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Update README and comments

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This commit is contained in:
Gregory Nutt 2015-09-13 15:46:31 -06:00
parent 80c113d0f5
commit 8a9fe183e3
2 changed files with 29 additions and 30 deletions
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39
configs/sama5d2-xult/README.txt
View File

@ -646,20 +646,21 @@ Buttons and LEDs
Serial Console
==============
Virtual COM / DBGU Port. Either may be driven by UART1, depending
upon the setting of JP2 (DBGU_PE):
DEBUG / DBGU Port (J1). There is a TTL serial connection available on
pins 2 and 3 of the DEBUG connector. This may be driven by UART1,
depending upon the setting of JP2 (DBGU_PE on the schematic, DEBUG_DIS
on the board):
------------ -------------- --------
SAMA5D2 BOARD SIGNAL USAGE
PIO FUNCTION NAME FUNCTION
------------ -------------- --------
PD3 UTXD1 DBGU_UTXD1_PD3 DBGU_RXD
PD2 URXD1 DBGU_URXD1_PD2 DBGU_TXD
------------ -------------- --------
Terminologicy: FLEXCOM is the same as USART in previous SAMA5D versions.
---- ------------------------ -------------
J1 SCHEMATIC SAMA5D2
PIN NAME(s) PIO FUNCTION
---- ------------------------ -------------
2 DBGU_TXD DBGU_UTXD1_PD3 PD3 UTXD1
3 DBGU_RXD DBGU_URXD1_PD2 PD2 URXD1
---- ------------------------ -------------
Standard UART on Arduino connector (J21) is FLEXCOM4.
Terminologicy: FLEXCOM is the same as USART in previous SAMA5D versions.
---- ------- -------------
J21 BOARD SAMA5D2
@ -989,13 +990,13 @@ Configurations
2. By default, this configuration is set up to build on Windows
under either a Cygwin or MSYS environment using a recent, Windows-
native, generic ARM EABI GCC toolchain (such as the CodeSourcery
native, generic ARM EABI GCC toolchain (such as the ARM supported
toolchain). Both the build environment and the toolchain
selection can easily be changed by reconfiguring:
CONFIG_HOST_WINDOWS=y : Windows operating system
CONFIG_WINDOWS_CYGWIN=y : POSIX environment under windows
CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYW=y : CodeSourcery for Windows
CONFIG_HOST_WINDOWS=y : Windows operating system
CONFIG_WINDOWS_CYGWIN=y : POSIX environment under windows
CONFIG_ARMV7A_TOOLCHAIN_EABIW=y : Generic GCC EABI toolchain for Windows
If you are running on Linux, make *certain* that you have
CONFIG_HOST_LINUX=y *before* the first make or you will create a
@ -1112,7 +1113,7 @@ Configurations
8. This configuration has support for NSH built-in applications enabled.
No built-in applications are enabled, however.
9. This configuration has support for the FAT, ROMFS, and PROCFS file
9. This configuration has support for the FAT and PROCFS file
systems built in.
The FAT file system includes long file name support. Please be aware
@ -1125,11 +1126,7 @@ Configurations
CONFIG_FAT_MAXFNAME=32 : Arbitrarily limits the size of a path
segment name to 32 bytes
The ROMFS file system is enabled simply with:
CONFIG_FS_ROMFS=y : Enable ROMFS file system
The ROMFS file system is enabled simply with:
The PROCFS file system is enabled simply with:
CONFIG_FS_PROCFS=y : Enable PROCFS file system

20
configs/sama5d2-xult/include/board.h
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@ -192,16 +192,18 @@
* The PCK logic will then automatically configure PB26 as the PCK0 pin.
*/
/* Virtual COM / DBGU Port. Either may be driven by UART1, depending
* upon the setting of JP2 (DBGU_PE):
/* DEBUG / DBGU Port (J1). There is a TTL serial connection available on
* pins 2 and 3 of the DEBUG connector. This may be driven by UART1,
* depending upon the setting of JP2 (DBGU_PE on the schematic, DEBUG_DIS
* on the board):
*
* ------------ -------------- --------
* SAMA5D2 BOARD SIGNAL USAGE
* PIO FUNCTION NAME FUNCTION
* ------------ -------------- --------
* PD3 UTXD1 DBGU_UTXD1_PD3 DBGU_RXD
* PD2 URXD1 DBGU_URXD1_PD2 DBGU_TXD
* ------------ -------------- --------
* ---- ------------------------ -------------
* J1 SCHEMATIC SAMA5D2
* PIN NAME(s) PIO FUNCTION
* ---- ------------------------ -------------
* 2 DBGU_TXD DBGU_UTXD1_PD3 PD3 UTXD1
* 3 DBGU_RXD DBGU_URXD1_PD2 PD2 URXD1
* ---- ------------------------ -------------
*/
/* Standard UART on Arduino connector (J21) is FLEXCOM4.