diff options
| -rw-r--r-- | cpu/mpc83xx/cpu.c | 34 | ||||
| -rw-r--r-- | cpu/mpc83xx/fdt.c | 18 |
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 } |