diff options
Diffstat (limited to 'scripts/fixup-dts')
| -rwxr-xr-x | scripts/fixup-dts | 107 |
1 files changed, 25 insertions, 82 deletions
diff --git a/scripts/fixup-dts b/scripts/fixup-dts index 278b835..8b2457f 100755 --- a/scripts/fixup-dts +++ b/scripts/fixup-dts @@ -38,10 +38,10 @@ if [ `grep -c 'riscv,pmp' ${dts}` -eq 0 ]; then # Check for targets without PMP support TARGET=`echo ${dts} | cut -d '/' -f 1` - if [ $TARGET != "freedom-e310-arty" -a \ - $TARGET != "sifive-hifive1" -a \ - $TARGET != "coreip-e20-rtl" -a \ - $TARGET != "coreip-e20-arty" ]; then + if [ "$TARGET" != "freedom-e310-arty" -a \ + "$TARGET" != "sifive-hifive1" -a \ + "$TARGET" != "coreip-e20-rtl" -a \ + "$TARGET" != "coreip-e20-arty" ]; then ${SED} -i '/riscv,isa/a riscv,pmpregions = <1>;' ${dts} @@ -105,84 +105,27 @@ if [ `grep -c 'stdout-path' ${dts}` -eq 0 ]; then fi -# Add a test memory node if one doesn't exist - -if [ `grep -c 'sifive,testram0' ${dts}` -eq 0 ]; then - - # bullet and U cores have a memory defined already - if [ `grep -c 'sifive,bullet0' ${dts}` -eq 0 -a `grep -c 'SiFive,FU' ${dts}` -eq 0 ]; then - - echo "$0: Test memory node not found in ${dts}." - - # The heuristic for determining which memory address contains the - # program code loaded by the RTL testbench is determined by taking - # the design ports and sorting them in order of (periph, sys, mem), - # and then lexicographically by protocol. - - port_types="periph sys mem" - protocols="ahb axi4 tl" - - for port_type in ${port_types}; do - for protocol in ${protocols}; do - - # Check if the port exists - if [ `grep -c "${protocol}-${port_type}-port" ${dts}` -ne 0 ]; then - - # Build the node name - port_node_name=`egrep -o "${protocol}-${port_type}-port@[a-fA-F0-9]+" ${dts}` - echo -e "$0: \tUsing node \t${port_node_name}" - - # Get the address and size cells - address_cells=`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?address-cells = <\K(\d+)"` - echo -e "$0: \tAddress cells \t${address_cells}" - size_cells=`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?size-cells = <\K(\d+)"` - echo -e "$0: \tSize cells \t${size_cells}" - - # Get the base address and size - if [ ${address_cells} -eq 1 -a ${size_cells} -eq 1 ]; then - address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ \K(0x\d+ 0x\d+)"`) - base_address=${address_and_size[0]} - size=${address_and_size[1]} - elif [ ${address_cells} -eq 1 -a ${size_cells} -eq 2 ]; then - address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ \K(0x\d+ 0x\d+ 0x\d+)"`) - base_address=${address_and_size[0]} - size="${address_and_size[1]} ${address_and_size[2]}" - elif [ ${address_cells} -eq 2 -a ${size_cells} -eq 1 ]; then - address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ 0x\d+ \K(0x\d+ 0x\d+ 0x\d+)"`) - base_address="${address_and_size[0]} ${address_and_size[1]}" - size=${address_and_size[2]} - elif [ ${address_cells} -eq 2 -a ${size_cells} -eq 2 ]; then - address_and_size=(`cat ${dts} | tr -d '\n\t' | grep -oP "${port_node_name}.*?ranges = <0x\d+ 0x\d+ \K(0x\d+ 0x\d+ 0x\d+ 0x\d+)"`) - base_address="${address_and_size[0]} ${address_and_size[1]}" - size="${address_and_size[2]} ${address_and_size[3]}" - fi - echo -e "$0: \tBase addr \t${base_address}" - echo -e "$0: \tSize \t\t${size}" - - # Build the name of the testram node - if [ "${address_and_size[0]}" == "0x0" ]; then - node_name_addr=`echo ${address_and_size[1]} | cut -c 3-` - else - node_name_addr=`echo ${address_and_size[0]} | cut -c 3-` - fi - - # Determine word size from ISA bitness - if [ `grep -c 'riscv,isa = "rv32' ${dts}` -ne 0 ]; then - word_size=4 - else - word_size=8 - fi - echo -e "$0: \tWord size \t${word_size}" - - # Create the test memory - ${SED} -i "s/ranges;/ranges;\n\t\ttest_memory: testram@${node_name_addr} {\n\t\t\tcompatible = \"sifive,testram0\";\n\t\t\treg = <${base_address} ${size}>;\n\t\t\treg-names = \"mem\";\n\t\t\tword-size-bytes = <${word_size}>;\n\t\t};/" ${dts} - echo -e "$0: \tAdded testram@${node_name_addr}" - - # Break out of both loops - break 2 - fi - done - done +# FPGA targets need a 0x400000 byte offset into their SPI flash + +# Is the target an FPGA? +if [ `echo ${dts} | grep -c 'arty'` -ne 0 -o `echo ${dts} | grep -c 'fpga'` -ne 0 ] ; then + # Is there a metal,entry property in the chosen node? + if [ `grep -c 'metal,entry' ${dts}` -eq 0 ] ; then + echo "$0: FPGA target needs metal,entry property to set boot offset." + + # Find the SPI device with the lowest base address + first_spi_node=`grep -oE "spi@[[:xdigit:]]+?" ${dts} | sort | head -n 1` + + # Get the DTS node label of that SPI device + spi_entry_label=`grep -oE "[^[:space:]]+?:\s+?${first_spi_node}" ${dts} | cut -d ':' -f 1` + + if [ `grep -c 'chosen' ${dts}` -eq 0 ]; then + ${SED} -i "/cpus/i chosen {\n};" ${dts} + fi + + ${SED} -i "/chosen/a metal,entry = <&${spi_entry_label} 0x400000>;" ${dts} + + echo -e "$0: \tAdded metal,entry for SPI node ${first_spi_node} with label ${spi_entry_label}" fi fi |