diff options
Diffstat (limited to 'nuttx/configs/pirelli_dpl10/README.txt')
-rw-r--r-- | nuttx/configs/pirelli_dpl10/README.txt | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/nuttx/configs/pirelli_dpl10/README.txt b/nuttx/configs/pirelli_dpl10/README.txt index d81ead702..3b89005ed 100644 --- a/nuttx/configs/pirelli_dpl10/README.txt +++ b/nuttx/configs/pirelli_dpl10/README.txt @@ -78,17 +78,18 @@ Loading NuttX Memory Map ========= - Calypso has 256KB of internal SRAM (0x800000-0x83ffff). Only this internal SRAM - is used by these configurations. The internal SRAM is broken up into three - logic banks. + Calypso has 256KB of internal SRAM (0x800000-0x83ffff, although some of + this is, I believe, actually ROM). Only this internal SRAM is used by + these configurations. The internal SRAM is broken up into two logical + banks. LRAM (rw) : ORIGIN = 0x00800000, LENGTH = 0x00020000 - TRAM (rw) : ORIGIN = 0x00820000, LENGTH = 0x00010000 + HRAM (rw) : ORIGIN = 0x00820000, LENGTH = 0x00020000 IRAM (rw) : ORIGIN = 0x00830000, LENGTH = 0x00010000 - Code can be loaded by the bootloader only into TRAM and, hence, is restricted - to 64KB. The additional 64KB if IRAM may be used for uninitialized data and - for the NuttX heap only. + Code can be loaded by the CalypsoBootloader only into HRAM beginning at + address 0x00820000 and, hence, is restricted to 128KB (including then + non-loaded sections: uninitialized data and for the NuttX heap). JTAG and Alternative Serial Console =================================== |