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Make sure ABE/SYNCBE are enabled in HID1 for the 7450 CPUs

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Enable XBSEN for the 7450.
This commit is contained in:
matt 2013-09-22 18:05:16 +00:00
parent 73bf23c080
commit 7f12d72195
1 changed files with 24 additions and 8 deletions
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32
sys/arch/powerpc/oea/cpu_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: cpu_subr.c,v 1.76 2012/10/20 14:42:15 kiyohara Exp $ */
/* $NetBSD: cpu_subr.c,v 1.77 2013/09/22 18:05:16 matt Exp $ */
/*-
* Copyright (c) 2001 Matt Thomas.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.76 2012/10/20 14:42:15 kiyohara Exp $");
__KERNEL_RCSID(0, "$NetBSD: cpu_subr.c,v 1.77 2013/09/22 18:05:16 matt Exp $");
#include "opt_ppcparam.h"
#include "opt_ppccache.h"
@ -278,15 +278,31 @@ cpu_model_init(void)
} else if (vers == MPC601) {
oeacpufeat |= OEACPU_601;
} else if (MPC745X_P(vers) && vers != MPC7450) {
oeacpufeat |= OEACPU_HIGHSPRG;
oeacpufeat |= OEACPU_XBSEN;
oeacpufeat |= OEACPU_HIGHBAT;
/* Enable more and larger BAT registers */
} else if (MPC745X_P(vers)) {
register_t hid0 = mfspr(SPR_HID0);
register_t hid1 = mfspr(SPR_HID1);
if (vers != MPC7450) {
/* Enable more SPRG registers */
oeacpufeat |= OEACPU_HIGHSPRG;
/* Enable more BAT registers */
oeacpufeat |= OEACPU_HIGHBAT;
hid0 |= HID0_HIGH_BAT_EN;
}
/* Enable larger BAT registers */
oeacpufeat |= OEACPU_XBSEN;
hid0 |= HID0_XBSEN;
hid0 |= HID0_HIGH_BAT_EN;
/* Enable address broadcasting for MP systems */
hid1 |= HID1_SYNCBE | HID1_ABE;
mtspr(SPR_HID0, hid0);
__asm volatile("sync;isync");
mtspr(SPR_HID0, hid1);
__asm volatile("sync;isync");
} else if (vers == IBM750FX || vers == IBM750GX) {
oeacpufeat |= OEACPU_HIGHBAT;