added the olpc target and support

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2255 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Ronald G. Minnich 2006-04-18 16:36:58 +00:00
parent ea9db56d0e
commit df46cb205d
11 changed files with 764 additions and 0 deletions

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##
## Compute the location and size of where this firmware image
## (linuxBIOS plus bootloader) will live in the boot rom chip.
##
if USE_FALLBACK_IMAGE
default ROM_SECTION_SIZE = FALLBACK_SIZE
default ROM_SECTION_OFFSET = ( ROM_SIZE - FALLBACK_SIZE )
else
default ROM_SECTION_SIZE = ( ROM_SIZE - FALLBACK_SIZE )
default ROM_SECTION_OFFSET = 0
end
##
## Compute the start location and size size of
## The linuxBIOS bootloader.
##
default CONFIG_ROM_STREAM_START = (0xffffffff - ROM_SIZE + ROM_SECTION_OFFSET + 1)
default PAYLOAD_SIZE = ( ROM_SECTION_SIZE - ROM_IMAGE_SIZE )
##
## 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 )
##
## Set all of the defaults for an x86 architecture
##
arch i386 end
##
## Build the objects we have code for in this directory.
##
driver mainboard.o
if HAVE_PIRQ_TABLE object irq_tables.o end
#object reset.o
##
## 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=p2 -O -I$(TOP)/src -I. $(CPPFLAGS) $(MAINBOARD)/auto.c -o $@"
end
makerule ./auto.inc
depends "$(MAINBOARD)/auto.c option_table.h ./romcc"
action "./romcc -mcpu=p2 -O -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 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
### 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 ./auto.inc
##
## Include the secondary Configuration files
##
dir /pc80
config chip.h
chip northbridge/amd/gx2
device pci_domain 0 on
device pci 0.0 on end
chip southbridge/amd/cs5535
device pci 12.0 on
device pci 12.1 off end # SMI
device pci 12.2 on end # IDE
device pci 12.3 off end # Audio
device pci 12.4 off end # VGA
end
end
end
chip cpu/amd/model_gx2
end
end

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uses HAVE_MP_TABLE
uses HAVE_PIRQ_TABLE
uses USE_FALLBACK_IMAGE
uses HAVE_FALLBACK_BOOT
uses HAVE_HARD_RESET
uses HAVE_OPTION_TABLE
uses USE_OPTION_TABLE
uses CONFIG_ROM_STREAM
uses IRQ_SLOT_COUNT
uses MAINBOARD
uses MAINBOARD_VENDOR
uses MAINBOARD_PART_NUMBER
uses LINUXBIOS_EXTRA_VERSION
uses ARCH
uses FALLBACK_SIZE
uses STACK_SIZE
uses HEAP_SIZE
uses ROM_SIZE
uses ROM_SECTION_SIZE
uses ROM_IMAGE_SIZE
uses ROM_SECTION_SIZE
uses ROM_SECTION_OFFSET
uses CONFIG_ROM_STREAM_START
uses PAYLOAD_SIZE
uses _ROMBASE
uses _RAMBASE
uses XIP_ROM_SIZE
uses XIP_ROM_BASE
uses HAVE_MP_TABLE
uses CROSS_COMPILE
uses CC
uses HOSTCC
uses OBJCOPY
uses DEFAULT_CONSOLE_LOGLEVEL
uses MAXIMUM_CONSOLE_LOGLEVEL
uses CONFIG_CONSOLE_SERIAL8250
uses TTYS0_BAUD
uses TTYS0_BASE
uses TTYS0_LCS
uses CONFIG_UDELAY_TSC
uses CONFIG_TSC_X86RDTSC_CALIBRATE_WITH_TIMER2
## ROM_SIZE is the size of boot ROM that this board will use.
default ROM_SIZE = 256*1024
###
### Build options
###
##
## Build code for the fallback boot
##
default HAVE_FALLBACK_BOOT=1
##
## no MP table
##
default HAVE_MP_TABLE=0
##
## Build code to reset the motherboard from linuxBIOS
##
default HAVE_HARD_RESET=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=2
#object irq_tables.o
##
## Build code to export a CMOS option table
##
default HAVE_OPTION_TABLE=0
###
### LinuxBIOS layout values
###
## ROM_IMAGE_SIZE is the amount of space to allow linuxBIOS to occupy.
default ROM_IMAGE_SIZE = 65536
default FALLBACK_SIZE = 131072
##
## Use a small 8K stack
##
default STACK_SIZE=0x2000
##
## Use a small 16K heap
##
default HEAP_SIZE=0x4000
##
## Only use the option table in a normal image
##
#default USE_OPTION_TABLE = !USE_FALLBACK_IMAGE
default USE_OPTION_TABLE = 0
default _RAMBASE = 0x00004000
default CONFIG_ROM_STREAM = 1
##
## The default compiler
##
default CROSS_COMPILE=""
default CC="$(CROSS_COMPILE)gcc -m32"
default HOSTCC="gcc"
##
## 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
end

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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 <arch/hlt.h>
#include "pc80/serial.c"
#include "arch/i386/lib/console.c"
#include "ram/ramtest.c"
#include "superio/winbond/w83627hf/w83627hf_early_serial.c"
#include "cpu/x86/bist.h"
#include "cpu/x86/msr.h"
#include <cpu/amd/gx2def.h>
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
#include "southbridge/amd/cs5535/cs5535_early_smbus.c"
#include "southbridge/amd/cs5535/cs5535_early_setup.c"
static inline int spd_read_byte(unsigned device, unsigned address)
{
return smbus_read_byte(device, address);
}
#include "northbridge/amd/gx2/raminit.h"
static inline unsigned int fls(unsigned int x)
{
int r;
__asm__("bsfl %1,%0\n\t"
"jnz 1f\n\t"
"movl $32,%0\n"
"1:" : "=r" (r) : "g" (x));
return r;
}
static void sdram_set_spd_registers(const struct mem_controller *ctrl)
{
/* Total size of DIMM = 2^row address (byte 3) * 2^col address (byte 4) *
* component Banks (byte 17) * module banks, side (byte 5) *
* width in bits (byte 6,7)
* = Density per side (byte 31) * number of sides (byte 5) */
/* 1. Initialize GLMC registers base on SPD values, do one DIMM for now */
msr_t msr;
unsigned char module_banks, val;
msr = rdmsr(MC_CF07_DATA);
/* get module banks (sides) per dimm, SPD byte 5 */
module_banks = spd_read_byte(0xA0, 5);
if (module_banks < 1 || module_banks > 2)
print_err("Module banks per dimm\r\n");
module_banks >>= 1;
msr.hi &= ~(1 << CF07_UPPER_D0_MB_SHIFT);
msr.hi |= (module_banks << CF07_UPPER_D0_MB_SHIFT);
/* get component banks per module bank, SPD byte 17 */
val = spd_read_byte(0xA0, 17);
if (val < 2 || val > 4)
print_err("Component banks per module bank\r\n");
val >>= 2;
msr.hi &= ~(0x1 << CF07_UPPER_D0_CB_SHIFT);
msr.hi |= (val << CF07_UPPER_D0_CB_SHIFT);
/* get the module bank density, SPD byte 31 */
val = spd_read_byte(0xA0, 31);
val = fls(val);
val <<= module_banks;
msr.hi &= ~(0xf << CF07_UPPER_D0_SZ_SHIFT);
msr.hi |= (val << CF07_UPPER_D0_SZ_SHIFT);
/* page size = 2^col address */
val = spd_read_byte(0xA0, 4);
val -= 7;
msr.hi &= ~(0x7 << CF07_UPPER_D0_PSZ_SHIFT);
msr.hi |= (val << CF07_UPPER_D0_PSZ_SHIFT);
print_debug("computed msr.hi ");
print_debug_hex32(msr.hi);
print_debug("\r\n");
msr.lo = 0x00003000;
wrmsr(MC_CF07_DATA, msr);
msr = rdmsr(0x20000019);
msr.hi = 0x18000108;
msr.lo = 0x696332a3;
wrmsr(0x20000019, msr);
}
#include "northbridge/amd/gx2/raminit.c"
#include "sdram/generic_sdram.c"
#define PLLMSRhi 0x00001490
#define PLLMSRlo 0x02000030
#define PLLMSRlo1 ((0xde << 16) | (1 << 26) | (1 << 24))
#define PLLMSRlo2 ((1<<14) |(1<<13) | (1<<0))
#include "northbridge/amd/gx2/pll_reset.c"
#include "cpu/amd/model_gx2/cpureginit.c"
#include "cpu/amd/model_gx2/syspreinit.c"
static void msr_init(void)
{
__builtin_wrmsr(0x1808, 0x10f3bf00, 0x22fffc02);
__builtin_wrmsr(0x10000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x10000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x10000026, 0x400fffc0, 0x2cfbc040);
__builtin_wrmsr(0x10000027, 0xfff00000, 0xff);
__builtin_wrmsr(0x10000028, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x1000002c, 0xff030003, 0x20000000);
__builtin_wrmsr(0x10000080, 0x3, 0x0);
__builtin_wrmsr(0x40000020, 0xfff80, 0x20000000);
__builtin_wrmsr(0x40000021, 0x80fffe0, 0x20000000);
__builtin_wrmsr(0x40000023, 0x400fffc0, 0x20000040);
__builtin_wrmsr(0x40000024, 0xff4ffffc, 0x200000ef);
__builtin_wrmsr(0x40000029, 0x7bf00100, 0x2000000f);
__builtin_wrmsr(0x4000002d, 0xff030003, 0x20000000);
__builtin_wrmsr(0x50002001, 0x27, 0x0);
__builtin_wrmsr(0x4c002001, 0x1, 0x0);
#if 1
__builtin_wrmsr(0x4c00000c, 0x0, 0x08);
__builtin_wrmsr(0x4c000016, 0x0, 0x0);
__builtin_wrmsr(0x4c00000c, 0x1, 0x0);
__builtin_wrmsr(0x4c00005e, 0x03880000, 0x00);
__builtin_wrmsr(0x4c00006f, 0x0000f000, 0x00);
__builtin_wrmsr(0x4c00005f, 0x08000000, 0x00);
__builtin_wrmsr(0x4c00000d, 0x82b5ad68, 0x80ad6b57);
__builtin_wrmsr(0x4c00000c, 0x0, 0x0);
#endif
}
static void main(unsigned long bist)
{
static const struct mem_controller memctrl [] = {
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
SystemPreInit();
msr_init();
w83627hf_enable_serial(SERIAL_DEV, TTYS0_BASE);
uart_init();
console_init();
cs5535_early_setup();
pll_reset();
cpuRegInit();
print_err("done cpuRegInit\n");
sdram_initialize(1, memctrl);
/* Check all of memory */
//ram_check(0x00000000, 640*1024);
}

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extern struct chip_operations mainboard_olpc_rev_a_ops;
struct mainboard_olpc_rev_a_config {
int nothing;
};

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entries
#start-bit length config config-ID name
#0 8 r 0 seconds
#8 8 r 0 alarm_seconds
#16 8 r 0 minutes
#24 8 r 0 alarm_minutes
#32 8 r 0 hours
#40 8 r 0 alarm_hours
#48 8 r 0 day_of_week
#56 8 r 0 day_of_month
#64 8 r 0 month
#72 8 r 0 year
#80 4 r 0 rate_select
#84 3 r 0 REF_Clock
#87 1 r 0 UIP
#88 1 r 0 auto_switch_DST
#89 1 r 0 24_hour_mode
#90 1 r 0 binary_values_enable
#91 1 r 0 square-wave_out_enable
#92 1 r 0 update_finished_enable
#93 1 r 0 alarm_interrupt_enable
#94 1 r 0 periodic_interrupt_enable
#95 1 r 0 disable_clock_updates
#96 288 r 0 temporary_filler
0 384 r 0 reserved_memory
384 1 e 4 boot_option
385 1 e 4 last_boot
386 1 e 1 ECC_memory
388 4 r 0 reboot_bits
392 3 e 5 baud_rate
400 1 e 1 power_on_after_fail
412 4 e 6 debug_level
416 4 e 7 boot_first
420 4 e 7 boot_second
424 4 e 7 boot_third
428 4 h 0 boot_index
432 8 h 0 boot_countdown
1008 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
7 0 Network
7 1 HDD
7 2 Floppy
7 8 Fallback_Network
7 9 Fallback_HDD
7 10 Fallback_Floppy
#7 3 ROM
checksums
checksum 392 1007 1008

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static void print_debug_pci_dev(unsigned dev)
{
print_debug("PCI: ");
print_debug_hex8((dev >> 16) & 0xff);
print_debug_char(':');
print_debug_hex8((dev >> 11) & 0x1f);
print_debug_char('.');
print_debug_hex8((dev >> 8) & 7);
}
static void print_pci_devices(void)
{
device_t dev;
for(dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
uint32_t id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
print_debug_pci_dev(dev);
print_debug("\r\n");
}
}
static void dump_pci_device(unsigned dev)
{
int i;
print_debug_pci_dev(dev);
print_debug("\r\n");
for(i = 0; i <= 255; i++) {
unsigned char val;
if ((i & 0x0f) == 0) {
print_debug_hex8(i);
print_debug_char(':');
}
val = pci_read_config8(dev, i);
print_debug_char(' ');
print_debug_hex8(val);
if ((i & 0x0f) == 0x0f) {
print_debug("\r\n");
}
}
}
static void dump_pci_devices(void)
{
device_t dev;
for(dev = PCI_DEV(0, 0, 0);
dev <= PCI_DEV(0, 0x1f, 0x7);
dev += PCI_DEV(0,0,1)) {
uint32_t id;
id = pci_read_config32(dev, PCI_VENDOR_ID);
if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0xffff) ||
(((id >> 16) & 0xffff) == 0x0000)) {
continue;
}
dump_pci_device(dev);
}
}

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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 "pc80/mc146818rtc_early.c"
static unsigned long main(unsigned long bist)
{
/* This is the primary cpu how should I boot? */
if (do_normal_boot()) {
goto normal_image;
}
else {
goto fallback_image;
}
normal_image:
asm volatile ("jmp __normal_image"
: /* outputs */
: "a" (bist) /* inputs */
: /* clobbers */
);
cpu_reset:
asm volatile ("jmp __cpu_reset"
: /* outputs */
: "a"(bist) /* inputs */
: /* clobbers */
);
fallback_image:
return bist;
}

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/* This file was generated by getpir.c, do not modify!
(but if you do, please run checkpir on it to verify)
* Contains the IRQ Routing Table dumped directly from your memory, which BIOS sets up
*
* Documentation at : http://www.microsoft.com/hwdev/busbios/PCIIRQ.HTM
*/
#include <arch/pirq_routing.h>
const struct irq_routing_table intel_irq_routing_table = {
PIRQ_SIGNATURE, /* u32 signature */
PIRQ_VERSION, /* u16 version */
32+16*2, /* there can be total 2 devices on the bus */
0x00, /* Where the interrupt router lies (bus) */
(0x12<<3)|0x0, /* Where the interrupt router lies (dev) */
0x800, /* IRQs devoted exclusively to PCI usage */
0x1078, /* Vendor */
0x2, /* Device */
0, /* Crap (miniport) */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* u8 rfu[11] */
0xdf, /* u8 checksum , this hase to set to some value that would give 0 after the sum of all bytes for this structure (including checksum) */
{
/* bus, dev|fn, {link, bitmap}, {link, bitmap}, {link, bitmap}, {link, bitmap}, slot, rfu */
{0x00,(0x0e<<3)|0x0, {{0x02, 0xdeb8}, {0x03, 0xdeb8}, {0x04, 0xdeb8}, {0x01, 0x0deb8}}, 0x1, 0x0},
{0x00,(0x0f<<3)|0x0, {{0x03, 0xdeb8}, {0x04, 0xdeb8}, {0x01, 0xdeb8}, {0x02, 0x0deb8}}, 0x2, 0x0},
}
};
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 <arch/io.h>
#include "chip.h"
struct chip_operations mainboard_olpc_rev_a_ops = {
CHIP_NAME("olpc rev_a mainboard ")
};

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#if 0
//#include "arch/romcc_io.h"
#include <arch/io.h>
typedef unsigned device_t;
#define PCI_DEV(BUS, DEV, FN) ( \
(((BUS) & 0xFF) << 16) | \
(((DEV) & 0x1f) << 11) | \
(((FN) & 0x7) << 8))
static void pci_write_config8(device_t dev, unsigned where, unsigned char value)
{
unsigned addr;
addr = dev | where;
outl(0x80000000 | (addr & ~3), 0xCF8);
outb(value, 0xCFC + (addr & 3));
}
static void pci_write_config32(device_t dev, unsigned where, unsigned value)
{
unsigned addr;
addr = dev | where;
outl(0x80000000 | (addr & ~3), 0xCF8);
outl(value, 0xCFC);
}
static unsigned pci_read_config32(device_t dev, unsigned where)
{
unsigned addr;
addr = dev | where;
outl(0x80000000 | (addr & ~3), 0xCF8);
return inl(0xCFC);
}
#include "../../../northbridge/amd/amdk8/reset_test.c"
void hard_reset(void)
{
set_bios_reset();
pci_write_config8(PCI_DEV(1, 0x04, 0), 0x47, 1);
}
#endif

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# Config file for the olpc rev_a
target rev_a
mainboard olpc/rev_a
option ROM_SIZE=1024*256
romimage "normal"
option USE_FALLBACK_IMAGE=0
option ROM_IMAGE_SIZE=0x10000
option LINUXBIOS_EXTRA_VERSION=".0Normal"
# payload /usr/share/etherboot/5.1.9pre2-lnxi-lb/tg3--ide_disk.zelf
# payload ../../../../tg3--ide_disk.zelf
# payload ../../../../../lnxieepro100.ebi
# payload /etc/hosts
# payload /home/hamish/work/etherboot/eb-5.2.6-lne100.elf
payload /tmp/filo.elf
end
romimage "fallback"
option USE_FALLBACK_IMAGE=1
option ROM_IMAGE_SIZE=0x10000
option LINUXBIOS_EXTRA_VERSION=".0Fallback"
# payload /usr/share/etherboot/5.1.9pre2-lnxi-lb/tg3--ide_disk.zelf
# payload ../../../../tg3--ide_disk.zelf
# payload ../../../../../lnxieepro100.ebia
# payload /etc/hosts
# payload /home/hamish/work/etherboot/eb-5.2.6-lne100.elf
payload /tmp/filo.elf
end
buildrom ./linuxbios.rom ROM_SIZE "normal" "fallback"