Nobuhiro Iwamatsu
18 years ago
parent
b8685affe6
commit
b02bad1286
@ -0,0 +1,108 @@ |
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/*
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* (C) Copyright 2007 |
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* Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <asm/processor.h> |
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#include <asm/io.h> |
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/*
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* Jump to P2 area. |
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* When handling TLB or caches, we need to do it from P2 area. |
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*/ |
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#define jump_to_P2() \ |
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do { \
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unsigned long __dummy; \
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__asm__ __volatile__( \
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"mov.l 1f, %0\n\t" \
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"or %1, %0\n\t" \
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"jmp @%0\n\t" \
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" nop\n\t" \
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".balign 4\n" \
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"1: .long 2f\n" \
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"2:" \
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: "=&r" (__dummy) \
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: "r" (0x20000000)); \
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} while (0) |
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/*
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* Back to P1 area. |
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*/ |
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#define back_to_P1() \ |
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do { \
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unsigned long __dummy; \
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__asm__ __volatile__( \
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"nop;nop;nop;nop;nop;nop;nop\n\t" \
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"mov.l 1f, %0\n\t" \
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"jmp @%0\n\t" \
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" nop\n\t" \
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".balign 4\n" \
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"1: .long 2f\n" \
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"2:" \
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: "=&r" (__dummy)); \
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} while (0) |
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#define CACHE_VALID 1 |
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#define CACHE_UPDATED 2 |
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static inline void cache_wback_all(void) |
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{ |
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unsigned long addr, data, i, j; |
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jump_to_P2(); |
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for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++){ |
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for (j = 0; j < CACHE_OC_NUM_WAYS; j++) { |
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addr = CACHE_OC_ADDRESS_ARRAY | (j << CACHE_OC_WAY_SHIFT) |
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| (i << CACHE_OC_ENTRY_SHIFT); |
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data = inl(addr); |
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if (data & CACHE_UPDATED) { |
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data &= ~CACHE_UPDATED; |
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outl(data, addr); |
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} |
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} |
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} |
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back_to_P1(); |
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} |
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#define CACHE_ENABLE 0 |
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#define CACHE_DISABLE 1 |
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int cache_control(unsigned int cmd) |
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{ |
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unsigned long ccr; |
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jump_to_P2(); |
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ccr = inl(CCR); |
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if (ccr & CCR_CACHE_ENABLE) |
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cache_wback_all(); |
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if (cmd == CACHE_DISABLE) |
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outl(CCR_CACHE_STOP, CCR); |
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else |
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outl(CCR_CACHE_INIT, CCR); |
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back_to_P1(); |
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return 0; |
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} |
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@ -1,13 +1,166 @@ |
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#ifndef __ASM_SH_BITOPS_H_ |
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#define __ASM_SH_BITOPS_H_ |
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extern void set_bit(int nr, volatile void * a); |
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extern void clear_bit(int nr, volatile void * a); |
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extern int test_and_clear_bit(int nr, volatile void * a); |
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extern void change_bit(unsigned long nr, volatile void *addr); |
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extern int test_and_set_bit(int nr, volatile void * a); |
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extern int test_and_change_bit(int nr, volatile void * addr); |
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extern int test_bit(int nr, volatile void * a); |
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extern int ffs(int i); |
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#ifndef __ASM_SH_BITOPS_H |
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#define __ASM_SH_BITOPS_H |
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#ifdef __KERNEL__ |
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//#include <asm/system.h>
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#include <asm/irqflags.h> |
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/* For __swab32 */ |
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#include <asm/byteorder.h> |
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static inline void set_bit(int nr, volatile void * addr) |
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{ |
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int mask; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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*a |= mask; |
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local_irq_restore(flags); |
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} |
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/*
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* clear_bit() doesn't provide any barrier for the compiler. |
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*/ |
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#define smp_mb__before_clear_bit() barrier() |
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#define smp_mb__after_clear_bit() barrier() |
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static inline void clear_bit(int nr, volatile void * addr) |
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{ |
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int mask; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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*a &= ~mask; |
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local_irq_restore(flags); |
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} |
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static inline void change_bit(int nr, volatile void * addr) |
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{ |
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int mask; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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*a ^= mask; |
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local_irq_restore(flags); |
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} |
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static inline int test_and_set_bit(int nr, volatile void * addr) |
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{ |
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int mask, retval; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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retval = (mask & *a) != 0; |
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*a |= mask; |
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local_irq_restore(flags); |
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return retval; |
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} |
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static inline int test_and_clear_bit(int nr, volatile void * addr) |
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{ |
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int mask, retval; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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retval = (mask & *a) != 0; |
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*a &= ~mask; |
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local_irq_restore(flags); |
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return retval; |
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} |
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static inline int test_and_change_bit(int nr, volatile void * addr) |
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{ |
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int mask, retval; |
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volatile unsigned int *a = addr; |
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unsigned long flags; |
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a += nr >> 5; |
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mask = 1 << (nr & 0x1f); |
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local_irq_save(flags); |
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retval = (mask & *a) != 0; |
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*a ^= mask; |
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local_irq_restore(flags); |
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return retval; |
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} |
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//#include <asm-generic/bitops/non-atomic.h>
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static inline unsigned long ffz(unsigned long word) |
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{ |
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unsigned long result; |
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__asm__("1:\n\t" |
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"shlr %1\n\t" |
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"bt/s 1b\n\t" |
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" add #1, %0" |
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: "=r" (result), "=r" (word) |
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: "0" (~0L), "1" (word) |
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: "t"); |
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return result; |
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} |
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/**
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* ffs - find first bit in word. |
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* @word: The word to search |
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* |
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* Undefined if no bit exists, so code should check against 0 first. |
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*/ |
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static inline int ffs(int x) |
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{ |
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int r = 1; |
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if (!x) |
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return 0; |
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if (!(x & 0xffff)) { |
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x >>= 16; |
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r += 16; |
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} |
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if (!(x & 0xff)) { |
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x >>= 8; |
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r += 8; |
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} |
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if (!(x & 0xf)) { |
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x >>= 4; |
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r += 4; |
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} |
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if (!(x & 3)) { |
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x >>= 2; |
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r += 2; |
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} |
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if (!(x & 1)) { |
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x >>= 1; |
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r += 1; |
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} |
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return r; |
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} |
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#if 0 |
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#include <asm-generic/bitops/find.h> |
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#include <asm-generic/bitops/ffs.h> |
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#include <asm-generic/bitops/hweight.h> |
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#include <asm-generic/bitops/sched.h> |
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#include <asm-generic/bitops/ext2-non-atomic.h> |
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#include <asm-generic/bitops/ext2-atomic.h> |
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#include <asm-generic/bitops/minix.h> |
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#include <asm-generic/bitops/fls.h> |
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#include <asm-generic/bitops/fls64.h> |
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#endif |
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#endif /* __KERNEL__ */ |
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#endif /* __ASM_SH_BITOPS_H */ |
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@ -1,10 +1,48 @@ |
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/*
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* (C) Copyright 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org> |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, |
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* MA 02111-1307 USA |
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*/ |
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#ifndef _ASM_CPU_SH4_H_ |
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#define _ASM_CPU_SH4_H_ |
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/* cache control */ |
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#define CCR_CACHE_STOP 0x00000808 |
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#define CCR_CACHE_ENABLE 0x00000101 |
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#define CCR_CACHE_ICI 0x00000800 |
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#define CACHE_OC_ADDRESS_ARRAY 0xf4000000 |
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#define CACHE_OC_WAY_SHIFT 14 |
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#define CACHE_OC_NUM_ENTRIES 512 |
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#define CACHE_OC_ENTRY_SHIFT 5 |
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//#define CACHE_OC_NUM_WAYS 1
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#if defined (CONFIG_CPU_SH7750) |
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#include <asm/cpu_sh7750.h> |
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#elif defined (CONFIG_CPU_SH7780) |
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#include <asm/cpu_sh7780.h> |
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//#ifdef CONFIG_CPU_TYPE_R
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//#define CCR_CACHE_INIT 0x8000090d /* EMODE,ICI,ICE(16k),OCI,P1-wb,OCE(32k) */
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//#else
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//#define CCR_CACHE_INIT 0x0000090b
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//#endif
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#elif defined (CONFIG_CPU_SH7722) |
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#include <asm/cpu_sh7722.h> |
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//#define CCR_CACHE_INIT 0x0000090d
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#else |
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#error "Unknown SH4 variant" |
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#endif |
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#endif |
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#endif /* _ASM_CPU_SH4_H_ */ |
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@ -0,0 +1,156 @@ |
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/*
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* U-boot - errno.h Error number defines |
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* |
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* Copyright (c) 2005-2007 Analog Devices Inc. |
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* |
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* See file CREDITS for list of people who contributed to this |
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* project. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of |
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* the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
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* MA 02110-1301 USA |
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*/ |
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#ifndef _BLACKFIN_ERRNO_H |
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#define _BLACKFIN_ERRNO_H |
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#define EPERM 1 /* Operation not permitted */ |
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#define ENOENT 2 /* No such file or directory */ |
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#define ESRCH 3 /* No such process */ |
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#define EINTR 4 /* Interrupted system call */ |
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#define EIO 5 /* I/O error */ |
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#define ENXIO 6 /* No such device or address */ |
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#define E2BIG 7 /* Arg list too long */ |
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#define ENOEXEC 8 /* Exec format error */ |
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#define EBADF 9 /* Bad file number */ |
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#define ECHILD 10 /* No child processes */ |
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#define EAGAIN 11 /* Try again */ |
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#define ENOMEM 12 /* Out of memory */ |
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#define EACCES 13 /* Permission denied */ |
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#define EFAULT 14 /* Bad address */ |
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#define ENOTBLK 15 /* Block device required */ |
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#define EBUSY 16 /* Device or resource busy */ |
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#define EEXIST 17 /* File exists */ |
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#define EXDEV 18 /* Cross-device link */ |
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#define ENODEV 19 /* No such device */ |
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#define ENOTDIR 20 /* Not a directory */ |
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#define EISDIR 21 /* Is a directory */ |
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#define EINVAL 22 /* Invalid argument */ |
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#define ENFILE 23 /* File table overflow */ |
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#define EMFILE 24 /* Too many open files */ |
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#define ENOTTY 25 /* Not a typewriter */ |
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#define ETXTBSY 26 /* Text file busy */ |
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#define EFBIG 27 /* File too large */ |
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#define ENOSPC 28 /* No space left on device */ |
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#define ESPIPE 29 /* Illegal seek */ |
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#define EROFS 30 /* Read-only file system */ |
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#define EMLINK 31 /* Too many links */ |
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#define EPIPE 32 /* Broken pipe */ |
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#define EDOM 33 /* Math argument out of domain of func */ |
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#define ERANGE 34 /* Math result not representable */ |
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#define EDEADLK 35 /* Resource deadlock would occur */ |
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#define ENAMETOOLONG 36 /* File name too long */ |
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#define ENOLCK 37 /* No record locks available */ |
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#define ENOSYS 38 /* Function not implemented */ |
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#define ENOTEMPTY 39 /* Directory not empty */ |
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#define ELOOP 40 /* Too many symbolic links encountered */ |
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#define EWOULDBLOCK EAGAIN /* Operation would block */ |
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#define ENOMSG 42 /* No message of desired type */ |
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#define EIDRM 43 /* Identifier removed */ |
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#define ECHRNG 44 /* Channel number out of range */ |
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#define EL2NSYNC 45 /* Level 2 not synchronized */ |
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#define EL3HLT 46 /* Level 3 halted */ |
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#define EL3RST 47 /* Level 3 reset */ |
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#define ELNRNG 48 /* Link number out of range */ |
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#define EUNATCH 49 /* Protocol driver not attached */ |
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#define ENOCSI 50 /* No CSI structure available */ |
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#define EL2HLT 51 /* Level 2 halted */ |
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#define EBADE 52 /* Invalid exchange */ |
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#define EBADR 53 /* Invalid request descriptor */ |
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#define EXFULL 54 /* Exchange full */ |
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#define ENOANO 55 /* No anode */ |
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#define EBADRQC 56 /* Invalid request code */ |
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#define EBADSLT 57 /* Invalid slot */ |
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#define EDEADLOCK EDEADLK |
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#define EBFONT 59 /* Bad font file format */ |
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#define ENOSTR 60 /* Device not a stream */ |
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#define ENODATA 61 /* No data available */ |
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#define ETIME 62 /* Timer expired */ |
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#define ENOSR 63 /* Out of streams resources */ |
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#define ENONET 64 /* Machine is not on the network */ |
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#define ENOPKG 65 /* Package not installed */ |
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#define EREMOTE 66 /* Object is remote */ |
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#define ENOLINK 67 /* Link has been severed */ |
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#define EADV 68 /* Advertise error */ |
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#define ESRMNT 69 /* Srmount error */ |
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#define ECOMM 70 /* Communication error on send */ |
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#define EPROTO 71 /* Protocol error */ |
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#define EMULTIHOP 72 /* Multihop attempted */ |
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#define EDOTDOT 73 /* RFS specific error */ |
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#define EBADMSG 74 /* Not a data message */ |
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#define EOVERFLOW 75 /* Value too large for defined data type */ |
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#define ENOTUNIQ 76 /* Name not unique on network */ |
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#define EBADFD 77 /* File descriptor in bad state */ |
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#define EREMCHG 78 /* Remote address changed */ |
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#define ELIBACC 79 /* Can not access a needed shared library */ |
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#define ELIBBAD 80 /* Accessing a corrupted shared library */ |
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#define ELIBSCN 81 /* .lib section in a.out corrupted */ |
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#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ |
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#define ELIBEXEC 83 /* Cannot exec a shared library directly */ |
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#define EILSEQ 84 /* Illegal byte sequence */ |
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#define ERESTART 85 /* Interrupted system call should be restarted */ |
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#define ESTRPIPE 86 /* Streams pipe error */ |
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#define EUSERS 87 /* Too many users */ |
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#define ENOTSOCK 88 /* Socket operation on non-socket */ |
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#define EDESTADDRREQ 89 /* Destination address required */ |
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#define EMSGSIZE 90 /* Message too long */ |
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#define EPROTOTYPE 91 /* Protocol wrong type for socket */ |
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#define ENOPROTOOPT 92 /* Protocol not available */ |
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#define EPROTONOSUPPORT 93 /* Protocol not supported */ |
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#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ |
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#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ |
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#define EPFNOSUPPORT 96 /* Protocol family not supported */ |
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#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ |
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#define EADDRINUSE 98 /* Address already in use */ |
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#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ |
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#define ENETDOWN 100 /* Network is down */ |
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#define ENETUNREACH 101 /* Network is unreachable */ |
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#define ENETRESET 102 /* Network dropped connection because of reset */ |
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#define ECONNABORTED 103 /* Software caused connection abort */ |
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#define ECONNRESET 104 /* Connection reset by peer */ |
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#define ENOBUFS 105 /* No buffer space available */ |
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#define EISCONN 106 /* Transport endpoint is already connected */ |
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#define ENOTCONN 107 /* Transport endpoint is not connected */ |
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#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ |
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#define ETOOMANYREFS 109 /* Too many references: cannot splice */ |
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#define ETIMEDOUT 110 /* Connection timed out */ |
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#define ECONNREFUSED 111 /* Connection refused */ |
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#define EHOSTDOWN 112 /* Host is down */ |
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#define EHOSTUNREACH 113 /* No route to host */ |
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#define EALREADY 114 /* Operation already in progress */ |
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#define EINPROGRESS 115 /* Operation now in progress */ |
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#define ESTALE 116 /* Stale NFS file handle */ |
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#define EUCLEAN 117 /* Structure needs cleaning */ |
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#define ENOTNAM 118 /* Not a XENIX named type file */ |
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#define ENAVAIL 119 /* No XENIX semaphores available */ |
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#define EISNAM 120 /* Is a named type file */ |
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#define EREMOTEIO 121 /* Remote I/O error */ |
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#define EDQUOT 122 /* Quota exceeded */ |
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#define ENOMEDIUM 123 /* No medium found */ |
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#define EMEDIUMTYPE 124 /* Wrong medium type */ |
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#endif |
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@ -0,0 +1,126 @@ |
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#ifndef __ASM_SH_IRQFLAGS_H |
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#define __ASM_SH_IRQFLAGS_H |
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static inline void raw_local_irq_enable(void) |
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{ |
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unsigned long __dummy0, __dummy1; |
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__asm__ __volatile__ ( |
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"stc sr, %0\n\t" |
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"and %1, %0\n\t" |
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#ifdef CONFIG_CPU_HAS_SR_RB |
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"stc r6_bank, %1\n\t" |
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"or %1, %0\n\t" |
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#endif |
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"ldc %0, sr\n\t" |
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: "=&r" (__dummy0), "=r" (__dummy1) |
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: "1" (~0x000000f0) |
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: "memory" |
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); |
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} |
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|
||||
static inline void raw_local_irq_disable(void) |
||||
{ |
||||
unsigned long flags; |
||||
|
||||
__asm__ __volatile__ ( |
||||
"stc sr, %0\n\t" |
||||
"or #0xf0, %0\n\t" |
||||
"ldc %0, sr\n\t" |
||||
: "=&z" (flags) |
||||
: /* no inputs */ |
||||
: "memory" |
||||
); |
||||
} |
||||
|
||||
static inline void set_bl_bit(void) |
||||
{ |
||||
unsigned long __dummy0, __dummy1; |
||||
|
||||
__asm__ __volatile__ ( |
||||
"stc sr, %0\n\t" |
||||
"or %2, %0\n\t" |
||||
"and %3, %0\n\t" |
||||
"ldc %0, sr\n\t" |
||||
: "=&r" (__dummy0), "=r" (__dummy1) |
||||
: "r" (0x10000000), "r" (0xffffff0f) |
||||
: "memory" |
||||
); |
||||
} |
||||
|
||||
static inline void clear_bl_bit(void) |
||||
{ |
||||
unsigned long __dummy0, __dummy1; |
||||
|
||||
__asm__ __volatile__ ( |
||||
"stc sr, %0\n\t" |
||||
"and %2, %0\n\t" |
||||
"ldc %0, sr\n\t" |
||||
: "=&r" (__dummy0), "=r" (__dummy1) |
||||
: "1" (~0x10000000) |
||||
: "memory" |
||||
); |
||||
} |
||||
|
||||
static inline unsigned long __raw_local_save_flags(void) |
||||
{ |
||||
unsigned long flags; |
||||
|
||||
__asm__ __volatile__ ( |
||||
"stc sr, %0\n\t" |
||||
"and #0xf0, %0\n\t" |
||||
: "=&z" (flags) |
||||
: /* no inputs */ |
||||
: "memory" |
||||
); |
||||
|
||||
return flags; |
||||
} |
||||
|
||||
#define raw_local_save_flags(flags) \ |
||||
do { (flags) = __raw_local_save_flags(); } while (0) |
||||
|
||||
static inline int raw_irqs_disabled_flags(unsigned long flags) |
||||
{ |
||||
return (flags != 0); |
||||
} |
||||
|
||||
static inline int raw_irqs_disabled(void) |
||||
{ |
||||
unsigned long flags = __raw_local_save_flags(); |
||||
|
||||
return raw_irqs_disabled_flags(flags); |
||||
} |
||||
|
||||
static inline unsigned long __raw_local_irq_save(void) |
||||
{ |
||||
unsigned long flags, __dummy; |
||||
|
||||
__asm__ __volatile__ ( |
||||
"stc sr, %1\n\t" |
||||
"mov %1, %0\n\t" |
||||
"or #0xf0, %0\n\t" |
||||
"ldc %0, sr\n\t" |
||||
"mov %1, %0\n\t" |
||||
"and #0xf0, %0\n\t" |
||||
: "=&z" (flags), "=&r" (__dummy) |
||||
: /* no inputs */ |
||||
: "memory" |
||||
); |
||||
|
||||
return flags; |
||||
} |
||||
|
||||
#define raw_local_irq_save(flags) \ |
||||
do { (flags) = __raw_local_irq_save(); } while (0) |
||||
|
||||
#define local_irq_save raw_local_irq_save |
||||
|
||||
static inline void raw_local_irq_restore(unsigned long flags) |
||||
{ |
||||
if ((flags & 0xf0) != 0xf0) |
||||
raw_local_irq_enable(); |
||||
} |
||||
#define local_irq_restore raw_local_irq_restore |
||||
|
||||
#endif /* __ASM_SH_IRQFLAGS_H */ |
||||
@ -0,0 +1,24 @@ |
||||
#
|
||||
# (C) Copyright 2000-2002
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# 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
|
||||
#
|
||||
|
||||
PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__
|
||||
Loading…
Reference in new issue