diff options
Diffstat (limited to 'src/mainboard/google/link/early_init.c')
| -rw-r--r-- | src/mainboard/google/link/early_init.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/mainboard/google/link/early_init.c b/src/mainboard/google/link/early_init.c new file mode 100644 index 0000000000..9d985e622c --- /dev/null +++ b/src/mainboard/google/link/early_init.c @@ -0,0 +1,203 @@ +/* + * 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 <device/pci_ops.h> +#include <device/pci.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 "ec/google/chromeec/ec.h" +#include <cbfs.h> + +#include <southbridge/intel/bd82x6x/chip.h> + +void mainboard_pch_lpc_setup(void) +{ + /* 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); +} + +void mainboard_late_rcba_config(void) +{ + /* + * 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); +} + +static uint8_t *locate_spd(void) +{ + const int gpio_vector[] = {41, 42, 43, 10, -1}; + uint8_t *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) * 256)) { + printk(BIOS_ERR, "spd index override to 0 - old hardware?\n"); + spd_index = 0; + } + + if (spd_file_len < 256) + die("Missing SPD data."); + + return spd_file + spd_index * 256; +} + +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; + /* LINK has 2 channels of memory down, so spd_data[0] and [2] + both need to be populated */ + memcpy(pei_data->spd_data[0], locate_spd(), + sizeof(pei_data->spd_data[0])); + memcpy(pei_data->spd_data[2], pei_data->spd_data[0], + sizeof(pei_data->spd_data[0])); +} + +const struct southbridge_usb_port mainboard_usb_ports[] = { + /* enabled power usb oc pin */ + { 0, 0, -1 }, /* P0: Empty */ + { 1, 0, 0 }, /* P1: Left USB 1 (OC0) */ + { 1, 0, 1 }, /* P2: Left USB 2 (OC1) */ + { 1, 0, -1 }, /* P3: SDCARD (no OC) */ + { 0, 0, -1 }, /* P4: Empty */ + { 1, 0, -1 }, /* P5: WWAN (no OC) */ + { 0, 0, -1 }, /* P6: Empty */ + { 0, 0, -1 }, /* P7: Empty */ + { 1, 0, -1 }, /* P8: Camera (no OC) */ + { 1, 0, -1 }, /* P9: Bluetooth (no OC) */ + { 0, 0, -1 }, /* P10: Empty */ + { 0, 0, -1 }, /* P11: Empty */ + { 0, 0, -1 }, /* P12: Empty */ + { 0, 0, -1 }, /* P13: Empty */ +}; + +void mainboard_get_spd(spd_raw_data *spd, bool id_only) +{ + /* LINK has 2 channels of memory down, so spd_data[0] and [2] + both need to be populated */ + memcpy(&spd[0], locate_spd(), 128); + memcpy(&spd[2], &spd[0], 128); +} + +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; +} |