提交 441ee341 编写于 作者: R Ralf Baechle

[MIPS] Fix RM9000 wait instruction detection.

Only revisions < 4.0 don't have a functional wait instruction.

From Thomas Koeller (Thomas.Koeller@baslerweb.com).
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
上级 81e859ac
...@@ -135,7 +135,6 @@ static inline void check_wait(void) ...@@ -135,7 +135,6 @@ static inline void check_wait(void)
case CPU_R5000: case CPU_R5000:
case CPU_NEVADA: case CPU_NEVADA:
case CPU_RM7000: case CPU_RM7000:
case CPU_RM9000:
case CPU_4KC: case CPU_4KC:
case CPU_4KEC: case CPU_4KEC:
case CPU_4KSC: case CPU_4KSC:
...@@ -164,6 +163,14 @@ static inline void check_wait(void) ...@@ -164,6 +163,14 @@ static inline void check_wait(void)
} else } else
printk(" unavailable.\n"); printk(" unavailable.\n");
break; break;
case CPU_RM9000:
if ((c->processor_id & 0x00ff) >= 0x40) {
cpu_wait = r4k_wait;
printk(" available.\n");
} else {
printk(" unavailable.\n");
}
break;
default: default:
printk(" unavailable.\n"); printk(" unavailable.\n");
break; break;
......
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