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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-06-18 13:03:10 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-06-18 13:03:10 -0600 |
| commit | 925d23b4966170d6939e1e5623686578ba186788 (patch) | |
| tree | cffad3a96fd97b2fbc486a41e5a1e4e94c2610d6 /nuttx/configs/sama5d4-ek/README.txt | |
| parent | 56d7e426224f06945792dd870e1f744f0c00837d (diff) | |
| download | px4-nuttx-925d23b4966170d6939e1e5623686578ba186788.tar.gz px4-nuttx-925d23b4966170d6939e1e5623686578ba186788.tar.bz2 px4-nuttx-925d23b4966170d6939e1e5623686578ba186788.zip | |
SAMA5D4: Fix ISRAM base address: 0x00200000, not like the SAMA5D3 SRAM at 0x00300000
Diffstat (limited to 'nuttx/configs/sama5d4-ek/README.txt')
| -rw-r--r-- | nuttx/configs/sama5d4-ek/README.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/nuttx/configs/sama5d4-ek/README.txt b/nuttx/configs/sama5d4-ek/README.txt index b9515c76b..08f68ad8e 100644 --- a/nuttx/configs/sama5d4-ek/README.txt +++ b/nuttx/configs/sama5d4-ek/README.txt @@ -2944,6 +2944,28 @@ Configurations DataFlash, SD card or from a TFTPC sever via the Boot ROM. Data also is positioned in SDRAM. + Here are the steps that I use to execute this program in SRAM + using only the ROM Bootloader: + + a) Hold the DIS_BOOT button and + + b) With the DIS_BOOT button pressed, power cycle the board. + + c) The serial should show RomBOOT in a terminal window (at 115200 + 8N1) and nothing more. + + d) Press ENTER in the terminal window a few times to enable JTAG. + + e) Start the Segger GDB server. It should successfully connect to + the board via JTAG. + + f) Start GDB + gdb> target remote localhost:2331 + gdb> mon halt (don't do mon reset) + gdb> load nuttx + gdb> mon reg pc (make sure that the PC is 0x200040 + gdb> ... and debug ... + To-Do List ========== |