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-rw-r--r--board/karo/tx25/lowlevel_init.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/board/karo/tx25/lowlevel_init.S b/board/karo/tx25/lowlevel_init.S
index 823df10..eb3f187 100644
--- a/board/karo/tx25/lowlevel_init.S
+++ b/board/karo/tx25/lowlevel_init.S
@@ -67,6 +67,14 @@
write32 0x53f80008, 0x20034000
/*
+ * PCDR2: NFC = 33.25 MHz
+ * This is required for the NAND Flash of this board, which is a Samsung
+ * K9F1G08U0B with 25-ns R/W cycle times, in order to make it work with
+ * the NFC driver in symmetric (i.e. one-cycle) mode.
+ */
+ write32 0x53f80020, 0x01010103
+
+ /*
* enable all implemented clocks in all three
* clock control registers
*/