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authorEric Biederman <ebiederm@xmission.com>2004-10-14 20:54:17 +0000
committerEric Biederman <ebiederm@xmission.com>2004-10-14 20:54:17 +0000
commitb78c1972feed4c57eebba8f94de86a91e32c3fa7 (patch)
tree2ba60cfe9866f4d1e2de1d9727d0e548139afb35 /src/arch/i386/boot
parentcadfd4c462673bcb44cdb1f193e52c95a888762a (diff)
- First pass through with with device tree enhancement merge. Most of the mechanisms should
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
Diffstat (limited to 'src/arch/i386/boot')
-rw-r--r--src/arch/i386/boot/linuxbios_table.c65
-rw-r--r--src/arch/i386/boot/linuxbios_table.h4
-rw-r--r--src/arch/i386/boot/tables.c33
3 files changed, 65 insertions, 37 deletions
diff --git a/src/arch/i386/boot/linuxbios_table.c b/src/arch/i386/boot/linuxbios_table.c
index 3b14488de8..5b7431479b 100644
--- a/src/arch/i386/boot/linuxbios_table.c
+++ b/src/arch/i386/boot/linuxbios_table.c
@@ -5,6 +5,8 @@
#include "linuxbios_table.h"
#include <string.h>
#include <version.h>
+#include <device/device.h>
+#include <stdlib.h>
struct lb_header *lb_table_init(unsigned long addr)
@@ -217,18 +219,75 @@ struct lb_memory *get_lb_mem(void)
return mem_ranges;
}
+struct mem_range *sizeram(void)
+{
+ struct mem_range *mem, *rmem;
+ struct device *dev;
+ unsigned int count;
+ count = 0;
+ for(dev = all_devices; dev; dev = dev->next) {
+ struct resource *res, *last;
+ last = &dev->resource[dev->resources];
+ for(res = &dev->resource[0]; res < last; res++) {
+ if ((res->flags & IORESOURCE_MEM) &&
+ (res->flags & IORESOURCE_CACHEABLE))
+ {
+ count++;
+ }
+ }
+ }
+ rmem = mem = malloc(sizeof(*mem) * (count + 1));
+ for(dev = all_devices; dev; dev = dev->next) {
+ struct resource *res, *last;
+ last = &dev->resource[dev->resources];
+ for(res = &dev->resource[0]; res < last; res++) {
+ if ((res->flags & IORESOURCE_MEM) &&
+ (res->flags & IORESOURCE_CACHEABLE))
+ {
+ mem->basek = res->base >> 10;
+ mem->sizek = res->size >> 10;
+ mem++;
+ }
+ }
+ }
+ mem->basek = 0;
+ mem->sizek = 0;
+#if 0
+ for(mem = rmem; mem->sizek; mem++) {
+ printk_debug("basek: %lu sizek: %lu\n",
+ mem->basek, mem->sizek);
+ }
+#endif
+ return rmem;
+}
+
+static struct mem_range *get_ramsize(void)
+{
+ struct mem_range *mem = 0;
+ if (!mem) {
+ mem = sizeram();
+ }
+ if (!mem) {
+ printk_emerg("No memory size information!\n");
+ for(;;) {
+ /* Ensure this loop is not optimized away */
+ asm volatile("":/* outputs */:/*inputs */ :"memory");
+ }
+ }
+ return mem;
+}
+
unsigned long write_linuxbios_table(
- unsigned long *processor_map,
- struct mem_range *ram,
unsigned long low_table_start, unsigned long low_table_end,
unsigned long rom_table_startk, unsigned long rom_table_endk)
{
unsigned long table_size;
- struct mem_range *ramp;
+ struct mem_range *ram, *ramp;
struct lb_header *head;
struct lb_memory *mem;
struct lb_record *rec_dest, *rec_src;
+ ram = get_ramsize();
head = lb_table_init(low_table_end);
low_table_end = (unsigned long)head;
#if HAVE_OPTION_TABLE == 1
diff --git a/src/arch/i386/boot/linuxbios_table.h b/src/arch/i386/boot/linuxbios_table.h
index 42c0a07dac..d15e1c722a 100644
--- a/src/arch/i386/boot/linuxbios_table.h
+++ b/src/arch/i386/boot/linuxbios_table.h
@@ -3,12 +3,8 @@
#include <boot/linuxbios_tables.h>
-struct mem_range;
-
/* This file holds function prototypes for building the linuxbios table. */
unsigned long write_linuxbios_table(
- unsigned long *processor_map,
- struct mem_range *ram,
unsigned long low_table_start, unsigned long low_table_end,
unsigned long rom_table_start, unsigned long rom_table_end);
diff --git a/src/arch/i386/boot/tables.c b/src/arch/i386/boot/tables.c
index 18e271db8c..b148abd1c2 100644
--- a/src/arch/i386/boot/tables.c
+++ b/src/arch/i386/boot/tables.c
@@ -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);