tcl: add SPDX tag

[fw/openocd] / tcl / chip / atmel / at91 / usarts.tcl

diff --git a/tcl/chip/atmel/at91/usarts.tcl b/tcl/chip/atmel/at91/usarts.tcl
index 19f4ed4cff2cfa88730279145d286a3389d97953..62a651bbdc4f87c20930ddc5da5624a43717ce11 100644 (file)
--- a/tcl/chip/atmel/at91/usarts.tcl
+++ b/tcl/chip/atmel/at91/usarts.tcl
@@ -1,20 +1,22 @@
+# 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 $AT91C_BASE_DBGU + 0x00000020]
+set DBGU_CR         [expr {$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 $AT91C_BASE_DBGU + 0x00000048]
+set DBGU_CIDR       [expr {$AT91C_BASE_DBGU + 0x00000040}]
+set DBGU_EXID       [expr {$AT91C_BASE_DBGU + 0x00000044}]
+set DBGU_FNTR       [expr {$AT91C_BASE_DBGU + 0x00000048}]
 
 
 set USx_CR           0x00000000
@@ -41,37 +43,37 @@ proc show_mmr_USx_MR_helper { NAME ADDR VAL } {
 
     set x [show_normalize_bitfield $VAL 3 0]
     if { $x == 0 } {
-       puts "\tNormal operation"
+       echo "\tNormal operation"
     } else {
-       puts [format "\tNon Normal operation mode: 0x%02x" $x]
+       echo [format "\tNon Normal operation mode: 0x%02x" $x]
     }
 
     set x [show_normalize_bitfield $VAL 11 9]
     set s "unknown"
-    switch -exact $x { 
+    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]
+           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]
+    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 { puts "\tStop bits: 1" }
-       1 { puts "\tStop bits: 1.5" }
-       2 { puts "\tStop bits: 2" }
-       3 { puts "\tStop bits: Illegal/Reserved" }
+       0 { echo "\tStop bits: 1" }
+       1 { echo "\tStop bits: 1.5" }
+       2 { echo "\tStop bits: 2" }
+       3 { echo "\tStop bits: Illegal/Reserved" }
     }
 }
 
@@ -80,7 +82,7 @@ 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 
+    # Only if it exists on the chip
     if [ info exists $n ] {
        # Hence: $n - is like AT91C_BASE_USx
        # For every sub-register
@@ -89,7 +91,7 @@ foreach WHO { US0 US1 US2 US3 US4 US5 US6 US7 US8 US9 } {
            set vn [set WHO]_[set REG]
            # vn = USx_IER
            # vv = variable value
-           set vv [expr $$n + [set USx_[set REG]]]
+           set vv [expr "$$n + [set USx_[set REG]]"]
            # And VV is the address in memory of that register
 
 
@@ -114,12 +116,12 @@ set str ""
 
 
 # For every sub-register
-foreach REG {DBGU_CR DBGU_MR DBGU_IER DBGU_IDR DBGU_IMR 
+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"
 }
@@ -130,6 +132,3 @@ proc show_DBGU { } $str
 unset str
 
 proc show_DBGU_MR_helper { NAME ADDR VAL } { show_mmr_USx_MR_helper $NAME $ADDR $VAL }
-
-
-