From: Sebastien Bourdeauducq Date: Wed, 17 Jul 2013 11:54:05 +0000 (+0200) Subject: cif: fix indentation X-Git-Tag: 24jan2021_ls180~2859 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=da2b7aa961dc0c3dbf5a7f17a8669b273b70b69b;p=litex.git cif: fix indentation --- diff --git a/milkymist/cif.py b/milkymist/cif.py index b9a85015..d040ccdd 100644 --- a/milkymist/cif.py +++ b/milkymist/cif.py @@ -67,30 +67,30 @@ def get_csr_header(csr_base, bank_array, interrupt_map): return r def get_sdram_phy_header(sdram_phy): - if sdram_phy.phy_settings.type not in ["SDR", "DDR", "LPDDR", "DDR2"]: - raise NotImplementedError("The SDRAM PHY header generator only supports SDR, DDR, LPDDR and DDR2") + if sdram_phy.phy_settings.type not in ["SDR", "DDR", "LPDDR", "DDR2"]: + raise NotImplementedError("The SDRAM PHY header generator only supports SDR, DDR, LPDDR and DDR2") - r = "#ifndef __HW_SDRAM_PHY_H\n#define __HW_SDRAM_PHY_H\n" - r += "#include \n#include \n#include \n\n" + r = "#ifndef __HW_SDRAM_PHY_H\n#define __HW_SDRAM_PHY_H\n" + r += "#include \n#include \n#include \n\n" - r += "static void cdelay(int i);\n" + r += "static void cdelay(int i);\n" - # - # commands_px functions - # - for n in range(sdram_phy.phy_settings.nphases): - r += """ + # + # commands_px functions + # + for n in range(sdram_phy.phy_settings.nphases): + r += """ static void command_p{n}(int cmd) {{ dfii_pi{n}_command_write(cmd); dfii_pi{n}_command_issue_write(1); }}""".format(n=str(n)) - r += "\n\n" + r += "\n\n" - # - # rd/wr access macros - # - r += """ + # + # rd/wr access macros + # + r += """ #define dfii_pird_address_write(X) dfii_pi{rdphase}_address_write(X) #define dfii_piwr_address_write(X) dfii_pi{wrphase}_address_write(X) @@ -100,105 +100,105 @@ static void command_p{n}(int cmd) #define command_prd(X) command_p{rdphase}(X) #define command_pwr(X) command_p{wrphase}(X) """.format(rdphase=str(sdram_phy.phy_settings.rdphase), wrphase=str(sdram_phy.phy_settings.wrphase)) - r +="\n" - - # - # init sequence - # - cmds = { - "PRECHARGE_ALL" : "DFII_COMMAND_RAS|DFII_COMMAND_WE|DFII_COMMAND_CS", - "MODE_REGISTER" : "DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_WE|DFII_COMMAND_CS", - "AUTO_REFRESH" : "DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_CS", - "CKE" : "DFII_CONTROL_CKE" - } - - def gen_cmd(comment, a, ba, cmd, delay): - r = "\t/* {0} */\n".format(comment) - r += "\tdfii_pi0_address_write({0:#x});\n".format(a) - r += "\tdfii_pi0_baddress_write({0:d});\n".format(ba) - if "CKE" in cmd: - r += "\tdfii_control_write({0});\n".format(cmd) - else: - r += "\tcommand_p0({0});\n".format(cmd) - r += "\tcdelay({0:d});\n".format(delay) - r += "\n" - return r - - - r += "static void init_sequence(void)\n{\n" - - cl = sdram_phy.phy_settings.cl - - if sdram_phy.phy_settings.type == "SDR": - bl = 1*sdram_phy.phy_settings.nphases - mr = log2_int(bl) + (cl << 4) - reset_dll = 1 << 8 - - init_sequence = [ - ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) - ] - - elif sdram_phy.phy_settings.type == "DDR": - bl = 2*sdram_phy.phy_settings.nphases - mr = log2_int(bl) + (cl << 4) - emr = 0 - reset_dll = 1 << 8 - - init_sequence = [ - ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Load Extended Mode Register", emr, 1, cmds["MODE_REGISTER"], 0), - ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) - ] - - elif sdram_phy.phy_settings.type == "LPDDR": - bl = 2*sdram_phy.phy_settings.nphases - mr = log2_int(bl) + (cl << 4) - emr = 0 - reset_dll = 1 << 8 - - init_sequence = [ - ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Load Extended Mode Register", emr, 2, cmds["MODE_REGISTER"], 0), - ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) - ] - - elif sdram_phy.phy_settings.type == "DDR2": - bl = 2*sdram_phy.phy_settings.nphases - mr = log2_int(bl) + (cl << 4) - emr = 0 - reset_dll = 1 << 8 - - init_sequence = [ - ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Load Extended Mode Register", emr, 1, cmds["MODE_REGISTER"], 0), - ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), - ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), - ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) - ] - - for comment, a, ba, cmd, delay in init_sequence: - r += gen_cmd(comment, a, ba, cmd, delay) + r +="\n" + + # + # init sequence + # + cmds = { + "PRECHARGE_ALL" : "DFII_COMMAND_RAS|DFII_COMMAND_WE|DFII_COMMAND_CS", + "MODE_REGISTER" : "DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_WE|DFII_COMMAND_CS", + "AUTO_REFRESH" : "DFII_COMMAND_RAS|DFII_COMMAND_CAS|DFII_COMMAND_CS", + "CKE" : "DFII_CONTROL_CKE" + } + + def gen_cmd(comment, a, ba, cmd, delay): + r = "\t/* {0} */\n".format(comment) + r += "\tdfii_pi0_address_write({0:#x});\n".format(a) + r += "\tdfii_pi0_baddress_write({0:d});\n".format(ba) + if "CKE" in cmd: + r += "\tdfii_control_write({0});\n".format(cmd) + else: + r += "\tcommand_p0({0});\n".format(cmd) + r += "\tcdelay({0:d});\n".format(delay) + r += "\n" + return r - r += "}\n" - r += "#endif\n" - return r + r += "static void init_sequence(void)\n{\n" + + cl = sdram_phy.phy_settings.cl + + if sdram_phy.phy_settings.type == "SDR": + bl = 1*sdram_phy.phy_settings.nphases + mr = log2_int(bl) + (cl << 4) + reset_dll = 1 << 8 + + init_sequence = [ + ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) + ] + + elif sdram_phy.phy_settings.type == "DDR": + bl = 2*sdram_phy.phy_settings.nphases + mr = log2_int(bl) + (cl << 4) + emr = 0 + reset_dll = 1 << 8 + + init_sequence = [ + ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Load Extended Mode Register", emr, 1, cmds["MODE_REGISTER"], 0), + ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) + ] + + elif sdram_phy.phy_settings.type == "LPDDR": + bl = 2*sdram_phy.phy_settings.nphases + mr = log2_int(bl) + (cl << 4) + emr = 0 + reset_dll = 1 << 8 + + init_sequence = [ + ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Load Extended Mode Register", emr, 2, cmds["MODE_REGISTER"], 0), + ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) + ] + + elif sdram_phy.phy_settings.type == "DDR2": + bl = 2*sdram_phy.phy_settings.nphases + mr = log2_int(bl) + (cl << 4) + emr = 0 + reset_dll = 1 << 8 + + init_sequence = [ + ("Bring CKE high", 0x0000, 0, cmds["CKE"], 2000), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Load Extended Mode Register", emr, 1, cmds["MODE_REGISTER"], 0), + ("Load Mode Register / Reset DLL, CL={0:d}, BL={1:d}".format(cl, bl), mr + reset_dll, 0, cmds["MODE_REGISTER"], 200), + ("Precharge All", 0x0400, 0, cmds["PRECHARGE_ALL"], 0), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Auto Refresh", 0x0, 0, cmds["AUTO_REFRESH"], 4), + ("Load Mode Register / CL={0:d}, BL={1:d}".format(cl, bl), mr, 0, cmds["MODE_REGISTER"], 200) + ] + + for comment, a, ba, cmd, delay in init_sequence: + r += gen_cmd(comment, a, ba, cmd, delay) + + r += "}\n" + r += "#endif\n" + + return r