x86: Remove unused bios/pci code
authorSimon Glass <sjg@chromium.org>
Wed, 17 Apr 2013 16:13:30 +0000 (16:13 +0000)
committerSimon Glass <sjg@chromium.org>
Mon, 13 May 2013 20:31:18 +0000 (13:31 -0700)
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>
arch/x86/include/asm/pci.h
arch/x86/lib/Makefile
arch/x86/lib/bios.h [deleted file]
arch/x86/lib/pci.c [deleted file]

index 6d68ab6c92623e38dfd591f89cf70ce5d888de19..9cc2034737d0d4a72dd1630a4094ca59db467a18 100644 (file)
@@ -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
index ee89354808659d24177931b47db133c5ffa19f2d..9c6b621af23a09b3b5094e5aa4328e3a6862f9b8 100644 (file)
@@ -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
diff --git a/arch/x86/lib/bios.h b/arch/x86/lib/bios.h
deleted file mode 100644 (file)
index 96509b0..0000000
+++ /dev/null
@@ -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
diff --git a/arch/x86/lib/pci.c b/arch/x86/lib/pci.c
deleted file mode 100644 (file)
index 71878dd..0000000
+++ /dev/null
@@ -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