Revision a94fd955 hw/apb_pci.c

b/hw/apb_pci.c
22 22 
 * THE SOFTWARE.
23 23 
 */
24 24 

  		





  25
  
  
    
/* XXX This file and most of its contests are somewhat misnamed.  The


  		





  
  25
  
    
/* XXX This file and most of its contents are somewhat misnamed.  The


  		





  26
  26
  
    
   Ultrasparc PCI host is called the PCI Bus Module (PBM).  The APB is


  		





  27
  27
  
    
   the secondary PCI bridge.  */


  		





  28
  28
  
    

  		





  29
  29
  
    
#include "hw.h"


  		





  30
  30
  
    
#include "pci.h"


  		





  
  31
  
    

  		





  
  32
  
    
/* debug APB */


  		





  
  33
  
    
//#define DEBUG_APB


  		





  
  34
  
    

  		





  
  35
  
    
#ifdef DEBUG_APB


  		





  
  36
  
    
#define APB_DPRINTF(fmt, args...) \


  		





  
  37
  
    
do { printf("APB: " fmt , ##args); } while (0)


  		





  
  38
  
    
#else


  		





  
  39
  
    
#define APB_DPRINTF(fmt, args...)


  		





  
  40
  
    
#endif


  		





  
  41
  
    

  		





  31
  42
  
    
typedef target_phys_addr_t pci_addr_t;


  		





  32
  43
  
    
#include "pci_host.h"


  		





  33
  44
  
    

  		





  ......




  37
  48
  
    
                                         uint32_t val)


  		





  38
  49
  
    
{


  		





  39
  50
  
    
    APBState *s = opaque;


  		





  40
  
  
    
    int i;


  		





  41
  51
  
    

  		





  42
  
  
    
    for (i = 11; i < 32; i++) {


  		





  43
  
  
    
        if ((val & (1 << i)) != 0)


  		





  44
  
  
    
            break;


  		





  45
  
  
    
    }


  		





  46
  
  
    
    s->config_reg = (1 << 16) | (val & 0x7FC) | (i << 11);


  		





  
  52
  
    
#ifdef TARGET_WORDS_BIGENDIAN


  		





  
  53
  
    
    val = bswap32(val);


  		





  
  54
  
    
#endif


  		





  
  55
  
    
    APB_DPRINTF("config_writel addr " TARGET_FMT_plx " val %x\n", addr,


  		





  
  56
  
    
                val);


  		





  
  57
  
    
    s->config_reg = val;


  		





  47
  58
  
    
}


  		





  48
  59
  
    

  		





  49
  60
  
    
static uint32_t pci_apb_config_readl (void *opaque,


  		





  ......




  51
  62
  
    
{


  		





  52
  63
  
    
    APBState *s = opaque;


  		





  53
  64
  
    
    uint32_t val;


  		





  54
  
  
    
    int devfn;


  		





  55
  65
  
    

  		





  56
  
  
    
    devfn = (s->config_reg >> 8) & 0xFF;


  		





  57
  
  
    
    val = (1 << (devfn >> 3)) | ((devfn & 0x07) << 8) | (s->config_reg & 0xFC);


  		





  
  66
  
    
    val = s->config_reg;


  		





  
  67
  
    
#ifdef TARGET_WORDS_BIGENDIAN


  		





  
  68
  
    
    val = bswap32(val);


  		





  
  69
  
    
#endif


  		





  
  70
  
    
    APB_DPRINTF("config_readl addr " TARGET_FMT_plx " val %x\n", addr,


  		





  
  71
  
    
                val);


  		





  58
  72
  
    
    return val;


  		





  59
  73
  
    
}


  		





  60
  74
  
    

  		





  ......




  259
  273
  
    
                                "Advanced PCI Bus secondary bridge 1");


  		





  260
  274
  
    
    pci_bridge_init(s->bus, 9, 0x108e5000, pci_apb_map_irq,


  		





  261
  275
  
    
                    "Advanced PCI Bus secondary bridge 2");


  		





  262
  
  
    
    return secondary;


  		





  
  276
  
    
    return s->bus;


  		





  263
  277
  
    
}


  		












Also available in:
  Unified diff