[PATCH] hw/pci-host: Use register definitions from PCI standard

[Philippe Mathieu-Daudé]

No need to document magic values when the definition names
from "standard-headers/linux/pci_regs.h" are self-explicit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/pci-host/grackle.c  |  2 +-
 hw/pci-host/raven.c    |  6 +++---
 hw/pci-host/uninorth.c | 30 +++++++++++-------------------
 3 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/hw/pci-host/grackle.c b/hw/pci-host/grackle.c
index 95945ac0f4..2a45cc13c3 100644
--- a/hw/pci-host/grackle.c
+++ b/hw/pci-host/grackle.c
@@ -91,7 +91,7 @@ static void grackle_init(Object *obj)
 
 static void grackle_pci_realize(PCIDevice *d, Error **errp)
 {
-    d->config[0x09] = 0x01;
+    d->config[PCI_CLASS_PROG] = 0x01;
 }
 
 static void grackle_pci_class_init(ObjectClass *klass, void *data)
diff --git a/hw/pci-host/raven.c b/hw/pci-host/raven.c
index 7a105e4a63..c47259a851 100644
--- a/hw/pci-host/raven.c
+++ b/hw/pci-host/raven.c
@@ -329,9 +329,9 @@ static void raven_realize(PCIDevice *d, Error **errp)
     char *filename;
     int bios_size = -1;
 
-    d->config[0x0C] = 0x08; // cache_line_size
-    d->config[0x0D] = 0x10; // latency_timer
-    d->config[0x34] = 0x00; // capabilities_pointer
+    d->config[PCI_CACHE_LINE_SIZE] = 0x08;
+    d->config[PCI_LATENCY_TIMER] = 0x10;
+    d->config[PCI_CAPABILITY_LIST] = 0x00;
 
     memory_region_init_rom_nomigrate(&s->bios, OBJECT(s), "bios", BIOS_SIZE,
                                      &error_fatal);
diff --git a/hw/pci-host/uninorth.c b/hw/pci-host/uninorth.c
index 8396c91d59..342baff12a 100644
--- a/hw/pci-host/uninorth.c
+++ b/hw/pci-host/uninorth.c
@@ -277,11 +277,11 @@ static void pci_unin_internal_init(Object *obj)
 static void unin_main_pci_host_realize(PCIDevice *d, Error **errp)
 {
     /* cache_line_size */
-    d->config[0x0C] = 0x08;
+    d->config[PCI_CACHE_LINE_SIZE] = 0x08;
     /* latency_timer */
-    d->config[0x0D] = 0x10;
+    d->config[PCI_LATENCY_TIMER] = 0x10;
     /* capabilities_pointer */
-    d->config[0x34] = 0x00;
+    d->config[PCI_CAPABILITY_LIST] = 0x00;
 
     /*
      * Set kMacRISCPCIAddressSelect (0x48) register to indicate PCI
@@ -296,30 +296,22 @@ static void unin_main_pci_host_realize(PCIDevice *d, 
Error **errp)
 
 static void unin_agp_pci_host_realize(PCIDevice *d, Error **errp)
 {
-    /* cache_line_size */
-    d->config[0x0C] = 0x08;
-    /* latency_timer */
-    d->config[0x0D] = 0x10;
-    /* capabilities_pointer
-    d->config[0x34] = 0x80; */
+    d->config[PCI_CACHE_LINE_SIZE] = 0x08;
+    d->config[PCI_LATENCY_TIMER] = 0x10;
+    /* d->config[PCI_CAPABILITY_LIST] = 0x80; */
 }
 
 static void u3_agp_pci_host_realize(PCIDevice *d, Error **errp)
 {
-    /* cache line size */
-    d->config[0x0C] = 0x08;
-    /* latency timer */
-    d->config[0x0D] = 0x10;
+    d->config[PCI_CACHE_LINE_SIZE] = 0x08;
+    d->config[PCI_LATENCY_TIMER] = 0x10;
 }
 
 static void unin_internal_pci_host_realize(PCIDevice *d, Error **errp)
 {
-    /* cache_line_size */
-    d->config[0x0C] = 0x08;
-    /* latency_timer */
-    d->config[0x0D] = 0x10;
-    /* capabilities_pointer */
-    d->config[0x34] = 0x00;
+    d->config[PCI_CACHE_LINE_SIZE] = 0x08;
+    d->config[PCI_LATENCY_TIMER] = 0x10;
+    d->config[PCI_CAPABILITY_LIST] = 0x00;
 }
 
 static void unin_main_pci_host_class_init(ObjectClass *klass, void *data)
-- 
2.38.1