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-rw-r--r--cpu/mpc83xx/cpu.c34
-rw-r--r--cpu/mpc83xx/fdt.c18
2 files changed, 52 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 */
diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c
index f890775..4cc9047 100644
--- a/cpu/mpc83xx/fdt.c
+++ b/cpu/mpc83xx/fdt.c
@@ -32,6 +32,20 @@ extern void ft_qe_setup(void *blob);
DECLARE_GLOBAL_DATA_PTR;
+#if defined(CONFIG_BOOTCOUNT_LIMIT) && defined(CONFIG_MPC8360)
+#include <asm/immap_qe.h>
+
+void fdt_fixup_muram (void *blob)
+{
+ ulong data[2];
+
+ data[0] = 0;
+ data[1] = QE_MURAM_SIZE - 2 * sizeof(unsigned long);
+ do_fixup_by_path(blob, "/qe/muram/data-only", "reg",
+ data, sizeof (data), 0);
+}
+#endif
+
void ft_cpu_setup(void *blob, bd_t *bd)
{
immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
@@ -83,4 +97,8 @@ void ft_cpu_setup(void *blob, bd_t *bd)
#endif
fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
+
+#if defined(CONFIG_BOOTCOUNT_LIMIT)
+ fdt_fixup_muram (blob);
+#endif
}