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-rw-r--r--README35
1 files changed, 31 insertions, 4 deletions
diff --git a/README b/README
index 66cbd60433..24ad20a980 100644
--- a/README
+++ b/README
@@ -266,6 +266,11 @@ Example: For a TQM823L module, all configuration settings are in
"include/configs/TQM823L.h".
+Many of the options are named exactly as the corresponding Linux
+kernel configuration options. The intention is to make it easier to
+build a config tool - later.
+
+
The following options need to be configured:
- CPU Type: Define exactly one of
@@ -1523,10 +1528,6 @@ Note2: you must edit your u-boot.lds file to reflect this
configuration.
-Many of the options are named exactly as the corresponding Linux
-kernel configuration options. The intention is to make it easier to
-build a config tool - later.
-
Low Level (hardware related) configuration options:
- CFG_CACHELINE_SIZE:
@@ -1538,6 +1539,32 @@ Low Level (hardware related) configuration options:
to be able to adjust the position of the IMMR
register after a reset.
+- Floppy Disk Support:
+ CFG_FDC_DRIVE_NUMBER
+
+ the default drive number (default value 0)
+
+ CFG_ISA_IO_STRIDE
+
+ defines the spacing between fdc chipset registers
+ (default value 1)
+
+ CFG_ISA_IO_OFFSET
+
+ defines the offset of register from address. It
+ depends on which part of the data bus is connected to
+ the fdc chipset. (default value 0)
+
+ If CFG_ISA_IO_STRIDE CFG_ISA_IO_OFFSET and
+ CFG_FDC_DRIVE_NUMBER are undefined, they take their
+ default value.
+
+ if CFG_FDC_HW_INIT is defined, then the function
+ fdc_hw_init() is called at the beginning of the FDC
+ setup. fdc_hw_init() must be provided by the board
+ source code. It is used to make hardware dependant
+ initializations.
+
- CFG_IMMR: Physical address of the Internal Memory Mapped
Register; DO NOT CHANGE! (11-4)
[MPC8xx systems only]