x86: Remove unused real mode code

This code is pretty old and we want to support only 32-bit systems now.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>

1 files changed, 0 insertions, 179 deletions

diff --git a/arch/x86/lib/bios_setup.c b/arch/x86/lib/bios_setup.c
deleted file mode 100644
index 265f7d671..000000000
--- a/arch/x86/lib/bios_setup.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
- * Partly based on msbios.c from rolo 1.6:
- *----------------------------------------------------------------------
- * (C) Copyright 2000
- * Sysgo Real-Time Solutions GmbH
- * Klein-Winternheim, Germany
- *----------------------------------------------------------------------
- */
-
-#include <common.h>
-#include <pci.h>
-#include <asm/realmode.h>
-#include <asm/io.h>
-#include "bios.h"
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define NUMVECTS	256
-
-static int set_jmp_vector(int entry_point, void *target)
-{
-	if (entry_point & ~0xffff)
-		return -1;
-
-	if (((u32)target - 0xf0000) & ~0xffff)
-		return -1;
-
-	printf("set_jmp_vector: 0xf000:%04x -> %p\n",
-			entry_point, target);
-
-	/* jmp opcode */
-	writeb(0xea, 0xf0000 + entry_point);
-
-	/* offset */
-	writew(((u32)target-0xf0000), 0xf0000 + entry_point + 1);
-
-	/* segment */
-	writew(0xf000, 0xf0000 + entry_point + 3);
-
-	return 0;
-}
-
-/* Install an interrupt vector */
-static void setvector(int vector, u16 segment, void *handler)
-{
-	u16 *ptr = (u16 *)(vector * 4);
-	ptr[0] = ((u32)handler - (segment << 4)) & 0xffff;
-	ptr[1] = segment;
-
-#if 0
-	printf("setvector: int%02x -> %04x:%04x\n",
-			vector, ptr[1], ptr[0]);
-#endif
-}
-
-int bios_setup(void)
-{
-	/* The BIOS section is not relocated and still in the ROM. */
-	ulong bios_start = (ulong)&__bios_start;
-	ulong bios_size = (ulong)&__bios_size;
-
-	static int done;
-	int vector;
-#ifdef CONFIG_PCI
-	struct pci_controller *pri_hose;
-#endif
-	if (done)
-		return 0;
-
-	done = 1;
-
-	if (bios_size > 65536) {
-		printf("BIOS too large (%ld bytes, max is 65536)\n",
-				bios_size);
-		return -1;
-	}
-
-	memcpy(BIOS_BASE, (void *)bios_start, bios_size);
-
-	/* clear bda */
-	memset(BIOS_DATA, 0, BIOS_DATA_SIZE);
-
-	/* enter some values to the bda */
-	writew(0x3f8, BIOS_DATA);   /* com1 addr */
-	writew(0x2f8, BIOS_DATA+2); /* com2 addr */
-	writew(0x3e8, BIOS_DATA+4); /* com3 addr */
-	writew(0x2e8, BIOS_DATA+6); /* com4 addr */
-	writew(0x278, BIOS_DATA+8); /* lpt1 addr */
-	/*
-	 * The kernel wants to read the base memory size
-	 * from 40:13. Put a zero there to avoid an error message
-	 */
-	writew(0, BIOS_DATA+0x13);  /* base memory size */
-
-
-	/* setup realmode interrupt vectors */
-	for (vector = 0; vector < NUMVECTS; vector++)
-		setvector(vector, BIOS_CS, &rm_def_int);
-
-	setvector(0x00, BIOS_CS, &rm_int00);
-	setvector(0x01, BIOS_CS, &rm_int01);
-	setvector(0x02, BIOS_CS, &rm_int02);
-	setvector(0x03, BIOS_CS, &rm_int03);
-	setvector(0x04, BIOS_CS, &rm_int04);
-	setvector(0x05, BIOS_CS, &rm_int05);
-	setvector(0x06, BIOS_CS, &rm_int06);
-	setvector(0x07, BIOS_CS, &rm_int07);
-	setvector(0x08, BIOS_CS, &rm_int08);
-	setvector(0x09, BIOS_CS, &rm_int09);
-	setvector(0x0a, BIOS_CS, &rm_int0a);
-	setvector(0x0b, BIOS_CS, &rm_int0b);
-	setvector(0x0c, BIOS_CS, &rm_int0c);
-	setvector(0x0d, BIOS_CS, &rm_int0d);
-	setvector(0x0e, BIOS_CS, &rm_int0e);
-	setvector(0x0f, BIOS_CS, &rm_int0f);
-	setvector(0x10, BIOS_CS, &rm_int10);
-	setvector(0x11, BIOS_CS, &rm_int11);
-	setvector(0x12, BIOS_CS, &rm_int12);
-	setvector(0x13, BIOS_CS, &rm_int13);
-	setvector(0x14, BIOS_CS, &rm_int14);
-	setvector(0x15, BIOS_CS, &rm_int15);
-	setvector(0x16, BIOS_CS, &rm_int16);
-	setvector(0x17, BIOS_CS, &rm_int17);
-	setvector(0x18, BIOS_CS, &rm_int18);
-	setvector(0x19, BIOS_CS, &rm_int19);
-	setvector(0x1a, BIOS_CS, &rm_int1a);
-	setvector(0x1b, BIOS_CS, &rm_int1b);
-	setvector(0x1c, BIOS_CS, &rm_int1c);
-	setvector(0x1d, BIOS_CS, &rm_int1d);
-	setvector(0x1e, BIOS_CS, &rm_int1e);
-	setvector(0x1f, BIOS_CS, &rm_int1f);
-
-	set_jmp_vector(0xfff0, &realmode_reset);
-	set_jmp_vector(0xfe6e, &realmode_pci_bios_call_entry);
-
-	/* fill in data area */
-	RELOC_16_WORD(0xf000, ram_in_64kb_chunks) = gd->ram_size >> 16;
-	RELOC_16_WORD(0xf000, bios_equipment) = 0; /* FixMe */
-
-	/* If we assume only one PCI hose, this PCI hose
-	 * will own PCI bus #0, and the last PCI bus of
-	 * that PCI hose will be the last PCI bus in the
-	 * system.
-	 * (This, ofcause break on multi hose systems,
-	 *  but our PCI BIOS only support one hose anyway)
-	 */
-#ifdef CONFIG_PCI
-	pri_hose = pci_bus_to_hose(0);
-	if (NULL != pri_hose) {
-		/* fill in last pci bus number for use by the realmode
-		 * PCI BIOS */
-		RELOC_16_BYTE(0xf000, pci_last_bus) = pri_hose->last_busno;
-	}
-#endif
-	return 0;
-}