mx6: clock: Fix the logic for reading axi_alt_sel
According to the IMX6DQRM Reference Manual, the description
of bit 7 (axi_alt_sel) of the CCM_CBCDR register is:
"AXI alternative clock select
0 pll2 396MHz PFD will be selected as alternative clock for AXI root clock
1 pll3 540MHz PFD will be selected as alternative clock for AXI root clock "
The current logic is inverted, so fix it to match the reference manual.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 9b4b69c..b3c9dcc 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -433,9 +433,9 @@
if (cbcdr & MXC_CCM_CBCDR_AXI_SEL) {
if (cbcdr & MXC_CCM_CBCDR_AXI_ALT_SEL)
- root_freq = mxc_get_pll_pfd(PLL_BUS, 2);
- else
root_freq = mxc_get_pll_pfd(PLL_USBOTG, 1);
+ else
+ root_freq = mxc_get_pll_pfd(PLL_BUS, 2);
} else
root_freq = get_periph_clk();