25fe2d04d5
When CONFIG_EARLY_CBMEM_INIT is selected romstage is supposed to have initialized cbmem. Therefore provide a weak function for the chipset to implement named cbmem_get_table_location(). When CONFIG_EARLY_CBMEM_INIT is selected cbmem_get_table_location() will be called to get the cbmem location and size. After that cbmem_initialize() is called. Change-Id: Idc45a95f9d4b1d83eb3c6d4977f7a8c80c1ffe76 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2797 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
158 lines
4.1 KiB
C
158 lines
4.1 KiB
C
/*
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This software and ancillary information (herein called SOFTWARE )
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called LinuxBIOS is made available under the terms described
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here. The SOFTWARE has been approved for release with associated
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LA-CC Number 00-34 . Unless otherwise indicated, this SOFTWARE has
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been authored by an employee or employees of the University of
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California, operator of the Los Alamos National Laboratory under
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Contract No. W-7405-ENG-36 with the U.S. Department of Energy. The
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U.S. Government has rights to use, reproduce, and distribute this
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SOFTWARE. The public may copy, distribute, prepare derivative works
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and publicly display this SOFTWARE without charge, provided that this
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Notice and any statement of authorship are reproduced on all copies.
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Neither the Government nor the University makes any warranty, express
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or implied, or assumes any liability or responsibility for the use of
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this SOFTWARE. If SOFTWARE is modified to produce derivative works,
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such modified SOFTWARE should be clearly marked, so as not to confuse
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it with the version available from LANL.
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*/
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/* Copyright 2000, Ron Minnich, Advanced Computing Lab, LANL
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* rminnich@lanl.gov
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*/
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/*
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* C Bootstrap code for the coreboot
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*/
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#include <console/console.h>
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#include <version.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <delay.h>
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#include <stdlib.h>
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#include <reset.h>
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#include <boot/tables.h>
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#include <boot/elf.h>
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#include <cbfs.h>
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#include <lib.h>
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#if CONFIG_HAVE_ACPI_RESUME
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#include <arch/acpi.h>
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#endif
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#include <cbmem.h>
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#include <coverage.h>
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#include <timestamp.h>
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/**
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* @brief Main function of the RAM part of coreboot.
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*
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* Coreboot is divided into Pre-RAM part and RAM part.
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*
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* Device Enumeration:
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* In the dev_enumerate() phase,
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*/
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void hardwaremain(int boot_complete);
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void hardwaremain(int boot_complete)
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{
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struct lb_memory *lb_mem;
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void *payload;
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timestamp_stash(TS_START_RAMSTAGE);
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post_code(POST_ENTRY_RAMSTAGE);
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#if CONFIG_COVERAGE
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coverage_init();
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#endif
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/* console_init() MUST PRECEDE ALL printk()! */
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console_init();
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post_code(POST_CONSOLE_READY);
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printk(BIOS_NOTICE, "coreboot-%s%s %s %s...\n",
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coreboot_version, coreboot_extra_version, coreboot_build,
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(boot_complete)?"rebooting":"booting");
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post_code(POST_CONSOLE_BOOT_MSG);
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/* If we have already booted attempt a hard reboot */
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if (boot_complete) {
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hard_reset();
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}
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/* FIXME: Is there a better way to handle this? */
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init_timer();
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/* CONFIG_EARLY_CBMEM_INIT indicates that romstage initialized
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* the cbmem area. Therefore the table location can be initialized
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* early in ramstage if cbmem_get_table_location() is implemented.
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*/
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#if CONFIG_EARLY_CBMEM_INIT
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if (cbmem_get_table_location != NULL &&
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!cbmem_get_table_location(&high_tables_base, &high_tables_size))
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cbmem_initialize();
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#endif
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timestamp_stash(TS_DEVICE_ENUMERATE);
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/* Initialize chips early, they might disable unused devices. */
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dev_initialize_chips();
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/* Find the devices we don't have hard coded knowledge about. */
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dev_enumerate();
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post_code(POST_DEVICE_ENUMERATION_COMPLETE);
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timestamp_stash(TS_DEVICE_CONFIGURE);
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/* Now compute and assign the bus resources. */
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dev_configure();
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post_code(POST_DEVICE_CONFIGURATION_COMPLETE);
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timestamp_stash(TS_DEVICE_ENABLE);
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/* Now actually enable devices on the bus */
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dev_enable();
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post_code(POST_DEVICES_ENABLED);
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timestamp_stash(TS_DEVICE_INITIALIZE);
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/* And of course initialize devices on the bus */
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dev_initialize();
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post_code(POST_DEVICES_INITIALIZED);
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timestamp_stash(TS_DEVICE_DONE);
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cbmem_initialize();
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#if CONFIG_CONSOLE_CBMEM
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cbmemc_reinit();
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#endif
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timestamp_sync();
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#if CONFIG_HAVE_ACPI_RESUME
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suspend_resume();
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post_code(0x8a);
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#endif
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timestamp_add_now(TS_CBMEM_POST);
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if (cbmem_post_handling)
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cbmem_post_handling();
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timestamp_add_now(TS_WRITE_TABLES);
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/* Now that we have collected all of our information
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* write our configuration tables.
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*/
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lb_mem = write_tables();
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timestamp_add_now(TS_LOAD_PAYLOAD);
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payload = cbfs_load_payload(CBFS_DEFAULT_MEDIA,
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CONFIG_CBFS_PREFIX "/payload");
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if (! payload)
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die("Could not find a payload\n");
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selfboot(lb_mem, payload);
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printk(BIOS_EMERG, "Boot failed");
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}
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