From 94930e2622abe5b9e917f32c459041123ce2d273 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Sun, 24 Aug 2014 22:40:33 +0200 Subject: lenovo/x220: New port Change-Id: Ic213948e4d31457dda9b9f2d5a4f92cd34d1e57d Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/6757 Tested-by: build bot (Jenkins) Reviewed-by: Edward O'Callaghan --- src/mainboard/lenovo/x220/romstage.c | 265 +++++++++++++++++++++++++++++++++++ 1 file changed, 265 insertions(+) create mode 100644 src/mainboard/lenovo/x220/romstage.c (limited to 'src/mainboard/lenovo/x220/romstage.c') diff --git a/src/mainboard/lenovo/x220/romstage.c b/src/mainboard/lenovo/x220/romstage.c new file mode 100644 index 0000000000..04d577b6b6 --- /dev/null +++ b/src/mainboard/lenovo/x220/romstage.c @@ -0,0 +1,265 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2010 coresystems GmbH + * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved. + * Copyright (C) 2014 Vladimir Serbinenko + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "northbridge/intel/sandybridge/sandybridge.h" +#include "northbridge/intel/sandybridge/raminit_native.h" +#include "southbridge/intel/bd82x6x/pch.h" +#include "southbridge/intel/bd82x6x/gpio.h" +#include +#include +#include +#include + +static void pch_enable_lpc(void) +{ + /* X230 EC Decode Range Port60/64, Port62/66 */ + /* Enable EC, PS/2 Keyboard/Mouse */ + pci_write_config16(PCH_LPC_DEV, LPC_EN, + CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN | + COMA_LPC_EN); + + pci_write_config32(PCH_LPC_DEV, LPC_GEN1_DEC, 0x7c1601); + pci_write_config32(PCH_LPC_DEV, LPC_GEN2_DEC, 0xc15e1); + pci_write_config32(PCH_LPC_DEV, LPC_GEN4_DEC, 0x0c06a1); + + pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10); + + pci_write_config32(PCH_LPC_DEV, 0xac, + 0x80010000); +} + +static void rcba_config(void) +{ + /* + * GFX INTA -> PIRQA (MSI) + * D28IP_P1IP WLAN INTA -> PIRQB + * D28IP_P2IP ETH0 INTB -> PIRQF + * D28IP_P3IP SDCARD INTC -> PIRQD + * D29IP_E1P EHCI1 INTA -> PIRQD + * D26IP_E2P EHCI2 INTA -> PIRQF + * D31IP_SIP SATA INTA -> PIRQB (MSI) + * D31IP_SMIP SMBUS INTB -> PIRQH + * D31IP_TTIP THRT INTC -> PIRQA + * D27IP_ZIP HDA INTA -> PIRQA (MSI) + * + * Trackpad interrupt is edge triggered and cannot be shared. + * TRACKPAD -> PIRQG + + */ + + /* Device interrupt pin register (board specific) */ + RCBA32(D31IP) = (INTC << D31IP_TTIP) | (NOINT << D31IP_SIP2) | + (INTB << D31IP_SMIP) | (INTA << D31IP_SIP); + RCBA32(D29IP) = (INTA << D29IP_E1P); + RCBA32(D28IP) = (INTA << D28IP_P1IP) | (INTB << D28IP_P2IP) | + (INTC << 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, PIRQF, 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) */ + RCBA32(FD) = 0x1fe41fe3; + RCBA32(BUC) = 0; +} + +static void +init_usb (void) +{ + const u32 rcba_dump[64] = { + /* 3500 */ 0x20000153, 0x20000f57, 0x20000f57, 0x20000f57, + /* 3510 */ 0x20000f57, 0x20000f57, 0x20000153, 0x20000153, + /* 3520 */ 0x20000f57, 0x20000f57, 0x20000f57, 0x20000f57, + /* 3530 */ 0x20000f57, 0x20000f57, 0x00000000, 0x00000000, + /* 3540 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3550 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3560 */ 0x020c0001, 0x000024a3, 0x00040002, 0x01000050, + /* 3570 */ 0x02000772, 0x16000f9f, 0x1800ff4f, 0x0001d630, + /* 3580 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3590 */ 0x00000003, 0x000000c0, 0x00000000, 0x00000000, + /* 35a0 */ 0x0fc00201, 0x102d0200, 0x00000000, 0x00000000, + /* 35b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 35c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 35d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 35e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 35f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + }; + int i; + /* Activate PMBAR. */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE, DEFAULT_PMBASE | 1); + pci_write_config32(PCI_DEV(0, 0x1f, 0), PMBASE + 4, 0); + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x44 /* ACPI_CNTL */ , 0x80); /* Enable ACPI BAR */ + + /* Unlock registers. */ + outw (inw (DEFAULT_PMBASE | 0x003c) | 2, DEFAULT_PMBASE | 0x003c); + + for (i = 0; i < 64; i++) + write32 (DEFAULT_RCBABASE | (0x3500 + 4 * i), rcba_dump[i]); + + pcie_write_config32 (PCI_DEV (0, 0x14, 0), 0xe4, 0x00000000); + + /* Relock registers. */ + outw (0x0000, DEFAULT_PMBASE | 0x003c); +} + +#include +void main(unsigned long bist) +{ + int s3resume = 0; + u32 pm1_cnt; + u16 pm1_sts; + spd_raw_data spd[4]; + + if (MCHBAR16(SSKPD) == 0xCAFE) { + outb(0x6, 0xcf9); + hlt (); + } + + timestamp_init(get_initial_timestamp()); + timestamp_add_now(TS_START_ROMSTAGE); + + if (bist == 0) + enable_lapic(); + + pch_enable_lpc(); + + /* Enable GPIOs */ + pci_write_config32(PCH_LPC_DEV, GPIO_BASE, DEFAULT_GPIOBASE|1); + pci_write_config8(PCH_LPC_DEV, GPIO_CNTL, 0x10); + + outl(0x3963a5ff, DEFAULT_GPIOBASE); + outl(0x9ebf6aff, DEFAULT_GPIOBASE + 4); + outl(0x66ff7ffb, DEFAULT_GPIOBASE + 0xc); + outl(0x00000000, DEFAULT_GPIOBASE + 0x18); + outl(0x00002043, DEFAULT_GPIOBASE + 0x2c); + outl(0x02ff04fe, DEFAULT_GPIOBASE + 0x30); + outl(0x1f47fbf5, DEFAULT_GPIOBASE + 0x34); + outl(0xbdecff87, DEFAULT_GPIOBASE + 0x38); + outl(0x000000f0, DEFAULT_GPIOBASE + 0x40); + outl(0x00000ff0, DEFAULT_GPIOBASE + 0x44); + outl(0x00000fcf, DEFAULT_GPIOBASE + 0x48); + + init_usb(); + + /* Initialize console device(s) */ + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + /* Perform some early chipset initialization required + * before RAM initialization can work + */ + sandybridge_early_initialization(SANDYBRIDGE_MOBILE); + printk(BIOS_DEBUG, "Back from sandybridge_early_initialization()\n"); + + /* Check PM1_STS[15] to see if we are waking from Sx */ + pm1_sts = inw(DEFAULT_PMBASE + PM1_STS); + + /* Read PM1_CNT[12:10] to determine which Sx state */ + pm1_cnt = inl(DEFAULT_PMBASE + PM1_CNT); + + if ((pm1_sts & WAK_STS) && ((pm1_cnt >> 10) & 7) == 5) { + if (acpi_s3_resume_allowed()) { + printk(BIOS_DEBUG, "Resume from S3 detected.\n"); + s3resume = 1; + /* Clear SLP_TYPE. This will break stage2 but + * we care for that when we get there. + */ + outl(pm1_cnt & ~(7 << 10), DEFAULT_PMBASE + PM1_CNT); + } else { + printk(BIOS_DEBUG, "Resume from S3 detected, but disabled.\n"); + } + } + + post_code(0x38); + /* Enable SPD ROMs and DDR-III DRAM */ + enable_smbus(); + + post_code(0x39); + + post_code(0x3a); + timestamp_add_now(TS_BEFORE_INITRAM); + + memset (spd, 0, sizeof (spd)); + read_spd (&spd[0], 0x50); + read_spd (&spd[2], 0x51); + + init_dram_ddr3 (spd, 1, TCK_800MHZ, s3resume); + + timestamp_add_now(TS_AFTER_INITRAM); + post_code(0x3c); + + rcba_config(); + post_code(0x3d); + + MCHBAR16(SSKPD) = 0xCAFE; + +#if CONFIG_HAVE_ACPI_RESUME + /* If there is no high memory area, we didn't boot before, so + * this is not a resume. In that case we just create the cbmem toc. + */ + + *(u32 *)CBMEM_BOOT_MODE = 0; + *(u32 *)CBMEM_RESUME_BACKUP = 0; + + if (s3resume) { + void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME); + if (resume_backup_memory) { + *(u32 *)CBMEM_BOOT_MODE = 2; + *(u32 *)CBMEM_RESUME_BACKUP = (u32)resume_backup_memory; + } + /* Magic for S3 resume */ + pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d); + } else { + pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe); + } +#endif + post_code(0x3f); + timestamp_add_now(TS_END_ROMSTAGE); +} -- cgit v1.2.3