mpc85xx: Add reginfo command

The new command dumps the TLBCAM, the LAWs, and the BR/OR regs.
Add CONFIG_CMD_REGINFO to the config for all MPC85xx parts.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 13 insertions, 0 deletions

diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 9cf2ef9c76..790a6a4a45 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -32,6 +32,8 @@
 #include <fsl_esdhc.h>
 #include <asm/cache.h>
 #include <asm/io.h>
+#include <asm/mmu.h>
+#include <asm/fsl_law.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -322,3 +324,14 @@ int cpu_mmc_init(bd_t *bis)
 	return 0;
 #endif
 }
+
+/*
+ * Print out the state of various machine registers.
+ * Currently prints out LAWs, BR0/OR0, and TLBs
+ */
+void mpc85xx_reginfo(void)
+{
+	print_tlbcam();
+	print_laws();
+	print_lbc_regs();
+}