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/* SPDX-License-Identifier: GPL-2.0-only */
#include <bootblock_common.h>
#include <stdint.h>
#include <pc80/mc146818rtc.h>
#include <bootmode.h>
#include <superio/ite/common/ite.h>
#include <superio/ite/it8772f/it8772f.h>
#include <northbridge/intel/sandybridge/sandybridge.h>
#include <northbridge/intel/sandybridge/raminit.h>
#include <southbridge/intel/bd82x6x/pch.h>
#include <southbridge/intel/common/gpio.h>
#include <superio/smsc/lpc47n207/lpc47n207.h>
#define SERIAL_DEV PNP_DEV(0x2e, IT8772F_SP1)
#define GPIO_DEV PNP_DEV(0x2e, IT8772F_GPIO)
#define EC_DEV PNP_DEV(0x2e, IT8772F_EC)
void mainboard_late_rcba_config(void)
{
/*
* GFX INTA -> PIRQA (MSI)
* D28IP_P1IP WLAN INTA -> PIRQB
* D28IP_P4IP ETH0 INTB -> PIRQC
* D29IP_E1P EHCI1 INTA -> PIRQD
* D26IP_E2P EHCI2 INTA -> PIRQE
* D31IP_SIP SATA INTA -> PIRQF (MSI)
* D31IP_SMIP SMBUS INTB -> PIRQG
* D31IP_TTIP THRT INTC -> PIRQH
* D27IP_ZIP HDA INTA -> PIRQG (MSI)
*/
/* Device interrupt pin register (board specific) */
RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) |
(INTB << D31IP_SMIP) | (INTA << D31IP_SIP);
RCBA32(D30IP) = (NOINT << D30IP_PIP);
RCBA32(D29IP) = (INTA << D29IP_E1P);
RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) |
(INTB << D28IP_P4IP);
RCBA32(D27IP) = (INTA << D27IP_ZIP);
RCBA32(D26IP) = (INTA << D26IP_E2P);
RCBA32(D25IP) = (NOINT << D25IP_LIP);
RCBA32(D22IP) = (NOINT << D22IP_MEI1IP);
/* Device interrupt route registers */
DIR_ROUTE(D31IR, PIRQF, PIRQG, PIRQH, PIRQA);
DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG);
DIR_ROUTE(D28IR, PIRQB, PIRQC, PIRQD, PIRQE);
DIR_ROUTE(D27IR, PIRQG, PIRQH, PIRQA, PIRQB);
DIR_ROUTE(D26IR, PIRQE, PIRQF, PIRQG, PIRQH);
DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD);
DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD);
}
static void setup_sio_gpios(void)
{
/*
* GPIO10 as USBPWRON12#
* GPIO12 as USBPWRON13#
*/
it8772f_gpio_setup(GPIO_DEV, 1, 0x05, 0x05, 0x00, 0x05, 0x05);
/*
* GPIO22 as wake SCI#
*/
it8772f_gpio_setup(GPIO_DEV, 2, 0x04, 0x04, 0x00, 0x04, 0x04);
/*
* GPIO32 as EXTSMI#
*/
it8772f_gpio_setup(GPIO_DEV, 3, 0x04, 0x04, 0x00, 0x04, 0x04);
/*
* GPIO45 as LED_POWER#
*/
it8772f_gpio_led(GPIO_DEV, 4 /* set */, (0x1 << 5) /* select */,
(0x1 << 5) /* polarity */, (0x1 << 5) /* 1 = pullup */,
(0x1 << 5) /* output */, (0x1 << 5) /* 1 = Simple IO function */,
SIO_GPIO_BLINK_GPIO45, IT8772F_GPIO_BLINK_FREQUENCY_1_HZ);
/*
* GPIO51 as USBPWRON8#
* GPIO52 as USBPWRON1#
*/
it8772f_gpio_setup(GPIO_DEV, 5, 0x06, 0x06, 0x00, 0x06, 0x06);
it8772f_gpio_setup(GPIO_DEV, 6, 0x00, 0x00, 0x00, 0x00, 0x00);
}
void mainboard_fill_pei_data(struct pei_data *pei_data)
{
/* TODO: Confirm if nortbridge_fill_pei_data() gets .system_type right (should be 0) */
}
void bootblock_mainboard_early_init(void)
{
if (CONFIG(DRIVERS_UART_8250IO))
try_enabling_LPC47N207_uart();
setup_sio_gpios();
/* Early SuperIO setup */
ite_ac_resume_southbridge(EC_DEV);
ite_kill_watchdog(GPIO_DEV);
ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
}
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