From: Greentime Hu <greentime@xxxxxxxxxxxxx> Signed-off-by: Vincent Chen <vincentc@xxxxxxxxxxxxx> Signed-off-by: Greentime Hu <greentime@xxxxxxxxxxxxx> --- 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
