void mainboard_config_superio(void)
{
setup_sio_gpios();
/* Early SuperIO setup */
it8772f_ac_resume_southbridge(DUMMY_DEV);
ite_kill_watchdog(GPIO_DEV);
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
void mainboard_pre_console_init(void)
{
/* Early SuperIO setup */
it8772f_ac_resume_southbridge(IT8772F_SUPERIO_DEV);
ite_kill_watchdog(IT8772F_GPIO_DEV);
ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);
/* Turn On Power LED */
set_power_led(LED_ON);
}
void main(unsigned long bist)
{
int boot_mode = 0;
int cbmem_was_initted;
struct pei_data pei_data = {
.pei_version = PEI_VERSION,
.mchbar = (uintptr_t)DEFAULT_MCHBAR,
.dmibar = (uintptr_t)DEFAULT_DMIBAR,
.epbar = DEFAULT_EPBAR,
.pciexbar = CONFIG_MMCONF_BASE_ADDRESS,
.smbusbar = SMBUS_IO_BASE,
.wdbbar = 0x4000000,
.wdbsize = 0x1000,
.hpet_address = CONFIG_HPET_ADDRESS,
.rcba = (uintptr_t)DEFAULT_RCBABASE,
.pmbase = DEFAULT_PMBASE,
.gpiobase = DEFAULT_GPIOBASE,
.thermalbase = 0xfed08000,
.system_type = 0, // 0 Mobile, 1 Desktop/Server
.tseg_size = CONFIG_SMM_TSEG_SIZE,
.spd_addresses = { 0xa0, 0x00,0xa4,0x00 },
.ts_addresses = { 0x00, 0x00, 0x00, 0x00 },
.ec_present = 0,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
.dimm_channel0_disabled = 2,
.dimm_channel1_disabled = 2,
.max_ddr3_freq = 1333,
.usb_port_config = {
{ 1, 0, 0x0080 }, /* P0: Front port (OC0) */
{ 1, 1, 0x0040 }, /* P1: Back port (OC1) */
{ 1, 0, 0x0040 }, /* P2: MINIPCIE1 (no OC) */
{ 1, 0, 0x0040 }, /* P3: MMC (no OC) */
{ 1, 2, 0x0080 }, /* P4: Front port (OC2) */
{ 0, 0, 0x0000 }, /* P5: Empty */
{ 0, 0, 0x0000 }, /* P6: Empty */
{ 0, 0, 0x0000 }, /* P7: Empty */
{ 1, 4, 0x0040 }, /* P8: Back port (OC4) */
{ 1, 4, 0x0040 }, /* P9: MINIPCIE3 (no OC) */
{ 1, 4, 0x0040 }, /* P10: BLUETOOTH (no OC) */
{ 0, 4, 0x0000 }, /* P11: Empty */
{ 1, 6, 0x0040 }, /* P12: Back port (OC6) */
{ 1, 5, 0x0040 }, /* P13: Back port (OC5) */
},
};
timestamp_init(get_initial_timestamp());
timestamp_add_now(TS_START_ROMSTAGE);
if (bist == 0)
enable_lapic();
pch_enable_lpc();
/* Enable GPIOs */
pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE|1);
pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10);
setup_pch_gpios(&stumpy_gpio_map);
setup_sio_gpios();
/* Early SuperIO setup */
it8772f_ac_resume_southbridge(DUMMY_DEV);
ite_kill_watchdog(GPIO_DEV);
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
console_init();
init_bootmode_straps();
/* Halt if there was a built in self test failure */
report_bist_failure(bist);
if (MCHBAR16(SSKPD) == 0xCAFE) {
printk(BIOS_DEBUG, "soft reset detected\n");
boot_mode = 1;
/* System is not happy after keyboard reset... */
printk(BIOS_DEBUG, "Issuing CF9 warm reset\n");
outb(0x6, 0xcf9);
halt();
}
/* Perform some early chipset initialization required
* before RAM initialization can work
*/
sandybridge_early_initialization(SANDYBRIDGE_MOBILE);
printk(BIOS_DEBUG, "Back from sandybridge_early_initialization()\n");
boot_mode = southbridge_detect_s3_resume() ? 2 : 0;
post_code(0x38);
/* Enable SPD ROMs and DDR-III DRAM */
enable_smbus();
/* Prepare USB controller early in S3 resume */
if (boot_mode == 2) {
/*
* For Stumpy the back USB ports are reset on resume
* so default to resetting the controller to make the
* kernel happy. There is a CMOS flag to disable the
* controller reset in case the kernel can tolerate
* the device power loss better in the future.
*/
u8 magic = cmos_read(CMOS_USB_RESET_DISABLE);
if (magic == USB_RESET_DISABLE_MAGIC) {
printk(BIOS_DEBUG, "USB Controller Reset Disabled\n");
enable_usb_bar();
} else {
printk(BIOS_DEBUG, "USB Controller Reset Enabled\n");
}
} else {
/* Ensure USB reset on resume is enabled at boot */
cmos_write(0, CMOS_USB_RESET_DISABLE);
}
post_code(0x39);
pei_data.boot_mode = boot_mode;
timestamp_add_now(TS_BEFORE_INITRAM);
sdram_initialize(&pei_data);
timestamp_add_now(TS_AFTER_INITRAM);
post_code(0x3a);
/* Perform some initialization that must run before stage2 */
early_pch_init();
post_code(0x3b);
rcba_config();
post_code(0x3c);
quick_ram_check();
post_code(0x3e);
cbmem_was_initted = !cbmem_recovery(boot_mode==2);
if (boot_mode!=2)
save_mrc_data(&pei_data);
if (boot_mode==2 && !cbmem_was_initted) {
/* Failed S3 resume, reset to come up cleanly */
outb(0x6, 0xcf9);
halt();
}
northbridge_romstage_finalize(boot_mode==2);
post_code(0x3f);
if (CONFIG_LPC_TPM) {
init_tpm(boot_mode == 2);
}
}
void mainboard_romstage_entry(unsigned long bist)
{
struct pei_data pei_data = {
.pei_version = PEI_VERSION,
.mchbar = (uintptr_t)DEFAULT_MCHBAR,
.dmibar = (uintptr_t)DEFAULT_DMIBAR,
.epbar = DEFAULT_EPBAR,
.pciexbar = DEFAULT_PCIEXBAR,
.smbusbar = SMBUS_IO_BASE,
.wdbbar = 0x4000000,
.wdbsize = 0x1000,
.hpet_address = HPET_ADDR,
.rcba = (uintptr_t)DEFAULT_RCBA,
.pmbase = DEFAULT_PMBASE,
.gpiobase = DEFAULT_GPIOBASE,
.temp_mmio_base = 0xfed08000,
.system_type = 5, /* ULT */
.tseg_size = CONFIG_SMM_TSEG_SIZE,
.spd_addresses = { 0xa0, 0x00, 0xa4, 0x00 },
.ec_present = 0,
// 0 = leave channel enabled
// 1 = disable dimm 0 on channel
// 2 = disable dimm 1 on channel
// 3 = disable dimm 0+1 on channel
.dimm_channel0_disabled = 2,
.dimm_channel1_disabled = 2,
// Enable 2x refresh mode
.ddr_refresh_2x = 1,
.dq_pins_interleaved = 1,
.max_ddr3_freq = 1600,
.usb_xhci_on_resume = 1,
.usb2_ports = {
/* Length, Enable, OCn#, Location */
{ 0x0064, 1, 0, /* P0: VP8 */
USB_PORT_MINI_PCIE },
{ 0x0040, 1, 0, /* P1: Port A, CN22 */
USB_PORT_INTERNAL },
{ 0x0040, 1, 1, /* P2: Port B, CN23 */
USB_PORT_INTERNAL },
{ 0x0040, 1, USB_OC_PIN_SKIP, /* P3: WLAN */
USB_PORT_INTERNAL },
{ 0x0040, 1, 2, /* P4: Port C, CN25 */
USB_PORT_INTERNAL },
{ 0x0040, 1, 2, /* P5: Port D, CN25 */
USB_PORT_INTERNAL },
{ 0x0040, 1, USB_OC_PIN_SKIP, /* P6: Card Reader */
USB_PORT_INTERNAL },
{ 0x0000, 0, 0, /* P7: N/C */
USB_PORT_SKIP },
},
.usb3_ports = {
/* Enable, OCn# */
{ 1, 0 }, /* P1; CN22 */
{ 1, 1 }, /* P2; CN23 */
{ 1, 2 }, /* P3; CN25 */
{ 1, 2 }, /* P4; CN25 */
},
};
struct romstage_params romstage_params = {
.pei_data = &pei_data,
.gpio_map = &mainboard_gpio_map,
.rcba_config = &rcba_config[0],
.bist = bist,
};
/* Early SuperIO setup */
ite_kill_watchdog(IT8772F_GPIO_DEV);
it8772f_ac_resume_southbridge(IT8772F_DUMMY_DEV);
pch_enable_lpc();
ite_enable_serial(IT8772F_SERIAL_DEV, CONFIG_TTYS0_BASE);
/* Turn on Power LED GP22 for Tricky */
it8772f_gpio_led(IT8772F_GPIO_DEV, 2 /* set */, 0xF7 /* select */,
0x04 /* polarity: inverting */, 0x00 /* 0=pulldown */,
0x04 /* output */, 0x04 /* 1=Simple IO function */,
SIO_GPIO_BLINK_GPIO22, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
/* Call into the real romstage main with this board's attributes. */
romstage_common(&romstage_params);
}
