[PARISC] Add support for Quicksilver AGPGART
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/include/asm-parisc/ropes.h b/include/asm-parisc/ropes.h
index 2e3de0a..5542dd0 100644
--- a/include/asm-parisc/ropes.h
+++ b/include/asm-parisc/ropes.h
@@ -1,6 +1,8 @@
#ifndef _ASM_PARISC_ROPES_H_
#define _ASM_PARISC_ROPES_H_
+#include <asm-parisc/parisc-device.h>
+
#ifdef CONFIG_64BIT
/* "low end" PA8800 machines use ZX1 chipset: PAT PDC and only run 64-bit */
#define ZX1_SUPPORT
@@ -231,6 +233,16 @@
return (d->id.hversion == QUICKSILVER_HVERS);
}
+static inline int agp_mode_mercury(void __iomem *hpa) {
+ u64 bus_mode;
+
+ bus_mode = readl(hpa + 0x0620);
+ if (bus_mode & 1)
+ return 1;
+
+ return 0;
+}
+
/*
** I/O SAPIC init function
** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC.