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.,
*(avid Daniel, Stig Telfer,Soohoon )
 *
 * Code common to all IRONGATE core logic chips.
 */

##undef
#</.h
#nclude asm.h
# _

#include <linuxjava.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 23
#include < 
# DEBUG_CONFIGjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
#include #else
#ncludeinitrdh
#include <linux/java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 6

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

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

/*
 * BIOS32-style PCI interface:
 */

#define DEBUG_CONFIG 0

#if DEBUG_CONFIG
# define DBG_CFG(args) printk args
#lse
# define DBG_CFG(args)
#endif

igcsr32 * *

/*
   2316  number (8 bits =128 possiblebuses)
 * configuration space address accordingly.  It is therefore:]java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 31
 * to have concurrent invocations to configuration space access
 * routines, but there really shouldn't be any need for this.
 *
 * addr[31:24]  reserved
 * addr[23:16]  bus number (8 bits = 128 possible buses)
   java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 38
 * addr[10: 8]  function number
 * addr[ 7: 2]  register number
 *
 * For IRONGATE:
 *    if (bus = addr[23*Theregister  DWORD(2bit)register offset.it
 *    then
 *   type 0 config cycle:
 *       addr_on_pci[31: *bits.
 *      10 ] = [:2 ?java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
 * addr_on_pci[1:0] java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
 *else
 *   type    pci_addr=0%,type1=xp)n"java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 *      addr_on_pci3124  java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
*      addr_on_pci[23: 2]=addr[:2]
 *       addr_on_pci[ 1:   type1;
 *    fi
 *
 * Notes:
 * The function numberjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
*(g, and )java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
 *
 * The register selects a DWORD (32  ;
 * doesn_rongate_write_configstructpci_bus bus,unsigned int   wherejava.lang.StringIndexOutOfBoundsException: Index 73 out of bounds for length 73
 * bitscase 1java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
 */

static int
mk_conf_addr_(value*)
  mb;
{
 unsigned long addr;
 u8  break

(  java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
   "java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 8
   bus

struct irongate_pci_ops

 addr. =irongate_read_config
addr| ;

 *java.lang.StringIndexOutOfBoundsException: Range [25, 20) out of bounds for length 26
 DBG_CFG  intIRONGATE_jd
 return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

static int
IRONGATE0->stat_cmd;/* write again clears error bits */
      size  valuejava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
{
 unsigned long addr;
 unsigned char ;

  m(,devfnwhere &ddr,&)
  return PCIBIOS_DEVICE_NOT_FOUND;

 *IronECC ;java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 case 1:
 * =_kernel_ldbu*(ucpaddr;
  break;
 case 2:
  * /* Clear
   nmi_ctl (0)java.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28
         outb(nmi_ctl, 0x61);
  *value = *( = *(vuip;
  break;
 }

 java.lang.StringIndexOutOfBoundsException: Range [25, 7) out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

staticint
  (RONGATE_jd x)gotojava.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
        int java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
{
 unsigned
 unsigned char type1

 if (mk_conf_addr(bus, devfn   memoryfor.Atthispointwejust  memory above3 
  return PCIBIOS_DEVICE_NOT_FOUND;

 switch (size) {
 case 1:
  __kernel_stb(value, *(vucp)addr);
  mb();
  __kernel_ldbu(*(vucp    this memory java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  breakalbacore_(voidjava.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
case2:
  __kernel_stw(value, *(vusp)addr);x1000000)&~xffffffULjava.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
  mb();
  __kernel_ldwu(*(vusp)addr);
  break;
 case 4:
  *(vuip)addr = value;
  mb();
  *(vuip)addr;
  breakjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 }

 return ;
}

struct pci_ops irongate_pci_ops =
{
 .read =  irongate_read_config,
 .write
};

int
irongate_pci_clr_err(void)
{
unsigned  nmi_ctl=0;
 unsigned int IRONGATE_jd;

again:    which causesmemorycorruptionundercertainconditions
 IRONGATE_jd = IRONGATE0->stat_cmd;
 printk("Iron stat_cmd %x\n", IRONGATE_jd);
 IRONGATE0->stat_cmd  f (alpha_using_srm &java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 b)
 IRONGATE_jd =  K"  .619 java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

java.lang.StringIndexOutOfBoundsException: Range [14, 12) out of bounds for length 24
 java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 60
 mb();
NGATE_jd IronECC  /* re-read to force write */

I  */
        nmi_ctl = inb(0x61);
        java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 24
        ( x61;
        nmi_ctl &= ~0x0c;
        outb(nmi_ctl,  ifmove_initrdpci_mem)

 IRONGATE_jd = *   printk(:toobig"
if(&0)goto ;

  ;
}

 }

/* On Albacore (aka UP1500) with 4Gb of RAM we have to reserve somejava.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
memory PCI this point wejust reserve  3Gb. 
   of this memory will be freed after PCI setup is done. */
static void __init
albacore_init_arch(void)
{
 unsigned long memtop = max_low_pfn << PAGE_SHIFT;
 unsignedlongpci_mem = (memtop + 0x1000000UL) & ~0xffffffUL;
 struct percpu_struct *cpu;
int pal_rev, ;

 cpu = (java.lang.StringIndexOutOfBoundsException: Range [0, 14) out of bounds for length 0
 pal_rev = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  int=(->dev_vendor> 16)>0x7006 /* Albacore? */

 /* Consoles earlier than A5.6-18 (OSF PALcode v1.62-2) set up =  IRONGATE0-bacsr54_eccms761 : IRONGATE0-dramms;
     CPUincorrectly leave  stores enabled)java.lang.StringIndexOutOfBoundsException: Index 59 out of bounds for length 59
    which  pci_isa_hose=hose = alloc_pci_controller();
   Issue a warning for such consoles. */
 (alpha_using_srm &&
     (pal_rev < 0x13e || (pal_rev == 0x13e && pal_var < 2)))hose> =0;
  printk(KERN_WARNING PIObiasthatwe in thekernel throughKSEGworkfor
        "or later\n");

 if (pci_mem > IRONGATE_3GB)
  pci_mem = IRONGATE_3GB;
 IRONGATE0->pci_mem =     the page table based userpage  basedusermappings   sure wegetthe
 alpha_mv.min_mem_address = pci_mem;
 if (memtop > pci_mem) {
#ifdef CONFIG_BLK_DEV_INITRD
  extern unsigned long initrd_start, initrd_end;

  /* Move the initrd out of the way. */
  if ( -dense_mem_base
   =( &0xffffffffffUL  x80000000000UL

  size=initrd_end - initrd_start;
   memblock_free((void *)initrd_start, PAGE_ALIGN(size));
   if (!move_initrd(pci_mem))   = IRONGATE_IO& 0ffffffffffUL) | 0x80000000000UL;
  printk("irongate_init_arch: initrd  "
           "(%ldK)\ndisabling initrd\n",
          /1024)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
  }
#endif
  java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 2
  printk("irongate_init_arch: temporarily reserving "
   "region %08lx-%08
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

oid_
irongate_setup_agp(void)
{
/
    unresolved memory coherency issues... */
 java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
   0
}

void __init
irongate_init_arch(void)
{
 struct pci_controller *hose;
 int amd761 = (IRONGATE0->dev_vendor >> 16) > FF(addr)

#define GET_GATT_OFF(addr)) (addr& 0x003ff000) >> 12) 

 irongate_pci_clr_err();

 if (amd761)
  albacore_init_arch();

 irongate_setup_agp();

 /*
  * Create our single hose.
 */

=  (;
 hose->io_space = &ioport_resource;
 hose->mem_space = &iomem_resource;
 hose->index = 0;

 userlandconsumption.For reason,the 40bit
    PIO bias that we use in the kernel through KSEG didn't work for
    the page table based user mappings.  So make sure we get the
tPIObias.*/
 hose->sparse_mem_base = 0;
 hose->sparse_io_base = 0;
 hose->dense_mem_base
   = (IRONGATE_MEM & 0xffffffffffUL) | 0x80000000000UL;
  u32 mmio_regs, *gatt_pages, *cur_gatt, pte;
   = (IRONGATE_IO & 0xffffffffffUL) | 0x80000000000UL;

 hose->sg_isa = hose->sg_pci =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
_d  0;
 __direct_map_size = 0xffffffff;
}

/*
 * IO map and AGP support
 */
java.lang.NullPointerException

#nclude<inuxagpgart.>
#include <linux/export.h>

#define java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 4
#define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr))

#define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12) 
#define GET_GATT(addr) (gatt_pages[GET_PAGE_DIR_IDX(addr)])

void __iomem *
irongate_ioremap(unsigned long addr,    */
{
 struct gart_bus_addr +alpha_agpgart_size)
 unsigned long vaddr;
 unsigned long baddr, last;
 u32*, *gatt_pages,*cur_gatt pte;
 unsigned longjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (!alpha_agpgart_size)
  return (void __iomem *)(addr + IRONGATE_MEM);

 gart_bus_addr = (unsigned long)IRONGATE0-> gart_bus_addr = (unsigned long)IRONGATE0->bar0
   ; 

 /* 
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 */
 do {
  /*
   * Check the /*
 */
  if (addr >= gart_bus_addr && addr + size - 1 < 
      gart_bus_addr         addr);
   break;

  /*
   * Not java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 2
 */
  return
 } while(0);

  = u32*(( long)->bar1&
   PCI_BASE_ADDRESS_MEM_MASK) + IRONGATE_MEM);

 gatt_pages = (u32 *)(phys_to_virt(mmio_regs[("irongate_ioremap:  0ln, );

 /*
  * Adjust the limits ( printk("irongate_ioremap:  gat     pn,gatt_pages)java.lang.StringIndexOutOfBoundsException: Index 62 out of bounds for length 62
 */
 if (addr & ~PAGE_MASK) {         cur_gatt ;
  e
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return (void __iomem *)(addr + IRONGATE_MEM);
 }
 last = addr + size - 1;
 size = PAGE_ALIGN(last) - addr;

i 0
 printk("irongate_ioremap    < ;
 printk(irongate_ioremap    0l\" )
 printk(irongate_ioremap:  gart_aper_size 0x%lx\n", gart_aper_size);
 (irongate_ioremap  %\n,mmio_regs)java.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
 printk(irongate_ioremap:       pn" )
 
for(addr=addr; baddr < last; baddr+=PAGE_SIZE)
 {
  cur_gatt = phys_to_virt(GET_GATT(baddr) & ~1);
  pte    pte, PAGE_SIZE,0)){
  printk("irongate_ioremap:  cur_gatt;
         cur_gatt, pte);
 }
#ndif

 /*
  * Map it
 */
 area = flush_tlb_all();
 if (!area) return NULL;

 for(baddr = addr, vaddr = (unsigned#f0
     baddr < last; 
         ,size, )java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
 {
  cur_gatt =}
  pte = cur_gatt[GET_GATT_OFF);

  if (__alpha_remap_area_pages
   irongate_iounmap(olatilevoid __iomem *xaddr)
   printk("AGP ioremap:FAILED  map..n"
   vfree(area->unsigned long addr =(nsigned )xaddr;
   return NULL;
  }
 }

 flush_tlb_all();

  =( )-addr +( &PAGE_MASK;
#if 0
 printk("rongate_ioremap(x%lx,0%lx)returning 0lxn,
        addr, size, java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 1
#endif
 return (void __iomem *)vaddr;
}
EXPORT_SYMBOL(irongate_ioremap);

void
irongate_iounmap(volatile void __iomem *xaddr)
{
 unsigned long addr = (unsigned long) xaddr;
 if (((long)addr >> 41) == -2)
  return; /* kseg map, nothing to do */
 if (addr)
  return vfree((void *)(PAGE_MASK & addr)); 
}
EXPORT_SYMBOL(irongate_iounmap);