From 9bf05de5ab2842fc83cea8da5e9058417fc4bc24 Mon Sep 17 00:00:00 2001 From: Vladimir Serbinenko Date: Thu, 14 Nov 2013 19:11:19 +0100 Subject: lenovo/x201: Add support for Lenovo X201 (Calpella-based laptop) Was extensively tested on my X201. More info on the wiki Change-Id: I503d77749780422e446b48224ca98a1f22a2c180 Signed-off-by: Vladimir Serbinenko Reviewed-on: http://review.coreboot.org/4514 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc --- src/mainboard/lenovo/x201/romstage.c | 364 +++++++++++++++++++++++++++++++++++ 1 file changed, 364 insertions(+) create mode 100644 src/mainboard/lenovo/x201/romstage.c (limited to 'src/mainboard/lenovo/x201/romstage.c') diff --git a/src/mainboard/lenovo/x201/romstage.c b/src/mainboard/lenovo/x201/romstage.c new file mode 100644 index 0000000000..8022d7b11d --- /dev/null +++ b/src/mainboard/lenovo/x201/romstage.c @@ -0,0 +1,364 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2009 coresystems GmbH + * Copyright (C) 2011 Sven Schnelle + * Copyright (C) 2013 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 + */ + +/* __PRE_RAM__ means: use "unsigned" for device, not a struct. */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "gpio.h" +#include "dock.h" +#include "arch/early_variables.h" +#include "southbridge/intel/ibexpeak/pch.h" +#include "northbridge/intel/nehalem/nehalem.h" + +#include "northbridge/intel/nehalem/raminit.h" +#include "southbridge/intel/ibexpeak/me.h" + +static void pch_enable_lpc(void) +{ + /* X201 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_GEN3_DEC, 0x1c1681); + pci_write_config32(PCH_LPC_DEV, LPC_GEN4_DEC, (0x68 & ~3) | 0x00040001); + + pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10); + + pci_write_config32(PCH_LPC_DEV, 0xd0, 0x0); + pci_write_config32(PCH_LPC_DEV, 0xdc, 0x0); + + pci_write_config8(PCH_LPC_DEV, GEN_PMCON_3, + (pci_read_config8(PCH_LPC_DEV, GEN_PMCON_3) & ~2) | 1); + + pci_write_config32(PCH_LPC_DEV, ETR3, + pci_read_config32(PCH_LPC_DEV, ETR3) & ~ETR3_CF9GR); +} + +static void rcba_config(void) +{ + static const u32 rcba_dump3[] = { + /* 30fc */ 0x00000000, + /* 3100 */ 0x04341200, 0x00000000, 0x40043214, 0x00014321, + /* 3110 */ 0x00000002, 0x30003214, 0x00000001, 0x00000002, + /* 3120 */ 0x00000000, 0x00002321, 0x00000000, 0x00000000, + /* 3130 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3140 */ 0x00003107, 0x76543210, 0x00000010, 0x00007654, + /* 3150 */ 0x00000004, 0x00000000, 0x00000000, 0x00003210, + /* 3160 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3170 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3180 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3190 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 31f0 */ 0x00000000, 0x00000000, 0x00000000, 0x03000000, + /* 3200 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3210 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3220 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3230 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3240 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3250 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3260 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3270 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3280 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3290 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 32f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3300 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3310 */ 0x02060100, 0x0000000f, 0x01020000, 0x80000000, + /* 3320 */ 0x00000000, 0x04000000, 0x00000000, 0x00000000, + /* 3330 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3340 */ 0x000fffff, 0x00000000, 0x00000000, 0x00000000, + /* 3350 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3360 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3370 */ 0x00000000, 0x00000000, 0x7f8fdfff, 0x00000000, + /* 3380 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3390 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 33a0 */ 0x00003900, 0x00000000, 0x00000000, 0x00000000, + /* 33b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 33c0 */ 0x00010000, 0x00000000, 0x00000000, 0x0001004b, + /* 33d0 */ 0x06000008, 0x00010000, 0x00000000, 0x00000000, + /* 33e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 33f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3400 */ 0x0000001c, 0x00000080, 0x00000000, 0x00000000, + /* 3410 */ 0x00000c61, 0x00000000, 0x16e61fe1, 0xbf4f001f, + /* 3420 */ 0x00000000, 0x00060010, 0x0000001d, 0x00000000, + /* 3430 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3440 */ 0xdeaddeed, 0x00000000, 0x00000000, 0x00000000, + /* 3450 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3460 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3470 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3480 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3490 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34b0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34c0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 34f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3500 */ 0x20000557, 0x2000055f, 0x2000074b, 0x2000074b, + /* 3510 */ 0x20000557, 0x2000014b, 0x2000074b, 0x2000074b, + /* 3520 */ 0x2000074b, 0x2000074b, 0x2000055f, 0x2000055f, + /* 3530 */ 0x20000557, 0x2000055f, 0x00000000, 0x00000000, + /* 3540 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3550 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3560 */ 0x00000001, 0x000026a3, 0x00040002, 0x01000052, + /* 3570 */ 0x02000772, 0x16000f8f, 0x1800ff4f, 0x0001d630, + /* 3580 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3590 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 35a0 */ 0xfc000201, 0x3c000201, 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, + /* 3600 */ 0x0a001f00, 0x00000000, 0x00000000, 0x00000001, + /* 3610 */ 0x00010000, 0x00000000, 0x00000000, 0x00000000, + /* 3600 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3610 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3620 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3630 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3640 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3650 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3660 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3670 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3680 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3690 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 36a0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 36b0 */ 0x00000000, 0x089c0018, 0x00000000, 0x00000000, + /* 36c0 */ 0x11111111, 0x00000000, 0x00000000, 0x00000000, + /* 36d0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 36e0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 36f0 */ 0x00000000, 0x00000000, 0x00000000, 0x00000000, + /* 3710 */ 0x00000000, 0x4e564d49, 0x00000000, 0x00000000, + }; + unsigned i; + for (i = 0; i < sizeof(rcba_dump3) / 4; i++) { + RCBA32(4 * i + 0x30fc) = rcba_dump3[i]; + (void)RCBA32(4 * i + 0x30fc); + } +} + +static void setup_smbus_5c(void) +{ + u16 t3; + + /* We have a muxed bus, hence all the GPIO accesses. */ + if (MCHBAR8(0x2ca8) == 0) { + t3 = inw(DEFAULT_GPIOBASE | 0x38); + outw(t3 & ~0x400, DEFAULT_GPIOBASE | 0x38); + smbus_read_byte(0x5c, 0x06); + smbus_write_byte(0x5c, 0x06, 0x8f); + + smbus_read_byte(0x5c, 0x07); + smbus_write_byte(0x5c, 0x07, 0x8f); + + outw(t3 | 0x400, DEFAULT_GPIOBASE | 0x38); + } + + t3 = inw(DEFAULT_GPIOBASE | 0x38); + outw(t3 & ~0x400, DEFAULT_GPIOBASE | 0x38); + + smbus_read_byte(0x57, 0x55); + outw(t3 | 0x400, DEFAULT_GPIOBASE | 0x38); +} + +static inline void write_acpi32(u32 addr, u32 val) +{ + outl(val, DEFAULT_PMBASE | addr); +} + +static inline void write_acpi16(u32 addr, u16 val) +{ + outw(val, DEFAULT_PMBASE | addr); +} + +static inline u32 read_acpi32(u32 addr) +{ + return inl(DEFAULT_PMBASE | addr); +} + +static inline u16 read_acpi16(u32 addr) +{ + return inw(DEFAULT_PMBASE | addr); +} + +void main(unsigned long bist) +{ + u32 reg32; + int s3resume = 0; + + timestamp_init(rdtsc ()); + + timestamp_add_now(TS_START_ROMSTAGE); + + if (bist == 0) + enable_lapic(); + + /* Force PCIRST# */ + pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, SBR); + pci_write_config16(PCI_DEV(0, 0, 0), BCTRL, SBR); + udelay(200 * 1000); + pci_write_config16(PCI_DEV(0, 0x1e, 0), BCTRL, 0); + pci_write_config16(PCI_DEV(0, 0, 0), BCTRL, 0); + + /* Enable USB Power. We need to do it early for usbdebug to work. */ + ec_set_bit(0x3b, 4); + + 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); + + setup_pch_gpios(&x201_gpio_map); + + nehalem_early_initialization(NEHALEM_MOBILE); + + /* This should probably go away. Until now it is required + * and mainboard specific + */ + rcba_config(); + + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + /* Read PM1_CNT */ + reg32 = inl(DEFAULT_PMBASE + 0x04); + printk(BIOS_DEBUG, "PM1_CNT: %08x\n", reg32); + if (((reg32 >> 10) & 7) == 5) { + u8 reg8; + reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa2); + printk(BIOS_DEBUG, "a2: %02x\n", reg8); + if (!(reg8 & 0x20)) { + outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); + printk(BIOS_DEBUG, "Bad resume from S3 detected.\n"); + } else { +#if CONFIG_HAVE_ACPI_RESUME + printk(BIOS_DEBUG, "Resume from S3 detected.\n"); + s3resume = 1; +#else + printk(BIOS_DEBUG, + "Resume from S3 detected, but disabled.\n"); +#endif + } + } + + /* Enable SMBUS. */ + enable_smbus(); + + setup_smbus_5c(); + + outb((inb(DEFAULT_GPIOBASE | 0x3a) & ~0x2) | 0x20, + DEFAULT_GPIOBASE | 0x3a); + outb(0x50, 0x15ec); + outb(inb(0x15ee) & 0x70, 0x15ee); + + write_acpi16(0x2, 0x0); + write_acpi32(0x28, 0x0); + write_acpi32(0x2c, 0x0); + if (!s3resume) { + read_acpi32(0x4); + read_acpi32(0x20); + read_acpi32(0x34); + write_acpi16(0x0, 0x900); + write_acpi32(0x20, 0xffff7ffe); + write_acpi32(0x34, 0x56974); + pci_write_config8(PCH_LPC_DEV, GEN_PMCON_3, + pci_read_config8(PCH_LPC_DEV, GEN_PMCON_3) | 2); + } + + timestamp_add_now(TS_BEFORE_INITRAM); + + raminit(s3resume); + + timestamp_add_now(TS_AFTER_INITRAM); + + intel_early_me_status(); + + if (s3resume) { + /* Clear SLP_TYPE. This will break stage2 but + * we care for that when we get there. + */ + reg32 = inl(DEFAULT_PMBASE + 0x04); + outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); + } +#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. + */ + if (s3resume && cbmem_reinit()) { + void *resume_backup_memory = cbmem_find(CBMEM_ID_RESUME); + + /* copy 1MB - 64K to high tables ram_base to prevent memory corruption + * through stage 2. We could keep stuff like stack and heap in high tables + * memory completely, but that's a wonderful clean up task for another + * day. + */ + if (resume_backup_memory) + memcpy(resume_backup_memory, (void *)CONFIG_RAMBASE, + HIGH_MEMORY_SAVE); + + /* Magic for S3 resume */ + pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d); + } else if (s3resume) { + printk(BIOS_ERR, "Failed S3 resume.\n"); + ram_check(0x100000, 0x200000); + + /* Failed S3 resume, reset to come up cleanly */ + outb(0xe, 0xcf9); + hlt(); + } else { + pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafebabe); + quick_ram_check(); + } +#endif + + timestamp_add_now(TS_END_ROMSTAGE); +} -- cgit v1.2.3