imx: mx6 correct get_cpu_rev

The DIGPROG register map:
23 ------- 16 | 15 ------ 8 | 7 --- 0 |
 Major upper  | Major Lower |  Minor  |

We also need to account for Major Lower.

Signed-off-by: Ye.Li <B37916@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 3447c89ad15feaf861dd428c3ec1d11ef92bdf14..fc5cce9db8ff501cfa0468bd52f5667045c5fb76 100644 (file)
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -87,6 +87,7 @@ u32 get_cpu_rev(void)
        struct anatop_regs *anatop = (struct anatop_regs *)ANATOP_BASE_ADDR;
        u32 reg = readl(&anatop->digprog_sololite);
        u32 type = ((reg >> 16) & 0xff);
+       u32 major;
 
        if (type != MXC_CPU_MX6SL) {
                reg = readl(&anatop->digprog);
@@ -104,8 +105,9 @@ u32 get_cpu_rev(void)
                }
 
        }
+       major = ((reg >> 8) & 0xff);
        reg &= 0xff;            /* mx6 silicon revision */
-       return (type << 12) | (reg + 0x10);
+       return (type << 12) | (reg + (0x10 * (major + 1)));
 }
 
 /*