diff options
Diffstat (limited to 'cpu/ppc4xx/cpu_init.c')
| -rw-r--r-- | cpu/ppc4xx/cpu_init.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 1d149bc60..ac34092d8 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -40,6 +40,24 @@ void cpu_init_f (void) { +#if defined(CONFIG_405EP) + /* + * GPIO0 setup (select GPIO or alternate function) + */ + out32(GPIO0_OSRH, CFG_GPIO0_OSRH); /* output select */ + out32(GPIO0_OSRL, CFG_GPIO0_OSRL); + out32(GPIO0_ISR1H, CFG_GPIO0_ISR1H); /* input select */ + out32(GPIO0_ISR1L, CFG_GPIO0_ISR1L); + out32(GPIO0_TSRH, CFG_GPIO0_TSRH); /* three-state select */ + out32(GPIO0_TSRL, CFG_GPIO0_TSRL); + out32(GPIO0_TCR, CFG_GPIO0_TCR); /* enable output driver for outputs */ + + /* + * Set EMAC noise filter bits + */ + mtdcr(cpc0_epctl, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE); +#endif /* CONFIG_405EP */ + /* * External Bus Controller (EBC) Setup */ @@ -119,12 +137,14 @@ cpu_init_f (void) */ int cpu_init_r (void) { -#ifdef CONFIG_405GP +#if defined(CONFIG_405GP) || defined(CONFIG_405EP) DECLARE_GLOBAL_DATA_PTR; bd_t *bd = gd->bd; unsigned long reg; +#if defined(CONFIG_405GP) uint pvr = get_pvr(); +#endif /* * Write Ethernetaddress into on-chip register @@ -145,6 +165,7 @@ int cpu_init_r (void) reg |= bd->bi_enetaddr[5]; out32 (EMAC_IAL, reg); +#if defined(CONFIG_405GP) /* * Set edge conditioning circuitry on PPC405GPr * for compatibility to existing PPC405GP designs. @@ -152,7 +173,7 @@ int cpu_init_r (void) if ((pvr & 0xfffffff0) == (PVR_405GPR_RB & 0xfffffff0)) { mtdcr(ecr, 0x60606000); } - -#endif /* CONFIG_405GP */ +#endif /* defined(CONFIG_405GP) */ +#endif /* defined(CONFIG_405GP) || defined(CONFIG_405EP) */ return (0); } |