From b78c1972feed4c57eebba8f94de86a91e32c3fa7 Mon Sep 17 00:00:00 2001
From: Eric Biederman <ebiederm@xmission.com>
Date: Thu, 14 Oct 2004 20:54:17 +0000
Subject: - 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
---
 src/arch/i386/boot/linuxbios_table.c | 65 ++++++++++++++++++++++++++++++++++--
 src/arch/i386/boot/linuxbios_table.h |  4 ---
 src/arch/i386/boot/tables.c          | 33 ++----------------
 3 files changed, 65 insertions(+), 37 deletions(-)

(limited to 'src/arch/i386/boot')

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);
 
-- 
cgit v1.2.3