diff options
Diffstat (limited to 'cpu/mpc5xxx')
| -rw-r--r-- | cpu/mpc5xxx/serial.c | 8 | ||||
| -rw-r--r-- | cpu/mpc5xxx/start.S | 3 |
2 files changed, 7 insertions, 4 deletions
diff --git a/cpu/mpc5xxx/serial.c b/cpu/mpc5xxx/serial.c index 54ecf5b..f463d2c 100644 --- a/cpu/mpc5xxx/serial.c +++ b/cpu/mpc5xxx/serial.c @@ -67,10 +67,10 @@ int serial_init (void) /* select clock sources */ #if defined(CONFIG_MGT5100) psc->psc_clock_select = 0xdd00; - baseclk = CFG_MPC5XXX_CLKIN / 32; + baseclk = (CFG_MPC5XXX_CLKIN + 16) / 32; #elif defined(CONFIG_MPC5200) psc->psc_clock_select = 0; - baseclk = gd->ipb_clk / 32; + baseclk = (gd->ipb_clk + 16) / 32; #endif /* switch to UART mode */ @@ -85,8 +85,8 @@ int serial_init (void) psc->mode = PSC_MODE_ONE_STOP; /* set up UART divisor */ - div = baseclk / gd->baudrate; - psc->ctur = div >> 8; + div = (baseclk + (gd->baudrate/2)) / gd->baudrate; + psc->ctur = (div >> 8) & 0xff; psc->ctlr = div & 0xff; /* disable all interrupts */ diff --git a/cpu/mpc5xxx/start.S b/cpu/mpc5xxx/start.S index a001e1c..26811e1 100644 --- a/cpu/mpc5xxx/start.S +++ b/cpu/mpc5xxx/start.S @@ -104,6 +104,9 @@ boot_warm: mfmsr r5 /* save msr contents */ #if defined(CFG_LOWBOOT) +#if defined(CFG_RAMBOOT) +#error CFG_LOWBOOT is incompatible with CFG_RAMBOOT +#endif /* CFG_RAMBOOT */ lis r4, CFG_DEFAULT_MBAR@h lis r3, 0x0000FF00@h ori r3, r3, 0x0000FF00@l |