From fa2df758f226f5b06537c6e6f8e27072b94644c5 Mon Sep 17 00:00:00 2001
From: "Ronald G. Minnich" <rminnich@gmail.com>
Date: Wed, 27 Aug 2003 14:33:13 +0000
Subject: support for new mobos and fixes

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1087 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
---
 src/mainboard/tyan/s2880/mainboard.c | 144 ++++++++++++++++++++---------------
 1 file changed, 82 insertions(+), 62 deletions(-)

(limited to 'src/mainboard/tyan/s2880/mainboard.c')

diff --git a/src/mainboard/tyan/s2880/mainboard.c b/src/mainboard/tyan/s2880/mainboard.c
index 446dd32bd4..8efc0a5d1b 100644
--- a/src/mainboard/tyan/s2880/mainboard.c
+++ b/src/mainboard/tyan/s2880/mainboard.c
@@ -11,7 +11,7 @@ unsigned long initial_apicid[MAX_CPUS] =
 {
 	0,1
 };
-/*
+#if 0
 static void fixup_lsi_53c1030(struct device *pdev)
 {
 //	uint8_t byte;
@@ -35,9 +35,10 @@ static void fixup_lsi_53c1030(struct device *pdev)
 //	lsi_scsi_init(pdev);
 	
 }
-*/
+#endif
 //extern static void lsi_scsi_init(struct device *dev);
-/*static void print_pci_regs(struct device *dev)
+#if 1
+static void print_pci_regs(struct device *dev)
 {
       uint8_t byte;
       int i;
@@ -45,72 +46,67 @@ static void fixup_lsi_53c1030(struct device *pdev)
       for(i=0;i<256;i++) {
 	     byte = pci_read_config8(dev, i);
    
-             if((i%16)==0) printk_info("\n %02x:",i);
-             printk_debug(" %02x ",byte);
+             if((i%16)==0) printk_info("\n%02x:",i);
+             printk_debug(" %02x",byte);
       }
-      printk_debug("\r\n");
+      printk_debug("\n");
 	
 //        pci_write_config8(dev, 0x4, byte);
 
 }
-*/
-static void onboard_scsi_fixup(void)
+#endif
+#if 0
+static void print_mem(void)
 {
-//       struct device *dev;
-
-/*       // Set the scsi device id's 
-       printk_debug("%2d:%2d:%2d\n",0,1,0);
-	dev = dev_find_slot(0, PCI_DEVFN(0x1, 0));
-       if (dev) {
-		print_pci_regs(dev);
-        }
-        // Set the scsi device id's 
-       printk_debug("%2d:%2d:%2d\n",0,2,0);
-        dev = dev_find_slot(0, PCI_DEVFN(0x2, 0));
-        if (dev) {
-		print_pci_regs(dev);
-        }
+        int i;
+	int low_1MB = 0;
+	for(i=low_1MB;i<low_1MB+1024*4;i++) {
+             if((i%16)==0) printk_debug("\n %08x:",i);
+             printk_debug(" %02x ",(unsigned char)*((unsigned char *)i));
+             }
+
+        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
+#if 0
+static void amd8111_enable_rom(void)
+{
+        uint8_t byte;
+        struct device *dev;
 
-        // Set the scsi device id's
-       printk_debug("%2d:%2d:%2d\n",0,3,0);
-        dev = dev_find_slot(0, PCI_DEVFN(0x3, 0));
-        if (dev) {
-                print_pci_regs(dev);
-        }
+        /* Enable 4MB rom access at 0xFFC00000 - 0xFFFFFFFF */
+        /* Locate the amd8111 */
+        dev = dev_find_device(0x1022, 0x7468, 0);
 
-      // Set the scsi device id's
-       printk_debug("%2d:%2d:%2d\n",1,0x7,0);
-       dev = dev_find_slot(1, PCI_DEVFN(0x7, 0));
-       if (dev) {
-                print_pci_regs(dev);
-        }
-        // Set the scsi device id's
-       printk_debug("%2d:%2d:%2d\n",1,0x8,0);
-        dev = dev_find_slot(1, PCI_DEVFN(0x8, 0));
-        if (dev) {
-                print_pci_regs(dev);
-        }
-       printk_debug("%2d:%2d:%2d\n",2,3,0);
-       dev = dev_find_slot(2, PCI_DEVFN(0x3, 0));
-       if (dev) {
-                print_pci_regs(dev);
-        }
-        // Set the scsi device id's
-       printk_debug("%2d:%2d:%2d\n",2,6,0);
-        dev = dev_find_slot(2, PCI_DEVFN(0x6, 0));
-        if (dev) {
-                print_pci_regs(dev);
-        }
-        // Set the scsi device id's
-       printk_debug("%2d:%2d:%2d\n",3,4,0);
-        dev = dev_find_slot(3, PCI_DEVFN(0x4, 0));
-        if (dev) {
-                print_pci_regs(dev);
-        }
-*/
+        /* Set the 4MB enable bit bit */
+        byte = pci_read_config8(dev, 0x43);
+        byte |= 0x80;
+        pci_write_config8(dev, 0x43, byte);
+}
+#endif
+static void onboard_scsi_fixup(void)
+{
+       struct device *dev;
+	unsigned char i,j,k;
+#if 1
+	for(i=0;i<=4;i++) {
+		for(j=0;j<=0x1f;j++) {
+			for (k=0;k<=6;k++){
+				dev = dev_find_slot(i, PCI_DEVFN(j, k));
+				if (dev) {
+			                printk_debug("%02x:%02x:%02x",i,j,k);
+					print_pci_regs(dev);
+        			}
+			}
+		}
+	}
+#endif
 
 
-/*
+#if 0
         dev = dev_find_device(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1030,0);
         if(!dev) {
                 printk_info("LSI_SCSI_FW_FIXUP: No Device Found!");
@@ -118,9 +114,28 @@ static void onboard_scsi_fixup(void)
         }
 
 	lsi_scsi_init(dev); 
-*/
+#endif
+//	print_mem();
+//	amd8111_enable_rom();
+}
+/*
+static void vga_fixup(void) {
+        // we do this right here because:
+        // - all the hardware is working, and some VGA bioses seem to need
+        //   that
+        // - we need page 0 below for linuxbios tables.
+#if CONFIG_REALMODE_IDT == 1
+        printk_debug("INSTALL REAL-MODE IDT\n");
+        setup_realmode_idt();
+#endif
+#if CONFIG_VGABIOS == 1
+        printk_debug("DO THE VGA BIOS\n");
+        do_vgabios();
+        post_code(0x93);
+#endif
+
 }
- 
+ */
 
 static void
 enable(struct chip *chip, enum chip_pass pass)
@@ -131,9 +146,14 @@ enable(struct chip *chip, enum chip_pass pass)
 
         switch (pass) {
 		default: break;
-		case CONF_PASS_PRE_BOOT:
+//		case CONF_PASS_PRE_CONSOLE:
+//		case CONF_PASS_PRE_PCI:
+//		case CONF_PASS_POST_PCI:		
+                case CONF_PASS_PRE_BOOT:
 			if (conf->fixup_scsi)
         			onboard_scsi_fixup();
+//			if (conf->fixup_vga)
+//				vga_fixup();
 			printk_debug("mainboard fixup pass %d done\r\n",
 					pass);
 			break;
-- 
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