From 0b5b7461b77bf512ee4cada34344c33e0416f547 Mon Sep 17 00:00:00 2001 From: Kyungmin Park Date: Mon, 28 Sep 2009 19:53:52 +0900 Subject: [PATCH] s5pc110: aquila: Set XCLKOUT as 20MHz Signed-off-by: Kyungmin Park --- board/samsung/universal/lowlevel_init.S | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/board/samsung/universal/lowlevel_init.S b/board/samsung/universal/lowlevel_init.S index afd25d4..6535492 100644 --- a/board/samsung/universal/lowlevel_init.S +++ b/board/samsung/universal/lowlevel_init.S @@ -349,7 +349,13 @@ system_clock_init: ldr r1, =0x30000000 @ ONEDRAM_RATIO[31:28] 3 + 1 str r1, [r0, #0x318] @ S5PC110_CLK_DIV6 - ldr r1, =0x00909000 @ DIV=10 MCLKSYS + /* + * XCLKOUT = (FOUTAPLL/4) / (DIVVAL + 1) + * = (800 MHz/ 4) / (9 + 1) + * = 20 MHz + */ + ldr r1, =0x00900000 @ DIVVAL[23:20] = 9 + @ CLKSEL[16:12] = 0 FOUTAPLL/4 str r1, [r0, #0x500] @ S5PC110_CLK_OUT 200: -- 2.7.4