[U-Boot] [PATCH 1/4] am43xx: Only read the MPU frequency bits of CTRL_DEV_ATTR

Signed-off-by: Tom Rini trini@ti.com --- 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 d358ad8..e05a50b 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -464,7 +464,10 @@ 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);