scripts: Phytec/LPC2350 config scripts

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

tcl/board/phytec_lpc3250.cfg

+source [find target/lpc3250.cfg]
+
+jtag_nsrst_delay 200
+jtag_ntrst_delay 1
+jtag_khz 200
+reset_config trst_and_srst separate
+
+arm7_9 dcc_downloads enable
+
+$_TARGETNAME configure -event gdb-attach { reset init }
+
+$_TARGETNAME configure -event reset-start {
+             arm7_9 fast_memory_access disable
+             jtag_khz 200
+}
+
+$_TARGETNAME configure -event reset-end {
+             jtag_khz 6000
+             arm7_9 fast_memory_access enable
+}
+
+$_TARGETNAME configure -event reset-init { phytec_lpc3250_init }
+
+# Bare-bones initialization of core clocks and SDRAM
+proc phytec_lpc3250_init { } {
+        # Set clock dividers 
+        #   ARMCLK = 266.5 MHz
+        #   HCLK   = 133.25 MHz
+        #   PERIPHCLK = 13.325 MHz
+        mww 0x400040BC 0
+        mww 0x40004050 0x140        
+        mww 0x40004040 0x4D
+        mww 0x40004058 0x16250
+
+        # Init PLLs
+        mww 0x40004044 0x006
+        sleep 1 busy
+        mww 0x40004044 0x106
+        sleep 1 busy
+        mww 0x40004044 0x006        
+        sleep 1 busy
+        mww 0x40004048 0x2
+
+        # Init SDRAM with 133 MHz timings
+        mww 0x40028134 0x00FFFFFF
+        mww 0x4002802C 0x00000008
+
+        mww 0x31080000 1
+        mww 0x31080008 0
+        mww 0x40004068 0x1C000
+        mww 0x31080028 0x11
+        
+        mww 0x31080400 0
+        mww 0x31080440 0
+        mww 0x31080460 0
+        mww 0x31080480 0
+
+        # Delays
+        mww 0x31080030 1
+        mww 0x31080034 6
+        mww 0x31080038 10
+        mww 0x31080044 1
+        mww 0x31080048 9
+        mww 0x3108004C 12
+        mww 0x31080050 10
+        mww 0x31080054 1
+        mww 0x31080058 1
+        mww 0x3108005C 0
+        
+        mww 0x31080100 0x5680
+        mww 0x31080104 0x302
+
+        # Init sequence
+        mww 0x31080020 0x193
+        sleep 1 busy
+        mww 0x31080024 1
+        mww 0x31080020 0x113
+        sleep 1 busy
+        mww 0x31080020 0x013
+        sleep 1 busy
+        mww 0x31080024 65
+        mww 0x31080020 0x093
+        mdw 0x80020000
+        mww 0x31080020 0x013
+
+        # SYS_CTRL remapping
+        mww 0x40004014 1
+}

tcl/target/lpc3250.cfg

+# lpc3250 config
+#
+
+if { [info exists CHIPNAME] } {
+   set  _CHIPNAME $CHIPNAME
+} else {
+   set  _CHIPNAME lpc3250
+}
+
+if { [info exists ENDIAN] } {
+   set  _ENDIAN $ENDIAN
+} else {
+   set  _ENDIAN little
+}
+
+if { [info exists CPUTAPID ] } {
+   set _CPUTAPID $CPUTAPID
+} else {
+   set _CPUTAPID 0x17900f0f
+}
+
+if { [info exists SJCTAPID ] } {
+   set _SJCTAPID $SJCTAPID
+} else {
+   set _SJCTAPID 0x1b900f0f
+}
+
+jtag newtap $_CHIPNAME sjc -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_SJCTAPID
+
+jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME arm926ejs -endian little -chain-position $_TARGETNAME -work-area-phys 0x00000000 -work-area-size 0x7d0000 -work-area-backup 0
+
+proc power_restore {} { puts "Sensed power restore. No action." }
+proc srst_deasserted {} { puts "Sensed nSRST deasserted. No action." }