ohw.diff

11 files changed, 679 insertions, 254 deletions

diff --git a/src/bios.h b/src/bios.h
index b420fff..83d9af4 100644
--- a/src/bios.h
+++ b/src/bios.h
@@ -64,6 +64,7 @@ enum {
     ARCH_CHRP,
     ARCH_MAC99,
     ARCH_POP,
+    ARCH_HEATHROW,
 };
 
 /* Hardware definition(s) */
@@ -174,6 +175,7 @@ int bd_write (bloc_device_t *bd, const void *buffer, int len);
 int bd_ioctl (bloc_device_t *bd, int func, void *args);
 uint32_t bd_seclen (bloc_device_t *bd);
 void bd_close (bloc_device_t *bd);
+void bd_reset_all(void);
 uint32_t bd_seclen (bloc_device_t *bd);
 uint32_t bd_maxbloc (bloc_device_t *bd);
 void bd_sect2CHS (bloc_device_t *bd, uint32_t secnum,
@@ -183,12 +185,12 @@ uint32_t bd_CHS2sect (bloc_device_t *bd,
 part_t *bd_probe (int boot_device);
 bloc_device_t *bd_get (int device);
 void bd_put (bloc_device_t *bd);
-void bd_set_boot_part (bloc_device_t *bd, part_t *partition);
+void bd_set_boot_part (bloc_device_t *bd, part_t *partition, int partnum);
 part_t **_bd_parts (bloc_device_t *bd);
 
 void ide_pci_pc_register (uint32_t io_base0, uint32_t io_base1,
                           uint32_t io_base2, uint32_t io_base3,
-                          void *OF_private);
+                          void *OF_private0, void *OF_private1);
 void ide_pci_pmac_register (uint32_t io_base0, uint32_t io_base1,
                             void *OF_private);
 
@@ -399,17 +401,23 @@ void *OF_register_pci_device (void *parent, pci_dev_t *dev,
                               uint16_t min_grant, uint16_t max_latency);
 void OF_finalize_pci_host (void *dev, int first_bus, int nb_busses);
 void OF_finalize_pci_device (void *dev, uint8_t bus, uint8_t devfn,
-                             uint32_t *regions, uint32_t *sizes);
+                             uint32_t *regions, uint32_t *sizes,
+                             int irq_line);
 void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
                             void *private_data);
+void OF_finalize_pci_ide (void *dev, 
+                          uint32_t io_base0, uint32_t io_base1,
+                          uint32_t io_base2, uint32_t io_base3);
 int OF_register_bus (const unsigned char *name, uint32_t address,
                      const unsigned char *type);
 int OF_register_serial (const unsigned char *bus, const unsigned char *name,
                         uint32_t io_base, int irq);
 int OF_register_stdio (const unsigned char *dev_in,
                        const unsigned char *dev_out);
-void OF_vga_register (const unsigned char *name, uint32_t address,
-                      int width, int height, int depth);
+void OF_vga_register (const unsigned char *name, unused uint32_t address,
+                      int width, int height, int depth,
+                      unsigned long vga_bios_addr, 
+                      unsigned long vga_bios_size);
 void *OF_blockdev_register (void *parent, void *private,
                             const unsigned char *type,
                             const unsigned char *name, int devnum,
diff --git a/src/bloc.c b/src/bloc.c
index 6883ee0..309b343 100644
--- a/src/bloc.c
+++ b/src/bloc.c
@@ -55,6 +55,7 @@ struct bloc_device_t {
     /* Partitions */
     part_t *parts, *bparts;
     part_t *boot_part;
+    int bpartnum;
     /* Chain */
     bloc_device_t *next;
 };
@@ -66,6 +67,7 @@ static int fdc_read_sector (bloc_device_t *bd, void *buffer, int secnum);
 
 static int ide_initialize (bloc_device_t *bd, int device);
 static int ide_read_sector (bloc_device_t *bd, void *buffer, int secnum);
+static int ide_reset (bloc_device_t *bd);
 
 static int mem_initialize (bloc_device_t *bd, int device);
 static int mem_read_sector (bloc_device_t *bd, void *buffer, int secnum);
@@ -212,6 +214,17 @@ void bd_close (unused bloc_device_t *bd)
 {
 }
 
+void bd_reset_all(void)
+{
+    bloc_device_t *bd;
+    for (bd = bd_list; bd != NULL; bd = bd->next) {
+        if (bd->init == &ide_initialize) {
+            /* reset IDE drive because Darwin wants all IDE devices to be reset */
+            ide_reset(bd);
+        }
+    }
+}
+
 uint32_t bd_seclen (bloc_device_t *bd)
 {
     return bd->seclen;
@@ -223,10 +236,12 @@ uint32_t bd_maxbloc (bloc_device_t *bd)
 }
 
 /* XXX: to be suppressed */
-void bd_set_boot_part (bloc_device_t *bd, part_t *partition)
+void bd_set_boot_part (bloc_device_t *bd, part_t *partition, int partnum)
 {
+    dprintf("%s: part %p (%p) %d\n", __func__, partition, bd->boot_part, partnum);
     if (bd->boot_part == NULL) {
         bd->boot_part = partition;
+        bd->bpartnum = partnum;
     }
 }
 
@@ -240,6 +255,13 @@ part_t **_bd_bparts (bloc_device_t *bd)
     return &bd->bparts;
 }
 
+void bd_set_boot_device (bloc_device_t *bd)
+{
+#if defined (USE_OPENFIRMWARE)
+    OF_blockdev_set_boot_device(bd->OF_private, bd->bpartnum, "\\\\ofwboot");
+#endif
+}
+
 part_t *bd_probe (int boot_device)
 {
     char devices[] = { /*'a', 'b',*/ 'c', 'd', 'e', 'f', 'm', '\0', };
@@ -272,9 +294,7 @@ part_t *bd_probe (int boot_device)
         tmp = part_probe(bd, force_raw);
         if (boot_device == bd->device) {
             boot_part = tmp;
-#if defined (USE_OPENFIRMWARE)
-            OF_blockdev_set_boot_device(bd->OF_private, 2, "\\\\ofwboot");
-#endif
+            bd_set_boot_device(bd);
         }
     }
 
@@ -717,34 +737,29 @@ static ide_ops_t *ide_pci_ops;
 /* IDE PCI access for pc */
 static uint8_t ide_pci_port_read (bloc_device_t *bd, int port)
 {
-    eieio();
-
-    return *(uint8_t *)(bd->io_base + port);
+    uint8_t value;
+    value = inb(bd->io_base + port);
+    return value;
 }
 
 static void ide_pci_port_write (bloc_device_t *bd, int port, uint8_t value)
 {
-    *(uint8_t *)(bd->io_base + port) = value;
-    eieio();
+    outb(bd->io_base + port, value);
 }
 
 static uint32_t ide_pci_data_readl (bloc_device_t *bd)
 {
-    eieio();
-
-    return *((uint32_t *)bd->io_base);
+    return inl(bd->io_base);
 }
 
 static void ide_pci_data_writel (bloc_device_t *bd, uint32_t val)
 {
-    *(uint32_t *)(bd->io_base) = val;
-    eieio();
+    outl(bd->io_base, val);
 }
 
 static void ide_pci_control_write (bloc_device_t *bd, uint32_t val)
 {
-    *((uint8_t *)bd->tmp) = val;
-    eieio();
+    outb(bd->tmp + 2, val);
 }
 
 static ide_ops_t ide_pci_pc_ops = {
@@ -761,7 +776,7 @@ static ide_ops_t ide_pci_pc_ops = {
 
 void ide_pci_pc_register (uint32_t io_base0, uint32_t io_base1,
                           uint32_t io_base2, uint32_t io_base3,
-                          unused void *OF_private)
+                          void *OF_private0, void *OF_private1)
 {
     if (ide_pci_ops == NULL) {
         ide_pci_ops = malloc(sizeof(ide_ops_t));
@@ -770,19 +785,19 @@ void ide_pci_pc_register (uint32_t io_base0, uint32_t io_base1,
         memcpy(ide_pci_ops, &ide_pci_pc_ops, sizeof(ide_ops_t));
     }
     if ((io_base0 != 0 || io_base1 != 0) &&
-        ide_pci_ops->base[0] == 0 && ide_pci_ops->base[1] == 0) {
+        ide_pci_ops->base[0] == 0 && ide_pci_ops->base[2] == 0) {
         ide_pci_ops->base[0] = io_base0;
-        ide_pci_ops->base[1] = io_base1;
+        ide_pci_ops->base[2] = io_base1;
 #ifdef USE_OPENFIRMWARE
-        ide_pci_ops->OF_private[0] = OF_private;
+        ide_pci_ops->OF_private[0] = OF_private0;
 #endif
     }
     if ((io_base2 != 0 || io_base3 != 0) &&
-        ide_pci_ops->base[2] == 0 && ide_pci_ops->base[3] == 0) {
-        ide_pci_ops->base[2] = io_base2;
+        ide_pci_ops->base[1] == 0 && ide_pci_ops->base[3] == 0) {
+        ide_pci_ops->base[1] = io_base2;
         ide_pci_ops->base[3] = io_base3;
 #ifdef USE_OPENFIRMWARE
-        ide_pci_ops->OF_private[1] = OF_private;
+        ide_pci_ops->OF_private[1] = OF_private1;
 #endif
     }
 }
@@ -935,6 +950,8 @@ static int ide_reset (bloc_device_t *bd)
 }
 
 static void atapi_pad_req (void *buffer, int len);
+static void atapi_make_req (bloc_device_t *bd, uint32_t *buffer,
+                            int maxlen);
 static int atapi_read_sector (bloc_device_t *bd, void *buffer, int secnum);
 
 static int ide_initialize (bloc_device_t *bd, int device)
@@ -1035,9 +1052,7 @@ static int ide_initialize (bloc_device_t *bd, int device)
         DPRINTF("INQUIRY\n");
         len = spc_inquiry_req(&atapi_buffer, 36);
         atapi_pad_req(&atapi_buffer, len);
-        ide_port_write(bd, 0x07, 0xA0);
-        for (i = 0; i < 3; i++)
-            ide_data_writel(bd, ldswap32(&atapi_buffer[i]));
+        atapi_make_req(bd, atapi_buffer, 36);
         status = ide_port_read(bd, 0x07);
         if (status != 0x48) {
             ERROR("ATAPI INQUIRY : status %0x != 0x48\n", status);
@@ -1053,9 +1068,7 @@ static int ide_initialize (bloc_device_t *bd, int device)
         DPRINTF("READ_CAPACITY\n");
         len = mmc_read_capacity_req(&atapi_buffer);
         atapi_pad_req(&atapi_buffer, len);
-        ide_port_write(bd, 0x07, 0xA0);
-        for (i = 0; i < 3; i++)
-            ide_data_writel(bd, ldswap32(&atapi_buffer[i]));
+        atapi_make_req(bd, atapi_buffer, 8);
         status = ide_port_read(bd, 0x07);
         if (status != 0x48) {
             ERROR("ATAPI READ_CAPACITY : status %0x != 0x48\n", status);
@@ -1105,6 +1118,22 @@ static void atapi_pad_req (void *buffer, int len)
     memset(p + len, 0, 12 - len);
 }
 
+static void atapi_make_req (bloc_device_t *bd, uint32_t *buffer,
+                            int maxlen)
+{
+    int i;
+    /* select drive */
+    if (bd->drv == 0)
+        ide_port_write(bd, 0x06, 0x40);
+    else
+        ide_port_write(bd, 0x06, 0x50);
+    ide_port_write(bd, 0x04, maxlen & 0xff);
+    ide_port_write(bd, 0x05, (maxlen >> 8) & 0xff);
+    ide_port_write(bd, 0x07, 0xA0);
+    for (i = 0; i < 3; i++)
+        ide_data_writel(bd, ldswap32(&buffer[i]));
+}
+
 static int atapi_read_sector (bloc_device_t *bd, void *buffer, int secnum)
 {
     uint32_t atapi_buffer[4];
@@ -1112,16 +1141,9 @@ static int atapi_read_sector (bloc_device_t *bd, void *buffer, int secnum)
     uint32_t status, value;
     int i, len;
 
-    /* select drive */
-    if (bd->drv == 0)
-        ide_port_write(bd, 0x06, 0x40);
-    else
-        ide_port_write(bd, 0x06, 0x50);
     len = mmc_read12_req(atapi_buffer, secnum, 1);
     atapi_pad_req(&atapi_buffer, len);
-    ide_port_write(bd, 0x07, 0xA0);
-    for (i = 0; i < 3; i++)
-        ide_data_writel(bd, ldswap32(&atapi_buffer[i]));
+    atapi_make_req(bd, atapi_buffer, bd->seclen);
     status = ide_port_read(bd, 0x07);
     if (status != 0x48) {
         ERROR("ATAPI READ12 : status %0x != 0x48\n", status);
diff --git a/src/libpart/apple.c b/src/libpart/apple.c
index b006c61..1d72f67 100644
--- a/src/libpart/apple.c
+++ b/src/libpart/apple.c
@@ -199,14 +199,18 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
         if (len == 0) {
             /* Place holder. Skip it */
             DPRINTF("%s placeholder part\t%d\n", __func__, i);
+            part->flags = PART_TYPE_APPLE | PART_FLAG_DUMMY;
+            part_register(bd, part, name, i);
         } else if (strncmp("Apple_Void", type, 32) == 0) {
             /* Void partition. Skip it */
             DPRINTF("%s Void part\t%d [%s]\n", __func__, i, type);
+            part->flags = PART_TYPE_APPLE | PART_FLAG_DUMMY;
+            part_register(bd, part, name, i);
         } else if (strncmp("Apple_Free", type, 32) == 0) {
             /* Free space. Skip it */
             DPRINTF("%s Free part (%d)\n", __func__, i);
             part->flags = PART_TYPE_APPLE | PART_FLAG_DUMMY;
-            part_register(bd, part, name);
+            part_register(bd, part, name, i);
         } else if (strncmp("Apple_partition_map", type, 32) == 0 ||
                    strncmp("Apple_Partition_Map", type, 32) == 0
 #if 0 // Is this really used or is it just a mistake ?
@@ -226,7 +230,7 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
                  */
             }
             part->flags = PART_TYPE_APPLE | PART_FLAG_DUMMY;
-            part_register(bd, part, name);
+            part_register(bd, part, name, i);
         } else if (strncmp("Apple_Driver", type, 32) == 0 ||
                    strncmp("Apple_Driver43", type, 32) == 0 ||
                    strncmp("Apple_Driver43_CD", type, 32) == 0 ||
@@ -236,8 +240,12 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
                    strncmp("Apple_Driver_IOKit", type, 32) == 0) {
             /* Drivers. don't care for now */
             DPRINTF("%s Drivers part\t%d [%s]\n", __func__, i, type);
+            part->flags = PART_TYPE_APPLE | PART_FLAG_DRIVER;
+            part_register(bd, part, name, i);
         } else if (strncmp("Apple_Patches", type, 32) == 0) {
             /* Patches: don't care for now */
+            part->flags = PART_TYPE_APPLE | PART_FLAG_PATCH;
+            part_register(bd, part, name, i);
             DPRINTF("%s Patches part\t%d [%s]\n", __func__, i, type);
         } else if (strncmp("Apple_HFS", type, 32) == 0 ||
                    strncmp("Apple_MFS", type, 32) == 0 ||
@@ -256,9 +264,8 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
             count = partmap->bloc_cnt * HFS_BLOCSIZE;
             if (partmap->boot_size == 0 || partmap->boot_load == 0) {
                 printf("Not a bootable partition %d %d (%p %p)\n",
-                       partmap->boot_size, partmap->boot_load,boot_part, part);
-                if (boot_part == NULL)
-                    boot_part = part;
+                       partmap->boot_size, partmap->boot_load,
+                       boot_part, part);
                 part->flags = PART_TYPE_APPLE | PART_FLAG_FS;
             } else {
                 part->boot_start.bloc = partmap->boot_start;
@@ -278,8 +285,8 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
                 boot_part = part;
                 part->flags = PART_TYPE_APPLE | PART_FLAG_FS | PART_FLAG_BOOT;
             }
-            printf("Partition: %d %s st %0x size %0x",
-                    i, name, partmap->start_bloc, partmap->bloc_cnt);
+            printf("Partition: %d '%s' '%s' st %0x size %0x",
+                    i, name, type, partmap->start_bloc, partmap->bloc_cnt);
 #ifndef DEBUG
             printf("\n");
 #endif
@@ -290,11 +297,13 @@ part_t *Apple_probe_partitions (bloc_device_t *bd)
                     part->boot_load, part->boot_entry);
             DPRINTF("                           load %0x entry %0x %0x\n",
                     partmap->boot_load2, partmap->boot_entry2, HFS_BLOCSIZE);
-            part_register(bd, part, name);
+            part_register(bd, part, name, i);
         } else {
             memcpy(tmp, type, 32);
             tmp[32] = '\0';
             ERROR("Unknown partition type [%s]\n", tmp);
+            part->flags = PART_TYPE_APPLE | PART_FLAG_DUMMY;
+            part_register(bd, part, name, i);
         }
     }
  error:
diff --git a/src/libpart/core.c b/src/libpart/core.c
index 030104d..bc2feb0 100644
--- a/src/libpart/core.c
+++ b/src/libpart/core.c
@@ -126,7 +126,7 @@ void part_set_blocsize (bloc_device_t *bd, part_t *part, uint32_t blocsize)
 }
 
 int part_register (bloc_device_t *bd, part_t *partition,
-                   const unsigned char *name)
+                   const unsigned char *name, int partnum)
 {
     part_t **cur;
 
@@ -134,6 +134,7 @@ int part_register (bloc_device_t *bd, part_t *partition,
     partition->bd = bd;
     partition->next = NULL;
     partition->name = strdup(name);
+    partition->partnum = partnum;
     for (cur = _bd_parts(bd); *cur != NULL; cur = &(*cur)->next)
         continue;
     *cur = partition;
@@ -141,29 +142,15 @@ int part_register (bloc_device_t *bd, part_t *partition,
     return 0;
 }
 
-static inline int set_boot_part (bloc_device_t *bd, int partnum)
-{
-    part_t *cur;
-
-    cur = part_get(bd, partnum);
-    if (cur == NULL)
-        return -1;
-    bd_set_boot_part(bd, cur);
-
-    return 0;
-}
-
 part_t *part_get (bloc_device_t *bd, int partnum)
 {
     part_t **listp, *cur;
-    int i;
 
     listp = _bd_parts(bd);
-    cur = *listp;
-    for (i = 0; i != partnum; i++) {
-        if (cur == NULL)
+    
+    for (cur = *listp; cur != NULL; cur = cur->next) {
+        if (cur->partnum == partnum)
             break;
-        cur = cur->next;
     }
     
     return cur;
@@ -192,17 +179,20 @@ part_t *part_get_raw (bloc_device_t *bd)
     part_set_blocsize(bd, part, 512);
     part->bd = bd;
     part->flags = PART_TYPE_RAW | PART_FLAG_BOOT;
-    part_register(bd, part, "Raw");
+    part_register(bd, part, "Raw", 0);
 
     return part;
 }
 
+bloc_device_t *part_get_bd (part_t *part)
+{
+    return part->bd;
+}
+
 part_t *part_probe (bloc_device_t *bd, int set_raw)
 {
-    part_t *part0, *boot_part, **cur;
+    part_t *part0 = NULL, *boot_part, **cur;
 
-    /* Register the 0 partition: raw partition containing the whole disk */
-    part0 = part_get_raw(bd);
     /* Try to find a valid boot partition */
     boot_part = Apple_probe_partitions(bd);
     if (boot_part == NULL) {
@@ -210,10 +200,13 @@ part_t *part_probe (bloc_device_t *bd, int set_raw)
         if (boot_part == NULL && arch == ARCH_PREP)
             boot_part = PREP_find_partition(bd);
         if (boot_part == NULL && set_raw != 0) {
-            boot_part = part0;
-            set_boot_part(bd, 0);
+            dprintf("Use bloc device as raw partition\n");
         }
     }
+    if (_bd_parts(bd) == NULL) {
+        /* Register the 0 partition: raw partition containing the whole disk */
+        part0 = part_get_raw(bd);
+    }
     /* Probe filesystem on each found partition */
     for (cur = _bd_parts(bd); *cur != NULL; cur = &(*cur)->next) {
         const unsigned char *map, *type;
@@ -248,23 +241,28 @@ part_t *part_probe (bloc_device_t *bd, int set_raw)
             type = "unknown";
             break;
         }
-        DPRINTF("Probe filesystem on %s %s partition '%s' %s\n",
+        dprintf("Probe filesystem on %s %s partition '%s' %s %p\n",
                 type, map, (*cur)->name,
-                ((*cur)->flags) & PART_FLAG_BOOT ? "(bootable)" : "");
+                ((*cur)->flags) & PART_FLAG_BOOT ? "(bootable)" : "", *cur);
         if (((*cur)->flags) & PART_FLAG_FS) {
             if (((*cur)->flags) & PART_FLAG_BOOT)
                 (*cur)->fs = fs_probe(*cur, 1);
             else
                 (*cur)->fs = fs_probe(*cur, 0);
+        } else if (((*cur)->flags) & PART_TYPE_RAW) {
+            (*cur)->fs = fs_probe(*cur, 2);
         } else {
             (*cur)->fs = fs_probe(*cur, 2);
         }
-        if (((*cur)->flags) & PART_FLAG_BOOT) {
-            bd_set_boot_part(bd, *cur);
             fs_get_bootfile((*cur)->fs);
+        if (((*cur)->flags) & PART_FLAG_BOOT) {
+            dprintf("Partition is bootable (%d)\n", (*cur)->partnum);
+            bd_set_boot_part(bd, *cur, (*cur)->partnum);
+            if (boot_part == NULL)
+                boot_part = *cur;
         }
     }
-    DPRINTF("Boot partition: %p %p %p %p\n", boot_part, boot_part->fs,
+    dprintf("Boot partition: %p %p %p %p\n", boot_part, boot_part->fs,
             part_fs(boot_part), part0);
 
     return boot_part;
@@ -279,6 +277,7 @@ int part_set_boot_file (part_t *part, uint32_t start, uint32_t offset,
     part->boot_size.offset = 0;
     part->boot_load = 0;
     part->boot_entry = 0;
+    part->flags |= PART_FLAG_BOOT;
 
     return 0;
 }
diff --git a/src/libpart/isofs.c b/src/libpart/isofs.c
index 466a2e7..bbf8a50 100644
--- a/src/libpart/isofs.c
+++ b/src/libpart/isofs.c
@@ -242,7 +242,7 @@ part_t *isofs_probe_partitions (bloc_device_t *bd)
                    part->boot_start.bloc, part->boot_size.bloc,
                    part->boot_load, part->boot_entry);
             part->flags = PART_TYPE_ISO9660 | PART_FLAG_BOOT;
-            part_register(bd, part, name);
+            part_register(bd, part, name, i + 1);
             fs_raw_set_bootfile(part, part->boot_start.bloc,
                                 part->boot_start.offset,
                                 part->boot_size.bloc,
diff --git a/src/libpart/libpart.h b/src/libpart/libpart.h
index b8c38c9..a982b8f 100644
--- a/src/libpart/libpart.h
+++ b/src/libpart/libpart.h
@@ -30,6 +30,7 @@
 
 struct part_t {
     bloc_device_t *bd;
+    int partnum;
     uint32_t start;      /* Partition first bloc             */
     uint32_t size;       /* Partition size, in blocs         */
     uint32_t spb;
@@ -54,7 +55,7 @@ struct part_t {
 };
 
 int part_register (bloc_device_t *bd, part_t *partition,
-                   const unsigned char *name);
+                   const unsigned char *name, int partnum);
 void part_set_blocsize (bloc_device_t *bd, part_t *part, uint32_t blocsize);
 void part_private_set (part_t *part, void *private);
 void *part_private_get (part_t *part);
diff --git a/src/libpart/prep.c b/src/libpart/prep.c
index b3bcdb9..b957bb9 100644
--- a/src/libpart/prep.c
+++ b/src/libpart/prep.c
@@ -164,7 +164,7 @@ part_t *PREP_find_partition (bloc_device_t *bd)
             part->boot_load = 0;
             part->boot_entry = boot_offset - part->bloc_size;
             part->flags = PART_TYPE_PREP | PART_FLAG_BOOT;
-            part_register(bd, part, "PREP boot");
+            part_register(bd, part, "PREP boot", i);
             fs_raw_set_bootfile(part, part->boot_start.bloc,
                                 part->boot_start.offset,
                                 part->boot_size.bloc,
diff --git a/src/main.c b/src/main.c
index 081f517..ad80833 100644
--- a/src/main.c
+++ b/src/main.c
@@ -364,20 +364,24 @@ int main (void)
     void *load_base, *load_entry, *last_alloc, *load_end;
     uint32_t memsize, boot_image_size, cmdline_size, ramdisk_size;
     uint32_t boot_base, boot_nb;
-    int boot_device;
+    int boot_device, i;
+    static const uint32_t isa_base_tab[3] = {
+        0x80000000, /* PREP */
+        0xFE000000, /* Grackle (Heathrow) */
+        0xF2000000, /* UniNorth (Mac99)  */
+    };
 
     /* Retrieve NVRAM configuration */
- nvram_retry:
+    for(i = 0; i < 3; i++) {
+        isa_io_base = isa_base_tab[i];
     nvram = NVRAM_get_config(&memsize, &boot_device,
                              &boot_image, &boot_image_size,
                              &cmdline, &cmdline_size,
                              &ramdisk, &ramdisk_size);
-    if (nvram == NULL) {
-        /* Retry with another isa_io_base */
-        if (isa_io_base == 0x80000000) {
-            isa_io_base = 0xF2000000;
-            goto nvram_retry;
+        if (nvram)
+            break;
         }
+    if (i == 3) {
         ERROR("Unable to load configuration from NVRAM. Aborting...\n");
         return -1;
     }
@@ -402,7 +406,7 @@ int main (void)
         cpu_name = CPU_get_name(pvr);
         OF_register_cpu(cpu_name, 0, pvr,
                         200 * 1000 * 1000, 200 * 1000 * 1000,
-                        100 * 1000 * 1000, 10 * 1000 * 1000,
+                        100 * 1000 * 1000, 100 * 1000 * 1000,
                         0x0092);
     }
     OF_register_memory(memsize, 512 * 1024 /* TOFIX */);
@@ -433,9 +437,12 @@ int main (void)
     vga_puts(copyright);
     vga_puts("\n");
 
+#if 0
     /* QEMU is quite incoherent: d is cdrom, not second drive */
+    /* XXX: should probe CD-ROM position */
     if (boot_device == 'd')
         boot_device = 'e';
+#endif
     /* Open boot device */
     boot_part = bd_probe(boot_device);
     if (boot_device == 'm') {
diff --git a/src/nvram.c b/src/nvram.c
index 58d63df..c78a079 100644
--- a/src/nvram.c
+++ b/src/nvram.c
@@ -334,6 +334,7 @@ int NVRAM_format (nvram_t *nvram)
         ret = NVRAM_chrp_format(nvram);
         break;
     case ARCH_MAC99:
+    case ARCH_HEATHROW: /* XXX: may be incorrect */
         ret = NVRAM_mac99_format(nvram);
         break;
     case ARCH_POP:
@@ -409,13 +410,12 @@ nvram_t *NVRAM_get_config (uint32_t *RAM_size, int *boot_device,
         arch = ARCH_MAC99;
     } else if (strcmp(sign, "POP") == 0) {
         arch = ARCH_POP;
+    } else if (strcmp(sign, "HEATHROW") == 0) {
+        arch = ARCH_HEATHROW;
     } else {
         ERROR("Unknown PPC architecture: '%s'\n", sign);
         return NULL;
     }
-    /* HACK */
-    if (arch == ARCH_CHRP)
-        arch = ARCH_MAC99;
     lword = NVRAM_get_lword(nvram, 0x30);
     *RAM_size = lword;
     byte = NVRAM_get_byte(nvram, 0x34);
diff --git a/src/of.c b/src/of.c
index d1fc300..33582c3 100644
--- a/src/of.c
+++ b/src/of.c
@@ -489,7 +489,7 @@ static OF_node_t *OF_node_create (OF_env_t *env, OF_node_t *parent,
         ERROR("%s can't alloc new node '%s' name\n", __func__, name);
         return NULL;
     }
-    new->prop_address = OF_prop_int_new(env, new, "address", address);
+    new->prop_address = OF_prop_int_new(env, new, "unit-address", address);
     if (new->prop_address == NULL) {
         free(new->prop_name->value);
         free(new->prop_name);
@@ -1017,6 +1017,33 @@ static OF_prop_t *OF_prop_string_new (OF_env_t *env, OF_node_t *node,
                            string, strlen(string) + 1);
 }
 
+/* convert '\1' char to '\0' */
+static OF_prop_t *OF_prop_string_new1 (OF_env_t *env, OF_node_t *node,
+                                       const unsigned char *name,
+                                       const unsigned char *string)
+{
+    int len, i;
+    OF_prop_t *ret;
+    unsigned char *str;
+
+    if (strchr(string, '\1') == NULL) {
+        return OF_prop_string_new(env, node, name, string);
+    } else {
+        len = strlen(string) + 1;
+        str = malloc(len);
+        if (!str)
+            return NULL;
+        memcpy(str, string, len);
+        for(i = 0; i < len; i++)
+            if (str[i] == '\1')
+                str[i] = '\0';
+        ret = OF_property_new(env, node, name,
+                              str, len);
+        free(str);
+        return ret;
+    }
+}
+
 __attribute__ (( section (".OpenFirmware") ))
 static OF_prop_t *OF_prop_int_new (OF_env_t *env, OF_node_t *node,
                                    const unsigned char *name, uint32_t value)
@@ -1421,15 +1448,12 @@ static OF_env_t *OF_env_main;
 __attribute__ (( section (".OpenFirmware") ))
 int OF_init (void)
 {
-    const unsigned char compat_str[] =
 #if 0
         "PowerMac3,1\0MacRISC\0Power Macintosh\0";
         "PowerMac1,2\0MacRISC\0Power Macintosh\0";
         "AAPL,PowerMac G3\0PowerMac G3\0MacRISC\0Power Macintosh\0";
         "AAPL,PowerMac3,0\0MacRISC\0Power Macintosh\0";
         "AAPL,Gossamer\0MacRISC\0Power Macintosh\0";
-#else
-        "AAPL,PowerMac G3\0PowerMac G3\0MacRISC\0Power Macintosh\0";
 #endif
     OF_env_t *OF_env;
     OF_node_t *als, *opt, *chs, *pks;
@@ -1455,15 +1479,21 @@ int OF_init (void)
         return -1;
     }
     OF_prop_string_new(OF_env, OF_node_root, "device_type", "bootrom");
-#if 0
+    if (arch == ARCH_HEATHROW) {
+        const unsigned char compat_str[] =
+            "PowerMac1,1\0MacRISC\0Power Macintosh";
+        OF_property_new(OF_env, OF_node_root, "compatible",
+                        compat_str, sizeof(compat_str));
     OF_prop_string_new(OF_env, OF_node_root,
-                       "model", "PPC Open Hack'Ware " BIOS_VERSION);
-#else
-    OF_prop_string_new(OF_env, OF_node_root,
-                       "model", compat_str);
-#endif
+                           "model", "Power Macintosh");
+    } else {
+        const unsigned char compat_str[] =
+            "PowerMac3,1\0MacRISC\0Power Macintosh";
     OF_property_new(OF_env, OF_node_root, "compatible",
                     compat_str, sizeof(compat_str));
+        OF_prop_string_new(OF_env, OF_node_root,
+                           "model", "PowerMac3,1");
+    }
 #if 0
     OF_prop_string_new(OF_env, OF_node_root, "copyright", copyright);
 #else
@@ -1561,14 +1591,15 @@ int OF_init (void)
         range.size = 0x00800000;
         OF_property_new(OF_env, rom, "ranges", &range, sizeof(OF_range_t));
         OF_prop_int_new(OF_env, rom, "#address-cells", 1);
+
         /* "/rom/boot-rom@fff00000" node */
-        brom = OF_node_new(OF_env, OF_node_root, "boot-rom", 0xfff00000);
+        brom = OF_node_new(OF_env, rom, "boot-rom", 0xfff00000);
         if (brom == NULL) {
             ERROR("Cannot create 'boot-rom'\n");
             return -1;
         }
         regs.address = 0xFFF00000;
-        regs.size = 0x00010000;
+        regs.size = 0x00100000;
         OF_property_new(OF_env, brom, "reg", &regs, sizeof(OF_regprop_t));
         OF_prop_string_new(OF_env, brom, "write-characteristic", "flash");
         OF_prop_string_new(OF_env, brom, "BootROM-build-date",
@@ -1577,7 +1608,7 @@ int OF_init (void)
         OF_prop_string_new(OF_env, brom, "copyright", copyright);
         OF_prop_string_new(OF_env, brom, "model", BIOS_str);
         OF_prop_int_new(OF_env, brom, "result", 0);
-#if 0
+#if 1
         {
             /* Hack taken 'as-is' from PearPC */
             unsigned char info[] = {
@@ -1596,7 +1627,9 @@ int OF_init (void)
         OF_node_put(OF_env, brom);
         OF_node_put(OF_env, rom);
     }
+#if 0
     /* From here, hardcoded hacks to get a Mac-like machine */
+    /* XXX: Core99 does not seem to like this NVRAM tree */
     /* "/nvram@fff04000" node */
     {
         OF_regprop_t regs;
@@ -1617,6 +1650,7 @@ int OF_init (void)
         OF_prop_int_new(OF_env, chs, "nvram", OF_pack_handle(OF_env, nvr));
         OF_node_put(OF_env, nvr);
     }
+#endif
     /* "/pseudo-hid" : hid emulation as Apple does */
     {
         OF_node_t *hid;
@@ -1663,7 +1697,27 @@ int OF_init (void)
         }
         OF_node_put(OF_env, hid);
     }
+    if (arch == ARCH_MAC99) {
+        OF_node_t *unin;
+        OF_regprop_t regs;
 
+        unin = OF_node_new(OF_env, OF_node_root,
+                           "uni-n", 0xf8000000);
+        if (unin == NULL) {
+            ERROR("Cannot create 'uni-n'\n");
+            return -1;
+        }
+        OF_prop_string_new(OF_env, unin, "device-type", "memory-controller");
+        OF_prop_string_new(OF_env, unin, "model", "AAPL,UniNorth");
+        OF_prop_string_new(OF_env, unin, "compatible", "uni-north");
+        regs.address = 0xf8000000;
+        regs.size = 0x01000000;
+        OF_property_new(OF_env, unin, "reg", &regs, sizeof(regs));
+        OF_prop_int_new(OF_env, unin, "#address-cells", 1);
+        OF_prop_int_new(OF_env, unin, "#size-cells", 1);
+        OF_prop_int_new(OF_env, unin, "device-rev", 3);
+        OF_node_put(OF_env, unin);
+    }
     
 #if 1 /* This is mandatory for claim to work
        * but I don't know where it should really be (in cpu ?)
@@ -1693,7 +1747,9 @@ int OF_init (void)
 
     /* "/options/boot-args" node */
     {
-        const unsigned char *args = "-v rootdev cdrom";
+        //        const unsigned char *args = "-v rootdev cdrom";
+        //const unsigned char *args = "-v io=0xffffffff";
+        const unsigned char *args = "-v";
         /* Ask MacOS X to print debug messages */
         //        OF_prop_string_new(OF_env, chs, "machargs", args);
         //        OF_prop_string_new(OF_env, opt, "boot-command", args);
@@ -2013,17 +2069,17 @@ static void *OF_pci_device_new (OF_env_t *OF_env, OF_node_t *parent,
     OF_prop_int_new(OF_env, node, "min-grant", min_grant);
     OF_prop_int_new(OF_env, node, "max-latency", max_latency);
     if (dev->type != NULL)
-        OF_prop_string_new(OF_env, node, "device_type", dev->type);
+        OF_prop_string_new1(OF_env, node, "device_type", dev->type);
     if (dev->compat != NULL)
-        OF_prop_string_new(OF_env, node, "compatible", dev->compat);
+        OF_prop_string_new1(OF_env, node, "compatible", dev->compat);
     if (dev->model != NULL)
-        OF_prop_string_new(OF_env, node, "model", dev->model);
+        OF_prop_string_new1(OF_env, node, "model", dev->model);
     if (dev->acells != 0)
         OF_prop_int_new(OF_env, node, "#address-cells", dev->acells);
     if (dev->scells != 0)
-        OF_prop_int_new(OF_env, node, "#interrupt-cells", dev->acells);
+        OF_prop_int_new(OF_env, node, "#size-cells", dev->scells);
     if (dev->icells != 0)
-        OF_prop_int_new(OF_env, node, "#size-cells", dev->acells);
+        OF_prop_int_new(OF_env, node, "#interrupt-cells", dev->icells);
     dprintf("Done %p %p\n", parent, node);
     
     return node;
@@ -2040,8 +2096,9 @@ void *OF_register_pci_host (pci_dev_t *dev, uint16_t rev, uint32_t ccode,
     OF_env_t *OF_env;
     pci_range_t ranges[3];
     OF_regprop_t regs[1];
-    OF_node_t *pci_host;
+    OF_node_t *pci_host, *als;
     int nranges;
+    unsigned char buffer[OF_NAMELEN_MAX];
 
     OF_env = OF_env_main;
     dprintf("register PCI host '%s' '%s' '%s' '%s'\n",
@@ -2052,6 +2109,17 @@ void *OF_register_pci_host (pci_dev_t *dev, uint16_t rev, uint32_t ccode,
         ERROR("Cannot create pci host\n");
         return NULL;
     }
+    
+    als = OF_node_get(OF_env, "aliases");
+    if (als == NULL) {
+        ERROR("Cannot get 'aliases'\n");
+        return NULL;
+    }
+    sprintf(buffer, "/%s", dev->name);
+    OF_prop_string_set(OF_env, als, "pci", buffer);
+    OF_node_put(OF_env, als);
+    
+
     regs[0].address = cfg_base;
     regs[0].size = cfg_len;
     OF_property_new(OF_env, pci_host, "reg", regs, sizeof(OF_regprop_t));
@@ -2136,6 +2204,11 @@ void *OF_register_pci_device (void *parent, pci_dev_t *dev,
     return pci_dev;
 }
 
+/* XXX: suppress that, used for interrupt map init */
+OF_node_t *pci_host_node;
+uint32_t pci_host_interrupt_map[7 * 32];
+int pci_host_interrupt_map_len = 0;
+
 void OF_finalize_pci_host (void *dev, int first_bus, int nb_busses)
 {
     OF_env_t *OF_env;
@@ -2145,10 +2218,12 @@ void OF_finalize_pci_host (void *dev, int first_bus, int nb_busses)
     regs[0].address = first_bus;
     regs[0].size = nb_busses;
     OF_property_new(OF_env, dev, "bus-range", regs, sizeof(OF_regprop_t));
+    pci_host_node = dev;
 }
 
 void OF_finalize_pci_device (void *dev, uint8_t bus, uint8_t devfn,
-                             uint32_t *regions, uint32_t *sizes)
+                             uint32_t *regions, uint32_t *sizes,
+                             int irq_line)
 {
     OF_env_t *OF_env;
     pci_reg_prop_t pregs[6], rregs[6];
@@ -2156,6 +2231,7 @@ void OF_finalize_pci_device (void *dev, uint8_t bus, uint8_t devfn,
     int i, j, k;
 
     OF_env = OF_env_main;
+    /* XXX: only useful for VGA card in fact */
     if (regions[0] != 0x00000000)
         OF_prop_int_set(OF_env, dev, "address", regions[0] & ~0x0000000F);
     for (i = 0, j = 0, k = 0; i < 6; i++) {
@@ -2222,7 +2298,22 @@ void OF_finalize_pci_device (void *dev, uint8_t bus, uint8_t devfn,
     } else {
         OF_property_new(OF_env, dev, "assigned-addresses", NULL, 0);
     }
-#if 0
+    if (irq_line >= 0) {
+        int i;
+        OF_prop_int_new(OF_env, dev, "interrupts", 1);
+        i = pci_host_interrupt_map_len;
+        pci_host_interrupt_map[i++] = (devfn << 8) & 0xf800;
+        pci_host_interrupt_map[i++] = 0;
+        pci_host_interrupt_map[i++] = 0;
+        pci_host_interrupt_map[i++] = 0;
+        pci_host_interrupt_map[i++] = 0; /* pic handle will be patched later */
+        pci_host_interrupt_map[i++] = irq_line;
+        if (arch != ARCH_HEATHROW) {
+            pci_host_interrupt_map[i++] = 1;
+        }
+        pci_host_interrupt_map_len = i;
+    }
+#if 1
     {
         OF_prop_t *prop_name = ((OF_node_t *)dev)->prop_name;
 
@@ -2390,6 +2481,54 @@ int OF_register_stdio (const unsigned char *dev_in,
     return 0;
 }
 
+static void keylargo_ata(OF_node_t *mio, uint32_t base_address,
+                         uint32_t base, int irq1, int irq2, 
+                         uint16_t pic_phandle)
+{
+    OF_env_t *OF_env = OF_env_main;
+    OF_node_t *ata;
+    OF_regprop_t regs[2];
+
+    ata = OF_node_new(OF_env, mio, "ata-4", base);
+    if (ata == NULL) {
+        ERROR("Cannot create 'ata-4'\n");
+        return;
+    }
+    OF_prop_string_new(OF_env, ata, "device_type", "ata");
+#if 1
+    OF_prop_string_new(OF_env, ata, "compatible", "key2largo-ata");
+    OF_prop_string_new(OF_env, ata, "model", "ata-4");
+    OF_prop_string_new(OF_env, ata, "cable-type", "80-conductor");
+#else
+    OF_prop_string_new(OF_env, ata, "compatible", "cmd646-ata");
+    OF_prop_string_new(OF_env, ata, "model", "ata-4");
+#endif
+    OF_prop_int_new(OF_env, ata, "#address-cells", 1);
+    OF_prop_int_new(OF_env, ata, "#size-cells", 0);
+    regs[0].address = base;
+    regs[0].size = 0x00001000;
+#if 0 // HACK: Don't set up DMA registers
+    regs[1].address = 0x00008A00;
+    regs[1].size = 0x00001000;
+    OF_property_new(OF_env, ata, "reg",
+                    regs, 2 * sizeof(OF_regprop_t));
+#else
+    OF_property_new(OF_env, ata, "reg",
+                    regs, sizeof(OF_regprop_t));
+#endif
+    OF_prop_int_new(OF_env, ata, "interrupt-parent", pic_phandle);
+    regs[0].address = irq1;
+    regs[0].size = 0x00000001;
+    regs[1].address = irq2;
+    regs[1].size = 0x00000000;
+    OF_property_new(OF_env, ata, "interrupts",
+                    regs, 2 * sizeof(OF_regprop_t));
+    if (base == 0x1f000)
+        ide_pci_pmac_register(base_address + base, 0x00000000, ata);
+    else
+        ide_pci_pmac_register(0x00000000, base_address + base, ata);
+}
+
 void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
                             void *private_data)
 {
@@ -2398,6 +2537,8 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
     pci_reg_prop_t pregs[2];
     OF_node_t *mio, *chs, *als;
     uint16_t pic_phandle;
+    int rec_len;
+    OF_prop_t *mio_reg;
 
     OF_DPRINTF("mac-io: %p\n", dev);
     OF_env = OF_env_main;
@@ -2416,10 +2557,14 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
     mio = dev;
     mio->private_data = private_data;
     pregs[0].addr.hi = 0x00000000;
-    pregs[0].addr.mid = 0x82013810;
+    pregs[0].addr.mid = 0x00000000;
     pregs[0].addr.lo = 0x00000000;
     pregs[0].size_hi = base_address;
     pregs[0].size_lo = size;
+    mio_reg = OF_property_get(OF_env, mio, "reg");
+    if (mio_reg && mio_reg->vlen >= 5 * 4) {
+        pregs[0].addr.mid = ((pci_reg_prop_t *)mio_reg->value)->addr.hi;
+    }
     OF_property_new(OF_env, mio, "ranges",
                     &pregs, sizeof(pci_reg_prop_t));
 #if 0
@@ -2431,8 +2576,32 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
     OF_property_new(OF_env, mio, "assigned-addresses",
                     &pregs, sizeof(pci_reg_prop_t));
 #endif
+
+    if (arch == ARCH_HEATHROW) {
+        /* Heathrow PIC */
+        OF_regprop_t regs;
+        OF_node_t *mpic;
+        const char compat_str[] = "heathrow\0mac-risc";
+
+        mpic = OF_node_new(OF_env, mio, "interrupt-controller", 0x10);
+        if (mpic == NULL) {
+            ERROR("Cannot create 'mpic'\n");
+            goto out;
+        }
+        OF_prop_string_new(OF_env, mpic, "device_type", "interrupt-controller");
+        OF_property_new(OF_env, mpic, "compatible", compat_str, sizeof(compat_str));
+        OF_prop_int_new(OF_env, mpic, "#interrupt-cells", 1);
+        regs.address = 0x10;
+        regs.size = 0x20;
+        OF_property_new(OF_env, mpic, "reg",
+                        &regs, sizeof(regs));
+        OF_property_new(OF_env, mpic, "interrupt-controller", NULL, 0);
+        pic_phandle = OF_pack_handle(OF_env, mpic);
+        OF_prop_int_new(OF_env, chs, "interrupt-controller", pic_phandle);
+        OF_node_put(OF_env, mpic);
+        rec_len = 6;
+    } else {
     /* OpenPIC */
-    {
         OF_regprop_t regs[4];
         OF_node_t *mpic;
         mpic = OF_node_new(OF_env, mio, "interrupt-controller", 0x40000);
@@ -2455,8 +2624,37 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
         pic_phandle = OF_pack_handle(OF_env, mpic);
         OF_prop_int_new(OF_env, chs, "interrupt-controller", pic_phandle);
         OF_node_put(OF_env, mpic);
+        rec_len = 7;
     }
-#if 1
+
+    /* patch pci host table */
+    /* XXX: do it after the PCI init */
+    {
+        int i;
+        uint32_t tab[4];
+
+        for(i = 0; i < pci_host_interrupt_map_len; i += rec_len)
+            pci_host_interrupt_map[i + 4] = pic_phandle;
+#if 0
+        dprintf("interrupt-map:\n");
+        for(i = 0; i < pci_host_interrupt_map_len; i++) {
+            dprintf(" %08x", pci_host_interrupt_map[i]);
+            if ((i % rec_len) == (rec_len - 1))
+                dprintf("\n");
+        }
+        dprintf("\n");
+#endif
+        OF_property_new(OF_env, pci_host_node, "interrupt-map", 
+                        pci_host_interrupt_map, 
+                        pci_host_interrupt_map_len * sizeof(uint32_t));
+        tab[0] = 0xf800;
+        tab[1] = 0;
+        tab[2] = 0;
+        tab[3] = 0;
+        OF_property_new(OF_env, pci_host_node, "interrupt-map-mask", 
+                        tab, 4 * sizeof(uint32_t));
+    }
+#if 0
     /* escc is useful to get MacOS X debug messages */
     {
         OF_regprop_t regs[8];
@@ -2645,85 +2843,12 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
         OF_node_put(OF_env, scc);
     }
 #endif
-    /* IDE controller */
-    {
-        OF_node_t *ata;
-        OF_regprop_t regs[2];
-        ata = OF_node_new(OF_env, mio, "ata-4", 0x1f000);
-        if (ata == NULL) {
-            ERROR("Cannot create 'ata-4'\n");
-            goto out;
-        }
-        OF_prop_string_new(OF_env, ata, "device_type", "ata");
-#if 1
-        OF_prop_string_new(OF_env, ata, "compatible", "keylargo-ata");
-        OF_prop_string_new(OF_env, ata, "model", "ata-4");
-#else
-        OF_prop_string_new(OF_env, ata, "compatible", "cmd646-ata");
-        OF_prop_string_new(OF_env, ata, "model", "ata-4");
-#endif
-        OF_prop_int_new(OF_env, ata, "#address-cells", 1);
-        OF_prop_int_new(OF_env, ata, "#size-cells", 0);
-        regs[0].address = 0x0001F000;
-        regs[0].size = 0x00001000;
-#if 0 // HACK: Don't set up DMA registers
-        regs[1].address = 0x00008A00;
-        regs[1].size = 0x00001000;
-        OF_property_new(OF_env, ata, "reg",
-                        regs, 2 * sizeof(OF_regprop_t));
-#else
-        OF_property_new(OF_env, ata, "reg",
-                        regs, sizeof(OF_regprop_t));
-#endif
-        OF_prop_int_new(OF_env, ata, "interrupt-parent", pic_phandle);
-        regs[0].address = 0x00000013;
-        regs[0].size = 0x00000001;
-        regs[1].address = 0x0000000B;
-        regs[1].size = 0x00000000;
-        OF_property_new(OF_env, ata, "interrupts",
-                        regs, 2 * sizeof(OF_regprop_t));
-        ide_pci_pmac_register(base_address + 0x1f000, 0x00000000, ata);
-
-    }
-    {
-        OF_node_t *ata;
-        OF_regprop_t regs[2];
-        ata = OF_node_new(OF_env, mio, "ata-4", 0x20000);
-        if (ata == NULL) {
-            ERROR("Cannot create 'ata-4'\n");
-            goto out;
-        }
-        OF_prop_string_new(OF_env, ata, "device_type", "ata");
-#if 1
-        OF_prop_string_new(OF_env, ata, "compatible", "keylargo-ata");
-        OF_prop_string_new(OF_env, ata, "model", "ata-4");
-#else
-        OF_prop_string_new(OF_env, ata, "compatible", "cmd646-ata");
-        OF_prop_string_new(OF_env, ata, "model", "ata-4");
-#endif
-        OF_prop_int_new(OF_env, ata, "#address-cells", 1);
-        OF_prop_int_new(OF_env, ata, "#size-cells", 0);
-        regs[0].address = 0x00020000;
-        regs[0].size = 0x00001000;
-#if 0 // HACK: Don't set up DMA registers
-        regs[1].address = 0x00008A00;
-        regs[1].size = 0x00001000;
-        OF_property_new(OF_env, ata, "reg",
-                        regs, 2 * sizeof(OF_regprop_t));
-#else
-        OF_property_new(OF_env, ata, "reg",
-                        regs, sizeof(OF_regprop_t));
-#endif
-        OF_prop_int_new(OF_env, ata, "interrupt-parent", pic_phandle);
-        regs[0].address = 0x00000014;
-        regs[0].size = 0x00000001;
-        regs[1].address = 0x0000000B;
-        regs[1].size = 0x00000000;
-        OF_property_new(OF_env, ata, "interrupts",
-                        regs, 2 * sizeof(OF_regprop_t));
-        ide_pci_pmac_register(0x00000000, base_address + 0x20000, ata);
-
+    /* Keylargo IDE controller: need some work (DMA problem ?) */
+    if (arch == ARCH_MAC99) {
+        keylargo_ata(mio, base_address, 0x1f000, 0x13, 0xb, pic_phandle);
+        keylargo_ata(mio, base_address, 0x20000, 0x14, 0xb, pic_phandle);
     }
+#if 0
     /* Timer */
     {
         OF_node_t *tmr;
@@ -2746,10 +2871,11 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
                         regs, sizeof(OF_regprop_t));
         OF_node_put(OF_env, tmr);
     }
+#endif
     /* VIA-PMU */
     {
         /* Controls adb, RTC and power-mgt (forget it !) */
-        OF_node_t *via, *adb, *rtc;
+        OF_node_t *via, *adb;
         OF_regprop_t regs[1];
 #if 0 // THIS IS A HACK AND IS COMPLETELY ABSURD !
       // (but needed has Qemu doesn't emulate via-pmu).
@@ -2773,14 +2899,21 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
         regs[0].size = 0x00002000;
         OF_property_new(OF_env, via, "reg", regs, sizeof(OF_regprop_t));
         OF_prop_int_new(OF_env, via, "interrupt-parent", pic_phandle);
+        if (arch == ARCH_HEATHROW) {
+            OF_prop_int_new(OF_env, via, "interrupts", 0x12);
+        } else {
         regs[0].address = 0x00000019;
         regs[0].size = 0x00000001;
         OF_property_new(OF_env, via, "interrupts",
                         regs, sizeof(OF_regprop_t));
+        }
+        /* force usage of OF bus speeds */
+        OF_prop_int_new(OF_env, via, "BusSpeedCorrect", 1);
 #if 0
         OF_prop_int_new(OF_env, via, "pmu-version", 0x00D0740C);
 #endif
-#if 1
+        {
+            OF_node_t *kbd, *mouse;
         /* ADB pseudo-device */
         adb = OF_node_new(OF_env, via, "adb", OF_ADDRESS_NONE);
         if (adb == NULL) {
@@ -2797,9 +2930,26 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
         OF_prop_int_new(OF_env, adb, "#size-cells", 0);
         OF_pack_get_path(OF_env, tmp, 512, adb);
         OF_prop_string_new(OF_env, als, "adb", tmp);
-        /* XXX: add "keyboard@2" and "mouse@3" */
-        OF_node_put(OF_env, adb);
-#endif
+
+            kbd = OF_node_new(OF_env, adb, "keyboard", 2);
+            if (kbd == NULL) {
+                ERROR("Cannot create 'kbd'\n");
+                goto out;
+            }
+            OF_prop_string_new(OF_env, kbd, "device_type", "keyboard");
+            OF_prop_int_new(OF_env, kbd, "reg", 2);
+
+            mouse = OF_node_new(OF_env, adb, "mouse", 3);
+            if (mouse == NULL) {
+                ERROR("Cannot create 'mouse'\n");
+                goto out;
+            }
+            OF_prop_string_new(OF_env, mouse, "device_type", "mouse");
+            OF_prop_int_new(OF_env, mouse, "reg", 3);
+            OF_prop_int_new(OF_env, mouse, "#buttons", 3);
+        }
+        {
+            OF_node_t *rtc;
         
         rtc = OF_node_new(OF_env, via, "rtc", OF_ADDRESS_NONE);
         if (rtc == NULL) {
@@ -2813,14 +2963,68 @@ void OF_finalize_pci_macio (void *dev, uint32_t base_address, uint32_t size,
         OF_prop_string_new(OF_env, rtc, "compatible", "rtc");
 #endif
         OF_node_put(OF_env, rtc);
-        OF_node_put(OF_env, via);
     }
+        //        OF_node_put(OF_env, via);
+    }
+    {
+        OF_node_t *pmgt;
+        pmgt = OF_node_new(OF_env, mio, "power-mgt", OF_ADDRESS_NONE);
+        OF_prop_string_new(OF_env, pmgt, "device_type", "power-mgt");
+        OF_prop_string_new(OF_env, pmgt, "compatible", "cuda");
+        OF_prop_string_new(OF_env, pmgt, "mgt-kind", "min-consumption-pwm-led");
+        OF_node_put(OF_env, pmgt);
+    }
+
+    if (arch == ARCH_HEATHROW) {
+        /* NVRAM */
+        OF_node_t *nvr;
+        OF_regprop_t regs;
+        nvr = OF_node_new(OF_env, mio, "nvram", 0x60000);
+        OF_prop_string_new(OF_env, nvr, "device_type", "nvram");
+        regs.address = 0x60000;
+        regs.size = 0x00020000;
+        OF_property_new(OF_env, nvr, "reg", &regs, sizeof(regs));
+        OF_prop_int_new(OF_env, nvr, "#bytes", 0x2000);
+        OF_node_put(OF_env, nvr);
+    }
+
  out:
     //    OF_node_put(OF_env, mio);
     OF_node_put(OF_env, chs);
     OF_node_put(OF_env, als);
 }
 
+void OF_finalize_pci_ide (void *dev, 
+                          uint32_t io_base0, uint32_t io_base1,
+                          uint32_t io_base2, uint32_t io_base3)
+{
+    OF_env_t *OF_env = OF_env_main;
+    OF_node_t *pci_ata = dev;
+    OF_node_t *ata, *atas[2];
+    int i;
+
+    OF_prop_int_new(OF_env, pci_ata, "#address-cells", 1);
+    OF_prop_int_new(OF_env, pci_ata, "#size-cells", 0);
+
+    /* XXX: Darwin handles only one device */
+    for(i = 0; i < 1; i++) {
+        ata = OF_node_new(OF_env, pci_ata, "ata-4", i);
+        if (ata == NULL) {
+            ERROR("Cannot create 'ata-4'\n");
+            return;
+        }
+        OF_prop_string_new(OF_env, ata, "device_type", "ata");
+        OF_prop_string_new(OF_env, ata, "compatible", "cmd646-ata");
+        OF_prop_string_new(OF_env, ata, "model", "ata-4");
+        OF_prop_int_new(OF_env, ata, "#address-cells", 1);
+        OF_prop_int_new(OF_env, ata, "#size-cells", 0);
+        OF_prop_int_new(OF_env, ata, "reg", i);
+        atas[i] = ata;
+    }
+    ide_pci_pc_register(io_base0, io_base1, io_base2, io_base3,
+                        atas[0], atas[1]);
+}
+
 /*****************************************************************************/
 /* Fake package */
 static void OF_method_fake (OF_env_t *OF_env)
@@ -2862,11 +3066,11 @@ static void OF_mmu_map (OF_env_t *OF_env)
     /* As we get a 1:1 mapping, do nothing */
     ihandle = popd(OF_env);
     args = (void *)popd(OF_env);
-    address = popd(OF_env);
-    virt = popd(OF_env);
-    size = popd(OF_env);
     popd(OF_env);
-    OF_DPRINTF("Translate address %0x %0x %0x %0x\n", ihandle, address,
+    size = popd(OF_env);
+    virt = popd(OF_env);
+    address = popd(OF_env);
+    OF_DPRINTF("Map %0x %0x %0x %0x\n", ihandle, address,
                virt, size);
     pushd(OF_env, 0);
 }
@@ -3270,7 +3474,7 @@ void *OF_blockdev_register (void *parent, void *private,
     OF_prop_string_new(OF_env, dsk, "device_type", "block");
     OF_prop_string_new(OF_env, dsk, "category", type);
     OF_prop_int_new(OF_env, dsk, "device_id", devnum);
-    OF_prop_int_new(OF_env, dsk, "reg", 0);
+    OF_prop_int_new(OF_env, dsk, "reg", devnum);
     OF_method_new(OF_env, dsk, "open", &OF_blockdev_open);
     OF_method_new(OF_env, dsk, "seek", &OF_blockdev_seek);
     OF_method_new(OF_env, dsk, "read", &OF_blockdev_read);
@@ -3432,7 +3636,8 @@ static void OF_vga_set_depth (OF_env_t *OF_env, OF_prop_t *prop,
 }
 
 void OF_vga_register (const unsigned char *name, unused uint32_t address,
-                      int width, int height, int depth)
+                      int width, int height, int depth,
+                      unsigned long vga_bios_addr, unsigned long vga_bios_size)
 {
     OF_env_t *OF_env;
     unsigned char tmp[OF_NAMELEN_MAX];
@@ -3504,6 +3709,18 @@ void OF_vga_register (const unsigned char *name, unused uint32_t address,
     OF_prop_string_new(OF_env, als, "display", tmp);
     OF_node_put(OF_env, als);
     /* XXX: may also need read-rectangle */
+
+    if (vga_bios_size >= 8) {
+        const uint8_t *p;
+        int size;
+        /* check the QEMU VGA BIOS header */
+        p = (const uint8_t *)vga_bios_addr;
+        if (p[0] == 'N' && p[1] == 'D' && p[2] == 'R' && p[3] == 'V') {
+            size = *(uint32_t *)(p + 4);
+            OF_property_new(OF_env, disp, "driver,AAPL,MacOS,PowerPC", 
+                            p + 8, size);
+        }
+    }
  out:
     OF_node_put(OF_env, disp);
 }
@@ -4451,7 +4668,10 @@ static void OF_interpret (OF_env_t *OF_env)
         break;
     case 0x233441d3: /* MacOS X 10.2 and OpenDarwin 1.41 */
         /* Create "memory-map" pseudo device */
-        popd(OF_env);
+        {
+            OF_node_t *map;
+            uint32_t phandle;
+
         /* Find "/packages" */
         chs = OF_pack_find_by_name(OF_env, OF_node_root, "/chosen");
         if (chs == NULL) {
@@ -4459,10 +4679,6 @@ static void OF_interpret (OF_env_t *OF_env)
             ERROR("Cannot get '/chosen'\n");
             break;
         }
-        {
-#if 1
-            OF_node_t *map;
-            uint32_t phandle;
             map = OF_node_new(OF_env, chs, "memory-map", OF_ADDRESS_NONE);
             if (map == NULL) {
                 pushd(OF_env, -1);
@@ -4473,11 +4689,8 @@ static void OF_interpret (OF_env_t *OF_env)
             OF_node_put(OF_env, map);
             OF_node_put(OF_env, chs);
             pushd(OF_env, phandle);
-        }
-#else
-        pushd(OF_env, 0);
-#endif
         pushd(OF_env, 0);
+        }
         break;
     case 0x32a2d18e: /* MacOS X 10.2 and OpenDarwin 6.02 */
         /* Return screen ihandle */
@@ -4540,9 +4753,10 @@ static void OF_interpret (OF_env_t *OF_env)
     case 0x4ad41f2d:
         /* Yaboot: wait 10 ms: sure ! */
         break;
+
     default:
         /* ERROR */
-        printf("Script:\n%s\n", FString);
+        printf("Script: len=%d\n%s\n", (int)strlen(FString), FString);
         printf("Call %0x NOT IMPLEMENTED !\n", crc);
         bug();
         break;
@@ -4581,6 +4795,7 @@ static void OF_quiesce (OF_env_t *OF_env)
 {
     OF_CHECK_NBARGS(OF_env, 0);
     /* Should free all OF resources */
+    bd_reset_all();
 #if defined (DEBUG_BIOS)
     {
         uint16_t loglevel = 0x02 | 0x10 | 0x80;
diff --git a/src/pci.c b/src/pci.c
index 10e6eb3..38aad27 100644
--- a/src/pci.c
+++ b/src/pci.c
@@ -99,8 +99,8 @@ struct pci_device_t {
     uint16_t min_grant;
     uint16_t max_latency;
     uint8_t  irq_line;
-    uint32_t regions[6];
-    uint32_t sizes[6];
+    uint32_t regions[7]; /* the region 6 is the PCI ROM */
+    uint32_t sizes[7];
     pci_device_t *next;
 };
 
@@ -158,6 +158,7 @@ struct pci_ops_t {
 
 /* IRQ numbers assigned to PCI IRQs */
 static uint8_t prep_pci_irqs[4] = { 9, 11, 9, 11 };
+static uint8_t heathrow_pci_irqs[4] = { 0x15, 0x16, 0x17, 0x18 };
 static uint8_t pmac_pci_irqs[4] = { 8, 9, 10, 11 };
 
 /* PREP PCI host */
@@ -399,6 +400,79 @@ static pci_ops_t uninorth_pci_ops = {
     &uninorth_config_readl, &uninorth_config_writel,
 };
 
+/* Grackle PCI host */
+
+static uint32_t grackle_cfg_address (pci_bridge_t *bridge,
+                                     uint8_t bus, uint8_t devfn,
+                                     uint8_t offset)
+{
+    uint32_t addr;
+    addr = 0x80000000 | (bus << 16) | (devfn << 8) | (offset & 0xfc);
+    stswap32((uint32_t *)bridge->cfg_addr, addr);
+    return bridge->cfg_data + (offset & 3);
+}
+
+static uint8_t grackle_config_readb (pci_bridge_t *bridge,
+                                      uint8_t bus, uint8_t devfn,
+                                      uint8_t offset)
+{
+    uint32_t addr;
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    return *((uint8_t *)addr);
+}
+
+static void grackle_config_writeb (pci_bridge_t *bridge,
+                                    uint8_t bus, uint8_t devfn,
+                                    uint8_t offset, uint8_t val)
+{
+    uint32_t addr;
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    *((uint8_t *)addr) = val;
+}
+
+static uint16_t grackle_config_readw (pci_bridge_t *bridge,
+                                       uint8_t bus, uint8_t devfn,
+                                       uint8_t offset)
+{
+    uint32_t addr;
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    return ldswap16((uint16_t *)addr);
+}
+
+static void grackle_config_writew (pci_bridge_t *bridge,
+                                    uint8_t bus, uint8_t devfn,
+                                    uint8_t offset, uint16_t val)
+{
+    uint32_t addr;
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    stswap16((uint16_t *)addr, val);
+}
+
+static uint32_t grackle_config_readl (pci_bridge_t *bridge,
+                                       uint8_t bus, uint8_t devfn,
+                                       uint8_t offset)
+{
+    uint32_t addr;
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    return ldswap32((uint32_t *)addr);
+}
+
+static void grackle_config_writel (pci_bridge_t *bridge,
+                                    uint8_t bus, uint8_t devfn,
+                                    uint8_t offset, uint32_t val)
+{
+    uint32_t addr;
+
+    addr = grackle_cfg_address(bridge, bus, devfn, offset);
+    stswap32((uint32_t *)addr, val);
+}
+
+static pci_ops_t grackle_pci_ops = {
+    &grackle_config_readb, &grackle_config_writeb,
+    &grackle_config_readw, &grackle_config_writew,
+    &grackle_config_readl, &grackle_config_writel,
+};
+
 static inline uint8_t pci_config_readb (pci_bridge_t *bridge,
                                         uint8_t bus, uint8_t devfn,
                                         uint8_t offset)
@@ -466,12 +540,22 @@ static pci_subclass_t undef_subclass[] = {
     },
 };
 
+static int ide_config_cb2 (pci_device_t *device)
+{
+    OF_finalize_pci_ide(device->common.OF_private,
+                        device->regions[0] & ~0x0000000F,
+                        device->regions[1] & ~0x0000000F,
+                        device->regions[2] & ~0x0000000F,
+                        device->regions[3] & ~0x0000000F);
+    return 0;
+}
+
 static pci_dev_t ide_devices[] = {
     {
-        0x8086, 0x0100,
-        NULL, "Qemu IDE", "Qemu IDE",    "ide",
+        0x1095, 0x0646, /* CMD646 IDE controller */
+        "pci-ide", "pci-ata", NULL, NULL,
         0, 0, 0,
-        NULL, NULL,
+        ide_config_cb2, NULL,
     },
     {
         0xFFFF, 0xFFFF,
@@ -481,7 +565,9 @@ static pci_dev_t ide_devices[] = {
     },
 };
 
-static int ide_config_cb (pci_device_t *device)
+#if 0
+/* should base it on PCI ID, not on arch */
+static int ide_config_cb (unused pci_device_t *device)
 {
     printf("Register IDE controller\n");
     switch (arch) {
@@ -491,14 +577,8 @@ static int ide_config_cb (pci_device_t *device)
                               device->common.OF_private);
         break;
     default:
-        ide_pci_pc_register(device->regions[0] & ~0x0000000F,
-                            device->regions[1] & ~0x0000000F,
-                            device->regions[2] & ~0x0000000F,
-                            device->regions[3] & ~0x0000000F,
-                            device->common.OF_private);
         break;
     }
-
     return 0;
 }
 
@@ -512,16 +592,12 @@ static int ata_config_cb (pci_device_t *device)
                               device->common.OF_private);
         break;
     default:
-        ide_pci_pc_register(device->regions[0] & ~0x0000000F,
-                            device->regions[1] & ~0x0000000F,
-                            device->regions[2] & ~0x0000000F,
-                            device->regions[3] & ~0x0000000F,
-                            device->common.OF_private);
         break;
     }
 
     return 0;
 }
+#endif
 
 static pci_subclass_t mass_subclass[] = {
     {
@@ -530,7 +606,7 @@ static pci_subclass_t mass_subclass[] = {
     },
     {
         0x01, "IDE controller",             "ide", ide_devices, NULL,
-        &ide_config_cb, NULL,
+        NULL, NULL,
     },
     {
         0x02, "Floppy disk controller",     NULL,  NULL, NULL,
@@ -546,7 +622,7 @@ static pci_subclass_t mass_subclass[] = {
     },
     {
         0x05, "ATA controller",             "ata", NULL, NULL,
-        &ata_config_cb, NULL,
+        NULL, NULL,
     },
     {
         0x80, "misc mass-storage controller", NULL, NULL, NULL,
@@ -646,7 +722,9 @@ static int vga_config_cb (pci_device_t *device)
         /* VGA 640x480x16 */
         OF_vga_register(device->common.device->name,
                         device->regions[0] & ~0x0000000F,
-                        vga_width, vga_height, vga_depth);
+                        vga_width, vga_height, vga_depth,
+                        device->regions[6] & ~0x0000000F,
+                        device->sizes[6]);
     }
     vga_console_register();
 
@@ -750,6 +828,13 @@ static pci_dev_t PREP_fake_bridge = {
     NULL, &PREP_pci_ops,
 };
 
+pci_dev_t grackle_fake_bridge = {
+    0xFFFF, 0xFFFF,
+    "pci", "pci-bridge", "DEC,21154", "DEC,21154.pci-bridge",
+    -1, -1, -1,
+    NULL, &grackle_pci_ops,
+};
+
 static pci_dev_t hbrg_devices[] = {
     {
         0x106B, 0x0020, NULL,
@@ -758,8 +843,8 @@ static pci_dev_t hbrg_devices[] = {
         NULL, &uninorth_agp_fake_bridge,
     },
     {
-        0x106B, 0x001F,
-        NULL, "pci", "AAPL,UniNorth", "uni-north",
+        0x106B, 0x001F, NULL, 
+        "pci", "AAPL,UniNorth", "uni-north",
         3, 2, 1,
         NULL, &uninorth_fake_bridge,
     },
@@ -770,10 +855,10 @@ static pci_dev_t hbrg_devices[] = {
         NULL, &uninorth_fake_bridge,
     },
     {
-        0x1011, 0x0026, NULL,
-        "pci-bridge", NULL, NULL,
+        0x1057, 0x0002, "pci",
+        "pci", "MOT,MPC106", "grackle",
         3, 2, 1,
-        NULL, &PREP_pci_ops,
+        NULL, &grackle_fake_bridge,
     },
     {
         0x1057, 0x4801, NULL,
@@ -1443,7 +1528,14 @@ static int macio_config_cb (pci_device_t *device)
 }
 
 static const pci_dev_t misc_pci[] = {
-    /* Apple Mac-io controller */
+    /* Paddington Mac I/O */
+    { 
+        0x106B, 0x0017,
+        "mac-io", "mac-io", "AAPL,343S1211", "paddington\1heathrow",
+        1, 1, 1,
+        &macio_config_cb, NULL,
+    },
+    /* KeyLargo Mac I/O */
     { 
         0x106B, 0x0022,
         "mac-io", "mac-io", "AAPL,Keylargo", "Keylargo",
@@ -1599,7 +1691,7 @@ static inline void pci_update_device (pci_bridge_t *bridge,
                                       uint8_t min_grant, uint8_t max_latency,
                                       int irq_line)
 {
-    uint32_t cmd;
+    uint32_t cmd, addr;
     int i;
 
     device->min_grant = min_grant;
@@ -1611,22 +1703,28 @@ static inline void pci_update_device (pci_bridge_t *bridge,
         printf("MAP PCI device %d:%d to IRQ %d\n",
                device->bus, device->devfn, irq_line);
     }
-    for (i = 0; i < 6; i++) {
+    for (i = 0; i < 7; i++) {
         if ((device->regions[i] & ~0xF) != 0x00000000 &&
             (device->regions[i] & ~0xF) != 0xFFFFFFF0) {
             printf("Map PCI device %d:%d %d to %0x %0x (%s)\n",
                    device->bus, device->devfn, i,
                    device->regions[i], device->sizes[i],
-                   device->regions[i] & 0x00000001 ? "I/O" : "memory");
+                   (device->regions[i] & 0x00000001) && i != 6 ? "I/O" : 
+                    "memory");
+            if (i != 6) {
             cmd = pci_config_readl(bridge, device->bus, device->devfn, 0x04);
             if (device->regions[i] & 0x00000001)
                 cmd |= 0x00000001;
             else
                 cmd |= 0x00000002;
             pci_config_writel(bridge, device->bus, device->devfn, 0x04, cmd);
+            }
+            if (i == 6)
+                addr = 0x30; /* PCI ROM */
+            else
+                addr = 0x10 + (i * sizeof(uint32_t));
             pci_config_writel(bridge, device->bus, device->devfn,
-                              0x10 + (i * sizeof(uint32_t)),
-                              device->regions[i]);
+                              addr, device->regions[i]);
         }
     }
 }
@@ -1900,7 +1998,7 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
         goto out;
     }
     ret = (pci_u_t *)newd;
-    max_areas = 6;
+    max_areas = 7;
     /* register PCI device in OF tree */
     if (bridge->dev.common.type == PCI_FAKE_BRIDGE) {
         newd->common.OF_private =
@@ -1927,6 +2025,9 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
             /* Handle 64 bits memory mapping */
             continue;
         }
+        if (i == 6)
+            addr = 0x30; /* PCI ROM */
+        else
         addr = 0x10 + (i * sizeof(uint32_t));
         /* Get region size
          * Note: we assume it's always a power of 2
@@ -1935,7 +2036,7 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
         smask = pci_config_readl(bridge, bus, devfn, addr);
         if (smask == 0x00000000 || smask == 0xFFFFFFFF)
             continue;
-        if (smask & 0x00000001) {
+        if ((smask & 0x00000001) != 0 && i != 6) {
             /* I/O space */
             base = io_base;
             /* Align to a minimum of 256 bytes (arbitrary) */
@@ -1947,6 +2048,8 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
             /* Align to a minimum of 64 kB (arbitrary) */
             min_align = 1 << 16;
             amask = 0x0000000F;
+            if (i == 6)
+                smask |= 1; /* PCI ROM enable */
         }
         omask = smask & amask;
         smask &= ~amask;
@@ -1980,7 +2083,10 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
     if (irq_pin > 0) {
         /* assign the IRQ */
         irq_pin = ((devfn >> 3) + irq_pin - 1) & 3;
-        if (arch == ARCH_PREP) {
+        /* XXX: should base it on the PCI bridge type, not the arch */
+        switch(arch) {
+        case ARCH_PREP:
+            {
             int elcr_port, val;
             irq_line = prep_pci_irqs[irq_pin];
             /* set the IRQ to level-sensitive */
@@ -1988,14 +2094,22 @@ static pci_u_t *pci_check_device (pci_host_t **hostp, pci_host_t **phost,
             val = inb(elcr_port);
             val |= 1 << (irq_line & 7);
             outb(elcr_port, val);
-        } else {
+            }
+            break;
+        case ARCH_MAC99:
             irq_line = pmac_pci_irqs[irq_pin];
+            break;
+        case ARCH_HEATHROW:
+            irq_line = heathrow_pci_irqs[irq_pin];
+            break;
+        default:
+            break;
         }
     }
  update_device:
     pci_update_device(bridge, newd, min_grant, max_latency, irq_line);
     OF_finalize_pci_device(newd->common.OF_private, bus, devfn,
-                           newd->regions, newd->sizes);
+                           newd->regions, newd->sizes, irq_line);
     /* Call special inits if needed */
     if (dev->config_cb != NULL)
         (*dev->config_cb)(newd);
@@ -2049,6 +2163,32 @@ static int pci_check_host (pci_host_t **hostp,
     case ARCH_CHRP:
         /* TODO */
         break;
+    case ARCH_HEATHROW:
+        dev = pci_find_device(0x06, 0x00, 0xFF, checkv, checkp);
+        if (dev == NULL)
+            return -1;
+        fake_host = pci_add_host(hostp, dev,
+                                 (0x06 << 24) | (0x00 << 16) | (0xFF << 8));
+        if (fake_host == NULL)
+            return -1;
+        fake_host->dev.common.type = PCI_FAKE_HOST;
+        dev = &grackle_fake_bridge;
+        if (dev == NULL)
+            goto free_fake_host;
+        fake_bridge = pci_add_bridge(fake_host, 0, 0, dev,
+                                     (0x06 << 24) | (0x04 << 16) | (0xFF << 8),
+                                     cfg_base, cfg_len,
+                                     cfg_base + 0x7ec00000,
+                                     cfg_base + 0x7ee00000,
+                                     mem_base, mem_len,
+                                     io_base, io_len,
+                                     rbase, rlen,
+                                     0,
+                                     &grackle_pci_ops);
+        if (fake_bridge == NULL)
+            goto free_fake_host;
+        fake_bridge->dev.common.type = PCI_FAKE_BRIDGE;
+        break;
     case ARCH_MAC99:
         dev = pci_find_device(0x06, 0x00, 0xFF, checkv, checkp);
         if (dev == NULL)
@@ -2167,6 +2307,30 @@ pci_host_t *pci_init (void)
     case ARCH_CHRP:
         /* TODO */
         break;
+    case ARCH_HEATHROW:
+        cfg_base = 0x80000000;
+        cfg_len  = 0x7f000000;
+        mem_base = 0x80000000;
+        mem_len  = 0x01000000;
+        io_base  = 0xfe000000;
+        io_len   = 0x00800000;
+#if 1
+        rbase    = 0xfd000000;
+        rlen     = 0x01000000;
+#else
+        rbase    = 0x00000000;
+        rlen     = 0x01000000;
+#endif
+        if (pci_check_host(&pci_main, cfg_base, cfg_len,
+                           mem_base, mem_len, io_base, io_len, rbase, rlen,
+                           0x1057, 0x0002) == 0) {
+            isa_io_base = io_base;
+            busnum++;
+        }
+        for (curh = pci_main; curh->next != NULL; curh = curh->next)
+            continue;
+        pci_check_devices(curh);
+        break;
     case ARCH_MAC99:
         /* We are supposed to have 3 host bridges:
          * - the uninorth AGP bridge at 0xF0000000