system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-10-18 22:33:39 +00:00
Code Issues Packages Projects Releases Wiki Activity

Make SMP work on MPC7400-based Apple desktops like the PowerMac3,3.

Browse source
This commit is contained in:
Nathan Whitehorn 2010-06-12 21:14:22 +00:00
parent 3583a05a70
commit ed6e65a2fe
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209114
2 changed files with 42 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
sys/powerpc/aim/mp_cpudep.c
View file

@ -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:

24
sys/powerpc/aim/platform_chrp.c
View file

@ -228,8 +228,26 @@ chrp_smp_start_cpu(platform_t plat, struct pcpu *pc)
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, struct pcpu *pc)
rstvec = rstvec_virtbase + reset;
*rstvec = 4;
powerpc_sync();
(void)(*rstvec);
powerpc_sync();
DELAY(1);
*rstvec = 0;
powerpc_sync();
(void)(*rstvec);
powerpc_sync();