diff options
Diffstat (limited to 'src/mainboard/google/stout/early_init.c')
| -rw-r--r-- | src/mainboard/google/stout/early_init.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/mainboard/google/stout/early_init.c b/src/mainboard/google/stout/early_init.c new file mode 100644 index 0000000000..6ee982ad73 --- /dev/null +++ b/src/mainboard/google/stout/early_init.c @@ -0,0 +1,217 @@ +/* + * 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 <device/pci_ops.h> +#include <device/pci_def.h> +#include <cpu/x86/lapic.h> +#include <arch/acpi.h> +#include <console/console.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 <bootmode.h> +#include <ec/quanta/it8518/ec.h> +#include "ec.h" +#include "onboard.h" + +void mainboard_pch_lpc_setup(void) +{ + /* + * Enable: + * EC Decode Range Port62/66 + * SuperIO Port2E/2F + * PS/2 Keyboard/Mouse Port60/64 + * FDD Port3F0h-3F5h and Port3F7h + */ + pci_write_config16(PCH_LPC_DEV, LPC_EN, KBC_LPC_EN | MC_LPC_EN | + CNF1_LPC_EN | FDD_LPC_EN); +} + +void mainboard_late_rcba_config(void) +{ + u32 reg32; + + /* + * GFX INTA -> PIRQA (MSI) + * D20IP_XHCI XHCI INTA -> PIRQD (MSI) + * D26IP_E2P EHCI #2 INTA -> PIRQF + * D27IP_ZIP HDA INTA -> PIRQA (MSI) + * D28IP_P2IP WLAN INTA -> PIRQD + * D28IP_P3IP Card Reader INTB -> PIRQE + * D28IP_P6IP LAN INTC -> PIRQB + * D29IP_E1P EHCI #1 INTA -> PIRQD + * D31IP_SIP SATA INTA -> PIRQB (MSI) + * D31IP_SMIP SMBUS INTB -> PIRQH + */ + + /* Device interrupt pin register (board specific) */ + RCBA32(D31IP) = (NOINT << D31IP_TTIP) | (NOINT << D31IP_SIP2) | + (INTB << D31IP_SMIP) | (INTA << D31IP_SIP); + RCBA32(D30IP) = (NOINT << D30IP_PIP); + RCBA32(D29IP) = (INTA << D29IP_E1P); + RCBA32(D28IP) = (NOINT << D28IP_P1IP) | (INTA << D28IP_P2IP) | + (INTB << D28IP_P3IP) | (NOINT << D28IP_P4IP) | + (NOINT << D28IP_P5IP) | (INTC << D28IP_P6IP) | + (NOINT << D28IP_P7IP) | (NOINT << D28IP_P8IP); + RCBA32(D27IP) = (INTA << D27IP_ZIP); + RCBA32(D26IP) = (INTA << D26IP_E2P); + RCBA32(D25IP) = (NOINT << D25IP_LIP); + RCBA32(D22IP) = (NOINT << D22IP_MEI1IP); + RCBA32(D20IP) = (INTA << D20IP_XHCIIP); + + /* Device interrupt route registers */ + DIR_ROUTE(D31IR, PIRQB, PIRQH, PIRQA, PIRQC); + DIR_ROUTE(D29IR, PIRQD, PIRQE, PIRQF, PIRQG); + DIR_ROUTE(D28IR, PIRQD, PIRQE, PIRQB, PIRQC); + DIR_ROUTE(D27IR, PIRQA, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D26IR, PIRQF, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D25IR, PIRQA, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D22IR, PIRQA, PIRQB, PIRQC, PIRQD); + DIR_ROUTE(D20IR, PIRQD, PIRQE, PIRQF, PIRQG); + + /* 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); + /* Disable PCI bridge so MRC does not probe this bus */ + reg32 |= PCH_DISABLE_P2P; + RCBA32(FD) = reg32; +} + + /* + * The Stout EC needs to be reset to RW mode. It is important that + * the RTC_PWR_STS is not set until ramstage EC init. + */ +static void early_ec_init(void) +{ + u8 ec_status = ec_read(EC_STATUS_REG); + int rec_mode = get_recovery_mode_switch(); + + if (((ec_status & 0x3) == EC_IN_RO_MODE) || + ((ec_status & 0x3) == EC_IN_RECOVERY_MODE)) { + + printk(BIOS_DEBUG, "EC Cold Boot Detected\n"); + if (!rec_mode) { + /* + * Tell EC to exit RO mode + */ + printk(BIOS_DEBUG, "EC will exit RO mode and boot normally\n"); + ec_write_cmd(EC_CMD_EXIT_BOOT_BLOCK); + die("wait for ec to reset"); + } + } else { + printk(BIOS_DEBUG, "EC Warm Boot Detected\n"); + ec_write_cmd(EC_CMD_WARM_RESET); + } +} + +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); +} + +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 = 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 = { + /* enabled usb oc pin length */ + { 1, 0, 0x0040 }, /* P0: USB 3.0 1 (OC0) */ + { 1, 0, 0x0040 }, /* P1: USB 3.0 2 (OC0) */ + { 0, 1, 0x0000 }, /* P2: Empty */ + { 1, 1, 0x0040 }, /* P3: Camera (no OC) */ + { 1, 1, 0x0040 }, /* P4: WLAN (no OC) */ + { 1, 1, 0x0040 }, /* P5: WWAN (no OC) */ + { 0, 1, 0x0000 }, /* P6: Empty */ + { 0, 1, 0x0000 }, /* P7: Empty */ + { 0, 5, 0x0000 }, /* P8: Empty */ + { 1, 4, 0x0040 }, /* P9: USB 2.0 (AUO4) (OC4) */ + { 0, 5, 0x0000 }, /* P10: Empty */ + { 0, 5, 0x0000 }, /* P11: Empty */ + { 0, 5, 0x0000 }, /* P12: Empty */ + { 1, 5, 0x0040 }, /* P13: Bluetooth (no OC) */ + }, + .usb3 = { + .mode = XHCI_MODE, + .hs_port_switch_mask = XHCI_PORTS, + .preboot_support = XHCI_PREBOOT, + .xhci_streams = XHCI_STREAMS, + }, + }; + *pei_data = pei_data_template; +} + +void mainboard_early_init(int s3resume) +{ + /* Do ec reset as early as possible, but skip it on S3 resume */ + if (!s3resume) { + early_ec_init(); + } +} + +int mainboard_should_reset_usb(int s3resume) +{ + return !s3resume; +} + +const struct southbridge_usb_port mainboard_usb_ports[] = { + /* enabled usb oc pin length */ + {1, 0, 0}, /* P0: USB 3.0 1 (OC0) */ + {1, 0, 0}, /* P1: USB 3.0 2 (OC0) */ + {0, 0, 0}, /* P2: Empty */ + {1, 0, -1}, /* P3: Camera (no OC) */ + {1, 0, -1}, /* P4: WLAN (no OC) */ + {1, 0, -1}, /* P5: WWAN (no OC) */ + {0, 0, 0}, /* P6: Empty */ + {0, 0, 0}, /* P7: Empty */ + {0, 0, 0}, /* P8: Empty */ + {1, 0, 4}, /* P9: USB 2.0 (AUO4) (OC4) */ + {0, 0, 0}, /* P10: Empty */ + {0, 0, 0}, /* P11: Empty */ + {0, 0, 0}, /* P12: Empty */ + {1, 0, -1}, /* P13: Bluetooth (no OC) */ +}; |