blackfin architecture

This adds support for the Analog Devices Blackfin processor architecture, and
currently supports the BF533, BF532, BF531, BF537, BF536, BF534, and BF561
(Dual Core) devices, with a variety of development platforms including those
avaliable from Analog Devices (BF533-EZKit, BF533-STAMP, BF537-STAMP,
BF561-EZKIT), and Bluetechnix!  Tinyboards.

The Blackfin architecture was jointly developed by Intel and Analog Devices
Inc.  (ADI) as the Micro Signal Architecture (MSA) core and introduced it in
December of 2000.  Since then ADI has put this core into its Blackfin
processor family of devices.  The Blackfin core has the advantages of a clean,
orthogonal,RISC-like microprocessor instruction set.  It combines a dual-MAC
(Multiply/Accumulate), state-of-the-art signal processing engine and
single-instruction, multiple-data (SIMD) multimedia capabilities into a single
instruction-set architecture.

The Blackfin architecture, including the instruction set, is described by the
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
http://blackfin.uclinux.org/gf/download/frsrelease/29/2549/Blackfin_PRM.pdf

The Blackfin processor is already supported by major releases of gcc, and
there are binary and source rpms/tarballs for many architectures at:
http://blackfin.uclinux.org/gf/project/toolchain/frs There is complete
documentation, including "getting started" guides available at:
http://docs.blackfin.uclinux.org/ which provides links to the sources and
patches you will need in order to set up a cross-compiling environment for
bfin-linux-uclibc

This patch, as well as the other patches (toolchain, distribution,
uClibc) are actively supported by Analog Devices Inc, at:
http://blackfin.uclinux.org/

We have tested this on LTP, and our test plan (including pass/fails) can
be found at:
http://docs.blackfin.uclinux.org/doku.php?id=testing_the_linux_kernel

[m.kozlowski@tuxland.pl: balance parenthesis in blackfin header files]
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Aubrey Li <aubrey.li@analog.com>
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 382 insertions, 0 deletions

diff --git a/include/asm-blackfin/unistd.h b/include/asm-blackfin/unistd.h
new file mode 100644
index 000000000000..4df8790a67d5
--- /dev/null
+++ b/include/asm-blackfin/unistd.h
@@ -0,0 +1,382 @@
+#ifndef __ASM_BFIN_UNISTD_H
+#define __ASM_BFIN_UNISTD_H
+/*
+ * This file contains the system call numbers.
+ */
+#define __NR_exit                 1
+#define __NR_fork                 2
+#define __NR_read                 3
+#define __NR_write                4
+#define __NR_open                 5
+#define __NR_close                6
+                                /* 7 __NR_waitpid obsolete */
+#define __NR_creat                8
+#define __NR_link                 9
+#define __NR_unlink              10
+#define __NR_execve              11
+#define __NR_chdir               12
+#define __NR_time                13
+#define __NR_mknod               14
+#define __NR_chmod               15
+#define __NR_chown               16
+                                /* 17 __NR_break obsolete */
+                                /* 18 __NR_oldstat obsolete */
+#define __NR_lseek               19
+#define __NR_getpid              20
+#define __NR_mount               21
+                                /* 22 __NR_umount obsolete */
+#define __NR_setuid              23
+#define __NR_getuid              24
+#define __NR_stime               25
+#define __NR_ptrace              26
+#define __NR_alarm               27
+                                /* 28 __NR_oldfstat obsolete */
+#define __NR_pause               29
+                                /* 30 __NR_utime obsolete */
+                                /* 31 __NR_stty obsolete */
+                                /* 32 __NR_gtty obsolete */
+#define __NR_access              33
+#define __NR_nice                34
+                                /* 35 __NR_ftime obsolete */
+#define __NR_sync                36
+#define __NR_kill                37
+#define __NR_rename              38
+#define __NR_mkdir               39
+#define __NR_rmdir               40
+#define __NR_dup                 41
+#define __NR_pipe                42
+#define __NR_times               43
+                                /* 44 __NR_prof obsolete */
+#define __NR_brk                 45
+#define __NR_setgid              46
+#define __NR_getgid              47
+                                /* 48 __NR_signal obsolete */
+#define __NR_geteuid             49
+#define __NR_getegid             50
+#define __NR_acct                51
+#define __NR_umount2             52
+                                /* 53 __NR_lock obsolete */
+#define __NR_ioctl               54
+#define __NR_fcntl               55
+                                /* 56 __NR_mpx obsolete */
+#define __NR_setpgid             57
+                                /* 58 __NR_ulimit obsolete */
+                                /* 59 __NR_oldolduname obsolete */
+#define __NR_umask               60
+#define __NR_chroot              61
+#define __NR_ustat               62
+#define __NR_dup2                63
+#define __NR_getppid             64
+#define __NR_getpgrp             65
+#define __NR_setsid              66
+                                /* 67 __NR_sigaction obsolete */
+#define __NR_sgetmask            68
+#define __NR_ssetmask            69
+#define __NR_setreuid            70
+#define __NR_setregid            71
+                                /* 72 __NR_sigsuspend obsolete */
+                                /* 73 __NR_sigpending obsolete */
+#define __NR_sethostname         74
+#define __NR_setrlimit           75
+                                /* 76 __NR_old_getrlimit obsolete */
+#define __NR_getrusage           77
+#define __NR_gettimeofday        78
+#define __NR_settimeofday        79
+#define __NR_getgroups           80
+#define __NR_setgroups           81
+                                /* 82 __NR_select obsolete */
+#define __NR_symlink             83
+                                /* 84 __NR_oldlstat obsolete */
+#define __NR_readlink            85
+                                /* 86 __NR_uselib obsolete */
+                                /* 87 __NR_swapon obsolete */
+#define __NR_reboot              88
+                                /* 89 __NR_readdir obsolete */
+                                /* 90 __NR_mmap obsolete */
+#define __NR_munmap              91
+#define __NR_truncate            92
+#define __NR_ftruncate           93
+#define __NR_fchmod              94
+#define __NR_fchown              95
+#define __NR_getpriority         96
+#define __NR_setpriority         97
+                                /* 98 __NR_profil obsolete */
+#define __NR_statfs              99
+#define __NR_fstatfs            100
+                                /* 101 __NR_ioperm */
+                                /* 102 __NR_socketcall obsolete */
+#define __NR_syslog             103
+#define __NR_setitimer          104
+#define __NR_getitimer          105
+#define __NR_stat               106
+#define __NR_lstat              107
+#define __NR_fstat              108
+                                /* 109 __NR_olduname obsolete */
+                                /* 110 __NR_iopl obsolete */
+#define __NR_vhangup            111
+                                /* 112 __NR_idle obsolete */
+                                /* 113 __NR_vm86old */
+#define __NR_wait4              114
+                                /* 115 __NR_swapoff obsolete */
+#define __NR_sysinfo            116
+                                /* 117 __NR_ipc oboslete */
+#define __NR_fsync              118
+                                /* 119 __NR_sigreturn obsolete */
+#define __NR_clone              120
+#define __NR_setdomainname      121
+#define __NR_uname              122
+                                /* 123 __NR_modify_ldt obsolete */
+#define __NR_adjtimex           124
+#define __NR_mprotect           125
+                                /* 126 __NR_sigprocmask obsolete */
+                                /* 127 __NR_create_module obsolete */
+#define __NR_init_module        128
+#define __NR_delete_module      129
+                                /* 130 __NR_get_kernel_syms obsolete */
+#define __NR_quotactl           131
+#define __NR_getpgid            132
+#define __NR_fchdir             133
+#define __NR_bdflush            134
+                                /* 135 was sysfs */
+#define __NR_personality        136
+                                /* 137 __NR_afs_syscall */
+#define __NR_setfsuid           138
+#define __NR_setfsgid           139
+#define __NR__llseek            140
+#define __NR_getdents           141
+                                /* 142 __NR__newselect obsolete */
+#define __NR_flock              143
+                                /* 144 __NR_msync obsolete */
+#define __NR_readv              145
+#define __NR_writev             146
+#define __NR_getsid             147
+#define __NR_fdatasync          148
+#define __NR__sysctl            149
+                                /* 150 __NR_mlock */
+                                /* 151 __NR_munlock */
+                                /* 152 __NR_mlockall */
+                                /* 153 __NR_munlockall */
+#define __NR_sched_setparam             154
+#define __NR_sched_getparam             155
+#define __NR_sched_setscheduler         156
+#define __NR_sched_getscheduler         157
+#define __NR_sched_yield                158
+#define __NR_sched_get_priority_max     159
+#define __NR_sched_get_priority_min     160
+#define __NR_sched_rr_get_interval      161
+#define __NR_nanosleep          162
+                                /* 163 __NR_mremap */
+#define __NR_setresuid          164
+#define __NR_getresuid          165
+                                /* 166 __NR_vm86 */
+                                /* 167 __NR_query_module */
+                                /* 168 __NR_poll */
+                                /* 169 __NR_nfsservctl */
+#define __NR_setresgid          170
+#define __NR_getresgid          171
+#define __NR_prctl              172
+#define __NR_rt_sigreturn       173
+#define __NR_rt_sigaction       174
+#define __NR_rt_sigprocmask     175
+#define __NR_rt_sigpending      176
+#define __NR_rt_sigtimedwait    177
+#define __NR_rt_sigqueueinfo    178
+#define __NR_rt_sigsuspend      179
+#define __NR_pread              180
+#define __NR_pwrite             181
+#define __NR_lchown             182
+#define __NR_getcwd             183
+#define __NR_capget             184
+#define __NR_capset             185
+#define __NR_sigaltstack        186
+#define __NR_sendfile           187
+                                /* 188 __NR_getpmsg */
+                                /* 189 __NR_putpmsg */
+#define __NR_vfork              190
+#define __NR_getrlimit          191
+#define __NR_mmap2              192
+#define __NR_truncate64         193
+#define __NR_ftruncate64        194
+#define __NR_stat64             195
+#define __NR_lstat64            196
+#define __NR_fstat64            197
+#define __NR_chown32            198
+#define __NR_getuid32           199
+#define __NR_getgid32           200
+#define __NR_geteuid32          201
+#define __NR_getegid32          202
+#define __NR_setreuid32         203
+#define __NR_setregid32         204
+#define __NR_getgroups32        205
+#define __NR_setgroups32        206
+#define __NR_fchown32           207
+#define __NR_setresuid32        208
+#define __NR_getresuid32        209
+#define __NR_setresgid32        210
+#define __NR_getresgid32        211
+#define __NR_lchown32           212
+#define __NR_setuid32           213
+#define __NR_setgid32           214
+#define __NR_setfsuid32         215
+#define __NR_setfsgid32         216
+#define __NR_pivot_root         217
+                                /* 218 __NR_mincore */
+                                /* 219 __NR_madvise */
+#define __NR_getdents64         220
+#define __NR_fcntl64            221
+                                /* 222 reserved for TUX */
+                                /* 223 reserved for TUX */
+#define __NR_gettid             224
+                                /* 225 __NR_readahead */
+#define __NR_setxattr           226
+#define __NR_lsetxattr          227
+#define __NR_fsetxattr          228
+#define __NR_getxattr           229
+#define __NR_lgetxattr          230
+#define __NR_fgetxattr          231
+#define __NR_listxattr          232
+#define __NR_llistxattr         233
+#define __NR_flistxattr         234
+#define __NR_removexattr        235
+#define __NR_lremovexattr       236
+#define __NR_fremovexattr       237
+#define __NR_tkill              238
+#define __NR_sendfile64         239
+#define __NR_futex              240
+#define __NR_sched_setaffinity  241
+#define __NR_sched_getaffinity  242
+                                /* 243 __NR_set_thread_area */
+                                /* 244 __NR_get_thread_area */
+#define __NR_io_setup           245
+#define __NR_io_destroy         246
+#define __NR_io_getevents       247
+#define __NR_io_submit          248
+#define __NR_io_cancel          249
+                                /* 250 __NR_alloc_hugepages */
+                                /* 251 __NR_free_hugepages */
+#define __NR_exit_group         252
+#define __NR_lookup_dcookie     253
+#define __NR_bfin_spinlock      254
+
+#define __NR_epoll_create       255
+#define __NR_epoll_ctl          256
+#define __NR_epoll_wait         257
+                                /* 258 __NR_remap_file_pages */
+#define __NR_set_tid_address    259
+#define __NR_timer_create       260
+#define __NR_timer_settime      (__NR_timer_create+1)
+#define __NR_timer_gettime      (__NR_timer_create+2)
+#define __NR_timer_getoverrun   (__NR_timer_create+3)
+#define __NR_timer_delete       (__NR_timer_create+4)
+#define __NR_clock_settime      (__NR_timer_create+5)
+#define __NR_clock_gettime      (__NR_timer_create+6)
+#define __NR_clock_getres       (__NR_timer_create+7)
+#define __NR_clock_nanosleep    (__NR_timer_create+8)
+#define __NR_statfs64           269
+#define __NR_fstatfs64          270
+#define __NR_tgkill             271
+#define __NR_utimes             272
+#define __NR_fadvise64_64       273
+                                /* 274 __NR_vserver */
+                                /* 275 __NR_mbind */
+                                /* 276 __NR_get_mempolicy */
+                                /* 277 __NR_set_mempolicy */
+#define __NR_mq_open            278
+#define __NR_mq_unlink          (__NR_mq_open+1)
+#define __NR_mq_timedsend       (__NR_mq_open+2)
+#define __NR_mq_timedreceive    (__NR_mq_open+3)
+#define __NR_mq_notify          (__NR_mq_open+4)
+#define __NR_mq_getsetattr      (__NR_mq_open+5)
+                                /* 284 __NR_sys_kexec_load */
+#define __NR_waitid             285
+#define __NR_add_key            286
+#define __NR_request_key        287
+#define __NR_keyctl             288
+#define __NR_ioprio_set         289
+#define __NR_ioprio_get         290
+#define __NR_inotify_init       291
+#define __NR_inotify_add_watch  292
+#define __NR_inotify_rm_watch   293
+                                /* 294 __NR_migrate_pages */
+#define __NR_openat             295
+#define __NR_mkdirat            296
+#define __NR_mknodat            297
+#define __NR_fchownat           298
+#define __NR_futimesat          299
+#define __NR_fstatat64          300
+#define __NR_unlinkat           301
+#define __NR_renameat           302
+#define __NR_linkat             303
+#define __NR_symlinkat          304
+#define __NR_readlinkat         305
+#define __NR_fchmodat           306
+#define __NR_faccessat          307
+#define __NR_pselect6           308
+#define __NR_ppoll              309
+#define __NR_unshare            310
+
+/* Blackfin private syscalls */
+#define __NR_sram_alloc         311
+#define __NR_sram_free          312
+#define __NR_dma_memcpy         313
+
+/* socket syscalls */
+#define __NR_accept             314
+#define __NR_bind               315
+#define __NR_connect            316
+#define __NR_getpeername        317
+#define __NR_getsockname        318
+#define __NR_getsockopt         319
+#define __NR_listen             320
+#define __NR_recv               321
+#define __NR_recvfrom           322
+#define __NR_recvmsg            323
+#define __NR_send               324
+#define __NR_sendmsg            325
+#define __NR_sendto             326
+#define __NR_setsockopt         327
+#define __NR_shutdown           328
+#define __NR_socket             329
+#define __NR_socketpair         330
+
+/* sysv ipc syscalls */
+#define __NR_semctl             331
+#define __NR_semget             332
+#define __NR_semop              333
+#define __NR_msgctl             334
+#define __NR_msgget             335
+#define __NR_msgrcv             336
+#define __NR_msgsnd             337
+#define __NR_shmat              338
+#define __NR_shmctl             339
+#define __NR_shmdt              340
+#define __NR_shmget             341
+
+#define __NR_syscall            342
+#define NR_syscalls             __NR_syscall
+
+#ifdef __KERNEL__
+#define __ARCH_WANT_IPC_PARSE_VERSION
+#define __ARCH_WANT_STAT64
+#define __ARCH_WANT_SYS_ALARM
+#define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_PAUSE
+#define __ARCH_WANT_SYS_SGETMASK
+#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_FADVISE64
+#define __ARCH_WANT_SYS_GETPGRP
+#define __ARCH_WANT_SYS_LLSEEK
+#define __ARCH_WANT_SYS_NICE
+#define __ARCH_WANT_SYS_RT_SIGACTION
+#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#endif
+
+/*
+ * "Conditional" syscalls
+ *
+ * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
+ * but it doesn't work on all toolchains, so we just do it by hand
+ */
+#define cond_syscall(x) asm(".weak\t_" #x "\n\t.set\t_" #x ",_sys_ni_syscall");
+
+#endif                          /* __ASM_BFIN_UNISTD_H */