diff options
Diffstat (limited to 'cpu/mpc83xx/cpu_init.c')
| -rw-r--r-- | cpu/mpc83xx/cpu_init.c | 50 |
1 files changed, 48 insertions, 2 deletions
diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index 3ac91619c..722497966 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -83,20 +83,30 @@ void cpu_init_f (volatile immap_t * im) im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) | (CFG_SPCR_TSEC2EP << SPCR_TSEC2EP_SHIFT); #endif -#ifdef CONFIG_MPC834X #ifdef CFG_SCCR_TSEC1CM /* TSEC1 clock mode */ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) | (CFG_SCCR_TSEC1CM << SCCR_TSEC1CM_SHIFT); #endif + #ifdef CFG_SCCR_TSEC2CM /* TSEC2 & I2C1 clock mode */ im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) | (CFG_SCCR_TSEC2CM << SCCR_TSEC2CM_SHIFT); #endif + +#ifdef CFG_SCCR_TSEC1ON + /* TSEC1 clock switch */ + im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1ON) | (CFG_SCCR_TSEC1ON << SCCR_TSEC1ON_SHIFT); +#endif + +#ifdef CFG_SCCR_TSEC2ON + /* TSEC2 clock switch */ + im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2ON) | (CFG_SCCR_TSEC2ON << SCCR_TSEC2ON_SHIFT); +#endif + #ifdef CFG_SCCR_USBMPHCM /* USB MPH clock mode */ im->clk.sccr = (im->clk.sccr & ~SCCR_USBMPHCM) | (CFG_SCCR_USBMPHCM << SCCR_USBMPHCM_SHIFT); #endif -#endif /* CONFIG_MPC834X */ #ifdef CFG_SCCR_PCICM /* PCI & DMA clock mode */ @@ -247,3 +257,39 @@ int cpu_init_r (void) #endif return 0; } + +/* + * Figure out the cause of the reset + */ +int prt_83xx_rsr(void) +{ + static struct { + ulong mask; + char *desc; + } bits[] = { + { + RSR_SWSR, "Software Soft"}, { + RSR_SWHR, "Software Hard"}, { + RSR_JSRS, "JTAG Soft"}, { + RSR_CSHR, "Check Stop"}, { + RSR_SWRS, "Software Watchdog"}, { + RSR_BMRS, "Bus Monitor"}, { + RSR_SRS, "External/Internal Soft"}, { + RSR_HRS, "External/Internal Hard"} + }; + static int n = sizeof bits / sizeof bits[0]; + ulong rsr = gd->reset_status; + int i; + char *sep; + + puts("Reset Status:"); + + sep = " "; + for (i = 0; i < n; i++) + if (rsr & bits[i].mask) { + printf("%s%s", sep, bits[i].desc); + sep = ", "; + } + puts("\n\n"); + return 0; +} |