| # |
| # atm2x_rom.tcl |
| # Production APIs for ROM operations |
| # Copyright (C) Atmosic 2018-2020 |
| # |
| |
| proc verify_rom_version {} { |
| reset halt |
| if {[mrw 0x3f2c8] == 0x454c422d} { |
| return |
| } |
| if {[mrw 0x3cdb0] == 0x422d5752} { |
| error "Incompatible with ATM2xE1 or ATM2xE2 part!" |
| } elseif {[mrw 0x3d8e8] == 0x422d5752} { |
| error "Incompatible with ATM2xE2b part!" |
| } elseif {[mrw 0x3ae2c] == 0x422d5752} { |
| error "Incompatible with ATM2xE3, ATM2xE3a, or ATM2xE3b part!" |
| } elseif {[mrw 0x3ea30] == 0x422d5752} { |
| error "Incompatible with ATM2xE3c or ATMx2xx-x0x part!" |
| } |
| error "Not an ATMx2xx-x1x part!" |
| } |
| |
| proc get_rom_version {} { |
| reset halt |
| if {[mrw 0x3cdb0] == 0x422d5752} { |
| return [list ATM2xE1 ATM2xE2] |
| } elseif {[mrw 0x3d8e8] == 0x422d5752} { |
| return [list ATM2xE2b] |
| } elseif {[mrw 0x3ae2c] == 0x422d5752} { |
| return [list ATM2xE3 ATM2xE3a ATM2xE3b] |
| } elseif {[mrw 0x3ea30] == 0x422d5752} { |
| return [list ATM2xE3c ATM22xx-x0x ATM32xx-x0x] |
| } elseif {[mrw 0x3f2c8] == 0x454c422d} { |
| return [list ATM22xx-x1x ATM32xx-x1x] |
| } |
| error "Unrecognized platform" |
| } |
| |
| proc load_ram_image { external_flash_init image {entry_point 0x20014000} } { |
| reset halt |
| |
| # Hijack flash app |
| bp $external_flash_init 2 hw |
| resume; sleep 1; wait_halt |
| rbp $external_flash_init |
| |
| # Relocate stack if necessary |
| if {$entry_point != 0x20014000} { |
| set src 0x20014000 |
| set end [lindex [reg sp] 2] |
| set dst $entry_point |
| puts -nonewline "Relocate stack $end..$src" |
| while {$src != $end} { |
| incr src -4 |
| incr dst -4 |
| mww $dst [mrw $src] |
| } |
| set dstx [format 0x%x $dst] |
| puts " to $dstx..$entry_point" |
| reg sp $dst |
| } |
| |
| load_image $image $entry_point |
| } |
