s5p6442: smdk6442: OneNAND sync burst support

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>

diff --git a/board/samsung/smdk6442/lowlevel_init.S b/board/samsung/smdk6442/lowlevel_init.S
index 6dff002..c860432 100644 (file)
--- a/board/samsung/smdk6442/lowlevel_init.S
+++ b/board/samsung/smdk6442/lowlevel_init.S
@@ -98,6 +98,21 @@ lowlevel_init:
 
        bl      mem_ctrl_asm_init
 
+       /* OneNAND Sync Read Support at S5PC110 only
+        * RM[15]       : Sync Read
+        * BRWL[14:12]  : 7 CLK
+        * BL[11:9]     : Continuous
+        * VHF[3]       : Very High Frequency Enable (Over 83MHz)
+        * HF[2]        : High Frequency Enable (Over 66MHz)
+        */
+       ldr     r1, =0xE00C
+
+       ldr     r0, =0xB001E442
+       strh    r1, [r0]
+
+       ldr     r0, =0xB0600000
+       str     r1, [r0, #0x100]                        @ ONENAND_IF_CTRL
+
        /* Wakeup support. Don't know if it's going to be used, untested. */
        ldr     r0, =S5P6442_RST_STAT
        ldr     r1, [r0]