| # Script for TI/Luminary Stellaris LM4F232H (LM4F232H5BB) |
| |
| if { [info exists CHIPNAME] } { |
| set _CHIPNAME $CHIPNAME |
| } else { |
| set _CHIPNAME lm4f232h |
| } |
| |
| if { [info exists CPUTAPID ] } { |
| set _CPUTAPID $CPUTAPID |
| } else { |
| set _CPUTAPID 0x4ba00477 |
| } |
| |
| #jtag scan chain |
| jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 1 -irmask 0xf -expected-id $_CPUTAPID |
| |
| # the luminary variant causes a software reset rather than asserting SRST |
| # this stops the debug registers from being cleared |
| # this will be fixed in later revisions of silicon |
| set _TARGETNAME $_CHIPNAME.cpu |
| # TODO(rspangler): variant lm4x? |
| target create $_TARGETNAME cortex_m3 -chain-position $_CHIPNAME.cpu -variant lm3s |
| |
| # 8k working area at base of ram, not backed up |
| #$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 0x2000 |
| # 12k working area at base of ram, not backed up |
| $_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size 0x3000 |
| |
| # Use system reset request, since LM4 doesn't support vectreset |
| cortex_m3 reset_config sysresetreq |
| |
| # Ensure that the watchdog is properly disabled when doing flashing |
| $_TARGETNAME configure -event reset-init { |
| # Unlock watchdog0 |
| mww 0x40000c00 0x1ACCE551 |
| # Disable Watchdog0 |
| mww 0x40000008 0 |
| } |
| |
| #flash configuration |
| flash bank internal stellaris 0 0 0 0 $_TARGETNAME |
| |
| # useful command definitions for software loading |
| source [find lm4x_cmds.tcl] |
