135 lines
3.6 KiB
Tcl
135 lines
3.6 KiB
Tcl
# SPDX-License-Identifier: GPL-2.0-or-later
|
|
|
|
# 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 } {
|
|
echo "\tNormal operation"
|
|
} else {
|
|
echo [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" }
|
|
}
|
|
}
|
|
}
|
|
echo [format "\tParity: %s " $s]
|
|
|
|
set x [expr {5 + [show_normalize_bitfield $VAL 7 6]}]
|
|
echo [format "\tDatabits: %d" $x]
|
|
|
|
set x [show_normalize_bitfield $VAL 13 12]
|
|
switch -exact $x {
|
|
0 { echo "\tStop bits: 1" }
|
|
1 { echo "\tStop bits: 1.5" }
|
|
2 { echo "\tStop bits: 2" }
|
|
3 { echo "\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 }
|