From feca6e676e99102d2044b4baea433b7e6784189f Mon Sep 17 00:00:00 2001 From: Tom Rini Date: Thu, 5 Jun 2014 11:15:27 -0400 Subject: [PATCH] am43xx: Only read the MPU frequency bits of CTRL_DEV_ATTR Signed-off-by: Tom Rini --- board/ti/am43xx/board.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index 587fd76859..b635d691bf 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -302,7 +302,10 @@ static u32 get_sys_clk_index(void) static int get_opp_offset(int max_off, int min_off) { struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; - int opp = readl(&ctrl->dev_attr), offset, i; + int opp, offset, i; + + /* Bits 0:11 are defined to be the MPU_MAX_FREQ */ + opp = readl(&ctrl->dev_attr) & ~0xFFFFF000; for (i = max_off; i >= min_off; i--) { offset = opp & (1 << i); -- 2.39.2