From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Fri, 22 Jan 2010 05:46:06 +0000 (+0900)
Subject: s5p6442: smdk6442: OneNAND sync burst support
X-Git-Tag: JA08_20100122~4^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=db573b81e46d0b0cc5fe0e9fa9a41ce9154ede56;p=kernel%2Fu-boot.git

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
--- 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]