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# the DBGU and USARTs are 'almost' indentical'
set DBGU_CR [expr $AT91C_BASE_DBGU + 0x00000000]
set DBGU_MR [expr $AT91C_BASE_DBGU + 0x00000004]
set DBGU_IER [expr $AT91C_BASE_DBGU + 0x00000008]
set DBGU_IDR [expr $AT91C_BASE_DBGU + 0x0000000C]
set DBGU_IMR [expr $AT91C_BASE_DBGU + 0x00000010]
set DBGU_CSR [expr $AT91C_BASE_DBGU + 0x00000014]
set DBGU_RHR [expr $AT91C_BASE_DBGU + 0x00000018]
set DBGU_THR [expr $AT91C_BASE_DBGU + 0x0000001C]
set DBGU_BRGR [expr $AT91C_BASE_DBGU + 0x00000020]
# no RTOR
# no TTGR
# no FIDI
# no NER
set DBGU_CIDR [expr $AT91C_BASE_DBGU + 0x00000040]
set DBGU_EXID [expr $AT91C_BASE_DBGU + 0x00000044]
set DBGU_FNTR [expr $AT91C_BASE_DBGU + 0x00000048]
set USx_CR 0x00000000
set USx_MR 0x00000004
set USx_IER 0x00000008
set USx_IDR 0x0000000C
set USx_IMR 0x00000010
set USx_CSR 0x00000014
set USx_RHR 0x00000018
set USx_THR 0x0000001C
set USx_BRGR 0x00000020
set USx_RTOR 0x00000024
set USx_TTGR 0x00000028
set USx_FIDI 0x00000040
set USx_NER 0x00000044
set USx_IF 0x0000004C
# Create all the uarts that exist..
# we blow up if there are >9
proc show_mmr_USx_MR_helper { NAME ADDR VAL } {
# First - just print it
set x [show_normalize_bitfield $VAL 3 0]
if { $x == 0 } {
puts "\tNormal operation"
} else {
puts [format "\tNon Normal operation mode: 0x%02x" $x]
}
set x [show_normalize_bitfield $VAL 11 9]
set s "unknown"
switch -exact $x {
0 { set s "Even" }
1 { set s "Odd" }
2 { set s "Force=0" }
3 { set s "Force=1" }
* {
set $x [expr $x & 6]
switch -exact $x {
4 { set s "None" }
6 { set s "Multidrop Mode" }
}
}
}
puts [format "\tParity: %s " $s]
set x [expr 5 + [show_normalize_bitfield $VAL 7 6]]
puts [format "\tDatabits: %d" $x]
set x [show_normalize_bitfield $VAL 13 12]
switch -exact $x {
0 { puts "\tStop bits: 1" }
1 { puts "\tStop bits: 1.5" }
2 { puts "\tStop bits: 2" }
3 { puts "\tStop bits: Illegal/Reserved" }
}
}
# For every possbile usart...
foreach WHO { US0 US1 US2 US3 US4 US5 US6 US7 US8 US9 } {
set n AT91C_BASE_[set WHO]
set str ""
# Only if it exists on the chip
if [ info exists $n ] {
# Hence: $n - is like AT91C_BASE_USx
# For every sub-register
foreach REG {CR MR IER IDR IMR CSR RHR THR BRGR RTOR TTGR FIDI NER IF} {
# vn = variable name
set vn [set WHO]_[set REG]
# vn = USx_IER
# vv = variable value
set vv [expr $$n + [set USx_[set REG]]]
# And VV is the address in memory of that register
# make that VN a GLOBAL so others can find it
global $vn
set $vn $vv
# Create a command for this specific register.
proc show_$vn { } "show_mmr32_reg $vn"
# Add this command to the Device(as a whole) command
set str "$str\nshow_$vn"
}
# Now - create the DEVICE(as a whole) command
set fn show_$WHO
proc $fn { } $str
}
}
# The Debug Uart is special..
set str ""
# For every sub-register
foreach REG {DBGU_CR DBGU_MR DBGU_IER DBGU_IDR DBGU_IMR
DBGU_CSR DBGU_RHR DBGU_THR DBGU_BRGR DBGU_CIDR DBGU_EXID DBGU_FNTR} {
# Create a command for this specific register.
proc show_$REG { } "show_mmr32_reg $REG"
# Add this command to the Device(as a whole) command
set str "$str\nshow_$REG"
}
# Now - create the DEVICE(as a whole) command
proc show_DBGU { } $str
unset str
proc show_DBGU_MR_helper { NAME ADDR VAL } { show_mmr_USx_MR_helper $NAME $ADDR $VAL }
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