diff --git a/arch/powerpc/cpu/ppc4xx/4xx_uart.c b/arch/powerpc/cpu/ppc4xx/4xx_uart.c
index 9a11f3b..5eaeefe 100644
--- a/arch/powerpc/cpu/ppc4xx/4xx_uart.c
+++ b/arch/powerpc/cpu/ppc4xx/4xx_uart.c
@@ -312,10 +312,10 @@
 	}
 
 	*pudiv = udiv;
-	mfcpr(CPC0_PERD0, reg);
+	mfcpr(CPR0_PERD0, reg);
 	reg &= ~0x0000ffff;
 	reg |= ((udiv - 0) << 8) | (udiv - 0);
-	mtcpr(CPC0_PERD0, reg);
+	mtcpr(CPR0_PERD0, reg);
 	*pbdiv = div / udiv;
 }
 #endif /* defined(CONFIG_440) && !defined(CONFIG_SYS_EXT_SERIAL_CLK) */
diff --git a/arch/powerpc/cpu/ppc4xx/cpu_init.c b/arch/powerpc/cpu/ppc4xx/cpu_init.c
index 677a4b5..d54b30e 100644
--- a/arch/powerpc/cpu/ppc4xx/cpu_init.c
+++ b/arch/powerpc/cpu/ppc4xx/cpu_init.c
@@ -266,7 +266,7 @@
 	/*
 	 * Set EMAC noise filter bits
 	 */
-	mtdcr(CPC0_EPCTL, CPC0_EPRCSR_E0NFE | CPC0_EPRCSR_E1NFE);
+	mtdcr(CPC0_EPCTL, CPC0_EPCTL_E0NFE | CPC0_EPCTL_E1NFE);
 #endif /* CONFIG_405EP */
 
 #if defined(CONFIG_SYS_4xx_GPIO_TABLE)
diff --git a/arch/powerpc/cpu/ppc4xx/gpio.c b/arch/powerpc/cpu/ppc4xx/gpio.c
index 1f9f93a..20f0572 100644
--- a/arch/powerpc/cpu/ppc4xx/gpio.c
+++ b/arch/powerpc/cpu/ppc4xx/gpio.c
@@ -26,6 +26,9 @@
 #include <asm/io.h>
 #include <asm/ppc4xx-gpio.h>
 
+/* Only compile this file for boards with GPIO support */
+#if defined(GPIO0_BASE)
+
 #if defined(CONFIG_SYS_4xx_GPIO_TABLE)
 gpio_param_s const gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CONFIG_SYS_4xx_GPIO_TABLE;
 #endif
@@ -252,4 +255,6 @@
 		}
 	}
 }
+
+#endif /* GPIO0_BASE */
 #endif /* CONFIG_SYS_4xx_GPIO_TABLE */
diff --git a/arch/powerpc/cpu/ppc4xx/speed.c b/arch/powerpc/cpu/ppc4xx/speed.c
index 4d7eb29..abd4e91 100644
--- a/arch/powerpc/cpu/ppc4xx/speed.c
+++ b/arch/powerpc/cpu/ppc4xx/speed.c
@@ -902,7 +902,7 @@
 	/*
 	 * Read CPR_PRIMAD register
 	 */
-	mfcpr(CPC0_PRIMAD, cpr_primad);
+	mfcpr(CPR0_PRIMAD, cpr_primad);
 
 	/*
 	 * Determine PLB_DIV.
diff --git a/arch/powerpc/include/asm/ppc405.h b/arch/powerpc/include/asm/ppc405.h
index e0d165e..14a7a37 100644
--- a/arch/powerpc/include/asm/ppc405.h
+++ b/arch/powerpc/include/asm/ppc405.h
@@ -37,773 +37,44 @@
 /* DCR registers */
 #define PLB0_ACR	0x0087
 
-/******************************************************************************
- * Special for PPC405GP
- ******************************************************************************/
-
-/******************************************************************************
- * DMA
- ******************************************************************************/
-#define DMA_DCR_BASE 0x100
-#define DMACR0	(DMA_DCR_BASE+0x00)  /* DMA channel control register 0	     */
-#define DMACT0	(DMA_DCR_BASE+0x01)  /* DMA count register 0		     */
-#define DMADA0	(DMA_DCR_BASE+0x02)  /* DMA destination address register 0   */
-#define DMASA0	(DMA_DCR_BASE+0x03)  /* DMA source address register 0	     */
-#define DMASB0	(DMA_DCR_BASE+0x04)  /* DMA scatter/gather descriptor addr 0 */
-#define DMACR1	(DMA_DCR_BASE+0x08)  /* DMA channel control register 1	     */
-#define DMACT1	(DMA_DCR_BASE+0x09)  /* DMA count register 1		     */
-#define DMADA1	(DMA_DCR_BASE+0x0a)  /* DMA destination address register 1   */
-#define DMASA1	(DMA_DCR_BASE+0x0b)  /* DMA source address register 1	     */
-#define DMASB1	(DMA_DCR_BASE+0x0c)  /* DMA scatter/gather descriptor addr 1 */
-#define DMACR2	(DMA_DCR_BASE+0x10)  /* DMA channel control register 2	     */
-#define DMACT2	(DMA_DCR_BASE+0x11)  /* DMA count register 2		     */
-#define DMADA2	(DMA_DCR_BASE+0x12)  /* DMA destination address register 2   */
-#define DMASA2	(DMA_DCR_BASE+0x13)  /* DMA source address register 2	     */
-#define DMASB2	(DMA_DCR_BASE+0x14)  /* DMA scatter/gather descriptor addr 2 */
-#define DMACR3	(DMA_DCR_BASE+0x18)  /* DMA channel control register 3	     */
-#define DMACT3	(DMA_DCR_BASE+0x19)  /* DMA count register 3		     */
-#define DMADA3	(DMA_DCR_BASE+0x1a)  /* DMA destination address register 3   */
-#define DMASA3	(DMA_DCR_BASE+0x1b)  /* DMA source address register 3	     */
-#define DMASB3	(DMA_DCR_BASE+0x1c)  /* DMA scatter/gather descriptor addr 3 */
-#define DMASR	(DMA_DCR_BASE+0x20)  /* DMA status register		     */
-#define DMASGC	(DMA_DCR_BASE+0x23)  /* DMA scatter/gather command register  */
-#define DMAADR	(DMA_DCR_BASE+0x24)  /* DMA address decode register	     */
-
-#ifndef CONFIG_405EP
-/******************************************************************************
- * Decompression Controller
- ******************************************************************************/
-#define DECOMP_DCR_BASE 0x14
-#define KIAR  (DECOMP_DCR_BASE+0x0)	/* Decompression controller addr reg */
-#define KIDR  (DECOMP_DCR_BASE+0x1)	/* Decompression controller data reg */
-/* values for kiar register - indirect addressing of these regs */
-#define KCONF	0x40			/* decompression core config register */
-#endif
-
-/******************************************************************************
- * Power Management
- ******************************************************************************/
-#ifdef CONFIG_405EX
-#define POWERMAN_DCR_BASE 0xb0
-#else
-#define POWERMAN_DCR_BASE 0xb8
-#endif
-#define CPMSR	(POWERMAN_DCR_BASE+0x0) /* Power management status */
-#define CPMER	(POWERMAN_DCR_BASE+0x1) /* Power management enable */
-#define CPMFR	(POWERMAN_DCR_BASE+0x2) /* Power management force */
-
-/******************************************************************************
- * Extrnal Bus Controller
- ******************************************************************************/
-  /* values for EBC0_CFGADDR register - indirect addressing of these regs */
-  #define PB0CR		0x00	/* periph bank 0 config reg */
-  #define PB1CR		0x01	/* periph bank 1 config reg */
-  #define PB2CR		0x02	/* periph bank 2 config reg */
-  #define PB3CR		0x03	/* periph bank 3 config reg */
-  #define PB4CR		0x04	/* periph bank 4 config reg */
-#ifndef CONFIG_405EP
-  #define PB5CR		0x05	/* periph bank 5 config reg */
-  #define PB6CR		0x06	/* periph bank 6 config reg */
-  #define PB7CR		0x07	/* periph bank 7 config reg */
-#endif
-  #define PB0AP		0x10	/* periph bank 0 access parameters */
-  #define PB1AP		0x11	/* periph bank 1 access parameters */
-  #define PB2AP		0x12	/* periph bank 2 access parameters */
-  #define PB3AP		0x13	/* periph bank 3 access parameters */
-  #define PB4AP		0x14	/* periph bank 4 access parameters */
-#ifndef CONFIG_405EP
-  #define PB5AP		0x15	/* periph bank 5 access parameters */
-  #define PB6AP		0x16	/* periph bank 6 access parameters */
-  #define PB7AP		0x17	/* periph bank 7 access parameters */
-#endif
-  #define PBEAR		0x20	/* periph bus error addr reg */
-  #define PBESR0	0x21	/* periph bus error status reg 0 */
-  #define PBESR1	0x22	/* periph bus error status reg 1 */
-#define EBC0_CFG	0x23	/* external bus configuration reg */
-
-#ifdef CONFIG_405EP
-/******************************************************************************
- * Control
- ******************************************************************************/
-#define CNTRL_DCR_BASE 0x0f0
-#define CPC0_PLLMR0   (CNTRL_DCR_BASE+0x0)  /* PLL mode  register 0	*/
-#define CPC0_BOOT     (CNTRL_DCR_BASE+0x1)  /* Clock status register	*/
-#define CPC0_EPCTL    (CNTRL_DCR_BASE+0x3)  /* EMAC to PHY control register */
-#define CPC0_PLLMR1   (CNTRL_DCR_BASE+0x4)  /* PLL mode  register 1	*/
-#define CPC0_UCR      (CNTRL_DCR_BASE+0x5)  /* UART control register	*/
-#define CPC0_PCI      (CNTRL_DCR_BASE+0x9)  /* PCI control register	*/
-
-#define CPC0_PLLMR0  (CNTRL_DCR_BASE+0x0)  /* PLL mode 0 register */
-#define CPC0_BOOT    (CNTRL_DCR_BASE+0x1)  /* Chip Clock Status register */
-#define CPC0_CR1     (CNTRL_DCR_BASE+0x2)  /* Chip Control 1 register */
-#define CPC0_EPRCSR  (CNTRL_DCR_BASE+0x3)  /* EMAC PHY Rcv Clk Src register */
-#define CPC0_PLLMR1  (CNTRL_DCR_BASE+0x4)  /* PLL mode 1 register */
-#define CPC0_UCR     (CNTRL_DCR_BASE+0x5)  /* UART Control register */
-#define CPC0_SRR     (CNTRL_DCR_BASE+0x6)  /* Soft Reset register */
-#define CPC0_JTAGID  (CNTRL_DCR_BASE+0x7)  /* JTAG ID register */
-#define CPC0_SPARE   (CNTRL_DCR_BASE+0x8)  /* Spare DCR */
-#define CPC0_PCI     (CNTRL_DCR_BASE+0x9)  /* PCI Control register */
-
-/* Bit definitions */
-#define PLLMR0_CPU_DIV_MASK	 0x00300000	/* CPU clock divider */
-#define PLLMR0_CPU_DIV_BYPASS	 0x00000000
-#define PLLMR0_CPU_DIV_2	 0x00100000
-#define PLLMR0_CPU_DIV_3	 0x00200000
-#define PLLMR0_CPU_DIV_4	 0x00300000
-
-#define PLLMR0_CPU_TO_PLB_MASK	 0x00030000	/* CPU:PLB Frequency Divisor */
-#define PLLMR0_CPU_PLB_DIV_1	 0x00000000
-#define PLLMR0_CPU_PLB_DIV_2	 0x00010000
-#define PLLMR0_CPU_PLB_DIV_3	 0x00020000
-#define PLLMR0_CPU_PLB_DIV_4	 0x00030000
-
-#define PLLMR0_OPB_TO_PLB_MASK	 0x00003000	/* OPB:PLB Frequency Divisor */
-#define PLLMR0_OPB_PLB_DIV_1	 0x00000000
-#define PLLMR0_OPB_PLB_DIV_2	 0x00001000
-#define PLLMR0_OPB_PLB_DIV_3	 0x00002000
-#define PLLMR0_OPB_PLB_DIV_4	 0x00003000
-
-#define PLLMR0_EXB_TO_PLB_MASK	 0x00000300	/* External Bus:PLB Divisor */
-#define PLLMR0_EXB_PLB_DIV_2	 0x00000000
-#define PLLMR0_EXB_PLB_DIV_3	 0x00000100
-#define PLLMR0_EXB_PLB_DIV_4	 0x00000200
-#define PLLMR0_EXB_PLB_DIV_5	 0x00000300
-
-#define PLLMR0_MAL_TO_PLB_MASK	 0x00000030	/* MAL:PLB Divisor */
-#define PLLMR0_MAL_PLB_DIV_1	 0x00000000
-#define PLLMR0_MAL_PLB_DIV_2	 0x00000010
-#define PLLMR0_MAL_PLB_DIV_3	 0x00000020
-#define PLLMR0_MAL_PLB_DIV_4	 0x00000030
-
-#define PLLMR0_PCI_TO_PLB_MASK	 0x00000003	/* PCI:PLB Frequency Divisor */
-#define PLLMR0_PCI_PLB_DIV_1	 0x00000000
-#define PLLMR0_PCI_PLB_DIV_2	 0x00000001
-#define PLLMR0_PCI_PLB_DIV_3	 0x00000002
-#define PLLMR0_PCI_PLB_DIV_4	 0x00000003
-
-#define PLLMR1_SSCS_MASK	 0x80000000	/* Select system clock source */
-#define PLLMR1_PLLR_MASK	 0x40000000	/* PLL reset */
-#define PLLMR1_FBMUL_MASK	 0x00F00000 /* PLL feedback multiplier value */
-#define PLLMR1_FBMUL_DIV_16	 0x00000000
-#define PLLMR1_FBMUL_DIV_1	 0x00100000
-#define PLLMR1_FBMUL_DIV_2	 0x00200000
-#define PLLMR1_FBMUL_DIV_3	 0x00300000
-#define PLLMR1_FBMUL_DIV_4	 0x00400000
-#define PLLMR1_FBMUL_DIV_5	 0x00500000
-#define PLLMR1_FBMUL_DIV_6	 0x00600000
-#define PLLMR1_FBMUL_DIV_7	 0x00700000
-#define PLLMR1_FBMUL_DIV_8	 0x00800000
-#define PLLMR1_FBMUL_DIV_9	 0x00900000
-#define PLLMR1_FBMUL_DIV_10	 0x00A00000
-#define PLLMR1_FBMUL_DIV_11	 0x00B00000
-#define PLLMR1_FBMUL_DIV_12	 0x00C00000
-#define PLLMR1_FBMUL_DIV_13	 0x00D00000
-#define PLLMR1_FBMUL_DIV_14	 0x00E00000
-#define PLLMR1_FBMUL_DIV_15	 0x00F00000
-
-#define PLLMR1_FWDVA_MASK	 0x00070000 /* PLL forward divider A value */
-#define PLLMR1_FWDVA_DIV_8	 0x00000000
-#define PLLMR1_FWDVA_DIV_7	 0x00010000
-#define PLLMR1_FWDVA_DIV_6	 0x00020000
-#define PLLMR1_FWDVA_DIV_5	 0x00030000
-#define PLLMR1_FWDVA_DIV_4	 0x00040000
-#define PLLMR1_FWDVA_DIV_3	 0x00050000
-#define PLLMR1_FWDVA_DIV_2	 0x00060000
-#define PLLMR1_FWDVA_DIV_1	 0x00070000
-#define PLLMR1_FWDVB_MASK	 0x00007000 /* PLL forward divider B value */
-#define PLLMR1_TUNING_MASK	 0x000003FF /* PLL tune bits */
-
-/* Defines for CPC0_EPRCSR register */
-#define CPC0_EPRCSR_E0NFE	0x80000000
-#define CPC0_EPRCSR_E1NFE	0x40000000
-#define CPC0_EPRCSR_E1RPP	0x00000080
-#define CPC0_EPRCSR_E0RPP	0x00000040
-#define CPC0_EPRCSR_E1ERP	0x00000020
-#define CPC0_EPRCSR_E0ERP	0x00000010
-#define CPC0_EPRCSR_E1PCI	0x00000002
-#define CPC0_EPRCSR_E0PCI	0x00000001
-
-/* Defines for CPC0_PCI Register */
-#define CPC0_PCI_SPE		0x00000010 /* PCIINT/WE select	 */
-#define CPC0_PCI_HOST_CFG_EN	0x00000008 /* PCI host config Enable */
-#define CPC0_PCI_ARBIT_EN	0x00000001 /* PCI Internal Arb Enabled */
-
-/* Defines for CPC0_BOOR Register */
-#define CPC0_BOOT_SEP		0x00000002 /* serial EEPROM present */
-
-/* Defines for CPC0_PLLMR1 Register fields */
-#define PLL_ACTIVE		0x80000000
-#define CPC0_PLLMR1_SSCS	0x80000000
-#define PLL_RESET		0x40000000
-#define CPC0_PLLMR1_PLLR	0x40000000
-	/* Feedback multiplier */
-#define PLL_FBKDIV		0x00F00000
-#define CPC0_PLLMR1_FBDV	0x00F00000
-#define PLL_FBKDIV_16		0x00000000
-#define PLL_FBKDIV_1		0x00100000
-#define PLL_FBKDIV_2		0x00200000
-#define PLL_FBKDIV_3		0x00300000
-#define PLL_FBKDIV_4		0x00400000
-#define PLL_FBKDIV_5		0x00500000
-#define PLL_FBKDIV_6		0x00600000
-#define PLL_FBKDIV_7		0x00700000
-#define PLL_FBKDIV_8		0x00800000
-#define PLL_FBKDIV_9		0x00900000
-#define PLL_FBKDIV_10		0x00A00000
-#define PLL_FBKDIV_11		0x00B00000
-#define PLL_FBKDIV_12		0x00C00000
-#define PLL_FBKDIV_13		0x00D00000
-#define PLL_FBKDIV_14		0x00E00000
-#define PLL_FBKDIV_15		0x00F00000
-	/* Forward A divisor */
-#define PLL_FWDDIVA		0x00070000
-#define CPC0_PLLMR1_FWDVA	0x00070000
-#define PLL_FWDDIVA_8		0x00000000
-#define PLL_FWDDIVA_7		0x00010000
-#define PLL_FWDDIVA_6		0x00020000
-#define PLL_FWDDIVA_5		0x00030000
-#define PLL_FWDDIVA_4		0x00040000
-#define PLL_FWDDIVA_3		0x00050000
-#define PLL_FWDDIVA_2		0x00060000
-#define PLL_FWDDIVA_1		0x00070000
-	/* Forward B divisor */
-#define PLL_FWDDIVB		0x00007000
-#define CPC0_PLLMR1_FWDVB	0x00007000
-#define PLL_FWDDIVB_8		0x00000000
-#define PLL_FWDDIVB_7		0x00001000
-#define PLL_FWDDIVB_6		0x00002000
-#define PLL_FWDDIVB_5		0x00003000
-#define PLL_FWDDIVB_4		0x00004000
-#define PLL_FWDDIVB_3		0x00005000
-#define PLL_FWDDIVB_2		0x00006000
-#define PLL_FWDDIVB_1		0x00007000
-	/* PLL tune bits */
-#define PLL_TUNE_MASK		 0x000003FF
-#define PLL_TUNE_2_M_3		 0x00000133	/*  2 <= M <= 3 */
-#define PLL_TUNE_4_M_6		 0x00000134	/*  3 <  M <= 6 */
-#define PLL_TUNE_7_M_10		 0x00000138	/*  6 <  M <= 10 */
-#define PLL_TUNE_11_M_14	 0x0000013C	/* 10 <  M <= 14 */
-#define PLL_TUNE_15_M_40	 0x0000023E	/* 14 <  M <= 40 */
-#define PLL_TUNE_VCO_LOW	 0x00000000	/* 500MHz <= VCO <=  800MHz */
-#define PLL_TUNE_VCO_HI		 0x00000080	/* 800MHz <  VCO <= 1000MHz */
-
-/* Defines for CPC0_PLLMR0 Register fields */
-	/* CPU divisor */
-#define PLL_CPUDIV		0x00300000
-#define CPC0_PLLMR0_CCDV	0x00300000
-#define PLL_CPUDIV_1		0x00000000
-#define PLL_CPUDIV_2		0x00100000
-#define PLL_CPUDIV_3		0x00200000
-#define PLL_CPUDIV_4		0x00300000
-	/* PLB divisor */
-#define PLL_PLBDIV		0x00030000
-#define CPC0_PLLMR0_CBDV	0x00030000
-#define PLL_PLBDIV_1		0x00000000
-#define PLL_PLBDIV_2		0x00010000
-#define PLL_PLBDIV_3		0x00020000
-#define PLL_PLBDIV_4		0x00030000
-	/* OPB divisor */
-#define PLL_OPBDIV		0x00003000
-#define CPC0_PLLMR0_OPDV	0x00003000
-#define PLL_OPBDIV_1		0x00000000
-#define PLL_OPBDIV_2		0x00001000
-#define PLL_OPBDIV_3		0x00002000
-#define PLL_OPBDIV_4		0x00003000
-	/* EBC divisor */
-#define PLL_EXTBUSDIV		0x00000300
-#define CPC0_PLLMR0_EPDV	0x00000300
-#define PLL_EXTBUSDIV_2		0x00000000
-#define PLL_EXTBUSDIV_3		0x00000100
-#define PLL_EXTBUSDIV_4		0x00000200
-#define PLL_EXTBUSDIV_5		0x00000300
-	/* MAL divisor */
-#define PLL_MALDIV		0x00000030
-#define CPC0_PLLMR0_MPDV	0x00000030
-#define PLL_MALDIV_1		0x00000000
-#define PLL_MALDIV_2		0x00000010
-#define PLL_MALDIV_3		0x00000020
-#define PLL_MALDIV_4		0x00000030
-	/* PCI divisor */
-#define PLL_PCIDIV		0x00000003
-#define CPC0_PLLMR0_PPFD	0x00000003
-#define PLL_PCIDIV_1		0x00000000
-#define PLL_PCIDIV_2		0x00000001
-#define PLL_PCIDIV_3		0x00000002
-#define PLL_PCIDIV_4		0x00000003
-
-/*
- *------------------------------------------------------------------------------
- * PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
- * assuming a 33.3MHz input clock to the 405EP.
- *------------------------------------------------------------------------------
- */
-#define PLLMR0_266_133_66  (PLL_CPUDIV_1 | PLL_PLBDIV_2 |  \
-			    PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |  \
-			    PLL_MALDIV_1 | PLL_PCIDIV_4)
-#define PLLMR1_266_133_66  (PLL_FBKDIV_8  |  \
-			    PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
-			    PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
-
-#define PLLMR0_133_66_66_33  (PLL_CPUDIV_1 | PLL_PLBDIV_1 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_4)
-#define PLLMR1_133_66_66_33  (PLL_FBKDIV_4  |  \
-			      PLL_FWDDIVA_6 | PLL_FWDDIVB_6 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
-#define PLLMR0_200_100_50_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_3 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_4)
-#define PLLMR1_200_100_50_33 (PLL_FBKDIV_6  |  \
-			      PLL_FWDDIVA_4 | PLL_FWDDIVB_4 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
-#define PLLMR0_266_133_66_33 (PLL_CPUDIV_1 | PLL_PLBDIV_2 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_4)
-#define PLLMR1_266_133_66_33 (PLL_FBKDIV_8  |  \
-			      PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
-#define PLLMR0_266_66_33_33 (PLL_CPUDIV_1 | PLL_PLBDIV_4 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_2)
-#define PLLMR1_266_66_33_33 (PLL_FBKDIV_8  |  \
-			      PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
-#define PLLMR0_333_111_55_37 (PLL_CPUDIV_1 | PLL_PLBDIV_3 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_3)
-#define PLLMR1_333_111_55_37 (PLL_FBKDIV_10  |	\
-			      PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
-#define PLLMR0_333_111_55_111 (PLL_CPUDIV_1 | PLL_PLBDIV_3 |  \
-			      PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
-			      PLL_MALDIV_1 | PLL_PCIDIV_1)
-#define PLLMR1_333_111_55_111 (PLL_FBKDIV_10  |  \
-			      PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |  \
-			      PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
-
-/*
- * PLL Voltage Controlled Oscillator (VCO) definitions
- * Maximum and minimum values (in MHz) for correct PLL operation.
- */
-#define VCO_MIN     500
-#define VCO_MAX     1000
-#elif defined(CONFIG_405EZ)
-#define SDR0_NAND0	0x4000
-#define SDR0_ULTRA0	0x4040
-#define SDR0_ULTRA1	0x4050
-#define SDR0_ICINTSTAT	0x4510
-
-#define SDR_NAND0_NDEN		0x80000000
-#define SDR_NAND0_NDBTEN	0x40000000
-#define SDR_NAND0_NDBADR_MASK	0x30000000
-#define SDR_NAND0_NDBPG_MASK	0x0f000000
-#define SDR_NAND0_NDAREN	0x00800000
-#define SDR_NAND0_NDRBEN	0x00400000
-
-#define SDR_ULTRA0_NDGPIOBP	0x80000000
-#define SDR_ULTRA0_CSN_MASK	0x78000000
-#define SDR_ULTRA0_CSNSEL0	0x40000000
-#define SDR_ULTRA0_CSNSEL1	0x20000000
-#define SDR_ULTRA0_CSNSEL2	0x10000000
-#define SDR_ULTRA0_CSNSEL3	0x08000000
-#define SDR_ULTRA0_EBCRDYEN	0x04000000
-#define SDR_ULTRA0_SPISSINEN	0x02000000
-#define SDR_ULTRA0_NFSRSTEN	0x01000000
-
-#define SDR_ULTRA1_LEDNENABLE	0x40000000
-
-#define SDR_ICRX_STAT	0x80000000
-#define SDR_ICTX0_STAT	0x40000000
-#define SDR_ICTX1_STAT	0x20000000
-
-#define SDR0_PINSTP	0x40
-
-/******************************************************************************
- * Control
- ******************************************************************************/
-/* CPR Registers */
-#define CPR0_CLKUP	0x020		/* CPR_CLKUPD */
-#define CPR0_PLLC		0x040		/* CPR_PLLC */
-#define CPR0_PLLD		0x060		/* CPR_PLLD */
-#define CPC0_PRIMAD	0x080		/* CPR_PRIMAD */
-#define CPC0_PERD0	0x0e0		/* CPR_PERD0 */
-#define CPC0_PERD1	0x0e1		/* CPR_PERD1 */
-#define CPC0_PERC0	0x180		/* CPR_PERC0 */
-
-#define CPR_CLKUPD_ENPLLCH_EN  0x40000000 /* Enable CPR PLL Changes */
-#define CPR_CLKUPD_ENDVCH_EN   0x20000000 /* Enable CPR Sys. Div. Changes */
-#define CPR_PERD0_SPIDV_MASK   0x000F0000 /* SPI Clock Divider */
-
-#define PLLC_SRC_MASK	       0x20000000 /* PLL feedback source */
-
-#define PLLD_FBDV_MASK	       0x1F000000 /* PLL feedback divider value */
-#define PLLD_FWDVA_MASK        0x000F0000 /* PLL forward divider A value */
-#define PLLD_FWDVB_MASK        0x00000700 /* PLL forward divider B value */
-
-#define PRIMAD_CPUDV_MASK      0x0F000000 /* CPU Clock Divisor Mask */
-#define PRIMAD_PLBDV_MASK      0x000F0000 /* PLB Clock Divisor Mask */
-#define PRIMAD_OPBDV_MASK      0x00000F00 /* OPB Clock Divisor Mask */
-#define PRIMAD_EBCDV_MASK      0x0000000F /* EBC Clock Divisor Mask */
-
-#define PERD0_PWMDV_MASK       0xFF000000 /* PWM Divider Mask */
-#define PERD0_SPIDV_MASK       0x000F0000 /* SPI Divider Mask */
-#define PERD0_U0DV_MASK        0x0000FF00 /* UART 0 Divider Mask */
-#define PERD0_U1DV_MASK        0x000000FF /* UART 1 Divider Mask */
-
-#else /* #ifdef CONFIG_405EP */
-/******************************************************************************
- * Control
- ******************************************************************************/
-#define CNTRL_DCR_BASE 0x0b0
-#define CPC0_PLLMR	(CNTRL_DCR_BASE + 0x0)	/* PLL mode  register */
-#define CPC0_CR0	(CNTRL_DCR_BASE + 0x1)	/* chip control register 0 */
-#define CPC0_CR1	(CNTRL_DCR_BASE + 0x2)	/* chip control register 1 */
-#define CPC0_PSR	(CNTRL_DCR_BASE + 0x4)	/* chip pin strapping reg */
-
-/* CPC0_ECR/CPC0_EIRR: PPC405GPr only */
-#define CPC0_EIRR	(CNTRL_DCR_BASE + 0x6)	/* ext interrupt routing reg */
-#define CPC0_ECR	0xaa			/* edge conditioner register */
-
-/* Bit definitions */
-#define PLLMR_FWD_DIV_MASK	0xE0000000	/* Forward Divisor */
-#define PLLMR_FWD_DIV_BYPASS	0xE0000000
-#define PLLMR_FWD_DIV_3		0xA0000000
-#define PLLMR_FWD_DIV_4		0x80000000
-#define PLLMR_FWD_DIV_6		0x40000000
-
-#define PLLMR_FB_DIV_MASK	0x1E000000	/* Feedback Divisor */
-#define PLLMR_FB_DIV_1		0x02000000
-#define PLLMR_FB_DIV_2		0x04000000
-#define PLLMR_FB_DIV_3		0x06000000
-#define PLLMR_FB_DIV_4		0x08000000
-
-#define PLLMR_TUNING_MASK	0x01F80000
-
-#define PLLMR_CPU_TO_PLB_MASK	0x00060000	/* CPU:PLB Frequency Divisor */
-#define PLLMR_CPU_PLB_DIV_1	0x00000000
-#define PLLMR_CPU_PLB_DIV_2	0x00020000
-#define PLLMR_CPU_PLB_DIV_3	0x00040000
-#define PLLMR_CPU_PLB_DIV_4	0x00060000
-
-#define PLLMR_OPB_TO_PLB_MASK	0x00018000	/* OPB:PLB Frequency Divisor */
-#define PLLMR_OPB_PLB_DIV_1	0x00000000
-#define PLLMR_OPB_PLB_DIV_2	0x00008000
-#define PLLMR_OPB_PLB_DIV_3	0x00010000
-#define PLLMR_OPB_PLB_DIV_4	0x00018000
-
-#define PLLMR_PCI_TO_PLB_MASK	0x00006000	/* PCI:PLB Frequency Divisor */
-#define PLLMR_PCI_PLB_DIV_1	0x00000000
-#define PLLMR_PCI_PLB_DIV_2	0x00002000
-#define PLLMR_PCI_PLB_DIV_3	0x00004000
-#define PLLMR_PCI_PLB_DIV_4	0x00006000
-
-#define PLLMR_EXB_TO_PLB_MASK	0x00001800	/* External Bus:PLB Divisor */
-#define PLLMR_EXB_PLB_DIV_2	0x00000000
-#define PLLMR_EXB_PLB_DIV_3	0x00000800
-#define PLLMR_EXB_PLB_DIV_4	0x00001000
-#define PLLMR_EXB_PLB_DIV_5	0x00001800
-
-/* definitions for PPC405GPr (new mode strapping) */
-#define PLLMR_FWDB_DIV_MASK	0x00000007	/* Forward Divisor B */
-
-#define PSR_PLL_FWD_MASK	0xC0000000
-#define PSR_PLL_FDBACK_MASK	0x30000000
-#define PSR_PLL_TUNING_MASK	0x0E000000
-#define PSR_PLB_CPU_MASK	0x01800000
-#define PSR_OPB_PLB_MASK	0x00600000
-#define PSR_PCI_PLB_MASK	0x00180000
-#define PSR_EB_PLB_MASK		0x00060000
-#define PSR_ROM_WIDTH_MASK	0x00018000
-#define PSR_ROM_LOC		0x00004000
-#define PSR_PCI_ASYNC_EN	0x00001000
-#define PSR_PERCLK_SYNC_MODE_EN 0x00000800	/* PPC405GPr only */
-#define PSR_PCI_ARBIT_EN	0x00000400
-#define PSR_NEW_MODE_EN		0x00000020	/* PPC405GPr only */
-
-#ifndef CONFIG_IOP480
-/*
- * PLL Voltage Controlled Oscillator (VCO) definitions
- * Maximum and minimum values (in MHz) for correct PLL operation.
-*/
-#define VCO_MIN     400
-#define VCO_MAX     800
-#endif /* #ifndef CONFIG_IOP480 */
-#endif /* #ifdef CONFIG_405EP */
-
-#if 0
-/******************************************************************************
- * Memory Access Layer
- ******************************************************************************/
-#define	MAL0_CFG	(MAL_DCR_BASE + 0x00) /* MAL Config reg */
-#define	MAL0_ESR	(MAL_DCR_BASE + 0x01) /* Err Status (Read/Clear) */
-#define	MAL0_IER	(MAL_DCR_BASE + 0x02) /* Interrupt enable */
-#define	MAL0_TXCASR	(MAL_DCR_BASE + 0x04) /* TX Channel active (set) */
-#define	MAL0_TXCARR	(MAL_DCR_BASE + 0x05) /* TX Channel active (reset) */
-#define	MAL0_TXEOBISR	(MAL_DCR_BASE + 0x06) /* TX End of buffer int status */
-#define	MAL0_TXDEIR	(MAL_DCR_BASE + 0x07) /* TX Descr. Error Int reg */
-#define	MAL0_RXCASR	(MAL_DCR_BASE + 0x10) /* RX Channel active (set) */
-#define	MAL0_RXCARR	(MAL_DCR_BASE + 0x11) /* RX Channel active (reset) */
-#define	MAL0_RXEOBISR	(MAL_DCR_BASE + 0x12) /* RX End of buffer int status */
-#define	MAL0_RXDEIR	(MAL_DCR_BASE + 0x13) /* RX Descr. Error Int reg */
-#define	MAL0_TXCTP0R	(MAL_DCR_BASE + 0x20) /* TX 0 Channel table ptr */
-#define	MAL0_TXCTP1R	(MAL_DCR_BASE + 0x21) /* TX 1 Channel table ptr */
-#define	MAL0_TXCTP2R	(MAL_DCR_BASE + 0x22) /* TX 2 Channel table ptr */
-#define	MAL0_TXCTP3R	(MAL_DCR_BASE + 0x23) /* TX 3 Channel table ptr */
-#define	MAL0_RXCTP0R	(MAL_DCR_BASE + 0x40) /* RX 0 Channel table ptr */
-#define	MAL0_RXCTP1R	(MAL_DCR_BASE + 0x41) /* RX 1 Channel table ptr */
-#define	MAL0_RXCTP2R	(MAL_DCR_BASE + 0x42) /* RX 2 Channel table ptr */
-#define	MAL0_RXCTP3R	(MAL_DCR_BASE + 0x43) /* RX 3 Channel table ptr */
-#define	MAL0_RXCTP8R	(MAL_DCR_BASE + 0x48) /* RX 8 Channel table ptr */
-#define	MAL0_RXCTP16R	(MAL_DCR_BASE + 0x50) /* RX 16 Channel table ptr */
-#define	MAL0_RXCTP24R	(MAL_DCR_BASE + 0x58) /* RX 24 Channel table ptr */
-#define	MAL0_RCBS0	(MAL_DCR_BASE + 0x60) /* RX 0 Channel buffer size */
-#define	MAL0_RCBS1	(MAL_DCR_BASE + 0x61) /* RX 1 Channel buffer size */
-#define	MAL0_RCBS2	(MAL_DCR_BASE + 0x62) /* RX 2 Channel buffer size */
-#define	MAL0_RCBS3	(MAL_DCR_BASE + 0x63) /* RX 3 Channel buffer size */
-#define	MAL0_RCBS8	(MAL_DCR_BASE + 0x68) /* RX 8 Channel buffer size */
-#define	MAL0_RCBS16	(MAL_DCR_BASE + 0x70) /* RX 16 Channel buffer size */
-#define	MAL0_RCBS24	(MAL_DCR_BASE + 0x78) /* RX 24 Channel buffer size */
-#endif
-
-/*-----------------------------------------------------------------------------
-| UART Register Offsets
-'----------------------------------------------------------------------------*/
-#define		DATA_REG	0x00
-#define		DL_LSB		0x00
-#define		DL_MSB		0x01
-#define		INT_ENABLE	0x01
-#define		FIFO_CONTROL	0x02
-#define		LINE_CONTROL	0x03
-#define		MODEM_CONTROL	0x04
-#define		LINE_STATUS	0x05
-#define		MODEM_STATUS	0x06
-#define		SCRATCH		0x07
-
-/******************************************************************************
- * On Chip Memory
- ******************************************************************************/
-#if defined(CONFIG_405EZ)
-#define OCM_DCR_BASE 0x020
-#define OCM0_PLBCR1	(OCM_DCR_BASE + 0x00)	/* OCM PLB3 Bank 1 Config */
-#define OCM0_PLBCR2	(OCM_DCR_BASE + 0x01)	/* OCM PLB3 Bank 2 Config */
-#define OCM0_PLBBEAR	(OCM_DCR_BASE + 0x02)	/* OCM PLB3 Bus Error Add */
-#define OCM0_DSRC1	(OCM_DCR_BASE + 0x08)	/* OCM D-side Bank 1 Config */
-#define OCM0_DSRC2	(OCM_DCR_BASE + 0x09)	/* OCM D-side Bank 2 Config */
-#define OCM0_ISRC1	(OCM_DCR_BASE + 0x0A)	/* OCM I-side Bank 1Config */
-#define OCM0_ISRC2	(OCM_DCR_BASE + 0x0B)	/* OCM I-side Bank 2 Config */
-#define OCM0_DISDPC	(OCM_DCR_BASE + 0x0C)	/* OCM D-/I-side Data Par Chk */
-#else
-#define OCM_DCR_BASE 0x018
-#define OCM0_ISCNTL	(OCM_DCR_BASE+0x01)	/* OCM I-side control reg */
-#define OCM0_DSARC	(OCM_DCR_BASE+0x02)	/* OCM D-side address compare */
-#define OCM0_DSCNTL	(OCM_DCR_BASE+0x03)	/* OCM D-side control */
-#endif /* CONFIG_405EZ */
-
-/******************************************************************************
- * GPIO macro register defines
- ******************************************************************************/
-#if defined(CONFIG_405EZ)
-/* Only the 405EZ has 2 GPIOs */
-#define GPIO_BASE  0xEF600700
-#define GPIO0_OR		(GPIO_BASE+0x0)
-#define GPIO0_TCR		(GPIO_BASE+0x4)
-#define GPIO0_OSRL		(GPIO_BASE+0x8)
-#define GPIO0_OSRH		(GPIO_BASE+0xC)
-#define GPIO0_TSRL		(GPIO_BASE+0x10)
-#define GPIO0_TSRH		(GPIO_BASE+0x14)
-#define GPIO0_ODR		(GPIO_BASE+0x18)
-#define GPIO0_IR		(GPIO_BASE+0x1C)
-#define GPIO0_RR1		(GPIO_BASE+0x20)
-#define GPIO0_RR2		(GPIO_BASE+0x24)
-#define GPIO0_RR3		(GPIO_BASE+0x28)
-#define GPIO0_ISR1L		(GPIO_BASE+0x30)
-#define GPIO0_ISR1H		(GPIO_BASE+0x34)
-#define GPIO0_ISR2L		(GPIO_BASE+0x38)
-#define GPIO0_ISR2H		(GPIO_BASE+0x3C)
-#define GPIO0_ISR3L		(GPIO_BASE+0x40)
-#define GPIO0_ISR3H		(GPIO_BASE+0x44)
-
-#define GPIO1_BASE  0xEF600800
-#define GPIO1_OR		(GPIO1_BASE+0x0)
-#define GPIO1_TCR		(GPIO1_BASE+0x4)
-#define GPIO1_OSRL		(GPIO1_BASE+0x8)
-#define GPIO1_OSRH		(GPIO1_BASE+0xC)
-#define GPIO1_TSRL		(GPIO1_BASE+0x10)
-#define GPIO1_TSRH		(GPIO1_BASE+0x14)
-#define GPIO1_ODR		(GPIO1_BASE+0x18)
-#define GPIO1_IR		(GPIO1_BASE+0x1C)
-#define GPIO1_RR1		(GPIO1_BASE+0x20)
-#define GPIO1_RR2		(GPIO1_BASE+0x24)
-#define GPIO1_RR3		(GPIO1_BASE+0x28)
-#define GPIO1_ISR1L		(GPIO1_BASE+0x30)
-#define GPIO1_ISR1H		(GPIO1_BASE+0x34)
-#define GPIO1_ISR2L		(GPIO1_BASE+0x38)
-#define GPIO1_ISR2H		(GPIO1_BASE+0x3C)
-#define GPIO1_ISR3L		(GPIO1_BASE+0x40)
-#define GPIO1_ISR3H		(GPIO1_BASE+0x44)
-
-#elif defined(CONFIG_405EX)
-#define GPIO_BASE  0xEF600800
-#define GPIO0_OR	       (GPIO_BASE+0x0)
-#define GPIO0_TCR	       (GPIO_BASE+0x4)
-#define GPIO0_OSRL	       (GPIO_BASE+0x8)
-#define GPIO0_OSRH	       (GPIO_BASE+0xC)
-#define GPIO0_TSRL	       (GPIO_BASE+0x10)
-#define GPIO0_TSRH	       (GPIO_BASE+0x14)
-#define GPIO0_ODR	       (GPIO_BASE+0x18)
-#define GPIO0_IR	       (GPIO_BASE+0x1C)
-#define GPIO0_RR1	       (GPIO_BASE+0x20)
-#define GPIO0_RR2	       (GPIO_BASE+0x24)
-#define GPIO0_ISR1L	       (GPIO_BASE+0x30)
-#define GPIO0_ISR1H	       (GPIO_BASE+0x34)
-#define GPIO0_ISR2L	       (GPIO_BASE+0x38)
-#define GPIO0_ISR2H	       (GPIO_BASE+0x3C)
-#define GPIO0_ISR3L	       (GPIO_BASE+0x40)
-#define GPIO0_ISR3H	       (GPIO_BASE+0x44)
-
-#else	/* !405EZ */
-
-#define GPIO_BASE  0xEF600700
-#define GPIO0_OR	       (GPIO_BASE+0x0)
-#define GPIO0_TCR	       (GPIO_BASE+0x4)
-#define GPIO0_OSRH	       (GPIO_BASE+0x8)
-#define GPIO0_OSRL	       (GPIO_BASE+0xC)
-#define GPIO0_TSRH	       (GPIO_BASE+0x10)
-#define GPIO0_TSRL	       (GPIO_BASE+0x14)
-#define GPIO0_ODR	       (GPIO_BASE+0x18)
-#define GPIO0_IR	       (GPIO_BASE+0x1C)
-#define GPIO0_RR1	       (GPIO_BASE+0x20)
-#define GPIO0_RR2	       (GPIO_BASE+0x24)
-#define GPIO0_ISR1H	       (GPIO_BASE+0x30)
-#define GPIO0_ISR1L	       (GPIO_BASE+0x34)
-#define GPIO0_ISR2H	       (GPIO_BASE+0x38)
-#define GPIO0_ISR2L	       (GPIO_BASE+0x3C)
-
-#endif /* CONFIG_405EZ */
-
-#define GPIO0_BASE		GPIO_BASE
+/* SDR registers */
+#define SDR0_PINSTP	0x0040
 
-#if defined(CONFIG_405EX)
-#define SDR0_SRST		0x0200
+/* CPR registers */
+#define CPR0_CLKUPD	0x0020
+#define CPR0_PLLC	0x0040
+#define CPR0_PLLD	0x0060
+#define CPR0_CPUD	0x0080
+#define CPR0_PLBD	0x00a0
+#define CPR0_OPBD0	0x00c0
+#define CPR0_PERD	0x00e0
 
 /*
- * Software Reset Register
+ * DMA
  */
-#define SDR0_SRST_BGO		PPC_REG_VAL(0, 1)
-#define SDR0_SRST_PLB4		PPC_REG_VAL(1, 1)
-#define SDR0_SRST_EBC		PPC_REG_VAL(2, 1)
-#define SDR0_SRST_OPB		PPC_REG_VAL(3, 1)
-#define SDR0_SRST_UART0		PPC_REG_VAL(4, 1)
-#define SDR0_SRST_UART1		PPC_REG_VAL(5, 1)
-#define SDR0_SRST_IIC0		PPC_REG_VAL(6, 1)
-#define SDR0_SRST_BGI		PPC_REG_VAL(7, 1)
-#define SDR0_SRST_GPIO		PPC_REG_VAL(8, 1)
-#define SDR0_SRST_GPT		PPC_REG_VAL(9, 1)
-#define SDR0_SRST_DMC		PPC_REG_VAL(10, 1)
-#define SDR0_SRST_RGMII		PPC_REG_VAL(11, 1)
-#define SDR0_SRST_EMAC0		PPC_REG_VAL(12, 1)
-#define SDR0_SRST_EMAC1		PPC_REG_VAL(13, 1)
-#define SDR0_SRST_CPM		PPC_REG_VAL(14, 1)
-#define SDR0_SRST_EPLL		PPC_REG_VAL(15, 1)
-#define SDR0_SRST_UIC		PPC_REG_VAL(16, 1)
-#define SDR0_SRST_UPRST		PPC_REG_VAL(17, 1)
-#define SDR0_SRST_IIC1		PPC_REG_VAL(18, 1)
-#define SDR0_SRST_SCP		PPC_REG_VAL(19, 1)
-#define SDR0_SRST_UHRST		PPC_REG_VAL(20, 1)
-#define SDR0_SRST_DMA		PPC_REG_VAL(21, 1)
-#define SDR0_SRST_DMAC		PPC_REG_VAL(22, 1)
-#define SDR0_SRST_MAL		PPC_REG_VAL(23, 1)
-#define SDR0_SRST_EBM		PPC_REG_VAL(24, 1)
-#define SDR0_SRST_GPTR		PPC_REG_VAL(25, 1)
-#define SDR0_SRST_PE0		PPC_REG_VAL(26, 1)
-#define SDR0_SRST_PE1		PPC_REG_VAL(27, 1)
-#define SDR0_SRST_CRYP		PPC_REG_VAL(28, 1)
-#define SDR0_SRST_PKP		PPC_REG_VAL(29, 1)
-#define SDR0_SRST_AHB		PPC_REG_VAL(30, 1)
-#define SDR0_SRST_NDFC		PPC_REG_VAL(31, 1)
-
-#define SDR0_UART0		0x0120	/* UART0 Config */
-#define SDR0_UART1		0x0121	/* UART1 Config */
-#define SDR0_MFR		0x4300	/* SDR0_MFR reg */
-
-/* Defines for CPC0_EPRCSR register */
-#define CPC0_EPRCSR_E0NFE	0x80000000
-#define CPC0_EPRCSR_E1NFE	0x40000000
-#define CPC0_EPRCSR_E1RPP	0x00000080
-#define CPC0_EPRCSR_E0RPP	0x00000040
-#define CPC0_EPRCSR_E1ERP	0x00000020
-#define CPC0_EPRCSR_E0ERP	0x00000010
-#define CPC0_EPRCSR_E1PCI	0x00000002
-#define CPC0_EPRCSR_E0PCI	0x00000001
-
-#define CPR0_CLKUPD	0x020
-#define CPR0_PLLC	0x040
-#define CPR0_PLLD	0x060
-#define CPR0_CPUD	0x080
-#define CPR0_PLBD	0x0a0
-#define CPR0_OPBD0	0x0c0
-#define CPR0_PERD	0x0e0
-
-#define SDR0_PINSTP	0x0040
-#define SDR0_SDCS0	0x0060
-
-#define SDR0_SDCS_SDD			(0x80000000 >> 31)
-
-/* CUST0 Customer Configuration Register0 */
-#define SDR0_CUST0		     0x4000
-#define SDR0_CUST0_MUX_E_N_G_MASK	0xC0000000 /* Mux_Emac_NDFC_GPIO */
-#define SDR0_CUST0_MUX_EMAC_SEL		0x40000000 /* Emac Selection */
-#define SDR0_CUST0_MUX_NDFC_SEL		0x80000000 /* NDFC Selection */
-#define SDR0_CUST0_MUX_GPIO_SEL		0xC0000000 /* GPIO Selection */
-
-#define SDR0_CUST0_NDFC_EN_MASK		0x20000000 /* NDFC Enable Mask */
-#define SDR0_CUST0_NDFC_ENABLE		0x20000000 /* NDFC Enable */
-#define SDR0_CUST0_NDFC_DISABLE		0x00000000 /* NDFC Disable */
-
-#define SDR0_CUST0_NDFC_BW_MASK	  	0x10000000 /* NDFC Boot Width */
-#define SDR0_CUST0_NDFC_BW_16_BIT 	0x10000000 /* NDFC Boot Width= 16 Bit */
-#define SDR0_CUST0_NDFC_BW_8_BIT  	0x00000000 /* NDFC Boot Width=  8 Bit */
-
-#define SDR0_CUST0_NDFC_BP_MASK		0x0F000000 /* NDFC Boot Page */
-#define SDR0_CUST0_NDFC_BP_ENCODE(n)	((((unsigned long)(n))&0xF)<<24)
-#define SDR0_CUST0_NDFC_BP_DECODE(n)	((((unsigned long)(n))>>24)&0x0F)
-
-#define SDR0_CUST0_NDFC_BAC_MASK	0x00C00000 /* NDFC Boot Address Cycle */
-#define SDR0_CUST0_NDFC_BAC_ENCODE(n)	((((unsigned long)(n))&0x3)<<22)
-#define SDR0_CUST0_NDFC_BAC_DECODE(n)	((((unsigned long)(n))>>22)&0x03)
-
-#define SDR0_CUST0_NDFC_ARE_MASK	0x00200000 /* NDFC Auto Read Enable */
-#define SDR0_CUST0_NDFC_ARE_ENABLE	0x00200000 /* NDFC Auto Read Enable */
-#define SDR0_CUST0_NDFC_ARE_DISABLE	0x00000000 /* NDFC Auto Read Disable */
-
-#define SDR0_CUST0_NRB_MASK		0x00100000 /* NDFC Ready / Busy */
-#define SDR0_CUST0_NRB_BUSY		0x00100000 /* Busy */
-#define SDR0_CUST0_NRB_READY		0x00000000 /* Ready */
-
-#define SDR0_CUST0_NDRSC_MASK	0x0000FFF0 /* NDFC Device Reset Count Mask */
-#define SDR0_CUST0_NDRSC_ENCODE(n)	((((unsigned long)(n))&0xFFF)<<4)
-#define SDR0_CUST0_NDRSC_DECODE(n)	((((unsigned long)(n))>>4)&0xFFF)
-
-#define SDR0_CUST0_CHIPSELGAT_MASK	0x0000000F /* Chip Sel Gating Mask */
-#define SDR0_CUST0_CHIPSELGAT_DIS	0x00000000 /* Chip Sel Gating Disable */
-#define SDR0_CUST0_CHIPSELGAT_ENALL  0x0000000F /* All Chip Sel Gating Enable */
-#define SDR0_CUST0_CHIPSELGAT_EN0	0x00000008 /* Chip Sel0 Gating Enable */
-#define SDR0_CUST0_CHIPSELGAT_EN1	0x00000004 /* Chip Sel1 Gating Enable */
-#define SDR0_CUST0_CHIPSELGAT_EN2	0x00000002 /* Chip Sel2 Gating Enable */
-#define SDR0_CUST0_CHIPSELGAT_EN3	0x00000001 /* Chip Sel3 Gating Enable */
-
-#define SDR0_PFC0		0x4100
-#define SDR0_PFC1		0x4101
-#define SDR0_PFC1_U1ME		0x02000000
-#define SDR0_PFC1_U0ME		0x00080000
-#define SDR0_PFC1_U0IM		0x00040000
-#define SDR0_PFC1_SIS		0x00020000
-#define SDR0_PFC1_DMAAEN	0x00010000
-#define SDR0_PFC1_DMADEN	0x00008000
-#define SDR0_PFC1_USBEN		0x00004000
-#define SDR0_PFC1_AHBSWAP	0x00000020
-#define SDR0_PFC1_USBBIGEN	0x00000010
-#define SDR0_PFC1_GPT_FREQ	0x0000000f
-#endif
+#define DMA_DCR_BASE	0x0100
+#define DMACR0		(DMA_DCR_BASE + 0x00)  /* DMA channel control reg 0	*/
+#define DMACT0		(DMA_DCR_BASE + 0x01)  /* DMA count reg 0		*/
+#define DMADA0		(DMA_DCR_BASE + 0x02)  /* DMA destination address reg 0 */
+#define DMASA0		(DMA_DCR_BASE + 0x03)  /* DMA source address reg 0	*/
+#define DMASB0		(DMA_DCR_BASE + 0x04)  /* DMA sg descriptor addr 0	*/
+#define DMACR1		(DMA_DCR_BASE + 0x08)  /* DMA channel control reg 1	*/
+#define DMACT1		(DMA_DCR_BASE + 0x09)  /* DMA count reg 1		*/
+#define DMADA1		(DMA_DCR_BASE + 0x0a)  /* DMA destination address reg 1 */
+#define DMASA1		(DMA_DCR_BASE + 0x0b)  /* DMA source address reg 1	*/
+#define DMASB1		(DMA_DCR_BASE + 0x0c)  /* DMA sg descriptor addr 1	*/
+#define DMACR2		(DMA_DCR_BASE + 0x10)  /* DMA channel control reg 2	*/
+#define DMACT2		(DMA_DCR_BASE + 0x11)  /* DMA count reg 2		*/
+#define DMADA2		(DMA_DCR_BASE + 0x12)  /* DMA destination address reg 2 */
+#define DMASA2		(DMA_DCR_BASE + 0x13)  /* DMA source address reg 2	*/
+#define DMASB2		(DMA_DCR_BASE + 0x14)  /* DMA sg descriptor addr 2	*/
+#define DMACR3		(DMA_DCR_BASE + 0x18)  /* DMA channel control reg 3	*/
+#define DMACT3		(DMA_DCR_BASE + 0x19)  /* DMA count reg 3		*/
+#define DMADA3		(DMA_DCR_BASE + 0x1a)  /* DMA destination address reg 3 */
+#define DMASA3		(DMA_DCR_BASE + 0x1b)  /* DMA source address reg 3	*/
+#define DMASB3		(DMA_DCR_BASE + 0x1c)  /* DMA sg descriptor addr 3	*/
+#define DMASR		(DMA_DCR_BASE + 0x20)  /* DMA status reg		*/
+#define DMASGC		(DMA_DCR_BASE + 0x23)  /* DMA scatter/gather command reg*/
+#define DMAADR		(DMA_DCR_BASE + 0x24)  /* DMA address decode reg	*/
 
 #endif	/* __PPC405_H__ */
diff --git a/arch/powerpc/include/asm/ppc405cr.h b/arch/powerpc/include/asm/ppc405cr.h
index 53a6ce8..176c427 100644
--- a/arch/powerpc/include/asm/ppc405cr.h
+++ b/arch/powerpc/include/asm/ppc405cr.h
@@ -23,4 +23,78 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_SDRAM	/* IBM SDRAM controller */
 
+/* Memory mapped register */
+#define GPIO0_BASE	0xef600700
+
+/* DCR's */
+#define DCP0_CFGADDR	0x0014		/* Decompression controller addr reg */
+#define DCP0_CFGDATA	0x0015		/* Decompression controller data reg */
+#define OCM0_ISCNTL	0x0019	/* OCM I-side control reg */
+#define OCM0_DSARC	0x001a	/* OCM D-side address compare */
+#define OCM0_DSCNTL	0x001b	/* OCM D-side control */
+#define CPC0_PLLMR	0x00b0		/* PLL mode  register */
+#define CPC0_CR0	0x00b1		/* chip control register 0 */
+#define CPC0_CR1	0x00b2		/* chip control register 1 */
+#define CPC0_PSR	0x00b4		/* chip pin strapping reg */
+#define CPC0_EIRR	0x00b6		/* ext interrupt routing reg */
+#define CPC0_SR		0x00b8		/* Power management status */
+#define CPC0_ER		0x00b9		/* Power management enable */
+#define CPC0_FR		0x00ba		/* Power management force */
+#define CPC0_ECR	0x00aa		/* edge conditioner register */
+
+#define PLLMR_FWD_DIV_MASK	0xE0000000	/* Forward Divisor */
+#define PLLMR_FWD_DIV_BYPASS	0xE0000000
+#define PLLMR_FWD_DIV_3		0xA0000000
+#define PLLMR_FWD_DIV_4		0x80000000
+#define PLLMR_FWD_DIV_6		0x40000000
+
+#define PLLMR_FB_DIV_MASK	0x1E000000	/* Feedback Divisor */
+#define PLLMR_FB_DIV_1		0x02000000
+#define PLLMR_FB_DIV_2		0x04000000
+#define PLLMR_FB_DIV_3		0x06000000
+#define PLLMR_FB_DIV_4		0x08000000
+
+#define PLLMR_TUNING_MASK	0x01F80000
+
+#define PLLMR_CPU_TO_PLB_MASK	0x00060000	/* CPU:PLB Frequency Divisor */
+#define PLLMR_CPU_PLB_DIV_1	0x00000000
+#define PLLMR_CPU_PLB_DIV_2	0x00020000
+#define PLLMR_CPU_PLB_DIV_3	0x00040000
+#define PLLMR_CPU_PLB_DIV_4	0x00060000
+
+#define PLLMR_OPB_TO_PLB_MASK	0x00018000	/* OPB:PLB Frequency Divisor */
+#define PLLMR_OPB_PLB_DIV_1	0x00000000
+#define PLLMR_OPB_PLB_DIV_2	0x00008000
+#define PLLMR_OPB_PLB_DIV_3	0x00010000
+#define PLLMR_OPB_PLB_DIV_4	0x00018000
+
+#define PLLMR_PCI_TO_PLB_MASK	0x00006000	/* PCI:PLB Frequency Divisor */
+#define PLLMR_PCI_PLB_DIV_1	0x00000000
+#define PLLMR_PCI_PLB_DIV_2	0x00002000
+#define PLLMR_PCI_PLB_DIV_3	0x00004000
+#define PLLMR_PCI_PLB_DIV_4	0x00006000
+
+#define PLLMR_EXB_TO_PLB_MASK	0x00001800	/* External Bus:PLB Divisor */
+#define PLLMR_EXB_PLB_DIV_2	0x00000000
+#define PLLMR_EXB_PLB_DIV_3	0x00000800
+#define PLLMR_EXB_PLB_DIV_4	0x00001000
+#define PLLMR_EXB_PLB_DIV_5	0x00001800
+
+/* definitions for PPC405GPr (new mode strapping) */
+#define PLLMR_FWDB_DIV_MASK	0x00000007	/* Forward Divisor B */
+
+#define PSR_PLL_FWD_MASK	0xC0000000
+#define PSR_PLL_FDBACK_MASK	0x30000000
+#define PSR_PLL_TUNING_MASK	0x0E000000
+#define PSR_PLB_CPU_MASK	0x01800000
+#define PSR_OPB_PLB_MASK	0x00600000
+#define PSR_PCI_PLB_MASK	0x00180000
+#define PSR_EB_PLB_MASK		0x00060000
+#define PSR_ROM_WIDTH_MASK	0x00018000
+#define PSR_ROM_LOC		0x00004000
+#define PSR_PCI_ASYNC_EN	0x00001000
+#define PSR_PERCLK_SYNC_MODE_EN 0x00000800	/* PPC405GPr only */
+#define PSR_PCI_ARBIT_EN	0x00000400
+#define PSR_NEW_MODE_EN		0x00000020	/* PPC405GPr only */
+
 #endif /* _PPC405CR_H_ */
diff --git a/arch/powerpc/include/asm/ppc405ep.h b/arch/powerpc/include/asm/ppc405ep.h
index 38b1205..e0b6a85 100644
--- a/arch/powerpc/include/asm/ppc405ep.h
+++ b/arch/powerpc/include/asm/ppc405ep.h
@@ -23,4 +23,225 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_SDRAM	/* IBM SDRAM controller */
 
+/* Memory mapped register */
+#define GPIO0_BASE	0xef600700
+
+/* DCR */
+#define OCM0_ISCNTL	0x0019	/* OCM I-side control reg */
+#define OCM0_DSARC	0x001a	/* OCM D-side address compare */
+#define OCM0_DSCNTL	0x001b	/* OCM D-side control */
+#define CPC0_PLLMR0	0x00f0	/* PLL mode  register 0	*/
+#define CPC0_BOOT	0x00f1	/* Clock status register	*/
+#define CPC0_CR1	0x00f2	/* Chip Control 1 register */
+#define CPC0_EPCTL	0x00f3	/* EMAC to PHY control register */
+#define CPC0_PLLMR1	0x00f4	/* PLL mode  register 1	*/
+#define CPC0_UCR	0x00f5	/* UART control register	*/
+#define CPC0_SRR	0x00f6	/* Soft Reset register */
+#define CPC0_PCI	0x00f9	/* PCI control register	*/
+
+/* Defines for CPC0_EPCTL register */
+#define CPC0_EPCTL_E0NFE	0x80000000
+#define CPC0_EPCTL_E1NFE	0x40000000
+
+/* Defines for CPC0_PCI Register */
+#define CPC0_PCI_SPE		0x00000010	/* PCIINT/WE select	 */
+#define CPC0_PCI_HOST_CFG_EN	0x00000008	/* PCI host config Enable */
+#define CPC0_PCI_ARBIT_EN	0x00000001	/* PCI Internal Arb Enabled */
+
+/* Defines for CPC0_BOOR Register */
+#define CPC0_BOOT_SEP		0x00000002	/* serial EEPROM present */
+
+/* Bit definitions */
+#define PLLMR0_CPU_DIV_MASK	0x00300000	/* CPU clock divider */
+#define PLLMR0_CPU_DIV_BYPASS	0x00000000
+#define PLLMR0_CPU_DIV_2	0x00100000
+#define PLLMR0_CPU_DIV_3	0x00200000
+#define PLLMR0_CPU_DIV_4	0x00300000
+
+#define PLLMR0_CPU_TO_PLB_MASK	0x00030000	/* CPU:PLB Frequency Divisor */
+#define PLLMR0_CPU_PLB_DIV_1	0x00000000
+#define PLLMR0_CPU_PLB_DIV_2	0x00010000
+#define PLLMR0_CPU_PLB_DIV_3	0x00020000
+#define PLLMR0_CPU_PLB_DIV_4	0x00030000
+
+#define PLLMR0_OPB_TO_PLB_MASK	0x00003000	/* OPB:PLB Frequency Divisor */
+#define PLLMR0_OPB_PLB_DIV_1	0x00000000
+#define PLLMR0_OPB_PLB_DIV_2	0x00001000
+#define PLLMR0_OPB_PLB_DIV_3	0x00002000
+#define PLLMR0_OPB_PLB_DIV_4	0x00003000
+
+#define PLLMR0_EXB_TO_PLB_MASK	0x00000300	/* External Bus:PLB Divisor */
+#define PLLMR0_EXB_PLB_DIV_2	0x00000000
+#define PLLMR0_EXB_PLB_DIV_3	0x00000100
+#define PLLMR0_EXB_PLB_DIV_4	0x00000200
+#define PLLMR0_EXB_PLB_DIV_5	0x00000300
+
+#define PLLMR0_MAL_TO_PLB_MASK	0x00000030	/* MAL:PLB Divisor */
+#define PLLMR0_MAL_PLB_DIV_1	0x00000000
+#define PLLMR0_MAL_PLB_DIV_2	0x00000010
+#define PLLMR0_MAL_PLB_DIV_3	0x00000020
+#define PLLMR0_MAL_PLB_DIV_4	0x00000030
+
+#define PLLMR0_PCI_TO_PLB_MASK	0x00000003	/* PCI:PLB Frequency Divisor */
+#define PLLMR0_PCI_PLB_DIV_1	0x00000000
+#define PLLMR0_PCI_PLB_DIV_2	0x00000001
+#define PLLMR0_PCI_PLB_DIV_3	0x00000002
+#define PLLMR0_PCI_PLB_DIV_4	0x00000003
+
+#define PLLMR1_SSCS_MASK	0x80000000	/* Select system clock source */
+#define PLLMR1_PLLR_MASK	0x40000000	/* PLL reset */
+#define PLLMR1_FBMUL_MASK	0x00F00000	/* PLL feedback multiplier value */
+
+#define PLLMR1_FWDVA_MASK	0x00070000	/* PLL forward divider A value */
+#define PLLMR1_FWDVB_MASK	0x00007000	/* PLL forward divider B value */
+#define PLLMR1_TUNING_MASK	0x000003FF	/* PLL tune bits */
+
+/* Defines for CPC0_PLLMR1 Register fields */
+#define PLL_ACTIVE		0x80000000
+#define CPC0_PLLMR1_SSCS	0x80000000
+#define PLL_RESET		0x40000000
+#define CPC0_PLLMR1_PLLR	0x40000000
+/* Feedback multiplier */
+#define PLL_FBKDIV		0x00F00000
+#define CPC0_PLLMR1_FBDV	0x00F00000
+#define PLL_FBKDIV_16		0x00000000
+#define PLL_FBKDIV_1		0x00100000
+#define PLL_FBKDIV_2		0x00200000
+#define PLL_FBKDIV_3		0x00300000
+#define PLL_FBKDIV_4		0x00400000
+#define PLL_FBKDIV_5		0x00500000
+#define PLL_FBKDIV_6		0x00600000
+#define PLL_FBKDIV_7		0x00700000
+#define PLL_FBKDIV_8		0x00800000
+#define PLL_FBKDIV_9		0x00900000
+#define PLL_FBKDIV_10		0x00A00000
+#define PLL_FBKDIV_11		0x00B00000
+#define PLL_FBKDIV_12		0x00C00000
+#define PLL_FBKDIV_13		0x00D00000
+#define PLL_FBKDIV_14		0x00E00000
+#define PLL_FBKDIV_15		0x00F00000
+/* Forward A divisor */
+#define PLL_FWDDIVA		0x00070000
+#define CPC0_PLLMR1_FWDVA	0x00070000
+#define PLL_FWDDIVA_8		0x00000000
+#define PLL_FWDDIVA_7		0x00010000
+#define PLL_FWDDIVA_6		0x00020000
+#define PLL_FWDDIVA_5		0x00030000
+#define PLL_FWDDIVA_4		0x00040000
+#define PLL_FWDDIVA_3		0x00050000
+#define PLL_FWDDIVA_2		0x00060000
+#define PLL_FWDDIVA_1		0x00070000
+/* Forward B divisor */
+#define PLL_FWDDIVB		0x00007000
+#define CPC0_PLLMR1_FWDVB	0x00007000
+#define PLL_FWDDIVB_8		0x00000000
+#define PLL_FWDDIVB_7		0x00001000
+#define PLL_FWDDIVB_6		0x00002000
+#define PLL_FWDDIVB_5		0x00003000
+#define PLL_FWDDIVB_4		0x00004000
+#define PLL_FWDDIVB_3		0x00005000
+#define PLL_FWDDIVB_2		0x00006000
+#define PLL_FWDDIVB_1		0x00007000
+/* PLL tune bits */
+#define PLL_TUNE_MASK		0x000003FF
+#define PLL_TUNE_2_M_3		0x00000133	/*  2 <= M <= 3 */
+#define PLL_TUNE_4_M_6		0x00000134	/*  3 <  M <= 6 */
+#define PLL_TUNE_7_M_10		0x00000138	/*  6 <  M <= 10 */
+#define PLL_TUNE_11_M_14	0x0000013C	/* 10 <  M <= 14 */
+#define PLL_TUNE_15_M_40	0x0000023E	/* 14 <  M <= 40 */
+#define PLL_TUNE_VCO_LOW	0x00000000	/* 500MHz <= VCO <=  800MHz */
+#define PLL_TUNE_VCO_HI		0x00000080	/* 800MHz <  VCO <= 1000MHz */
+
+/* Defines for CPC0_PLLMR0 Register fields */
+/* CPU divisor */
+#define PLL_CPUDIV		0x00300000
+#define CPC0_PLLMR0_CCDV	0x00300000
+#define PLL_CPUDIV_1		0x00000000
+#define PLL_CPUDIV_2		0x00100000
+#define PLL_CPUDIV_3		0x00200000
+#define PLL_CPUDIV_4		0x00300000
+/* PLB divisor */
+#define PLL_PLBDIV		0x00030000
+#define CPC0_PLLMR0_CBDV	0x00030000
+#define PLL_PLBDIV_1		0x00000000
+#define PLL_PLBDIV_2		0x00010000
+#define PLL_PLBDIV_3		0x00020000
+#define PLL_PLBDIV_4		0x00030000
+/* OPB divisor */
+#define PLL_OPBDIV		0x00003000
+#define CPC0_PLLMR0_OPDV	0x00003000
+#define PLL_OPBDIV_1		0x00000000
+#define PLL_OPBDIV_2		0x00001000
+#define PLL_OPBDIV_3		0x00002000
+#define PLL_OPBDIV_4		0x00003000
+/* EBC divisor */
+#define PLL_EXTBUSDIV		0x00000300
+#define CPC0_PLLMR0_EPDV	0x00000300
+#define PLL_EXTBUSDIV_2		0x00000000
+#define PLL_EXTBUSDIV_3		0x00000100
+#define PLL_EXTBUSDIV_4		0x00000200
+#define PLL_EXTBUSDIV_5		0x00000300
+/* MAL divisor */
+#define PLL_MALDIV		0x00000030
+#define CPC0_PLLMR0_MPDV	0x00000030
+#define PLL_MALDIV_1		0x00000000
+#define PLL_MALDIV_2		0x00000010
+#define PLL_MALDIV_3		0x00000020
+#define PLL_MALDIV_4		0x00000030
+/* PCI divisor */
+#define PLL_PCIDIV		0x00000003
+#define CPC0_PLLMR0_PPFD	0x00000003
+#define PLL_PCIDIV_1		0x00000000
+#define PLL_PCIDIV_2		0x00000001
+#define PLL_PCIDIV_3		0x00000002
+#define PLL_PCIDIV_4		0x00000003
+
+/*
+ * PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
+ * assuming a 33.3MHz input clock to the 405EP.
+ */
+#define PLLMR0_266_133_66	(PLL_CPUDIV_1 | PLL_PLBDIV_2 |     \
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |  \
+				 PLL_MALDIV_1 | PLL_PCIDIV_4)
+#define PLLMR1_266_133_66	(PLL_FBKDIV_8  |			\
+				 PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+
+#define PLLMR0_133_66_66_33	(PLL_CPUDIV_1 | PLL_PLBDIV_1 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_4)
+#define PLLMR1_133_66_66_33	(PLL_FBKDIV_4  |			\
+				 PLL_FWDDIVA_6 | PLL_FWDDIVB_6 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+#define PLLMR0_200_100_50_33	(PLL_CPUDIV_1 | PLL_PLBDIV_2 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_3 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_4)
+#define PLLMR1_200_100_50_33	(PLL_FBKDIV_6  |			\
+				 PLL_FWDDIVA_4 | PLL_FWDDIVB_4 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+#define PLLMR0_266_133_66_33	(PLL_CPUDIV_1 | PLL_PLBDIV_2 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_4 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_4)
+#define PLLMR1_266_133_66_33	(PLL_FBKDIV_8  |			\
+				 PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+#define PLLMR0_266_66_33_33	(PLL_CPUDIV_1 | PLL_PLBDIV_4 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_2)
+#define PLLMR1_266_66_33_33	(PLL_FBKDIV_8  |			\
+				 PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_LOW)
+#define PLLMR0_333_111_55_37	(PLL_CPUDIV_1 | PLL_PLBDIV_3 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_3)
+#define PLLMR1_333_111_55_37	(PLL_FBKDIV_10  |			\
+				 PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
+#define PLLMR0_333_111_55_111	(PLL_CPUDIV_1 | PLL_PLBDIV_3 |		\
+				 PLL_OPBDIV_2 | PLL_EXTBUSDIV_2 |	\
+				 PLL_MALDIV_1 | PLL_PCIDIV_1)
+#define PLLMR1_333_111_55_111	(PLL_FBKDIV_10  |			\
+				 PLL_FWDDIVA_3 | PLL_FWDDIVB_3 |	\
+				 PLL_TUNE_15_M_40 | PLL_TUNE_VCO_HI)
+
 #endif /* _PPC405EP_H_ */
diff --git a/arch/powerpc/include/asm/ppc405ex.h b/arch/powerpc/include/asm/ppc405ex.h
index f2c860a..880d53a 100644
--- a/arch/powerpc/include/asm/ppc405ex.h
+++ b/arch/powerpc/include/asm/ppc405ex.h
@@ -25,6 +25,61 @@
 
 #define CONFIG_NAND_NDFC
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
+/* Memory mapped register */
+#define GPIO0_BASE		0xef600800
+
+/* SDR */
+#define SDR0_SDCS0		0x0060
+#define SDR0_UART0		0x0120	/* UART0 Config */
+#define SDR0_UART1		0x0121	/* UART1 Config */
+#define SDR0_SRST		0x0200
+#define SDR0_CUST0		0x4000
+#define SDR0_PFC0		0x4100
+#define SDR0_PFC1		0x4101
+#define SDR0_MFR		0x4300	/* SDR0_MFR reg */
+
+#define SDR0_SDCS_SDD		(0x80000000 >> 31)
+
+#define SDR0_SRST_DMC		(0x80000000 >> 10)
+
+#define SDR0_CUST0_MUX_E_N_G_MASK	0xC0000000 /* Mux_Emac_NDFC_GPIO */
+#define SDR0_CUST0_MUX_EMAC_SEL		0x40000000 /* Emac Selection */
+#define SDR0_CUST0_MUX_NDFC_SEL		0x80000000 /* NDFC Selection */
+#define SDR0_CUST0_MUX_GPIO_SEL		0xC0000000 /* GPIO Selection */
+
+#define SDR0_CUST0_NDFC_EN_MASK		0x20000000 /* NDFC Enable Mask */
+#define SDR0_CUST0_NDFC_ENABLE		0x20000000 /* NDFC Enable */
+#define SDR0_CUST0_NDFC_DISABLE		0x00000000 /* NDFC Disable */
+
+#define SDR0_CUST0_NDFC_BW_MASK	  	0x10000000 /* NDFC Boot Width */
+#define SDR0_CUST0_NDFC_BW_16_BIT 	0x10000000 /* NDFC Boot Width= 16 Bit */
+#define SDR0_CUST0_NDFC_BW_8_BIT  	0x00000000 /* NDFC Boot Width=  8 Bit */
+
+#define SDR0_CUST0_NDFC_BP_MASK		0x0F000000 /* NDFC Boot Page */
+#define SDR0_CUST0_NDFC_BP_ENCODE(n)	((((u32)(n)) & 0xF) << 24)
+#define SDR0_CUST0_NDFC_BP_DECODE(n)	((((u32)(n)) >> 24) & 0xF)
+
+#define SDR0_CUST0_NDFC_BAC_MASK	0x00C00000 /* NDFC Boot Address Cycle */
+#define SDR0_CUST0_NDFC_BAC_ENCODE(n)	((((u32)(n)) & 0x3) << 22)
+#define SDR0_CUST0_NDFC_BAC_DECODE(n)	((((u32)(n)) >> 22) & 0x3)
+
+#define SDR0_CUST0_NDFC_ARE_MASK	0x00200000 /* NDFC Auto Read Enable */
+#define SDR0_CUST0_NDFC_ARE_ENABLE	0x00200000 /* NDFC Auto Read Enable */
+#define SDR0_CUST0_NDFC_ARE_DISABLE	0x00000000 /* NDFC Auto Read Disable */
+
+#define SDR0_CUST0_NRB_MASK		0x00100000 /* NDFC Ready / Busy */
+#define SDR0_CUST0_NRB_BUSY		0x00100000 /* Busy */
+#define SDR0_CUST0_NRB_READY		0x00000000 /* Ready */
+
+#define SDR0_PFC1_U1ME			0x02000000
+#define SDR0_PFC1_U0ME			0x00080000
+#define SDR0_PFC1_U0IM			0x00040000
+#define SDR0_PFC1_SIS			0x00020000
+#define SDR0_PFC1_DMAAEN		0x00010000
+#define SDR0_PFC1_DMADEN		0x00008000
+#define SDR0_PFC1_USBEN			0x00004000
+#define SDR0_PFC1_AHBSWAP		0x00000020
+#define SDR0_PFC1_USBBIGEN		0x00000010
+#define SDR0_PFC1_GPT_FREQ		0x0000000f
 
 #endif /* _PPC405EX_H_ */
diff --git a/arch/powerpc/include/asm/ppc405ez.h b/arch/powerpc/include/asm/ppc405ez.h
index 69baa20..9192c62 100644
--- a/arch/powerpc/include/asm/ppc405ez.h
+++ b/arch/powerpc/include/asm/ppc405ez.h
@@ -23,6 +23,75 @@
 
 #define CONFIG_NAND_NDFC
 
+/* Memory mapped register */
+#define GPIO0_BASE	0xef600700
+#define GPIO1_BASE	0xef600800
+
+/* DCR register */
+#define OCM0_PLBCR1	0x0020	/* OCM PLB3 Bank 1 Config */
+#define OCM0_PLBCR2	0x0021	/* OCM PLB3 Bank 2 Config */
+#define OCM0_PLBBEAR	0x0022	/* OCM PLB3 Bus Error Add */
+#define OCM0_DSRC1	0x0028	/* OCM D-side Bank 1 Config */
+#define OCM0_DSRC2	0x0029	/* OCM D-side Bank 2 Config */
+#define OCM0_ISRC1	0x002A	/* OCM I-side Bank 1Config */
+#define OCM0_ISRC2	0x002B	/* OCM I-side Bank 2 Config */
+#define OCM0_DISDPC	0x002C	/* OCM D-/I-side Data Par Chk */
+
+/* SDR register */
+#define SDR0_NAND0	0x4000
+#define SDR0_ULTRA0	0x4040
+#define SDR0_ULTRA1	0x4050
+#define SDR0_ICINTSTAT	0x4510
+
+/* CPR register */
+#define CPR0_PRIMAD	0x0080
+#define CPR0_PERD0	0x00e0
+#define CPR0_PERD1	0x00e1
+#define CPR0_PERC0	0x0180
+
 #define	MAL_DCR_BASE	0x380
 
+#define SDR_NAND0_NDEN		0x80000000
+#define SDR_NAND0_NDBTEN	0x40000000
+#define SDR_NAND0_NDBADR_MASK	0x30000000
+#define SDR_NAND0_NDBPG_MASK	0x0f000000
+#define SDR_NAND0_NDAREN	0x00800000
+#define SDR_NAND0_NDRBEN	0x00400000
+
+#define SDR_ULTRA0_NDGPIOBP	0x80000000
+#define SDR_ULTRA0_CSN_MASK	0x78000000
+#define SDR_ULTRA0_CSNSEL0	0x40000000
+#define SDR_ULTRA0_CSNSEL1	0x20000000
+#define SDR_ULTRA0_CSNSEL2	0x10000000
+#define SDR_ULTRA0_CSNSEL3	0x08000000
+#define SDR_ULTRA0_EBCRDYEN	0x04000000
+#define SDR_ULTRA0_SPISSINEN	0x02000000
+#define SDR_ULTRA0_NFSRSTEN	0x01000000
+
+#define SDR_ULTRA1_LEDNENABLE	0x40000000
+
+#define SDR_ICRX_STAT		0x80000000
+#define SDR_ICTX0_STAT		0x40000000
+#define SDR_ICTX1_STAT		0x20000000
+
+#define CPR_CLKUPD_ENPLLCH_EN	0x40000000 /* Enable CPR PLL Changes */
+#define CPR_CLKUPD_ENDVCH_EN	0x20000000 /* Enable CPR Sys. Div. Changes */
+#define CPR_PERD0_SPIDV_MASK	0x000F0000 /* SPI Clock Divider */
+
+#define PLLC_SRC_MASK		0x20000000 /* PLL feedback source */
+
+#define PLLD_FBDV_MASK		0x1F000000 /* PLL feedback divider value */
+#define PLLD_FWDVA_MASK		0x000F0000 /* PLL forward divider A value */
+#define PLLD_FWDVB_MASK		0x00000700 /* PLL forward divider B value */
+
+#define PRIMAD_CPUDV_MASK	0x0F000000 /* CPU Clock Divisor Mask */
+#define PRIMAD_PLBDV_MASK	0x000F0000 /* PLB Clock Divisor Mask */
+#define PRIMAD_OPBDV_MASK	0x00000F00 /* OPB Clock Divisor Mask */
+#define PRIMAD_EBCDV_MASK	0x0000000F /* EBC Clock Divisor Mask */
+
+#define PERD0_PWMDV_MASK	0xFF000000 /* PWM Divider Mask */
+#define PERD0_SPIDV_MASK	0x000F0000 /* SPI Divider Mask */
+#define PERD0_U0DV_MASK		0x0000FF00 /* UART 0 Divider Mask */
+#define PERD0_U1DV_MASK		0x000000FF /* UART 1 Divider Mask */
+
 #endif /* _PPC405EZ_H_ */
diff --git a/arch/powerpc/include/asm/ppc405gp.h b/arch/powerpc/include/asm/ppc405gp.h
index 50e0a19..79f930b 100644
--- a/arch/powerpc/include/asm/ppc405gp.h
+++ b/arch/powerpc/include/asm/ppc405gp.h
@@ -23,4 +23,81 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_SDRAM	/* IBM SDRAM controller */
 
+/* Memory mapped register */
+#define GPIO0_BASE	0xef600700
+
+/* DCR's */
+#define DCP0_CFGADDR	0x0014		/* Decompression controller addr reg */
+#define DCP0_CFGDATA	0x0015		/* Decompression controller data reg */
+#define OCM0_ISCNTL	0x0019	/* OCM I-side control reg */
+#define OCM0_DSARC	0x001a	/* OCM D-side address compare */
+#define OCM0_DSCNTL	0x001b	/* OCM D-side control */
+#define CPC0_PLLMR	0x00b0		/* PLL mode  register */
+#define CPC0_CR0	0x00b1		/* chip control register 0 */
+#define CPC0_CR1	0x00b2		/* chip control register 1 */
+#define CPC0_PSR	0x00b4		/* chip pin strapping reg */
+#define CPC0_EIRR	0x00b6		/* ext interrupt routing reg */
+#define CPC0_SR		0x00b8		/* Power management status */
+#define CPC0_ER		0x00b9		/* Power management enable */
+#define CPC0_FR		0x00ba		/* Power management force */
+#define CPC0_ECR	0x00aa		/* edge conditioner register */
+
+/* values for kiar register - indirect addressing of these regs */
+#define KCONF		0x40		/* decompression core config register */
+
+#define PLLMR_FWD_DIV_MASK	0xE0000000	/* Forward Divisor */
+#define PLLMR_FWD_DIV_BYPASS	0xE0000000
+#define PLLMR_FWD_DIV_3		0xA0000000
+#define PLLMR_FWD_DIV_4		0x80000000
+#define PLLMR_FWD_DIV_6		0x40000000
+
+#define PLLMR_FB_DIV_MASK	0x1E000000	/* Feedback Divisor */
+#define PLLMR_FB_DIV_1		0x02000000
+#define PLLMR_FB_DIV_2		0x04000000
+#define PLLMR_FB_DIV_3		0x06000000
+#define PLLMR_FB_DIV_4		0x08000000
+
+#define PLLMR_TUNING_MASK	0x01F80000
+
+#define PLLMR_CPU_TO_PLB_MASK	0x00060000	/* CPU:PLB Frequency Divisor */
+#define PLLMR_CPU_PLB_DIV_1	0x00000000
+#define PLLMR_CPU_PLB_DIV_2	0x00020000
+#define PLLMR_CPU_PLB_DIV_3	0x00040000
+#define PLLMR_CPU_PLB_DIV_4	0x00060000
+
+#define PLLMR_OPB_TO_PLB_MASK	0x00018000	/* OPB:PLB Frequency Divisor */
+#define PLLMR_OPB_PLB_DIV_1	0x00000000
+#define PLLMR_OPB_PLB_DIV_2	0x00008000
+#define PLLMR_OPB_PLB_DIV_3	0x00010000
+#define PLLMR_OPB_PLB_DIV_4	0x00018000
+
+#define PLLMR_PCI_TO_PLB_MASK	0x00006000	/* PCI:PLB Frequency Divisor */
+#define PLLMR_PCI_PLB_DIV_1	0x00000000
+#define PLLMR_PCI_PLB_DIV_2	0x00002000
+#define PLLMR_PCI_PLB_DIV_3	0x00004000
+#define PLLMR_PCI_PLB_DIV_4	0x00006000
+
+#define PLLMR_EXB_TO_PLB_MASK	0x00001800	/* External Bus:PLB Divisor */
+#define PLLMR_EXB_PLB_DIV_2	0x00000000
+#define PLLMR_EXB_PLB_DIV_3	0x00000800
+#define PLLMR_EXB_PLB_DIV_4	0x00001000
+#define PLLMR_EXB_PLB_DIV_5	0x00001800
+
+/* definitions for PPC405GPr (new mode strapping) */
+#define PLLMR_FWDB_DIV_MASK	0x00000007	/* Forward Divisor B */
+
+#define PSR_PLL_FWD_MASK	0xC0000000
+#define PSR_PLL_FDBACK_MASK	0x30000000
+#define PSR_PLL_TUNING_MASK	0x0E000000
+#define PSR_PLB_CPU_MASK	0x01800000
+#define PSR_OPB_PLB_MASK	0x00600000
+#define PSR_PCI_PLB_MASK	0x00180000
+#define PSR_EB_PLB_MASK		0x00060000
+#define PSR_ROM_WIDTH_MASK	0x00018000
+#define PSR_ROM_LOC		0x00004000
+#define PSR_PCI_ASYNC_EN	0x00001000
+#define PSR_PERCLK_SYNC_MODE_EN 0x00000800	/* PPC405GPr only */
+#define PSR_PCI_ARBIT_EN	0x00000400
+#define PSR_NEW_MODE_EN		0x00000020	/* PPC405GPr only */
+
 #endif /* _PPC405GP_H_ */
diff --git a/arch/powerpc/include/asm/ppc440.h b/arch/powerpc/include/asm/ppc440.h
index 766ea2a..0da6618 100644
--- a/arch/powerpc/include/asm/ppc440.h
+++ b/arch/powerpc/include/asm/ppc440.h
@@ -130,30 +130,6 @@
 #define CCR0_DAPUIB		0x00100000
 #define CCR0_DTB		0x00008000
 
-/*
- * External Bus Controller
- */
-/* Values for EBC0_CFGADDR register - indirect addressing of these regs */
-#define PB0CR		0x00	/* periph bank 0 config reg		*/
-#define PB1CR		0x01	/* periph bank 1 config reg		*/
-#define PB2CR		0x02	/* periph bank 2 config reg		*/
-#define PB3CR		0x03	/* periph bank 3 config reg		*/
-#define PB4CR		0x04	/* periph bank 4 config reg		*/
-#define PB5CR		0x05	/* periph bank 5 config reg		*/
-#define PB6CR		0x06	/* periph bank 6 config reg		*/
-#define PB7CR		0x07	/* periph bank 7 config reg		*/
-#define PB0AP		0x10	/* periph bank 0 access parameters	*/
-#define PB1AP		0x11	/* periph bank 1 access parameters	*/
-#define PB2AP		0x12	/* periph bank 2 access parameters	*/
-#define PB3AP		0x13	/* periph bank 3 access parameters	*/
-#define PB4AP		0x14	/* periph bank 4 access parameters	*/
-#define PB5AP		0x15	/* periph bank 5 access parameters	*/
-#define PB6AP		0x16	/* periph bank 6 access parameters	*/
-#define PB7AP		0x17	/* periph bank 7 access parameters	*/
-#define PBEAR		0x20	/* periph bus error addr reg		*/
-#define PBESR		0x21	/* periph bus error status reg		*/
-#define EBC0_CFG	0x23	/* external bus configuration reg	*/
-
 #define SDR0_SDCS_SDD		(0x80000000 >> 31)
 
 /* todo: move this code from macro offsets to struct */
@@ -211,44 +187,4 @@
 
 #define PCIL0_STS		(PCIL0_CFGBASE + 0x00e0)
 
-/*
- * GPIO macro register defines
- */
-/* todo: move to ppc4xx.h and merge with gpio.h header */
-#define GPIO0_OR		(GPIO0_BASE + 0x0)
-#define GPIO0_TCR		(GPIO0_BASE + 0x4)
-#define GPIO0_OSRL		(GPIO0_BASE + 0x8)
-#define GPIO0_OSRH		(GPIO0_BASE + 0xC)
-#define GPIO0_TSRL		(GPIO0_BASE + 0x10)
-#define GPIO0_TSRH		(GPIO0_BASE + 0x14)
-#define GPIO0_ODR		(GPIO0_BASE + 0x18)
-#define GPIO0_IR		(GPIO0_BASE + 0x1C)
-#define GPIO0_RR1		(GPIO0_BASE + 0x20)
-#define GPIO0_RR2		(GPIO0_BASE + 0x24)
-#define GPIO0_RR3		(GPIO0_BASE + 0x28)
-#define GPIO0_ISR1L		(GPIO0_BASE + 0x30)
-#define GPIO0_ISR1H		(GPIO0_BASE + 0x34)
-#define GPIO0_ISR2L		(GPIO0_BASE + 0x38)
-#define GPIO0_ISR2H		(GPIO0_BASE + 0x3C)
-#define GPIO0_ISR3L		(GPIO0_BASE + 0x40)
-#define GPIO0_ISR3H		(GPIO0_BASE + 0x44)
-
-#define GPIO1_OR		(GPIO1_BASE + 0x0)
-#define GPIO1_TCR		(GPIO1_BASE + 0x4)
-#define GPIO1_OSRL		(GPIO1_BASE + 0x8)
-#define GPIO1_OSRH		(GPIO1_BASE + 0xC)
-#define GPIO1_TSRL		(GPIO1_BASE + 0x10)
-#define GPIO1_TSRH		(GPIO1_BASE + 0x14)
-#define GPIO1_ODR		(GPIO1_BASE + 0x18)
-#define GPIO1_IR		(GPIO1_BASE + 0x1C)
-#define GPIO1_RR1		(GPIO1_BASE + 0x20)
-#define GPIO1_RR2		(GPIO1_BASE + 0x24)
-#define GPIO1_RR3		(GPIO1_BASE + 0x28)
-#define GPIO1_ISR1L		(GPIO1_BASE + 0x30)
-#define GPIO1_ISR1H		(GPIO1_BASE + 0x34)
-#define GPIO1_ISR2L		(GPIO1_BASE + 0x38)
-#define GPIO1_ISR2H		(GPIO1_BASE + 0x3C)
-#define GPIO1_ISR3L		(GPIO1_BASE + 0x40)
-#define GPIO1_ISR3H		(GPIO1_BASE + 0x44)
-
 #endif	/* __PPC440_H__ */
diff --git a/arch/powerpc/include/asm/ppc440ep_gr.h b/arch/powerpc/include/asm/ppc440ep_gr.h
index 2535787..0fd4019 100644
--- a/arch/powerpc/include/asm/ppc440ep_gr.h
+++ b/arch/powerpc/include/asm/ppc440ep_gr.h
@@ -25,8 +25,6 @@
 
 #define CONFIG_NAND_NDFC
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 /*
  * Some SoC specific registers (not common for all 440 SoC's)
  */
diff --git a/arch/powerpc/include/asm/ppc440epx_grx.h b/arch/powerpc/include/asm/ppc440epx_grx.h
index dfaa609..e0d7e3f 100644
--- a/arch/powerpc/include/asm/ppc440epx_grx.h
+++ b/arch/powerpc/include/asm/ppc440epx_grx.h
@@ -25,8 +25,6 @@
 
 #define CONFIG_NAND_NDFC
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 /*
  * Some SoC specific registers (not common for all 440 SoC's)
  */
diff --git a/arch/powerpc/include/asm/ppc440sp.h b/arch/powerpc/include/asm/ppc440sp.h
index d4e62b6..eb7e1d9 100644
--- a/arch/powerpc/include/asm/ppc440sp.h
+++ b/arch/powerpc/include/asm/ppc440sp.h
@@ -23,8 +23,6 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 /*
  * Some SoC specific registers (not common for all 440 SoC's)
  */
diff --git a/arch/powerpc/include/asm/ppc440spe.h b/arch/powerpc/include/asm/ppc440spe.h
index a4ab797..05fe104 100644
--- a/arch/powerpc/include/asm/ppc440spe.h
+++ b/arch/powerpc/include/asm/ppc440spe.h
@@ -23,8 +23,6 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 /*
  * Some SoC specific registers (not common for all 440 SoC's)
  */
diff --git a/arch/powerpc/include/asm/ppc460ex_gt.h b/arch/powerpc/include/asm/ppc460ex_gt.h
index a535f75..04c3fbe 100644
--- a/arch/powerpc/include/asm/ppc460ex_gt.h
+++ b/arch/powerpc/include/asm/ppc460ex_gt.h
@@ -25,8 +25,6 @@
 
 #define CONFIG_NAND_NDFC
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 /*
  * Some SoC specific registers
  */
diff --git a/arch/powerpc/include/asm/ppc460sx.h b/arch/powerpc/include/asm/ppc460sx.h
index 08ea7c4..cb72e28 100644
--- a/arch/powerpc/include/asm/ppc460sx.h
+++ b/arch/powerpc/include/asm/ppc460sx.h
@@ -23,8 +23,6 @@
 
 #define CONFIG_SDRAM_PPC4xx_IBM_DDR2	/* IBM DDR(2) controller */
 
-#define CONFIG_SYS_PPC4xx_PLB4_ARBITER
-
 #define GPIO0_BASE	(CONFIG_SYS_PERIPHERAL_BASE + 0x00000700)
 
 #define SDR0_SRST0_DMC			0x00200000
diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h
index 7aff401..15be343 100644
--- a/arch/powerpc/include/asm/ppc4xx.h
+++ b/arch/powerpc/include/asm/ppc4xx.h
@@ -95,6 +95,8 @@
 #define PLB4A0_ACR	0x0081
 #define PLB4A1_ACR	0x0089
 
+/* CPR register declarations */
+
 #define PLB4Ax_ACR_PPM_MASK		0xf0000000
 #define PLB4Ax_ACR_PPM_FIXED		0x00000000
 #define PLB4Ax_ACR_PPM_FAIR		0xd0000000
@@ -110,6 +112,73 @@
 #define PLB4Ax_ACR_WRP_DISABLED		0x00000000
 #define PLB4Ax_ACR_WRP_2DEEP		0x01000000
 
+/*
+ * External Bus Controller
+ */
+/* Values for EBC0_CFGADDR register - indirect addressing of these regs */
+#define PB0CR		0x00	/* periph bank 0 config reg		*/
+#define PB1CR		0x01	/* periph bank 1 config reg		*/
+#define PB2CR		0x02	/* periph bank 2 config reg		*/
+#define PB3CR		0x03	/* periph bank 3 config reg		*/
+#define PB4CR		0x04	/* periph bank 4 config reg		*/
+#define PB5CR		0x05	/* periph bank 5 config reg		*/
+#define PB6CR		0x06	/* periph bank 6 config reg		*/
+#define PB7CR		0x07	/* periph bank 7 config reg		*/
+#define PB0AP		0x10	/* periph bank 0 access parameters	*/
+#define PB1AP		0x11	/* periph bank 1 access parameters	*/
+#define PB2AP		0x12	/* periph bank 2 access parameters	*/
+#define PB3AP		0x13	/* periph bank 3 access parameters	*/
+#define PB4AP		0x14	/* periph bank 4 access parameters	*/
+#define PB5AP		0x15	/* periph bank 5 access parameters	*/
+#define PB6AP		0x16	/* periph bank 6 access parameters	*/
+#define PB7AP		0x17	/* periph bank 7 access parameters	*/
+#define PBEAR		0x20	/* periph bus error addr reg		*/
+#define PBESR0		0x21	/* periph bus error status reg 0	*/
+#define PBESR1		0x22	/* periph bus error status reg 1	*/
+#define EBC0_CFG	0x23	/* external bus configuration reg	*/
+
+/*
+ * GPIO macro register defines
+ */
+/* todo: merge with gpio.h header */
+#define GPIO_BASE		GPIO0_BASE
+
+#define GPIO0_OR		(GPIO0_BASE + 0x0)
+#define GPIO0_TCR		(GPIO0_BASE + 0x4)
+#define GPIO0_OSRL		(GPIO0_BASE + 0x8)
+#define GPIO0_OSRH		(GPIO0_BASE + 0xC)
+#define GPIO0_TSRL		(GPIO0_BASE + 0x10)
+#define GPIO0_TSRH		(GPIO0_BASE + 0x14)
+#define GPIO0_ODR		(GPIO0_BASE + 0x18)
+#define GPIO0_IR		(GPIO0_BASE + 0x1C)
+#define GPIO0_RR1		(GPIO0_BASE + 0x20)
+#define GPIO0_RR2		(GPIO0_BASE + 0x24)
+#define GPIO0_RR3		(GPIO0_BASE + 0x28)
+#define GPIO0_ISR1L		(GPIO0_BASE + 0x30)
+#define GPIO0_ISR1H		(GPIO0_BASE + 0x34)
+#define GPIO0_ISR2L		(GPIO0_BASE + 0x38)
+#define GPIO0_ISR2H		(GPIO0_BASE + 0x3C)
+#define GPIO0_ISR3L		(GPIO0_BASE + 0x40)
+#define GPIO0_ISR3H		(GPIO0_BASE + 0x44)
+
+#define GPIO1_OR		(GPIO1_BASE + 0x0)
+#define GPIO1_TCR		(GPIO1_BASE + 0x4)
+#define GPIO1_OSRL		(GPIO1_BASE + 0x8)
+#define GPIO1_OSRH		(GPIO1_BASE + 0xC)
+#define GPIO1_TSRL		(GPIO1_BASE + 0x10)
+#define GPIO1_TSRH		(GPIO1_BASE + 0x14)
+#define GPIO1_ODR		(GPIO1_BASE + 0x18)
+#define GPIO1_IR		(GPIO1_BASE + 0x1C)
+#define GPIO1_RR1		(GPIO1_BASE + 0x20)
+#define GPIO1_RR2		(GPIO1_BASE + 0x24)
+#define GPIO1_RR3		(GPIO1_BASE + 0x28)
+#define GPIO1_ISR1L		(GPIO1_BASE + 0x30)
+#define GPIO1_ISR1H		(GPIO1_BASE + 0x34)
+#define GPIO1_ISR2L		(GPIO1_BASE + 0x38)
+#define GPIO1_ISR2H		(GPIO1_BASE + 0x3C)
+#define GPIO1_ISR3L		(GPIO1_BASE + 0x40)
+#define GPIO1_ISR3H		(GPIO1_BASE + 0x44)
+
 /* General Purpose Timer (GPT) Register Offsets */
 #define GPT0_TBC		0x00000000
 #define GPT0_IM			0x00000018