summaryrefslogtreecommitdiffstats
path: root/qemu/roms/SLOF/clients/net-snk/oflib/pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/roms/SLOF/clients/net-snk/oflib/pci.c')
-rw-r--r--qemu/roms/SLOF/clients/net-snk/oflib/pci.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/qemu/roms/SLOF/clients/net-snk/oflib/pci.c b/qemu/roms/SLOF/clients/net-snk/oflib/pci.c
new file mode 100644
index 000000000..89003ae3e
--- /dev/null
+++ b/qemu/roms/SLOF/clients/net-snk/oflib/pci.c
@@ -0,0 +1,60 @@
+/******************************************************************************
+ * Copyright (c) 2004, 2008 IBM Corporation
+ * All rights reserved.
+ * This program and the accompanying materials
+ * are made available under the terms of the BSD License
+ * which accompanies this distribution, and is available at
+ * http://www.opensource.org/licenses/bsd-license.php
+ *
+ * Contributors:
+ * IBM Corporation - initial implementation
+ *****************************************************************************/
+
+#include <stdint.h>
+#include <rtas.h>
+#include <of.h>
+#include <pci.h>
+#include <string.h>
+#include <kernel.h>
+#include <cpu.h>
+#include <cache.h>
+
+unsigned int read_io(void *addr, size_t sz)
+{
+ unsigned int ret;
+
+ switch (sz) {
+ case 1:
+ ret = ci_read_8(addr);
+ break;
+ case 2:
+ ret = ci_read_16(addr);
+ break;
+ case 4:
+ ret = ci_read_32(addr);
+ break;
+ default:
+ ret = 0;
+ }
+
+ return ret;
+}
+
+int write_io(void *addr, unsigned int value, size_t sz)
+{
+ switch (sz) {
+ case 1:
+ ci_write_8(addr, value);
+ break;
+ case 2:
+ ci_write_16(addr, value);
+ break;
+ case 4:
+ ci_write_32(addr, value);
+ break;
+ default:
+ return -1;
+ }
+
+ return 0;
+}