diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/intel/sandybridge/Makefile.inc | 2 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/raminit_native.h | 3 | ||||
| -rw-r--r-- | src/northbridge/intel/sandybridge/romstage_native.c | 101 |
3 files changed, 106 insertions, 0 deletions
diff --git a/src/northbridge/intel/sandybridge/Makefile.inc b/src/northbridge/intel/sandybridge/Makefile.inc index 09d6614eb1..0469f0de43 100644 --- a/src/northbridge/intel/sandybridge/Makefile.inc +++ b/src/northbridge/intel/sandybridge/Makefile.inc @@ -30,8 +30,10 @@ romstage-y += ram_calc.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE) += raminit.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE) += raminit.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_NATIVE) += raminit_native.c +romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_NATIVE) += romstage_native.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_IVYBRIDGE_NATIVE) += ../../../device/dram/ddr3.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_NATIVE) += raminit_native.c +romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_NATIVE) += romstage_native.c romstage-$(CONFIG_NORTHBRIDGE_INTEL_SANDYBRIDGE_NATIVE) += ../../../device/dram/ddr3.c romstage-y += mrccache.c romstage-y += early_init.c diff --git a/src/northbridge/intel/sandybridge/raminit_native.h b/src/northbridge/intel/sandybridge/raminit_native.h index 7ed75ff5e7..e1003ad136 100644 --- a/src/northbridge/intel/sandybridge/raminit_native.h +++ b/src/northbridge/intel/sandybridge/raminit_native.h @@ -25,5 +25,8 @@ /* The order is ch0dimmA, ch0dimmB, ch1dimmA, ch1dimmB. */ void init_dram_ddr3(spd_raw_data *spds, int mobile, int min_tck, int s3resume); void read_spd(spd_raw_data *spd, u8 addr); +void mainboard_get_spd(spd_raw_data *spd); +void rcba_config(void); +void pch_enable_lpc(void); #endif /* RAMINIT_H */ diff --git a/src/northbridge/intel/sandybridge/romstage_native.c b/src/northbridge/intel/sandybridge/romstage_native.c new file mode 100644 index 0000000000..67c64d7898 --- /dev/null +++ b/src/northbridge/intel/sandybridge/romstage_native.c @@ -0,0 +1,101 @@ +/* + * 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 <stdint.h> +#include <string.h> +#include <console/console.h> +#include <arch/io.h> +#include <lib.h> +#include <cpu/x86/lapic.h> +#include <timestamp.h> +#include "sandybridge.h" +#include <cpu/x86/bist.h> +#include <cpu/intel/romstage.h> +#include "raminit_native.h" +#include "southbridge/intel/bd82x6x/pch.h" +#include "southbridge/intel/bd82x6x/gpio.h" + +void main(unsigned long bist) +{ + int s3resume = 0; + 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); + + setup_pch_gpios(&mainboard_gpio_map); + + early_usb_init(mainboard_usb_ports); + + /* 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"); + + s3resume = southbridge_detect_s3_resume(); + + post_code(0x38); + /* Enable SPD ROMs and DDR-III DRAM */ + enable_smbus(); + + post_code(0x39); + + post_code(0x3a); + + memset (spd, 0, sizeof (spd)); + mainboard_get_spd(spd); + + timestamp_add_now(TS_BEFORE_INITRAM); + + init_dram_ddr3(spd, 1, TCK_800MHZ, s3resume); + + timestamp_add_now(TS_AFTER_INITRAM); + post_code(0x3c); + + rcba_config(); + post_code(0x3d); + + northbridge_romstage_finalize(s3resume); + + post_code(0x3f); + timestamp_add_now(TS_END_ROMSTAGE); +} |