diff --git u-boot-4d3c95f.orig/arch/arm/cpu/arm1136/mx35/generic.c u-boot-4d3c95f/arch/arm/cpu/arm1136/mx35/generic.c
index e369c86..4af052c 100644
--- u-boot-4d3c95f.orig/arch/arm/cpu/arm1136/mx35/generic.c
+++ u-boot-4d3c95f/arch/arm/cpu/arm1136/mx35/generic.c
@@ -171,17 +171,14 @@ static u32 get_ipg_per_clk(void)
 	u32 pdr4 = readl(&ccm->pdr4);
 	u32 div;
 	if (pdr0 & MXC_CCM_PDR0_PER_SEL) {
-		div = (CCM_GET_DIVIDER(pdr4,
-			MXC_CCM_PDR4_PER0_PRDF_MASK,
-			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1) *
-			(CCM_GET_DIVIDER(pdr4,
+		div = CCM_GET_DIVIDER(pdr4,
 			MXC_CCM_PDR4_PER0_PODF_MASK,
-			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1);
+			MXC_CCM_PDR4_PER0_PODF_OFFSET) + 1;
 	} else {
 		div = CCM_GET_DIVIDER(pdr0,
 			MXC_CCM_PDR0_PER_PODF_MASK,
 			MXC_CCM_PDR0_PER_PODF_OFFSET) + 1;
-		freq /= get_ahb_div(pdr0);
+		div *= get_ahb_div(pdr0);
 	}
 	return freq / div;
 }
@@ -199,19 +196,16 @@ u32 imx_get_uartclk(void)
 		freq = decode_pll(readl(&ccm->ppctl),
 			CONFIG_MX35_HCLK_FREQ);
 	}
-	freq /= ((CCM_GET_DIVIDER(pdr4,
-			MXC_CCM_PDR4_UART_PRDF_MASK,
-			MXC_CCM_PDR4_UART_PRDF_OFFSET) + 1) *
-		(CCM_GET_DIVIDER(pdr4,
+	freq /= CCM_GET_DIVIDER(pdr4,
 			MXC_CCM_PDR4_UART_PODF_MASK,
-			MXC_CCM_PDR4_UART_PODF_OFFSET) + 1));
+			MXC_CCM_PDR4_UART_PODF_OFFSET) + 1;
 	return freq;
 }
 
 unsigned int mxc_get_main_clock(enum mxc_main_clock clk)
 {
 	u32 nfc_pdf, hsp_podf;
-	u32 pll, ret_val = 0, usb_prdf, usb_podf;
+	u32 pll, ret_val = 0, usb_podf;
 	struct ccm_regs *ccm =
 		(struct ccm_regs *)IMX_CCM_BASE;
 
@@ -255,8 +249,7 @@ unsigned int mxc_get_main_clock(enum mxc_main_clock clk)
 		ret_val = pll / (nfc_pdf + 1);
 		break;
 	case USB_CLK:
-		usb_prdf = (reg4 >> 25) & 0x7;
-		usb_podf = (reg4 >> 22) & 0x7;
+		usb_podf = (reg4 >> 22) & 0x3F;
 		if (reg4 & 0x200) {
 			pll = get_mcu_main_clk();
 		} else {
@@ -264,7 +257,7 @@ unsigned int mxc_get_main_clock(enum mxc_main_clock clk)
 				CONFIG_MX35_HCLK_FREQ);
 		}
 
-		ret_val = pll / ((usb_prdf + 1) * (usb_podf + 1));
+		ret_val = pll / (usb_podf + 1);
 		break;
 	default:
 		printf("Unknown clock: %d\n", clk);
@@ -287,11 +280,10 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk)
 	case UART2_BAUD:
 	case UART3_BAUD:
 		clk_sel = mpdr3 & (1 << 14);
-		pre_pdf = (mpdr4 >> 13) & 0x7;
-		pdf = (mpdr4 >> 10) & 0x7;
+		pdf = (mpdr4 >> 10) & 0x3F;
 		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
 			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
-				((pre_pdf + 1) * (pdf + 1));
+				(pdf + 1);
 		break;
 	case SSI1_BAUD:
 		pre_pdf = (mpdr2 >> 24) & 0x7;
@@ -311,11 +303,10 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk)
 		break;
 	case CSI_BAUD:
 		clk_sel = mpdr2 & (1 << 7);
-		pre_pdf = (mpdr2 >> 16) & 0x7;
-		pdf = (mpdr2 >> 19) & 0x7;
+		pdf = (mpdr2 >> 16) & 0x3F;
 		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
 			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
-				((pre_pdf + 1) * (pdf + 1));
+				(pdf + 1);
 		break;
 	case MSHC_CLK:
 		pre_pdf = readl(&ccm->pdr1);
@@ -328,27 +319,24 @@ unsigned int mxc_get_peri_clock(enum mxc_peri_clock clk)
 		break;
 	case ESDHC1_CLK:
 		clk_sel = mpdr3 & 0x40;
-		pre_pdf = mpdr3 & 0x7;
-		pdf = (mpdr3>>3) & 0x7;
+		pdf = mpdr3 & 0x3F;
 		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
 			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
-				((pre_pdf + 1) * (pdf + 1));
+				(pdf + 1);
 		break;
 	case ESDHC2_CLK:
 		clk_sel = mpdr3 & 0x40;
-		pre_pdf = (mpdr3 >> 8) & 0x7;
-		pdf = (mpdr3 >> 11) & 0x7;
+		pdf = (mpdr3 >> 8) & 0x3F;
 		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
 			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
-				((pre_pdf + 1) * (pdf + 1));
+				(pdf + 1);
 		break;
 	case ESDHC3_CLK:
 		clk_sel = mpdr3 & 0x40;
-		pre_pdf = (mpdr3 >> 16) & 0x7;
-		pdf = (mpdr3 >> 19) & 0x7;
+		pdf = (mpdr3 >> 16) & 0x3F;
 		ret_val = ((clk_sel != 0) ? mxc_get_main_clock(CPU_CLK) :
 			decode_pll(readl(&ccm->ppctl), CONFIG_MX35_HCLK_FREQ)) /
-				((pre_pdf + 1) * (pdf + 1));
+				(pdf + 1);
 		break;
 	case SPDIF_CLK:
 		clk_sel = mpdr3 & 0x400000;
diff --git u-boot-4d3c95f.orig/arch/arm/include/asm/arch-mx35/crm_regs.h u-boot-4d3c95f/arch/arm/include/asm/arch-mx35/crm_regs.h
index 66bc1ba..f6b381b 100644
--- u-boot-4d3c95f.orig/arch/arm/include/asm/arch-mx35/crm_regs.h
+++ u-boot-4d3c95f/arch/arm/include/asm/arch-mx35/crm_regs.h
@@ -32,8 +32,8 @@
 #define MXC_CCM_CCMR_VOL_RDY_CNT_MASK          (0xF << 20)
 #define MXC_CCM_CCMR_ROMW_OFFSET               18
 #define MXC_CCM_CCMR_ROMW_MASK                 (0x3 << 18)
-#define MXC_CCM_CCMR_RAMW_OFFSET               21
-#define MXC_CCM_CCMR_RAMW_MASK                 (0x3 << 21)
+#define MXC_CCM_CCMR_RAMW_OFFSET               16
+#define MXC_CCM_CCMR_RAMW_MASK                 (0x3 << 16)
 #define MXC_CCM_CCMR_LPM_OFFSET                 14
 #define MXC_CCM_CCMR_LPM_MASK                   (0x3 << 14)
 #define MXC_CCM_CCMR_UPE                        (1 << 9)
@@ -47,7 +47,7 @@
 #define MXC_CCM_PDR0_CON_MUX_DIV_MASK           (0xF << 16)
 #define MXC_CCM_PDR0_CKIL_SEL			(1 << 15)
 #define MXC_CCM_PDR0_PER_PODF_OFFSET            12
-#define MXC_CCM_PDR0_PER_PODF_MASK              (0xF << 12)
+#define MXC_CCM_PDR0_PER_PODF_MASK              (0x7 << 12)
 #define MXC_CCM_PDR0_AUTO_MUX_DIV_OFFSET        9
 #define MXC_CCM_PDR0_AUTO_MUX_DIV_MASK          (0x7 << 9)
 #define MXC_CCM_PDR0_AUTO_CON	                0x1
@@ -62,10 +62,8 @@
 #define MXC_CCM_PDR2_SSI2_PRDF_MASK             (0x7 << 27)
 #define MXC_CCM_PDR2_SSI1_PRDF_OFFSET           24
 #define MXC_CCM_PDR2_SSI1_PRDF_MASK             (0x7 << 24)
-#define MXC_CCM_PDR2_CSI_PRDF_OFFSET            19
-#define MXC_CCM_PDR2_CSI_PRDF_MASK              (0x7 << 19)
 #define MXC_CCM_PDR2_CSI_PODF_OFFSET            16
-#define MXC_CCM_PDR2_CSI_PODF_MASK              (0x7 << 16)
+#define MXC_CCM_PDR2_CSI_PODF_MASK              (0x3F << 16)
 #define MXC_CCM_PDR2_SSI2_PODF_OFFSET           8
 #define MXC_CCM_PDR2_SSI2_PODF_MASK             (0x3F << 8)
 #define MXC_CCM_PDR2_CSI_M_U			(1 << 7)
@@ -78,35 +76,23 @@
 #define MXC_CCM_PDR3_SPDIF_PODF_OFFSET          23
 #define MXC_CCM_PDR3_SPDIF_PODF_MASK            (0x3F << 23)
 #define MXC_CCM_PDR3_SPDIF_M_U			(1 << 22)
-#define MXC_CCM_PDR3_ESDHC3_PRDF_OFFSET         19
-#define MXC_CCM_PDR3_ESDHC3_PRDF_MASK           (0x7 << 19)
 #define MXC_CCM_PDR3_ESDHC3_PODF_OFFSET         16
-#define MXC_CCM_PDR3_ESDHC3_PODF_MASK           (0x7 << 16)
-#define MXC_CCM_PDR3_UART_M_U			(1 << 15)
-#define MXC_CCM_PDR3_ESDHC2_PRDF_OFFSET         11
-#define MXC_CCM_PDR3_ESDHC2_PRDF_MASK           (0x7 << 11)
+#define MXC_CCM_PDR3_ESDHC3_PODF_MASK           (0x3F << 16)
+#define MXC_CCM_PDR3_UART_M_U			(1 << 14)
 #define MXC_CCM_PDR3_ESDHC2_PODF_OFFSET         8
-#define MXC_CCM_PDR3_ESDHC2_PODF_MASK           (0x7 << 8)
+#define MXC_CCM_PDR3_ESDHC2_PODF_MASK           (0x3F << 8)
 #define MXC_CCM_PDR3_ESDHC_M_U			(1 << 6)
-#define MXC_CCM_PDR3_ESDHC1_PRDF_OFFSET         3
-#define MXC_CCM_PDR3_ESDHC1_PRDF_MASK           (0x7 << 3)
 #define MXC_CCM_PDR3_ESDHC1_PODF_OFFSET         0
-#define MXC_CCM_PDR3_ESDHC1_PODF_MASK           (0x7)
+#define MXC_CCM_PDR3_ESDHC1_PODF_MASK           (0x3F)
 
 #define MXC_CCM_PDR4_NFC_PODF_OFFSET		28
 #define MXC_CCM_PDR4_NFC_PODF_MASK		(0xF << 28)
-#define MXC_CCM_PDR4_USB_PRDF_OFFSET		25
-#define MXC_CCM_PDR4_USB_PRDF_MASK		(0x7 << 25)
 #define MXC_CCM_PDR4_USB_PODF_OFFSET		22
-#define MXC_CCM_PDR4_USB_PODF_MASK		(0x7 << 22)
-#define MXC_CCM_PDR4_PER0_PRDF_OFFSET		19
-#define MXC_CCM_PDR4_PER0_PRDF_MASK		(0x7 << 19)
+#define MXC_CCM_PDR4_USB_PODF_MASK		(0x3F << 22)
 #define MXC_CCM_PDR4_PER0_PODF_OFFSET		16
-#define MXC_CCM_PDR4_PER0_PODF_MASK		(0x7 << 16)
-#define MXC_CCM_PDR4_UART_PRDF_OFFSET		13
-#define MXC_CCM_PDR4_UART_PRDF_MASK		(0x7 << 13)
+#define MXC_CCM_PDR4_PER0_PODF_MASK		(0x3F << 16)
 #define MXC_CCM_PDR4_UART_PODF_OFFSET		10
-#define MXC_CCM_PDR4_UART_PODF_MASK		(0x7 << 10)
+#define MXC_CCM_PDR4_UART_PODF_MASK		(0x3F << 10)
 #define MXC_CCM_PDR4_USB_M_U			(1 << 9)
 
 /* Bit definitions for RCSR */
@@ -257,10 +243,8 @@
 #define MXC_CCM_COSR_CLKOSEL_OFFSET		0
 #define MXC_CCM_COSR_CLKOEN			(1 << 5)
 #define MXC_CCM_COSR_CLKOUTDIV_1		(1 << 6)
-#define MXC_CCM_COSR_CLKOUT_PREDIV_MASK		(0x7 << 10)
-#define MXC_CCM_COSR_CLKOUT_PREDIV_OFFSET	10
-#define MXC_CCM_COSR_CLKOUT_PRODIV_MASK		(0x7 << 13)
-#define MXC_CCM_COSR_CLKOUT_PRODIV_OFFSET	13
+#define MXC_CCM_COSR_CLKOUT_DIV_MASK		(0x3F << 10)
+#define MXC_CCM_COSR_CLKOUT_DIV_OFFSET		10
 #define MXC_CCM_COSR_SSI1_RX_SRC_SEL_MASK	(0x3 << 16)
 #define MXC_CCM_COSR_SSI1_RX_SRC_SEL_OFFSET	16
 #define MXC_CCM_COSR_SSI1_TX_SRC_SEL_MASK	(0x3 << 18)
