /* EHCI3: 16.2 (same device as xHCI 10.1) */ +}; + +/* PIRQ Setup */ +static void pirq_setup(void) +{ + pirq_data_ptr = mainboard_pirq_data; + pirq_data_size = sizeof(mainboard_pirq_data) / sizeof(struct pirq_struct); + intr_data_ptr = mainboard_intr_data; + picr_data_ptr = mainboard_picr_data; +} + +/* Wrapper to enable GPIO/UART devices under menuconfig. Revisit + * once configuration file format for SPI flash storage is complete. + */ +#define SIO_PORT 0x2e + +static void config_gpio_mux(void) +{ + struct device *uart, *gpio; + + uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP3); + gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO0); + if (uart) + uart->enabled = CONFIG_APU2_PINMUX_UART_C; + if (gpio) + gpio->enabled = CONFIG_APU2_PINMUX_GPIO0; + + uart = dev_find_slot_pnp(SIO_PORT, NCT5104D_SP4); + gpio = dev_find_slot_pnp(SIO_PORT, NCT5104D_GPIO1); + if (uart) + uart->enabled = CONFIG_APU2_PINMUX_UART_D; + if (gpio) + gpio->enabled = CONFIG_APU2_PINMUX_GPIO1; +} + +/********************************************** + * enable the dedicated function in mainboard. + **********************************************/ + +static void mainboard_enable(device_t dev) +{ + printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); + + config_gpio_mux(); + + // + // Enable the RTC output + // + pm_write16 ( PM_RTC_CONTROL, pm_read16( PM_RTC_CONTROL ) | (1 << 11)); + + // + // Enable power on from WAKE# + // + pm_write16 ( PM_S_STATE_CONTROL, pm_read16( PM_S_STATE_CONTROL ) | (1 << 14)); + + if (acpi_is_wakeup_s3()) + agesawrapper_fchs3earlyrestore(); + + /* Initialize the PIRQ data structures for consumption */ + pirq_setup(); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; + + |