[U-Boot] [PATCH v2 2/8] imx: mx6 correct get_cpu_rev

[Peng Fan]

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 at freescale.com>
Signed-off-by: Peng Fan <Peng.Fan at freescale.com>
---

Changes v2:
 split from PATCH v1 2/8. This piece code should be in a single patch.

 arch/arm/cpu/armv7/mx6/soc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index b21bd03..29de624 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -62,6 +62,7 @@ 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);
@@ -79,8 +80,9 @@ 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)));
 }
 
 /*
-- 
1.8.4