Revision: linuxbios@linuxbios.org--devel/freebios--devel--2.0--patch-56

Creator:  Yinghai Lu <yhlu@tyan.com>

remove junk in s2885 cache_as_ram_auto.c 


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1974 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 88 insertions, 0 deletions

diff --git a/src/mainboard/tyan/s4880/failover.c b/src/mainboard/tyan/s4880/failover.c
new file mode 100644
index 0000000000..39758aefa7
--- /dev/null
+++ b/src/mainboard/tyan/s4880/failover.c
@@ -0,0 +1,88 @@
+#define ASSEMBLY 1
+#include <stdint.h>
+#include <device/pci_def.h>
+#include <device/pci_ids.h>
+#include <arch/io.h>
+#include <arch/romcc_io.h>
+#include <cpu/x86/lapic.h>
+#include "pc80/mc146818rtc_early.c"
+#include "southbridge/amd/amd8111/amd8111_enable_rom.c"
+#include "northbridge/amd/amdk8/early_ht.c"
+#include "cpu/x86/lapic/boot_cpu.c"
+#include "northbridge/amd/amdk8/reset_test.c"
+
+#if CONFIG_LOGICAL_CPUS==1
+#include "cpu/amd/dualcore/dualcore_id.c"
+#endif  
+        
+                
+static unsigned long main(unsigned long bist)
+{       
+#if CONFIG_LOGICAL_CPUS==1
+        struct node_core_id id;
+#else   
+        unsigned nodeid;
+#endif          
+        /* Make cerain my local apic is useable */
+        enable_lapic();
+        
+#if CONFIG_LOGICAL_CPUS==1
+        id = get_node_core_id_x();
+        /* Is this a cpu only reset? */
+        if (cpu_init_detected(id.nodeid)) {
+#else
+        nodeid = lapicid();
+        /* Is this a cpu only reset? */
+        if (cpu_init_detected(nodeid)) {
+#endif
+               if (last_boot_normal()) {
+                        goto normal_image;
+                } else {
+                        goto cpu_reset;
+                }
+        }
+        /* Is this a secondary cpu? */
+        if (!boot_cpu()) {
+		if (last_boot_normal()) {
+			goto normal_image;
+		} else {
+			goto fallback_image;
+		}
+	}
+	
+
+	/* Nothing special needs to be done to find bus 0 */
+	/* Allow the HT devices to be found */
+	enumerate_ht_chain();
+	
+	/* Setup the 8111 */
+	amd8111_enable_rom();
+
+	/* Is this a deliberate reset by the bios */
+	if (bios_reset_detected() && last_boot_normal()) {
+		goto normal_image;
+	}
+	/* This is the primary cpu how should I boot? */
+	else if (do_normal_boot()) {
+		goto normal_image;
+	}
+	else {
+		goto fallback_image;
+	}
+ normal_image:
+	asm volatile ("jmp __normal_image" 
+		: /* outputs */ 
+		: "a" (bist) /* inputs */
+		: /* clobbers */
+		);
+ cpu_reset:
+#if 0
+	asm volatile ("jmp __cpu_reset"
+		: /* outputs */ 
+		: "a"(bist) /* inputs */
+		: /* clobbers */
+		);
+#endif
+ fallback_image:
+	return bist;
+}