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x86: Remove unused bios/pci code

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Graeme Russ pointed out that this code is no longer used. Remove it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
master
Simon Glass 12 years ago
parent bbd0f7e3ba
commit dfdedd9c2e
4 changed files with 0 additions and 363 deletions
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  1. 4
      arch/x86/include/asm/pci.h
  2. 1
      arch/x86/lib/Makefile
  3. 170
      arch/x86/lib/bios.h
  4. 188
      arch/x86/lib/pci.c

4
arch/x86/include/asm/pci.h
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@ -30,8 +30,4 @@
const struct pci_device_id _table[]
void pci_setup_type1(struct pci_controller *hose);
int pci_enable_legacy_video_ports(struct pci_controller* hose);
int pci_shadow_rom(pci_dev_t dev, unsigned char *dest);
void pci_remove_rom_window(struct pci_controller* hose, u32 addr);
u32 pci_get_rom_window(struct pci_controller* hose, int size);
#endif

1
arch/x86/lib/Makefile
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@ -37,7 +37,6 @@ COBJS-y += init_wrappers.o
COBJS-y += interrupts.o
COBJS-$(CONFIG_SYS_PCAT_INTERRUPTS) += pcat_interrupts.o
COBJS-$(CONFIG_SYS_GENERIC_TIMER) += pcat_timer.o
COBJS-$(CONFIG_PCI) += pci.o
COBJS-$(CONFIG_PCI) += pci_type1.o
COBJS-y += relocate.o
COBJS-y += physmem.o

170
arch/x86/lib/bios.h
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@ -1,170 +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
*/
#ifndef _BIOS_H_
#define _BIOS_H_
#define OFFS_ES 0 /* 16bit */
#define OFFS_GS 2 /* 16bit */
#define OFFS_DS 4 /* 16bit */
#define OFFS_EDI 6 /* 32bit */
#define OFFS_DI 6 /* low 16 bits of EDI */
#define OFFS_ESI 10 /* 32bit */
#define OFFS_SI 10 /* low 16 bits of ESI */
#define OFFS_EBP 14 /* 32bit */
#define OFFS_BP 14 /* low 16 bits of EBP */
#define OFFS_ESP 18 /* 32bit */
#define OFFS_SP 18 /* low 16 bits of ESP */
#define OFFS_EBX 22 /* 32bit */
#define OFFS_BX 22 /* low 16 bits of EBX */
#define OFFS_BL 22 /* low 8 bits of BX */
#define OFFS_BH 23 /* high 8 bits of BX */
#define OFFS_EDX 26 /* 32bit */
#define OFFS_DX 26 /* low 16 bits of EBX */
#define OFFS_DL 26 /* low 8 bits of BX */
#define OFFS_DH 27 /* high 8 bits of BX */
#define OFFS_ECX 30 /* 32bit */
#define OFFS_CX 30 /* low 16 bits of EBX */
#define OFFS_CL 30 /* low 8 bits of BX */
#define OFFS_CH 31 /* high 8 bits of BX */
#define OFFS_EAX 34 /* 32bit */
#define OFFS_AX 34 /* low 16 bits of EBX */
#define OFFS_AL 34 /* low 8 bits of BX */
#define OFFS_AH 35 /* high 8 bits of BX */
#define OFFS_VECTOR 38 /* 16bit */
#define OFFS_IP 40 /* 16bit */
#define OFFS_CS 42 /* 16bit */
#define OFFS_FLAGS 44 /* 16bit */
/* stack at 0x40:0x800 -> 0x800 */
#define SEGMENT 0x40
#define STACK 0x800
/*
* save general registers
* save some segments
* save callers stack segment
* setup BIOS segments
* setup BIOS stackpointer
*/
#define MAKE_BIOS_STACK \
pushal; \
pushw %ds; \
pushw %gs; \
pushw %es; \
pushw %ss; \
popw %gs; \
movw $SEGMENT, %ax; \
movw %ax, %ds; \
movw %ax, %es; \
movw %ax, %ss; \
movw %sp, %bp; \
movw $STACK, %sp
/*
* restore callers stack segment
* restore some segments
* restore general registers
*/
#define RESTORE_CALLERS_STACK \
pushw %gs; \
popw %ss; \
movw %bp, %sp; \
popw %es; \
popw %gs; \
popw %ds; \
popal
#ifndef __ASSEMBLY__
#define BIOS_DATA ((char *)0x400)
#define BIOS_DATA_SIZE 256
#define BIOS_BASE ((char *)0xf0000)
#define BIOS_CS 0xf000
extern ulong __bios_start;
extern ulong __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;
#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))
#ifdef PCI_BIOS_DEBUG
extern u32 num_pci_bios_present;
extern u32 num_pci_bios_find_device;
extern u32 num_pci_bios_find_class;
extern u32 num_pci_bios_generate_special_cycle;
extern u32 num_pci_bios_read_cfg_byte;
extern u32 num_pci_bios_read_cfg_word;
extern u32 num_pci_bios_read_cfg_dword;
extern u32 num_pci_bios_write_cfg_byte;
extern u32 num_pci_bios_write_cfg_word;
extern u32 num_pci_bios_write_cfg_dword;
extern u32 num_pci_bios_get_irq_routing;
extern u32 num_pci_bios_set_irq;
extern u32 num_pci_bios_unknown_function;
#endif
#endif
#endif

188
arch/x86/lib/pci.c
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@ -1,188 +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
*/
#include <common.h>
#include <pci.h>
#include <asm/io.h>
#include <asm/pci.h>
#undef PCI_ROM_SCAN_VERBOSE
int pci_shadow_rom(pci_dev_t dev, unsigned char *dest)
{
struct pci_controller *hose;
int res = -1;
int i;
u32 rom_addr;
u32 addr_reg;
u32 size;
u16 vendor;
u16 device;
u32 class_code;
u32 pci_data;
hose = pci_bus_to_hose(PCI_BUS(dev));
debug("pci_shadow_rom() asked to shadow device %x to %x\n",
dev, (u32)dest);
pci_read_config_word(dev, PCI_VENDOR_ID, &vendor);
pci_read_config_word(dev, PCI_DEVICE_ID, &device);
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_code);
class_code &= 0xffffff00;
class_code >>= 8;
debug("PCI Header Vendor %04x device %04x class %06x\n",
vendor, device, class_code);
/* Enable the rom addess decoder */
pci_write_config_dword(dev, PCI_ROM_ADDRESS, (u32)PCI_ROM_ADDRESS_MASK);
pci_read_config_dword(dev, PCI_ROM_ADDRESS, &addr_reg);
if (!addr_reg) {
/* register unimplemented */
printf("pci_chadow_rom: device do not seem to have a rom\n");
return -1;
}
size = (~(addr_reg&PCI_ROM_ADDRESS_MASK)) + 1;
debug("ROM is %d bytes\n", size);
rom_addr = pci_get_rom_window(hose, size);
debug("ROM mapped at %x\n", rom_addr);
pci_write_config_dword(dev, PCI_ROM_ADDRESS,
pci_phys_to_mem(dev, rom_addr)
|PCI_ROM_ADDRESS_ENABLE);
for (i = rom_addr; i < rom_addr + size; i += 512) {
if (readw(i) == 0xaa55) {
#ifdef PCI_ROM_SCAN_VERBOSE
printf("ROM signature found\n");
#endif
pci_data = readw(0x18 + i);
pci_data += i;
if (0 == memcmp((void *)pci_data, "PCIR", 4)) {
#ifdef PCI_ROM_SCAN_VERBOSE
printf("Fount PCI rom image at offset %d\n",
i - rom_addr);
printf("Vendor %04x device %04x class %06x\n",
readw(pci_data + 4), readw(pci_data + 6),
readl(pci_data + 0x0d) & 0xffffff);
printf("%s\n",
(readw(pci_data + 0x15) & 0x80) ?
"Last image" : "More images follow");
switch (readb(pci_data + 0x14)) {
case 0:
printf("X86 code\n");
break;
case 1:
printf("Openfirmware code\n");
break;
case 2:
printf("PARISC code\n");
break;
}
printf("Image size %d\n",
readw(pci_data + 0x10) * 512);
#endif
/*
* FixMe: I think we should compare the class
* code bytes as well but I have no reference
* on the exact order of these bytes in the PCI
* ROM header
*/
if (readw(pci_data + 4) == vendor &&
readw(pci_data + 6) == device &&
readb(pci_data + 0x14) == 0) {
#ifdef PCI_ROM_SCAN_VERBOSE
printf("Suitable ROM image found\n");
#endif
memmove(dest, (void *)rom_addr,
readw(pci_data + 0x10) * 512);
res = 0;
break;
}
if (readw(pci_data + 0x15) & 0x80)
break;
}
}
}
#ifdef PCI_ROM_SCAN_VERBOSE
if (res)
printf("No suitable image found\n");
#endif
/* disable PAR register and PCI device ROM address devocer */
pci_remove_rom_window(hose, rom_addr);
pci_write_config_dword(dev, PCI_ROM_ADDRESS, 0);
return res;
}
#ifdef PCI_BIOS_DEBUG
void print_bios_bios_stat(void)
{
printf("16 bit functions:\n");
printf("pci_bios_present: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_present));
printf("pci_bios_find_device: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_find_device));
printf("pci_bios_find_class: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_find_class));
printf("pci_bios_generate_special_cycle: %d\n",
RELOC_16_LONG(0xf000,
num_pci_bios_generate_special_cycle));
printf("pci_bios_read_cfg_byte: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_byte));
printf("pci_bios_read_cfg_word: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_word));
printf("pci_bios_read_cfg_dword: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_read_cfg_dword));
printf("pci_bios_write_cfg_byte: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_byte));
printf("pci_bios_write_cfg_word: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_word));
printf("pci_bios_write_cfg_dword: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_write_cfg_dword));
printf("pci_bios_get_irq_routing: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_get_irq_routing));
printf("pci_bios_set_irq: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_set_irq));
printf("pci_bios_unknown_function: %d\n",
RELOC_16_LONG(0xf000, num_pci_bios_unknown_function));
}
#endif
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