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authorwdenk <wdenk>2000-11-20 17:21:10 +0000
committerwdenk <wdenk>2000-11-20 17:21:10 +0000
commit4248acf640a74762cd0c5376a1fd9f1a3a0f87ac (patch)
tree0346c0a9645316b29d6699b01f35512121ff279d /include/asm-ppc
parent0f89ba4320c42f9df753c7c5527aed1d8eaeca93 (diff)
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Initial revision
Diffstat (limited to 'include/asm-ppc')
-rw-r--r--include/asm-ppc/mc146818rtc.h27
-rw-r--r--include/asm-ppc/pci_io.h43
2 files changed, 70 insertions, 0 deletions
diff --git a/include/asm-ppc/mc146818rtc.h b/include/asm-ppc/mc146818rtc.h
new file mode 100644
index 0000000..5f806c4
--- /dev/null
+++ b/include/asm-ppc/mc146818rtc.h
@@ -0,0 +1,27 @@
+/*
+ * Machine dependent access functions for RTC registers.
+ */
+#ifndef __ASM_PPC_MC146818RTC_H
+#define __ASM_PPC_MC146818RTC_H
+
+#include <asm/io.h>
+
+#ifndef RTC_PORT
+#define RTC_PORT(x) (0x70 + (x))
+#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
+#endif
+
+/*
+ * The yet supported machines all access the RTC index register via
+ * an ISA port access but the way to access the date register differs ...
+ */
+#define CMOS_READ(addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+inb_p(RTC_PORT(1)); \
+})
+#define CMOS_WRITE(val, addr) ({ \
+outb_p((addr),RTC_PORT(0)); \
+outb_p((val),RTC_PORT(1)); \
+})
+
+#endif /* __ASM_PPC_MC146818RTC_H */
diff --git a/include/asm-ppc/pci_io.h b/include/asm-ppc/pci_io.h
new file mode 100644
index 0000000..0f57b53
--- /dev/null
+++ b/include/asm-ppc/pci_io.h
@@ -0,0 +1,43 @@
+/* originally from linux source (asm-ppc/io.h).
+ * Sanity added by Rob Taylor, Flying Pig Systems, 2000
+ */
+#ifndef _PCI_IO_H_
+#define _PCI_IO_H_
+
+#include "io.h"
+
+
+#define pci_read_le16(addr, dest) \
+ __asm__ __volatile__("lhbrx %0,0,%1" : "=r" (dest) : \
+ "r" (addr), "m" (*addr));
+
+#define pci_write_le16(addr, val) \
+ __asm__ __volatile__("sthbrx %1,0,%2" : "=m" (*addr) : \
+ "r" (val), "r" (addr));
+
+
+#define pci_read_le32(addr, dest) \
+ __asm__ __volatile__("lwbrx %0,0,%1" : "=r" (dest) : \
+ "r" (addr), "m" (*addr));
+
+#define pci_write_le32(addr, val) \
+__asm__ __volatile__("stwbrx %1,0,%2" : "=m" (*addr) : \
+ "r" (val), "r" (addr));
+
+#define pci_readb(addr,b) ((b) = *(volatile u8 *) (addr))
+#define pci_writeb(b,addr) ((*(volatile u8 *) (addr)) = (b))
+
+#if !defined(__BIG_ENDIAN)
+#define pci_readw(addr,b) ((b) = *(volatile u16 *) (addr))
+#define pci_readl(addr,b) ((b) = *(volatile u32 *) (addr))
+#define pci_writew(b,addr) ((*(volatile u16 *) (addr)) = (b))
+#define pci_writel(b,addr) ((*(volatile u32 *) (addr)) = (b))
+#else
+#define pci_readw(addr,b) pci_read_le16((volatile u16 *)(addr),(b))
+#define pci_readl(addr,b) pci_read_le32((volatile u32 *)(addr),(b))
+#define pci_writew(b,addr) pci_write_le16((volatile u16 *)(addr),(b))
+#define pci_writel(b,addr) pci_write_le32((volatile u32 *)(addr),(b))
+#endif
+
+
+#endif /* _PCI_IO_H_ */