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am43xx: Only read the MPU frequency bits of CTRL_DEV_ATTR

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Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Tom Rini 2014-06-05 11:15:27 -04:00
parent 1ab6f61a1a
commit feca6e676e
1 changed files with 4 additions and 1 deletions
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5
board/ti/am43xx/board.c
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@ -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);