1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/cpu.c b/arch/arm/mach-imx/cpu.c
index 18205dc9849..a32ab87e9b4 100644
--- a/arch/arm/mach-imx/cpu.c
+++ b/arch/arm/mach-imx/cpu.c
@@ -323,3 +323,28 @@ void set_chipselect_size(int const cs_size)
 
 	writel(reg, &iomuxc_regs->gpr[1]);
 }
+
+#ifdef CONFIG_NXP_BOARD_REVISION
+int nxp_board_rev(void)
+{
+	/*
+	 * Get Board ID information from OCOTP_GP1[15:8]
+	 * RevA: 0x1
+	 * RevB: 0x2
+	 * RevC: 0x3
+	 */
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+	struct fuse_bank *bank = &ocotp->bank[4];
+	struct fuse_bank4_regs *fuse =
+			(struct fuse_bank4_regs *)bank->fuse_regs;
+
+	return (readl(&fuse->gp1) >> 8 & 0x0F);
+}
+
+char nxp_board_rev_string(void)
+{
+	const char *rev = "A";
+
+	return (*rev + nxp_board_rev() - 1);
+}
+#endif