imx6dq: Fix chip version issue for rev1.3

According to iMX6DQ RM, the minor field (low 8 bits) in DIGPROG is not
aligned on silicon revision 1.3. So update get_cpu_rev to correct the
revision.

0x00630002 Silicon revision 1.2
0x00630005 Silicon revision 1.3
0x00630006 Silicon revision 1.6

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index e80f1d4..4084ab7 100644 (file)
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -95,6 +95,11 @@ u32 get_cpu_rev(void)
                        type = MXC_CPU_MX6DP;
        }
        reg &= 0xff;            /* mx6 silicon revision */
+
+       /* For 6DQ, the value 0x00630005 is Silicon revision 1.3*/
+       if (((type == MXC_CPU_MX6Q) || (type == MXC_CPU_MX6D)) && (reg == 0x5))
+               reg = 0x3;
+
        return (type << 12) | (reg + (0x10 * (major + 1)));
 }