85xx: Added support for multicore boot mechanism
Added the cpu command that provides a generic mechanism to get status,
reset, and release secondary cores in multicore processors.
Added support for using the ePAPR defined spin-table mechanism on 85xx.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index d769d70..712a078 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1578,7 +1578,11 @@
#define MPC85xx_DEVDISR_RMSG 0x00040000
#define MPC85xx_DEVDISR_DDR 0x00010000
#define MPC85xx_DEVDISR_CPU 0x00008000
+#define MPC85xx_DEVDISR_CPU0 MPC85xx_DEVDISR_CPU
#define MPC85xx_DEVDISR_TB 0x00004000
+#define MPC85xx_DEVDISR_TB0 MPC85xx_DEVDISR_TB
+#define MPC85xx_DEVDISR_CPU1 0x00002000
+#define MPC85xx_DEVDISR_TB1 0x00001000
#define MPC85xx_DEVDISR_DMA 0x00000400
#define MPC85xx_DEVDISR_TSEC1 0x00000080
#define MPC85xx_DEVDISR_TSEC2 0x00000040
diff --git a/include/common.h b/include/common.h
index e03ead1..f496073 100644
--- a/include/common.h
+++ b/include/common.h
@@ -669,4 +669,11 @@
#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+/* Multicore arch functions */
+#ifdef CONFIG_MP
+int cpu_status(int nr);
+int cpu_reset(int nr);
+int cpu_release(int nr, unsigned long boot_addr, int argc, char *argv[]);
+#endif
+
#endif /* __COMMON_H_ */