tcl: add SPDX tag

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

diff --git a/tcl/chip/atmel/at91/rtt.tcl b/tcl/chip/atmel/at91/rtt.tcl
index 8be6a56b02a2ad47f96442091c525d001aee4fe4..1ef83733bbcc0c322cbac2e8f25ea6b68935ac2c 100644 (file)
--- a/tcl/chip/atmel/at91/rtt.tcl
+++ b/tcl/chip/atmel/at91/rtt.tcl
@@ -1,15 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
 
-set RTTC_RTMR [expr $AT91C_BASE_RTTC + 0x00]
-set RTTC_RTAR [expr $AT91C_BASE_RTTC + 0x04]
-set RTTC_RTVR [expr $AT91C_BASE_RTTC + 0x08]
-set RTTC_RTSR [expr $AT91C_BASE_RTTC + 0x0c]
+set RTTC_RTMR [expr {$AT91C_BASE_RTTC + 0x00}]
+set RTTC_RTAR [expr {$AT91C_BASE_RTTC + 0x04}]
+set RTTC_RTVR [expr {$AT91C_BASE_RTTC + 0x08}]
+set RTTC_RTSR [expr {$AT91C_BASE_RTTC + 0x0c}]
 global RTTC_RTMR
 global RTTC_RTAR
 global RTTC_RTVR
 global RTTC_RTSR
 
 proc show_RTTC_RTMR_helper { NAME ADDR VAL } {
-    set rtpres [expr $VAL & 0x0ffff]
+    set rtpres [expr {$VAL & 0x0ffff}]
     global BIT16 BIT17
     if { $rtpres == 0 } {
        set rtpres 65536;
@@ -17,7 +18,7 @@ proc show_RTTC_RTMR_helper { NAME ADDR VAL } {
     global AT91C_SLOWOSC_FREQ
     # Nasty hack, make this a float by tacking a .0 on the end
     # otherwise, jim makes the value an integer
-    set f [expr $AT91C_SLOWOSC_FREQ.0 / $rtpres.0]
+    set f [expr "$AT91C_SLOWOSC_FREQ.0 / $rtpres.0"]
     echo [format "\tPrescale value: 0x%04x (%5d) => %f Hz" $rtpres $rtpres $f]
     if { $VAL & $BIT16 } {
        echo "\tBit16 -> Alarm IRQ Enabled"
@@ -53,4 +54,3 @@ proc show_RTTC { } {
     show_mmr32_reg RTTC_RTVR
     show_mmr32_reg RTTC_RTSR
 }
-