sravan/system76-coreboot
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- First pass through with with device tree enhancement merge. Most of the mechanisms should

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be in place but don't expect anything to quite work yet.


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1662 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Eric Biederman
2004-10-14 20:54:17 +00:00
parent cadfd4c462
commit b78c1972fe
52 changed files with 1723 additions and 1778 deletions
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33
src/arch/i386/boot/tables.c
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@ -1,39 +1,13 @@
#include <console/console.h>
#include <mem.h>
#include <cpu/cpu.h>
#include <boot/tables.h>
#include <boot/linuxbios_tables.h>
#include <arch/pirq_routing.h>
#include <arch/smp/mpspec.h>
#include <arch/acpi.h>
#include <pc80/mc146818rtc.h>
#include "linuxbios_table.h"
#if CONFIG_SMP && CONFIG_MAX_PHYSICAL_CPUS && (CONFIG_MAX_PHYSICAL_CPUS < CONFIG_MAX_CPUS)
static void remove_logical_cpus(unsigned long *processor_map)
{
/* To turn off hyperthreading just remove the logical
* cpus from the processor map.
*/
int disable_logical_cpus = !CONFIG_LOGICAL_CPUS;
if (get_option(&disable_logical_cpus,"hyper_threading")) {
disable_logical_cpus = !CONFIG_LOGICAL_CPUS;
}
if (disable_logical_cpus) {
/* disable logical cpus */
int cnt;
for(cnt=CONFIG_MAX_PHYSICAL_CPUS;cnt<CONFIG_MAX_CPUS;cnt++)
processor_map[cnt]=0;
printk_debug("logical cpus disabled\n");
}
}
#else
#define remove_logical_cpus(processor_map) do {} while(0)
#endif /* CONFIG_SMP && CONFIG_MAX_PHYSICAL_CPUS */
struct lb_memory *write_tables(struct mem_range *mem, unsigned long *processor_map)
struct lb_memory *write_tables(void)
{
unsigned long low_table_start, low_table_end;
unsigned long rom_table_start, rom_table_end;
@ -56,8 +30,7 @@ struct lb_memory *write_tables(struct mem_range *mem, unsigned long *processor_m
post_code(0x96);
/* The smp table must be in 0-1K, 639K-640K, or 960K-1M */
remove_logical_cpus(processor_map);
low_table_end = write_smp_table(low_table_end, processor_map);
low_table_end = write_smp_table(low_table_end);
/* Write ACPI tables */
/* write them in the rom area because DSDT can be large (8K on epia-m) which
@ -73,7 +46,7 @@ struct lb_memory *write_tables(struct mem_range *mem, unsigned long *processor_m
}
/* The linuxbios table must be in 0-4K or 960K-1M */
write_linuxbios_table(processor_map, mem,
write_linuxbios_table(
low_table_start, low_table_end,
rom_table_start >> 10, rom_table_end >> 10);