From: Peng Fan <van.freenix@gmail.com>
Date: Tue, 3 May 2016 03:13:04 +0000 (+0800)
Subject: imx: correct speed grading info for i.MX6UL
X-Git-Tag: v2016.07-rc2~49^2~51
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=d15a244b059e361475302bccd471e65a48ee2b1f;p=u-boot

imx: correct speed grading info for i.MX6UL

Correct speed grading info for i.MX6UL

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---

diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index d4b22ad7f3..aaa1adb446 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -108,6 +108,12 @@ u32 get_cpu_rev(void)
 #define OCOTP_CFG3_SPEED_1GHZ	2
 #define OCOTP_CFG3_SPEED_1P2GHZ	3
 
+/*
+ * For i.MX6UL
+ */
+#define OCOTP_CFG3_SPEED_528MHZ 1
+#define OCOTP_CFG3_SPEED_696MHZ 2
+
 u32 get_cpu_speed_grade_hz(void)
 {
 	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
@@ -120,6 +126,15 @@ u32 get_cpu_speed_grade_hz(void)
 	val >>= OCOTP_CFG3_SPEED_SHIFT;
 	val &= 0x3;
 
+	if (is_cpu_type(MXC_CPU_MX6UL)) {
+		if (val == OCOTP_CFG3_SPEED_528MHZ)
+			return 528000000;
+		else if (val == OCOTP_CFG3_SPEED_696MHZ)
+			return 69600000;
+		else
+			return 0;
+	}
+
 	switch (val) {
 	/* Valid for IMX6DQ */
 	case OCOTP_CFG3_SPEED_1P2GHZ: