[src/trunk]: src/sys/arch/macppc/stand/ofwboot support 601, from scole_mail

[macallan <macallan%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/31cc3d0bc31a
branches:  trunk
changeset: 327075:31cc3d0bc31a
user:      macallan <macallan%NetBSD.org@localhost>
date:      Wed Feb 26 21:42:40 2014 +0000

description:
support 601, from scole_mail

diffstat:

 sys/arch/macppc/stand/ofwboot/Locore.c |  44 ++++++++++++++++++++++++++++++++-
 1 files changed, 42 insertions(+), 2 deletions(-)

diffs (65 lines):

diff -r ea86dcb8b0f7 -r 31cc3d0bc31a sys/arch/macppc/stand/ofwboot/Locore.c
--- a/sys/arch/macppc/stand/ofwboot/Locore.c    Wed Feb 26 21:18:14 2014 +0000
+++ b/sys/arch/macppc/stand/ofwboot/Locore.c    Wed Feb 26 21:42:40 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: Locore.c,v 1.24 2011/07/17 20:54:43 joerg Exp $        */
+/*     $NetBSD: Locore.c,v 1.25 2014/02/26 21:42:40 macallan Exp $     */
 
 /*
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -69,6 +69,12 @@
 "      mtmsr   %r0             \n"
 "      isync                   \n"
 "                              \n"
+"                              \n" /* test for 601 */
+"       mfspr   %r0,287        \n" /* mfpvbr %r0 PVR = 287 */
+"       srwi    %r0,%r0,0x10           \n"
+"       cmpi    0,1,%r0,0x02   \n" /* 601 CPU = 0x0001 */
+"       blt     1f             \n" /* skip over non-601 BAT setup */
+       /*non PPC 601 BATs*/
 "      mtibatu 0,%r0           \n"
 "      mtibatu 1,%r0           \n"
 "      mtibatu 2,%r0           \n"
@@ -84,7 +90,41 @@
 "      li      %r9,0x1ffe      \n"     /* BATU(0, BAT_BL_256M, BAT_Vs) */
 "      mtibatu 0,%r9           \n"
 "      mtdbatu 0,%r9           \n"
-"      isync                   \n"
+"      b 2f                    \n"
+
+       /* PPC 601 BATs*/
+"1:    mtibatu 0,%r0           \n"
+"              mtibatu 1,%r0           \n"
+"              mtibatu 2,%r0           \n"
+"              mtibatu 3,%r0           \n"
+"                                      \n"
+"              li      %r9,0x7f        \n"
+"              mtibatl 0,%r9           \n"
+"              li      %r9,0x1a        \n"
+"              mtibatu 0,%r9           \n"
+"                              \n"
+"              lis %r9,0x80            \n"
+"              addi %r9,%r9,0x7f       \n"
+"              mtibatl 1,%r9           \n"
+"              lis %r9,0x80            \n"
+"              addi %r9,%r9,0x1a       \n"
+"              mtibatu 1,%r9           \n"
+"                              \n"
+"              lis %r9,0x100           \n"
+"              addi %r9,%r9,0x7f       \n"
+"              mtibatl 2,%r9           \n"
+"              lis %r9,0x100           \n"
+"              addi %r9,%r9,0x1a       \n"
+"              mtibatu 2,%r9           \n"
+"                              \n"
+"              lis %r9,0x180           \n"
+"              addi %r9,%r9,0x7f       \n"
+"              mtibatl 3,%r9           \n"
+"      lis %r9,0x180           \n"
+"              addi %r9,%r9,0x1a       \n"
+"              mtibatu 3,%r9           \n"
+"                              \n"
+"2:    isync                   \n"
 "                              \n"
 "      mtmsr   %r8             \n"
 "      isync                   \n"