diff options
Diffstat (limited to 'src/mainboard/elmex/pcm205400/mainboard.c')
| -rw-r--r-- | src/mainboard/elmex/pcm205400/mainboard.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/mainboard/elmex/pcm205400/mainboard.c b/src/mainboard/elmex/pcm205400/mainboard.c new file mode 100644 index 0000000000..e0440f297a --- /dev/null +++ b/src/mainboard/elmex/pcm205400/mainboard.c @@ -0,0 +1,178 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2014 Sage Electronic Engineering, LLC. + * + * 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 <console/console.h> +#include <device/device.h> +#include <device/pci.h> +#include <arch/io.h> +#include <cpu/x86/msr.h> +#include <device/pci_def.h> +#include <southbridge/amd/common/amd_pci_util.h> +#include <southbridge/amd/cimx/cimx_util.h> +#include <arch/acpi.h> +#include <northbridge/amd/agesa/BiosCallOuts.h> +#include <cpu/amd/agesa/s3_resume.h> +#include <cpu/amd/mtrr.h> +#include "SBPLATFORM.h" +#include <southbridge/amd/cimx/sb800/pci_devs.h> +#include <northbridge/amd/agesa/family14/pci_devs.h> + +void set_pcie_reset(void); +void set_pcie_dereset(void); + +/*********************************************************** + * 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. + * + * The Persimmon PCI INTA/B/C/D pins are connected to + * FCH pins INTE/F/G/H on the schematic so these need + * to be routed as well. + */ +static const u8 mainboard_picr_data[FCH_INT_TABLE_SIZE] = { + /* INTA# - INTH# */ + [0x00] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A,0x0B, + /* Misc-nil,0,1,2, INT from Serial irq */ + [0x08] = 0x00,0xF0,0x00,0x00,0x1F,0x1F,0x1F,0x1F, + /* SCI, SMBUS0, ASF, HDA, FC, GEC, PerfMon */ + [0x10] = 0x1F,0x1F,0x1F,0x0A,0x1F,0x1F,0x1F, + /* IMC INT0 - 5 */ + [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, + /* USB Devs 18/19/20/22 INTA-C */ + [0x30] = 0x0A,0x0B,0x0A,0x0B,0x0A,0x0B,0x0A, + /* IDE, SATA */ + [0x40] = 0x0B,0x0B, + /* GPPInt0 - 3 */ + [0x50] = 0x0A,0x0B,0x0A,0x0B +}; + +static const u8 mainboard_intr_data[FCH_INT_TABLE_SIZE] = { + /* INTA# - INTH# */ + [0x00] = 0x10,0x11,0x12,0x13,0x14,0x15,0x16,0x17, + /* Misc-nil,0,1,2, INT from Serial irq */ + [0x08] = 0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x1F, + /* SCI, SMBUS0, ASF, HDA, FC, GEC, PerMon */ + [0x10] = 0x09,0x1F,0x1F,0x10,0x1F,0x12,0x1F, + /* IMC INT0 - 5 */ + [0x20] = 0x1F,0x1F,0x1F,0x1F,0x1F,0x1F, + /* USB Devs 18/19/22/20 INTA-C */ + [0x30] = 0x12,0x11,0x12,0x11,0x12,0x11,0x12, + /* IDE, SATA */ + [0x40] = 0x11,0x13, + /* GPPInt0 - 3 */ + [0x50] = 0x10,0x11,0x12,0x13 +}; + +/* + * 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. + */ +/* + * Persimmon has PCI slot INTA/B/C/D connected to PIRQE/F/G/H + * but because PCI INT_PIN swizzling isnt implemented to match + * the IDSEL (dev 3) of the slot, the table is adjusted for the + * swizzle and INTA is connected to PIRQH so PINA/B/C/D on + * off-chip devices should get mapped to PIRQH/E/F/G. + */ +static const struct pirq_struct mainboard_pirq_data[] = { + /* {PCI_devfn, {PIN A, PIN B, PIN C, PIN D}}, */ + {GFX_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_NC, PIRQ_NC}}, /* VGA: 01.0 */ + {NB_PCIE_PORT1_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* NIC: 04.0 */ + {NB_PCIE_PORT3_DEVFN, {PIRQ_A, PIRQ_B, PIRQ_C, PIRQ_D}}, /* PCIe bdg: 06.0 */ + {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 */ + {IDE_DEVFN, {PIRQ_NC, PIRQ_IDE, PIRQ_NC, PIRQ_NC}}, /* IDE: 14.1 */ + {HDA_DEVFN, {PIRQ_HDA, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* HDA: 14.2 */ + {SB_PCI_PORT_DEVFN, {PIRQ_H, PIRQ_E, PIRQ_F, PIRQ_G}}, /* PCI bdg: 14.4 */ + {OHCI4_DEVFN, {PIRQ_NC, PIRQ_NC, PIRQ_OHCI4, PIRQ_NC}}, /* OHCI4: 14.5 */ + {OHCI3_DEVFN, {PIRQ_OHCI3, PIRQ_NC, PIRQ_NC, PIRQ_NC}}, /* OHCI3: 16.0 */ + {EHCI3_DEVFN, {PIRQ_NC, PIRQ_EHCI3, PIRQ_NC, PIRQ_NC}}, /* EHCI3: 16.2 */ +}; + +/* 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; +} + +/** + * TODO + * SB CIMx callback + */ +void set_pcie_reset(void) +{ +} + +/** + * TODO + * mainboard specific SB CIMx callback + */ +void set_pcie_dereset(void) +{ +} + + +/********************************************** + * Enable the dedicated functions of the board. + **********************************************/ +static void mainboard_enable(device_t dev) +{ + printk(BIOS_INFO, "Mainboard " CONFIG_MAINBOARD_PART_NUMBER " Enable.\n"); + + /* enable GPP CLK0 thru CLK1 */ + /* disable GPP CLK2 thru SLT_GFX_CLK */ + u8 *misc_mem_clk_cntrl = (u8 *)(ACPI_MMIO_BASE + MISC_BASE); + write8(misc_mem_clk_cntrl + 0, 0xFF); + write8(misc_mem_clk_cntrl + 1, 0x00); + write8(misc_mem_clk_cntrl + 2, 0x00); + write8(misc_mem_clk_cntrl + 3, 0x00); + write8(misc_mem_clk_cntrl + 4, 0x00); + + /* + * Initialize ASF registers to an arbitrary address because someone + * long ago set things up this way inside the SPD read code. The + * SPD read code has been made generic and moved out of the board + * directory, so the ASF init is being done here. + */ + pm_iowrite(0x29, 0x80); + pm_iowrite(0x28, 0x61); + + /* Initialize the PIRQ data structures for consumption */ + pirq_setup(); +} + +struct chip_operations mainboard_ops = { + .enable_dev = mainboard_enable, +}; |