imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / include / asm-blackfin / processor.h

diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h
index 19bd72010661e47d2ade0ea72ce487a7c444e9ff..d700ccef2fe93af96e9b47a5c57d40de8b66e326 100755 (executable)
--- a/include/asm-blackfin/processor.h
+++ b/include/asm-blackfin/processor.h
@@ -1,7 +1,7 @@
 /*
  * U-boot - processor.h
  *
- * Copyright (c) 2005 blackfin.uclinux.org
+ * Copyright (c) 2005-2007 Analog Devices Inc.
  *
  * This file is based on
  * include/asm-m68k/processor.h
@@ -23,152 +23,13 @@
  *
  * 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
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
+ * MA 02110-1301 USA
  */
 
 #ifndef __ASM_BLACKFIN_PROCESSOR_H
 #define __ASM_BLACKFIN_PROCESSOR_H
 
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr()    ({ __label__ _l; _l: &&_l;})
-
-#include <linux/config.h>
-#include <asm/segment.h>
-#include <asm/ptrace.h>
-#include <asm/current.h>
-
-extern inline unsigned long rdusp(void)
-{
-       unsigned long usp;
-
-       __asm__ __volatile__("%0 = usp;\n\t":"=da"(usp));
-       return usp;
-}
-
-extern inline void wrusp(unsigned long usp)
-{
-       __asm__ __volatile__("usp = %0;\n\t"::"da"(usp));
-}
-
-/*
- * User space process size: 3.75GB. This is hardcoded into a few places,
- * so don't change it unless you know what you are doing.
- */
-#define TASK_SIZE              (0xF0000000UL)
-
-/*
- * Bus types
- */
-#define EISA_bus               0
-#define MCA_bus                        0
-
-/*  There is no pc register avaliable for BLACKFIN, so we are going to get
- *  it indirectly
- */
-
-#if 0
-inline unsigned long obtain_pc_indirectly(void)
-{
-       unsigned long pc;
-       __asm__ __volatile__("%0 = rets;\n":"=d"(pc));
-       return (pc - 4);        /* call pcrel24 is 4 bytes long  */
-}
-#endif
-
-/*
- * if you change this structure, you must change the code and offsets
- * in m68k/machasm.S
- */
-
-struct thread_struct {
-       unsigned long ksp;      /* kernel stack pointer */
-       unsigned long usp;      /* user stack pointer */
-       unsigned short seqstat; /* saved status register */
-       unsigned long esp0;     /* points to SR of stack frame pt_regs */
-       unsigned long pc;       /* instruction pointer */
-};
-
-#define INIT_MMAP { &init_mm, 0, 0x40000000, NULL, __pgprot(_PAGE_PRESENT|_PAGE_ACCESSED), VM_READ | VM_WRITE | VM_EXEC, 1, NULL, NULL }
-
-#define INIT_THREAD  { \
-       sizeof(init_stack) + (unsigned long) init_stack, 0, \
-       PS_S, 0\
-}
-
-/*
- * Do necessary setup to start up a newly executed thread.
- *
- * pass the data segment into user programs if it exists,
- * it can't hurt anything as far as I can tell
- */
-#define start_thread(_regs, _pc, _usp)           \
-do {                                             \
-       set_fs(USER_DS); /* reads from user space */ \
-       (_regs)->pc = (_pc);                         \
-       if (current->mm)                             \
-               (_regs)->r5 = current->mm->start_data;   \
-       (_regs)->seqstat &= ~0x0c00;                      \
-       wrusp(_usp);                                 \
-       /* Adde by HuTao, May 26, 2003 3:39PM */\
-       if ((_regs)->ipend & 0x8000) /* check whether system in supper mode - StChen */\
-               (_regs)->ipend = 0x0;\
-} while(0)
-
-/* Forward declaration, a strange C thing */
-struct task_struct;
-
-/* Free all resources held by a thread. */
-static inline void release_thread(struct task_struct *dead_task)
-{
-}
-
-extern int kernel_thread(int (*fn) (void *), void *arg,
-                        unsigned long flags);
-
-#define copy_segments(tsk, mm)         do { } while (0)
-#define release_segments(mm)           do { } while (0)
-#define forget_segments()              do { } while (0)
-
-/*
- * Free current thread data structures etc..
- */
-static inline void exit_thread(void)
-{
-}
-
-/*
- * Return saved PC of a blocked thread.
- */
-extern inline unsigned long thread_saved_pc(struct thread_struct *t)
-{
-       extern void scheduling_functions_start_here(void);
-       extern void scheduling_functions_end_here(void);
-       return 0;
-}
-
-unsigned long get_wchan(struct task_struct *p);
-
-#define        KSTK_EIP(tsk)   \
-       ({                      \
-       unsigned long eip = 0;   \
-       if ((tsk)->thread.esp0 > PAGE_SIZE && \
-               MAP_NR((tsk)->thread.esp0) < max_mapnr) \
-               eip = ((struct pt_regs *) (tsk)->thread.esp0)->pc; \
-       eip; })
-#define        KSTK_ESP(tsk)   ((tsk) == current ? rdusp() : (tsk)->thread.usp)
-#define THREAD_SIZE    (2*PAGE_SIZE)
-
-/* Allocation and freeing of basic task resources. */
-#define alloc_task_struct() \
-       ((struct task_struct *) __get_free_pages(GFP_KERNEL,1))
-#define free_task_struct(p)    free_pages((unsigned long)(p),1)
-#define get_task_struct(tsk)   atomic_inc(&mem_map[MAP_NR(tsk)].count)
-
-#define init_task              (init_task_union.task)
-#define init_stack             (init_task_union.stack)
+/* Stub to make stupid common code happy */
 
 #endif