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Subject[PATCH 24/31] nds32: Miscellaneous header files
Date
From: Greentime Hu <greentime@andestech.com>

Signed-off-by: Vincent Chen <vincentc@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
---
arch/nds32/include/asm/delay.h | 51 +++++++++++++++++++++++++++++
arch/nds32/include/asm/linkage.h | 24 ++++++++++++++
arch/nds32/include/uapi/asm/byteorder.h | 26 +++++++++++++++
arch/nds32/include/uapi/asm/posix_types.h | 41 +++++++++++++++++++++++
4 files changed, 142 insertions(+)
create mode 100644 arch/nds32/include/asm/delay.h
create mode 100644 arch/nds32/include/asm/linkage.h
create mode 100644 arch/nds32/include/uapi/asm/byteorder.h
create mode 100644 arch/nds32/include/uapi/asm/posix_types.h

diff --git a/arch/nds32/include/asm/delay.h b/arch/nds32/include/asm/delay.h
new file mode 100644
index 0000000..bdeeb76
--- /dev/null
+++ b/arch/nds32/include/asm/delay.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __NDS32_DELAY_H__
+#define __NDS32_DELAY_H__
+
+#include <asm/param.h>
+
+static inline void __delay(unsigned long loops)
+{
+ __asm__ __volatile__(".align 2\n"
+ "1:\n"
+ "\taddi\t%0, %0, -1\n"
+ "\tbgtz\t%0, 1b\n"
+ :"=r"(loops)
+ :"0"(loops));
+}
+
+static inline void __udelay(unsigned long usecs, unsigned long lpj)
+{
+ usecs *= (unsigned long)(((0x8000000000000000ULL / (500000 / HZ)) +
+ 0x80000000ULL) >> 32);
+ usecs = (unsigned long)(((unsigned long long)usecs * lpj) >> 32);
+ __delay(usecs);
+}
+
+#define udelay(usecs) __udelay((usecs), loops_per_jiffy)
+
+/* make sure "usecs *= ..." in udelay do not overflow. */
+#if HZ >= 1000
+#define MAX_UDELAY_MS 1
+#elif HZ <= 200
+#define MAX_UDELAY_MS 5
+#else
+#define MAX_UDELAY_MS (1000 / HZ)
+#endif
+
+#endif
diff --git a/arch/nds32/include/asm/linkage.h b/arch/nds32/include/asm/linkage.h
new file mode 100644
index 0000000..d17abd8
--- /dev/null
+++ b/arch/nds32/include/asm/linkage.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ASM_LINKAGE_H
+#define __ASM_LINKAGE_H
+
+/* This file is required by include/linux/linkage.h */
+#define __ALIGN .align 2
+#define __ALIGN_STR ".align 2"
+
+#endif
diff --git a/arch/nds32/include/uapi/asm/byteorder.h b/arch/nds32/include/uapi/asm/byteorder.h
new file mode 100644
index 0000000..198e8dd
--- /dev/null
+++ b/arch/nds32/include/uapi/asm/byteorder.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __NDS32_BYTEORDER_H__
+#define __NDS32_BYTEORDER_H__
+
+#ifdef __NDS32_EB__
+#include <linux/byteorder/big_endian.h>
+#else
+#include <linux/byteorder/little_endian.h>
+#endif
+
+#endif /* __NDS32_BYTEORDER_H__ */
diff --git a/arch/nds32/include/uapi/asm/posix_types.h b/arch/nds32/include/uapi/asm/posix_types.h
new file mode 100644
index 0000000..d0aca66
--- /dev/null
+++ b/arch/nds32/include/uapi/asm/posix_types.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2005-2017 Andes Technology Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ARCH_NDS32_POSIX_TYPES_H
+#define __ARCH_NDS32_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned short __kernel_mode_t;
+#define __kernel_mode_t __kernel_mode_t
+
+typedef unsigned short __kernel_ipc_pid_t;
+#define __kernel_ipc_pid_t __kernel_ipc_pid_t
+
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+#define __kernel_uid_t __kernel_uid_t
+
+typedef unsigned short __kernel_old_dev_t;
+#define __kernel_old_dev_t __kernel_old_dev_t
+
+#include <asm-generic/posix_types.h>
+
+#endif
--
1.7.9.5
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