Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=787a22d1d284b21ad810fd0bedbdefb329f31cd2
Commit: 787a22d1d284b21ad810fd0bedbdefb329f31cd2
Parent: 73089cbfdf0c69e061a4fa90d614679e630c6727
Author: Chris Zankel <[EMAIL PROTECTED]>
AuthorDate: Sat Aug 4 14:31:04 2007 -0700
Committer: Chris Zankel <[EMAIL PROTECTED]>
CommitDate: Mon Aug 27 13:53:22 2007 -0700
[XTENSA] Move string-io functions to io.c from pci.c
The string-io functions (outs{bwl}, ins{bwl}) are independent from
the PCI option and should be in a separate file.
Signed-off-by: Chris Zankel <[EMAIL PROTECTED]>
---
arch/xtensa/kernel/Makefile | 2 +-
arch/xtensa/kernel/io.c | 75 +++++++++++++++++++++++++++++++++++++++++++
arch/xtensa/kernel/pci.c | 69 ---------------------------------------
3 files changed, 76 insertions(+), 70 deletions(-)
diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile
index 0e3ac68..f582d6a 100644
--- a/arch/xtensa/kernel/Makefile
+++ b/arch/xtensa/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y := head.o vmlinux.lds
obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o semaphore.o \
setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \
- pci-dma.o init_task.o
+ pci-dma.o init_task.o io.o
## windowspill.o
diff --git a/arch/xtensa/kernel/io.c b/arch/xtensa/kernel/io.c
new file mode 100644
index 0000000..5b65269
--- /dev/null
+++ b/arch/xtensa/kernel/io.c
@@ -0,0 +1,75 @@
+/*
+ * arch/xtensa/io.c
+ *
+ * IO primitives
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * Copied from sparc.
+ *
+ * Chris Zankel <[EMAIL PROTECTED]>
+ *
+ */
+
+#include <asm/io.h>
+#include <asm/byteorder.h>
+
+void outsb(unsigned long addr, const void *src, unsigned long count) {
+ while (count) {
+ count -= 1;
+ writeb(*(const char *)src, addr);
+ src += 1;
+ addr += 1;
+ }
+}
+
+void outsw(unsigned long addr, const void *src, unsigned long count) {
+ while (count) {
+ count -= 2;
+ writew(*(const short *)src, addr);
+ src += 2;
+ addr += 2;
+ }
+}
+
+void outsl(unsigned long addr, const void *src, unsigned long count) {
+ while (count) {
+ count -= 4;
+ writel(*(const long *)src, addr);
+ src += 4;
+ addr += 4;
+ }
+}
+
+void insb(unsigned long addr, void *dst, unsigned long count) {
+ while (count) {
+ count -= 1;
+ *(unsigned char *)dst = readb(addr);
+ dst += 1;
+ addr += 1;
+ }
+}
+
+void insw(unsigned long addr, void *dst, unsigned long count) {
+ while (count) {
+ count -= 2;
+ *(unsigned short *)dst = readw(addr);
+ dst += 2;
+ addr += 2;
+ }
+}
+
+void insl(unsigned long addr, void *dst, unsigned long count) {
+ while (count) {
+ count -= 4;
+ /*
+ * XXX I am sure we are in for an unaligned trap here.
+ */
+ *(unsigned long *)dst = readl(addr);
+ dst += 4;
+ addr += 4;
+ }
+}
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 77deae5..b7c0734 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -394,72 +394,3 @@ int pci_mmap_page_range(struct pci_dev *dev, struct
vm_area_struct *vma,
return ret;
}
-
-/*
- * This probably belongs here rather than ioport.c because
- * we do not want this crud linked into SBus kernels.
- * Also, think for a moment about likes of floppy.c that
- * include architecture specific parts. They may want to redefine ins/outs.
- *
- * We do not use horrible macros here because we want to
- * advance pointer by sizeof(size).
- */
-void outsb(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 1;
- writeb(*(const char *)src, addr);
- src += 1;
- addr += 1;
- }
-}
-
-void outsw(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 2;
- writew(*(const short *)src, addr);
- src += 2;
- addr += 2;
- }
-}
-
-void outsl(unsigned long addr, const void *src, unsigned long count) {
- while (count) {
- count -= 4;
- writel(*(const long *)src, addr);
- src += 4;
- addr += 4;
- }
-}
-
-void insb(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 1;
- *(unsigned char *)dst = readb(addr);
- dst += 1;
- addr += 1;
- }
-}
-
-void insw(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 2;
- *(unsigned short *)dst = readw(addr);
- dst += 2;
- addr += 2;
- }
-}
-
-void insl(unsigned long addr, void *dst, unsigned long count) {
- while (count) {
- count -= 4;
- /*
- * XXX I am sure we are in for an unaligned trap here.
- */
- *(unsigned long *)dst = readl(addr);
- dst += 4;
- addr += 4;
- }
-}
-
-
-
-
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