From 833d7c7eec41b0ebb3742cdac48f98d78ca109a1 Mon Sep 17 00:00:00 2001 From: Sebastien Bourdeauducq Date: Mon, 21 Oct 2013 00:04:26 +0200 Subject: [PATCH] add CSV CSR map output --- make.py | 16 +++-- milkymist/cpuif.py | 64 +++++++++++++++++ .../{cif.py => s6ddrphy/initsequence.py} | 68 +------------------ top.py | 3 +- 4 files changed, 76 insertions(+), 75 deletions(-) create mode 100644 milkymist/cpuif.py rename milkymist/{cif.py => s6ddrphy/initsequence.py} (73%) diff --git a/make.py b/make.py index feb0141a..f70b6d6c 100755 --- a/make.py +++ b/make.py @@ -4,10 +4,11 @@ import argparse, os, importlib, subprocess from mibuild.tools import write_to_file -from milkymist import cif +from milkymist import cpuif +from milkymist.s6ddrphy import initsequence import top, jtag -def build(platform_name, build_bitstream, build_header, *soc_args, **soc_kwargs): +def build(platform_name, build_bitstream, build_header, csr_csv_filename, *soc_args, **soc_kwargs): platform_module = importlib.import_module("mibuild.platforms."+platform_name) platform = platform_module.Platform() soc = top.SoC(platform, platform_name, *soc_args, **soc_kwargs) @@ -46,24 +47,27 @@ TIMESPEC "TSise_sucks2" = FROM "GRPsys_clk" TO "GRPvga_clk" TIG; else: soc.finalize() if build_header: - csr_header = cif.get_csr_header(soc.csr_base, soc.csrbankarray, soc.interrupt_map) + csr_header = cpuif.get_csr_header(soc.csr_base, soc.csrbankarray, soc.interrupt_map) write_to_file("software/include/hw/csr.h", csr_header) - sdram_phy_header = cif.get_sdram_phy_header(soc.ddrphy) + sdram_phy_header = initsequence.get_sdram_phy_header(soc.ddrphy) write_to_file("software/include/hw/sdram_phy.h", sdram_phy_header) - + if csr_csv_filename: + csr_csv = cpuif.get_csr_csv(soc.csr_base, soc.csrbankarray) + write_to_file(csr_csv_filename, csr_csv) def main(): parser = argparse.ArgumentParser(description="milkymist-ng - a high performance SoC built on Migen technology.") parser.add_argument("-p", "--platform", default="mixxeo", help="platform to build for") parser.add_argument("-B", "--no-bitstream", default=False, action="store_true", help="do not build bitstream file") parser.add_argument("-H", "--no-header", default=False, action="store_true", help="do not build C header files with CSR/IRQ/SDRAM_PHY defs") + parser.add_argument("-c", "--csr-csv", default="", help="save CSR map in CSV file") parser.add_argument("-l", "--load", default=False, action="store_true", help="load bitstream to SRAM") parser.add_argument("-f", "--flash", default=False, action="store_true", help="load bitstream to flash") parser.add_argument("-m", "--with-memtest", default=False, action="store_true", help="include memtest cores") args = parser.parse_args() - build(args.platform, not args.no_bitstream, not args.no_header, args.with_memtest) + build(args.platform, not args.no_bitstream, not args.no_header, args.csr_csv, args.with_memtest) if args.load: jtag.load("build/soc-"+args.platform+".bit") if args.flash: diff --git a/milkymist/cpuif.py b/milkymist/cpuif.py new file mode 100644 index 00000000..b2467741 --- /dev/null +++ b/milkymist/cpuif.py @@ -0,0 +1,64 @@ +from migen.bank.description import CSRStatus + +def _get_rw_functions(reg_name, reg_base, size, read_only): + r = "" + if size > 8: + raise NotImplementedError("Register too large") + elif size > 4: + ctype = "unsigned long long int" + elif size > 2: + ctype = "unsigned int" + elif size > 1: + ctype = "unsigned short int" + else: + ctype = "unsigned char" + + r += "static inline "+ctype+" "+reg_name+"_read(void) {\n" + if size > 1: + r += "\t"+ctype+" r = MMPTR("+hex(reg_base)+");\n" + for byte in range(1, size): + r += "\tr <<= 8;\n\tr |= MMPTR("+hex(reg_base+4*byte)+");\n" + r += "\treturn r;\n}\n" + else: + r += "\treturn MMPTR("+hex(reg_base)+");\n}\n" + + if not read_only: + r += "static inline void "+reg_name+"_write("+ctype+" value) {\n" + for byte in range(size): + shift = (size-byte-1)*8 + if shift: + value_shifted = "value >> "+str(shift) + else: + value_shifted = "value" + r += "\tMMPTR("+hex(reg_base+4*byte)+") = "+value_shifted+";\n" + r += "}\n" + return r + +def get_csr_header(csr_base, bank_array, interrupt_map): + r = "#ifndef __HW_CSR_H\n#define __HW_CSR_H\n#include \n" + for name, csrs, mapaddr, rmap in bank_array.banks: + r += "\n/* "+name+" */\n" + reg_base = csr_base + 0x800*mapaddr + r += "#define "+name.upper()+"_BASE "+hex(reg_base)+"\n" + for csr in csrs: + nr = (csr.size + 7)//8 + r += _get_rw_functions(name + "_" + csr.name, reg_base, nr, isinstance(csr, CSRStatus)) + reg_base += 4*nr + try: + interrupt_nr = interrupt_map[name] + except KeyError: + pass + else: + r += "#define "+name.upper()+"_INTERRUPT "+str(interrupt_nr)+"\n" + r += "\n#endif\n" + return r + +def get_csr_csv(csr_base, bank_array): + r = "" + for name, csrs, mapaddr, rmap in bank_array.banks: + reg_base = csr_base + 0x800*mapaddr + for csr in csrs: + nr = (csr.size + 7)//8 + r += "{}_{},0x{:08x},{},{}\n".format(name, csr.name, reg_base, nr, "ro" if isinstance(csr, CSRStatus) else "rw") + reg_base += 4*nr + return r diff --git a/milkymist/cif.py b/milkymist/s6ddrphy/initsequence.py similarity index 73% rename from milkymist/cif.py rename to milkymist/s6ddrphy/initsequence.py index c3bbf3b6..3c4c65bf 100644 --- a/milkymist/cif.py +++ b/milkymist/s6ddrphy/initsequence.py @@ -1,70 +1,4 @@ -from operator import itemgetter -import re - -from migen.fhdl.std import * -from migen.bank.description import CSRStatus - -def get_macros(filename): - f = open(filename, "r") - r = {} - for line in f: - match = re.match("\w*#define\s+(\w+)\s+(.*)", line, re.IGNORECASE) - if match: - r[match.group(1)] = match.group(2) - return r - -def _get_rw_functions(reg_name, reg_base, size, read_only): - r = "" - if size > 8: - raise NotImplementedError("Register too large") - elif size > 4: - ctype = "unsigned long long int" - elif size > 2: - ctype = "unsigned int" - elif size > 1: - ctype = "unsigned short int" - else: - ctype = "unsigned char" - - r += "static inline "+ctype+" "+reg_name+"_read(void) {\n" - if size > 1: - r += "\t"+ctype+" r = MMPTR("+hex(reg_base)+");\n" - for byte in range(1, size): - r += "\tr <<= 8;\n\tr |= MMPTR("+hex(reg_base+4*byte)+");\n" - r += "\treturn r;\n}\n" - else: - r += "\treturn MMPTR("+hex(reg_base)+");\n}\n" - - if not read_only: - r += "static inline void "+reg_name+"_write("+ctype+" value) {\n" - for byte in range(size): - shift = (size-byte-1)*8 - if shift: - value_shifted = "value >> "+str(shift) - else: - value_shifted = "value" - r += "\tMMPTR("+hex(reg_base+4*byte)+") = "+value_shifted+";\n" - r += "}\n" - return r - -def get_csr_header(csr_base, bank_array, interrupt_map): - r = "#ifndef __HW_CSR_H\n#define __HW_CSR_H\n#include \n" - for name, csrs, mapaddr, rmap in bank_array.banks: - r += "\n/* "+name+" */\n" - reg_base = csr_base + 0x800*mapaddr - r += "#define "+name.upper()+"_BASE "+hex(reg_base)+"\n" - for csr in csrs: - nr = (csr.size + 7)//8 - r += _get_rw_functions(name + "_" + csr.name, reg_base, nr, isinstance(csr, CSRStatus)) - reg_base += 4*nr - try: - interrupt_nr = interrupt_map[name] - except KeyError: - pass - else: - r += "#define "+name.upper()+"_INTERRUPT "+str(interrupt_nr)+"\n" - r += "\n#endif\n" - return r +from migen.fhdl.std import log2_int def get_sdram_phy_header(sdram_phy): if sdram_phy.phy_settings.memtype not in ["SDR", "DDR", "LPDDR", "DDR2"]: diff --git a/top.py b/top.py index 69181e5f..0d873d50 100644 --- a/top.py +++ b/top.py @@ -10,9 +10,8 @@ from mibuild.generic_platform import ConstraintError from milkymist import mxcrg, lm32, norflash, uart, s6ddrphy, dfii, lasmicon, \ identifier, timer, minimac3, framebuffer, dvisampler, gpio, memtest -from milkymist.cif import get_macros -version = get_macros("common/version.h")["VERSION"][1:-1] +version = "2.0" clk_freq = (83 + Fraction(1, 3))*1000000 sram_size = 4096 # in bytes -- 2.30.2