mww $::AT91_CKGR_MOR $ckgr_mor ;# CKGR_MOR - enable main osc.
while { [expr [mrw $::AT91_PMC_SR] & $::AT91_PMC_MOSCS] != $::AT91_PMC_MOSCS } { sleep 1 }
set pllar_val [expr $::AT91_PMC_PLLA_WR_ERRATA] ;# Bit 29 must be 1 when prog
mww $::AT91_CKGR_MOR $ckgr_mor ;# CKGR_MOR - enable main osc.
while { [expr [mrw $::AT91_PMC_SR] & $::AT91_PMC_MOSCS] != $::AT91_PMC_MOSCS } { sleep 1 }
set pllar_val [expr $::AT91_PMC_PLLA_WR_ERRATA] ;# Bit 29 must be 1 when prog