add generate_csr_locations

This commit is contained in:
Peter McGoron 2022-07-12 15:36:50 -04:00
parent 49c50cbe07
commit 6cbc83f1ab
2 changed files with 29 additions and 0 deletions

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@ -8,3 +8,6 @@ clean:
overlay.dts overlay.config: csr.json litex_json2dts_zephyr.py overlay.dts overlay.config: csr.json litex_json2dts_zephyr.py
# NOTE: Broken in LiteX 2022.4. # NOTE: Broken in LiteX 2022.4.
$(DEVICETREE_GEN_DIR)/litex_json2dts_zephyr.py --dts overlay.dts --config overlay.config csr.json $(DEVICETREE_GEN_DIR)/litex_json2dts_zephyr.py --dts overlay.dts --config overlay.config csr.json
pin_io.h: csr.json generate_csr_locations.py
python3 generate_csr_locations.py > pin_io.h

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@ -0,0 +1,26 @@
#!/usr/bin/python3
import json
reg_names = {
"adc" : ("conv", "sck", "sdo"),
"dac" : ("miso", "ctrl")
}
max_num = 8
def get_reg(j, name, num, pos):
return j["csr_registers"][f"{name}{num}_{pos}"]["addr"]
j = json.load(open("csr.json"))
print('''#pragma once
typedef volatile uint32_t *csr_t;
''')
for conv in iter(reg_names):
for reg in reg_names[conv]:
print(f"const csr_t {conv}_{reg}[{max_num}] =", "{")
for i in range(0,max_num):
print("\t", get_reg(j, conv, i, reg), end='')
if i != max_num - 1:
print(",")
print("\n};")