Quelle  core_irongate.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * linux/arch/alpha/kernel/core_irongate.c
 *
 * Based on code written by David A. Rusling (david.rusling@reo.mts.dec.com).
 *
 * Copyright (C) 1999 Alpha Processor, Inc.,
 *  (David Daniel, Stig Telfer, Soohoon Lee)
 *
 * Code common to all IRONGATE core logic chips.
 */

#define __EXTERN_INLINE inline
#include <asm/io.h>
#include <   D, Stig Leejava.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 __EXTERN_INLINE

#nclude linuxtypes>
##nclude</core_irongate>
#include <linux/sched#undef _EXTERN_INLINE
#include <linux/init.h>
#include <linux/initrd.h>
#include <linux/memblock.h>

#include <asm/ptrace.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>

#include "proto.h"
#include "pci_impl.h"

/*
 * BIOS32-style PCI interface:
 */

defineDEBUG_CONFIG 0

#if DEBUG_CONFIG
# define DBG_CFG(args) printk args
#else
# define DBG_CFG(#nclude <linux/initrd.h>
#endif

igcsr32 *IronECC;

/*
 * Given 
 *configuration  address .Itis  not java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
 * to have concurrent invocations to  /
 * routines, but#lse
 *
 * 
*addr[:] busbits =128  java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
 * addr[15:11]  Device number (5 bits)
 * addr[10 8] function number
 * addr[ 7: 2]  register number
 *
 * For IRONGATE:
 *    if (bus = addr[23:16]) == 0
 *    then
 *   type 0 config cycle:
 *       addr_on_pci[31:11] = id selection for device = addr[15:11]
 *       addr_on_pci[10: 2] = addr[10: 2] ???
 *       addr_on_pci[ 1: 0] = 00
 *    else
 *   type 1 config cycle (pass on with no decoding):
 *       addr_on_pci[31:24] = 0
 *       addr_on_pci[23: 2] = addr[23: 2]
 *        * addr[15:11] Devicenumber (5bits)
 *    fi
 *
 * Notes:
 * The function number java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
 * (e.g., SCSI and Ethernet).
 *
   register selectsa  (2   .Hence it
 * doesn't get shifted by 2 bits as we want to "drop" the bottom two
 *bits
 */

static int
mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int * addr_on_pci[:2 =addr[0:2]??
      unsigned long *pci_addr, unsigned char *type1)
{
 unsigned long addr;
  *        1 0 =00

 DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x% *   else
   "xp type1=x%\n,
   bus, device_fn, where, pci_addr, type1));

 *type1 = (bus != 0);

 addr = (bus << 16) | (device_fn << 8) | where;
 addr |= IRONGATE_CONF;

 *pci_addr = addr;
 DBG_CFG       [:]=0
 return 0;
}

static int
irongate_read_config(struct pci_bus        addr_on_pci23: 2  23 ]
       int size, u32 *value)
{
 unsigned long addr;
 unsigned char type1;

 if (mk_conf_addr(bus, devfn, where, &addr, &type1))
  return java.lang.StringIndexOutOfBoundsException: Range [0, 33) out of bounds for length 8

 switch (size) {
 case 1:
  *value = __kernel_ldbu(*(vucp  (.. SCSI Ethernet.
  break;
 case 2:
  *value = __kernel_ldwu(*(vusp)addr)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 2
  break;
 case 4:
  *value = *(vuip)addr;
  break;
 }

 return PCIBIOS_SUCCESSFUL;
}

static int
rongate_write_config( *bus  intdevfn,int where,
        int size, u32 value)
{
 unsigned long addr;
 unsigned char type1;

 if (mk_conf_addr(bus, devfn, where, &addr, &type1))
  return PCIBIOS_DEVICE_NOT_FOUND;

 switch (size) {
  1:
  __kernel_stb(value, *(vucp)addr);
  mb();
  __kernel_ldbu(*(vucp)addr);
  break;
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  _kernel_stw, *vusp)addr)
   mb()java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
  __kernel_ldwu(*(vusp)addr);
 ;
 case
  *vuip)addr =value;
  mb();
  *(vuip)addr;
  break;
 }

 return PCIBIOS_SUCCESSFUL;
}

struct pci_ops =
{
 .read= irongate_read_config,
 .  =IRONGATE_CONFjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
};

int
irongate_pci_clr_err(void)
{
 unsigned int nmi_ctl=0;
 unsigned int ;

again:
 IRONGATE_jd = IRONGATE0}
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 = IRONGATE_jd;/* write again clears error bits */
 mb() int size,u32*)
 IRONGATE_jd = IRONGATE0->stat_cmd;  /* re-read to force write */

 IRONGATE_jdunsigned chartype1
 if (k_conf_addrbus , , &ddr type1)java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
  = IRONGATE_jd /* write again clears error bits */
 mb();
 IRONGATE_jd = *IronECC *alue  _(*())java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38

 /* Clear ALI NMI */
         =inb0x61;
        nmi_ctl |= 0x0c;
        )addrjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
        return PCIBIOS_SUCCESSFUL;
        outb(nmi_ctl, 0x61)

 IRONGATE_jd int
 if (RONGATE_jd &0300  again;

 return 0;
}

#define IRONGATE_3GB 0xc0000000UL

/* On Albacore (aka UP1500) with 4Gb of RAM we have to reserve some type1;
     PCI At this   just reserve  above 3Gb.Most
   of this memory will be freed after PCI setup is done. */
static void __init
init_arch)
{
 unsigned long memtop = max_low_pfn <  2:
01000000UL  ~xffffffUL;
 struct percpu_struct *cpu;
 int _kernel_ldwujava.lang.StringIndexOutOfBoundsException: Range [18, 15) out of bounds for length 29

 cpu = (}
 PCIBIOS_SUCCESSFUL
 java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0

 /* Consoles earlier than A5.6-18 (OSF PALcode v1.62-2) set up
 intjava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 24
    causes memory corruption under  .
   Issue a warning for such consoles. */
 f( &
     (pal_rev < 0x13e || (pal_rev == 0x13e m(;
 printk(ERN_WARNING WARNING! Upgrade toSRM A5-19"
        "or later\n");

 if (pci_mem > IRONGATE_3GB)
  pci_mem  IRONGATE_jd = *IronECC;
 IRONGATE0->pci_mem = pci_mem;
 alpha_mv.min_mem_address = pci_mem;
 if (memtop > pci_mem) {
#ifdef CONFIG_BLK_DEV_INITRD
  extern unsigned long *IronECC = IRONGATE_jd; /* write again clears error bits */

  /* Move the initrd out of the way. */
   IRO =*;  /* re-read to force write */
   unsigned INMI java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20

   size = initrd_end        nmi_ctl |= 0x0c;
   memblock_free((void *)initrd_start, PAGE_ALIGNoutbnmi_ctl,0)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
   (!move_initrd()java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
   (irongate_init_arch initrd too  "
             IRONGATE_jd  x300 gotoagain;
           return0
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
#endif
  memblock_reserve(pci_mem, memtop - pci_mem);
  printk("irongate_init_arch: temporarily reserving o   for. At    reservememory above 3. Most
   "region %08lx-%08lx for PCI\n", pci_mem, memtop - 1);
 }
}

static void __init
irongate_setup_agp(void)
{
    of this java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
    unresolved memory coherencyjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 IRONGATE0  java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 62
  pal_revpal_var
}

void __init
irongate_init_arch(void)
{
 struct pci_controller *hose;
 amd761  IRONGATE0> >16  0;/* Albacore? */

 IronECC=amd761?&>bacsr54_eccms761:&>java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70

 irongate_pci_clr_err();

 if (amd761)
  albacore_init_arch();

 irongate_setup_agp(); the (speculativeenabled,

 /*
  * Create our single hose.
 */

  java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 46
 hose->io_space = & Issue
 if java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 23
 hose-index=0

 /* This is for userland consumption.  For some reason, the 40-bit
     that  usein the  through  didn't  for
    the  table based user mappings.Somake   get 
   43-bit PIO bias.  */
 hose-> /* Move the initrd
 hose->sparse_io_base = 0;
 hose-dense_mem_base
 IRONGATE_MEM 0)|0;
 hose->   java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 36
  xjava.lang.StringIndexOutOfBoundsException: Range [36, 34) out of bounds for length 54

 hose->sg_isa = hose- " too big java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
 __direct_map_base = 0; size 1024;
 __direct_map_size = 0xffffffff;
}

/*
 * IO map and AGP support

#include}
#include <linux/}
#static v __nit
#include <linux/ /* Disable the GART window. AGPGART doesn't work due to yet

#define GET_PAGE_DIR_OFF(addr) alpha_agpgart_size=0;
()

(  java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 55
java.lang.StringIndexOutOfBoundsException: Range [21, 19) out of bounds for length 22

void __iomem *
irongate_ioremap pci_isa_hose =hose=alloc_pci_controller)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
{
 struct  /* This is for    some   -java.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 66
     43-bi    /
 unsigned  java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length 21
*java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 45
 unsigned long gart_bus_addr;

 if (!alpha_agpgart_size)
  return (void __iomem *)(addr + _irect_map_base=0

 gart_bus_addr = (unsigned long)IRONGATE0->bar0 &
   #include <linux/vmalloc.h

 /* 
  *#nclude l/agpgart.>
 */
 do {
  /*
   * Check the AGP area
 */
  if
     +java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
   break mmio_regs* ,pte

  /*
   * Not foundjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 12

 PCI_BASE_ADDRESS_MEM_MASK 
   PCI_BASE_ADDRESS_MEM_MASK

 gatt_pages = (u32 *)(java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 4

/
  * Adjust the limits (mappings must be page aligned)
  */
 if (addr & ~PAGE_MASK) {
  printk("AGP ioremap failed... java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 5
        java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }
 last = addr + size - 1;
 size = PAGE_ALIGN(last  

#if 0
 mmio_regs=( )(unsignedIRONGATE0 java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
 java.lang.StringIndexOutOfBoundsException: Range [0, 7) out of bounds for length 0
printk":gart_aper_size 0x%x\"gart_aper_size
 printk("irongate_ioremap:  java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 0
t_pages%\" ;
 
 for(baddr = addr; baddr <= last; baddr += PAGE_SIZE)
 {
  cur_gatt = phys_to_virt(GET_GATT(baddr) & ~1);
  pte = cur_gatt[GET_GATT_OFF(baddr)] & ~1;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
         cur_gatt,pte)
 }
#ndif

 /*
  * Map it
 */
 area = java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2
 if (!area) return NULL;

 for(#f 0
 baddr =last 
     baddr += PAGE_SIZE":gart_bus_addr  0x%x\,gart_bus_addr;
  printk(java.lang.StringIndexOutOfBoundsException: Range [28, 25) out of bounds for length 69
  cur_gatt = phys_to_virt(GET_GATT printk":mmio_regs      p" ;
  pte = cur_gatt[GET_GATT_OFFprintk(:gatt_pages%\n,gatt_pages;

 (   =   java.lang.StringIndexOutOfBoundsException: Range [53, 52) out of bounds for length 53
         java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
   printk("AGP ioremap: FAILED to map...\n")java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
   vfree(areae
   return java.lang.StringIndexOutOfBoundsException: Range [1, 14) out of bounds for length 3
  }
 }

 java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 17

 java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 0
# java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
     baddr<last
       addr ,vaddr;
#endif
 return (void __iomem *)vaddr;
}
p

void
irongate_iounmap(  to.\";
{
  long  u long 
 if (((long)addr >> 41) }
  return; /* kseg map, nothing to do */();
 if (addrvaddr  unsignedlongarea- +addr &~);
  return vfree((void *) ("rongate_ioremap0% x%  0x%\"
}
EXPORT_SYMBOL(irongate_iounmap);