flash/nor/jtagspi: add JTAGSPI driver

[openocd.git] / tcl / cpld / jtagspi.cfg

diff --git a/tcl/cpld/jtagspi.cfg b/tcl/cpld/jtagspi.cfg
new file mode 100644 (file)
index 0000000..60c3cb1
--- /dev/null
+++ b/tcl/cpld/jtagspi.cfg
@@ -0,0 +1,43 @@
+set _USER1 0x02
+
+if { [info exists JTAGSPI_IR] } {
+       set _JTAGSPI_IR $JTAGSPI_IR
+} else {
+       set _JTAGSPI_IR $_USER1
+}
+
+if { [info exists DR_LENGTH] } {
+       set _DR_LENGTH $DR_LENGTH
+} else {
+       set _DR_LENGTH 1
+}
+
+if { [info exists TARGETNAME] } {
+       set _TARGETNAME $TARGETNAME
+} else {
+       set _TARGETNAME $_CHIPNAME.proxy
+}
+
+if { [info exists FLASHNAME] } {
+       set _FLASHNAME $FLASHNAME
+} else {
+       set _FLASHNAME $_CHIPNAME.spi
+}
+
+target create $_TARGETNAME testee -chain-position $_CHIPNAME.tap
+flash bank $_FLASHNAME jtagspi 0 0 0 0 $_TARGETNAME $_JTAGSPI_IR $_DR_LENGTH
+
+proc jtagspi_init {chain_id proxy_bit} {
+       # load proxy bitstream $proxy_bit and probe spi flash
+       global _FLASHNAME
+       pld load $chain_id $proxy_bit
+       reset halt
+       flash probe $_FLASHNAME
+}
+
+proc jtagspi_program {bin addr} {
+       # write and verify binary file $bin at offset $addr
+       global _FLASHNAME
+       flash write_image erase $bin $addr
+       flash verify_bank $_FLASHNAME $bin $addr
+}