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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:04 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:03 +0200
commitea0364f1bbfed1e3ea711147420875cf338fe77a (patch)
tree15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_i386/bios_setup.c
parent89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff)
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk This change is intended to clean up the top-level directory structure and more closely mimic Linux's directory organization. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_i386/bios_setup.c')
-rw-r--r--lib_i386/bios_setup.c242
1 files changed, 0 insertions, 242 deletions
diff --git a/lib_i386/bios_setup.c b/lib_i386/bios_setup.c
deleted file mode 100644
index 6491e522ec..0000000000
--- a/lib_i386/bios_setup.c
+++ /dev/null
@@ -1,242 +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>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define NUMVECTS 256
-
-#define BIOS_DATA ((char*)0x400)
-#define BIOS_DATA_SIZE 256
-#define BIOS_BASE ((char*)0xf0000)
-#define BIOS_CS 0xf000
-
-extern ulong _i386boot_bios;
-extern ulong _i386boot_bios_size;
-
-/* these are defined in a 16bit segment and needs
- * to be accessed with the RELOC_16_xxxx() macros below
- */
-extern u16 ram_in_64kb_chunks;
-extern u16 bios_equipment;
-extern u8 pci_last_bus;
-
-extern void *rm_int00;
-extern void *rm_int01;
-extern void *rm_int02;
-extern void *rm_int03;
-extern void *rm_int04;
-extern void *rm_int05;
-extern void *rm_int06;
-extern void *rm_int07;
-extern void *rm_int08;
-extern void *rm_int09;
-extern void *rm_int0a;
-extern void *rm_int0b;
-extern void *rm_int0c;
-extern void *rm_int0d;
-extern void *rm_int0e;
-extern void *rm_int0f;
-extern void *rm_int10;
-extern void *rm_int11;
-extern void *rm_int12;
-extern void *rm_int13;
-extern void *rm_int14;
-extern void *rm_int15;
-extern void *rm_int16;
-extern void *rm_int17;
-extern void *rm_int18;
-extern void *rm_int19;
-extern void *rm_int1a;
-extern void *rm_int1b;
-extern void *rm_int1c;
-extern void *rm_int1d;
-extern void *rm_int1e;
-extern void *rm_int1f;
-extern void *rm_def_int;
-
-extern void *realmode_reset;
-extern void *realmode_pci_bios_call_entry;
-
-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
-}
-
-#define RELOC_16_LONG(seg, off) *(u32*)(seg << 4 | (u32)&off)
-#define RELOC_16_WORD(seg, off) *(u16*)(seg << 4 | (u32)&off)
-#define RELOC_16_BYTE(seg, off) *(u8*)(seg << 4 | (u32)&off)
-
-int bios_setup(void)
-{
- ulong i386boot_bios = (ulong)&_i386boot_bios;
- ulong i386boot_bios_size = (ulong)&_i386boot_bios_size;
-
- static int done=0;
- int vector;
-#ifdef CONFIG_PCI
- struct pci_controller *pri_hose;
-#endif
- if (done) {
- return 0;
- }
- done = 1;
-
- if (i386boot_bios_size > 65536) {
- printf("BIOS too large (%ld bytes, max is 65536)\n",
- i386boot_bios_size);
- return -1;
- }
-
- memcpy(BIOS_BASE, (void*)i386boot_bios, i386boot_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;
-}