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-rw-r--r--board/karo/tx25/lowlevel_init.S42
1 files changed, 11 insertions, 31 deletions
diff --git a/board/karo/tx25/lowlevel_init.S b/board/karo/tx25/lowlevel_init.S
index 823df10701..3e46ed9774 100644
--- a/board/karo/tx25/lowlevel_init.S
+++ b/board/karo/tx25/lowlevel_init.S
@@ -22,37 +22,7 @@
*/
#include <asm/macro.h>
-
-.macro init_aips
- write32 0x43f00000, 0x77777777
- write32 0x43f00004, 0x77777777
- write32 0x43f00000, 0x77777777
- write32 0x53f00004, 0x77777777
-.endm
-
-.macro init_max
- write32 0x43f04000, 0x43210
- write32 0x43f04100, 0x43210
- write32 0x43f04200, 0x43210
- write32 0x43f04300, 0x43210
- write32 0x43f04400, 0x43210
-
- write32 0x43f04010, 0x10
- write32 0x43f04110, 0x10
- write32 0x43f04210, 0x10
- write32 0x43f04310, 0x10
- write32 0x43f04410, 0x10
-
- write32 0x43f04800, 0x0
- write32 0x43f04900, 0x0
- write32 0x43f04a00, 0x0
- write32 0x43f04b00, 0x0
- write32 0x43f04c00, 0x0
-.endm
-
-.macro init_m3if
- write32 0xb8003000, 0x1
-.endm
+#include <asm/arch/macro.h>
.macro init_clocks
/*
@@ -64,9 +34,19 @@
* 0x00600000 makes CLKO parent clk the USB clk
*/
write32 0x53f80064, 0x45600000
+
+ /* CCTL: ARM = 399 MHz, AHB = 133 MHz */
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
*/