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-rw-r--r--include/asm-blackfin/processor.h158
1 files changed, 0 insertions, 158 deletions
diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h
deleted file mode 100644
index 6f3995b119d8..000000000000
--- a/include/asm-blackfin/processor.h
+++ /dev/null
@@ -1,158 +0,0 @@
-#ifndef __ASM_BFIN_PROCESSOR_H
-#define __ASM_BFIN_PROCESSOR_H
-
-/*
- * Default implementation of macro that returns current
- * instruction pointer ("program counter").
- */
-#define current_text_addr() ({ __label__ _l; _l: &&_l;})
-
-#include <asm/blackfin.h>
-#include <asm/segment.h>
-#include <linux/compiler.h>
-
-static inline unsigned long rdusp(void)
-{
- unsigned long usp;
-
- __asm__ __volatile__("%0 = usp;\n\t":"=da"(usp));
- return usp;
-}
-
-static inline void wrusp(unsigned long usp)
-{
- __asm__ __volatile__("usp = %0;\n\t"::"da"(usp));
-}
-
-/*
- * User space process size: 1st byte beyond user address space.
- * Fairly meaningless on nommu. Parts of user programs can be scattered
- * in a lot of places, so just disable this by setting it to 0xFFFFFFFF.
- */
-#define TASK_SIZE 0xFFFFFFFF
-
-#ifdef __KERNEL__
-#define STACK_TOP TASK_SIZE
-#endif
-
-#define TASK_UNMAPPED_BASE 0
-
-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 */
- void * debuggerinfo;
-};
-
-#define INIT_THREAD { \
- sizeof(init_stack) + (unsigned long) init_stack, 0, \
- PS_S, 0, 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); \
- (_regs)->pc = (_pc); \
- if (current->mm) \
- (_regs)->p5 = current->mm->start_data; \
- task_thread_info(current)->l1_task_info.stack_start \
- = (void *)current->mm->context.stack_start; \
- task_thread_info(current)->l1_task_info.lowest_sp = (void *)(_usp); \
- memcpy(L1_SCRATCH_TASK_INFO, &task_thread_info(current)->l1_task_info, \
- sizeof(*L1_SCRATCH_TASK_INFO)); \
- wrusp(_usp); \
-} 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)
-{
-}
-
-#define prepare_to_copy(tsk) do { } while (0)
-
-extern int kernel_thread(int (*fn) (void *), void *arg, unsigned long flags);
-
-/*
- * Free current thread data structures etc..
- */
-static inline void exit_thread(void)
-{
-}
-
-/*
- * Return saved PC of a blocked thread.
- */
-#define thread_saved_pc(tsk) (tsk->thread.pc)
-
-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 cpu_relax() barrier()
-
-/* Get the Silicon Revision of the chip */
-static inline uint32_t __pure bfin_revid(void)
-{
- /* stored in the upper 4 bits */
- uint32_t revid = bfin_read_CHIPID() >> 28;
-
-#ifdef CONFIG_BF52x
- /* ANOMALY_05000357
- * Incorrect Revision Number in DSPID Register
- */
- if (revid == 0)
- switch (bfin_read16(_BOOTROM_GET_DXE_ADDRESS_TWI)) {
- case 0x0010:
- revid = 0;
- break;
- case 0x2796:
- revid = 1;
- break;
- default:
- revid = 0xFFFF;
- break;
- }
-#endif
- return revid;
-}
-
-static inline uint32_t __pure bfin_compiled_revid(void)
-{
-#if defined(CONFIG_BF_REV_0_0)
- return 0;
-#elif defined(CONFIG_BF_REV_0_1)
- return 1;
-#elif defined(CONFIG_BF_REV_0_2)
- return 2;
-#elif defined(CONFIG_BF_REV_0_3)
- return 3;
-#elif defined(CONFIG_BF_REV_0_4)
- return 4;
-#elif defined(CONFIG_BF_REV_0_5)
- return 5;
-#elif defined(CONFIG_BF_REV_ANY)
- return 0xffff;
-#else
- return -1;
-#endif
-}
-
-#endif