3 files changed, 107 insertions, 0 deletions

diff --git a/arch/tile/include/gxio/common.h b/arch/tile/include/gxio/common.h
new file mode 100644
index 000000000000..724595a24d04
--- /dev/null
+++ b/arch/tile/include/gxio/common.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2012 Tilera Corporation. All Rights Reserved.
+ *
+ *   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, version 2.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ *   NON INFRINGEMENT.  See the GNU General Public License for
+ *   more details.
+ */
+
+#ifndef _GXIO_COMMON_H_
+#define _GXIO_COMMON_H_
+
+/*
+ * Routines shared between the various GXIO device components.
+ */
+
+#include <hv/iorpc.h>
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/io.h>
+
+/* Define the standard gxio MMIO functions using kernel functions. */
+#define __gxio_mmio_read8(addr)         readb(addr)
+#define __gxio_mmio_read16(addr)        readw(addr)
+#define __gxio_mmio_read32(addr)        readl(addr)
+#define __gxio_mmio_read64(addr)        readq(addr)
+#define __gxio_mmio_write8(addr, val)   writeb((val), (addr))
+#define __gxio_mmio_write16(addr, val)  writew((val), (addr))
+#define __gxio_mmio_write32(addr, val)  writel((val), (addr))
+#define __gxio_mmio_write64(addr, val)  writeq((val), (addr))
+#define __gxio_mmio_read(addr)          __gxio_mmio_read64(addr)
+#define __gxio_mmio_write(addr, val)    __gxio_mmio_write64((addr), (val))
+
+#endif /* !_GXIO_COMMON_H_ */
diff --git a/arch/tile/include/gxio/iorpc_globals.h b/arch/tile/include/gxio/iorpc_globals.h
new file mode 100644
index 000000000000..52c721f8dad9
--- /dev/null
+++ b/arch/tile/include/gxio/iorpc_globals.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2012 Tilera Corporation. All Rights Reserved.
+ *
+ *   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, version 2.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ *   NON INFRINGEMENT.  See the GNU General Public License for
+ *   more details.
+ */
+
+/* This file is machine-generated; DO NOT EDIT! */
+#ifndef __IORPC_LINUX_RPC_H__
+#define __IORPC_LINUX_RPC_H__
+
+#include <hv/iorpc.h>
+
+#include <linux/string.h>
+#include <linux/module.h>
+#include <asm/pgtable.h>
+
+#define IORPC_OP_ARM_POLLFD            IORPC_OPCODE(IORPC_FORMAT_KERNEL_POLLFD, 0x9000)
+#define IORPC_OP_CLOSE_POLLFD          IORPC_OPCODE(IORPC_FORMAT_KERNEL_POLLFD, 0x9001)
+#define IORPC_OP_GET_MMIO_BASE         IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x8000)
+#define IORPC_OP_CHECK_MMIO_OFFSET     IORPC_OPCODE(IORPC_FORMAT_NONE_NOUSER, 0x8001)
+
+int __iorpc_arm_pollfd(int fd, int pollfd_cookie);
+
+int __iorpc_close_pollfd(int fd, int pollfd_cookie);
+
+int __iorpc_get_mmio_base(int fd, HV_PTE *base);
+
+int __iorpc_check_mmio_offset(int fd, unsigned long offset, unsigned long size);
+
+#endif /* !__IORPC_LINUX_RPC_H__ */
diff --git a/arch/tile/include/gxio/kiorpc.h b/arch/tile/include/gxio/kiorpc.h
new file mode 100644
index 000000000000..ee5820979ff3
--- /dev/null
+++ b/arch/tile/include/gxio/kiorpc.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2012 Tilera Corporation. All Rights Reserved.
+ *
+ *   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, version 2.
+ *
+ *   This program is distributed in the hope that it will be useful, but
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
+ *   NON INFRINGEMENT.  See the GNU General Public License for
+ *   more details.
+ *
+ * Support routines for kernel IORPC drivers.
+ */
+
+#ifndef _GXIO_KIORPC_H
+#define _GXIO_KIORPC_H
+
+#include <linux/types.h>
+#include <asm/page.h>
+#include <arch/chip.h>
+
+#if CHIP_HAS_MMIO()
+void __iomem *iorpc_ioremap(int hv_fd, resource_size_t offset,
+                            unsigned long size);
+#endif
+
+#endif /* _GXIO_KIORPC_H */