3 * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 #include <asm/mipsregs.h>
28 #include <asm/cacheops.h>
29 #include <asm/reboot.h>
31 #define cache_op(op,addr) \
32 __asm__ __volatile__( \
34 " .set noreorder \n" \
35 " .set mips3\n\t \n" \
39 : "i" (op), "R" (*(unsigned char *)(addr)))
41 void __attribute__((weak
)) _machine_restart(void)
45 int do_reset(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
49 fprintf(stderr
, "*** reset failed ***\n");
53 void flush_cache(ulong start_addr
, ulong size
)
55 unsigned long lsize
= CONFIG_SYS_CACHELINE_SIZE
;
56 unsigned long addr
= start_addr
& ~(lsize
- 1);
57 unsigned long aend
= (start_addr
+ size
- 1) & ~(lsize
- 1);
60 cache_op(Hit_Writeback_Inv_D
, addr
);
61 cache_op(Hit_Invalidate_I
, addr
);
68 void flush_dcache_range(ulong start_addr
, ulong stop
)
70 unsigned long lsize
= CONFIG_SYS_CACHELINE_SIZE
;
71 unsigned long addr
= start_addr
& ~(lsize
- 1);
72 unsigned long aend
= (stop
- 1) & ~(lsize
- 1);
75 cache_op(Hit_Writeback_Inv_D
, addr
);
82 void invalidate_dcache_range(ulong start_addr
, ulong stop
)
84 unsigned long lsize
= CONFIG_SYS_CACHELINE_SIZE
;
85 unsigned long addr
= start_addr
& ~(lsize
- 1);
86 unsigned long aend
= (stop
- 1) & ~(lsize
- 1);
89 cache_op(Hit_Invalidate_D
, addr
);
96 void write_one_tlb(int index
, u32 pagemask
, u32 hi
, u32 low0
, u32 low1
)
98 write_c0_entrylo0(low0
);
99 write_c0_pagemask(pagemask
);
100 write_c0_entrylo1(low1
);
101 write_c0_entryhi(hi
);
102 write_c0_index(index
);
106 int cpu_eth_init(bd_t
*bis
)
108 #ifdef CONFIG_SOC_AU1X00
109 au1x00_enet_initialize(bis
);