diff options
| -rw-r--r-- | src/mainboard/amd/persimmon/mainboard.c | 104 | ||||
| -rw-r--r-- | src/northbridge/amd/agesa/family14/pci_devs.h | 54 | ||||
| -rw-r--r-- | src/southbridge/amd/cimx/cimx_util.c | 201 | ||||
| -rw-r--r-- | src/southbridge/amd/cimx/cimx_util.h | 100 | ||||
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/late.c | 25 | ||||
| -rw-r--r-- | src/southbridge/amd/cimx/sb800/pci_devs.h | 105 |
6 files changed, 582 insertions, 7 deletions
diff --git a/src/mainboard/amd/persimmon/mainboard.c b/src/mainboard/amd/persimmon/mainboard.c index b17bc6a0be..746b6c2772 100644 --- a/src/mainboard/amd/persimmon/mainboard.c +++ b/src/mainboard/amd/persimmon/mainboard.c @@ -2,6 +2,7 @@ * 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 @@ -23,16 +24,112 @@ #include <arch/io.h> #include <cpu/x86/msr.h> #include <device/pci_def.h> -#include <southbridge/amd/sb800/sb800.h> +#include <southbridge/amd/cimx/cimx_util.h> #include <arch/acpi.h> #include "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 @@ -59,7 +156,7 @@ static void mainboard_enable(device_t dev) /* * The mainboard is the first place that we get control in ramstage. Check - * for S3 resume and call the approriate AGESA/CIMx resume functions. + * for S3 resume and call the appropriate AGESA/CIMx resume functions. */ #if CONFIG_HAVE_ACPI_RESUME acpi_slp_type = acpi_get_sleep_type(); @@ -82,6 +179,9 @@ static void mainboard_enable(device_t dev) */ pm_iowrite(0x29, 0x80); pm_iowrite(0x28, 0x61); + + /* Initialize the PIRQ data structures for consumption */ + pirq_setup(); } struct chip_operations mainboard_ops = { diff --git a/src/northbridge/amd/agesa/family14/pci_devs.h b/src/northbridge/amd/agesa/family14/pci_devs.h new file mode 100644 index 0000000000..a9e95d1f94 --- /dev/null +++ b/src/northbridge/amd/agesa/family14/pci_devs.h @@ -0,0 +1,54 @@ +/* + * This file is part of the coreboot project. + * + * 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. + * + * 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 _AMD_FAM14_PCI_DEVS_H_ +#define _AMD_FAM14_PCI_DEVS_H_ + +#define BUS0 0 + +/* Graphics and Display */ +#define GFX_DEV 0x1 +#define GFX_FUNC 0 +# define GFX_DEVFN PCI_DEVFN(GFX_DEV,GFX_FUNC) + +/* PCI Ports */ +#define PCI_PORT_DEV 0x14 +#define PCI_PORT_FUNC 4 +# define PCI_PORT_DEVID 0x4384 +# define PCI_PORT_DEVFN PCI_DEVFN(PCI_PORT_DEV,PCI_PORT_FUNC) + +/* PCIe Ports */ +#define NB_PCIE_PORT1_DEV 0x4 +#define NB_PCIE_PORT2_DEV 0x5 +#define NB_PCIE_PORT3_DEV 0x6 +#define NB_PCIE_PORT4_DEV 0x7 +#define NB_PCIE_PORT5_DEV 0x8 +#define NB_PCIE_FUNC 0 +# define NB_PCIE_PORT1_DEVID 0x1512 +# define NB_PCIE_PORT2_DEVID 0x1513 +# define NB_PCIE_PORT3_DEVID 0x1514 +# define NB_PCIE_PORT4_DEVID 0x1515 +# define NB_PCIE_PORT5_DEVID 0x1516 +# define NB_PCIE_PORT1_DEVFN PCI_DEVFN(NB_PCIE_PORT1_DEV,NB_PCIE_FUNC) +# define NB_PCIE_PORT2_DEVFN PCI_DEVFN(NB_PCIE_PORT2_DEV,NB_PCIE_FUNC) +# define NB_PCIE_PORT3_DEVFN PCI_DEVFN(NB_PCIE_PORT3_DEV,NB_PCIE_FUNC) +# define NB_PCIE_PORT4_DEVFN PCI_DEVFN(NB_PCIE_PORT4_DEV,NB_PCIE_FUNC) +# define NB_PCIE_PORT5_DEVFN PCI_DEVFN(NB_PCIE_PORT5_DEV,NB_PCIE_FUNC) + +#endif /* _AMD_FAM14_PCI_DEVS_H_ */ diff --git a/src/southbridge/amd/cimx/cimx_util.c b/src/southbridge/amd/cimx/cimx_util.c index a3c6ad7d12..5d9276f78b 100644 --- a/src/southbridge/amd/cimx/cimx_util.c +++ b/src/southbridge/amd/cimx/cimx_util.c @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2010 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 @@ -16,8 +17,208 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#include <console/console.h> +#include <device/pci.h> #include <arch/io.h> +#include <string.h> #include "cimx_util.h" +#include <pc80/i8259.h> + +#ifndef __PRE_RAM__ +#if IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800) || \ + IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900) +const char * intr_types[] = { + [0x00] = "INTA#\t", "INTB#\t", "INTC#\t", "INTD#\t", "INTE#\t", "INTF#\t", "INTG#\t", "INTH#\t", + [0x08] = "Misc\t", "Misc0\t", "Misc1\t", "Misc2\t", "Ser IRQ INTA", "Ser IRQ INTB", "Ser IRQ INTC", "Ser IRQ INTD", + [0x10] = "SCI\t", "SMBUS0\t", "ASF\t", "HDA\t", "FC\t\t", "GEC\t", "PerMon\t", + [0x20] = "IMC INT0\t", "IMC INT1\t", "IMC INT2\t", "IMC INT3\t", "IMC INT4\t", "IMC INT5\t", + [0x30] = "Dev18.0 INTA", "Dev18.2 INTB", "Dev19.0 INTA", "Dev19.2 INTB", "Dev22.0 INTA", "Dev22.2 INTB", "Dev20.5 INTC", + [0x40] = "IDE\t", "SATA\t", + [0x50] = "GPPInt0\t", "GPPInt1\t", "GPPInt2\t", "GPPInt3\t" +}; +#elif IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB700) +const char * intr_types[] = { + [0x00] = "INTA#\t", "INTB#\t", "INTC#\t", "INTD#\t", + [0x04] = "ACPI\t", "SMBUS\t", "RSVD\t", "RSVD\t", "RSVD\t", + [0x09] = "INTE#\t", "INTF#\t", "INTG#\t", "INTH#\t", +}; +#endif + +const struct pirq_struct * pirq_data_ptr = NULL; +u32 pirq_data_size = 0; +const u8 * intr_data_ptr = NULL; +const u8 * picr_data_ptr = NULL; + +/* + * Read the FCH PCI_INTR registers 0xC00/0xC01 at a + * given index and a given PIC (0) or IOAPIC (1) mode + */ +u8 read_pci_int_idx(u8 index, int mode) +{ + outb((mode << 7) | index, PCI_INTR_INDEX); + return inb(PCI_INTR_DATA); +} + +/* + * Write a value to the FCH PCI_INTR registers 0xC00/0xC01 + * at a given index and PIC (0) or IOAPIC (1) mode + */ +void write_pci_int_idx(u8 index, int mode, u8 data) +{ + outb((mode << 7) | index, PCI_INTR_INDEX); + outb(data, PCI_INTR_DATA); +} + +/* + * Write the FCH PCI_INTR registers 0xC00/0xC01 with values + * given in global variables intr_data and picr_data. + * These variables are defined in mainboard.c + */ +void write_pci_int_table (void) +{ + u8 byte; + + if(picr_data_ptr == NULL || intr_data_ptr == NULL){ + printk(BIOS_ERR, "Warning: Can't write PCI_INTR 0xC00/0xC01 registers because\n" + "'mainboard_picr_data' or 'mainboard_intr_data' tables are NULL\n"); + return; + } + + /* PIC IRQ routine */ + printk(BIOS_DEBUG, "PCI_INTR tables: Writing registers C00/C01 for PIC mode PCI IRQ routing:\n" + "\tPCI_INTR_INDEX\t\tPCI_INTR_DATA\n"); + for (byte = 0; byte < FCH_INT_TABLE_SIZE; byte++) { + if (intr_types[byte]) { + write_pci_int_idx(byte, 0, (u8) picr_data_ptr[byte]); + printk(BIOS_DEBUG, "\t0x%02X %s\t: 0x%02X\n", + byte, intr_types[byte], read_pci_int_idx(byte, 0)); + } + } + + /* APIC IRQ routine */ + printk(BIOS_DEBUG, "PCI_INTR tables: Writing registers C00/C01 for APIC mode PCI IRQ routing:\n" + "\tPCI_INTR_INDEX\t\tPCI_INTR_DATA\n"); + for (byte = 0; byte < FCH_INT_TABLE_SIZE; byte++) { + if (intr_types[byte]) { + write_pci_int_idx(byte, 1, (u8) intr_data_ptr[byte]); + printk(BIOS_DEBUG, "\t0x%02X %s\t: 0x%02X\n", + byte, intr_types[byte], read_pci_int_idx(byte, 1)); + } + } +} + +/* + * Function to write the PCI config space Interrupt + * registers based on the values given in PCI_INTR + * table at I/O port 0xC00/0xC01 + */ +void write_pci_cfg_irqs(void) +{ + device_t dev = NULL; /* Our current device to route IRQs to */ + device_t target_dev = NULL; /* The bridge that a device may be connected to */ + u16 int_pin = 0; /* Value of the INT_PIN register 0x3D */ + u16 target_pin = 0; /* Pin we will search our tables for */ + u16 int_line = 0; /* IRQ number read from PCI_INTR table and programmed to INT_LINE reg 0x3C */ + u16 pci_intr_idx = 0; /* Index into PCI_INTR table, 0xC00/0xC01 */ + u8 bus = 0; /* A PCI Device Bus number */ + u16 devfn = 0; /* A PCI Device and Function number */ + u8 bridged_device = 0; /* This device is on a PCI bridge */ + u32 i = 0; + + if (pirq_data_ptr == NULL) { + printk(BIOS_WARNING, "Warning: Can't write PCI IRQ assignments because" + " 'mainboard_pirq_data' structure does not exist\n"); + return; + } + + /* Populate the PCI cfg space header with the IRQ assignment */ + printk(BIOS_DEBUG, "PCI_CFG IRQ: Write PCI config space IRQ assignments\n"); + + for (dev = all_devices; dev; dev = dev->next) { + /* + * Step 1: Get the INT_PIN and device structure to look for in the + * PCI_INTR table pirq_data + */ + target_dev = NULL; + target_pin = get_pci_irq_pins(dev, &target_dev); + if (target_dev == NULL) + continue; + + if (target_pin < 1) + continue; + + /* Get the original INT_PIN for record keeping */ + int_pin = pci_read_config8(dev, PCI_INTERRUPT_PIN); + if (int_pin < 1 || int_pin > 4) + continue; /* Device has invalid INT_PIN so skip it */ + + bus = target_dev->bus->secondary; + devfn = target_dev->path.pci.devfn; + + /* + * Step 2: Use the INT_PIN and DevFn number to find the PCI_INTR + * register (0xC00) index for this device + */ + pci_intr_idx = 0xBAD; /* Will check to make sure it changed */ + for (i = 0; i < pirq_data_size; i++) { + if (pirq_data_ptr[i].devfn != devfn) + continue; + + /* PIN_A is index 0 in pirq_data array but 1 in PCI cfg reg */ + pci_intr_idx = pirq_data_ptr[i].PIN[target_pin - 1]; + printk(BIOS_SPEW, "\tFound this device in pirq_data table entry %d\n", i); + break; + } + + /* + * Step 3: Make sure we got a valid index and use it to get + * the IRQ number from the PCI_INTR register table + */ + if (pci_intr_idx == 0xBAD) { /* Not on a bridge or in pirq_data table, skip it */ + printk(BIOS_SPEW, "PCI Devfn (0x%x) not found in pirq_data table\n", devfn); + continue; + } else if (pci_intr_idx == 0x1F) { /* Index found is not defined */ + printk(BIOS_SPEW, "Got index 0x1F (Not Connected), perhaps this device was defined wrong?\n"); + continue; + } else if (pci_intr_idx >= FCH_INT_TABLE_SIZE) { /* Index out of bounds */ + printk(BIOS_ERR, "%s: got 0xC00/0xC01 table index 0x%x, max is 0x%x\n", + __func__, pci_intr_idx, FCH_INT_TABLE_SIZE); + continue; + } + + /* Find the value to program into the INT_LINE register from the PCI_INTR registers */ + int_line = read_pci_int_idx(pci_intr_idx, 0); + if (int_line == PIRQ_NC) { /* The IRQ found is disabled */ + printk(BIOS_SPEW, "Got IRQ 0x1F (disabled), perhaps this device was defined wrong?\n"); + continue; + } + + /* + * Step 4: Program the INT_LINE register in this device's + * PCI config space with the IRQ number we found in step 3 + * and make it Level Triggered + */ + pci_write_config8(dev, PCI_INTERRUPT_LINE, int_line); + + /* Set this IRQ to level triggered since it is used by a PCI device */ + i8259_configure_irq_trigger(int_line, IRQ_LEVEL_TRIGGERED); + + /* + * Step 5: Print out debug info and move on to next device + */ + printk(BIOS_SPEW, "\tOrig INT_PIN\t: %d (%s)\n", + int_pin, pin_to_str(int_pin)); + if (bridged_device) + printk(BIOS_SPEW, "\tSwizzled to\t: %d (%s)\n", + target_pin, pin_to_str(target_pin)); + printk(BIOS_SPEW, "\tPCI_INTR idx\t: 0x%02x (%s)\n" + "\tINT_LINE\t: 0x%X (IRQ %d)\n", + pci_intr_idx, intr_types[pci_intr_idx], int_line, int_line); + } /* for (dev = all_devices) */ + printk(BIOS_DEBUG, "PCI_CFG IRQ: Finished writing PCI config space IRQ assignments\n"); +} +#endif /* __PRE_RAM__ */ static void pmio_write_index(u16 port_base, u8 reg, u8 value) { diff --git a/src/southbridge/amd/cimx/cimx_util.h b/src/southbridge/amd/cimx/cimx_util.h index 1e806ba407..841325143f 100644 --- a/src/southbridge/amd/cimx/cimx_util.h +++ b/src/southbridge/amd/cimx/cimx_util.h @@ -2,6 +2,7 @@ * This file is part of the coreboot project. * * Copyright (C) 2010 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 @@ -22,15 +23,104 @@ #include <stdint.h> -/* Power management index/data registers */ -#define PM_INDEX 0xcd6 -#define PM_DATA 0xcd7 -#define PM2_INDEX 0xcd0 -#define PM2_DATA 0xcd1 +/* + * PIRQ and device routing - these define the index + * into the FCH PCI_INTR 0xC00/0xC01 interrupt + * routing table + */ +#if IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB800) || \ + IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB900) +#define FCH_INT_TABLE_SIZE 0x54 +#define PIRQ_NC 0x1F /* Not Used */ +#define PIRQ_A 0x00 /* INT A */ +#define PIRQ_B 0x01 /* INT B */ +#define PIRQ_C 0x02 /* INT C */ +#define PIRQ_D 0x03 /* INT D */ +#define PIRQ_E 0x04 /* INT E */ +#define PIRQ_F 0x05 /* INT F */ +#define PIRQ_G 0x06 /* INT G */ +#define PIRQ_H 0x07 /* INT H */ +#define PIRQ_MISC 0x08 /* Miscellaneous IRQ Settings - See FCH Spec */ +#define PIRQ_MISC0 0x09 /* Miscellaneous0 IRQ Settings */ +#define PIRQ_MISC1 0x0A /* Miscellaneous1 IRQ Settings */ +#define PIRQ_MISC2 0x0B /* Miscellaneous2 IRQ Settings */ +#define PIRQ_SIRQA 0x0C /* Serial IRQ INTA */ +#define PIRQ_SIRQB 0x0D /* Serial IRQ INTA */ +#define PIRQ_SIRQC 0x0E /* Serial IRQ INTA */ +#define PIRQ_SIRQD 0x0F /* Serial IRQ INTA */ +#define PIRQ_SCI 0x10 /* SCI IRQ */ +#define PIRQ_SMBUS 0x11 /* SMBUS 14h.0 */ +#define PIRQ_ASF 0x12 /* ASF */ +#define PIRQ_HDA 0x13 /* HDA 14h.2 */ +#define PIRQ_FC 0x14 /* FC */ +#define PIRQ_GEC 0x15 /* GEC */ +#define PIRQ_PMON 0x16 /* Performance Monitor */ +#define PIRQ_IMC0 0x20 /* IMC INT0 */ +#define PIRQ_IMC1 0x21 /* IMC INT1 */ +#define PIRQ_IMC2 0x22 /* IMC INT2 */ +#define PIRQ_IMC3 0x23 /* IMC INT3 */ +#define PIRQ_IMC4 0x24 /* IMC INT4 */ +#define PIRQ_IMC5 0x25 /* IMC INT5 */ +#define PIRQ_OHCI1 0x30 /* USB OHCI 12h.0 */ +#define PIRQ_EHCI1 0x31 /* USB EHCI 12h.2 */ +#define PIRQ_OHCI2 0x32 /* USB OHCI 13h.0 */ +#define PIRQ_EHCI2 0x33 /* USB EHCI 13h.2 */ +#define PIRQ_OHCI3 0x34 /* USB OHCI 16h.0 */ +#define PIRQ_EHCI3 0x35 /* USB EHCI 16h.2 */ +#define PIRQ_OHCI4 0x36 /* USB OHCI 14h.5 */ +#define PIRQ_IDE 0x40 /* IDE 14h.1 */ +#define PIRQ_SATA 0x41 /* SATA 11h.0 */ +#define PIRQ_GPP0 0x50 /* GPP INT 0 */ +#define PIRQ_GPP1 0x51 /* GPP INT 1 */ +#define PIRQ_GPP2 0x52 /* GPP INT 2 */ +#define PIRQ_GPP3 0x53 /* GPP INT 3 */ +#elif IS_ENABLED(CONFIG_SOUTHBRIDGE_AMD_CIMX_SB700) +#define FCH_INT_TABLE_SIZE 0xD +#define PIRQ_NC 0x1F /* Not Used */ +#define PIRQ_A 0x00 /* INT A */ +#define PIRQ_B 0x01 /* INT B */ +#define PIRQ_C 0x02 /* INT C */ +#define PIRQ_D 0x03 /* INT D */ +#define PIRQ_ACPI 0x04 /* ACPI */ +#define PIRQ_SMBUS 0x05 /* SMBUS */ +/* Index 6, 7, 8 are all reserved */ +#define PIRQ_E 0x09 /* INT E */ +#define PIRQ_F 0x0A /* INT F */ +#define PIRQ_G 0x0B /* INT G */ +#define PIRQ_H 0x0C /* INT H */ +#endif + +/* FCH index/data registers */ +#define BIOSRAM_INDEX 0xcd4 +#define BIOSRAM_DATA 0xcd5 +#define PM_INDEX 0xcd6 +#define PM_DATA 0xcd7 +#define PM2_INDEX 0xcd0 +#define PM2_DATA 0xcd1 +#define PCI_INTR_INDEX 0xc00 +#define PCI_INTR_DATA 0xc01 void pm_iowrite(u8 reg, u8 value); u8 pm_ioread(u8 reg); void pm2_iowrite(u8 reg, u8 value); u8 pm2_ioread(u8 reg); +#ifndef __PRE_RAM__ + +struct pirq_struct { +u8 devfn; +u8 PIN[4]; /* PINA/B/C/D are index 0/1/2/3 */ +}; + +extern const struct pirq_struct * pirq_data_ptr; +extern u32 pirq_data_size; +extern const u8 * intr_data_ptr; +extern const u8 * picr_data_ptr; + +u8 read_pci_int_idx(u8 index, int mode); +void write_pci_int_idx(u8 index, int mode, u8 data); +void write_pci_cfg_irqs(void); +void write_pci_int_table (void); +#endif /* __PRE_RAM */ + #endif /* CIMX_UTIL_H */ diff --git a/src/southbridge/amd/cimx/sb800/late.c b/src/southbridge/amd/cimx/sb800/late.c index 40b422bc83..f4c5fd44e2 100644 --- a/src/southbridge/amd/cimx/sb800/late.c +++ b/src/southbridge/amd/cimx/sb800/late.c @@ -2,6 +2,7 @@ * 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 @@ -21,6 +22,7 @@ #include <device/device.h> /* device_t */ #include <device/pci.h> /* device_operations */ #include <device/pci_ids.h> +#include <bootstate.h> #include <arch/ioapic.h> #include <device/smbus.h> /* smbus_bus_operations */ #include <pc80/mc146818rtc.h> @@ -36,6 +38,7 @@ #include "sb_cimx.h" /* AMD CIMX wrapper entries */ #include "smbus.h" #include "fan.h" +#include <southbridge/amd/cimx/cimx_util.h> /*implement in mainboard.c*/ void set_pcie_reset(void); @@ -331,6 +334,28 @@ void sb_After_Pci_Restore_Init(void) AmdSbDispatcher(sb_config); } +/* + * Update the PCI devices with a valid IRQ number + * that is set in the mainboard PCI_IRQ structures. + */ +static void set_pci_irqs(void *unused) +{ + /* Write PCI_INTR regs 0xC00/0xC01 */ + write_pci_int_table(); + + /* Write IRQs for all devicetree enabled devices */ + write_pci_cfg_irqs(); +} + +/* + * Hook this function into the PCI state machine + * on entry into BS_DEV_ENABLE. + */ +BOOT_STATE_INIT_ENTRIES(pci_irq_update) = { + BOOT_STATE_INIT_ENTRY(BS_DEV_ENABLE, BS_ON_ENTRY, + set_pci_irqs, NULL), +}; + /** * @brief SB Cimx entry point sbBeforePciInit wrapper */ diff --git a/src/southbridge/amd/cimx/sb800/pci_devs.h b/src/southbridge/amd/cimx/sb800/pci_devs.h new file mode 100644 index 0000000000..1ecff314b4 --- /dev/null +++ b/src/southbridge/amd/cimx/sb800/pci_devs.h @@ -0,0 +1,105 @@ +/* + * This file is part of the coreboot project. + * + * 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. + * + * 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 _CIMX_SB00_PCI_DEVS_H_ +#define _CIMX_SB00_PCI_DEVS_H_ + +#define BUS0 0 + +/* SATA */ +#define SATA_DEV 0x11 +#define SATA_FUNC 0 +# define SATA_IDE_DEVID 0x4390 +# define AHCI_DEVID 0x4391 +# define RAID_DEVID 0x4392 +# define RAID5_DEVID 0x4393 +# define SATA_DEVFN PCI_DEVFN(SATA_DEV,SATA_FUNC) + +/* OHCI */ +#define OHCI1_DEV 0x12 +#define OHCI1_FUNC 0 +#define OHCI2_DEV 0x13 +#define OHCI2_FUNC 0 +#define OHCI3_DEV 0x16 +#define OHCI3_FUNC 0 +#define OHCI4_DEV 0x14 +#define OHCI4_FUNC 5 +# define OHCI_DEVID 0x4397 +# define OHCI1_DEVFN PCI_DEVFN(OHCI1_DEV,OHCI1_FUNC) +# define OHCI2_DEVFN PCI_DEVFN(OHCI2_DEV,OHCI2_FUNC) +# define OHCI3_DEVFN PCI_DEVFN(OHCI3_DEV,OHCI3_FUNC) +# define OHCI4_DEVFN PCI_DEVFN(OHCI4_DEV,OHCI4_FUNC) + +/* EHCI */ +#define EHCI1_DEV 0x12 +#define EHCI1_FUNC 2 +#define EHCI2_DEV 0x13 +#define EHCI2_FUNC 2 +#define EHCI3_DEV 0x16 +#define EHCI3_FUNC 2 +# define EHCI_DEVID 0x4396 +# define EHCI1_DEVFN PCI_DEVFN(EHCI1_DEV,EHCI1_FUNC) +# define EHCI2_DEVFN PCI_DEVFN(EHCI2_DEV,EHCI2_FUNC) +# define EHCI3_DEVFN PCI_DEVFN(EHCI3_DEV,EHCI3_FUNC) + +/* IDE */ +#define IDE_DEV 0x14 +#define IDE_FUNC 1 +# define IDE_DEVID 0x439C +# define IDE_DEVFN PCI_DEVFN(IDE_DEV,IDE_FUNC) + +/* HD Audio */ +#define HDA_DEV 0x14 +#define HDA_FUNC 2 +# define HDA_DEVID 0x4383 +# define HDA_DEVFN PCI_DEVFN(HDA_DEV,HDA_FUNC) + +/* PCI Ports */ +#define SB_PCI_PORT_DEV 0x14 +#define SB_PCI_PORT_FUNC 4 +# define SB_PCI_PORT_DEVID 0x4384 +# define SB_PCI_PORT_DEVFN PCI_DEVFN(SB_PCI_PORT_DEV,SB_PCI_PORT_FUNC) + +/* PCIe Ports */ +#define SB_PCIE_DEV 0x15 +#define SB_PCIE_PORT1_FUNC 0 +#define SB_PCIE_PORT2_FUNC 1 +#define SB_PCIE_PORT3_FUNC 2 +#define SB_PCIE_PORT4_FUNC 3 +# define SB_PCIE_PORT1_DEVID 0x43A0 +# define SB_PCIE_PORT2_DEVID 0x43A1 +# define SB_PCIE_PORT3_DEVID 0x43A2 +# define SB_PCIE_PORT4_DEVID 0x43A3 +# define SB_PCIE_PORT1_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT1_FUNC) +# define SB_PCIE_PORT2_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT2_FUNC) +# define SB_PCIE_PORT3_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT3_FUNC) +# define SB_PCIE_PORT4_DEVFN PCI_DEVFN(SB_PCIE_DEV,SB_PCIE_PORT4_FUNC) + +/* Fusion Controller Hub */ +#define PCU_DEV 0x14 +#define LPC_DEV PCU_DEV +#define LPC_FUNC 3 +#define SMBUS_DEV 0x14 +#define SMBUS_FUNC 0 +# define LPC_DEVID 0x439D +# define SMBUS_DEVID 0x4385 +# define LPC_DEVFN PCI_DEVFN(LPC_DEV,LPC_FUNC) +# define SMBUS_DEVFN PCI_DEVFN(SMBUS_DEV,SMBUS_FUNC) + +#endif /* _CIMX_SB800_PCI_DEVS_H_ */ |