Add generic header files support for nds32 architecture. Cache, ptregs, data type and other definitions are included.
Signed-off-by: Macpaul Lin macpaul@andestech.com --- arch/nds32/include/asm/bitops.h | 150 ++++++++++++++ arch/nds32/include/asm/byteorder.h | 36 ++++ arch/nds32/include/asm/cache.h | 51 +++++ arch/nds32/include/asm/config.h | 26 +++ arch/nds32/include/asm/global_data.h | 76 +++++++ arch/nds32/include/asm/io.h | 345 +++++++++++++++++++++++++++++++++ arch/nds32/include/asm/mach-types.h | 29 +++ arch/nds32/include/asm/memory.h | 19 ++ arch/nds32/include/asm/posix_types.h | 84 ++++++++ arch/nds32/include/asm/processor.h | 25 +++ arch/nds32/include/asm/ptrace.h | 22 ++ arch/nds32/include/asm/ptregs.h | 82 ++++++++ arch/nds32/include/asm/string.h | 57 ++++++ arch/nds32/include/asm/types.h | 67 +++++++ arch/nds32/include/asm/u-boot-nds32.h | 47 +++++ arch/nds32/include/asm/u-boot.h | 69 +++++++ arch/nds32/include/asm/unaligned.h | 31 +++ 17 files changed, 1216 insertions(+), 0 deletions(-) create mode 100644 arch/nds32/include/asm/bitops.h create mode 100644 arch/nds32/include/asm/byteorder.h create mode 100644 arch/nds32/include/asm/cache.h create mode 100644 arch/nds32/include/asm/config.h create mode 100644 arch/nds32/include/asm/global_data.h create mode 100644 arch/nds32/include/asm/io.h create mode 100644 arch/nds32/include/asm/mach-types.h create mode 100644 arch/nds32/include/asm/memory.h create mode 100644 arch/nds32/include/asm/posix_types.h create mode 100644 arch/nds32/include/asm/processor.h create mode 100644 arch/nds32/include/asm/ptrace.h create mode 100644 arch/nds32/include/asm/ptregs.h create mode 100644 arch/nds32/include/asm/string.h create mode 100644 arch/nds32/include/asm/types.h create mode 100644 arch/nds32/include/asm/u-boot-nds32.h create mode 100644 arch/nds32/include/asm/u-boot.h create mode 100644 arch/nds32/include/asm/unaligned.h
diff --git a/arch/nds32/include/asm/bitops.h b/arch/nds32/include/asm/bitops.h new file mode 100644 index 0000000..f658a03 --- /dev/null +++ b/arch/nds32/include/asm/bitops.h @@ -0,0 +1,150 @@ +/* + * Copyright 1995, Russell King. + * Various bits and pieces copyrights include: + * Linus Torvalds (test_bit). + * + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * + * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). + * + * Please note that the code in this file should never be included + * from user space. Many of these are not implemented in assembler + * since they would be too costly. Also, they require priviledged + * instructions (which are not available from user mode) to ensure + * that they are atomic. + */ + +#ifndef __ASM_NDS_BITOPS_H +#define __ASM_NDS_BITOPS_H + +#ifdef __KERNEL__ + +#define smp_mb__before_clear_bit() do { } while (0) +#define smp_mb__after_clear_bit() do { } while (0) + +/* + * Function prototypes to keep gcc -Wall happy. + */ +extern void set_bit(int nr, volatile void * addr); + +static inline void __set_bit(int nr, volatile void *addr) +{ + ((unsigned char *) addr)[nr >> 3] |= (1U << (nr & 7)); +} + +extern void clear_bit(int nr, volatile void * addr); + +static inline void __clear_bit(int nr, volatile void *addr) +{ + ((unsigned char *) addr)[nr >> 3] &= ~(1U << (nr & 7)); +} + +extern void change_bit(int nr, volatile void * addr); + +static inline void __change_bit(int nr, volatile void *addr) +{ + ((unsigned char *) addr)[nr >> 3] ^= (1U << (nr & 7)); +} + +extern int test_and_set_bit(int nr, volatile void * addr); + +static inline int __test_and_set_bit(int nr, volatile void *addr) +{ + unsigned int mask = 1 << (nr & 7); + unsigned int oldval; + + oldval = ((unsigned char *) addr)[nr >> 3]; + ((unsigned char *) addr)[nr >> 3] = oldval | mask; + return oldval & mask; +} + +extern int test_and_clear_bit(int nr, volatile void * addr); + +static inline int __test_and_clear_bit(int nr, volatile void *addr) +{ + unsigned int mask = 1 << (nr & 7); + unsigned int oldval; + + oldval = ((unsigned char *) addr)[nr >> 3]; + ((unsigned char *) addr)[nr >> 3] = oldval & ~mask; + return oldval & mask; +} + +extern int test_and_change_bit(int nr, volatile void * addr); + +static inline int __test_and_change_bit(int nr, volatile void *addr) +{ + unsigned int mask = 1 << (nr & 7); + unsigned int oldval; + + oldval = ((unsigned char *) addr)[nr >> 3]; + ((unsigned char *) addr)[nr >> 3] = oldval ^ mask; + return oldval & mask; +} + +extern int find_first_zero_bit(void * addr, unsigned size); +extern int find_next_zero_bit(void * addr, int size, int offset); + +/* + * This routine doesn't need to be atomic. + */ +static inline int test_bit(int nr, const void * addr) +{ + return ((unsigned char *) addr)[nr >> 3] & (1U << (nr & 7)); +} + +/* + * ffz = Find First Zero in word. Undefined if no zero exists, + * so code should check against ~0UL first.. + */ +static inline unsigned long ffz(unsigned long word) +{ + int k; + + word = ~word; + k = 31; + if (word & 0x0000ffff) { k -= 16; word <<= 16; } + if (word & 0x00ff0000) { k -= 8; word <<= 8; } + if (word & 0x0f000000) { k -= 4; word <<= 4; } + if (word & 0x30000000) { k -= 2; word <<= 2; } + if (word & 0x40000000) { k -= 1; } + return k; +} + +/* + * ffs: find first bit set. This is defined the same way as + * the libc and compiler builtin ffs routines, therefore + * differs in spirit from the above ffz (man ffs). + */ + +/* + * redefined in include/linux/bitops.h + * #define ffs(x) generic_ffs(x) + */ + +/* + * hweightN: returns the hamming weight (i.e. the number + * of bits set) of a N-bit word + */ + +#define hweight32(x) generic_hweight32(x) +#define hweight16(x) generic_hweight16(x) +#define hweight8(x) generic_hweight8(x) + +#define ext2_set_bit test_and_set_bit +#define ext2_clear_bit test_and_clear_bit +#define ext2_test_bit test_bit +#define ext2_find_first_zero_bit find_first_zero_bit +#define ext2_find_next_zero_bit find_next_zero_bit + +/* Bitmap functions for the minix filesystem. */ +#define minix_test_and_set_bit(nr,addr) test_and_set_bit(nr,addr) +#define minix_set_bit(nr,addr) set_bit(nr,addr) +#define minix_test_and_clear_bit(nr,addr) test_and_clear_bit(nr,addr) +#define minix_test_bit(nr,addr) test_bit(nr,addr) +#define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_NDS_BITOPS_H */ diff --git a/arch/nds32/include/asm/byteorder.h b/arch/nds32/include/asm/byteorder.h new file mode 100644 index 0000000..0b48be4 --- /dev/null +++ b/arch/nds32/include/asm/byteorder.h @@ -0,0 +1,36 @@ +/* + * linux/include/asm-arm/byteorder.h + * + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * Macpaul Lin, Andes Technology Corporation macpaul@andestech.com + * + * ARM Endian-ness. In little endian mode, the data bus is connected such + * that byte accesses appear as: + * 0 = d0...d7, 1 = d8...d15, 2 = d16...d23, 3 = d24...d31 + * and word accesses (data or instruction) appear as: + * d0...d31 + * + * When in big endian mode, byte accesses appear as: + * 0 = d24...d31, 1 = d16...d23, 2 = d8...d15, 3 = d0...d7 + * and word accesses (data or instruction) appear as: + * d0...d31 + */ + +#ifndef __ASM_NDS_BYTEORDER_H +#define __ASM_NDS_BYTEORDER_H + +#include <asm/types.h> + +#if !defined(__STRICT_ANSI__) || defined(__KERNEL__) +# define __BYTEORDER_HAS_U64__ +# define __SWAB_64_THRU_32__ +#endif + +#ifdef __NDSEB__ +#include <linux/byteorder/big_endian.h> +#else +#include <linux/byteorder/little_endian.h> +#endif + +#endif diff --git a/arch/nds32/include/asm/cache.h b/arch/nds32/include/asm/cache.h new file mode 100644 index 0000000..863577d --- /dev/null +++ b/arch/nds32/include/asm/cache.h @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * Macpaul Lin, Andes Technology Corporation macpaul@andestech.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _ASM_CACHE_H +#define _ASM_CACHE_H + +/* cache */ +int icache_status (void); +void icache_enable (void); +void icache_disable(void); +int dcache_status (void); +void dcache_enable (void); +void dcache_disable(void); + +#define DEFINE_GET_SYS_REG(reg) \ + inline static unsigned long GET_##reg(void) { \ + unsigned long val; \ + __asm__ volatile ( "mfsr %0, $"#reg :"=&r" (val) ::"memory"); \ + return val; \ + } + +enum cache_t{ ICACHE, DCACHE}; +DEFINE_GET_SYS_REG( ICM_CFG); +DEFINE_GET_SYS_REG( DCM_CFG); +#define ICM_CFG_offISZ 6 /* I-cache line size */ +#define ICM_CFG_mskISZ ( 0x7UL << ICM_CFG_offISZ ) +#define DCM_CFG_offDSZ 6 /* D-cache line size */ +#define DCM_CFG_mskDSZ ( 0x7UL << DCM_CFG_offDSZ ) + +#endif /* _ASM_CACHE_H */ diff --git a/arch/nds32/include/asm/config.h b/arch/nds32/include/asm/config.h new file mode 100644 index 0000000..213d18f --- /dev/null +++ b/arch/nds32/include/asm/config.h @@ -0,0 +1,26 @@ +/* + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _ASM_CONFIG_H_ +#define _ASM_CONFIG_H_ + +#endif diff --git a/arch/nds32/include/asm/global_data.h b/arch/nds32/include/asm/global_data.h new file mode 100644 index 0000000..b8f2e77 --- /dev/null +++ b/arch/nds32/include/asm/global_data.h @@ -0,0 +1,76 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * Macpaul Lin, Andes Technology Corporation macpaul@andestech.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/************************************************************** + * CAUTION: + * - do not implement for NDS32 Arch yet. + * - so far no one uses the macros defined in this head file. + **************************************************************/ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set CONFIG_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long have_console; /* serial_init() was called */ + + unsigned long reloc_off; /* Relocation Offset */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long fb_base; /* base address of frame buffer */ +#ifdef CONFIG_VFD + unsigned char vfd_type; /* display type */ +#endif + void **jt; /* jump table */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ + +#ifdef CONFIG_GLOBAL_DATA_NOT_REG8 +extern volatile gd_t g_gd; +#define DECLARE_GLOBAL_DATA_PTR static volatile gd_t *gd = &g_gd +#else +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("$r8") +#endif + +#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h new file mode 100644 index 0000000..9be7d43 --- /dev/null +++ b/arch/nds32/include/asm/io.h @@ -0,0 +1,345 @@ +/* + * linux/include/asm-nds/io.h + * + * Copyright (C) 1996-2000 Russell King + * + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * Macpaul Lin, Andes Technology Corporation macpaul@andestech.com + * + * 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. + * + * Modifications: + * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both + * constant addresses and variable addresses. + * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture + * specific IO header files. + * 27-Mar-1999 PJB Second parameter of memcpy_toio is const.. + * 04-Apr-1999 PJB Added check_signature. + * 12-Dec-1999 RMK More cleanups + * 18-Jun-2000 RMK Removed virt_to_* and friends definitions + */ +#ifndef __ASM_NDS_IO_H +#define __ASM_NDS_IO_H + +/************************************************************** + * CAUTION: + * - do not implement for NDS32 Arch yet. + * - cmd_pci.c, cmd_scsi.c, Lynxkdi.c, usb.c, usb_storage.c, etc... include asm/io.h + **************************************************************/ + +#ifdef __KERNEL__ + +#include <linux/types.h> +#include <asm/byteorder.h> +#include <asm/memory.h> + +static inline void sync(void) +{ +} + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + +static inline phys_addr_t virt_to_phys(void * vaddr) +{ + return (phys_addr_t)(vaddr); +} + +/* + * Generic virtual read/write. Note that we don't support half-word + * read/writes. We define __arch_*[bl] here, and leave __arch_*w + * to the architecture specific code. + */ +#define __arch_getb(a) (*(volatile unsigned char *)(a)) +#define __arch_getw(a) (*(volatile unsigned short *)(a)) +#define __arch_getl(a) (*(volatile unsigned int *)(a)) + +#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) + +extern void __raw_writesb(unsigned int addr, const void *data, int bytelen); +extern void __raw_writesw(unsigned int addr, const void *data, int wordlen); +extern void __raw_writesl(unsigned int addr, const void *data, int longlen); + +extern void __raw_readsb(unsigned int addr, void *data, int bytelen); +extern void __raw_readsw(unsigned int addr, void *data, int wordlen); +extern void __raw_readsl(unsigned int addr, void *data, int longlen); + +#define __raw_writeb(v,a) __arch_putb(v,a) +#define __raw_writew(v,a) __arch_putw(v,a) +#define __raw_writel(v,a) __arch_putl(v,a) + +#define __raw_readb(a) __arch_getb(a) +#define __raw_readw(a) __arch_getw(a) +#define __raw_readl(a) __arch_getl(a) + +#define writeb(v,a) __arch_putb(v,a) +#define writew(v,a) __arch_putw(v,a) +#define writel(v,a) __arch_putl(v,a) + +#define readb(a) __arch_getb(a) +#define readw(a) __arch_getw(a) +#define readl(a) __arch_getl(a) + +/* + * The compiler seems to be incapable of optimising constants + * properly. Spell it out to the compiler in some cases. + * These are only valid for small values of "off" (< 1<<12) + */ +#define __raw_base_writeb(val,base,off) __arch_base_putb(val,base,off) +#define __raw_base_writew(val,base,off) __arch_base_putw(val,base,off) +#define __raw_base_writel(val,base,off) __arch_base_putl(val,base,off) + +#define __raw_base_readb(base,off) __arch_base_getb(base,off) +#define __raw_base_readw(base,off) __arch_base_getw(base,off) +#define __raw_base_readl(base,off) __arch_base_getl(base,off) + +/* + * Now, pick up the machine-defined IO definitions + * #include <asm/arch/io.h> + */ + +/* + * IO port access primitives + * ------------------------- + * + * The ARM doesn't have special IO access instructions; all IO is memory + * mapped. Note that these are defined to perform little endian accesses + * only. Their primary purpose is to access PCI and ISA peripherals. + * + * Note that for a big endian machine, this implies that the following + * big endian mode connectivity is in place, as described by numerious + * ARM documents: + * + * PCI: D0-D7 D8-D15 D16-D23 D24-D31 + * ARM: D24-D31 D16-D23 D8-D15 D0-D7 + * + * The machine specific io.h include defines __io to translate an "IO" + * address to a memory address. + * + * Note that we prevent GCC re-ordering or caching values in expressions + * by introducing sequence points into the in*() definitions. Note that + * __raw_* do not guarantee this behaviour. + * + * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space. + */ +#ifdef __io +#define outb(v,p) __raw_writeb(v,__io(p)) +#define outw(v,p) __raw_writew(cpu_to_le16(v),__io(p)) +#define outl(v,p) __raw_writel(cpu_to_le32(v),__io(p)) + +#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; }) +#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; }) +#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; }) + +#define outsb(p,d,l) __raw_writesb(__io(p),d,l) +#define outsw(p,d,l) __raw_writesw(__io(p),d,l) +#define outsl(p,d,l) __raw_writesl(__io(p),d,l) + +#define insb(p,d,l) __raw_readsb(__io(p),d,l) +#define insw(p,d,l) __raw_readsw(__io(p),d,l) +#define insl(p,d,l) __raw_readsl(__io(p),d,l) +#endif + +#define outb_p(val,port) outb((val),(port)) +#define outw_p(val,port) outw((val),(port)) +#define outl_p(val,port) outl((val),(port)) +#define inb_p(port) inb((port)) +#define inw_p(port) inw((port)) +#define inl_p(port) inl((port)) + +#define outsb_p(port,from,len) outsb(port,from,len) +#define outsw_p(port,from,len) outsw(port,from,len) +#define outsl_p(port,from,len) outsl(port,from,len) +#define insb_p(port,to,len) insb(port,to,len) +#define insw_p(port,to,len) insw(port,to,len) +#define insl_p(port,to,len) insl(port,to,len) + +/* + * ioremap and friends. + * + * ioremap takes a PCI memory address, as specified in + * linux/Documentation/IO-mapping.txt. If you want a + * physical address, use __ioremap instead. + */ +extern void * __ioremap(unsigned long offset, size_t size, unsigned long flags); +extern void __iounmap(void *addr); + +/* + * Generic ioremap support. + * + * Define: + * iomem_valid_addr(off,size) + * iomem_to_phys(off) + */ +#ifdef iomem_valid_addr +#define __arch_ioremap(off,sz,nocache) \ + ({ \ + unsigned long _off = (off), _size = (sz); \ + void *_ret = (void *)0; \ + if (iomem_valid_addr(_off, _size)) \ + _ret = __ioremap(iomem_to_phys(_off),_size,0); \ + _ret; \ + }) + +#define __arch_iounmap __iounmap +#endif + +#define ioremap(off,sz) __arch_ioremap((off),(sz),0) +#define ioremap_nocache(off,sz) __arch_ioremap((off),(sz),1) +#define iounmap(_addr) __arch_iounmap(_addr) + +/* + * DMA-consistent mapping functions. These allocate/free a region of + * uncached, unwrite-buffered mapped memory space for use with DMA + * devices. This is the "generic" version. The PCI specific version + * is in pci.h + */ +extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle); +extern void consistent_free(void *vaddr, size_t size, dma_addr_t handle); +extern void consistent_sync(void *vaddr, size_t size, int rw); + +/* + * String version of IO memory access ops: + */ +extern void _memcpy_fromio(void *, unsigned long, size_t); +extern void _memcpy_toio(unsigned long, const void *, size_t); +extern void _memset_io(unsigned long, int, size_t); + +extern void __readwrite_bug(const char *fn); + +/* + * If this architecture has PCI memory IO, then define the read/write + * macros. These should only be used with the cookie passed from + * ioremap. + */ +#ifdef __mem_pci + +#define readb(c) ({ unsigned int __v = __raw_readb(__mem_pci(c)); __v; }) +#define readw(c) ({ unsigned int __v = le16_to_cpu(__raw_readw(__mem_pci(c))); __v; }) +#define readl(c) ({ unsigned int __v = le32_to_cpu(__raw_readl(__mem_pci(c))); __v; }) + +#define writeb(v,c) __raw_writeb(v,__mem_pci(c)) +#define writew(v,c) __raw_writew(cpu_to_le16(v),__mem_pci(c)) +#define writel(v,c) __raw_writel(cpu_to_le32(v),__mem_pci(c)) + +#define memset_io(c,v,l) _memset_io(__mem_pci(c),(v),(l)) +#define memcpy_fromio(a,c,l) _memcpy_fromio((a),__mem_pci(c),(l)) +#define memcpy_toio(c,a,l) _memcpy_toio(__mem_pci(c),(a),(l)) + +#define eth_io_copy_and_sum(s,c,l,b) \ + eth_copy_and_sum((s),__mem_pci(c),(l),(b)) + +static inline int +check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + do { + if (readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#elif !defined(readb) + +#define readb(addr) (__readwrite_bug("readb"),0) +#define readw(addr) (__readwrite_bug("readw"),0) +#define readl(addr) (__readwrite_bug("readl"),0) +#define writeb(v,addr) __readwrite_bug("writeb") +#define writew(v,addr) __readwrite_bug("writew") +#define writel(v,addr) __readwrite_bug("writel") + +#define eth_io_copy_and_sum(a,b,c,d) __readwrite_bug("eth_io_copy_and_sum") + +#define check_signature(io,sig,len) (0) + +#endif /* __mem_pci */ + +/* + * If this architecture has ISA IO, then define the isa_read/isa_write + * macros. + */ +#ifdef __mem_isa + +#define isa_readb(addr) __raw_readb(__mem_isa(addr)) +#define isa_readw(addr) __raw_readw(__mem_isa(addr)) +#define isa_readl(addr) __raw_readl(__mem_isa(addr)) +#define isa_writeb(val,addr) __raw_writeb(val,__mem_isa(addr)) +#define isa_writew(val,addr) __raw_writew(val,__mem_isa(addr)) +#define isa_writel(val,addr) __raw_writel(val,__mem_isa(addr)) +#define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c)) +#define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c)) +#define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c)) + +#define isa_eth_io_copy_and_sum(a,b,c,d) \ + eth_copy_and_sum((a),__mem_isa(b),(c),(d)) + +static inline int +isa_check_signature(unsigned long io_addr, const unsigned char *signature, + int length) +{ + int retval = 0; + do { + if (isa_readb(io_addr) != *signature) + goto out; + io_addr++; + signature++; + length--; + } while (length); + retval = 1; +out: + return retval; +} + +#else /* __mem_isa */ + +#define isa_readb(addr) (__readwrite_bug("isa_readb"),0) +#define isa_readw(addr) (__readwrite_bug("isa_readw"),0) +#define isa_readl(addr) (__readwrite_bug("isa_readl"),0) +#define isa_writeb(val,addr) __readwrite_bug("isa_writeb") +#define isa_writew(val,addr) __readwrite_bug("isa_writew") +#define isa_writel(val,addr) __readwrite_bug("isa_writel") +#define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io") +#define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio") +#define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio") + +#define isa_eth_io_copy_and_sum(a,b,c,d) \ + __readwrite_bug("isa_eth_io_copy_and_sum") + +#define isa_check_signature(io,sig,len) (0) + +#endif /* __mem_isa */ +#endif /* __KERNEL__ */ +#endif /* __ASM_NDS_IO_H */ diff --git a/arch/nds32/include/asm/mach-types.h b/arch/nds32/include/asm/mach-types.h new file mode 100644 index 0000000..a6f1c93 --- /dev/null +++ b/arch/nds32/include/asm/mach-types.h @@ -0,0 +1,29 @@ +/* + * This was automagically generated from arch/nds/tools/mach-types! + * Do NOT edit + */ + +#ifndef __ASM_NDS32_MACH_TYPE_H +#define __ASM_NDS32_MACH_TYPE_H + +#ifndef __ASSEMBLY__ +/* The type of machine we're running on */ +extern unsigned int __machine_arch_type; +#endif + +/* see arch/arm/kernel/arch.c for a description of these */ +#define MACH_TYPE_ADPAG101 0 + +#ifdef CONFIG_ARCH_ADPAG101 +# ifdef machine_arch_type +# undef machine_arch_type +# define machine_arch_type __machine_arch_type +# else +# define machine_arch_type MACH_TYPE_ADPAG101 +# endif +# define machine_is_adpag101() (machine_arch_type == MACH_TYPE_ADPAG101) +#else +# define machine_is_adpag101() (0) +#endif + +#endif /* __ASM_NDS32_MACH_TYPE_H */ diff --git a/arch/nds32/include/asm/memory.h b/arch/nds32/include/asm/memory.h new file mode 100644 index 0000000..b8cff9b --- /dev/null +++ b/arch/nds32/include/asm/memory.h @@ -0,0 +1,19 @@ +/* + * linux/include/asm-arm/memory.h + * + * Copyright (C) 2000-2002 Russell King + * + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + * + * Note: this file should not be included by non-asm/.h files + */ +#ifndef __ASM_NDS_MEMORY_H +#define __ASM_NDS_MEMORY_H + +#endif /* __ASM_NDS_MEMORY_H */ diff --git a/arch/nds32/include/asm/posix_types.h b/arch/nds32/include/asm/posix_types.h new file mode 100644 index 0000000..246167d --- /dev/null +++ b/arch/nds32/include/asm/posix_types.h @@ -0,0 +1,84 @@ +/* + * linux/include/asm-arm/posix_types.h + * + * Copyright (C) 1996-1998 Russell King. + * + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + * + * Changelog: + * 27-06-1996 RMK Created + * 05-03-2010 Modified for arch NDS32 + */ +#ifndef __ARCH_NDS_POSIX_TYPES_H +#define __ARCH_NDS_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_dev_t; +typedef unsigned long __kernel_ino_t; +typedef unsigned short __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid_t; +typedef unsigned short __kernel_gid_t; +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_daddr_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned short __kernel_old_uid_t; +typedef unsigned short __kernel_old_gid_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +typedef struct { +#if defined(__KERNEL__) || defined(__USE_ALL) + int val[2]; +#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */ + int __val[2]; +#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */ +} __kernel_fsid_t; + +#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) + +#undef __FD_SET +#define __FD_SET(fd, fdsetp) \ + (((fd_set *)fdsetp)->fds_bits[fd >> 5] |= (1<<(fd & 31))) + +#undef __FD_CLR +#define __FD_CLR(fd, fdsetp) \ + (((fd_set *)fdsetp)->fds_bits[fd >> 5] &= ~(1<<(fd & 31))) + +#undef __FD_ISSET +#define __FD_ISSET(fd, fdsetp) \ + ((((fd_set *)fdsetp)->fds_bits[fd >> 5] & (1<<(fd & 31))) != 0) + +#undef __FD_ZERO +#define __FD_ZERO(fdsetp) \ + (memset (fdsetp, 0, sizeof (*(fd_set *)fdsetp))) + +#endif + +#endif /* __ARCH_NDS_POSIX_TYPES_H */ diff --git a/arch/nds32/include/asm/processor.h b/arch/nds32/include/asm/processor.h new file mode 100644 index 0000000..19fdcc0 --- /dev/null +++ b/arch/nds32/include/asm/processor.h @@ -0,0 +1,25 @@ +/* + * linux/include/asm-arm/processor.h + * + * Copyright (C) 1995-2002 Russell King + * + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + */ + +#ifndef __ASM_NDS_PROCESSOR_H +#define __ASM_NDS_PROCESSOR_H + +/************************************************************** + * CAUTION: + * - do not implement for NDS32 Arch yet. + * - so far some files include /asm/processor.h, but + * no one uses the macros defined in this head file. + **************************************************************/ + +#endif /* __ASM_ARM_PROCESSOR_H */ diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h new file mode 100644 index 0000000..fb804cb --- /dev/null +++ b/arch/nds32/include/asm/ptrace.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + */ + +/* + * CAUTION: + * - do not implement for NDS32 Arch yet. + * - included in common.h + */ + +#ifndef __ASM_NDS_PTRACE_H +#define __ASM_NDS_PTRACE_H + +#include <asm/ptregs.h> + +#endif /* __ASM_NDS_PTRACE_H */ diff --git a/arch/nds32/include/asm/ptregs.h b/arch/nds32/include/asm/ptregs.h new file mode 100644 index 0000000..0d34b04 --- /dev/null +++ b/arch/nds32/include/asm/ptregs.h @@ -0,0 +1,82 @@ +/* + * linux/include/asm-arm/proc-armv/ptrace.h + * + * Copyright (C) 1996-1999 Russell King + * + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * 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. + */ + +#ifndef __PTREGS_H +#define __PTREGS_H + +#define USR_MODE 0x00 +#define SU_MODE 0x01 +#define HV_MODE 0x10 +#define MODE_MASK (0x03<<3) +#define GIE_BIT 0x01 + +#ifndef __ASSEMBLY__ + +/* this struct defines the way the registers are stored on the + stack during a system call. */ + +struct pt_regs { + long uregs[39]; +}; + +#define PTREGS(reg) [reg] +#define R0 uregs[1] /* R0 */ +#define R1 uregs[2] +#define R2 uregs[3] +#define R3 uregs[4] +#define R4 uregs[5] +#define R5 uregs[6] +#define R6 uregs[7] +#define R7 uregs[8] +#define R8 uregs[9] +#define R9 uregs[10] +#define R10 uregs[11] +#define R11 uregs[12] +#define R12 uregs[13] +#define R13 uregs[14] +#define R14 uregs[15] +#define R15 uregs[16] +#define R16 uregs[17] +#define R17 uregs[18] +#define R18 uregs[19] +#define R19 uregs[20] +#define R20 uregs[21] +#define R21 uregs[22] +#define R22 uregs[23] +#define R23 uregs[24] +#define R24 uregs[25] +#define R25 uregs[26] +#define R26 uregs[27] +#define R27 uregs[28] +#define FP uregs[29] /* R28 */ +#define GP uregs[30] /* R29 */ +#define RA uregs[31] /* R30 */ +#define SP uregs[32] /* R31 */ +#define D0HI uregs[33] +#define D0LO uregs[34] +#define D1HI uregs[35] +#define D1LO uregs[36] +#define PSW uregs[37] /* IR0 */ +#define PC uregs[38] /* PC */ + + +#define processor_mode(regs) \ + (((regs)->PSW & MODE_MASK)>>3) + +#define interrupts_enabled(regs) \ + ((regs)->PSW & GIE_BIT) + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/nds32/include/asm/string.h b/arch/nds32/include/asm/string.h new file mode 100644 index 0000000..85ad363 --- /dev/null +++ b/arch/nds32/include/asm/string.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_NDS_STRING_H +#define __ASM_NDS_STRING_H + +/* + * We don't do inline string functions, since the + * optimised inline asm versions are not small. + */ + +#undef __HAVE_ARCH_STRRCHR +extern char * strrchr(const char * s, int c); + +#undef __HAVE_ARCH_STRCHR +extern char * strchr(const char * s, int c); + +#undef __HAVE_ARCH_MEMCPY +extern void * memcpy(void *, const void *, __kernel_size_t); + +#undef __HAVE_ARCH_MEMMOVE +extern void * memmove(void *, const void *, __kernel_size_t); + +#undef __HAVE_ARCH_MEMCHR +extern void * memchr(const void *, int, __kernel_size_t); + +#undef __HAVE_ARCH_MEMZERO +#undef __HAVE_ARCH_MEMSET +extern void * memset(void *, int, __kernel_size_t); + +#ifdef CONFIG_MARCO_MEMSET +extern void __memzero(void *ptr, __kernel_size_t n); + +#define memset(p,v,n) \ + ({ \ + if ((n) != 0) { \ + if (__builtin_constant_p((v)) && (v) == 0) \ + __memzero((p),(n)); \ + else \ + memset((p),(v),(n)); \ + } \ + (p); \ + }) + +#define memzero(p,n) ({ if ((n) != 0) __memzero((p),(n)); (p); }) +#else +extern void memzero(void *ptr, __kernel_size_t n); +#endif + +#endif /* __ASM_NDS_STRING_H */ diff --git a/arch/nds32/include/asm/types.h b/arch/nds32/include/asm/types.h new file mode 100644 index 0000000..c12b3f4 --- /dev/null +++ b/arch/nds32/include/asm/types.h @@ -0,0 +1,67 @@ +/* + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_NDS_TYPES_H +#define __ASM_NDS_TYPES_H + +typedef unsigned short umode_t; + +/* + * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the + * header files exported to user space + */ + +typedef __signed__ char __s8; +typedef unsigned char __u8; + +typedef __signed__ short __s16; +typedef unsigned short __u16; + +typedef __signed__ int __s32; +typedef unsigned int __u32; + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +typedef __signed__ long long __s64; +typedef unsigned long long __u64; +#endif + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ + +typedef signed char s8; +typedef unsigned char u8; + +typedef signed short s16; +typedef unsigned short u16; + +typedef signed int s32; +typedef unsigned int u32; + +typedef signed long long s64; +typedef unsigned long long u64; + +#define BITS_PER_LONG 32 + +typedef volatile unsigned char vuchar; +typedef volatile unsigned long vulong; +typedef volatile unsigned short vushort; + +#include <stddef.h> + +typedef u32 dma_addr_t; + +typedef unsigned long phys_addr_t; +typedef unsigned long phys_size_t; + +#endif /* __KERNEL__ */ + +#endif diff --git a/arch/nds32/include/asm/u-boot-nds32.h b/arch/nds32/include/asm/u-boot-nds32.h new file mode 100644 index 0000000..644d33b --- /dev/null +++ b/arch/nds32/include/asm/u-boot-nds32.h @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * + * Copyright (C) 2010 Andes Technology Corporation + * Shawn Lin, Andes Technology Corporation nobuhiro@andestech.com + * Macpaul Lin, Andes Technology Corporation macpaul@andestech.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _U_BOOT_NDS32_H_ +#define _U_BOOT_NDS32_H_ 1 + +/* for the following variables, see start.S */ +extern ulong _andesboot_start; /* code start */ +extern ulong _andesboot_end; /* code end */ +extern ulong _andesboot_real_end; /* first usable RAM address */ + +/* board/.../... */ +int board_init(void); +int dram_init (void); + +/* cpu/.../interrupt.c */ +void reset_timer_masked (void); + +/* cpu/.../timer.c */ +int timer_init (void); + +#endif /* _U_BOOT_NDS32_H_ */ diff --git a/arch/nds32/include/asm/u-boot.h b/arch/nds32/include/asm/u-boot.h new file mode 100644 index 0000000..929d367 --- /dev/null +++ b/arch/nds32/include/asm/u-boot.h @@ -0,0 +1,69 @@ +/* + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger mgroeger@sysgo.de + * + * Copyright (C) 2010 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef _U_BOOT_H_ +#define _U_BOOT_H_ 1 + +#include <environment.h> + +typedef struct bd_info { + int bi_baudrate; /* serial console baudrate */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned char bi_enetaddr[6]; /* Ethernet adress */ + + env_t *bi_env; + unsigned long bi_arch_number; /* unique id for this board */ + unsigned long bi_boot_params; /* where this board expects params */ + + unsigned long bi_memstart; /* start of DRAM memory */ + unsigned long bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ + + struct /* RAM configuration */ + { + unsigned long start; + unsigned long size; + } bi_dram[CONFIG_NR_DRAM_BANKS]; + + /* removed according to arm */ + /* struct bd_info_ext bi_ext; */ /* board specific extension */ +} bd_t; + +#define bi_env_data bi_env->data +#define bi_env_crc bi_env->crc + +#endif /* _U_BOOT_H_ */ diff --git a/arch/nds32/include/asm/unaligned.h b/arch/nds32/include/asm/unaligned.h new file mode 100644 index 0000000..4160041 --- /dev/null +++ b/arch/nds32/include/asm/unaligned.h @@ -0,0 +1,31 @@ +/* + * Copyright (C) 2016 Andes Technology Corporation + * Copyright (C) 2010 Macpaul Lin (macpaul@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef _ASM_NDS_UNALIGNED_H +#define _ASM_NDS_UNALIGNED_H + +#include <compiler.h> +/* + * Select endianness + */ +#ifndef __NDSEB__ +#define get_unaligned __get_unaligned_le +#define put_unaligned __put_unaligned_le +#else +#define get_unaligned __get_unaligned_be +#define put_unaligned __put_unaligned_be +#endif /* __NDSEB__ */ + +#include <asm/byteorder.h> + +#include <linux/unaligned/le_byteshift.h> +#include <linux/unaligned/be_byteshift.h> +#include <linux/unaligned/generic.h> + +#endif /* _ASM_NDS_UNALIGNED_H */