s5pc210: universal: Unverified OneNAND Sync Burst Read

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/board/samsung/universal_c210/lowlevel_init.S b/board/samsung/universal_c210/lowlevel_init.S
index 57907f7..c5bd656 100644 (file)
--- a/board/samsung/universal_c210/lowlevel_init.S
+++ b/board/samsung/universal_c210/lowlevel_init.S
@@ -89,6 +89,33 @@ lowlevel_init:
        bl      mem_ctrl_asm_init2
 #endif
 
+#ifdef CONFIG_PRELOADER
+#if 0
+       /*
+        * OneNAND Sync Read Support
+         * 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)
+         * WM[1]        : Sync Write
+         */
+        ldr    r1, =0xE006
+        ldr    r0, =0x0C01E442
+        strh   r1, [r0]
+
+        /*
+         * GCE[26]      : Gated Clock Enable
+         * RPE[17]      : Enables Read Prefetch
+         */
+        ldr    r1, =((1 << 26) | (1 << 17) | 0xE006)
+        ldr    r0, =0x0C600000
+        str    r1, [r0, #0x100]                        @ ONENAND_IF_CTRL
+        ldr    r1, =0x1212
+        str    r1, [r0, #0x108]
+#endif
+#endif
+
 #ifndef CONFIG_PRELOADER
        /* UART */
        bl      uart_asm_init