diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mpc85xx/cpu_init.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c index 3a8aef20d..5862bd6ab 100644 --- a/cpu/mpc85xx/cpu_init.c +++ b/cpu/mpc85xx/cpu_init.c @@ -174,6 +174,19 @@ void cpu_init_f (void) { volatile ccsr_lbc_t *memctl = (void *)(CONFIG_SYS_MPC85xx_LBC_ADDR); extern void m8560_cpm_reset (void); +#ifdef CONFIG_MPC8548 + ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR); + uint svr = get_svr(); + + /* + * CPU2 errata workaround: A core hang possible while executing + * a msync instruction and a snoopable transaction from an I/O + * master tagged to make quick forward progress is present. + * Fixed in silicon rev 2.1. + */ + if ((SVR_MAJ(svr) == 1) || ((SVR_MAJ(svr) == 2 && SVR_MIN(svr) == 0x0))) + out_be32(&ecm->eebpcr, in_be32(&ecm->eebpcr) | (1 << 16)); +#endif disable_tlb(14); disable_tlb(15); |