| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2010 coresystems GmbH |
| * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <stdint.h> |
| #include <string.h> |
| #include <lib.h> |
| #include <timestamp.h> |
| #include <arch/io.h> |
| #include <device/pci_def.h> |
| #include <device/pnp_def.h> |
| #include <cpu/x86/lapic.h> |
| #include <pc80/mc146818rtc.h> |
| #include <arch/acpi.h> |
| #include <cbmem.h> |
| #include <console/console.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 <northbridge/intel/sandybridge/raminit_native.h> |
| #include <southbridge/intel/bd82x6x/pch.h> |
| #include <southbridge/intel/common/gpio.h> |
| #include <arch/cpu.h> |
| #include <cpu/x86/msr.h> |
| #include <halt.h> |
| #include <security/tpm/tis.h> |
| #if IS_ENABLED(CONFIG_DRIVERS_UART_8250IO) |
| #include <superio/smsc/lpc47n207/lpc47n207.h> |
| #endif |
| |
| /* Stumpy USB Reset Disable defined in cmos.layout */ |
| #if IS_ENABLED(CONFIG_USE_OPTION_TABLE) |
| #include "option_table.h" |
| #define CMOS_USB_RESET_DISABLE (CMOS_VSTART_stumpy_usb_reset_disable >> 3) |
| #else |
| #define CMOS_USB_RESET_DISABLE (400 >> 3) |
| #endif |
| #define USB_RESET_DISABLE_MAGIC (0xdd) /* Disable if set to this */ |
| |
| #define DUMMY_DEV PNP_DEV(0x2e, 0) |
| #define SERIAL_DEV PNP_DEV(0x2e, IT8772F_SP1) |
| #define GPIO_DEV PNP_DEV(0x2e, IT8772F_GPIO) |
| |
| void pch_enable_lpc(void) |
| { |
| /* Set COM1/COM2 decode range */ |
| pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0010); |
| |
| #if IS_ENABLED(CONFIG_DRIVERS_UART_8250IO) |
| /* Enable SuperIO + PS/2 Keyboard/Mouse + COM1 + lpc47n207 config*/ |
| pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | KBC_LPC_EN |\ |
| CNF2_LPC_EN | COMA_LPC_EN); |
| |
| /* map full 256 bytes at 0x1600 to the LPC bus */ |
| pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0xfc1601); |
| |
| try_enabling_LPC47N207_uart(); |
| #else |
| /* Enable SuperIO + PS/2 Keyboard/Mouse */ |
| pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF1_LPC_EN | KBC_LPC_EN); |
| #endif |
| } |
| |
| void mainboard_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); |
| |
| /* Enable IOAPIC (generic) */ |
| RCBA16(OIC) = 0x0100; |
| /* PCH BWG says to read back the IOAPIC enable register */ |
| (void) RCBA16(OIC); |
| } |
| |
| static void setup_sio_gpios(void) |
| { |
| /* |
| * GPIO10 as USBPWRON12# |
| * GPIO12 as USBPWRON13# |
| */ |
| it8772f_gpio_setup(DUMMY_DEV, 1, 0x05, 0x05, 0x00, 0x05, 0x05); |
| |
| /* |
| * GPIO22 as wake SCI# |
| */ |
| it8772f_gpio_setup(DUMMY_DEV, 2, 0x04, 0x04, 0x00, 0x04, 0x04); |
| |
| /* |
| * GPIO32 as EXTSMI# |
| */ |
| it8772f_gpio_setup(DUMMY_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(DUMMY_DEV, 5, 0x06, 0x06, 0x00, 0x06, 0x06); |
| it8772f_gpio_setup(DUMMY_DEV, 6, 0x00, 0x00, 0x00, 0x00, 0x00); |
| } |
| |
| void mainboard_fill_pei_data(struct pei_data *pei_data) |
| { |
| struct pei_data pei_data_template = { |
| .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) */ |
| }, |
| }; |
| *pei_data = pei_data_template; |
| } |
| |
| void mainboard_get_spd(spd_raw_data *spd, bool id_only) |
| { |
| read_spd(&spd[0], 0x50, id_only); |
| read_spd(&spd[2], 0x52, id_only); |
| } |
| |
| const struct southbridge_usb_port mainboard_usb_ports[] = { |
| /* enabled power usb oc pin */ |
| { 1, 1, 0 }, /* P0: Front port (OC0) */ |
| { 1, 0, 1 }, /* P1: Back port (OC1) */ |
| { 1, 0, -1 }, /* P2: MINIPCIE1 (no OC) */ |
| { 1, 0, -1 }, /* P3: MMC (no OC) */ |
| { 1, 1, 2 }, /* P4: Front port (OC2) */ |
| { 0, 0, -1 }, /* P5: Empty */ |
| { 0, 0, -1 }, /* P6: Empty */ |
| { 0, 0, -1 }, /* P7: Empty */ |
| { 1, 0, 4 }, /* P8: Back port (OC4) */ |
| { 1, 0, -1 }, /* P9: MINIPCIE3 (no OC) */ |
| { 1, 0, -1 }, /* P10: BLUETOOTH (no OC) */ |
| { 0, 0, -1 }, /* P11: Empty */ |
| { 1, 0, 6 }, /* P12: Back port (OC6) */ |
| { 1, 0, 5 }, /* P13: Back port (OC5) */ |
| }; |
| |
| void mainboard_early_init(int s3resume) |
| { |
| init_bootmode_straps(); |
| } |
| |
| int mainboard_should_reset_usb(int s3resume) |
| { |
| if (s3resume) { |
| /* |
| * 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"); |
| return 0; |
| } else { |
| printk(BIOS_DEBUG, "USB Controller Reset Enabled\n"); |
| return 1; |
| } |
| } else { |
| /* Ensure USB reset on resume is enabled at boot */ |
| cmos_write(0, CMOS_USB_RESET_DISABLE); |
| return 1; |
| } |
| } |
| |
| 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); |
| } |