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| author | Stefan Reinauer <reinauer@chromium.org> | 2012-11-30 12:34:04 -0800 |
|---|---|---|
| committer | Ronald G. Minnich <rminnich@gmail.com> | 2012-11-30 23:59:58 +0100 |
| commit | 8d7115560d469f901d7d8ccb242d0b437e7394aa (patch) | |
| tree | 0f1b4bd63c48a233c49d5a9ca15f08a1675d1ff4 /src/device/cpu_device.c | |
| parent | 4b6be985aae8bff84ae442e7be7669e93694fa1e (diff) | |
| download | coreboot-8d7115560d469f901d7d8ccb242d0b437e7394aa.tar.xz | |
Rename devices -> device
to match src/include/device
Change-Id: I5d0e5b4361c34881a3b81347aac48738cb5b9af0
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/1960
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Diffstat (limited to 'src/device/cpu_device.c')
| -rw-r--r-- | src/device/cpu_device.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/device/cpu_device.c b/src/device/cpu_device.c new file mode 100644 index 0000000000..b689f1abb3 --- /dev/null +++ b/src/device/cpu_device.c @@ -0,0 +1,71 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2011 Advanced Micro Devices, Inc. + * Copyright (C) 2012 Kyösti Mälkki <kyosti.malkki@gmail.com> + * + * 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 <device/device.h> +#include <console/console.h> +#include <cpu/x86/lapic.h> + +void remap_bsp_lapic(struct bus *cpu_bus) +{ + struct device_path cpu_path; + device_t cpu; + u32 bsp_lapic_id = lapicid(); + + if (bsp_lapic_id) { + cpu_path.type = DEVICE_PATH_APIC; + cpu_path.apic.apic_id = 0; + cpu = find_dev_path(cpu_bus, &cpu_path); + if (cpu) + cpu->path.apic.apic_id = bsp_lapic_id; + } +} + +device_t add_cpu_device(struct bus *cpu_bus, unsigned apic_id, int enabled) +{ + struct device_path cpu_path; + device_t cpu; + + /* Build the cpu device path */ + cpu_path.type = DEVICE_PATH_APIC; + cpu_path.apic.apic_id = apic_id; + + /* Update CPU in devicetree. */ + if (enabled) + cpu = alloc_find_dev(cpu_bus, &cpu_path); + else + cpu = find_dev_path(cpu_bus, &cpu_path); + if (!cpu) + return NULL; + + cpu->enabled = enabled; + printk(BIOS_DEBUG, "CPU: %s %s\n", + dev_path(cpu), cpu->enabled?"enabled":"disabled"); + + return cpu; +} + +void set_cpu_topology(device_t cpu, unsigned node, unsigned package, unsigned core, unsigned thread) +{ + cpu->path.apic.node_id = node; + cpu->path.apic.package_id = package; + cpu->path.apic.core_id = core; + cpu->path.apic.thread_id = thread; +} + |