Re: c-r4k.c cleanup

[Atsushi Nemoto <anemo@mba.ocn.ne.jp>]

>>>>> On Fri, 4 Feb 2005 15:58:03 +0100, Ralf Baechle <ralf@linux-mips.org> 
>>>>> said:
ralf> That's not a new feature in the MIPS world; the R10000 family
ralf> introduced that first and Linux knows how to make use of it.  So
ralf> now I just need to teach c-r4k.c to check the AR bit on the 24K.

20KC Users Manual says it has physically indexed data cache.

--- linux-mips.org/arch/mips/mm/c-r4k.c 2005-02-07 19:06:54.598390493 +0900
+++ linux-mips/arch/mips/mm/c-r4k.c     2005-02-07 19:10:38.779771207 +0900
@@ -1016,6 +1016,8 @@
        case CPU_R10000:
        case CPU_R12000:
                break;
+       case CPU_20KC:  /* physically indexed */
+               break;
        case CPU_24K:
                if (!(read_c0_config7() & (1 << 16)))
        default:

For other MIPS64 core, 5Kc has virtually indexed cache.  How about 25KF?

---
Atsushi Nemoto