From 38f147ed3d9fdd6bfb23d7226f6fdd3fc5db53d0 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Mon, 8 Feb 2010 12:20:50 +0000 Subject: janitor task: unify and cleanup naming. cache_as_ram_auto.c and auto.c are both called "romstage.c" now. Signed-off-by: Stefan Reinauer Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5092 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/mainboard/intel/d945gclf/Makefile.inc | 6 +- src/mainboard/intel/d945gclf/auto.c | 349 ------------------------------ src/mainboard/intel/d945gclf/romstage.c | 349 ++++++++++++++++++++++++++++++ 3 files changed, 352 insertions(+), 352 deletions(-) delete mode 100644 src/mainboard/intel/d945gclf/auto.c create mode 100644 src/mainboard/intel/d945gclf/romstage.c (limited to 'src/mainboard/intel/d945gclf') diff --git a/src/mainboard/intel/d945gclf/Makefile.inc b/src/mainboard/intel/d945gclf/Makefile.inc index 83e8f5cb43..944aa3d5f4 100644 --- a/src/mainboard/intel/d945gclf/Makefile.inc +++ b/src/mainboard/intel/d945gclf/Makefile.inc @@ -41,7 +41,7 @@ crt0s += $(src)/cpu/x86/32bit/entry32.inc crt0s += $(src)/cpu/x86/16bit/reset16.inc crt0s += $(src)/arch/i386/lib/id.inc crt0s += $(src)/cpu/intel/model_6ex/cache_as_ram.inc -crt0s += $(obj)/mainboard/$(MAINBOARDDIR)/auto.inc +crt0s += $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc ldscripts := $(src)/arch/i386/init/ldscript_fallback_cbfs.lb ldscripts += $(src)/cpu/x86/16bit/entry16.lds @@ -59,8 +59,8 @@ $(obj)/dsdt.c: $(src)/mainboard/$(MAINBOARDDIR)/dsdt.asl $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.o: $(obj)/dsdt.c $(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(src) -I. -c $< -o $@ -$(obj)/mainboard/$(MAINBOARDDIR)/auto.inc: $(src)/mainboard/$(MAINBOARDDIR)/auto.c $(obj)/option_table.h - $(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(src) -I. -c -S $(src)/mainboard/$(MAINBOARDDIR)/auto.c -o $@ +$(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc: $(src)/mainboard/$(MAINBOARDDIR)/romstage.c $(obj)/option_table.h + $(CC) $(DISTRO_CFLAGS) $(CFLAGS) $(CPPFLAGS) $(DEBUG_CFLAGS) -I$(src) -I. -c -S $(src)/mainboard/$(MAINBOARDDIR)/romstage.c -o $@ perl -e 's/\.rodata/.rom.data/g' -pi $@ perl -e 's/\.text/.section .rom.text/g' -pi $@ diff --git a/src/mainboard/intel/d945gclf/auto.c b/src/mainboard/intel/d945gclf/auto.c deleted file mode 100644 index 8d1dc16815..0000000000 --- a/src/mainboard/intel/d945gclf/auto.c +++ /dev/null @@ -1,349 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2007-2008 coresystems GmbH - * - * 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. -#define __PRE_RAM__ - -/* Configuration of the i945 driver */ -#define CHIPSET_I945GC 1 -#define CHANNEL_XOR_RANDOMIZATION 1 - -#include -#include -#include -#include -#include -#include -#include - -#include "superio/smsc/lpc47m15x/lpc47m15x.h" - -#include "option_table.h" -#include "pc80/mc146818rtc_early.c" - -#include "pc80/serial.c" -#include "arch/i386/lib/console.c" -#include - -#if CONFIG_USBDEBUG_DIRECT -#define DBGP_DEFAULT 1 -#include "southbridge/intel/i82801gx/i82801gx_usb_debug.c" -#include "pc80/usbdebug_direct_serial.c" -#endif - -#include "lib/ramtest.c" -#include "southbridge/intel/i82801gx/i82801gx_early_smbus.c" -#include "superio/smsc/lpc47m15x/lpc47m15x_early_serial.c" - -#include "northbridge/intel/i945/udelay.c" - -#define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1) - -#include "southbridge/intel/i82801gx/i82801gx.h" -static void setup_ich7_gpios(void) -{ - /* TODO: This is highly board specific and should be moved */ - printk_debug(" GPIOS..."); - /* General Registers */ - outl(0x3f3df7c1, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */ - outl(0xc6fcbfc3, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */ - outl(0xecfefdff, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */ - /* Output Control Registers */ - outl(0x00040000, DEFAULT_GPIOBASE + 0x18); /* GPO_BLINK */ - /* Input Control Registers */ - outl(0x0000a000, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */ - outl(0x000000ff, DEFAULT_GPIOBASE + 0x30); /* GPIO_USE_SEL2 */ - outl(0x000000bf, DEFAULT_GPIOBASE + 0x34); /* GP_IO_SEL2 */ - outl(0x000300fd, DEFAULT_GPIOBASE + 0x38); /* GP_LVL */ -} - -#include "northbridge/intel/i945/early_init.c" - -static inline int spd_read_byte(unsigned device, unsigned address) -{ - return smbus_read_byte(device, address); -} - -#include "northbridge/intel/i945/raminit.h" -#include "northbridge/intel/i945/raminit.c" -#include "northbridge/intel/i945/reset_test.c" -#include "northbridge/intel/i945/errata.c" -#include "northbridge/intel/i945/debug.c" - -static void ich7_enable_lpc(void) -{ - // Enable Serial IRQ - pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0); - // Set COM1/COM2 decode range - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0010); - // Enable COM1 - pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x140d); - // Enable SuperIO Power Management Events - pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x007c0681); -} - - -/* This box has two superios, so enabling serial becomes slightly excessive. - * We disable a lot of stuff to make sure that there are no conflicts between - * the two. Also set up the GPIOs from the beginning. This is the "no schematic - * but safe anyways" method. - */ -static void early_superio_config_lpc47m15x(void) -{ - device_t dev; - - dev=PNP_DEV(0x2e, LPC47M15X_SP1); - pnp_enter_conf_state(dev); - - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, 0x3f8); - pnp_set_irq(dev, PNP_IDX_IRQ0, 4); - pnp_set_enable(dev, 1); - - /* Enable SuperIO PM */ - dev=PNP_DEV(0x2e, LPC47M15X_PME); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 0); - pnp_set_iobase(dev, PNP_IDX_IO0, 0x680); - pnp_set_enable(dev, 1); - - pnp_exit_conf_state(dev); -} - -static void rcba_config(void) -{ - /* Set up virtual channel 0 */ - //RCBA32(0x0014) = 0x80000001; - //RCBA32(0x001c) = 0x03128010; - - /* Device 1f interrupt pin register */ - RCBA32(0x3100) = 0x00042210; - /* Device 1d interrupt pin register */ - RCBA32(0x310c) = 0x00214321; - - /* dev irq route register */ - RCBA16(0x3140) = 0x0132; - RCBA16(0x3142) = 0x0146; - RCBA16(0x3144) = 0x0237; - RCBA16(0x3146) = 0x3201; - RCBA16(0x3148) = 0x0146; - - /* Enable IOAPIC */ - RCBA8(0x31ff) = 0x03; - - /* Enable upper 128bytes of CMOS */ - RCBA32(0x3400) = (1 << 2); - - /* Disable unused devices */ - //RCBA32(0x3418) = FD_PCIE6|FD_PCIE5|FD_PCIE4|FD_ACMOD|FD_ACAUD|FD_PATA; - // RCBA32(0x3418) |= (1 << 0); // Required. - // FIXME look me up! - RCBA32(0x3418) = 0x003204e1; - - /* Enable PCIe Root Port Clock Gate */ - // RCBA32(0x341c) = 0x00000001; -} - -static void early_ich7_init(void) -{ - uint8_t reg8; - uint32_t reg32; - - // program secondary mlt XXX byte? - pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20); - - // reset rtc power status - reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4); - reg8 &= ~(1 << 2); - pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8); - - // usb transient disconnect - reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xad); - reg8 |= (3 << 0); - pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xad, reg8); - - reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xfc); - reg32 |= (1 << 29) | (1 << 17); - pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xfc, reg32); - - reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xdc); - reg32 |= (1 << 31) | (1 << 27); - pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xdc, reg32); - - RCBA32(0x0088) = 0x0011d000; - RCBA16(0x01fc) = 0x060f; - RCBA32(0x01f4) = 0x86000040; - RCBA32(0x0214) = 0x10030549; - RCBA32(0x0218) = 0x00020504; - RCBA8(0x0220) = 0xc5; - reg32 = RCBA32(0x3410); - reg32 |= (1 << 6); - RCBA32(0x3410) = reg32; - reg32 = RCBA32(0x3430); - reg32 &= ~(3 << 0); - reg32 |= (1 << 0); - RCBA32(0x3430) = reg32; - RCBA32(0x3418) |= (1 << 0); - RCBA16(0x0200) = 0x2008; - RCBA8(0x2027) = 0x0d; - RCBA16(0x3e08) |= (1 << 7); - RCBA16(0x3e48) |= (1 << 7); - RCBA32(0x3e0e) |= (1 << 7); - RCBA32(0x3e4e) |= (1 << 7); - - // next step only on ich7m b0 and later: - reg32 = RCBA32(0x2034); - reg32 &= ~(0x0f << 16); - reg32 |= (5 << 16); - RCBA32(0x2034) = reg32; -} - -#if CONFIG_USE_FALLBACK_IMAGE == 1 -#include "southbridge/intel/i82801gx/cmos_failover.c" -#endif - -#include - -// Now, this needs to be included because it relies on the symbol -// __PRE_RAM__ being set during CAR stage (in order to compile the -// BSS free versions of the functions). Either rewrite the code -// to be always BSS free, or invent a flag that's better suited than -// __PRE_RAM__ to determine whether we're in ram init stage (stage 1) -// -#include "lib/cbmem.c" - -void real_main(unsigned long bist) -{ - u32 reg32; - int boot_mode = 0; - - if (bist == 0) { - enable_lapic(); - } - - ich7_enable_lpc(); - early_superio_config_lpc47m15x(); - - /* Set up the console */ - uart_init(); - -#if CONFIG_USBDEBUG_DIRECT - i82801gx_enable_usbdebug_direct(DBGP_DEFAULT); - early_usbdebug_direct_init(); -#endif - - console_init(); - - /* Halt if there was a built in self test failure */ - report_bist_failure(bist); - - if (MCHBAR16(SSKPD) == 0xCAFE) { - printk_debug("soft reset detected.\n"); - boot_mode = 1; - } - - /* Perform some early chipset initialization required - * before RAM initialization can work - */ - i945_early_initialization(); - - /* Read PM1_CNT */ - reg32 = inl(DEFAULT_PMBASE + 0x04); - printk_debug("PM1_CNT: %08x\n", reg32); - if (((reg32 >> 10) & 7) == 5) { -#if CONFIG_HAVE_ACPI_RESUME - printk_debug("Resume from S3 detected.\n"); - boot_mode = 2; - /* Clear SLP_TYPE. This will break stage2 but - * we care for that when we get there. - */ - outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); -#else - printk_debug("Resume from S3 detected, but disabled.\n"); -#endif - } - - /* Enable SPD ROMs and DDR-II DRAM */ - enable_smbus(); - -#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8 - dump_spd_registers(); -#endif - - sdram_initialize(boot_mode); - - /* Perform some initialization that must run before stage2 */ - early_ich7_init(); - - /* This should probably go away. Until now it is required - * and mainboard specific - */ - rcba_config(); - - /* Chipset Errata! */ - fixup_i945_errata(); - - /* Initialize the internal PCIe links before we go into stage2 */ - i945_late_initialization(); - -#if !CONFIG_HAVE_ACPI_RESUME -#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8 -#if defined(DEBUG_RAM_SETUP) - sdram_dump_mchbar_registers(); -#endif - - { - /* This will not work if TSEG is in place! */ - u32 tom = pci_read_config32(PCI_DEV(0,2,0), 0x5c); - - printk_debug("TOM: 0x%08x\n", tom); - ram_check(0x00000000, 0x000a0000); - //ram_check(0x00100000, tom); - } -#endif -#endif - - MCHBAR16(SSKPD) = 0xCAFE; - -#if CONFIG_HAVE_ACPI_RESUME - /* Start address of high memory tables */ - unsigned long high_ram_base = get_top_of_ram() - HIGH_MEMORY_SIZE; - - /* 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 ((boot_mode == 2) && cbmem_reinit((u64)high_ram_base)) { - 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, CONFIG_RAMBASE, HIGH_MEMORY_SAVE); - - /* Magic for S3 resume */ - pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d); - } -#endif -} - -#include "cpu/intel/model_106cx/cache_as_ram_disable.c" diff --git a/src/mainboard/intel/d945gclf/romstage.c b/src/mainboard/intel/d945gclf/romstage.c new file mode 100644 index 0000000000..8d1dc16815 --- /dev/null +++ b/src/mainboard/intel/d945gclf/romstage.c @@ -0,0 +1,349 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2007-2008 coresystems GmbH + * + * 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. +#define __PRE_RAM__ + +/* Configuration of the i945 driver */ +#define CHIPSET_I945GC 1 +#define CHANNEL_XOR_RANDOMIZATION 1 + +#include +#include +#include +#include +#include +#include +#include + +#include "superio/smsc/lpc47m15x/lpc47m15x.h" + +#include "option_table.h" +#include "pc80/mc146818rtc_early.c" + +#include "pc80/serial.c" +#include "arch/i386/lib/console.c" +#include + +#if CONFIG_USBDEBUG_DIRECT +#define DBGP_DEFAULT 1 +#include "southbridge/intel/i82801gx/i82801gx_usb_debug.c" +#include "pc80/usbdebug_direct_serial.c" +#endif + +#include "lib/ramtest.c" +#include "southbridge/intel/i82801gx/i82801gx_early_smbus.c" +#include "superio/smsc/lpc47m15x/lpc47m15x_early_serial.c" + +#include "northbridge/intel/i945/udelay.c" + +#define SERIAL_DEV PNP_DEV(0x2e, W83627THG_SP1) + +#include "southbridge/intel/i82801gx/i82801gx.h" +static void setup_ich7_gpios(void) +{ + /* TODO: This is highly board specific and should be moved */ + printk_debug(" GPIOS..."); + /* General Registers */ + outl(0x3f3df7c1, DEFAULT_GPIOBASE + 0x00); /* GPIO_USE_SEL */ + outl(0xc6fcbfc3, DEFAULT_GPIOBASE + 0x04); /* GP_IO_SEL */ + outl(0xecfefdff, DEFAULT_GPIOBASE + 0x0c); /* GP_LVL */ + /* Output Control Registers */ + outl(0x00040000, DEFAULT_GPIOBASE + 0x18); /* GPO_BLINK */ + /* Input Control Registers */ + outl(0x0000a000, DEFAULT_GPIOBASE + 0x2c); /* GPI_INV */ + outl(0x000000ff, DEFAULT_GPIOBASE + 0x30); /* GPIO_USE_SEL2 */ + outl(0x000000bf, DEFAULT_GPIOBASE + 0x34); /* GP_IO_SEL2 */ + outl(0x000300fd, DEFAULT_GPIOBASE + 0x38); /* GP_LVL */ +} + +#include "northbridge/intel/i945/early_init.c" + +static inline int spd_read_byte(unsigned device, unsigned address) +{ + return smbus_read_byte(device, address); +} + +#include "northbridge/intel/i945/raminit.h" +#include "northbridge/intel/i945/raminit.c" +#include "northbridge/intel/i945/reset_test.c" +#include "northbridge/intel/i945/errata.c" +#include "northbridge/intel/i945/debug.c" + +static void ich7_enable_lpc(void) +{ + // Enable Serial IRQ + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0x64, 0xd0); + // Set COM1/COM2 decode range + pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x80, 0x0010); + // Enable COM1 + pci_write_config16(PCI_DEV(0, 0x1f, 0), 0x82, 0x140d); + // Enable SuperIO Power Management Events + pci_write_config32(PCI_DEV(0, 0x1f, 0), 0x84, 0x007c0681); +} + + +/* This box has two superios, so enabling serial becomes slightly excessive. + * We disable a lot of stuff to make sure that there are no conflicts between + * the two. Also set up the GPIOs from the beginning. This is the "no schematic + * but safe anyways" method. + */ +static void early_superio_config_lpc47m15x(void) +{ + device_t dev; + + dev=PNP_DEV(0x2e, LPC47M15X_SP1); + pnp_enter_conf_state(dev); + + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, 0x3f8); + pnp_set_irq(dev, PNP_IDX_IRQ0, 4); + pnp_set_enable(dev, 1); + + /* Enable SuperIO PM */ + dev=PNP_DEV(0x2e, LPC47M15X_PME); + pnp_set_logical_device(dev); + pnp_set_enable(dev, 0); + pnp_set_iobase(dev, PNP_IDX_IO0, 0x680); + pnp_set_enable(dev, 1); + + pnp_exit_conf_state(dev); +} + +static void rcba_config(void) +{ + /* Set up virtual channel 0 */ + //RCBA32(0x0014) = 0x80000001; + //RCBA32(0x001c) = 0x03128010; + + /* Device 1f interrupt pin register */ + RCBA32(0x3100) = 0x00042210; + /* Device 1d interrupt pin register */ + RCBA32(0x310c) = 0x00214321; + + /* dev irq route register */ + RCBA16(0x3140) = 0x0132; + RCBA16(0x3142) = 0x0146; + RCBA16(0x3144) = 0x0237; + RCBA16(0x3146) = 0x3201; + RCBA16(0x3148) = 0x0146; + + /* Enable IOAPIC */ + RCBA8(0x31ff) = 0x03; + + /* Enable upper 128bytes of CMOS */ + RCBA32(0x3400) = (1 << 2); + + /* Disable unused devices */ + //RCBA32(0x3418) = FD_PCIE6|FD_PCIE5|FD_PCIE4|FD_ACMOD|FD_ACAUD|FD_PATA; + // RCBA32(0x3418) |= (1 << 0); // Required. + // FIXME look me up! + RCBA32(0x3418) = 0x003204e1; + + /* Enable PCIe Root Port Clock Gate */ + // RCBA32(0x341c) = 0x00000001; +} + +static void early_ich7_init(void) +{ + uint8_t reg8; + uint32_t reg32; + + // program secondary mlt XXX byte? + pci_write_config8(PCI_DEV(0, 0x1e, 0), 0x1b, 0x20); + + // reset rtc power status + reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xa4); + reg8 &= ~(1 << 2); + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xa4, reg8); + + // usb transient disconnect + reg8 = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xad); + reg8 |= (3 << 0); + pci_write_config8(PCI_DEV(0, 0x1f, 0), 0xad, reg8); + + reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xfc); + reg32 |= (1 << 29) | (1 << 17); + pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xfc, reg32); + + reg32 = pci_read_config32(PCI_DEV(0, 0x1d, 7), 0xdc); + reg32 |= (1 << 31) | (1 << 27); + pci_write_config32(PCI_DEV(0, 0x1d, 7), 0xdc, reg32); + + RCBA32(0x0088) = 0x0011d000; + RCBA16(0x01fc) = 0x060f; + RCBA32(0x01f4) = 0x86000040; + RCBA32(0x0214) = 0x10030549; + RCBA32(0x0218) = 0x00020504; + RCBA8(0x0220) = 0xc5; + reg32 = RCBA32(0x3410); + reg32 |= (1 << 6); + RCBA32(0x3410) = reg32; + reg32 = RCBA32(0x3430); + reg32 &= ~(3 << 0); + reg32 |= (1 << 0); + RCBA32(0x3430) = reg32; + RCBA32(0x3418) |= (1 << 0); + RCBA16(0x0200) = 0x2008; + RCBA8(0x2027) = 0x0d; + RCBA16(0x3e08) |= (1 << 7); + RCBA16(0x3e48) |= (1 << 7); + RCBA32(0x3e0e) |= (1 << 7); + RCBA32(0x3e4e) |= (1 << 7); + + // next step only on ich7m b0 and later: + reg32 = RCBA32(0x2034); + reg32 &= ~(0x0f << 16); + reg32 |= (5 << 16); + RCBA32(0x2034) = reg32; +} + +#if CONFIG_USE_FALLBACK_IMAGE == 1 +#include "southbridge/intel/i82801gx/cmos_failover.c" +#endif + +#include + +// Now, this needs to be included because it relies on the symbol +// __PRE_RAM__ being set during CAR stage (in order to compile the +// BSS free versions of the functions). Either rewrite the code +// to be always BSS free, or invent a flag that's better suited than +// __PRE_RAM__ to determine whether we're in ram init stage (stage 1) +// +#include "lib/cbmem.c" + +void real_main(unsigned long bist) +{ + u32 reg32; + int boot_mode = 0; + + if (bist == 0) { + enable_lapic(); + } + + ich7_enable_lpc(); + early_superio_config_lpc47m15x(); + + /* Set up the console */ + uart_init(); + +#if CONFIG_USBDEBUG_DIRECT + i82801gx_enable_usbdebug_direct(DBGP_DEFAULT); + early_usbdebug_direct_init(); +#endif + + console_init(); + + /* Halt if there was a built in self test failure */ + report_bist_failure(bist); + + if (MCHBAR16(SSKPD) == 0xCAFE) { + printk_debug("soft reset detected.\n"); + boot_mode = 1; + } + + /* Perform some early chipset initialization required + * before RAM initialization can work + */ + i945_early_initialization(); + + /* Read PM1_CNT */ + reg32 = inl(DEFAULT_PMBASE + 0x04); + printk_debug("PM1_CNT: %08x\n", reg32); + if (((reg32 >> 10) & 7) == 5) { +#if CONFIG_HAVE_ACPI_RESUME + printk_debug("Resume from S3 detected.\n"); + boot_mode = 2; + /* Clear SLP_TYPE. This will break stage2 but + * we care for that when we get there. + */ + outl(reg32 & ~(7 << 10), DEFAULT_PMBASE + 0x04); +#else + printk_debug("Resume from S3 detected, but disabled.\n"); +#endif + } + + /* Enable SPD ROMs and DDR-II DRAM */ + enable_smbus(); + +#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8 + dump_spd_registers(); +#endif + + sdram_initialize(boot_mode); + + /* Perform some initialization that must run before stage2 */ + early_ich7_init(); + + /* This should probably go away. Until now it is required + * and mainboard specific + */ + rcba_config(); + + /* Chipset Errata! */ + fixup_i945_errata(); + + /* Initialize the internal PCIe links before we go into stage2 */ + i945_late_initialization(); + +#if !CONFIG_HAVE_ACPI_RESUME +#if CONFIG_DEFAULT_CONSOLE_LOGLEVEL > 8 +#if defined(DEBUG_RAM_SETUP) + sdram_dump_mchbar_registers(); +#endif + + { + /* This will not work if TSEG is in place! */ + u32 tom = pci_read_config32(PCI_DEV(0,2,0), 0x5c); + + printk_debug("TOM: 0x%08x\n", tom); + ram_check(0x00000000, 0x000a0000); + //ram_check(0x00100000, tom); + } +#endif +#endif + + MCHBAR16(SSKPD) = 0xCAFE; + +#if CONFIG_HAVE_ACPI_RESUME + /* Start address of high memory tables */ + unsigned long high_ram_base = get_top_of_ram() - HIGH_MEMORY_SIZE; + + /* 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 ((boot_mode == 2) && cbmem_reinit((u64)high_ram_base)) { + 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, CONFIG_RAMBASE, HIGH_MEMORY_SAVE); + + /* Magic for S3 resume */ + pci_write_config32(PCI_DEV(0, 0x00, 0), SKPAD, 0xcafed00d); + } +#endif +} + +#include "cpu/intel/model_106cx/cache_as_ram_disable.c" -- cgit v1.2.3