patch-2.4.5 linux/arch/ppc/boot/vreset.c

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diff -u --recursive --new-file v2.4.4/linux/arch/ppc/boot/vreset.c linux/arch/ppc/boot/vreset.c
@@ -1,838 +0,0 @@
-/*
- * vreset.c
- *
- * Initialize the VGA control registers to 80x25 text mode.
- *
- * Adapted from a program by:
- *                                      Steve Sellgren
- *                                      San Francisco Indigo Company
- *                                      sfindigo!sellgren@uunet.uu.net
- *
- * Original concept by:
- *                                      Gary Thomas <gdt@linuxppc.org>
- * Adapted for Moto boxes by:
- *                                      Pat Kane & Mark Scott, 1996
- * Adapted for IBM portables by:
- *                                      Takeshi Ishimoto
- * Multi-console support:
- *                                      Terje Malmedal <terje.malmedal@usit.uio.no>
- */
-
-#include "iso_font.h"
-
-extern char *vidmem;
-extern int lines, cols;
-
-static void mdelay(int ms)
-{
-	for (; ms > 0; --ms)
-		udelay(1000);
-}
-
-/*
- * VGA Register  
- */
-struct VgaRegs
-{
-	unsigned short io_port;
-	unsigned char  io_index;
-	unsigned char  io_value;
-};
-
-/*
- * Default console text mode registers  used to reset
- * graphics adapter.
- */
-#define NREGS 54
-#define ENDMK  0xFFFF  /* End marker */
-
-#define S3Vendor        0x5333
-#define CirrusVendor    0x1013
-#define DiamondVendor   0x100E
-#define MatroxVendor    0x102B
-#define ParadiseVendor  0x101C
-
-struct VgaRegs GenVgaTextRegs[NREGS+1] = {
-/*      port    index   value  */
-  /* SR Regs */
-        0x3c4,  0x1,    0x0,
-        0x3c4,  0x2,    0x3,
-        0x3c4,  0x3,    0x0,
-        0x3c4,  0x4,    0x2,
-   /* CR Regs */
-        0x3d4,  0x0,    0x5f,
-        0x3d4,  0x1,    0x4f,
-        0x3d4,  0x2,    0x50,
-        0x3d4,  0x3,    0x82,
-        0x3d4,  0x4,    0x55,
-        0x3d4,  0x5,    0x81,
-        0x3d4,  0x6,    0xbf,
-        0x3d4,  0x7,    0x1f,
-        0x3d4,  0x8,    0x00,
-        0x3d4,  0x9,    0x4f,
-        0x3d4,  0xa,    0x0d,
-        0x3d4,  0xb,    0x0e,
-        0x3d4,  0xc,    0x00,
-        0x3d4,  0xd,    0x00,
-        0x3d4,  0xe,    0x00,
-        0x3d4,  0xf,    0x00,
-        0x3d4,  0x10,   0x9c,
-        0x3d4,  0x11,   0x8e,
-        0x3d4,  0x12,   0x8f,
-        0x3d4,  0x13,   0x28,
-        0x3d4,  0x14,   0x1f,
-        0x3d4,  0x15,   0x96,
-        0x3d4,  0x16,   0xb9,
-        0x3d4,  0x17,   0xa3,
-   /* GR Regs */
-        0x3ce,  0x0,    0x0,
-        0x3ce,  0x1,    0x0,
-        0x3ce,  0x2,    0x0,
-        0x3ce,  0x3,    0x0,
-        0x3ce,  0x4,    0x0,
-        0x3ce,  0x5,    0x10,
-        0x3ce,  0x6,    0xe,
-        0x3ce,  0x7,    0x0,
-        0x3ce,  0x8,    0xff,
-        ENDMK
-};
-
-struct VgaRegs S3TextRegs[NREGS+1] = {
-/*	port	index	value  */
-  /* SR Regs */
-	0x3c4,	0x1,	0x0,
-	0x3c4,	0x2,	0x3,
-	0x3c4,	0x3,	0x0,
-	0x3c4,	0x4,	0x2,
-   /* CR Regs */
-	0x3d4,	0x0,	0x5f,
-	0x3d4,	0x1,	0x4f,
-	0x3d4,	0x2,	0x50,
-	0x3d4,	0x3,	0x82,
-	0x3d4,	0x4,	0x55,
-	0x3d4,	0x5,	0x81,
-	0x3d4,	0x6,	0xbf,
-	0x3d4,	0x7,	0x1f,
-	0x3d4,	0x8,	0x00,
-	0x3d4,	0x9,	0x4f,
-	0x3d4,	0xa,	0x0d,
-	0x3d4,	0xb,	0x0e,
-	0x3d4,	0xc,	0x00,
-	0x3d4,	0xd,	0x00,
-	0x3d4,	0xe,	0x00,
-	0x3d4,	0xf,	0x00,
-	0x3d4,	0x10,	0x9c,
-	0x3d4,	0x11,	0x8e,
-	0x3d4,	0x12,	0x8f,
-	0x3d4,	0x13,	0x28,
-	0x3d4,	0x14,	0x1f,
-	0x3d4,	0x15,	0x96,
-	0x3d4,	0x16,	0xb9,
-	0x3d4,	0x17,	0xa3,
-   /* GR Regs */
-	0x3ce,	0x0,	0x0,
-	0x3ce,	0x1,	0x0,
-	0x3ce,	0x2,	0x0,
-	0x3ce,	0x3,	0x0,
-	0x3ce,	0x4,	0x0,
-	0x3ce,	0x5,	0x10,
-	0x3ce,	0x6,	0xe,
-	0x3ce,	0x7,	0x0,
-	0x3ce,	0x8,	0xff,
-        ENDMK
-};
-
-struct RGBColors
-{
-  unsigned char r, g, b;
-};
-
-/*
- * Default console text mode color table.
- * These values were obtained by booting Linux with
- * text mode firmware & then dumping the registers.  
- */
-struct RGBColors TextCLUT[256] = 
-{
-  /*	red	green	blue  */
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x2a,
-	0x0,	0x2a,	0x0,
-	0x0,	0x2a,	0x2a,
-	0x2a,	0x0,	0x0,
-	0x2a,	0x0,	0x2a,
-	0x2a,	0x2a,	0x0,
-	0x2a,	0x2a,	0x2a,
-	0x0,	0x0,	0x15,
-	0x0,	0x0,	0x3f,
-	0x0,	0x2a,	0x15,
-	0x0,	0x2a,	0x3f,
-	0x2a,	0x0,	0x15,
-	0x2a,	0x0,	0x3f,
-	0x2a,	0x2a,	0x15,
-	0x2a,	0x2a,	0x3f,
-	0x0,	0x15,	0x0,
-	0x0,	0x15,	0x2a,
-	0x0,	0x3f,	0x0,
-	0x0,	0x3f,	0x2a,
-	0x2a,	0x15,	0x0,
-	0x2a,	0x15,	0x2a,
-	0x2a,	0x3f,	0x0,
-	0x2a,	0x3f,	0x2a,
-	0x0,	0x15,	0x15,
-	0x0,	0x15,	0x3f,
-	0x0,	0x3f,	0x15,
-	0x0,	0x3f,	0x3f,
-	0x2a,	0x15,	0x15,
-	0x2a,	0x15,	0x3f,
-	0x2a,	0x3f,	0x15,
-	0x2a,	0x3f,	0x3f,
-	0x15,	0x0,	0x0,
-	0x15,	0x0,	0x2a,
-	0x15,	0x2a,	0x0,
-	0x15,	0x2a,	0x2a,
-	0x3f,	0x0,	0x0,
-	0x3f,	0x0,	0x2a,
-	0x3f,	0x2a,	0x0,
-	0x3f,	0x2a,	0x2a,
-	0x15,	0x0,	0x15,
-	0x15,	0x0,	0x3f,
-	0x15,	0x2a,	0x15,
-	0x15,	0x2a,	0x3f,
-	0x3f,	0x0,	0x15,
-	0x3f,	0x0,	0x3f,
-	0x3f,	0x2a,	0x15,
-	0x3f,	0x2a,	0x3f,
-	0x15,	0x15,	0x0,
-	0x15,	0x15,	0x2a,
-	0x15,	0x3f,	0x0,
-	0x15,	0x3f,	0x2a,
-	0x3f,	0x15,	0x0,
-	0x3f,	0x15,	0x2a,
-	0x3f,	0x3f,	0x0,
-	0x3f,	0x3f,	0x2a,
-	0x15,	0x15,	0x15,
-	0x15,	0x15,	0x3f,
-	0x15,	0x3f,	0x15,
-	0x15,	0x3f,	0x3f,
-	0x3f,	0x15,	0x15,
-	0x3f,	0x15,	0x3f,
-	0x3f,	0x3f,	0x15,
-	0x3f,	0x3f,	0x3f,
-	0x39,	0xc,	0x5,
-	0x15,	0x2c,	0xf,
-	0x26,	0x10,	0x3d,
-	0x29,	0x29,	0x38,
-	0x4,	0x1a,	0xe,
-	0x2,	0x1e,	0x3a,
-	0x3c,	0x25,	0x33,
-	0x3c,	0xc,	0x2c,
-	0x3f,	0x3,	0x2b,
-	0x1c,	0x9,	0x13,
-	0x25,	0x2a,	0x35,
-	0x1e,	0xa,	0x38,
-	0x24,	0x8,	0x3,
-	0x3,	0xe,	0x36,
-	0xc,	0x6,	0x2a,
-	0x26,	0x3,	0x32,
-	0x5,	0x2f,	0x33,
-	0x3c,	0x35,	0x2f,
-	0x2d,	0x26,	0x3e,
-	0xd,	0xa,	0x10,
-	0x25,	0x3c,	0x11,
-	0xd,	0x4,	0x2e,
-	0x5,	0x19,	0x3e,
-	0xc,	0x13,	0x34,
-	0x2b,	0x6,	0x24,
-	0x4,	0x3,	0xd,
-	0x2f,	0x3c,	0xc,
-	0x2a,	0x37,	0x1f,
-	0xf,	0x12,	0x38,
-	0x38,	0xe,	0x2a,
-	0x12,	0x2f,	0x19,
-	0x29,	0x2e,	0x31,
-	0x25,	0x13,	0x3e,
-	0x33,	0x3e,	0x33,
-	0x1d,	0x2c,	0x25,
-	0x15,	0x15,	0x5,
-	0x32,	0x25,	0x39,
-	0x1a,	0x7,	0x1f,
-	0x13,	0xe,	0x1d,
-	0x36,	0x17,	0x34,
-	0xf,	0x15,	0x23,
-	0x2,	0x35,	0xd,
-	0x15,	0x3f,	0xc,
-	0x14,	0x2f,	0xf,
-	0x19,	0x21,	0x3e,
-	0x27,	0x11,	0x2f,
-	0x38,	0x3f,	0x3c,
-	0x36,	0x2d,	0x15,
-	0x16,	0x17,	0x2,
-	0x1,	0xa,	0x3d,
-	0x1b,	0x11,	0x3f,
-	0x21,	0x3c,	0xd,
-	0x1a,	0x39,	0x3d,
-	0x8,	0xe,	0xe,
-	0x22,	0x21,	0x23,
-	0x1e,	0x30,	0x5,
-	0x1f,	0x22,	0x3d,
-	0x1e,	0x2f,	0xa,
-	0x0,	0x1c,	0xe,
-	0x0,	0x1c,	0x15,
-	0x0,	0x1c,	0x1c,
-	0x0,	0x15,	0x1c,
-	0x0,	0xe,	0x1c,
-	0x0,	0x7,	0x1c,
-	0xe,	0xe,	0x1c,
-	0x11,	0xe,	0x1c,
-	0x15,	0xe,	0x1c,
-	0x18,	0xe,	0x1c,
-	0x1c,	0xe,	0x1c,
-	0x1c,	0xe,	0x18,
-	0x1c,	0xe,	0x15,
-	0x1c,	0xe,	0x11,
-	0x1c,	0xe,	0xe,
-	0x1c,	0x11,	0xe,
-	0x1c,	0x15,	0xe,
-	0x1c,	0x18,	0xe,
-	0x1c,	0x1c,	0xe,
-	0x18,	0x1c,	0xe,
-	0x15,	0x1c,	0xe,
-	0x11,	0x1c,	0xe,
-	0xe,	0x1c,	0xe,
-	0xe,	0x1c,	0x11,
-	0xe,	0x1c,	0x15,
-	0xe,	0x1c,	0x18,
-	0xe,	0x1c,	0x1c,
-	0xe,	0x18,	0x1c,
-	0xe,	0x15,	0x1c,
-	0xe,	0x11,	0x1c,
-	0x14,	0x14,	0x1c,
-	0x16,	0x14,	0x1c,
-	0x18,	0x14,	0x1c,
-	0x1a,	0x14,	0x1c,
-	0x1c,	0x14,	0x1c,
-	0x1c,	0x14,	0x1a,
-	0x1c,	0x14,	0x18,
-	0x1c,	0x14,	0x16,
-	0x1c,	0x14,	0x14,
-	0x1c,	0x16,	0x14,
-	0x1c,	0x18,	0x14,
-	0x1c,	0x1a,	0x14,
-	0x1c,	0x1c,	0x14,
-	0x1a,	0x1c,	0x14,
-	0x18,	0x1c,	0x14,
-	0x16,	0x1c,	0x14,
-	0x14,	0x1c,	0x14,
-	0x14,	0x1c,	0x16,
-	0x14,	0x1c,	0x18,
-	0x14,	0x1c,	0x1a,
-	0x14,	0x1c,	0x1c,
-	0x14,	0x1a,	0x1c,
-	0x14,	0x18,	0x1c,
-	0x14,	0x16,	0x1c,
-	0x0,	0x0,	0x10,
-	0x4,	0x0,	0x10,
-	0x8,	0x0,	0x10,
-	0xc,	0x0,	0x10,
-	0x10,	0x0,	0x10,
-	0x10,	0x0,	0xc,
-	0x10,	0x0,	0x8,
-	0x10,	0x0,	0x4,
-	0x10,	0x0,	0x0,
-	0x10,	0x4,	0x0,
-	0x10,	0x8,	0x0,
-	0x10,	0xc,	0x0,
-	0x10,	0x10,	0x0,
-	0xc,	0x10,	0x0,
-	0x8,	0x10,	0x0,
-	0x4,	0x10,	0x0,
-	0x0,	0x10,	0x0,
-	0x0,	0x10,	0x4,
-	0x0,	0x10,	0x8,
-	0x0,	0x10,	0xc,
-	0x0,	0x10,	0x10,
-	0x0,	0xc,	0x10,
-	0x0,	0x8,	0x10,
-	0x0,	0x4,	0x10,
-	0x8,	0x8,	0x10,
-	0xa,	0x8,	0x10,
-	0xc,	0x8,	0x10,
-	0xe,	0x8,	0x10,
-	0x10,	0x8,	0x10,
-	0x10,	0x8,	0xe,
-	0x10,	0x8,	0xc,
-	0x10,	0x8,	0xa,
-	0x10,	0x8,	0x8,
-	0x10,	0xa,	0x8,
-	0x10,	0xc,	0x8,
-	0x10,	0xe,	0x8,
-	0x10,	0x10,	0x8,
-	0xe,	0x10,	0x8,
-	0xc,	0x10,	0x8,
-	0xa,	0x10,	0x8,
-	0x8,	0x10,	0x8,
-	0x8,	0x10,	0xa,
-	0x8,	0x10,	0xc,
-	0x8,	0x10,	0xe,
-	0x8,	0x10,	0x10,
-	0x8,	0xe,	0x10,
-	0x8,	0xc,	0x10,
-	0x8,	0xa,	0x10,
-	0xb,	0xb,	0x10,
-	0xc,	0xb,	0x10,
-	0xd,	0xb,	0x10,
-	0xf,	0xb,	0x10,
-	0x10,	0xb,	0x10,
-	0x10,	0xb,	0xf,
-	0x10,	0xb,	0xd,
-	0x10,	0xb,	0xc,
-	0x10,	0xb,	0xb,
-	0x10,	0xc,	0xb,
-	0x10,	0xd,	0xb,
-	0x10,	0xf,	0xb,
-	0x10,	0x10,	0xb,
-	0xf,	0x10,	0xb,
-	0xd,	0x10,	0xb,
-	0xc,	0x10,	0xb,
-	0xb,	0x10,	0xb,
-	0xb,	0x10,	0xc,
-	0xb,	0x10,	0xd,
-	0xb,	0x10,	0xf,
-	0xb,	0x10,	0x10,
-	0xb,	0xf,	0x10,
-	0xb,	0xd,	0x10,
-	0xb,	0xc,	0x10,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0,
-	0x0,	0x0,	0x0
-};
-
-unsigned char AC[21] = {
-    0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x14, 0x07, 
-    0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 
-    0x0C, 0x00, 0x0F, 0x08, 0x00};
-
-static int scanPCI(int start_slt);
-static int PCIVendor(int);
-static void printslots(void);
-extern void puthex(unsigned long);
-extern void puts(const char *);
-static void unlockS3(void);
-
-static inline
-outw(int port, unsigned short val)
-{
-	outb(port, val >> 8);
-	outb(port+1, val);
-}
- 
-#define PPC_601 1
-
-vga_init(unsigned char *ISA_mem)
-{
-	int slot;
-	struct VgaRegs *VgaTextRegs;
-#if 0
-	if ((_get_PVR()>>16) == PPC_601) {
-		return(old_vga_init(ISA_mem));
-	}
-#endif
-	
-	/* See if VGA already in TEXT mode - exit if so! */
-	outb(0x3CE, 0x06);
-	if ((inb(0x3CF) & 0x01) == 0){puts("VGA already in text mode\n"); return;}
-
-	/* If no VGA responding in text mode, then we have some work to do...
-	 */
-	slot = -1;
-	while((slot = scanPCI(slot)) > -1) { /* find video card in use  */
-		unlockVideo(slot);           /* enable I/O to card      */
-		VgaTextRegs = GenVgaTextRegs;
-	
-		switch (PCIVendor(slot)) {
-		default:
-			break;
-		case(S3Vendor):
-			unlockS3();
-			VgaTextRegs = S3TextRegs;
-			break;
-	
-		case(CirrusVendor):
-			outw(0x3C4, 0x0612);       /* unlock ext regs */
-			outw(0x3C4, 0x0700);       /* reset ext sequence mode */
-			break;
-	
-		case(ParadiseVendor):                 /* IBM Portable 850 */
-			outw(0x3ce, 0x0f05);      /* unlock pardise registers */
-			outw(0x3c4, 0x0648);
-			outw(0x3d4, 0x2985);
-			outw(0x3d4, 0x34a6);
-			outb(0x3ce, 0x0b);       /* disable linear addressing */
-			outb(0x3cf, inb(0x3cf) & ~0x30);
-			outw(0x3c4, 0x1400);
-			outb(0x3ce, 0x0e);       /* disable 256 color mode */
-			outb(0x3cf, inb(0x3cf) & ~0x01);
-			outb(0xd00, 0xff);       /* enable auto-centering */
-			if (!(inb(0xd01) & 0x03)) {
-				outb(0x3d4, 0x33);
-				outb(0x3d5, inb(0x3d5) & ~0x90);
-				outb(0x3d4, 0x32);
-				outb(0x3d5, inb(0x3d5) | 0x04);
-				outw(0x3d4, 0x0250);
-				outw(0x3d4, 0x07ba);
-				outw(0x3d4, 0x0900);
-				outw(0x3d4, 0x15e7);
-				outw(0x3d4, 0x2a95);
-			}
-			outw(0x3d4, 0x34a0);
-			break;
-	
-	#if 0 /* Untested - probably doesn't work */
-		case(MatroxVendor):
-		case(DiamondVendor):
-			puts("VGA Chip Vendor ID: ");
-			puthex(PCIVendor(slot));
-			puts("\n");
-			mdelay(1000);
-	#endif
-		};
-	
-		outw(0x3C4, 0x0120);           /* disable video              */
-		setTextRegs(VgaTextRegs);      /* initial register setup     */
-		setTextCLUT(0);                /* load color lookup table    */
-		loadFont(ISA_mem);             /* load font                  */
-		setTextRegs(VgaTextRegs);      /* reload registers           */
-		outw(0x3C4, 0x0100);           /* re-enable video            */
-		clearVideoMemory();
-	
-		if (PCIVendor(slot) == S3Vendor) {
-			outb(0x3c2, 0x63);                  /* MISC */
-		} /* endif */
-	
-	#ifdef DEBUG
-		printslots();
-		mdelay(5000);
-	#endif
-	
-		mdelay(1000);	/* give time for the video monitor to come up */
-        }
-	return (1);  /* 'CRT' I/O supported */
-}
-
-/*
- * Write to VGA Attribute registers.  
- */
-writeAttr(index, data, videoOn)
-     unsigned char index;
-     unsigned char data;
-     unsigned char videoOn;   /* video on flag */
-{
-	unsigned char v;
-	v = inb(0x3da);   /* reset attr. address toggle */
-	if (videoOn)
-		outb(0x3c0, (index & 0x1F) | 0x20);
-	else
-		outb(0x3c0, (index & 0x1F));
-	outb(0x3c0, data);
-}
-
-setTextRegs(struct VgaRegs *svp)
-{
-	int i;
-
-	/*
-	 *  saved settings
-	 */ 
-	while( svp->io_port != ENDMK ) {
-		outb(svp->io_port,   svp->io_index);
-		outb(svp->io_port+1, svp->io_value);
-		svp++; 
-	}
-
-	outb(0x3c2, 0x67);  /* MISC */
-	outb(0x3c6, 0xff);  /* MASK */
-
-	for ( i = 0; i < 0x10; i++)
-		writeAttr(i, AC[i], 0);  /* pallete */ 
-	writeAttr(0x10, 0x0c, 0);    /* text mode */
-	writeAttr(0x11, 0x00, 0);    /* overscan color (border) */
-	writeAttr(0x12, 0x0f, 0);    /* plane enable */
-	writeAttr(0x13, 0x08, 0);    /* pixel panning */
-	writeAttr(0x14, 0x00, 1);    /* color select; video on  */
-}
-
-setTextCLUT(int shift)
-{
-	int i;
-
-	outb(0x3C6, 0xFF); 
-	i = inb(0x3C7);
-	outb(0x3C8, 0); 
-	i = inb(0x3C7);
-
-	for ( i = 0; i < 256; i++) {
-		outb(0x3C9, TextCLUT[i].r << shift);
-		outb(0x3C9, TextCLUT[i].g << shift);
-		outb(0x3C9, TextCLUT[i].b << shift);
-	}
-}
-
-
-loadFont(unsigned char *ISA_mem)
-{
-	int i, j;
-	unsigned char *font_page = (unsigned char *) &ISA_mem[0xA0000];
-    
-	outb(0x3C2, 0x67);
-	/* 
-	 * Load font 
-	 */
-	i = inb(0x3DA);  /* Reset Attr toggle */
-
-	outb(0x3C0,0x30); 
-	outb(0x3C0, 0x01);      /* graphics mode */
-
-	outw(0x3C4, 0x0001);    /* reset sequencer */
-	outw(0x3C4, 0x0204);    /* write to plane 2 */
-	outw(0x3C4, 0x0406);    /* enable plane graphics */
-	outw(0x3C4, 0x0003);    /* reset sequencer */
-	outw(0x3CE, 0x0402);    /* read plane 2 */
-	outw(0x3CE, 0x0500);    /* write mode 0, read mode 0 */
-	outw(0x3CE, 0x0605);    /* set graphics mode */
-
-	for (i = 0;  i < sizeof(font);  i += 16) {
-		for (j = 0;  j < 16;  j++) {
-			__asm__ volatile("eieio");
-			font_page[(2*i)+j] = font[i+j];
-		}
-	}
-}
-
-static void
-unlockS3(void)
-{
-        int s3_device_id;
-	outw(0x3d4, 0x3848);
-	outw(0x3d4, 0x39a5);
-	outb(0x3d4, 0x2d);
-	s3_device_id = inb(0x3d5) << 8;
-	outb(0x3d4, 0x2e);
-	s3_device_id |= inb(0x3d5);
-
-	if (s3_device_id != 0x8812) {
-		/* From the S3 manual */
-		outb(0x46E8, 0x10);  /* Put into setup mode */
-		outb(0x3C3, 0x10);
-		outb(0x102, 0x01);   /* Enable registers */
-		outb(0x46E8, 0x08);  /* Enable video */
-		outb(0x3C3, 0x08);
-		outb(0x4AE8, 0x00);
-
-#if 0
-		outb(0x42E8, 0x80);  /* Reset graphics engine? */
-#endif
-
-		outb(0x3D4, 0x38);  /* Unlock all registers */
-		outb(0x3D5, 0x48);
-		outb(0x3D4, 0x39);
-		outb(0x3D5, 0xA5);
-		outb(0x3D4, 0x40);
-		outb(0x3D5, inb(0x3D5)|0x01);
-		outb(0x3D4, 0x33);
-		outb(0x3D5, inb(0x3D5)&~0x52);
-		outb(0x3D4, 0x35);
-		outb(0x3D5, inb(0x3D5)&~0x30);
-		outb(0x3D4, 0x3A);
-		outb(0x3D5, 0x00);
-		outb(0x3D4, 0x53);
-		outb(0x3D5, 0x00);
-		outb(0x3D4, 0x31);
-		outb(0x3D5, inb(0x3D5)&~0x4B);
-		outb(0x3D4, 0x58);
-
-		outb(0x3D5, 0);
-
-		outb(0x3D4, 0x54);
-		outb(0x3D5, 0x38);
-		outb(0x3D4, 0x60);
-		outb(0x3D5, 0x07);
-		outb(0x3D4, 0x61);
-		outb(0x3D5, 0x80);
-		outb(0x3D4, 0x62);
-		outb(0x3D5, 0xA1);
-		outb(0x3D4, 0x69);  /* High order bits for cursor address */
-		outb(0x3D5, 0);
-
-		outb(0x3D4, 0x32);
-		outb(0x3D5, inb(0x3D5)&~0x10);
-	} else {
-                outw(0x3c4, 0x0806);            /* IBM Portable 860 */
-                outw(0x3c4, 0x1041);
-                outw(0x3c4, 0x1128);
-                outw(0x3d4, 0x4000);
-                outw(0x3d4, 0x3100);
-                outw(0x3d4, 0x3a05);
-                outw(0x3d4, 0x6688);
-                outw(0x3d4, 0x5800);            /* disable linear addressing */
-                outw(0x3d4, 0x4500);            /* disable H/W cursor */
-                outw(0x3c4, 0x5410);            /* enable auto-centering */
-                outw(0x3c4, 0x561f);
-                outw(0x3c4, 0x1b80);            /* lock DCLK selection */
-                outw(0x3d4, 0x3900);            /* lock S3 registers */
-                outw(0x3d4, 0x3800);
-	} /* endif */
-}
-
-/*
- * cursor() sets an offset (0-1999) into the 80x25 text area   
- */
-void
-cursor(int x, int y)
-{
-	int pos = (y*cols)+x;
-	outb(0x3D4, 14);
-	outb(0x3D5, pos >> 8);
-	outb(0x3D4, 15);
-	outb(0x3D5, pos);
-}
-
-clearVideoMemory()
-{
-	int i, j;
-	for (i = 0;  i < lines;  i++) {
-		for (j = 0;  j < cols;  j++) {
-			vidmem[((i*cols)+j)*2] = 0x20;	/* fill with space character */
-			vidmem[((i*cols)+j)*2+1] = 0x07;  /* set bg & fg attributes */
-		}
-	}
-}
-
-/* ============ */
-
-
-#define NSLOTS 8
-#define NPCIREGS  5
-
-
-/* 
- should use devfunc number/indirect method to be totally safe on 
- all machines, this works for now on 3 slot Moto boxes 
-*/
-
-struct PCI_ConfigInfo {
-  unsigned long * config_addr;
-  unsigned long regs[NPCIREGS];  
-} PCI_slots [NSLOTS] = {
-
-    { (unsigned long *)0x80808000, 0xDEADBEEF },   /* onboard */
-    { (unsigned long *)0x80800800, 0xDEADBEEF },   /* onboard */
-    { (unsigned long *)0x80801000, 0xDEADBEEF },   /* onboard */
-    { (unsigned long *)0x80802000, 0xDEADBEEF },   /* onboard */
-    { (unsigned long *)0x80804000, 0xDEADBEEF },   /* onboard */
-    { (unsigned long *)0x80810000, 0xDEADBEEF },   /* slot A/1 */
-    { (unsigned long *)0x80820000, 0xDEADBEEF },   /* slot B/2 */
-    { (unsigned long *)0x80840000, 0xDEADBEEF }    /* slot C/3 */
-};
-
-
-
-/*
- * The following code modifies the PCI Command register
- * to enable memory and I/O accesses.    
- */ 
-unlockVideo(slot)        
-{
-       volatile unsigned char * ppci;
-
-        ppci =  (unsigned char * )PCI_slots[slot].config_addr;
-	ppci[4] = 0x0003;         /* enable memory and I/O accesses */
-	ppci[0x10] = 0x00000;     /* turn off memory mapping */
-	ppci[0x11] = 0x00000;     /* mem_base = 0 */
-	ppci[0x12] = 0x00000;
-	ppci[0x13] = 0x00000;
-	__asm__ volatile("eieio");
-
-	outb(0x3d4, 0x11);
-	outb(0x3d5, 0x0e);   /* unlock CR0-CR7 */
-}
-
-long
-SwapBytes(long lv)   /* turn little endian into big indian long */
-{
-    long t;
-    t  = (lv&0x000000FF) << 24;
-    t |= (lv&0x0000FF00) << 8;
-    t |= (lv&0x00FF0000) >> 8;
-    t |= (lv&0xFF000000) >> 24;
-    return(t);
-}
-
-
-#define DEVID   0
-#define CMD     1
-#define CLASS   2
-#define MEMBASE 4
-
-int
-scanPCI(int start_slt)
-{
-	int slt, r;
-	struct PCI_ConfigInfo *pslot;
-	int theSlot = -1;
-	int highVgaSlot = 0;
-
-	for ( slt = start_slt + 1; slt < NSLOTS; slt++) {
-		pslot = &PCI_slots[slt];
-		for ( r = 0; r < NPCIREGS; r++) {
-			pslot->regs[r] = SwapBytes ( pslot->config_addr[r] );
-		}
-		/* card in slot ? */
-		if ( pslot->regs[DEVID] != 0xFFFFFFFF ) {     
-			/* VGA ? */
-			if ( ((pslot->regs[CLASS] & 0xFFFFFF00) == 0x03000000) || 
-			     ((pslot->regs[CLASS] & 0xFFFFFF00) == 0x00010000)) {
-				highVgaSlot = slt;
-				/* did firmware enable it ? */
-				if ( (pslot->regs[CMD] & 0x03) ) { 
-					theSlot = slt;
-					break;
-				}
-			}
-		}
-	}
-
-	return ( theSlot );
-}
-
-/* return Vendor ID of card in the slot */
-static
-int PCIVendor(int slotnum) {
- struct PCI_ConfigInfo *pslot;
-
- pslot = &PCI_slots[slotnum];
-
-return (pslot->regs[DEVID] & 0xFFFF);
-}
-
-static
-void printslots(void) 
-{
-	int i;
-	struct PCI_ConfigInfo *pslot;
-	for(i=0; i < NSLOTS; i++) {
-#if 0
-		pslot = &PCI_slots[i];
-		printf("Slot: %d, Addr: %x, Vendor: %08x, Class: %08x\n",
-		       i, pslot->config_addr, pslot->regs[0], pslot->regs[2]);
-#else
-		puts("PCI Slot number: "); puthex(i);
-		puts(" Vendor ID: "); 
-		puthex(PCIVendor(i)); puts("\n");
-#endif
-	}
-}

FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)