diff --git a/arch/powerpc/include/asm/8xx_immap.h b/arch/powerpc/include/asm/8xx_immap.h
new file mode 100644
index 0000000..3999a02
--- /dev/null
+++ b/arch/powerpc/include/asm/8xx_immap.h
@@ -0,0 +1,468 @@
+/*
+ * MPC8xx Internal Memory Map
+ * Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
+ *
+ * The I/O on the MPC860 is comprised of blocks of special registers
+ * and the dual port ram for the Communication Processor Module.
+ * Within this space are functional units such as the SIU, memory
+ * controller, system timers, and other control functions.  It is
+ * a combination that I found difficult to separate into logical
+ * functional files.....but anyone else is welcome to try.  -- Dan
+ */
+#ifndef __IMMAP_8XX__
+#define __IMMAP_8XX__
+
+/* System configuration registers.
+*/
+typedef	struct sys_conf {
+	uint	sc_siumcr;
+	uint	sc_sypcr;
+	uint	sc_swt;
+	char	res1[2];
+	ushort	sc_swsr;
+	uint	sc_sipend;
+	uint	sc_simask;
+	uint	sc_siel;
+	uint	sc_sivec;
+	uint	sc_tesr;
+	char	res2[0xc];
+	uint	sc_sdcr;
+	char	res3[0x4c];
+} sysconf8xx_t;
+
+/* PCMCIA configuration registers.
+*/
+typedef struct pcmcia_conf {
+	uint	pcmc_pbr0;
+	uint	pcmc_por0;
+	uint	pcmc_pbr1;
+	uint	pcmc_por1;
+	uint	pcmc_pbr2;
+	uint	pcmc_por2;
+	uint	pcmc_pbr3;
+	uint	pcmc_por3;
+	uint	pcmc_pbr4;
+	uint	pcmc_por4;
+	uint	pcmc_pbr5;
+	uint	pcmc_por5;
+	uint	pcmc_pbr6;
+	uint	pcmc_por6;
+	uint	pcmc_pbr7;
+	uint	pcmc_por7;
+	char	res1[0x20];
+	uint	pcmc_pgcra;
+	uint	pcmc_pgcrb;
+	uint	pcmc_pscr;
+	char	res2[4];
+	uint	pcmc_pipr;
+	char	res3[4];
+	uint	pcmc_per;
+	char	res4[4];
+} pcmconf8xx_t;
+
+/* Memory controller registers.
+*/
+typedef struct	mem_ctlr {
+	uint	memc_br0;
+	uint	memc_or0;
+	uint	memc_br1;
+	uint	memc_or1;
+	uint	memc_br2;
+	uint	memc_or2;
+	uint	memc_br3;
+	uint	memc_or3;
+	uint	memc_br4;
+	uint	memc_or4;
+	uint	memc_br5;
+	uint	memc_or5;
+	uint	memc_br6;
+	uint	memc_or6;
+	uint	memc_br7;
+	uint	memc_or7;
+	char	res1[0x24];
+	uint	memc_mar;
+	uint	memc_mcr;
+	char	res2[4];
+	uint	memc_mamr;
+	uint	memc_mbmr;
+	ushort	memc_mstat;
+	ushort	memc_mptpr;
+	uint	memc_mdr;
+	char	res3[0x80];
+} memctl8xx_t;
+
+/* System Integration Timers.
+*/
+typedef struct	sys_int_timers {
+	ushort	sit_tbscr;
+	char	res0[0x02];
+	uint	sit_tbreff0;
+	uint	sit_tbreff1;
+	char	res1[0x14];
+	ushort	sit_rtcsc;
+	char	res2[0x02];
+	uint	sit_rtc;
+	uint	sit_rtsec;
+	uint	sit_rtcal;
+	char	res3[0x10];
+	ushort	sit_piscr;
+	char	res4[2];
+	uint	sit_pitc;
+	uint	sit_pitr;
+	char	res5[0x34];
+} sit8xx_t;
+
+#define TBSCR_TBIRQ_MASK	((ushort)0xff00)
+#define TBSCR_REFA		((ushort)0x0080)
+#define TBSCR_REFB		((ushort)0x0040)
+#define TBSCR_REFAE		((ushort)0x0008)
+#define TBSCR_REFBE		((ushort)0x0004)
+#define TBSCR_TBF		((ushort)0x0002)
+#define TBSCR_TBE		((ushort)0x0001)
+
+#define RTCSC_RTCIRQ_MASK	((ushort)0xff00)
+#define RTCSC_SEC		((ushort)0x0080)
+#define RTCSC_ALR		((ushort)0x0040)
+#define RTCSC_38K		((ushort)0x0010)
+#define RTCSC_SIE		((ushort)0x0008)
+#define RTCSC_ALE		((ushort)0x0004)
+#define RTCSC_RTF		((ushort)0x0002)
+#define RTCSC_RTE		((ushort)0x0001)
+
+#define PISCR_PIRQ_MASK		((ushort)0xff00)
+#define PISCR_PS		((ushort)0x0080)
+#define PISCR_PIE		((ushort)0x0004)
+#define PISCR_PTF		((ushort)0x0002)
+#define PISCR_PTE		((ushort)0x0001)
+
+/* Clocks and Reset.
+*/
+typedef struct clk_and_reset {
+	uint	car_sccr;
+	uint	car_plprcr;
+	uint	car_rsr;
+	char	res[0x74];        /* Reserved area                  */
+} car8xx_t;
+
+/* System Integration Timers keys.
+*/
+typedef struct sitk {
+	uint	sitk_tbscrk;
+	uint	sitk_tbreff0k;
+	uint	sitk_tbreff1k;
+	uint	sitk_tbk;
+	char	res1[0x10];
+	uint	sitk_rtcsck;
+	uint	sitk_rtck;
+	uint	sitk_rtseck;
+	uint	sitk_rtcalk;
+	char	res2[0x10];
+	uint	sitk_piscrk;
+	uint	sitk_pitck;
+	char	res3[0x38];
+} sitk8xx_t;
+
+/* Clocks and reset keys.
+*/
+typedef struct cark {
+	uint	cark_sccrk;
+	uint	cark_plprcrk;
+	uint	cark_rsrk;
+	char	res[0x474];
+} cark8xx_t;
+
+/* The key to unlock registers maintained by keep-alive power.
+*/
+#define KAPWR_KEY	((unsigned int)0x55ccaa33)
+
+/* I2C
+*/
+typedef struct i2c {
+	u_char	i2c_i2mod;
+	char	res1[3];
+	u_char	i2c_i2add;
+	char	res2[3];
+	u_char	i2c_i2brg;
+	char	res3[3];
+	u_char	i2c_i2com;
+	char	res4[3];
+	u_char	i2c_i2cer;
+	char	res5[3];
+	u_char	i2c_i2cmr;
+	char	res6[0x8b];
+} i2c8xx_t;
+
+/* DMA control/status registers.
+*/
+typedef struct sdma_csr {
+	char	res1[4];
+	uint	sdma_sdar;
+	u_char	sdma_sdsr;
+	char	res3[3];
+	u_char	sdma_sdmr;
+	char	res4[3];
+	u_char	sdma_idsr1;
+	char	res5[3];
+	u_char	sdma_idmr1;
+	char	res6[3];
+	u_char	sdma_idsr2;
+	char	res7[3];
+	u_char	sdma_idmr2;
+	char	res8[0x13];
+} sdma8xx_t;
+
+/* Communication Processor Module Interrupt Controller.
+*/
+typedef struct cpm_ic {
+	ushort	cpic_civr;
+	char	res[0xe];
+	uint	cpic_cicr;
+	uint	cpic_cipr;
+	uint	cpic_cimr;
+	uint	cpic_cisr;
+} cpic8xx_t;
+
+/* Input/Output Port control/status registers.
+*/
+typedef struct io_port {
+	ushort	iop_padir;
+	ushort	iop_papar;
+	ushort	iop_paodr;
+	ushort	iop_padat;
+	char	res1[8];
+	ushort	iop_pcdir;
+	ushort	iop_pcpar;
+	ushort	iop_pcso;
+	ushort	iop_pcdat;
+	ushort	iop_pcint;
+	char	res2[6];
+	ushort	iop_pddir;
+	ushort	iop_pdpar;
+	char	res3[2];
+	ushort	iop_pddat;
+	uint	utmode;
+	char	res4[4];
+} iop8xx_t;
+
+/* Communication Processor Module Timers
+*/
+typedef struct cpm_timers {
+	ushort	cpmt_tgcr;
+	char	res1[0xe];
+	ushort	cpmt_tmr1;
+	ushort	cpmt_tmr2;
+	ushort	cpmt_trr1;
+	ushort	cpmt_trr2;
+	ushort	cpmt_tcr1;
+	ushort	cpmt_tcr2;
+	ushort	cpmt_tcn1;
+	ushort	cpmt_tcn2;
+	ushort	cpmt_tmr3;
+	ushort	cpmt_tmr4;
+	ushort	cpmt_trr3;
+	ushort	cpmt_trr4;
+	ushort	cpmt_tcr3;
+	ushort	cpmt_tcr4;
+	ushort	cpmt_tcn3;
+	ushort	cpmt_tcn4;
+	ushort	cpmt_ter1;
+	ushort	cpmt_ter2;
+	ushort	cpmt_ter3;
+	ushort	cpmt_ter4;
+	char	res2[8];
+} cpmtimer8xx_t;
+
+/* Finally, the Communication Processor stuff.....
+*/
+typedef struct scc {		/* Serial communication channels */
+	uint	scc_gsmrl;
+	uint	scc_gsmrh;
+	ushort	scc_psmr;
+	char	res1[2];
+	ushort	scc_todr;
+	ushort	scc_dsr;
+	ushort	scc_scce;
+	char	res2[2];
+	ushort	scc_sccm;
+	char	res3;
+	u_char	scc_sccs;
+	char	res4[8];
+} scc_t;
+
+typedef struct smc {		/* Serial management channels */
+	char	res1[2];
+	ushort	smc_smcmr;
+	char	res2[2];
+	u_char	smc_smce;
+	char	res3[3];
+	u_char	smc_smcm;
+	char	res4[5];
+} smc_t;
+
+/* MPC860T Fast Ethernet Controller.  It isn't part of the CPM, but
+ * it fits within the address space.
+ */
+
+typedef struct fec {
+	uint	fec_addr_low;		/* lower 32 bits of station address	*/
+	ushort	fec_addr_high;		/* upper 16 bits of station address	*/
+	ushort	res1;			/* reserved				*/
+	uint	fec_hash_table_high;	/* upper 32-bits of hash table		*/
+	uint	fec_hash_table_low;	/* lower 32-bits of hash table		*/
+	uint	fec_r_des_start;	/* beginning of Rx descriptor ring	*/
+	uint	fec_x_des_start;	/* beginning of Tx descriptor ring	*/
+	uint	fec_r_buff_size;	/* Rx buffer size			*/
+	uint	res2[9];		/* reserved				*/
+	uint	fec_ecntrl;		/* ethernet control register		*/
+	uint	fec_ievent;		/* interrupt event register		*/
+	uint	fec_imask;		/* interrupt mask register		*/
+	uint	fec_ivec;		/* interrupt level and vector status	*/
+	uint	fec_r_des_active;	/* Rx ring updated flag			*/
+	uint	fec_x_des_active;	/* Tx ring updated flag			*/
+	uint	res3[10];		/* reserved				*/
+	uint	fec_mii_data;		/* MII data register			*/
+	uint	fec_mii_speed;		/* MII speed control register		*/
+	uint	res4[17];		/* reserved				*/
+	uint	fec_r_bound;		/* end of RAM (read-only)		*/
+	uint	fec_r_fstart;		/* Rx FIFO start address		*/
+	uint	res5[6];		/* reserved				*/
+	uint	fec_x_fstart;		/* Tx FIFO start address		*/
+	uint	res6[17];		/* reserved				*/
+	uint	fec_fun_code;		/* fec SDMA function code		*/
+	uint	res7[3];		/* reserved				*/
+	uint	fec_r_cntrl;		/* Rx control register			*/
+	uint	fec_r_hash;		/* Rx hash register			*/
+	uint	res8[14];		/* reserved				*/
+	uint	fec_x_cntrl;		/* Tx control register			*/
+	uint	res9[0x1e];		/* reserved				*/
+} fec_t;
+
+typedef struct comm_proc {
+	/* General control and status registers.
+	*/
+	ushort	cp_cpcr;
+	u_char	res1[2];
+	ushort	cp_rccr;
+	u_char	res2;
+	u_char	cp_rmds;
+	u_char	res3[4];
+	ushort	cp_cpmcr1;
+	ushort	cp_cpmcr2;
+	ushort	cp_cpmcr3;
+	ushort	cp_cpmcr4;
+	u_char	res4[2];
+	ushort	cp_rter;
+	u_char	res5[2];
+	ushort	cp_rtmr;
+	u_char	res6[0x14];
+
+	/* Baud rate generators.
+	*/
+	uint	cp_brgc1;
+	uint	cp_brgc2;
+	uint	cp_brgc3;
+	uint	cp_brgc4;
+
+	/* Serial Communication Channels.
+	*/
+	scc_t	cp_scc[4];
+
+	/* Serial Management Channels.
+	*/
+	smc_t	cp_smc[2];
+
+	/* Serial Peripheral Interface.
+	*/
+	ushort	cp_spmode;
+	u_char	res7[4];
+	u_char	cp_spie;
+	u_char	res8[3];
+	u_char	cp_spim;
+	u_char	res9[2];
+	u_char	cp_spcom;
+	u_char	res10[2];
+
+	/* Parallel Interface Port.
+	*/
+	u_char	res11[2];
+	ushort	cp_pipc;
+	u_char	res12[2];
+	ushort	cp_ptpr;
+	uint	cp_pbdir;
+	uint	cp_pbpar;
+	u_char	res13[2];
+	ushort	cp_pbodr;
+	uint	cp_pbdat;
+
+	/* Port E - MPC87x/88x only.
+	 */
+	uint	cp_pedir;
+	uint	cp_pepar;
+	uint	cp_peso;
+	uint	cp_peodr;
+	uint	cp_pedat;
+
+	/* Communications Processor Timing Register -
+	   Contains RMII Timing for the FECs on MPC87x/88x only.
+	*/
+	uint	cp_cptr;
+
+	/* Serial Interface and Time Slot Assignment.
+	*/
+	uint	cp_simode;
+	u_char	cp_sigmr;
+	u_char	res15;
+	u_char	cp_sistr;
+	u_char	cp_sicmr;
+	u_char	res16[4];
+	uint	cp_sicr;
+	uint	cp_sirp;
+	u_char	res17[0xc];
+
+	u_char	res19[0x100];
+	u_char	cp_siram[0x200];
+
+	/* The fast ethernet controller is not really part of the CPM,
+	 * but it resides in the address space.
+	 */
+	fec_t	cp_fec;
+	char	res18[0xE00];
+
+	/* The MPC885 family has a second FEC here */
+	fec_t	cp_fec2;
+#define cp_fec1	cp_fec	/* consistency macro */
+
+	/* Dual Ported RAM follows.
+	 * There are many different formats for this memory area
+	 * depending upon the devices used and options chosen.
+	 * Some processors don't have all of it populated.
+	 */
+	u_char	cp_dpmem[0x1C00];	/* BD / Data / ucode */
+
+	/* Parameter RAM */
+	union {
+		u_char	cp_dparam[0x400];
+		u16	cp_dparam16[0x200];
+	};
+} cpm8xx_t;
+
+/* Internal memory map.
+*/
+typedef struct immap {
+	sysconf8xx_t	im_siu_conf;	/* SIU Configuration */
+	pcmconf8xx_t	im_pcmcia;	/* PCMCIA Configuration */
+	memctl8xx_t	im_memctl;	/* Memory Controller */
+	sit8xx_t	im_sit;		/* System integration timers */
+	car8xx_t	im_clkrst;	/* Clocks and reset */
+	sitk8xx_t	im_sitk;	/* Sys int timer keys */
+	cark8xx_t	im_clkrstk;	/* Clocks and reset keys */
+	char		res[96];
+	i2c8xx_t	im_i2c;		/* I2C control/status */
+	sdma8xx_t	im_sdma;	/* SDMA control/status */
+	cpic8xx_t	im_cpic;	/* CPM Interrupt Controller */
+	iop8xx_t	im_ioport;	/* IO Port control/status */
+	cpmtimer8xx_t	im_cpmtimer;	/* CPM timers */
+	cpm8xx_t	im_cpm;		/* Communication processor */
+} immap_t;
+
+#endif /* __IMMAP_8XX__ */
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 20c52fc..d3a8391 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -7,7 +7,9 @@
 #include <asm/processor.h>
 
 /* bytes per L1 cache line */
-#if defined(CONFIG_PPC64BRIDGE)
+#if defined(CONFIG_8xx)
+#define	L1_CACHE_SHIFT	4
+#elif defined(CONFIG_PPC64BRIDGE)
 #define L1_CACHE_SHIFT	7
 #elif defined(CONFIG_E500MC)
 #define L1_CACHE_SHIFT	6
@@ -70,4 +72,41 @@
 #define L2CACHE_NONE	0x03	/* NONE */
 #define L2CACHE_PARITY  0x08    /* Mask for L2 Cache Parity Protected bit */
 
+#ifdef CONFIG_8xx
+/* Cache control on the MPC8xx is provided through some additional
+ * special purpose registers.
+ */
+#define IC_CST		560	/* Instruction cache control/status */
+#define IC_ADR		561	/* Address needed for some commands */
+#define IC_DAT		562	/* Read-only data register */
+#define DC_CST		568	/* Data cache control/status */
+#define DC_ADR		569	/* Address needed for some commands */
+#define DC_DAT		570	/* Read-only data register */
+
+/* Commands.  Only the first few are available to the instruction cache.
+*/
+#define	IDC_ENABLE	0x02000000	/* Cache enable */
+#define IDC_DISABLE	0x04000000	/* Cache disable */
+#define IDC_LDLCK	0x06000000	/* Load and lock */
+#define IDC_UNLINE	0x08000000	/* Unlock line */
+#define IDC_UNALL	0x0a000000	/* Unlock all */
+#define IDC_INVALL	0x0c000000	/* Invalidate all */
+
+#define DC_FLINE	0x0e000000	/* Flush data cache line */
+#define DC_SFWT		0x01000000	/* Set forced writethrough mode */
+#define DC_CFWT		0x03000000	/* Clear forced writethrough mode */
+#define DC_SLES		0x05000000	/* Set little endian swap mode */
+#define DC_CLES		0x07000000	/* Clear little endian swap mode */
+
+/* Status.
+*/
+#define IDC_ENABLED	0x80000000	/* Cache is enabled */
+#define IDC_CERR1	0x00200000	/* Cache error 1 */
+#define IDC_CERR2	0x00100000	/* Cache error 2 */
+#define IDC_CERR3	0x00080000	/* Cache error 3 */
+
+#define DC_DFWT		0x40000000	/* Data cache is forced write through */
+#define DC_LES		0x20000000	/* Caches are little endian mode */
+#endif /* CONFIG_8xx */
+
 #endif
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 1c4a82c..35a02b6 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -19,6 +19,9 @@
 	u8 sdhc_adapter;
 #endif
 #endif
+#if defined(CONFIG_8xx)
+	unsigned long brg_clk;
+#endif
 #if defined(CONFIG_CPM2)
 	/* There are many clocks on the MPC8260 - see page 9-5 */
 	unsigned long vco_out;
diff --git a/arch/powerpc/include/asm/iopin_8xx.h b/arch/powerpc/include/asm/iopin_8xx.h
new file mode 100644
index 0000000..8db0fa2
--- /dev/null
+++ b/arch/powerpc/include/asm/iopin_8xx.h
@@ -0,0 +1,379 @@
+/*
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/*
+ * MPC8xx I/O port pin manipulation functions
+ * Roughly based on iopin_8260.h
+ */
+
+#ifndef _ASM_IOPIN_8XX_H_
+#define _ASM_IOPIN_8XX_H_
+
+#include <linux/types.h>
+#include <asm/8xx_immap.h>
+
+#ifdef __KERNEL__
+
+typedef struct {
+	u_char port:2;	/* port number (A=0, B=1, C=2, D=3) */
+	u_char pin:5;	/* port pin (0-31) */
+	u_char flag:1;	/* for whatever */
+} iopin_t;
+
+#define IOPIN_PORTA	0
+#define IOPIN_PORTB	1
+#define IOPIN_PORTC	2
+#define IOPIN_PORTD	3
+
+static __inline__ void
+iopin_set_high(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
+		*datp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
+		*datp |= (1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
+		*datp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
+		*datp |= (1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_low(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
+		*datp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
+		*datp &= ~(1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
+		*datp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
+		*datp &= ~(1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_high(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
+		return (*datp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
+		return (*datp >> (31 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
+		return (*datp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
+		return (*datp >> (15 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_low(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padat;
+		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdat;
+		return ((*datp >> (31 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdat;
+		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *datp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddat;
+		return ((*datp >> (15 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+static __inline__ void
+iopin_set_out(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
+		*dirp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
+		*dirp |= (1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
+		*dirp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
+		*dirp |= (1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_in(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
+		*dirp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
+		*dirp &= ~(1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
+		*dirp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
+		*dirp &= ~(1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_out(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
+		return (*dirp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
+		return (*dirp >> (31 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
+		return (*dirp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
+		return (*dirp >> (15 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_in(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_padir;
+		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbdir;
+		return ((*dirp >> (31 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcdir;
+		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *dirp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pddir;
+		return ((*dirp >> (15 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+static __inline__ void
+iopin_set_odr(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
+		*odrp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
+		*odrp |= (1 << (31 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_act(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
+		*odrp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
+		*odrp &= ~(1 << (31 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_odr(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
+		return (*odrp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
+		return (*odrp >> (31 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_act(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_paodr;
+		return ((*odrp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile ushort *odrp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbodr;
+		return ((*odrp >> (31 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+static __inline__ void
+iopin_set_ded(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
+		*parp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
+		*parp |= (1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
+		*parp |= (1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
+		*parp |= (1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_gen(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
+		*parp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
+		*parp &= ~(1 << (31 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
+		*parp &= ~(1 << (15 - iopin->pin));
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
+		*parp &= ~(1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_ded(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
+		return (*parp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
+		return (*parp >> (31 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
+		return (*parp >> (15 - iopin->pin)) & 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
+		return (*parp >> (15 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_gen(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTA) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_papar;
+		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTB) {
+		volatile uint *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_pbpar;
+		return ((*parp >> (31 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcpar;
+		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
+	} else if (iopin->port == IOPIN_PORTD) {
+		volatile ushort *parp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pdpar;
+		return ((*parp >> (15 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+static __inline__ void
+iopin_set_opt2(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
+		*sorp |= (1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_opt1(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
+		*sorp &= ~(1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_opt2(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
+		return (*sorp >> (15 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_opt1(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *sorp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcso;
+		return ((*sorp >> (15 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+static __inline__ void
+iopin_set_falledge(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
+		*intp |= (1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ void
+iopin_set_anyedge(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
+		*intp &= ~(1 << (15 - iopin->pin));
+	}
+}
+
+static __inline__ uint
+iopin_is_falledge(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
+		return (*intp >> (15 - iopin->pin)) & 1;
+	}
+	return 0;
+}
+
+static __inline__ uint
+iopin_is_anyedge(iopin_t *iopin)
+{
+	if (iopin->port == IOPIN_PORTC) {
+		volatile ushort *intp = &((immap_t *)CONFIG_SYS_IMMR)->im_ioport.iop_pcint;
+		return ((*intp >> (15 - iopin->pin)) & 1) ^ 1;
+	}
+	return 0;
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* _ASM_IOPIN_8XX_H_ */
diff --git a/arch/powerpc/include/asm/ppc.h b/arch/powerpc/include/asm/ppc.h
index aa6c304..9a8afe1 100644
--- a/arch/powerpc/include/asm/ppc.h
+++ b/arch/powerpc/include/asm/ppc.h
@@ -13,6 +13,14 @@
 
 #ifndef __ASSEMBLY__
 
+#if defined(CONFIG_8xx)
+#include <asm/8xx_immap.h>
+#if defined(CONFIG_MPC866)
+# define CONFIG_MPC866_FAMILY 1
+#elif defined(CONFIG_MPC885)
+# define CONFIG_MPC885_FAMILY   1
+#endif
+#endif
 #ifdef CONFIG_MPC86xx
 #include <mpc86xx.h>
 #include <asm/immap_86xx.h>
@@ -35,6 +43,9 @@
 #include <asm/arch/immap_lsch2.h>
 #endif
 
+#if defined(CONFIG_8xx)
+uint get_immr(uint);
+#endif
 uint get_pvr(void);
 uint get_svr(void);
 uint rd_ic_cst(void);