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authorRonald G. Minnich <rminnich@gmail.com>2006-04-18 16:36:58 +0000
committerRonald G. Minnich <rminnich@gmail.com>2006-04-18 16:36:58 +0000
commitdf46cb205d57a91aa0fff142b2dd951e7731731b (patch)
treee3a0c5d526b6abbc57ab2d6ef4ba3b27d17ab788 /src/mainboard/olpc
parentea9db56d0e78499faf38a5d8e0c2125275c69ef2 (diff)
downloadcoreboot-df46cb205d57a91aa0fff142b2dd951e7731731b.tar.xz
added the olpc target and support
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2255 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/olpc')
-rw-r--r--src/mainboard/olpc/rev_a/Config.lb143
-rw-r--r--src/mainboard/olpc/rev_a/Options.lb160
-rw-r--r--src/mainboard/olpc/rev_a/auto.c166
-rw-r--r--src/mainboard/olpc/rev_a/chip.h5
-rw-r--r--src/mainboard/olpc/rev_a/cmos.layout74
-rw-r--r--src/mainboard/olpc/rev_a/debug.c66
-rw-r--r--src/mainboard/olpc/rev_a/failover.c32
-rw-r--r--src/mainboard/olpc/rev_a/irq_tables.c31
-rw-r--r--src/mainboard/olpc/rev_a/mainboard.c12
-rw-r--r--src/mainboard/olpc/rev_a/reset.c43
10 files changed, 732 insertions, 0 deletions
diff --git a/src/mainboard/olpc/rev_a/Config.lb b/src/mainboard/olpc/rev_a/Config.lb
new file mode 100644
index 0000000000..f08593143f
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/Config.lb
@@ -0,0 +1,143 @@
+##
+## 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
+
diff --git a/src/mainboard/olpc/rev_a/Options.lb b/src/mainboard/olpc/rev_a/Options.lb
new file mode 100644
index 0000000000..df3d1bdfb6
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/Options.lb
@@ -0,0 +1,160 @@
+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
+
diff --git a/src/mainboard/olpc/rev_a/auto.c b/src/mainboard/olpc/rev_a/auto.c
new file mode 100644
index 0000000000..ac9c2e5222
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/auto.c
@@ -0,0 +1,166 @@
+#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);
+}
diff --git a/src/mainboard/olpc/rev_a/chip.h b/src/mainboard/olpc/rev_a/chip.h
new file mode 100644
index 0000000000..34c0959a48
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/chip.h
@@ -0,0 +1,5 @@
+extern struct chip_operations mainboard_olpc_rev_a_ops;
+
+struct mainboard_olpc_rev_a_config {
+ int nothing;
+};
diff --git a/src/mainboard/olpc/rev_a/cmos.layout b/src/mainboard/olpc/rev_a/cmos.layout
new file mode 100644
index 0000000000..5ba4c032c1
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/cmos.layout
@@ -0,0 +1,74 @@
+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
+
+
diff --git a/src/mainboard/olpc/rev_a/debug.c b/src/mainboard/olpc/rev_a/debug.c
new file mode 100644
index 0000000000..7eeabdef47
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/debug.c
@@ -0,0 +1,66 @@
+
+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);
+ }
+}
diff --git a/src/mainboard/olpc/rev_a/failover.c b/src/mainboard/olpc/rev_a/failover.c
new file mode 100644
index 0000000000..bdcb9eaed2
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/failover.c
@@ -0,0 +1,32 @@
+#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;
+}
diff --git a/src/mainboard/olpc/rev_a/irq_tables.c b/src/mainboard/olpc/rev_a/irq_tables.c
new file mode 100644
index 0000000000..636f129119
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/irq_tables.c
@@ -0,0 +1,31 @@
+/* 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);
+}
diff --git a/src/mainboard/olpc/rev_a/mainboard.c b/src/mainboard/olpc/rev_a/mainboard.c
new file mode 100644
index 0000000000..0d5170d871
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/mainboard.c
@@ -0,0 +1,12 @@
+#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 ")
+};
+
diff --git a/src/mainboard/olpc/rev_a/reset.c b/src/mainboard/olpc/rev_a/reset.c
new file mode 100644
index 0000000000..5796e17dc8
--- /dev/null
+++ b/src/mainboard/olpc/rev_a/reset.c
@@ -0,0 +1,43 @@
+#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