diff options
| -rw-r--r-- | cpu/mpc512x/cpu.c | 77 | ||||
| -rw-r--r-- | include/configs/ads5121.h | 5 |
2 files changed, 65 insertions, 17 deletions
diff --git a/cpu/mpc512x/cpu.c b/cpu/mpc512x/cpu.c index b59f36d..81bae41 100644 --- a/cpu/mpc512x/cpu.c +++ b/cpu/mpc512x/cpu.c @@ -131,22 +131,69 @@ void watchdog_reset (void) #endif #ifdef CONFIG_OF_LIBFDT -void ft_cpu_setup(void *blob, bd_t *bd) + +#ifdef CONFIG_OF_SUPPORT_OLD_DEVICE_TREES +/* + * fdt setup for old device trees + * fix up + * cpu clocks + * soc clocks + * ethernet addresses + */ +static void old_ft_cpu_setup(void *blob, bd_t *bd) +{ + /* + * avoid fixing up by path because that + * produces scary error messages + */ + + /* + * old device trees have ethernet nodes with + * device_type = "network" + */ + do_fixup_by_prop(blob, "device_type", "network", 8, + "local-mac-address", bd->bi_enetaddr, 6, 0); + do_fixup_by_prop(blob, "device_type", "network", 8, + "address", bd->bi_enetaddr, 6, 0); + /* + * old device trees have soc nodes with + * device_type = "soc" + */ + do_fixup_by_prop_u32(blob, "device_type", "soc", 4, + "bus-frequency", bd->bi_ipsfreq, 0); +} +#endif + +static void ft_clock_setup(void *blob, bd_t *bd) { + int node; char *cpu_path = "/cpus/" OF_CPU; - char *eth_path = "/" OF_SOC "/ethernet@2800"; - char *eth_path_old = "/" OF_SOC_OLD "/ethernet@2800"; - - do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1); - do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1); - do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); - do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipsfreq, 1); - do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0); - - /* this is so old kernels with old device trees will boot */ - do_fixup_by_path_u32(blob, "/" OF_SOC_OLD, "bus-frequency", bd->bi_ipsfreq, 0); - do_fixup_by_path(blob, eth_path_old, "local-mac-address", - bd->bi_enetaddr, 6, 0); - do_fixup_by_path(blob, eth_path_old, "address", bd->bi_enetaddr, 6, 0); + const char *path = NULL; + + /* + * fixup cpu clocks using path + */ + do_fixup_by_path_u32(blob, cpu_path, + "timebase-frequency", OF_TBCLK, 1); + do_fixup_by_path_u32(blob, cpu_path, + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_path_u32(blob, cpu_path, + "clock-frequency", bd->bi_intfreq, 1); + /* + * fixup soc clocks using compatible + */ + do_fixup_by_compat_u32(blob, OF_SOC_COMPAT, + "bus-frequency", bd->bi_ipsfreq, 1); +} + +void ft_cpu_setup(void *blob, bd_t *bd) +{ +#ifdef CONFIG_OF_SUPPORT_OLD_DEVICE_TREES + old_ft_cpu_setup(blob, bd); +#endif + ft_clock_setup(blob, bd); +#ifdef CONFIG_HAS_ETH0 + fdt_fixup_ethernet(blob, bd); +#endif } #endif diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h index f104e68..091da80 100644 --- a/include/configs/ads5121.h +++ b/include/configs/ads5121.h @@ -308,6 +308,7 @@ #define CONFIG_PHY_ADDR 0x1 #define CONFIG_MII 1 /* MII PHY management */ #define CONFIG_FEC_AN_TIMEOUT 1 +#define CONFIG_HAS_ETH0 /* * Configure on-board RTC @@ -478,10 +479,10 @@ #define CONFIG_OF_LIBFDT 1 #define CONFIG_OF_BOARD_SETUP 1 +#define CONFIG_OF_SUPPORT_OLD_DEVICE_TREES 1 #define OF_CPU "PowerPC,5121@0" -#define OF_SOC "soc@80000000" -#define OF_SOC_OLD "soc5121@80000000" +#define OF_SOC_COMPAT "fsl,mpc5121-immr" #define OF_TBCLK (bd->bi_busfreq / 4) #define OF_STDOUT_PATH "/soc@80000000/serial@11300" |