summaryrefslogtreecommitdiff
path: root/doc/README.PXA_CF
diff options
context:
space:
mode:
Diffstat (limited to 'doc/README.PXA_CF')
-rw-r--r--doc/README.PXA_CF50
1 files changed, 50 insertions, 0 deletions
diff --git a/doc/README.PXA_CF b/doc/README.PXA_CF
new file mode 100644
index 0000000..186f775
--- /dev/null
+++ b/doc/README.PXA_CF
@@ -0,0 +1,50 @@
+
+These are brief instructions on how to add support for CF adapters to
+custom designed PXA boards. You need to set the parameters in the
+config file. This should work for most implementations especially if you
+follow the connections of the standard lubbock. Anyway just the block
+marked memory configuration should be touched since the other parameters
+are imposed by the PXA architecture.
+
+#define CONFIG_PXA_PCMCIA 1
+#define CONFIG_PXA_IDE 1
+
+#define CONFIG_PCMCIA_SLOT_A 1
+/* just to keep build system happy */
+
+#define CFG_PCMCIA_MEM_ADDR 0x28000000
+#define CFG_PCMCIA_MEM_SIZE 0x10000000
+
+#define CFG_MECR_VAL 0x00000000
+#define CFG_MCMEM0_VAL 0x00004204
+#define CFG_MCMEM1_VAL 0x00000000
+#define CFG_MCATT0_VAL 0x00010504
+#define CFG_MCATT1_VAL 0x00000000
+#define CFG_MCIO0_VAL 0x00008407
+#define CFG_MCIO1_VAL 0x00000000
+/* memory configuration */
+
+#define CFG_IDE_MAXBUS 1
+/* max. 1 IDE bus */
+#define CFG_IDE_MAXDEVICE 1
+/* max. 1 drive per IDE bus */
+
+#define CFG_ATA_IDE0_OFFSET 0x0000
+
+#define CFG_ATA_BASE_ADDR 0x20000000
+
+/* Offset for data I/O */
+#define CFG_ATA_DATA_OFFSET 0x1f0
+
+/* Offset for normal register accesses */
+#define CFG_ATA_REG_OFFSET 0x1f0
+
+/* Offset for alternate registers */
+#define CFG_ATA_ALT_OFFSET 0x3f0
+
+
+Another important point is that maybe you have to power the pcmcia
+subsystem. This is very board specific, for an example on how to
+do it please search for CONFIG_EXADRON1 in cmd_pcmcia.c
+
+