From: Dirk Eibach <eib...@gdsys.de>
If CONFIG_RELEASE_CORE0_ONLY is set, all cores except core0 are kept in
holdoff mode.
Signed-off-by: Dirk Eibach <dirk.eib...@gdsys.cc>
---
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None
arch/powerpc/cpu/mpc85xx/mp.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c
index 43d4836..73c1024 100644
--- a/arch/powerpc/cpu/mpc85xx/mp.c
+++ b/arch/powerpc/cpu/mpc85xx/mp.c
@@ -350,7 +350,11 @@ static void plat_mp_up(unsigned long bootpg, unsigned int
pagesize)
volatile ccsr_pic_t *pic = (void *)(CONFIG_SYS_MPC8xxx_PIC_ADDR);
u32 devdisr;
int timeout = 10;
+ int numcores = 1;
+#ifndef CONFIG_RELEASE_CORE0_ONLY
+ numcores = cpu_numcores();
+#endif
whoami = in_be32(&pic->whoami);
out_be32(&ecm->bptr, 0x80000000 | (bootpg >> 12));
@@ -363,7 +367,7 @@ static void plat_mp_up(unsigned long bootpg, unsigned int
pagesize)
out_be32(&gur->devdisr, devdisr);
/* release the hounds */
- up = ((1 << cpu_numcores()) - 1);
+ up = ((1 << numcores) - 1);
bpcr = in_be32(&ecm->eebpcr);
bpcr |= (up << 24);
out_be32(&ecm->eebpcr, bpcr);
@@ -373,7 +377,7 @@ static void plat_mp_up(unsigned long bootpg, unsigned int
pagesize)
/* wait for everyone */
while (timeout) {
int i;
- for (i = 0; i < cpu_numcores(); i++) {
+ for (i = 0; i < numcores; i++) {
if (table[i * NUM_BOOT_ENTRY + BOOT_ENTRY_ADDR_LOWER])
cpu_up_mask |= (1 << i);
};
--
1.7.2.5
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