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[1/5] cmd646: add constants for CNTRL register access

Message ID 1407515016-26273-2-git-send-email-mark.cave-ayland@ilande.co.uk
State New
Headers show

Commit Message

Mark Cave-Ayland Aug. 8, 2014, 4:23 p.m. UTC 
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/ide/cmd646.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
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Patch

diff --git a/hw/ide/cmd646.c b/hw/ide/cmd646.c
index a8e35fe..d8395ef 100644
--- a/hw/ide/cmd646.c
+++ b/hw/ide/cmd646.c
@@ -33,6 +33,9 @@ 
 #include <hw/ide/pci.h>
 
 /* CMD646 specific */
+#define CNTRL		0x51
+#define   CNTRL_EN_CH0	0x04
+#define   CNTRL_EN_CH1	0x08
 #define MRDMODE		0x71
 #define   MRDMODE_INTR_CH0	0x04
 #define   MRDMODE_INTR_CH1	0x08
@@ -269,10 +272,10 @@  static int pci_cmd646_ide_initfn(PCIDevice *dev)
 
     pci_conf[PCI_CLASS_PROG] = 0x8f;
 
-    pci_conf[0x51] = 0x04; // enable IDE0
+    pci_conf[CNTRL] = CNTRL_EN_CH0; // enable IDE0
     if (d->secondary) {
         /* XXX: if not enabled, really disable the seconday IDE controller */
-        pci_conf[0x51] |= 0x08; /* enable IDE1 */
+        pci_conf[CNTRL] |= CNTRL_EN_CH1; /* enable IDE1 */
     }
 
     setup_cmd646_bar(d, 0);