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- recognize 7447A/7448 CPUs (used in miniMacs)

Browse source 
- enable 745x branch caches. Already enabled by OpenFirmware
on Macs, but reduces NetBSD diffs and usable by embedded folk.

Obtained from:	NetBSD
This commit is contained in:
Peter Grehan 2005-02-04 01:59:48 +00:00
parent 6331aa50d9
commit 79393893e8
1 changed files with 11 additions and 0 deletions
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11
sys/powerpc/powerpc/cpu.c
View file

@ -93,6 +93,8 @@ static const struct cputab models[] = {
{ "Motorola PowerPC 7450", MPC7450, REVFMT_MAJMIN },
{ "Motorola PowerPC 7455", MPC7455, REVFMT_MAJMIN },
{ "Motorola PowerPC 7457", MPC7457, REVFMT_MAJMIN },
{ "Motorola PowerPC 7447A", MPC7447A, REVFMT_MAJMIN },
{ "Motorola PowerPC 7448", MPC7448, REVFMT_MAJMIN },
{ "Motorola PowerPC 8240", MPC8240, REVFMT_MAJMIN },
{ "Unknown PowerPC CPU", 0, REVFMT_HEX }
};
@ -174,9 +176,14 @@ cpu_setup(u_int cpuid)
#endif
break;
case MPC7448:
case MPC7447A:
case MPC7457:
case MPC7455:
case MPC7450:
/* Enable the 7450 branch caches */
hid0 |= HID0_SGE | HID0_BTIC;
hid0 |= HID0_LRSTK | HID0_FOLD | HID0_BHT;
/* Disable BTIC on 7450 Rev 2.0 or earlier and on 7457 */
if (((pvr >> 16) == MPC7450 && (pvr & 0xFFFF) <= 0x0200)
|| (pvr >> 16) == MPC7457)
@ -211,6 +218,8 @@ cpu_setup(u_int cpuid)
mtspr(SPR_HID0, hid0);
switch (vers) {
case MPC7447A:
case MPC7448:
case MPC7450:
case MPC7455:
case MPC7457:
@ -226,6 +235,8 @@ cpu_setup(u_int cpuid)
case IBM750FX:
case MPC7400:
case MPC7410:
case MPC7447A:
case MPC7448:
case MPC7450:
case MPC7455:
case MPC7457: