Initial support for Intel XE7501DEVKIT.

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2030 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Steven J. Magnani 2005-09-14 13:49:04 +00:00
parent ffc83041b7
commit 0b1a5a4a92
15 changed files with 1087 additions and 0 deletions

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##################################################################
## BEGIN BOILERPLATE - DO NOT EDIT
##
## Compute the location and size of where this firmware image
## (linuxBIOS plus payload) will live in the boot rom chip.
##
if USE_FALLBACK_IMAGE
# The fallback image uses FALLBACK_SIZE bytes at the end of the ROM
default ROM_SECTION_SIZE = FALLBACK_SIZE
default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
else
# The normal image goes at the beginning of the LinuxBIOS ROM region
# and uses all the remaining space
default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
default ROM_SECTION_OFFSET = 0
end
##
## Compute where this copy of linuxBIOS will start in the boot rom
##
default _ROMBASE = ( CONFIG_ROM_STREAM_START + PAYLOAD_SIZE )
##
## Compute a range of ROM that can cached to speed up linuxBIOS,
## execution speed.
##
## XIP_ROM_SIZE must be a power of 2.
## XIP_ROM_BASE must be a multiple of XIP_ROM_SIZE
default XIP_ROM_SIZE = 65536
default XIP_ROM_BASE = ((( _ROMBASE + ROM_IMAGE_SIZE ) / XIP_ROM_SIZE ) * XIP_ROM_SIZE - XIP_ROM_SIZE )
## END BOILERPLATE
##################################################################
arch i386 end
##
## Build the objects we have code for in this directory.
##
driver mainboard.o
if HAVE_MP_TABLE object mptable.o end
if HAVE_PIRQ_TABLE object irq_tables.o end
if HAVE_ACPI_TABLES object acpi_tables.o end
object reset.o
# Include the VGA option ROM, but only if we're compiled to use it
if CONFIG_PCI_ROM_RUN
if CONFIG_CONSOLE_VGA
object vgarom.S
else
object no_vgarom.S
end
else
object no_vgarom.S
end
##
## Romcc output
##
makerule ./failover.E
depends "$(MAINBOARD)/failover.c ./romcc"
action "./romcc -E -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end
makerule ./failover.inc
depends "$(MAINBOARD)/failover.c ./romcc"
action "./romcc -O --label-prefix=failover -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/failover.c -o $@"
end
makerule ./auto.E
depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
action "./romcc -E -mcpu=p4 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
makerule ./auto.inc
depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
action "./romcc -mcpu=p4 -O2 -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
##
## Build our 16 bit and 32 bit linuxBIOS entry code
##
mainboardinit cpu/x86/16bit/entry16.inc
mainboardinit cpu/x86/32bit/entry32.inc
ldscript /cpu/x86/16bit/entry16.lds
ldscript /cpu/x86/32bit/entry32.lds
##
## Build our reset vector (This is where linuxBIOS is entered)
##
if HAVE_FALLBACK_BOOT
if USE_FALLBACK_IMAGE
mainboardinit cpu/x86/16bit/reset16.inc
ldscript /cpu/x86/16bit/reset16.lds
else
mainboardinit cpu/x86/32bit/reset32.inc
ldscript /cpu/x86/32bit/reset32.lds
end
else
mainboardinit cpu/x86/16bit/reset16.inc
ldscript /cpu/x86/16bit/reset16.lds
end
### Should this be in the northbridge code?
mainboardinit arch/i386/lib/cpu_reset.inc
##
## Include an id string (For safe flashing)
##
mainboardinit arch/i386/lib/id.inc
ldscript /arch/i386/lib/id.lds
###
### This is the early phase of linuxBIOS startup
### Things are delicate and we test to see if we should
### failover to another image.
###
if USE_FALLBACK_IMAGE
ldscript /arch/i386/lib/failover.lds
mainboardinit ./failover.inc
end
###
### O.k. We aren't just an intermediary anymore!
###
##
## Setup RAM
##
mainboardinit cpu/x86/fpu/enable_fpu.inc
mainboardinit cpu/x86/mmx/enable_mmx.inc
mainboardinit cpu/x86/sse/enable_sse.inc
mainboardinit ./auto.inc
mainboardinit cpu/x86/sse/disable_sse.inc
mainboardinit cpu/x86/mmx/disable_mmx.inc
##
## Include the secondary Configuration files
##
dir /pc80
if CONFIG_CHIP_NAME
config chip.h
end
# based on sample config for tyan/s2735
chip northbridge/intel/e7501
device pci_domain 0 on
device pci 0.0 on end # Chipset host controller
device pci 0.1 on end # Host RASUM controller
device pci 2.0 on # Hub interface B
chip southbridge/intel/i82870 # P64H2
device pci 1c.0 on end # IOAPIC - bus B
device pci 1d.0 on end # Hub to PCI-B bridge
device pci 1e.0 on end # IOAPIC - bus A
device pci 1f.0 on end # Hub to PCI-A bridge
end
end
device pci 3.0 off end # Hub interface C (82808AA connector - disable for now)
device pci 4.0 on # Hub interface D
chip southbridge/intel/i82870 # P64H2
device pci 1c.0 on end # IOAPIC - bus B
device pci 1d.0 on end # Hub to PCI-B bridge
device pci 1e.0 on end # IOAPIC - bus A
device pci 1f.0 on end # Hub to PCI-A bridge
end
end
device pci 6.0 on end # E7501 Power management registers? (undocumented)
chip southbridge/intel/i82801ca
device pci 1d.0 off end # USB (might not work, Southbridge code needs looking at)
device pci 1d.1 off end # USB (not populated)
device pci 1d.2 off end # USB (not populated)
device pci 1e.0 on # Hub to PCI bridge
chip drivers/pci/onboard # VGA ROM
device pci 0.0 on end
register "rom_address" = "_vgarom_start"
end
end
device pci 1f.0 on # LPC bridge
chip superio/smsc/lpc47b272
device pnp 2e.0 off # Floppy
io 0x60 = 0x3f0
irq 0x70 = 6
drq 0x74 = 2
end
device pnp 2e.3 off # Parallel Port
io 0x60 = 0x378
irq 0x70 = 7
end
device pnp 2e.4 on # Com1
io 0x60 = 0x3f8
irq 0x70 = 4
end
device pnp 2e.5 off # Com2
io 0x60 = 0x2f8
irq 0x70 = 3
end
device pnp 2e.7 on # Keyboard
io 0x60 = 0x60
io 0x62 = 0x64
irq 0x70 = 1 # Keyboard interrupt
irq 0x72 = 12 # Mouse interrupt
end
device pnp 2e.a off end # ACPI
end
end
device pci 1f.1 on end # IDE
device pci 1f.3 on end # SMBus
device pci 1f.5 off end # AC97 Audio
device pci 1f.6 off end # AC97 Modem
end # SB
end # PCI_DOMAIN
device apic_cluster 0 on
chip cpu/intel/socket_mPGA604_533Mhz
device apic 0 on end
end
chip cpu/intel/socket_mPGA604_533Mhz
device apic 6 on end
end
end
end

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uses HAVE_MP_TABLE
uses HAVE_ACPI_TABLES
uses HAVE_PIRQ_TABLE
uses HAVE_FALLBACK_BOOT
uses HAVE_OPTION_TABLE
uses IRQ_SLOT_COUNT
uses CONFIG_MAX_CPUS
uses CONFIG_LOGICAL_CPUS
uses CONFIG_MAX_PHYSICAL_CPUS
uses CONFIG_IOAPIC
uses CONFIG_SMP
uses CONFIG_ROM_STREAM
uses STACK_SIZE
uses HEAP_SIZE
uses USE_OPTION_TABLE
uses LB_CKS_RANGE_START
uses LB_CKS_RANGE_END
uses LB_CKS_LOC
uses MAINBOARD_PART_NUMBER
uses MAINBOARD_VENDOR
uses MAINBOARD
uses MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID
uses MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID
uses _RAMBASE
uses TTYS0_BAUD
uses TTYS0_BASE
uses TTYS0_LCS
uses DEFAULT_CONSOLE_LOGLEVEL
uses MAXIMUM_CONSOLE_LOGLEVEL
uses MAINBOARD_POWER_ON_AFTER_POWER_FAIL
uses CONFIG_CONSOLE_SERIAL8250
uses CONFIG_UDELAY_TSC
uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
uses HAVE_INIT_TIMER
uses CONFIG_GDB_STUB
uses CROSS_COMPILE
uses CC
uses HOSTCC
uses OBJCOPY
uses CONFIG_CHIP_NAME
uses CONFIG_CONSOLE_VGA
uses CONFIG_PCI_ROM_RUN
uses DEBUG
uses CPU_OPT
uses CONFIG_IDE
## The default definitions are used for these
uses CONFIG_ROM_STREAM_START
uses PAYLOAD_SIZE
## These are defined in target Config.lb, don't add here
uses USE_FALLBACK_IMAGE
uses ROM_SIZE
uses ROM_IMAGE_SIZE
uses FALLBACK_SIZE
uses LINUXBIOS_EXTRA_VERSION
## These are defined in mainboard Config.lb, don't add here
uses ROM_SECTION_SIZE
uses ROM_SECTION_OFFSET
uses _ROMBASE
uses XIP_ROM_SIZE
uses XIP_ROM_BASE
###
### Build options
###
##
## Build code for the fallback boot?
##
default HAVE_FALLBACK_BOOT=0
## Delay timer options
##
default CONFIG_UDELAY_TSC=1
default CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2=1
##
## Build code to export a programmable irq routing table
##
default HAVE_PIRQ_TABLE=1
default IRQ_SLOT_COUNT=12
##
## Build code to export an x86 MP table
## Useful for specifying IRQ routing values
##
default HAVE_MP_TABLE=1
## Build code to export ACPI tables?
default HAVE_ACPI_TABLES=1
##
## Build code to export a CMOS option table?
##
default HAVE_OPTION_TABLE=0
## CMOS checksum definitions (units == bytes)
## These must match the checksum record in cmos.layout
default LB_CKS_RANGE_START=128
default LB_CKS_RANGE_END=130
default LB_CKS_LOC=131
##
## Build code for SMP support
## Only worry about 2 micro processors
## NOTE: CONFIG_MAX_CPUS is the number of LOGICAL CPUs,
## so if CONFIG_LOGICAL_CPUS is 1, CONFIG_MAX_CPUS should be 4.
##
default CONFIG_SMP=1
default CONFIG_MAX_CPUS=2
default CONFIG_LOGICAL_CPUS=0
default CONFIG_MAX_PHYSICAL_CPUS=2
# VGA Console
# NOTE: to initialize VGA, need to copy the VGA option ROM from the factory BIOS
# to VGA.rom
default CONFIG_CONSOLE_VGA=0
default CONFIG_PCI_ROM_RUN=0
##
## Build code to setup a generic IOAPIC
##
default CONFIG_IOAPIC=1
##
## Motherboard identification
##
default MAINBOARD_PART_NUMBER="EIDXE7501DEVKIT"
default MAINBOARD_VENDOR="Intel"
default MAINBOARD_PCI_SUBSYSTEM_VENDOR_ID=0x8086
default MAINBOARD_PCI_SUBSYSTEM_DEVICE_ID=0x2480
###
### LinuxBIOS layout values
###
##
## Use a small 8K stack
##
default STACK_SIZE=0x2000
##
## Use a small 16K heap
##
default HEAP_SIZE=0x4000
##
## CMOS settings not currently supported due to conflicts with factory BIOS
##
default USE_OPTION_TABLE = 0
##
## LinuxBIOS C code runs at this location in RAM
##
default _RAMBASE=0x00004000
##
## Load the payload from the ROM
##
default CONFIG_ROM_STREAM = 1
###
### Defaults of options that you may want to override in the target config file
###
##
## The default compiler
##
default CC="$(CROSS_COMPILE)gcc -m32"
default HOSTCC="gcc"
##
## Disable the gdb stub by default
##
default CONFIG_GDB_STUB=0
##
## The Serial Console
##
# To Enable the Serial Console
default CONFIG_CONSOLE_SERIAL8250=1
## Select the serial console baud rate
default TTYS0_BAUD=115200
#default TTYS0_BAUD=57600
#default TTYS0_BAUD=38400
#default TTYS0_BAUD=19200
#default TTYS0_BAUD=9600
#default TTYS0_BAUD=4800
#default TTYS0_BAUD=2400
#default TTYS0_BAUD=1200
# Select the serial console base port
default TTYS0_BASE=0x3f8
# Select the serial protocol
# This defaults to 8 data bits, 1 stop bit, and no parity
default TTYS0_LCS=0x3
##
### Select the linuxBIOS loglevel
##
## EMERG 1 system is unusable
## ALERT 2 action must be taken immediately
## CRIT 3 critical conditions
## ERR 4 error conditions
## WARNING 5 warning conditions
## NOTICE 6 normal but significant condition
## INFO 7 informational
## DEBUG 8 debug-level messages
## SPEW 9 Way too many details
## Request this level of debugging output
default DEFAULT_CONSOLE_LOGLEVEL=8
## At a maximum only compile in this level of debugging
default MAXIMUM_CONSOLE_LOGLEVEL=8
##
## Select power on after power fail setting
default MAINBOARD_POWER_ON_AFTER_POWER_FAIL="MAINBOARD_POWER_ON"
## Things we may not have
default CONFIG_IDE=1
default DEBUG=1
default CPU_OPT="-g"
default CONFIG_CHIP_NAME=1
### End Options.lb
end

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/*
* Ported to Intel XE7501DEVKIT from Island Aruma
* written by Stefan Reinauer <stepan@openbios.org>
* (C) 2005 Stefan Reinauer
* (C) 2005 Digital Design Corporation
*/
#include <console/console.h>
#include <string.h>
#include <arch/acpi.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <assert.h>
#include "bus.h"
#include "ioapic.h"
unsigned long acpi_dump_apics(unsigned long current)
{
unsigned int irq_start = 0;
device_t dev = 0;
struct resource* res = NULL;
// SJM: Hard-code CPU LAPIC entries for now
// Use SourcePoint numbering of processors
current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 0, 6);
current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 1, 7);
current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 2, 0);
current += acpi_create_madt_lapic((acpi_madt_lapic_t *)current, 3, 1);
// Southbridge IOAPIC
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_ICH3, 0xfec00000, irq_start);
irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
// P64H2#2 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_2_BUS_A, res->base, irq_start);
irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
// P64H2#2 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_2_BUS_B, res->base, irq_start);
irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
// P64H2#1 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_1_BUS_A, res->base, irq_start);
irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
// P64H2#1 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
current += acpi_create_madt_ioapic((acpi_madt_ioapic_t *)current, IOAPIC_P64H2_1_BUS_B, res->base, irq_start);
irq_start += INTEL_IOAPIC_NUM_INTERRUPTS;
// Map ISA IRQ 0 to IRQ 2
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 1, 0, 2, 0);
// IRQ9 differs from ISA standard - ours is active high, level-triggered
current += acpi_create_madt_irqoverride((acpi_madt_irqoverride_t *)current, 0, 9, 9, 0xD);
return current;
}
unsigned long write_acpi_tables(unsigned long start)
{
unsigned long current;
acpi_rsdp_t *rsdp;
acpi_rsdt_t *rsdt;
acpi_madt_t *madt;
/* Align ACPI tables to 16byte */
start = ( start + 0x0f ) & -0x10;
current = start;
printk_info("ACPI: Writing ACPI tables at %lx...\n", start);
/* We need at least an RSDP and an RSDT Table */
rsdp = (acpi_rsdp_t *) current;
current += sizeof(acpi_rsdp_t);
rsdt = (acpi_rsdt_t *) current;
current += sizeof(acpi_rsdt_t);
/* clear all table memory */
memset((void *)start, 0, current - start);
acpi_write_rsdp(rsdp, rsdt);
acpi_write_rsdt(rsdt);
/*
* We explicitly add these tables later on:
*/
/* QNX wants an MADT */
printk_debug("ACPI: * MADT\n");
madt = (acpi_madt_t *) current;
acpi_create_madt(madt);
current+=madt->header.length;
acpi_add_table(rsdt,madt);
printk_info("ACPI: done.\n");
return current;
}

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#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include <arch/cpu.h>
#include "option_table.h"
#include "pc80/mc146818rtc_early.c"
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "southbridge/intel/i82801ca/i82801ca_early_smbus.c"
#include "northbridge/intel/e7501/raminit.h"
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/intel/e7501/debug.c"
#include "superio/smsc/lpc47b272/lpc47b272_early_serial.c"
#include "cpu/x86/mtrr/earlymtrr.c"
#include "cpu/x86/bist.h"
#define SUPERIO_PORT 0x2e
#define SERIAL_DEV PNP_DEV(SUPERIO_PORT, LPC47B272_SP1)
static void hard_reset(void)
{
outb(0x0e, 0x0cf9);
}
static inline void activate_spd_rom(const struct mem_controller *ctrl)
{
/* nothing to do */
}
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/intel/e7501/raminit.c"
#include "northbridge/intel/e7501/reset_test.c"
#include "sdram/generic_sdram.c"
// This function MUST appear last (ROMCC limitation)
static void main(unsigned long bist)
{
static const struct mem_controller memctrl[] = {
{
.d0 = PCI_DEV(0, 0, 0),
.d0f1 = PCI_DEV(0, 0, 1),
.channel0 = { (0xa<<3)|0, (0xa<<3)|1, (0xa<<3)|2, 0 },
.channel1 = { (0xa<<3)|4, (0xa<<3)|5, (0xa<<3)|6, 0 },
},
};
if (bist == 0)
{
// Skip this if there was a built in self test failure
early_mtrr_init();
enable_lapic();
}
// Get the serial port running and print a welcome banner
lpc47b272_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
// Halt if there was a built in self test failure
report_bist_failure(bist);
// print_pci_devices();
// If this is a warm boot, some initialization can be skipped
if (!bios_reset_detected())
{
enable_smbus();
// dump_spd_registers(&memctrl[0]);
// dump_smbus_registers();
// memreset_setup(); No-op for this chipset
sdram_initialize(sizeof(memctrl)/sizeof(memctrl[0]), memctrl);
}
// NOTE: ROMCC dies with an internal compiler error
// if the following line is removed.
print_debug("SDRAM is up.\r\n");
}

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#ifndef XE7501DEVKIT_BUS_H_INCLUDED
#define XE7501DEVKIT_BUS_H_INCLUDED
// These were determined by seeing how LinuxBIOS enumerates the various
// PCI (and PCI-like) buses on the board.
#define PCI_BUS_CHIPSET 0
#define PCI_BUS_E7501_HI_B 1 // P64H2#2
#define PCI_BUS_P64H2_2_B 2 // P64H2#2 bus B
#define PCI_BUS_P64H2_2_A 3 // P64H2#2 bus A
#define PCI_BUS_E7501_HI_D 4 // P64H2#1
#define PCI_BUS_P64H2_1_B 5 // P64H2#1 bus B
#define PCI_BUS_P64H2_1_A 6 // P64H2#1 bus A
#define PCI_BUS_ICH3 7 // ICH3-S
#define SUPERIO_BUS 8 // (arbitrary but unique bus #)
#endif // XE7501DEVKIT_BUS_H_INCLUDED

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extern unsigned char _vgarom_start[];
extern struct chip_operations mainboard_intel_xe7501devkit_ops;
struct mainboard_intel_xe7501devkit_config {
};

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# NOTE: This file must be in UNIX format (not DOS) or build_opt_tbl fails:
# "Error - Name is an invalid identifier in line"
entries
#start-bit length config config-ID name
0 512 r 0 reserved_memory1 # We know nothing about the factory BIOS
512 512 r 0 reserved_memory2 # More factory BIOS
# Work in progress.
# This is where we would put the LB RTC_BOOT_BYTE options once the code
# supports finding them there.
#1024 1 e 4 boot_option
#1025 1 e 4 last_boot
#1026 1 e 1 ECC_memory
#1028 4 r 0 reboot_bits
# Options used by XE7501DevKit
#1032 3 e 5 baud_rate
#1035 1 e 2 hyper_threading
#1036 1 e 1 power_on_after_fail
#1037 1 e 1 nmi
#1040 4 e 6 debug_level
#1048 16 h 0 check_sum
enumerations
#ID value text
1 0 Disable
1 1 Enable
2 0 Enable
2 1 Disable
4 0 Fallback
4 1 Normal
5 0 115200
5 1 57600
5 2 38400
5 3 19200
5 4 9600
5 5 4800
5 6 2400
5 7 1200
6 6 Notice
6 7 Info
6 8 Debug
6 9 Spew
checksums
# Checksum FROM bit-location TO bit-location STORE AT bit-location
#checksum 1024 1047 1048

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#define ASSEMBLY 1
#include <stdint.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include <arch/io.h>
#include <arch/romcc_io.h>
#include <cpu/x86/lapic.h>
#include "pc80/mc146818rtc_early.c"
#include "southbridge/intel/i82801ca/cmos_failover.c"
#include "cpu/x86/lapic/boot_cpu.c"
#include "northbridge/intel/e7501/reset_test.c"
static unsigned long main(unsigned long bist)
{
/* Is this a deliberate reset by the bios */
if (bios_reset_detected() && last_boot_normal()) {
goto normal_image;
}
/* This is the primary cpu how should I boot? */
else {
check_cmos_failed();
if (do_normal_boot()) {
goto normal_image;
}
else {
goto fallback_image;
}
}
normal_image:
asm volatile ("jmp __normal_image"
: /* outputs */
: "a" (bist) /* inputs */
: /* clobbers */
);
#if 0
cpu_reset:
asm volatile ("jmp __cpu_reset"
: /* outputs */
: "a"(bist) /* inputs */
: /* clobbers */
);
#endif
fallback_image:
return bist;
}

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// IOAPIC addresses determined by LinuxBIOS enumeration.
// Someday add functions to get APIC IDs and versions from the chips themselves.
#define IOAPIC_ICH3 2
#define IOAPIC_P64H2_2_BUS_B 3 // IOAPIC 3 at 01:1c.0 MBAR = fe300000 DataAddr = fe300010
#define IOAPIC_P64H2_2_BUS_A 4 // IOAPIC 4 at 01:1e.0 MBAR = fe301000 DataAddr = fe301010
#define IOAPIC_P64H2_1_BUS_B 5 // IOAPIC 5 at 04:1c.0 MBAR = fe500000 DataAddr = fe500010
#define IOAPIC_P64H2_1_BUS_A 8 // IOAPIC 8 at 04:1e.0 MBAR = fe501000 DataAddr = fe501010
#define P64H2_IOAPIC_VERSION 0x20
#define INTEL_IOAPIC_NUM_INTERRUPTS 24 // Both ICH-3 and P64-H2

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/* Run checkpir to verify any changes to this table...
Documentation at : http://www.microsoft.com/whdc/archive/pciirq.mspx
*/
#include <arch/pirq_routing.h>
#include <device/pci_def.h>
#include <device/pci_ids.h>
#include "bus.h"
#define UNUSED_INTERRUPT {0, 0}
#define PIRQ_A 0x60
#define PIRQ_B 0x61
#define PIRQ_C 0x62
#define PIRQ_D 0x63
#define PIRQ_E 0x68
#define PIRQ_F 0x69
#define PIRQ_G 0x6A
#define PIRQ_H 0x6B
const struct irq_routing_table intel_irq_routing_table = {
PIRQ_SIGNATURE,
PIRQ_VERSION,
32 + 12*sizeof(struct irq_info), // Size of this struct in bytes
0, // PCI bus number on which the interrupt router resides
PCI_DEVFN(31, 0), // PCI device/function number of the interrupt router
0, // PCI-exclusive IRQ bitmap
PCI_VENDOR_ID_INTEL, // Vendor ID of compatible PCI interrupt router
PCI_DEVICE_ID_INTEL_82801CA_LPC, // Device ID of compatible PCI interrupt router
0, // Additional miniport information
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, // Reserved, must be zero
0xB1, // Checksum of the entire structure (causes 8-bit sum == 0)
{
// NOTE: For 82801, a nonzero link value is a pointer to a PIRQ[n]_ROUT register in PCI configuration space
// This was determined from linux-2.6.11/arch/i386/pci/irq.c
// bitmap of 0xdcf8 == routable to IRQ3-IRQ7, IRQ10-IRQ12, or IRQ14-IRQ15
// ICH-3 doesn't allow SERIRQ or PCI message to generate IRQ0, IRQ2, IRQ8, or IRQ13
// Not sure why IRQ9 isn't routable (inherited from Tyan S2735)
// INTA# INTB# INTC# INTD#
// bus, device # {link , bitmap}, {link , bitmap}, {link , bitmap}, {link , bitmap}, slot, rfu
{PCI_BUS_CHIPSET, PCI_DEVFN(31, 0), {{PIRQ_C, 0xdcf8}, {PIRQ_B, 0xdcf8}, UNUSED_INTERRUPT, UNUSED_INTERRUPT}, 0, 0}, // IDE / SMBus
{PCI_BUS_CHIPSET, PCI_DEVFN(29, 0), {{PIRQ_A, 0xdcf8}, {PIRQ_D, 0xdcf8}, {PIRQ_C, 0xdcf8}, UNUSED_INTERRUPT}, 0, 0}, // USB 1.1
// P64H2#2 Bus A
{PCI_BUS_P64H2_2_A, PCI_DEVFN(1, 0), {{PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, UNUSED_INTERRUPT, UNUSED_INTERRUPT}, 0, 0}, // SCSI
// NOTE: Hotplug disabled on this bus
// P64H2#2 Bus B
{PCI_BUS_P64H2_2_B, PCI_DEVFN(1, 0), {{PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}}, 23, 0}, // Slot 2A (J23)
{PCI_BUS_P64H2_2_B, PCI_DEVFN(2, 0), {{PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}}, 24, 0}, // Slot 2B (J24)
{PCI_BUS_P64H2_2_B, PCI_DEVFN(3, 0), {{PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}}, 25, 0}, // Slot 2C (J25)
{PCI_BUS_P64H2_2_B, PCI_DEVFN(4, 0), {{PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}, {PIRQ_B, 0xdcf8}}, 12, 0}, // Slot 2D (J12)
// NOTE: Hotplug disabled on this bus
// P64H2#1 Bus A
{PCI_BUS_P64H2_1_A, PCI_DEVFN(1, 0), {{PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}}, 20, 0}, // Slot 1A (J20)
// NOTE: Hotplug disabled on this bus
// P64H2#1 Bus B
{PCI_BUS_P64H2_1_B, PCI_DEVFN(1, 0), {{PIRQ_A, 0xdcf8}, UNUSED_INTERRUPT, UNUSED_INTERRUPT, UNUSED_INTERRUPT}, 0, 0}, // GB Ethernet
{PCI_BUS_P64H2_1_B, PCI_DEVFN(2, 0), {{PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}, {PIRQ_A, 0xdcf8}}, 21, 0}, // Slot 1B (J21)
// NOTE: Hotplug disabled on this bus
// ICH-3 PCI bus
{PCI_BUS_ICH3, PCI_DEVFN(0, 0), {{PIRQ_A, 0xdcf8}, UNUSED_INTERRUPT, UNUSED_INTERRUPT, UNUSED_INTERRUPT}, 0, 0}, // Video
{PCI_BUS_ICH3, PCI_DEVFN(2, 0), {{PIRQ_C, 0xdcf8}, {PIRQ_D, 0xdcf8}, {PIRQ_A, 0xdcf8}, {PIRQ_B, 0xdcf8}}, 11, 0}, // Debug slot (J11)
}
};
unsigned long write_pirq_routing_table(unsigned long addr)
{
return copy_pirq_routing_table(addr);
}

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#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include "chip.h"
#if CONFIG_CHIP_NAME == 1
struct chip_operations mainboard_intel_xe7501devkit_ops = {
CHIP_NAME("Intel Xeon E7501 DevKit mainboard")
};
#endif

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#include <console/console.h>
#include <arch/smp/mpspec.h>
#include <device/pci.h>
#include <string.h>
#include <stdint.h>
#include <assert.h>
#include "bus.h"
#include "ioapic.h"
// Generate MP-table IRQ numbers for PCI devices.
#define INT_A 0
#define INT_B 1
#define INT_C 2
#define INT_D 3
#define PCI_IRQ(dev, intLine) (((dev)<<2) | intLine)
void xe7501devkit_register_buses(struct mp_config_table *mc)
{
// Bus ID, Bus Type
smp_write_bus(mc, PCI_BUS_CHIPSET, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_E7501_HI_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_2_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_2_A, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_E7501_HI_D, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_1_B, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_P64H2_1_A, BUSTYPE_PCI);
smp_write_bus(mc, PCI_BUS_ICH3, BUSTYPE_PCI);
smp_write_bus(mc, SUPERIO_BUS, BUSTYPE_ISA);
}
void xe7501devkit_register_ioapics(struct mp_config_table *mc)
{
device_t dev;
struct resource *res;
// TODO: Gack. This is REALLY ugly.
// Southbridge IOAPIC
smp_write_ioapic(mc, IOAPIC_ICH3, 0x20, 0xfec00000); // APIC ID, Version, Address
// P64H2#2 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_2_BUS_A, P64H2_IOAPIC_VERSION, res->base);
// P64H2#2 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_B, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_2_BUS_B, P64H2_IOAPIC_VERSION, res->base);
// P64H2#1 Bus A IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(30, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_1_BUS_A, P64H2_IOAPIC_VERSION, res->base);
// P64H2#1 Bus B IOAPIC
dev = dev_find_slot(PCI_BUS_E7501_HI_D, PCI_DEVFN(28, 0));
if (!dev)
BUG(); // Config.lb error?
res = find_resource(dev, PCI_BASE_ADDRESS_0);
smp_write_ioapic(mc, IOAPIC_P64H2_1_BUS_B, P64H2_IOAPIC_VERSION, res->base);
}
void xe7501devkit_register_interrupts(struct mp_config_table *mc)
{
// Chipset PCI bus
// Type Trigger | Polarity Bus ID IRQ APIC ID PIN#
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, PCI_BUS_CHIPSET, 0, MP_APIC_ALL, 0);
smp_write_intsrc(mc, mp_NMI, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, PCI_BUS_CHIPSET, 0, MP_APIC_ALL, 1);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_A), IOAPIC_ICH3, 16); // USB 1.1 Controller #1
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(31, INT_B), IOAPIC_ICH3, 17); // SMBus
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_C), IOAPIC_ICH3, 18); // USB 1.1 Controller #3
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(31, INT_C), IOAPIC_ICH3, 18); // IDE
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_CHIPSET, PCI_IRQ(29, INT_D), IOAPIC_ICH3, 19); // USB 1.1 Controller #2
// P64H2#2 Bus B
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_A), IOAPIC_P64H2_2_BUS_B, 0); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_B), IOAPIC_P64H2_2_BUS_B, 1); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_C), IOAPIC_P64H2_2_BUS_B, 2); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(1, INT_D), IOAPIC_P64H2_2_BUS_B, 3); // Slot 2A (J23)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_A), IOAPIC_P64H2_2_BUS_B, 4); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_B), IOAPIC_P64H2_2_BUS_B, 5); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_C), IOAPIC_P64H2_2_BUS_B, 6); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(2, INT_D), IOAPIC_P64H2_2_BUS_B, 7); // Slot 2B (J24)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_A), IOAPIC_P64H2_2_BUS_B, 8); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_B), IOAPIC_P64H2_2_BUS_B, 9); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_C), IOAPIC_P64H2_2_BUS_B, 10); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(3, INT_D), IOAPIC_P64H2_2_BUS_B, 11); // Slot 2C (J25)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_A), IOAPIC_P64H2_2_BUS_B, 12); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_B), IOAPIC_P64H2_2_BUS_B, 13); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_C), IOAPIC_P64H2_2_BUS_B, 14); // Slot 2D (J12)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_B, PCI_IRQ(4, INT_D), IOAPIC_P64H2_2_BUS_B, 15); // Slot 2D (J12)
// P64H2#2 Bus A
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_A, PCI_IRQ(1, INT_A), IOAPIC_P64H2_2_BUS_A, 0); // SCSI
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_2_A, PCI_IRQ(1, INT_B), IOAPIC_P64H2_2_BUS_A, 1); // SCSI
// P64H2#1 Bus B
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(1, INT_A), IOAPIC_P64H2_1_BUS_B, 0); // GB Ethernet
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_A), IOAPIC_P64H2_1_BUS_B, 4); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_B), IOAPIC_P64H2_1_BUS_B, 5); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_C), IOAPIC_P64H2_1_BUS_B, 6); // Slot 1B (J21)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_B, PCI_IRQ(2, INT_D), IOAPIC_P64H2_1_BUS_B, 7); // Slot 1B (J21)
// P64H2#1 Bus A
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_A), IOAPIC_P64H2_1_BUS_A, 0); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_B), IOAPIC_P64H2_1_BUS_A, 1); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_C), IOAPIC_P64H2_1_BUS_A, 2); // Slot 1A (J20)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_P64H2_1_A, PCI_IRQ(1, INT_D), IOAPIC_P64H2_1_BUS_A, 3); // Slot 1A (J20)
// ICH-3
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(0, INT_A), IOAPIC_ICH3, 16); // Video
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_A), IOAPIC_ICH3, 18); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_B), IOAPIC_ICH3, 19); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_C), IOAPIC_ICH3, 16); // Debug slot (J11)
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_LEVEL|MP_IRQ_POLARITY_LOW, PCI_BUS_ICH3, PCI_IRQ(2, INT_D), IOAPIC_ICH3, 17); // Debug slot (J11)
// TODO: Not sure how to handle BT_INTR# signals from the P64H2s. Do we even need to, in APIC mode?
// Super I/O (ISA interrupts)
smp_write_intsrc(mc, mp_ExtINT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 0, IOAPIC_ICH3, 0);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 1, IOAPIC_ICH3, 1);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 0, IOAPIC_ICH3, 2);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 3, IOAPIC_ICH3, 3);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 4, IOAPIC_ICH3, 4);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 6, IOAPIC_ICH3, 6);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 8, IOAPIC_ICH3, 8);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 9, IOAPIC_ICH3, 9);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 12, IOAPIC_ICH3, 12);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 13, IOAPIC_ICH3, 13);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 14, IOAPIC_ICH3, 14);
smp_write_intsrc(mc, mp_INT, MP_IRQ_TRIGGER_EDGE |MP_IRQ_POLARITY_HIGH, SUPERIO_BUS, 15, IOAPIC_ICH3, 15);
}
void* smp_write_config_table(void* v)
{
static const char sig[4] = MPC_SIGNATURE;
static const char oem[8] = "INTEL ";
static const char productid[12] = "XE7501DEVKIT";
struct mp_config_table *mc = (void *)(((char *)v) + SMP_FLOATING_TABLE_LEN);
memset(mc, 0, sizeof(*mc));
memcpy(mc->mpc_signature, sig, sizeof(sig));
memcpy(mc->mpc_oem, oem, sizeof(oem));
memcpy(mc->mpc_productid, productid, sizeof(productid));
mc->mpc_length = sizeof(*mc); // initially just the header
mc->mpc_spec = 0x04; // Multiprocessing Spec V1.4
mc->mpc_lapic = LAPIC_ADDR;
smp_write_processors(mc);
xe7501devkit_register_buses(mc);
xe7501devkit_register_ioapics(mc);
xe7501devkit_register_interrupts(mc);
/* Compute the checksums */
mc->mpe_checksum = smp_compute_checksum(smp_next_mpc_entry(mc), mc->mpe_length);
mc->mpc_checksum = smp_compute_checksum(mc, mc->mpc_length);
printk_debug("Wrote the mp table end at: %p - %p\n", mc, smp_next_mpe_entry(mc));
return smp_next_mpe_entry(mc);
}
unsigned long write_smp_table(unsigned long addr)
{
void *v;
v = smp_write_floating_table(addr);
return (unsigned long)smp_write_config_table(v);
}

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.section .rodata.optionrom
.globl _vgarom_start
_vgarom_start:
.word 0xFFFF // Invalid option ROM signature
.globl _vgarom_end
_vgarom_end:

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void hard_reset(void)
{
i82801ca_hard_reset();
}

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.section .rodata.optionrom
.globl _vgarom_start
_vgarom_start:
.incbin "../../../../../src/mainboard/intel/xe7501devkit/vga.rom"
.globl _vgarom_end
_vgarom_end: