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authorKumar Gala <galak@kernel.crashing.org>2010-01-12 12:56:05 -0600
committerKumar Gala <galak@kernel.crashing.org>2010-01-26 23:17:50 -0600
commita9c3ac78d81d7ff4fe239e292e11e0f78ac5d461 (patch)
tree533cf3a024947aaf74c16573a6d951cd0c3d0a7d
parentc894852b7aa2ac5f04ca70a073f803aa665c3ec1 (diff)
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85xx: Add support for 'cpu disable' command
Support disabling of a core via user command 'cpu disable'. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
-rw-r--r--cpu/mpc85xx/mp.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/cpu/mpc85xx/mp.c b/cpu/mpc85xx/mp.c
index 6ae7f0a..826bf32 100644
--- a/cpu/mpc85xx/mp.c
+++ b/cpu/mpc85xx/mp.c
@@ -68,11 +68,35 @@ int cpu_status(int nr)
return 0;
}
+#ifdef CONFIG_FSL_CORENET
+int cpu_disable(int nr)
+{
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ setbits_be32(&gur->coredisrl, 1 << nr);
+
+ return 0;
+}
+#else
int cpu_disable(int nr)
{
- /* dummy function so common/cmd_mp.c will build */
- return 1;
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ switch (nr) {
+ case 0:
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_CPU0);
+ break;
+ case 1:
+ setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_CPU1);
+ break;
+ default:
+ printf("Invalid cpu number for disable %d\n", nr);
+ return 1;
+ }
+
+ return 0;
}
+#endif
static u8 boot_entry_map[4] = {
0,