On Wed, 30 May 2001, Eric S. Raymond wrote:
> CONFIG_ETRAX_FLASH_BUSWIDTH
> CONFIG_ETRAX_I2C_USES_PB_NOT_PB_I2C
--- Configure.help 2001/05/08 14:22:21 1.24
+++ Configure.help 2001/05/31 10:11:20
@@ -17564,6 +17564,10 @@
CONFIG_ETRAX_DRAM_SIZE
Size of DRAM (decimal in MB) typically 2, 8 or 16.
+ETRAX Flash Memory configuration
+CONFIG_ETRAX_FLASH_BUSWIDTH
+ Width in bytes of the Flash bus (1, 2 or 4). Is usually 2.
+
LED configuration on PA
CONFIG_ETRAX_PA_LEDS
The Etrax network driver is responsible for flashing LED's when
@@ -17991,6 +17995,14 @@
ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_WRITEREG), i2c_arg);
i2c_arg = I2C_READARG(STA013_READ_ADDR, reg);
val = ioctl(fd, _IO(ETRAXI2C_IOCTYPE, I2C_READREG), i2c_arg);
+
+Etrax100 I2C configuration
+CONFIG_ETRAX_I2C_USES_PB_NOT_PB_I2C
+ Select whether to use the special I2C mode in the PB I/O register or
+ not. This option needs to be selected in order to use some drivers that
+ accesses the I2C I/O pins directly instead of going through the I2C
+ driver, like the DS1302 realtime-clock driver. If you are uncertain,
+ choose yes here.
Etrax100 I2C EEPROM (NVRAM) support
CONFIG_ETRAX_I2C_EEPROM
-
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This archive was generated by hypermail 2b29 : Thu May 31 2001 - 21:00:50 EST