--- --- Chip Identification --- STMP = { info = {} } local h = HELP:create_topic("STMP") h:add("This table contains the abstraction of the different device blocks for the STMP.") h:add("It allows one to use higher-level primitives rather than poking at register directly.") h:add("Furthermore, it tries as much as possible to hide the differences between the different STMP families.") local function identify(name, family, desc) STMP.chipid = hwstub.dev.stmp.chipid STMP.info.chip = name STMP.info.revision = "TA" .. tostring(hwstub.dev.stmp.rev+1) STMP.desc = desc STMP.family = family print("Chip identified as " .. name ..", ROM " .. STMP.info.revision) if not hwstub.soc:select(desc) then print("Looking for soc " .. desc .. ": not found. Please load a soc by hand.") end end local hh = h:create_topic("is_imx233") hh:add("STMP.is_imx233() returns true if the chip ID reports a i.MX233") function STMP.is_imx233() return hwstub.dev.stmp.chipid == 0x3780 end hh = h:create_topic("is_stmp3700") hh:add("STMP.is_stmp3700() returns true if the chip ID reports a STMP3700") function STMP.is_stmp3700() return hwstub.dev.stmp.chipid == 0x3700 end hh = h:create_topic("is_stmp3770") hh:add("STMP.is_stmp3770() returns true if the chip ID reports a STMP3770") function STMP.is_stmp3770() return hwstub.dev.stmp.chipid == 0x37b0 end hh = h:create_topic("is_stmp3600") hh:add("STMP.is_stmp3600() returns true if the chip ID reports a STMP36xx") function STMP.is_stmp3600() return hwstub.dev.stmp.chipid >= 0x3600 and hwstub.dev.stmp.chipid < 0x3700 end hh = h:create_topic("debug") hh:add("STMP.debug(...) prints some debug output if STMP.debug_on is true and does nothing otherwise.") STMP.debug_on = false function STMP.debug(...) if STMP.debug_on then print(...) end end -- init function STMP.init() if STMP.is_imx233() then identify("STMP3780 (aka i.MX233)", "imx233", "imx233") elseif STMP.is_stmp3700() then identify("STMP3700", "stmp3700", "stmp3700") elseif STMP.is_stmp3770() then identify("STMP3770", "stmp3770", "stmp3700") elseif STMP.is_stmp3600() then identify("STMP3600", "stmp3600", "stmp3600") else print(string.format("Unable to identify this chip as a STMP: chipid=0x%x", hwstub.dev.stmp.chipid)); end end require "stmp/digctl" require "stmp/pinctrl" require "stmp/lcdif" require "stmp/pwm" require "stmp/clkctrl" require "stmp/i2c"