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Revert "Use broadcast SIPI to startup siblings"

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This reverts commit 042c1461fb.

It turned out that sending IPIs via broadcast doesn't work on
Sandybridge. We tried to come up with a solution, but didn't
found any so far. So revert the code for now until we have
a working solution.

Change-Id: I7dd1cba5a4c1e4b0af366b20e8263b1f6f4b9714
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/1381
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
Sven Schnelle
2012-07-29 19:18:03 +02:00
committed by Ronald G. Minnich
parent a2701c6005
commit 51676b14e8
25 changed files with 510 additions and 127 deletions
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9
src/cpu/intel/model_206ax/acpi.c
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@ -26,7 +26,6 @@
#include <arch/acpigen.h>
#include <arch/cpu.h>
#include <cpu/x86/msr.h>
#include <cpu/x86/lapic.h>
#include <cpu/intel/acpi.h>
#include <cpu/intel/speedstep.h>
#include <cpu/intel/turbo.h>
@ -89,8 +88,8 @@ static int generate_cstate_entries(acpi_cstate_t *cstates,
static int generate_C_state_entries(void)
{
struct cpu_info *info;
struct cpu_driver *cpu;
struct device *cpu_dev;
int len, lenif;
device_t lapic;
struct cpu_intel_model_206ax_config *conf = NULL;
@ -104,10 +103,10 @@ static int generate_C_state_entries(void)
return 0;
/* Find CPU map of supported C-states */
cpu_dev = dev_find_lapic(lapicid());
if (!cpu_dev)
info = cpu_info();
if (!info)
return 0;
cpu = find_cpu_driver(cpu_dev);
cpu = find_cpu_driver(info->cpu);
if (!cpu || !cpu->cstates)
return 0;