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-rw-r--r--cpu/mpc83xx/cpu.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/cpu/mpc83xx/cpu.c b/cpu/mpc83xx/cpu.c
index 9e0a05d..876f5c7 100644
--- a/cpu/mpc83xx/cpu.c
+++ b/cpu/mpc83xx/cpu.c
@@ -35,6 +35,10 @@
#include <tsec.h>
#include <netdev.h>
#include <fsl_esdhc.h>
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+#include <asm/immap_qe.h>
+#include <asm/io.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -399,3 +403,33 @@ int cpu_mmc_init(bd_t *bis)
return 0;
#endif
}
+
+#ifdef CONFIG_BOOTCOUNT_LIMIT
+
+#if !defined(CONFIG_MPC8360)
+#error "CONFIG_BOOTCOUNT_LIMIT only for MPC8360 implemented"
+#endif
+
+#if !defined(CONFIG_BOOTCOUNT_ADDR)
+#define CONFIG_BOOTCOUNT_ADDR (0x110000 + QE_MURAM_SIZE - 2 * sizeof(unsigned long))
+#endif
+
+#include <asm/io.h>
+
+void bootcount_store (ulong a)
+{
+ void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR);
+ out_be32 (reg, a);
+ out_be32 (reg + 4, BOOTCOUNT_MAGIC);
+}
+
+ulong bootcount_load (void)
+{
+ void *reg = (void *)(CONFIG_SYS_IMMR + CONFIG_BOOTCOUNT_ADDR);
+
+ if (in_be32 (reg + 4) != BOOTCOUNT_MAGIC)
+ return 0;
+ else
+ return in_be32 (reg);
+}
+#endif /* CONFIG_BOOTCOUNT_LIMIT */