svn commit: r209114 - head/sys/powerpc/aim
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Sat Jun 12 21:14:23 UTC 2010
Author: nwhitehorn
Date: Sat Jun 12 21:14:22 2010
New Revision: 209114
URL: http://svn.freebsd.org/changeset/base/209114
Log:
Make SMP work on MPC7400-based Apple desktops like the PowerMac3,3.
Modified:
head/sys/powerpc/aim/mp_cpudep.c
head/sys/powerpc/aim/platform_chrp.c
Modified: head/sys/powerpc/aim/mp_cpudep.c
==============================================================================
--- head/sys/powerpc/aim/mp_cpudep.c Sat Jun 12 20:08:01 2010 (r209113)
+++ head/sys/powerpc/aim/mp_cpudep.c Sat Jun 12 21:14:22 2010 (r209114)
@@ -75,9 +75,21 @@ cpudep_ap_bootstrap(void)
}
static register_t
-mpc745x_l2_enable(register_t l2cr_config)
+mpc74xx_l2_enable(register_t l2cr_config)
{
- register_t ccr;
+ register_t ccr, bit;
+ uint16_t vers;
+
+ vers = mfpvr() >> 16;
+ switch (vers) {
+ case MPC7400:
+ case MPC7410:
+ bit = L2CR_L2IP;
+ break;
+ default:
+ bit = L2CR_L2I;
+ break;
+ }
ccr = mfspr(SPR_L2CR);
if (ccr & L2CR_L2E)
@@ -88,7 +100,7 @@ mpc745x_l2_enable(register_t l2cr_config
mtspr(SPR_L2CR, ccr | L2CR_L2I);
do {
ccr = mfspr(SPR_L2CR);
- } while (ccr & L2CR_L2I);
+ } while (ccr & bit);
powerpc_sync();
mtspr(SPR_L2CR, l2cr_config);
powerpc_sync();
@@ -129,7 +141,7 @@ mpc745x_l3_enable(register_t l3cr_config
}
static register_t
-mpc745x_l1d_enable(void)
+mpc74xx_l1d_enable(void)
{
register_t hid;
@@ -147,7 +159,7 @@ mpc745x_l1d_enable(void)
}
static register_t
-mpc745x_l1i_enable(void)
+mpc74xx_l1i_enable(void)
{
register_t hid;
@@ -267,9 +279,9 @@ cpudep_ap_setup()
mtspr(SPR_HID0, bsp_state[0]); isync();
mtspr(SPR_HID1, bsp_state[1]); isync();
- reg = mpc745x_l2_enable(bsp_state[2]);
- reg = mpc745x_l1d_enable();
- reg = mpc745x_l1i_enable();
+ reg = mpc74xx_l2_enable(bsp_state[2]);
+ reg = mpc74xx_l1d_enable();
+ reg = mpc74xx_l1i_enable();
break;
default:
Modified: head/sys/powerpc/aim/platform_chrp.c
==============================================================================
--- head/sys/powerpc/aim/platform_chrp.c Sat Jun 12 20:08:01 2010 (r209113)
+++ head/sys/powerpc/aim/platform_chrp.c Sat Jun 12 21:14:22 2010 (r209114)
@@ -228,8 +228,26 @@ chrp_smp_start_cpu(platform_t plat, stru
cpu = pc->pc_hwref;
res = OF_getprop(cpu, "soft-reset", &reset, sizeof(reset));
- if (res < 0)
- return (ENXIO);
+ if (res < 0) {
+ reset = 0x58;
+
+ switch (pc->pc_cpuid) {
+ case 0:
+ reset += 0x03;
+ break;
+ case 1:
+ reset += 0x04;
+ break;
+ case 2:
+ reset += 0x0f;
+ break;
+ case 4:
+ reset += 0x10;
+ break;
+ default:
+ return (ENXIO);
+ }
+ }
ap_pcpu = pc;
@@ -239,10 +257,12 @@ chrp_smp_start_cpu(platform_t plat, stru
rstvec = rstvec_virtbase + reset;
*rstvec = 4;
+ powerpc_sync();
(void)(*rstvec);
powerpc_sync();
DELAY(1);
*rstvec = 0;
+ powerpc_sync();
(void)(*rstvec);
powerpc_sync();
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