Good bye, OLPC...

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Nils Jacobs <njacobs8@hetnet.nl>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5872 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer 2010-09-27 21:26:46 +00:00 committed by Stefan Reinauer
parent e0afe735a0
commit c0bde289c2
18 changed files with 0 additions and 992 deletions

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@ -80,8 +80,6 @@ config VENDOR_NOKIA
bool "Nokia"
config VENDOR_NVIDIA
bool "NVIDIA"
config VENDOR_OLPC
bool "OLPC"
config VENDOR_PC_ENGINES
bool "PC Engines"
config VENDOR_RCA
@ -153,7 +151,6 @@ source "src/mainboard/nec/Kconfig"
source "src/mainboard/newisys/Kconfig"
source "src/mainboard/nokia/Kconfig"
source "src/mainboard/nvidia/Kconfig"
source "src/mainboard/olpc/Kconfig"
source "src/mainboard/pcengines/Kconfig"
source "src/mainboard/rca/Kconfig"
source "src/mainboard/roda/Kconfig"

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@ -1,20 +0,0 @@
if VENDOR_OLPC
choice
prompt "Mainboard model"
config BOARD_OLPC_BTEST
bool "btest"
config BOARD_OLPC_REV_A
bool "rev_a"
endchoice
source "src/mainboard/olpc/btest/Kconfig"
source "src/mainboard/olpc/rev_a/Kconfig"
config MAINBOARD_VENDOR
string
default "OLPC"
endif # VENDOR_OLPC

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@ -1,26 +0,0 @@
if BOARD_OLPC_BTEST
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select ARCH_X86
select CPU_AMD_GX2
select NORTHBRIDGE_AMD_GX2
select SOUTHBRIDGE_AMD_CS5536
select UDELAY_TSC
select CACHE_AS_RAM
select HAVE_PIRQ_TABLE
select BOARD_ROMSIZE_KB_256
config MAINBOARD_DIR
string
default olpc/btest
config MAINBOARD_PART_NUMBER
string
default "btest"
config IRQ_SLOT_COUNT
int
default 2
endif # BOARD_OLPC_BTEST

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@ -1 +0,0 @@
ROMCCFLAGS=-mcpu=p2 -O

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@ -1,3 +0,0 @@
extern struct chip_operations mainboard_ops;
struct mainboard_config {};

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@ -1,75 +0,0 @@
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
440 1 e 0 dcon_present
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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@ -1,44 +0,0 @@
chip northbridge/amd/gx2
register "irqmap" = "0xaa5b"
device lapic_cluster 0 on
chip cpu/amd/model_gx2
device lapic 0 on end
end
end
device pci_domain 0 on
device pci 1.0 on end
device pci 1.1 on end
chip southbridge/amd/cs5536
# 0x51400025 (IRQ Mapper LPC Mask)= 0x00001002
# IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
# 0x5140004E (LPC Serial IRQ Control) = 0xEFFD0080.
# Frame Pulse Width = 4clocks
# IRQ Data Frames = 17Frames
# SIRQ Mode = continous , It would be better if the EC could operate in
# Active(Quiet) mode. Save power....
# SIRQ Enable = Enabled
# Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
#register "lpc_irq" = "0x00001002"
#register "lpc_serirq_enable" = "0xEFFD0080"
#register "enable_gpio0_inta" = "1"
#register "enable_ide_nand_flash" = "1"
#register "enable_uarta" = "1"
#register "enable_USBP4_host" = "1"
#register "audio_irq" = "5"
#register "usbf4_irq" = "10"
#register "usbf5_irq" = "10"
#register "usbf6_irq" = "0"
#register "usbf7_irq" = "0"
device pci d.0 on end # Realtek 8139 LAN
device pci f.0 on end # ISA Bridge
device pci f.2 on end # IDE Controller
device pci f.3 on end # Audio
device pci f.4 on end # OHCI
device pci f.5 on end # EHCI
register "unwanted_vpci[0]" = "0x80007E00" # USB/UDC
register "unwanted_vpci[1]" = "0x80007F00" # USB/OTG
register "unwanted_vpci[2]" = "0" # End of list has a zero
end
end
end

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@ -1,31 +0,0 @@
/* 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*CONFIG_IRQ_SLOT_COUNT, /* there can be total CONFIG_IRQ_SLOT_COUNT 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, /* Miniport data */
{ 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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@ -1,137 +0,0 @@
#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 <pc80/mc146818rtc.h>
#include "chip.h"
#include "southbridge/amd/cs5536/cs5536_smbus2.h"
#include <cpu/amd/vr.h>
/* Borrowed from mc146818rtc.c */
#define CMOS_READ(addr) ({ \
outb((addr),RTC_PORT(0)); \
inb(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb((addr),RTC_PORT(0)); \
outb((val),RTC_PORT(1)); \
})
static void write_bit(unsigned char val) {
unsigned char byte = CMOS_READ(440 / 8);
/* Don't change it if its already set */
if ((byte & 1) == (val & 1))
return;
byte &= ~1;
byte |= val & 1;
CMOS_WRITE(val, 440/8);
}
static unsigned short _getsmbusbase(void) {
unsigned devfn = PCI_DEVFN(0xf, 0);
device_t dev = dev_find_slot(0x0, devfn);
unsigned long addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
return (unsigned short) (addr & ~1);
}
static void init_dcon(void) {
int ret = 1;
unsigned short rev = 0;
unsigned short iobase = _getsmbusbase();
printk(BIOS_DEBUG, "CHECKING FOR DCON (%x)\n", iobase);
/* Get the IO base for the SMBUS */
rev = do_smbus_read_word(iobase, 0x0D << 1, 0x00);
if (rev & 0xDC00) {
printk(BIOS_DEBUG, "DCON FOUND - REV %x\n", rev);
/* Enable the DCON */
ret = do_smbus_write_word(iobase, 0x0D << 1, 0x01, 0x0069);
if (ret != 0)
printk(BIOS_DEBUG, "DCON ENABLE FAILED %d\n", ret);
}
else
printk(BIOS_DEBUG, "DCON NOT FOUND (%x)\n", rev);
write_bit(rev > 0 ? 1 : 0);
}
static void
init_cafe_irq(void){
const unsigned char slots_cafe[4] = {11, 0, 0, 0};
/* CAFE PCI slots */
pci_assign_irqs(0, 0x0C, slots_cafe);
/* Make the pin assignments - NOTENOTENOTE: This should be
* configurable!
*/
/* Configure the GPIO pins to use - class 0, index 9 to configure
* AB. Write 0xFF to disable
*/
vrWrite(0x9, 0XFF00);
/* Configure the GPIO pins to use - class 0, index A to configure
* CD. Write 0xFF to disable
*/
vrWrite(0xA, 0xFFFF);
}
static void init(struct device *dev) {
/*
unsigned bus = 0;
unsigned devfn = PCI_DEVFN(0xf, 4);
device_t usb = NULL;
unsigned char usbirq = 0xa;
*/
printk(BIOS_DEBUG, "OLPC BTEST ENTER %s\n", __func__);
#if 0
/* I can't think of any reason NOT to just set this. If it turns out we want this to be
* conditional we can make it a config variable later.
*/
printk(BIOS_DEBUG, "%s (%x,%x)SET USB PCI interrupt line to %d\n",
__func__, bus, devfn, usbirq);
usb = dev_find_slot(bus, devfn);
if (! usb){
printk(BIOS_ERR, "Could not find USB\n");
} else {
pci_write_config8(usb, PCI_INTERRUPT_LINE, usbirq);
}
#endif
init_dcon();
init_cafe_irq();
printk(BIOS_DEBUG, "OLPC BTEST EXIT %s\n", __func__);
}
static void enable_dev(struct device *dev)
{
dev->ops->init = init;
}
struct chip_operations mainboard_ops = {
CHIP_NAME("OLPC btest Mainboard")
.enable_dev = enable_dev,
};

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@ -1,182 +0,0 @@
#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/hlt.h>
#include <console/console.h>
#include "lib/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>
#include <cpu/amd/geode_post_code.h>
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
#include "southbridge/amd/cs5536/cs5536_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;
}
/* sdram parameters for OLPC:
row address = 13
col address = 9
banks = 4
dimm0size=128MB
d0_MB=1 (module banks)
d0_cb=4 (component banks)
do_psz=4KB (page size)
Trc=10 (clocks) (ref2act)
Tras=7 (act2pre)
Trcd=3 (act2cmd)
Trp=3 (pre2act)
Trrd=2 (act2act)
Tref=17.8ms
*/
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 = 1;
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 = 4;
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 */
/* this is multiples of 8 MB */
/* actually it is 2^x*4, where x is the value you put in */
/* for OLPC, set default size */
/* dimm size - hardcoded 128Mb */
val = 5;
msr.hi &= ~(0xf << CF07_UPPER_D0_SZ_SHIFT);
msr.hi |= (val << CF07_UPPER_D0_SZ_SHIFT);
/* page size = 2^col address */
val = 2; /* 4096 bytes */
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("\n");
/* this is a standard value, DOES NOT PROBABLY MATCH FROM ABOVE */
/* well, it may be close. It's about 200,000 ticks */
msr.lo = 0x00003000;
wrmsr(MC_CF07_DATA, msr);
/* timing and mode ... */
msr = rdmsr(0x20000019);
/* per standard bios settings */
msr.hi = 0x18000108;
msr.lo =
(6<<28) | // cas_lat
(10<<24)| // ref2act
(7<<20)| // act2pre
(3<<16)| // pre2act
(3<<12)| // act2cmd
(2<<8)| // act2act
(2<<6)| // dplwr
(2<<4)| // dplrd
(3); // dal
/* the msr value reported by quanta is very, very different.
* we will go with that value for now.
*/
msr.lo = 0x286332a3;
wrmsr(0x20000019, msr);
}
#include "northbridge/amd/gx2/raminit.c"
#include "lib/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"
#include "cpu/amd/model_lx/msrinit.c"
static void gpio_init(void)
{
unsigned long m;
/* Make sure events enable for gpio 12 is off */
m = inl(GPIOL_EVENTS_ENABLE);
m &= ~GPIOL_12_SET;
m |= GPIOL_12_CLEAR;
outl(m, GPIOL_EVENTS_ENABLE);
}
void main(unsigned long bist)
{
static const struct mem_controller memctrl [] = {
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
SystemPreInit();
msr_init();
cs5536_early_setup();
/* NOTE: must do this AFTER the early_setup!
* it is counting on some early MSR setup
* for cs5536
*/
cs5536_setup_onchipuart(1);
gpio_init();
uart_init();
console_init();
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
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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@ -1,26 +0,0 @@
if BOARD_OLPC_REV_A
config BOARD_SPECIFIC_OPTIONS # dummy
def_bool y
select ARCH_X86
select CPU_AMD_GX2
select NORTHBRIDGE_AMD_GX2
select SOUTHBRIDGE_AMD_CS5536
select UDELAY_TSC
select CACHE_AS_RAM
select HAVE_PIRQ_TABLE
select BOARD_ROMSIZE_KB_256
config MAINBOARD_DIR
string
default olpc/rev_a
config MAINBOARD_PART_NUMBER
string
default "rev_a"
config IRQ_SLOT_COUNT
int
default 2
endif # BOARD_OLPC_REV_A

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@ -1 +0,0 @@
ROMCCFLAGS=-mcpu=p2 -O

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@ -1,3 +0,0 @@
extern struct chip_operations mainboard_ops;
struct mainboard_config {};

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@ -1,75 +0,0 @@
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
440 1 e 0 dcon_present
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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@ -1,44 +0,0 @@
chip northbridge/amd/gx2
register "irqmap" = "0xaa5b"
device lapic_cluster 0 on
chip cpu/amd/model_gx2
device lapic 0 on end
end
end
device pci_domain 0 on
device pci 1.0 on end
device pci 1.1 on end
chip southbridge/amd/cs5536
# 0x51400025 (IRQ Mapper LPC Mask)= 0x00001002
# IRQ 12 and 1 unmasked, Keyboard and Mouse IRQs. OK
# 0x5140004E (LPC Serial IRQ Control) = 0xEFFD0080.
# Frame Pulse Width = 4clocks
# IRQ Data Frames = 17Frames
# SIRQ Mode = continous , It would be better if the EC could operate in
# Active(Quiet) mode. Save power....
# SIRQ Enable = Enabled
# Invert mask = IRQ 12 and 1 are active high. Keyboard and Mouse IRQs. OK
#register "lpc_irq" = "0x00001002"
#register "lpc_serirq_enable" = "0xEFFD0080"
#register "enable_gpio0_inta" = "1"
#register "enable_ide_nand_flash" = "1"
#register "enable_uarta" = "1"
#register "enable_USBP4_host" = "1"
#register "audio_irq" = "5"
#register "usbf4_irq" = "10"
#register "usbf5_irq" = "10"
#register "usbf6_irq" = "0"
#register "usbf7_irq" = "0"
device pci d.0 on end # Realtek 8139 LAN
device pci f.0 on end # ISA Bridge
device pci f.2 on end # IDE Controller
device pci f.3 on end # Audio
device pci f.4 on end # OHCI
device pci f.5 on end # EHCI
register "unwanted_vpci[0]" = "0x80007E00" # USB/UDC
register "unwanted_vpci[1]" = "0x80007F00" # USB/OTG
register "unwanted_vpci[2]" = "0" # End of list has a zero
end
end
end

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@ -1,31 +0,0 @@
/* 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*CONFIG_IRQ_SLOT_COUNT, /* there can be total CONFIG_IRQ_SLOT_COUNT 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, /* Miniport data */
{ 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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@ -1,108 +0,0 @@
#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 <pc80/mc146818rtc.h>
#include "chip.h"
#include "southbridge/amd/cs5536/cs5536_smbus2.h"
/* Borrowed from mc146818rtc.c */
#define CMOS_READ(addr) ({ \
outb((addr),RTC_PORT(0)); \
inb(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb((addr),RTC_PORT(0)); \
outb((val),RTC_PORT(1)); \
})
static void write_bit(unsigned char val) {
unsigned char byte = CMOS_READ(440 / 8);
/* Don't change it if its already set */
if ((byte & 1) == (val & 1))
return;
byte &= ~1;
byte |= val & 1;
CMOS_WRITE(val, 440/8);
}
static unsigned short _getsmbusbase(void) {
unsigned devfn = PCI_DEVFN(0xf, 0);
device_t dev = dev_find_slot(0x0, devfn);
unsigned long addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
return (unsigned short) (addr & ~1);
}
static void init_dcon(void) {
int ret = 1;
unsigned short rev = 0;
unsigned short iobase = _getsmbusbase();
printk(BIOS_DEBUG, "CHECKING FOR DCON (%x)\n", iobase);
/* Get the IO base for the SMBUS */
rev = do_smbus_read_word(iobase, 0x0D << 1, 0x00);
if (rev & 0xDC00) {
printk(BIOS_DEBUG, "DCON FOUND - REV %x\n", rev);
/* Enable the DCON */
ret = do_smbus_write_word(iobase, 0x0D << 1, 0x01, 0x0069);
if (ret != 0)
printk(BIOS_DEBUG, "DCON ENABLE FAILED %d\n", ret);
}
else
printk(BIOS_DEBUG, "DCON NOT FOUND (%x)\n", rev);
write_bit(rev > 0 ? 1 : 0);
}
static void init(struct device *dev) {
/*
unsigned bus = 0;
unsigned devfn = PCI_DEVFN(0xf, 4);
device_t usb = NULL;
unsigned char usbirq = 0xa;
*/
printk(BIOS_DEBUG, "OLPC REVA ENTER %s\n", __func__);
#if 0
/* I can't think of any reason NOT to just set this. If it turns out we want this to be
* conditional we can make it a config variable later.
*/
printk(BIOS_DEBUG, "%s (%x,%x)SET USB PCI interrupt line to %d\n",
__func__, bus, devfn, usbirq);
usb = dev_find_slot(bus, devfn);
if (! usb){
printk(BIOS_ERR, "Could not find USB\n");
} else {
pci_write_config8(usb, PCI_INTERRUPT_LINE, usbirq);
}
#endif
init_dcon();
printk(BIOS_DEBUG, "OLPC REVA EXIT %s\n", __func__);
}
static void enable_dev(struct device *dev)
{
dev->ops->init = init;
}
struct chip_operations mainboard_ops = {
CHIP_NAME("OLPC rev_a Mainboard")
.enable_dev = enable_dev,
};

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@ -1,182 +0,0 @@
#include <stdint.h>
#include <device/pci_def.h>
#include <arch/io.h>
#include <device/pnp_def.h>
#include <arch/hlt.h>
#include <console/console.h>
#include "lib/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>
#include <cpu/amd/geode_post_code.h>
#define SERIAL_DEV PNP_DEV(0x2e, W83627HF_SP1)
#include "southbridge/amd/cs5536/cs5536_early_smbus.c"
#include "southbridge/amd/cs5536/cs5536_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;
}
/* sdram parameters for OLPC:
row address = 13
col address = 9
banks = 4
dimm0size=128MB
d0_MB=1 (module banks)
d0_cb=4 (component banks)
do_psz=4KB (page size)
Trc=10 (clocks) (ref2act)
Tras=7 (act2pre)
Trcd=3 (act2cmd)
Trp=3 (pre2act)
Trrd=2 (act2act)
Tref=17.8ms
*/
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 = 1;
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 = 4;
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 */
/* this is multiples of 8 MB */
/* actually it is 2^x*4, where x is the value you put in */
/* for OLPC, set default size */
/* dimm size - hardcoded 128Mb */
val = 5;
msr.hi &= ~(0xf << CF07_UPPER_D0_SZ_SHIFT);
msr.hi |= (val << CF07_UPPER_D0_SZ_SHIFT);
/* page size = 2^col address */
val = 2; /* 4096 bytes */
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("\n");
/* this is a standard value, DOES NOT PROBABLY MATCH FROM ABOVE */
/* well, it may be close. It's about 200,000 ticks */
msr.lo = 0x00003000;
wrmsr(MC_CF07_DATA, msr);
/* timing and mode ... */
msr = rdmsr(0x20000019);
/* per standard bios settings */
msr.hi = 0x18000108;
msr.lo =
(6<<28) | // cas_lat
(10<<24)| // ref2act
(7<<20)| // act2pre
(3<<16)| // pre2act
(3<<12)| // act2cmd
(2<<8)| // act2act
(2<<6)| // dplwr
(2<<4)| // dplrd
(3); // dal
/* the msr value reported by quanta is very, very different.
* we will go with that value for now.
*/
msr.lo = 0x286332a3;
wrmsr(0x20000019, msr);
}
#include "northbridge/amd/gx2/raminit.c"
#include "lib/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"
#include "cpu/amd/model_lx/msrinit.c"
static void gpio_init(void)
{
unsigned long m;
/* Make sure events enable for gpio 12 is off */
m = inl(GPIOL_EVENTS_ENABLE);
m &= ~GPIOL_12_SET;
m |= GPIOL_12_CLEAR;
outl(m, GPIOL_EVENTS_ENABLE);
}
void main(unsigned long bist)
{
static const struct mem_controller memctrl [] = {
{.channel0 = {(0xa<<3)|0, (0xa<<3)|1}}
};
SystemPreInit();
msr_init();
cs5536_early_setup();
/* NOTE: must do this AFTER the early_setup!
* it is counting on some early MSR setup
* for cs5536
*/
cs5536_setup_onchipuart(1);
gpio_init();
uart_init();
console_init();
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
pll_reset();
cpuRegInit();
print_err("done cpuRegInit\n");
sdram_initialize(1, memctrl);
/* Check all of memory */
//ram_check(0x00000000, 640*1024);
}