| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2007-2010 coresystems GmbH |
| * Copyright (C) 2012 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <delay.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <cbfs.h> |
| #include <console/console.h> |
| #include "cpu/intel/haswell/haswell.h" |
| #include "northbridge/intel/haswell/haswell.h" |
| #include "northbridge/intel/haswell/raminit.h" |
| #include "southbridge/intel/lynxpoint/pch.h" |
| #include "southbridge/intel/lynxpoint/lp_gpio.h" |
| #include "gpio.h" |
| |
| const struct rcba_config_instruction rcba_config[] = { |
| |
| /* |
| * GFX INTA -> PIRQA (MSI) |
| * D28IP_P1IP PCIE INTA -> PIRQA |
| * D29IP_E1P EHCI INTA -> PIRQD |
| * D20IP_XHCI XHCI INTA -> PIRQC (MSI) |
| * D31IP_SIP SATA INTA -> PIRQF (MSI) |
| * D31IP_SMIP SMBUS INTB -> PIRQG |
| * D31IP_TTIP THRT INTC -> PIRQA |
| * D27IP_ZIP HDA INTA -> PIRQG (MSI) |
| */ |
| |
| /* Device interrupt pin register (board specific) */ |
| RCBA_SET_REG_32(D31IP, (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) | |
| (INTB << D31IP_SMIP) | (INTA << D31IP_SIP)), |
| RCBA_SET_REG_32(D29IP, (INTA << D29IP_E1P)), |
| RCBA_SET_REG_32(D28IP, (INTA << D28IP_P1IP) | (INTC << D28IP_P3IP) | |
| (INTB << D28IP_P4IP)), |
| RCBA_SET_REG_32(D27IP, (INTA << D27IP_ZIP)), |
| RCBA_SET_REG_32(D26IP, (INTA << D26IP_E2P)), |
| RCBA_SET_REG_32(D22IP, (NOINT << D22IP_MEI1IP)), |
| RCBA_SET_REG_32(D20IP, (INTA << D20IP_XHCI)), |
| |
| /* Device interrupt route registers */ |
| RCBA_SET_REG_32(D31IR, DIR_ROUTE(PIRQG, PIRQC, PIRQB, PIRQA)),/* LPC */ |
| RCBA_SET_REG_32(D29IR, DIR_ROUTE(PIRQD, PIRQD, PIRQD, PIRQD)),/* EHCI */ |
| RCBA_SET_REG_32(D28IR, DIR_ROUTE(PIRQA, PIRQB, PIRQC, PIRQD)),/* PCIE */ |
| RCBA_SET_REG_32(D27IR, DIR_ROUTE(PIRQG, PIRQG, PIRQG, PIRQG)),/* HDA */ |
| RCBA_SET_REG_32(D22IR, DIR_ROUTE(PIRQA, PIRQA, PIRQA, PIRQA)),/* ME */ |
| RCBA_SET_REG_32(D21IR, DIR_ROUTE(PIRQE, PIRQF, PIRQF, PIRQF)),/* SIO */ |
| RCBA_SET_REG_32(D20IR, DIR_ROUTE(PIRQC, PIRQC, PIRQC, PIRQC)),/* XHCI */ |
| RCBA_SET_REG_32(D23IR, DIR_ROUTE(PIRQH, PIRQH, PIRQH, PIRQH)),/* SDIO */ |
| |
| /* Disable unused devices (board specific) */ |
| RCBA_RMW_REG_32(FD, ~0, PCH_DISABLE_ALWAYS), |
| |
| RCBA_END_CONFIG, |
| }; |
| |
| /* Copy SPD data for on-board memory */ |
| static void copy_spd(struct pei_data *peid) |
| { |
| const int gpio_vector[] = {13, 9, 47, -1}; |
| int spd_index = get_gpios(gpio_vector); |
| struct cbfs_file *spd_file; |
| |
| printk(BIOS_DEBUG, "SPD index %d\n", spd_index); |
| spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin"); |
| if (!spd_file) |
| die("SPD data not found."); |
| |
| if (ntohl(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], |
| ((char*)CBFS_SUBHEADER(spd_file)) + |
| spd_index * sizeof(peid->spd_data[0]), |
| sizeof(peid->spd_data[0])); |
| } |
| |
| /* |
| * Power Sequencing for SanDisk i100/i110 SSD |
| * |
| * Must be sequenced in this order with specified timing. |
| * |
| * 1. VCC_IO : 30us - 100ms |
| * 2. VCC_FLASH : 70us - 10ms |
| * 3. VCCQ : 70us - 10ms |
| * 4. VDDC : 30us - 100ms |
| * |
| * There is no feedback to know if the voltage has stabilized |
| * so this implementation will use the max ramp times. That |
| * means it adds significantly to the boot time. |
| */ |
| static void issd_power_sequence(void) |
| { |
| struct gpio_seq { |
| int gpio; |
| int wait_ms; |
| } issd_gpio_seq[] = { |
| { 49, 100 }, /* VCC_IO: GPIO 49, wait 100ms */ |
| { 44, 10 }, /* VCC_FLASH: GPIO 44, wait 10ms */ |
| { 17, 10 }, /* VCCQ: GPIO 17, wait 10ms */ |
| { 16, 100 }, /* VDDC: GPIO 16, wait 100ms */ |
| }; |
| int step; |
| |
| for (step = 0; step < ARRAY_SIZE(issd_gpio_seq); step++) { |
| set_gpio(issd_gpio_seq[step].gpio, 1); |
| udelay(issd_gpio_seq[step].wait_ms * 1000); |
| } |
| } |
| |
| void mainboard_romstage_entry(unsigned long bist) |
| { |
| struct pei_data pei_data = { |
| pei_version: PEI_VERSION, |
| mchbar: DEFAULT_MCHBAR, |
| dmibar: DEFAULT_DMIBAR, |
| epbar: DEFAULT_EPBAR, |
| pciexbar: DEFAULT_PCIEXBAR, |
| smbusbar: SMBUS_IO_BASE, |
| wdbbar: 0x4000000, |
| wdbsize: 0x1000, |
| hpet_address: HPET_ADDR, |
| rcba: DEFAULT_RCBA, |
| pmbase: DEFAULT_PMBASE, |
| gpiobase: DEFAULT_GPIOBASE, |
| temp_mmio_base: 0xfed08000, |
| system_type: 5, /* ULT */ |
| tseg_size: CONFIG_SMM_TSEG_SIZE, |
| spd_addresses: { 0xff, 0x00, 0xff, 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, |
| usb2_ports: { |
| /* Length, Enable, OCn# */ |
| { 0x0040, 1, USB_OC_PIN_SKIP }, /* P0: LTE */ |
| { 0x0040, 1, 0 }, /* P1: Port A, CN10 */ |
| { 0x0040, 1, USB_OC_PIN_SKIP }, /* P2: CCD */ |
| { 0x0040, 1, USB_OC_PIN_SKIP }, /* P3: BT */ |
| { 0x0040, 1, 2 }, /* P4: Port B, CN6 */ |
| { 0x0040, 0, USB_OC_PIN_SKIP }, /* P5: EMPTY */ |
| { 0x0040, 1, USB_OC_PIN_SKIP }, /* P6: SD Card */ |
| { 0x0040, 0, USB_OC_PIN_SKIP }, /* P7: EMPTY */ |
| }, |
| usb3_ports: { |
| /* Enable, OCn# */ |
| { 1, 0 }, /* P1; Port A, CN10 */ |
| { 1, 2 }, /* P2; Port B, CN6 */ |
| { 0, USB_OC_PIN_SKIP }, /* P3; */ |
| { 0, USB_OC_PIN_SKIP }, /* P4; */ |
| }, |
| }; |
| |
| struct romstage_params romstage_params = { |
| .pei_data = &pei_data, |
| .gpio_map = &mainboard_gpio_map, |
| .rcba_config = &rcba_config[0], |
| .bist = bist, |
| }; |
| |
| /* Prepare SPD data */ |
| copy_spd(&pei_data); |
| |
| /* Call into the real romstage main with this board's attributes. */ |
| romstage_common(&romstage_params); |
| |
| /* Power sequence the iSSD module */ |
| issd_power_sequence(); |
| } |