diff options
Diffstat (limited to 'nuttx/configs/lpc4330-xplorer/README.txt')
| -rw-r--r-- | nuttx/configs/lpc4330-xplorer/README.txt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/nuttx/configs/lpc4330-xplorer/README.txt b/nuttx/configs/lpc4330-xplorer/README.txt index 82bb42e1d..a5c0709ea 100644 --- a/nuttx/configs/lpc4330-xplorer/README.txt +++ b/nuttx/configs/lpc4330-xplorer/README.txt @@ -901,6 +901,16 @@ Where <subdir> is one of the following: CONFIG_BOOT_SRAM=y : Executing in SRAM CONFIG_LPC32_CODEREDW=y : Code Red under Windows + To execute from SRAM, you would need to set: + + CONFIG_BOOT_SPIFI=y : Executing from SPIFI + CONFIG_DRAM_SIZE=(128*1024) : SRAM Bank0 size + CONFIG_DRAM_START=0x10000000 : SRAM Bank0 base address + CONFIG_SPIFI_OFFSET=(128*1024) : SPIFI file system offset + + CONFIG_MM_REGIONS should also be increased if you want to other SRAM banks + to the memory pool. + This configuration has some special options that can be used to create a block device on the SPIFI FLASH. NOTE: CONFIG_LPC43_SPIFI=y must also be defined to enable SPIFI setup support: @@ -923,7 +933,7 @@ Where <subdir> is one of the following: CONFIG_SPIFI_READONLY - Define to support only read-only operations. CONFIG_SPIFI_LIBRARY - Don't use the LPC43xx ROM routines but, instead, use an external library implementation of the SPIFI interface. - CONFIG_SPIFI_VERIFY - Verify all spi_program() operations by reading + CONFIG_SPIFI_VERIFY - Verify all spifi_program() operations by reading from the SPI address space after each write. CONFIG_DEBUG_SPIFI_DUMP - Debug option to dump read/write buffers. You probably do not want to enable this unless you want to dig through a |