diff --git a/jtag/ChangeLog b/jtag/ChangeLog index b9eda164..214015a5 100644 --- a/jtag/ChangeLog +++ b/jtag/ChangeLog @@ -1,4 +1,8 @@ -2008-03-01 Arnim +2008-03-03 Arnim + + * doc/UrJTAG.txt: fix some typos + +2008-03-01 Arnim * src/tap/parport/ftdi.c (ftdi_mpsse_open): rework sequence to fix a system that shows similar hangs as reported in diff --git a/jtag/doc/UrJTAG.txt b/jtag/doc/UrJTAG.txt index 793f26f2..0396e7c2 100644 --- a/jtag/doc/UrJTAG.txt +++ b/jtag/doc/UrJTAG.txt @@ -1202,7 +1202,7 @@ driver has to provide the following functions: * bus_read() - Atomic reading * bus_write() - Write access -IMPORTANT: Address parameters to the functions listed above apecify always +IMPORTANT: Address parameters to the functions listed above specify always byte locations, independent of the actual data width. The bus driver has to adjust the address on its own if required. @@ -1224,9 +1224,10 @@ command before it lists the areas covered by this bus driver. ===== Preparation ===== -This function is called whenever at the start of a bus operation. The driver -should perform the required preparation steps so that subsequent calls to the -bus_read_* and bus_write functions can perform their tasks properly. +This function is called whenever a bus operation is initiated. The +driver should perform the required preparation steps so that +subsequent calls to the bus_read_* and bus_write functions can perform +their tasks properly. E.g. a BSR bus driver would put the device into EXTEST mode to activate the boundary scan register on the device pins.