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authorYinghai Lu <yinghailu@gmail.com>2004-10-20 05:07:16 +0000
committerYinghai Lu <yinghailu@gmail.com>2004-10-20 05:07:16 +0000
commit6a61d6a4ae26d02844bf8043525d89b0ef9e0351 (patch)
treeffe2c7e2680ccb73502fe4129b9727051792dadb /src/mainboard/tyan/s4882/mainboard.c
parentabed01d81d0c55848232a9ebd9bb4c55d036f45d (diff)
downloadcoreboot-6a61d6a4ae26d02844bf8043525d89b0ef9e0351.tar.xz
Tyan update to work with new CPU Config
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1693 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/tyan/s4882/mainboard.c')
-rw-r--r--src/mainboard/tyan/s4882/mainboard.c157
1 files changed, 120 insertions, 37 deletions
diff --git a/src/mainboard/tyan/s4882/mainboard.c b/src/mainboard/tyan/s4882/mainboard.c
index dcabd840e2..3727ff55f3 100644
--- a/src/mainboard/tyan/s4882/mainboard.c
+++ b/src/mainboard/tyan/s4882/mainboard.c
@@ -5,12 +5,7 @@
#include <device/pci_ops.h>
#include "../../../northbridge/amd/amdk8/northbridge.h"
#include "chip.h"
-//#include <part/mainboard.h>
-//#include "lsi_scsi.c"
-unsigned long initial_apicid[CONFIG_MAX_CPUS] =
-{
- 0,1,2,3
-};
+
#if 0
static void fixup_lsi_53c1030(struct device *pdev)
{
@@ -26,7 +21,7 @@ static void fixup_lsi_53c1030(struct device *pdev)
word = 0x10f1;
pci_write_config16(pdev, PCI_SUBSYSTEM_VENDOR_ID, word);
// Set the subsytem id
- word = 0x4882;
+ word = 0x2880;
pci_write_config16(pdev, PCI_SUBSYSTEM_ID, word);
// Disable writes to the device id
byte = 0;
@@ -36,7 +31,7 @@ static void fixup_lsi_53c1030(struct device *pdev)
}
#endif
-//extern static void lsi_scsi_init(struct device *dev);
+
#if 0
static void print_pci_regs(struct device *dev)
{
@@ -58,17 +53,18 @@ static void print_pci_regs(struct device *dev)
#if 0
static void print_mem(void)
{
- int i;
- int low_1MB = 0;
- for(i=low_1MB;i<low_1MB+1024*4;i++) {
+ unsigned int i;
+ unsigned int low_1MB = 0xf4107000;
+ for(i=low_1MB;i<low_1MB+1024;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
}
-
+#if 0
for(i=low_1MB;i<low_1MB+1024*4;i++) {
if((i%16)==0) printk_debug("\n %08x:",i);
printk_debug(" %c ",(unsigned char)*((unsigned char *)i));
}
+#endif
}
#endif
#if 0
@@ -91,10 +87,10 @@ static void amd8111_enable_rom(void)
static void onboard_scsi_fixup(void)
{
struct device *dev;
-#if 0
+#if 1
unsigned char i,j,k;
- for(i=0;i<=6;i++) {
+ for(i=0;i<=15;i++) {
for(j=0;j<=0x1f;j++) {
for (k=0;k<=6;k++){
dev = dev_find_slot(i, PCI_DEVFN(j, k));
@@ -133,19 +129,21 @@ static void vga_fixup(void) {
#endif
#if CONFIG_VGABIOS == 1
printk_debug("DO THE VGA BIOS\n");
- do_vgabios();
+ do_vgabios(0x0600);
post_code(0x93);
#endif
}
-#endif
+#endif
+
+#if 0
static void
enable(struct chip *chip, enum chip_pass pass)
{
- struct mainboard_tyan_s4882_config *conf =
- (struct mainboard_tyan_s4882_config *)chip->chip_info;
+ struct mainboard_tyan_s2895_config *conf =
+ (struct mainboard_tyan_s2895_config *)chip->chip_info;
switch (pass) {
default: break;
@@ -163,29 +161,114 @@ enable(struct chip *chip, enum chip_pass pass)
}
}
-static struct device_operations mainboard_operations = {
- .read_resources = root_dev_read_resources,
- .set_resources = root_dev_set_resources,
- .enable_resources = enable_childrens_resources,
- .init = 0,
- .scan_bus = amdk8_scan_root_bus,
- .enable = 0,
-};
+#endif
-static void enumerate(struct chip *chip)
+#undef DEBUG
+#define DEBUG 0
+#if DEBUG
+static void debug_init(device_t dev)
{
- struct chip *child;
- dev_root.ops = &mainboard_operations;
- chip->dev = &dev_root;
- chip->bus = 0;
- for(child = chip->children; child; child = child->next) {
- child->bus = &dev_root.link[0];
+ unsigned bus;
+ unsigned devfn;
+#if 0
+ for(bus = 0; bus < 256; bus++) {
+ for(devfn = 0; devfn < 256; devfn++) {
+ int i;
+ dev = dev_find_slot(bus, devfn);
+ if (!dev) {
+ continue;
+ }
+ if (!dev->enabled) {
+ continue;
+ }
+ printk_info("%02x:%02x.%0x aka %s\n",
+ bus, devfn >> 3, devfn & 7, dev_path(dev));
+ for(i = 0; i < 256; i++) {
+ if ((i & 0x0f) == 0) {
+ printk_info("%02x:", i);
+ }
+ printk_info(" %02x", pci_read_config8(dev, i));
+ if ((i & 0x0f) == 0xf) {
+ printk_info("\n");
+ }
+ }
+ printk_info("\n");
+ }
+ }
+#endif
+#if 0
+ msr_t msr;
+ unsigned index;
+ unsigned eax, ebx, ecx, edx;
+ index = 0x80000007;
+ printk_debug("calling cpuid 0x%08x\n", index);
+ asm volatile(
+ "cpuid"
+ : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx)
+ : "a" (index)
+ );
+ printk_debug("cpuid[%08x]: %08x %08x %08x %08x\n",
+ index, eax, ebx, ecx, edx);
+ if (edx & (3 << 1)) {
+ index = 0xC0010042;
+ printk_debug("Reading msr: 0x%08x\n", index);
+ msr = rdmsr(index);
+ printk_debug("msr[0x%08x]: 0x%08x%08x\n",
+ index, msr.hi, msr.hi);
}
+#endif
}
-struct chip_control mainboard_tyan_s4882_control = {
- .enable = enable,
- .enumerate = enumerate,
- .name = "Tyan s4882 mainboard ",
+
+static void debug_noop(device_t dummy)
+{
+}
+
+static struct device_operations debug_operations = {
+ .read_resources = debug_noop,
+ .set_resources = debug_noop,
+ .enable_resources = debug_noop,
+ .init = debug_init,
};
+static unsigned int scan_root_bus(device_t root, unsigned int max)
+{
+ struct device_path path;
+ device_t debug;
+ max = root_dev_scan_bus(root, max);
+ path.type = DEVICE_PATH_PNP;
+ path.u.pnp.port = 0;
+ path.u.pnp.device = 0;
+ debug = alloc_dev(&root->link[1], &path);
+ debug->ops = &debug_operations;
+ return max;
+}
+#endif
+static void mainboard_init(device_t dev)
+{
+ root_dev_init(dev);
+
+// do_verify_cpu_voltages();
+}
+
+static struct device_operations mainboard_operations = {
+ .read_resources = root_dev_read_resources,
+ .set_resources = root_dev_set_resources,
+ .enable_resources = root_dev_enable_resources,
+ .init = mainboard_init,
+#if !DEBUG
+ .scan_bus = root_dev_scan_bus,
+#else
+ .scan_bus = scan_root_bus,
+#endif
+ .enable = 0,
+};
+
+static void enable_dev(struct device *dev)
+{
+ dev_root.ops = &mainboard_operations;
+}
+struct chip_operations mainboard_tyan_s4882_ops = {
+ .name = "Tyan s4882 mainboard ",
+ .enable_dev = enable_dev,
+};