| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2010 coresystems GmbH |
| * Copyright (C) 2011 Google Inc. |
| * |
| * 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.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 <northbridge/intel/sandybridge/sandybridge.h> |
| #include <northbridge/intel/sandybridge/raminit.h> |
| #include <southbridge/intel/bd82x6x/pch.h> |
| #include <southbridge/intel/bd82x6x/gpio.h> |
| #include "ec/google/chromeec/ec.h" |
| #include <arch/cpu.h> |
| #include <cpu/x86/msr.h> |
| #include <halt.h> |
| #include "gpio.h" |
| #include <tpm.h> |
| #include <cbfs.h> |
| |
| #include <southbridge/intel/bd82x6x/chip.h> |
| |
| void pch_enable_lpc(void) |
| { |
| const struct device *lpc; |
| const struct southbridge_intel_bd82x6x_config *config = NULL; |
| |
| lpc = dev_find_slot(0, PCI_DEVFN(0x1f, 0)); |
| if (!lpc) |
| return; |
| if (lpc->chip_info) |
| config = lpc->chip_info; |
| if (!config) |
| return; |
| |
| /* Set COM1/COM2 decode range */ |
| pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0010); |
| |
| /* Enable PS/2 Keyboard/Mouse, EC areas and COM1 */ |
| pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | MC_LPC_EN | \ |
| GAMEL_LPC_EN | COMA_LPC_EN); |
| |
| pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, config->gen1_dec); |
| pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, config->gen2_dec); |
| pci_write_config32(PCH_LPC_DEV, LPC_GEN3_DEC, config->gen3_dec); |
| pci_write_config32(PCH_LPC_DEV, LPC_GEN4_DEC, config->gen4_dec); |
| } |
| |
| void rcba_config(void) |
| { |
| u32 reg32; |
| |
| /* |
| * GFX INTA -> PIRQA (MSI) |
| * D28IP_P3IP WLAN INTA -> PIRQB |
| * D29IP_E1P EHCI1 INTA -> PIRQD |
| * D26IP_E2P EHCI2 INTA -> PIRQF |
| * D31IP_SIP SATA INTA -> PIRQF (MSI) |
| * D31IP_SMIP SMBUS INTB -> PIRQH |
| * D31IP_TTIP THRT INTC -> PIRQA |
| * D27IP_ZIP HDA INTA -> PIRQA (MSI) |
| * |
| * TRACKPAD -> PIRQE (Edge Triggered) |
| * TOUCHSCREEN -> PIRQG (Edge Triggered) |
| */ |
| |
| /* 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_P3IP); |
| 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, PIRQB, PIRQH, PIRQA, PIRQC); |
| DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG); |
| DIR_ROUTE(D28IR, PIRQB, PIRQC, PIRQD, PIRQE); |
| DIR_ROUTE(D27IR, PIRQA, PIRQH, PIRQA, PIRQB); |
| DIR_ROUTE(D26IR, PIRQF, PIRQE, 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); |
| |
| /* Disable unused devices (board specific) */ |
| reg32 = RCBA32(FD); |
| reg32 |= PCH_DISABLE_ALWAYS; |
| RCBA32(FD) = reg32; |
| } |
| |
| static void copy_spd(struct pei_data *peid) |
| { |
| const int gpio_vector[] = {41, 42, 43, 10, -1}; |
| char *spd_file; |
| size_t spd_file_len; |
| int spd_index = get_gpios(gpio_vector); |
| |
| printk(BIOS_DEBUG, "spd index %d\n", spd_index); |
| spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD, |
| &spd_file_len); |
| if (!spd_file) |
| die("SPD data not found."); |
| |
| if (spd_file_len < ((spd_index + 1) * sizeof(peid->spd_data[0]))) { |
| printk(BIOS_ERR, "spd index override to 0 - old hardware?\n"); |
| spd_index = 0; |
| } |
| |
| if (spd_file_len < sizeof(peid->spd_data[0])) |
| die("Missing SPD data."); |
| |
| memcpy(peid->spd_data[0], |
| spd_file + |
| spd_index * sizeof(peid->spd_data[0]), |
| sizeof(peid->spd_data[0])); |
| } |
| |
| 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, |
| .ts_addresses = { 0x00, 0x00, 0x00, 0x00 }, |
| .ec_present = 1, |
| .ddr3lv_support = 1, |
| // 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 = 1600, |
| .usb_port_config = { |
| /* Empty and onboard Ports 0-7, set to un-used pin OC3 */ |
| { 0, 3, 0x0000 }, /* P0: Empty */ |
| { 1, 0, 0x0040 }, /* P1: Left USB 1 (OC0) */ |
| { 1, 1, 0x0040 }, /* P2: Left USB 2 (OC1) */ |
| { 1, 3, 0x0040 }, /* P3: SDCARD (no OC) */ |
| { 0, 3, 0x0000 }, /* P4: Empty */ |
| { 1, 3, 0x0040 }, /* P5: WWAN (no OC) */ |
| { 0, 3, 0x0000 }, /* P6: Empty */ |
| { 0, 3, 0x0000 }, /* P7: Empty */ |
| /* Empty and onboard Ports 8-13, set to un-used pin OC4 */ |
| { 1, 4, 0x0040 }, /* P8: Camera (no OC) */ |
| { 1, 4, 0x0040 }, /* P9: Bluetooth (no OC) */ |
| { 0, 4, 0x0000 }, /* P10: Empty */ |
| { 0, 4, 0x0000 }, /* P11: Empty */ |
| { 0, 4, 0x0000 }, /* P12: Empty */ |
| { 0, 4, 0x0000 }, /* P13: Empty */ |
| }, |
| }; |
| *pei_data = pei_data_template; |
| copy_spd(pei_data); |
| } |
| |
| void mainboard_early_init(int s3resume) |
| { |
| if (!s3resume) { |
| /* This is the fastest way to let users know |
| * the Intel CPU is now alive. |
| */ |
| google_chromeec_kbbacklight(100); |
| } |
| } |
| |
| int mainboard_should_reset_usb(int s3resume) |
| { |
| return !s3resume; |
| } |
| |
| void mainboard_config_superio(void) |
| { |
| } |