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  •  * (C) Copyright 2007-2009 DENX Software Engineering
    
     *
     * MPC512x Internal Memory Map
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License as
     * published by the Free Software Foundation; either version 2 of
     * the License, or (at your option) any later version.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     *
     * Based on the MPC83xx header.
     */
    
    #ifndef __IMMAP_512x__
    #define __IMMAP_512x__
    
    #include <asm/types.h>
    
    #if defined(CONFIG_E300)
    #include <asm/e300.h>
    #endif
    
    /*
     * System reset offset (PowerPC standard)
     */
    #define EXC_OFF_SYS_RESET	0x0100
    #define	_START_OFFSET		EXC_OFF_SYS_RESET
    
    #define SPR_5121E		0x80180000
    
    /*
     * IMMRBAR - Internal Memory Register Base Address
     */
    #define CONFIG_DEFAULT_IMMR	0xFF400000	/* Default IMMR base address */
    #define IMMRBAR			0x0000		/* Register offset to immr */
    #define IMMRBAR_BASE_ADDR	0xFFF00000	/* Base address mask */
    #define IMMRBAR_RES		~(IMMRBAR_BASE_ADDR)
    
    
    #ifndef __ASSEMBLY__
    
    typedef struct law512x {
    	u32 bar;	/* Base Addr Register */
    	u32 ar;		/* Attributes Register */
    
    } law512x_t;
    
    
    /*
     * System configuration registers
     */
    typedef struct sysconf512x {
    	u32 immrbar;		/* Internal memory map base address register */
    	u8 res0[0x1c];
    	u32 lpbaw;		/* LP Boot Access Window */
    	u32 lpcs0aw;		/* LP CS0 Access Window */
    	u32 lpcs1aw;		/* LP CS1 Access Window */
    	u32 lpcs2aw;		/* LP CS2 Access Window */
    	u32 lpcs3aw;		/* LP CS3 Access Window */
    	u32 lpcs4aw;		/* LP CS4 Access Window */
    	u32 lpcs5aw;		/* LP CS5 Access Window */
    	u32 lpcs6aw;		/* LP CS6 Access Window */
    	u32 lpcs7aw;		/* LP CS7 Access Window */
    	u8 res1[0x1c];
    
    	law512x_t pcilaw[3];	/* PCI Local Access Window 0-2 Registers */
    
    	u8 res2[0x28];
    
    	law512x_t ddrlaw;	/* DDR Local Access Window */
    
    	u8 res3[0x18];
    	u32 mbxbar;		/* MBX Base Address */
    	u32 srambar;		/* SRAM Base Address */
    	u32 nfcbar;		/* NFC Base Address */
    	u8 res4[0x34];
    	u32 spridr;		/* System Part and Revision ID Register */
    	u32 spcr;		/* System Priority Configuration Register */
    	u8 res5[0xf8];
    } sysconf512x_t;
    
    
    #define LAWBAR_BAR	0xFFFFF000	/* Base address mask */
    
    
    /*
     * Watch Dog Timer (WDT) Registers
     */
    typedef struct wdt512x {
    	u8 res0[4];
    	u32 swcrr;		/* System watchdog control register */
    	u32 swcnr;		/* System watchdog count register */
    	u8 res1[2];
    	u16 swsrr;		/* System watchdog service register */
    	u8 res2[0xF0];
    } wdt512x_t;
    
    /*
     * RTC Module Registers
     */
    typedef struct rtclk512x {
    	u8 fixme[0x100];
    } rtclk512x_t;
    
    /*
     * General Purpose Timer
     */
    typedef struct gpt512x {
    	u8 fixme[0x100];
    } gpt512x_t;
    
    /*
     * Integrated Programmable Interrupt Controller
     */
    typedef struct ipic512x {
    	u8 fixme[0x100];
    } ipic512x_t;
    
    /*
     * System Arbiter Registers
     */
    typedef struct arbiter512x {
    	u32 acr;		/* Arbiter Configuration Register */
    	u32 atr;		/* Arbiter Timers Register */
    	u32 ater;		/* Arbiter Transfer Error Register */
    	u32 aer;		/* Arbiter Event Register */
    	u32 aidr;		/* Arbiter Interrupt Definition Register */
    	u32 amr;		/* Arbiter Mask Register */
    	u32 aeatr;		/* Arbiter Event Attributes Register */
    	u32 aeadr;		/* Arbiter Event Address Register */
    	u32 aerr;		/* Arbiter Event Response Register */
    	u8 res1[0xDC];
    } arbiter512x_t;
    
    /*
     * Reset Module
     */
    typedef struct reset512x {
    	u32 rcwl;		/* Reset Configuration Word Low Register */
    	u32 rcwh;		/* Reset Configuration Word High Register */
    	u8 res0[8];
    	u32 rsr;		/* Reset Status Register */
    	u32 rmr;		/* Reset Mode Register */
    	u32 rpr;		/* Reset protection Register */
    	u32 rcr;		/* Reset Control Register */
    	u32 rcer;		/* Reset Control Enable Register */
    	u8 res1[0xDC];
    } reset512x_t;
    
    
    /* RSR - Reset Status Register */
    #define RSR_SWSR	0x00002000	/* software soft reset */
    #define RSR_SWHR	0x00001000	/* software hard reset */
    #define RSR_JHRS	0x00000200	/* jtag hreset */
    #define RSR_JSRS	0x00000100	/* jtag sreset status */
    #define RSR_CSHR	0x00000010	/* checkstop reset status */
    #define RSR_SWRS	0x00000008	/* software watchdog reset status */
    #define RSR_BMRS	0x00000004	/* bus monitop reset status */
    #define RSR_SRS		0x00000002	/* soft reset status */
    #define RSR_HRS		0x00000001	/* hard reset status */
    #define RSR_RES		~(RSR_SWSR | RSR_SWHR |\
    			 RSR_JHRS | RSR_JSRS | RSR_CSHR | RSR_SWRS |\
    			 RSR_BMRS | RSR_SRS | RSR_HRS)
    
    /* RMR - Reset Mode Register */
    #define RMR_CSRE	0x00000001	/* checkstop reset enable */
    #define RMR_CSRE_SHIFT	0
    #define RMR_RES		(~(RMR_CSRE))
    
    /* RCR - Reset Control Register */
    #define RCR_SWHR	0x00000002	/* software hard reset */
    #define RCR_SWSR	0x00000001	/* software soft reset */
    #define RCR_RES		(~(RCR_SWHR | RCR_SWSR))
    
    /* RCER - Reset Control Enable Register */
    #define RCER_CRE	0x00000001	/* software hard reset */
    #define RCER_RES	(~(RCER_CRE))
    
    
    /*
     * Clock Module
     */
    typedef struct clk512x {
    	u32 spmr;		/* System PLL Mode Register */
    	u32 sccr[2];		/* System Clock Control Registers */
    	u32 scfr[2];		/* System Clock Frequency Registers */
    	u8 res0[4];
    	u32 bcr;		/* Bread Crumb Register */
    	u32 pscccr[12];		/* PSC0-11 Clock Control Registers */
    
    	u32 spccr;		/* SPDIF Clock Control Register */
    	u32 cccr;		/* CFM Clock Control Register */
    	u32 dccr;		/* DIU Clock Control Register */
    	u32 msccr[4];		/* MSCAN1-4 Clock Control Registers */
    	u8 res1[0x98];
    
    /* SPMR - System PLL Mode Register */
    #define SPMR_SPMF		0x0F000000
    #define SPMR_SPMF_SHIFT		24
    #define SPMR_CPMF		0x000F0000
    #define SPMR_CPMF_SHIFT		16
    
    /* System Clock Control Register 1 commands */
    #define CLOCK_SCCR1_CFG_EN		0x80000000
    #define CLOCK_SCCR1_LPC_EN		0x40000000
    #define CLOCK_SCCR1_NFC_EN		0x20000000
    #define CLOCK_SCCR1_PATA_EN		0x10000000
    #define CLOCK_SCCR1_PSC_EN(cn)		(0x08000000 >> (cn))
    #define CLOCK_SCCR1_PSCFIFO_EN		0x00008000
    #define CLOCK_SCCR1_SATA_EN		0x00004000
    #define CLOCK_SCCR1_FEC_EN		0x00002000
    #define CLOCK_SCCR1_TPR_EN		0x00001000
    #define CLOCK_SCCR1_PCI_EN		0x00000800
    #define CLOCK_SCCR1_DDR_EN		0x00000400
    
    /* System Clock Control Register 2 commands */
    #define CLOCK_SCCR2_DIU_EN		0x80000000
    #define CLOCK_SCCR2_AXE_EN		0x40000000
    #define CLOCK_SCCR2_MEM_EN		0x20000000
    
    #define CLOCK_SCCR2_USB1_EN		0x10000000
    #define CLOCK_SCCR2_USB2_EN		0x08000000
    
    #define CLOCK_SCCR2_I2C_EN		0x04000000
    #define CLOCK_SCCR2_BDLC_EN		0x02000000
    #define CLOCK_SCCR2_SDHC_EN		0x01000000
    #define CLOCK_SCCR2_SPDIF_EN		0x00800000
    #define CLOCK_SCCR2_MBX_BUS_EN		0x00400000
    #define CLOCK_SCCR2_MBX_EN		0x00200000
    #define CLOCK_SCCR2_MBX_3D_EN		0x00100000
    #define CLOCK_SCCR2_IIM_EN		0x00080000
    
    /* SCFR1 System Clock Frequency Register 1 */
    
    #define SCFR1_IPS_DIV		0x3
    
    #define SCFR1_IPS_DIV_MASK	0x03800000
    #define SCFR1_IPS_DIV_SHIFT	23
    
    #define SCFR1_PCI_DIV		0x6
    #define SCFR1_PCI_DIV_MASK	0x00700000
    #define SCFR1_PCI_DIV_SHIFT	20
    
    
    #define SCFR1_LPC_DIV_MASK	0x00003800
    #define SCFR1_LPC_DIV_SHIFT	11
    
    
    #define SCFR1_NFC_DIV_MASK	0x00000700
    #define SCFR1_NFC_DIV_SHIFT	8
    
    #define SCFR1_DIU_DIV_MASK	0x000000FF
    #define SCFR1_DIU_DIV_SHIFT	0
    
    
    /* SCFR2 System Clock Frequency Register 2 */
    #define SCFR2_SYS_DIV		0xFC000000
    #define SCFR2_SYS_DIV_SHIFT	26
    
    /* SPCR - System Priority Configuration Register */
    #define SPCR_TBEN	0x00400000	/* E300 core time base unit enable */
    
    
    /*
     * Power Management Control Module
     */
    typedef struct pmc512x {
    	u8 fixme[0x100];
    } pmc512x_t;
    
    /*
     * General purpose I/O module
     */
    typedef struct gpio512x {
    
    	u32 gpdir;
    	u32 gpodr;
    	u32 gpdat;
    	u32 gpier;
    	u32 gpimr;
    	u32 gpicr1;
    	u32 gpicr2;
    	u8 res0[0xE4];
    
    } gpio512x_t;
    
    /*
     * DDR Memory Controller Memory Map
     */
    typedef struct ddr512x {
    	u32 ddr_sys_config;	/* System Configuration Register */
    	u32 ddr_time_config0;	/* Timing Configuration Register */
    	u32 ddr_time_config1;	/* Timing Configuration Register */
    	u32 ddr_time_config2;	/* Timing Configuration Register */
    	u32 ddr_command;	/* Command Register */
    	u32 ddr_compact_command;	/* Compact Command Register */
    	u32 self_refresh_cmd_0;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_1;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_2;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_3;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_4;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_5;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_6;	/* Enter/Exit Self Refresh Registers */
    	u32 self_refresh_cmd_7;	/* Enter/Exit Self Refresh Registers */
    	u32 DQS_config_offset_count;	/* DQS Config Offset Count */
    	u32 DQS_config_offset_time;	/* DQS Config Offset Time */
    	u32 DQS_delay_status;	/* DQS Delay Status */
    	u32 res0[0xF];
    	u32 prioman_config1;	/* Priority Manager Configuration */
    	u32 prioman_config2;	/* Priority Manager Configuration */
    	u32 hiprio_config;	/* High Priority Configuration */
    	u32 lut_table0_main_upper;	/* LUT0 Main Upper */
    	u32 lut_table1_main_upper;	/* LUT1 Main Upper */
    	u32 lut_table2_main_upper;	/* LUT2 Main Upper */
    	u32 lut_table3_main_upper;	/* LUT3 Main Upper */
    	u32 lut_table4_main_upper;	/* LUT4 Main Upper */
    	u32 lut_table0_main_lower;	/* LUT0 Main Lower */
    	u32 lut_table1_main_lower;	/* LUT1 Main Lower */
    	u32 lut_table2_main_lower;	/* LUT2 Main Lower */
    	u32 lut_table3_main_lower;	/* LUT3 Main Lower */
    	u32 lut_table4_main_lower;	/* LUT4 Main Lower */
    	u32 lut_table0_alternate_upper;	/* LUT0 Alternate Upper */
    	u32 lut_table1_alternate_upper; /* LUT1 Alternate Upper */
    	u32 lut_table2_alternate_upper; /* LUT2 Alternate Upper */
    	u32 lut_table3_alternate_upper; /* LUT3 Alternate Upper */
    	u32 lut_table4_alternate_upper; /* LUT4 Alternate Upper */
    	u32 lut_table0_alternate_lower; /* LUT0 Alternate Lower */
    	u32 lut_table1_alternate_lower; /* LUT1 Alternate Lower */
    	u32 lut_table2_alternate_lower; /* LUT2 Alternate Lower */
    	u32 lut_table3_alternate_lower; /* LUT3 Alternate Lower */
    	u32 lut_table4_alternate_lower; /* LUT4 Alternate Lower */
    	u32 performance_monitor_config;
    	u32 event_time_counter;
    	u32 event_time_preset;
    	u32 performance_monitor1_address_low;
    	u32 performance_monitor2_address_low;
    	u32 performance_monitor1_address_hi;
    	u32 performance_monitor2_address_hi;
    	u32 res1[2];
    	u32 performance_monitor1_read_counter;
    	u32 performance_monitor2_read_counter;
    	u32 performance_monitor1_write_counter;
    	u32 performance_monitor2_write_counter;
    	u32 granted_ack_counter0;
    	u32 granted_ack_counter1;
    	u32 granted_ack_counter2;
    	u32 granted_ack_counter3;
    	u32 granted_ack_counter4;
    	u32 cumulative_wait_counter0;
    	u32 cumulative_wait_counter1;
    	u32 cumulative_wait_counter2;
    	u32 cumulative_wait_counter3;
    	u32 cumulative_wait_counter4;
    	u32 summed_priority_counter0;
    	u32 summed_priority_counter1;
    	u32 summed_priority_counter2;
    	u32 summed_priority_counter3;
    	u32 summed_priority_counter4;
    	u32 res2[0x3AD];
    } ddr512x_t;
    
    
    /* MDDRC SYS CFG and Timing CFG0 Registers */
    #define MDDRC_SYS_CFG_EN	0xF0000000
    
    #define MDDRC_SYS_CFG_CKE_MASK	0x40000000
    
    #define MDDRC_SYS_CFG_CMD_MASK	0x10000000
    #define MDDRC_REFRESH_ZERO_MASK	0x0000FFFF
    
    /*
     * DDR Memory Controller Configuration settings
     */
    typedef struct ddr512x_config {
    	u32 ddr_sys_config;	/* System Configuration Register */
    	u32 ddr_time_config0;	/* Timing Configuration Register */
    	u32 ddr_time_config1;	/* Timing Configuration Register */
    	u32 ddr_time_config2;	/* Timing Configuration Register */
    } ddr512x_config_t;
    
    
    typedef struct sdram_conf_s {
    	unsigned long size;
    	ddr512x_config_t cfg;
    } sdram_conf_t;
    
    
    /*
     * DMA/Messaging Unit
     */
    typedef struct dma512x {
    	u8 fixme[0x1800];
    } dma512x_t;
    
    /*
     * PCI Software Configuration Registers
     */
    typedef struct pciconf512x {
    
    	u32 config_address;
    	u32 config_data;
    	u32 int_ack;
    	u8 res[116];
    
    /*
     * PCI Outbound Translation Register
     */
    typedef struct pci_outbound_window {
    	u32 potar;
    	u8 res0[4];
    	u32 pobar;
    	u8 res1[4];
    	u32 pocmr;
    	u8 res2[4];
    } pot512x_t;
    
    
    /* POTAR - PCI Outbound Translation Address Register */
    #define POTAR_TA_MASK	0x000fffff
    
    /* POBAR - PCI Outbound Base Address Register */
    #define POBAR_BA_MASK	0x000fffff
    
    /* POCMR - PCI Outbound Comparision Mask Register */
    #define POCMR_EN	0x80000000
    #define POCMR_IO	0x40000000	/* 0-memory space 1-I/O space */
    #define POCMR_PRE	0x20000000	/* prefetch enable */
    #define POCMR_SBS	0x00100000	/* special byte swap enable */
    #define POCMR_CM_MASK	0x000fffff
    #define POCMR_CM_4G	0x00000000
    #define POCMR_CM_2G	0x00080000
    #define POCMR_CM_1G	0x000C0000
    #define POCMR_CM_512M	0x000E0000
    #define POCMR_CM_256M	0x000F0000
    #define POCMR_CM_128M	0x000F8000
    #define POCMR_CM_64M	0x000FC000
    #define POCMR_CM_32M	0x000FE000
    #define POCMR_CM_16M	0x000FF000
    #define POCMR_CM_8M	0x000FF800
    #define POCMR_CM_4M	0x000FFC00
    #define POCMR_CM_2M	0x000FFE00
    #define POCMR_CM_1M	0x000FFF00
    #define POCMR_CM_512K	0x000FFF80
    #define POCMR_CM_256K	0x000FFFC0
    #define POCMR_CM_128K	0x000FFFE0
    #define POCMR_CM_64K	0x000FFFF0
    #define POCMR_CM_32K	0x000FFFF8
    #define POCMR_CM_16K	0x000FFFFC
    #define POCMR_CM_8K	0x000FFFFE
    #define POCMR_CM_4K	0x000FFFFF
    
    
    /*
     * Sequencer
     */
    typedef struct ios512x {
    
    	pot512x_t pot[6];
    	u8 res0[0x60];
    	u32 pmcr;
    	u8 res1[4];
    	u32 dtcr;
    	u8 res2[4];
    
    } ios512x_t;
    
    /*
     * PCI Controller
     */
    typedef struct pcictrl512x {
    
    	u32 esr;
    	u32 ecdr;
    	u32 eer;
    	u32 eatcr;
    	u32 eacr;
    	u32 eeacr;
    	u32 edlcr;
    	u32 edhcr;
    	u32 gcr;
    	u32 ecr;
    	u32 gsr;
    	u8 res0[12];
    	u32 pitar2;
    	u8 res1[4];
    	u32 pibar2;
    	u32 piebar2;
    	u32 piwar2;
    	u8 res2[4];
    	u32 pitar1;
    	u8 res3[4];
    	u32 pibar1;
    	u32 piebar1;
    	u32 piwar1;
    	u8 res4[4];
    	u32 pitar0;
    	u8 res5[4];
    	u32 pibar0;
    	u8 res6[4];
    	u32 piwar0;
    	u8 res7[132];
    
    /* PITAR - PCI Inbound Translation Address Register
     */
    #define PITAR_TA_MASK	0x000fffff
    
    /* PIBAR - PCI Inbound Base/Extended Address Register
     */
    #define PIBAR_MASK	0xffffffff
    #define PIEBAR_EBA_MASK	0x000fffff
    
    /* PIWAR - PCI Inbound Windows Attributes Register
     */
    #define PIWAR_EN	0x80000000
    #define PIWAR_SBS	0x40000000
    #define PIWAR_PF	0x20000000
    #define PIWAR_RTT_MASK	0x000f0000
    #define PIWAR_RTT_NO_SNOOP 0x00040000
    #define PIWAR_RTT_SNOOP	0x00050000
    #define PIWAR_WTT_MASK	0x0000f000
    #define PIWAR_WTT_NO_SNOOP 0x00004000
    #define PIWAR_WTT_SNOOP	0x00005000
    
    
    /*
     * MSCAN
     */
    typedef struct mscan512x {
    	u8 fixme[0x100];
    } mscan512x_t;
    
    /*
     * BDLC
     */
    typedef struct bdlc512x {
    	u8 fixme[0x100];
    } bdlc512x_t;
    
    /*
     * SDHC
     */
    typedef struct sdhc512x {
    	u8 fixme[0x100];
    } sdhc512x_t;
    
    /*
     * SPDIF
     */
    typedef struct spdif512x {
    	u8 fixme[0x100];
    } spdif512x_t;
    
    /*
     * I2C
     */
    typedef struct i2c512x_dev {
    	volatile u32 madr;		/* I2Cn + 0x00 */
    	volatile u32 mfdr;		/* I2Cn + 0x04 */
    	volatile u32 mcr;		/* I2Cn + 0x08 */
    	volatile u32 msr;		/* I2Cn + 0x0C */
    	volatile u32 mdr;		/* I2Cn + 0x10 */
    	u8 res0[0x0C];
    } i2c512x_dev_t;
    
    
    /* Number of I2C buses */
    #define I2C_BUS_CNT	3
    
    
    typedef struct i2c512x {
    
    	i2c512x_dev_t dev[I2C_BUS_CNT];
    
    	volatile u32 icr;
    	volatile u32 mifr;
    	u8 res0[0x98];
    } i2c512x_t;
    
    
    /* I2Cn control register bits */
    #define I2C_EN		0x80
    #define I2C_IEN		0x40
    #define I2C_STA		0x20
    #define I2C_TX		0x10
    #define I2C_TXAK	0x08
    #define I2C_RSTA	0x04
    #define I2C_INIT_MASK	(I2C_EN | I2C_STA | I2C_TX | I2C_RSTA)
    
    /* I2Cn status register bits */
    #define I2C_CF		0x80
    #define I2C_AAS		0x40
    #define I2C_BB		0x20
    #define I2C_AL		0x10
    #define I2C_SRW		0x04
    #define I2C_IF		0x02
    #define I2C_RXAK	0x01
    
    
    /*
     * AXE
     */
    typedef struct axe512x {
    	u8 fixme[0x100];
    } axe512x_t;
    
    /*
     * DIU
     */
    typedef struct diu512x {
    	u8 fixme[0x100];
    } diu512x_t;
    
    /*
     * CFM
     */
    typedef struct cfm512x {
    	u8 fixme[0x100];
    } cfm512x_t;
    
    /*
     * FEC
     */
    typedef struct fec512x {
    
    	u32	fec_id;		/* FEC_ID register */
    	u32	ievent;		/* Interrupt event register */
    	u32	imask;		/* Interrupt mask register */
    	u32	reserved_01;
    	u32	r_des_active;	/* Receive ring updated flag */
    	u32	x_des_active;	/* Transmit ring updated flag */
    	u32	reserved_02[3];
    	u32	ecntrl;		/* Ethernet control register */
    	u32	reserved_03[6];
    	u32	mii_data;	/* MII data register */
    	u32	mii_speed;	/* MII speed register */
    	u32	reserved_04[7];
    	u32	mib_control;	/* MIB control/status register */
    	u32	reserved_05[7];
    	u32	r_cntrl;	/* Receive control register */
    	u32	r_hash;		/* Receive hash */
    	u32	reserved_06[14];
    	u32	x_cntrl;	/* Transmit control register */
    	u32	reserved_07[7];
    	u32	paddr1;		/* Physical address low */
    	u32	paddr2;		/* Physical address high + type field */
    	u32	op_pause;	/* Opcode + pause duration */
    	u32	reserved_08[10];
    	u32	iaddr1;		/* Upper 32 bits of individual hash table */
    	u32	iaddr2;		/* Lower 32 bits of individual hash table */
    	u32	gaddr1;		/* Upper 32 bits of group hash table */
    	u32	gaddr2;		/* Lower 32 bits of group hash table */
    	u32	reserved_09[7];
    	u32	x_wmrk;		/* Transmit FIFO watermark */
    	u32	reserved_10;
    	u32	r_bound;	/* End of RAM */
    	u32	r_fstart;	/* Receive FIFO start address */
    	u32	reserved_11[11];
    	u32	r_des_start;	/* Beginning of receive descriptor ring */
    	u32	x_des_start;	/* Pointer to beginning of transmit descriptor ring */
    	u32	r_buff_size;	/* Receive buffer size */
    	u32	reserved_12[26];
    	u32	dma_control;	/* DMA control for IP bus, AMBA IF + DMA revision */
    	u32	reserved_13[2];
    
    	u32	mib[128];	/* MIB Block Counters */
    
    	u32	fifo[256];	/*  used by FEC, can only be accessed by DMA */
    
    } fec512x_t;
    
    /*
     * ULPI
     */
    typedef struct ulpi512x {
    	u8 fixme[0x600];
    } ulpi512x_t;
    
    /*
     * UTMI
     */
    typedef struct utmi512x {
    	u8 fixme[0x3000];
    } utmi512x_t;
    
    /*
     * PCI DMA
     */
    typedef struct pcidma512x {
    	u8 fixme[0x300];
    } pcidma512x_t;
    
    /*
     * IO Control
     */
    typedef struct ioctrl512x {
    
    	u32	io_control_mem;			/* MEM pad ctrl reg */
    	u32	io_control_gp;			/* GP pad ctrl reg */
    	u32	io_control_lpc_clk;		/* LPC_CLK pad ctrl reg */
    	u32	io_control_lpc_oe;		/* LPC_OE pad ctrl reg */
    	u32	io_control_lpc_rw;		/* LPC_R/W pad ctrl reg */
    	u32	io_control_lpc_ack;		/* LPC_ACK pad ctrl reg */
    	u32	io_control_lpc_cs0;		/* LPC_CS0 pad ctrl reg */
    	u32	io_control_nfc_ce0;		/* NFC_CE0 pad ctrl reg */
    	u32	io_control_lpc_cs1;		/* LPC_CS1 pad ctrl reg */
    	u32	io_control_lpc_cs2;		/* LPC_CS2 pad ctrl reg */
    	u32	io_control_lpc_ax03;		/* LPC_AX03 pad ctrl reg */
    	u32	io_control_emb_ax02;		/* EMB_AX02 pad ctrl reg */
    	u32	io_control_emb_ax01;		/* EMB_AX01 pad ctrl reg */
    	u32	io_control_emb_ax00;		/* EMB_AX00 pad ctrl reg */
    	u32	io_control_emb_ad31;		/* EMB_AD31 pad ctrl reg */
    	u32	io_control_emb_ad30;		/* EMB_AD30 pad ctrl reg */
    	u32	io_control_emb_ad29;		/* EMB_AD29 pad ctrl reg */
    	u32	io_control_emb_ad28;		/* EMB_AD28 pad ctrl reg */
    	u32	io_control_emb_ad27;		/* EMB_AD27 pad ctrl reg */
    	u32	io_control_emb_ad26;		/* EMB_AD26 pad ctrl reg */
    	u32	io_control_emb_ad25;		/* EMB_AD25 pad ctrl reg */
    	u32	io_control_emb_ad24;		/* EMB_AD24 pad ctrl reg */
    	u32	io_control_emb_ad23;		/* EMB_AD23 pad ctrl reg */
    	u32	io_control_emb_ad22;		/* EMB_AD22 pad ctrl reg */
    	u32	io_control_emb_ad21;		/* EMB_AD21 pad ctrl reg */
    	u32	io_control_emb_ad20;		/* EMB_AD20 pad ctrl reg */
    	u32	io_control_emb_ad19;		/* EMB_AD19 pad ctrl reg */
    	u32	io_control_emb_ad18;		/* EMB_AD18 pad ctrl reg */
    	u32	io_control_emb_ad17;		/* EMB_AD17 pad ctrl reg */
    	u32	io_control_emb_ad16;		/* EMB_AD16 pad ctrl reg */
    	u32	io_control_emb_ad15;		/* EMB_AD15 pad ctrl reg */
    	u32	io_control_emb_ad14;		/* EMB_AD14 pad ctrl reg */
    	u32	io_control_emb_ad13;		/* EMB_AD13 pad ctrl reg */
    	u32	io_control_emb_ad12;		/* EMB_AD12 pad ctrl reg */
    	u32	io_control_emb_ad11;		/* EMB_AD11 pad ctrl reg */
    	u32	io_control_emb_ad10;		/* EMB_AD10 pad ctrl reg */
    	u32	io_control_emb_ad09;		/* EMB_AD09 pad ctrl reg */
    	u32	io_control_emb_ad08;		/* EMB_AD08 pad ctrl reg */
    	u32	io_control_emb_ad07;		/* EMB_AD07 pad ctrl reg */
    	u32	io_control_emb_ad06;		/* EMB_AD06 pad ctrl reg */
    	u32	io_control_emb_ad05;		/* EMB_AD05 pad ctrl reg */
    	u32	io_control_emb_ad04;		/* EMB_AD04 pad ctrl reg */
    	u32	io_control_emb_ad03;		/* EMB_AD03 pad ctrl reg */
    	u32	io_control_emb_ad02;		/* EMB_AD02 pad ctrl reg */
    	u32	io_control_emb_ad01;		/* EMB_AD01 pad ctrl reg */
    	u32	io_control_emb_ad00;		/* EMB_AD00 pad ctrl reg */
    	u32	io_control_pata_ce1;		/* PATA_CE1 pad ctrl reg */
    	u32	io_control_pata_ce2;		/* PATA_CE2 pad ctrl reg */
    	u32	io_control_pata_isolate;	/* PATA_ISOLATE pad ctrl reg */
    	u32	io_control_pata_ior;		/* PATA_IOR pad ctrl reg */
    	u32	io_control_pata_iow;		/* PATA_IOW pad ctrl reg */
    	u32	io_control_pata_iochrdy;	/* PATA_IOCHRDY pad ctrl reg */
    	u32	io_control_pata_intrq;		/* PATA_INTRQ pad ctrl reg */
    	u32	io_control_pata_drq;		/* PATA_DRQ pad ctrl reg */
    	u32	io_control_pata_dack;		/* PATA_DACK pad ctrl reg */
    	u32	io_control_nfc_wp;		/* NFC_WP pad ctrl reg */
    	u32	io_control_nfc_rb;		/* NFC_RB pad ctrl reg */
    	u32	io_control_nfc_ale;		/* NFC_ALE pad ctrl reg */
    	u32	io_control_nfc_cle;		/* NFC_CLE pad ctrl reg */
    	u32	io_control_nfc_we;		/* NFC_WE pad ctrl reg */
    	u32	io_control_nfc_re;		/* NFC_RE pad ctrl reg */
    	u32	io_control_pci_ad31;		/* PCI_AD31 pad ctrl reg */
    	u32	io_control_pci_ad30;		/* PCI_AD30 pad ctrl reg */
    	u32	io_control_pci_ad29;		/* PCI_AD29 pad ctrl reg */
    	u32	io_control_pci_ad28;		/* PCI_AD28 pad ctrl reg */
    	u32	io_control_pci_ad27;		/* PCI_AD27 pad ctrl reg */
    	u32	io_control_pci_ad26;		/* PCI_AD26 pad ctrl reg */
    	u32	io_control_pci_ad25;		/* PCI_AD25 pad ctrl reg */
    	u32	io_control_pci_ad24;		/* PCI_AD24 pad ctrl reg */
    	u32	io_control_pci_ad23;		/* PCI_AD23 pad ctrl reg */
    	u32	io_control_pci_ad22;		/* PCI_AD22 pad ctrl reg */
    	u32	io_control_pci_ad21;		/* PCI_AD21 pad ctrl reg */
    	u32	io_control_pci_ad20;		/* PCI_AD20 pad ctrl reg */
    	u32	io_control_pci_ad19;		/* PCI_AD19 pad ctrl reg */
    	u32	io_control_pci_ad18;		/* PCI_AD18 pad ctrl reg */
    	u32	io_control_pci_ad17;		/* PCI_AD17 pad ctrl reg */
    	u32	io_control_pci_ad16;		/* PCI_AD16 pad ctrl reg */
    	u32	io_control_pci_ad15;		/* PCI_AD15 pad ctrl reg */
    	u32	io_control_pci_ad14;		/* PCI_AD14 pad ctrl reg */
    	u32	io_control_pci_ad13;		/* PCI_AD13 pad ctrl reg */
    	u32	io_control_pci_ad12;		/* PCI_AD12 pad ctrl reg */
    	u32	io_control_pci_ad11;		/* PCI_AD11 pad ctrl reg */
    	u32	io_control_pci_ad10;		/* PCI_AD10 pad ctrl reg */
    	u32	io_control_pci_ad09;		/* PCI_AD09 pad ctrl reg */
    	u32	io_control_pci_ad08;		/* PCI_AD08 pad ctrl reg */
    	u32	io_control_pci_ad07;		/* PCI_AD07 pad ctrl reg */
    	u32	io_control_pci_ad06;		/* PCI_AD06 pad ctrl reg */
    	u32	io_control_pci_ad05;		/* PCI_AD05 pad ctrl reg */
    	u32	io_control_pci_ad04;		/* PCI_AD04 pad ctrl reg */
    	u32	io_control_pci_ad03;		/* PCI_AD03 pad ctrl reg */
    	u32	io_control_pci_ad02;		/* PCI_AD02 pad ctrl reg */
    	u32	io_control_pci_ad01;		/* PCI_AD01 pad ctrl reg */
    	u32	io_control_pci_ad00;		/* PCI_AD00 pad ctrl reg */
    	u32	io_control_pci_cbe0;		/* PCI_CBE0 pad ctrl reg */
    	u32	io_control_pci_cbe1;		/* PCI_CBE1 pad ctrl reg */
    	u32	io_control_pci_cbe2;		/* PCI_CBE2 pad ctrl reg */
    	u32	io_control_pci_cbe3;		/* PCI_CBE3 pad ctrl reg */
    	u32	io_control_pci_grant2;		/* PCI_GRANT2 pad ctrl reg */
    	u32	io_control_pci_req2;		/* PCI_REQ2 pad ctrl reg */
    	u32	io_control_pci_grant1;		/* PCI_GRANT1 pad ctrl reg */
    	u32	io_control_pci_req1;		/* PCI_REQ1 pad ctrl reg */
    	u32	io_control_pci_grant0;		/* PCI_GRANT0 pad ctrl reg */
    	u32	io_control_pci_req0;		/* PCI_REQ0 pad ctrl reg */
    	u32	io_control_pci_inta;		/* PCI_INTA pad ctrl reg */
    	u32	io_control_pci_clk;		/* PCI_CLK pad ctrl reg */
    	u32	io_control_pci_rst;		/* PCI_RST- pad ctrl reg */
    	u32	io_control_pci_frame;		/* PCI_FRAME pad ctrl reg */
    	u32	io_control_pci_idsel;		/* PCI_IDSEL pad ctrl reg */
    	u32	io_control_pci_devsel;		/* PCI_DEVSEL pad ctrl reg */
    	u32	io_control_pci_irdy;		/* PCI_IRDY pad ctrl reg */
    	u32	io_control_pci_trdy;		/* PCI_TRDY pad ctrl reg */
    	u32	io_control_pci_stop;		/* PCI_STOP pad ctrl reg */
    	u32	io_control_pci_par;		/* PCI_PAR pad ctrl reg */
    	u32	io_control_pci_perr;		/* PCI_PERR pad ctrl reg */
    	u32	io_control_pci_serr;		/* PCI_SERR pad ctrl reg */
    	u32	io_control_spdif_txclk;		/* SPDIF_TXCLK pad ctrl reg */
    	u32	io_control_spdif_tx;		/* SPDIF_TX pad ctrl reg */
    	u32	io_control_spdif_rx;		/* SPDIF_RX pad ctrl reg */
    	u32	io_control_i2c0_scl;		/* I2C0_SCL pad ctrl reg */
    	u32	io_control_i2c0_sda;		/* I2C0_SDA pad ctrl reg */
    	u32	io_control_i2c1_scl;		/* I2C1_SCL pad ctrl reg */
    	u32	io_control_i2c1_sda;		/* I2C1_SDA pad ctrl reg */
    	u32	io_control_i2c2_scl;		/* I2C2_SCL pad ctrl reg */
    	u32	io_control_i2c2_sda;		/* I2C2_SDA pad ctrl reg */
    	u32	io_control_irq0;		/* IRQ0 pad ctrl reg */
    	u32	io_control_irq1;		/* IRQ1 pad ctrl reg */
    	u32	io_control_can1_tx;		/* CAN1_TX pad ctrl reg */
    	u32	io_control_can2_tx;		/* CAN2_TX pad ctrl reg */
    	u32	io_control_j1850_tx;		/* J1850_TX pad ctrl reg */
    	u32	io_control_j1850_rx;		/* J1850_RX pad ctrl reg */
    	u32	io_control_psc_mclk_in;		/* PSC_MCLK_IN pad ctrl reg */
    	u32	io_control_psc0_0;		/* PSC0_0 pad ctrl reg */
    	u32	io_control_psc0_1;		/* PSC0_1 pad ctrl reg */
    	u32	io_control_psc0_2;		/* PSC0_2 pad ctrl reg */
    	u32	io_control_psc0_3;		/* PSC0_3 pad ctrl reg */
    	u32	io_control_psc0_4;		/* PSC0_4 pad ctrl reg */
    	u32	io_control_psc1_0;		/* PSC1_0 pad ctrl reg */
    	u32	io_control_psc1_1;		/* PSC1_1 pad ctrl reg */
    	u32	io_control_psc1_2;		/* PSC1_2 pad ctrl reg */
    	u32	io_control_psc1_3;		/* PSC1_3 pad ctrl reg */
    	u32	io_control_psc1_4;		/* PSC1_4 pad ctrl reg */
    	u32	io_control_psc2_0;		/* PSC2_0 pad ctrl reg */
    	u32	io_control_psc2_1;		/* PSC2_1 pad ctrl reg */
    	u32	io_control_psc2_2;		/* PSC2_2 pad ctrl reg */
    	u32	io_control_psc2_3;		/* PSC2_3 pad ctrl reg */
    	u32	io_control_psc2_4;		/* PSC2_4 pad ctrl reg */
    	u32	io_control_psc3_0;		/* PSC3_0 pad ctrl reg */
    	u32	io_control_psc3_1;		/* PSC3_1 pad ctrl reg */
    	u32	io_control_psc3_2;		/* PSC3_2 pad ctrl reg */
    	u32	io_control_psc3_3;		/* PSC3_3 pad ctrl reg */
    	u32	io_control_psc3_4;		/* PSC3_4 pad ctrl reg */
    	u32	io_control_psc4_0;		/* PSC4_0 pad ctrl reg */
    	u32	io_control_psc4_1;		/* PSC4_1 pad ctrl reg */
    	u32	io_control_psc4_2;		/* PSC4_2 pad ctrl reg */
    	u32	io_control_psc4_3;		/* PSC4_3 pad ctrl reg */
    	u32	io_control_psc4_4;		/* PSC4_4 pad ctrl reg */
    	u32	io_control_psc5_0;		/* PSC5_0 pad ctrl reg */
    	u32	io_control_psc5_1;		/* PSC5_1 pad ctrl reg */
    	u32	io_control_psc5_2;		/* PSC5_2 pad ctrl reg */
    	u32	io_control_psc5_3;		/* PSC5_3 pad ctrl reg */
    	u32	io_control_psc5_4;		/* PSC5_4 pad ctrl reg */
    	u32	io_control_psc6_0;		/* PSC6_0 pad ctrl reg */
    	u32	io_control_psc6_1;		/* PSC6_1 pad ctrl reg */
    	u32	io_control_psc6_2;		/* PSC6_2 pad ctrl reg */
    	u32	io_control_psc6_3;		/* PSC6_3 pad ctrl reg */
    	u32	io_control_psc6_4;		/* PSC6_4 pad ctrl reg */
    	u32	io_control_psc7_0;		/* PSC7_0 pad ctrl reg */
    	u32	io_control_psc7_1;		/* PSC7_1 pad ctrl reg */
    	u32	io_control_psc7_2;		/* PSC7_2 pad ctrl reg */
    	u32	io_control_psc7_3;		/* PSC7_3 pad ctrl reg */
    	u32	io_control_psc7_4;		/* PSC7_4 pad ctrl reg */
    	u32	io_control_psc8_0;		/* PSC8_0 pad ctrl reg */
    	u32	io_control_psc8_1;		/* PSC8_1 pad ctrl reg */
    	u32	io_control_psc8_2;		/* PSC8_2 pad ctrl reg */
    	u32	io_control_psc8_3;		/* PSC8_3 pad ctrl reg */
    	u32	io_control_psc8_4;		/* PSC8_4 pad ctrl reg */
    	u32	io_control_psc9_0;		/* PSC9_0 pad ctrl reg */
    	u32	io_control_psc9_1;		/* PSC9_1 pad ctrl reg */
    	u32	io_control_psc9_2;		/* PSC9_2 pad ctrl reg */
    	u32	io_control_psc9_3;		/* PSC9_3 pad ctrl reg */
    	u32	io_control_psc9_4;		/* PSC9_4 pad ctrl reg */
    	u32	io_control_psc10_0;		/* PSC10_0 pad ctrl reg */
    	u32	io_control_psc10_1;		/* PSC10_1 pad ctrl reg */
    	u32	io_control_psc10_2;		/* PSC10_2 pad ctrl reg */
    	u32	io_control_psc10_3;		/* PSC10_3 pad ctrl reg */
    	u32	io_control_psc10_4;		/* PSC10_4 pad ctrl reg */
    	u32	io_control_psc11_0;		/* PSC11_0 pad ctrl reg */
    	u32	io_control_psc11_1;		/* PSC11_1 pad ctrl reg */
    	u32	io_control_psc11_2;		/* PSC11_2 pad ctrl reg */
    	u32	io_control_psc11_3;		/* PSC11_3 pad ctrl reg */
    	u32	io_control_psc11_4;		/* PSC11_4 pad ctrl reg */
    	u32	io_control_ckstp_out;		/* CKSTP_OUT pad ctrl reg */
    	u32	io_control_usb_phy_drvvbus;	/* USB2_DRVVBUS pad ctrl reg */
    	u8	reserved[0x0cfc];		/* fill to 4096 bytes size */
    
    /* IO pin fields */
    #define IO_PIN_FMUX(v)	((v) << 7)	/* pin function */
    #define IO_PIN_HOLD(v)	((v) << 5)	/* hold time, pci only */
    #define IO_PIN_PUD(v)	((v) << 4)	/* if PUE, 0=pull-down, 1=pull-up */
    #define IO_PIN_PUE(v)	((v) << 3)	/* pull up/down enable */
    #define IO_PIN_ST(v)	((v) << 2)	/* schmitt trigger */
    #define IO_PIN_DS(v)	((v))		/* slew rate */
    
    typedef struct iopin_t {
    	int p_offset;		/* offset from IOCTL_MEM_OFFSET */
    	int nr_pins;		/* number of pins to set this way */
    	int bit_or;		/* or in the value instead of overwrite */
    	u_long val;		/* value to write or or */
    }iopin_t;
    
    void iopin_initialize(iopin_t *,int);
    
    
    /*
     * support to adjust individual parts of the IO pin setup
     */
    
    #define IO_PIN_OVER_EACH	(1 << 0) /* for compatibility */
    #define IO_PIN_OVER_FMUX	(1 << 1)
    #define IO_PIN_OVER_HOLD	(1 << 2)
    #define IO_PIN_OVER_PULL	(1 << 3)
    #define IO_PIN_OVER_STRIG	(1 << 4)
    #define IO_PIN_OVER_DRVSTR	(1 << 5)
    
    void iopin_initialize_bits(iopin_t *, int);
    
    
    /*
     * IIM
     */
    typedef struct iim512x {
    
    	u32 stat;		/* IIM status register */
    	u32 statm;		/* IIM status IRQ mask */
    	u32 err;		/* IIM errors register */
    	u32 emask;		/* IIM error IRQ mask  */
    	u32 fctl;		/* IIM fuse control register */
    	u32 ua;			/* IIM upper address register */
    	u32 la;			/* IIM lower address register */
    	u32 sdat;		/* IIM explicit sense data */
    	u8 res0[0x08];
    	u32 prg_p;		/* IIM program protection register */
    	u8 res1[0x10];
    	u32 divide;		/* IIM divide factor register */
    	u8 res2[0x7c0];
    	u32 fbac0;		/* IIM fuse bank 0 prot (for Freescale use) */
    	u32 fb0w0[0x1f];	/* IIM fuse bank 0 data (for Freescale use) */
    	u8 res3[0x380];
    	u32 fbac1;		/* IIM fuse bank 1 protection */
    	u32 fb1w1[0x01f];	/* IIM fuse bank 1 data */
    	u8 res4[0x380];
    
    } iim512x_t;
    
    /*
     * LPC
     */
    typedef struct lpc512x {
    	u32	cs_cfg[8];	/* Chip Select N Configuration Registers
    				   No dedicated entry for CS Boot as == CS0 */
    	u32	cs_cr;		/* Chip Select Control Register */
    	u32	cs_sr;		/* Chip Select Status Register */
    	u32	cs_bcr;		/* Chip Select Burst Control Register */
    	u32	cs_dccr;	/* Chip Select Deadcycle Control Register */
    	u32	cs_hccr;	/* Chip Select Holdcycle Control Register */
    
    	u32	altr;		/* Address Latch Timing Register */
    	u8	res0[0xc8];
    
    	u32	sclpc_psr;	/* SCLPC Packet Size Register */
    	u32	sclpc_sar;	/* SCLPC Start Address Register */
    	u32	sclpc_cr;	/* SCLPC Control Register */
    	u32	sclpc_er;	/* SCLPC Enable Register */
    	u32	sclpc_nar;	/* SCLPC NextAddress Register */
    	u32	sclpc_sr;	/* SCLPC Status Register */
    	u32	sclpc_bdr;	/* SCLPC Bytes Done Register */
    	u32	emb_scr;	/* EMB Share Counter Register */
    	u32	emb_pcr;	/* EMB Pause Control Register */
    	u8	res1[0x1c];
    	u32	lpc_fdwr;	/* LPC RX/TX FIFO Data Word Register */
    	u32	lpc_fsr;	/* LPC RX/TX FIFO Status Register */
    	u32	lpc_cr;		/* LPC RX/TX FIFO Control Register */
    	u32	lpc_ar;		/* LPC RX/TX FIFO Alarm Register */
    	u8	res2[0xb0];
    } lpc512x_t;
    
    /*
     * PATA
     */
    typedef struct pata512x {
    
    	/* LOCAL Registers */
    	u32 pata_time1;		/* Time register 1: PIO and tx timing parameter */
    	u32 pata_time2;		/* Time register 2: PIO timing parameter */
    	u32 pata_time3;		/* Time register 3: PIO and MDMA timing parameter */
    	u32 pata_time4;		/* Time register 4: MDMA and UDMA timing parameter */
    	u32 pata_time5;		/* Time register 5: UDMA timing parameter */
    	u32 pata_time6;		/* Time register 6: UDMA timing parameter */
    	u32 pata_fifo_data32;   /* 32bit wide dataport to/from FIFO */
    	u32 pata_fifo_data16;   /* 16bit wide dataport to/from FIFO */
    	u32 pata_fifo_fill;	/* FIFO filling in halfwords (READONLY)*/
    	u32 pata_ata_control;   /* ATA Interface control register */
    	u32 pata_irq_pending;   /* Interrupt pending register (READONLY) */
    	u32 pata_irq_enable;	/* Interrupt enable register */
    	u32 pata_irq_clear;	/* Interrupt clear register (WRITEONLY)*/
    	u32 pata_fifo_alarm;	/* fifo alarm threshold */
    	u32 res1[0x1A];
    	/* DRIVE Registers */
    	u32 pata_drive_data;	/* drive data register*/
    	u32 pata_drive_features;/* drive features register */
    	u32 pata_drive_sectcnt; /* drive sector count register */
    	u32 pata_drive_sectnum; /* drive sector number register */
    	u32 pata_drive_cyllow;  /* drive cylinder low register */
    	u32 pata_drive_cylhigh; /* drive cylinder high register */
    	u32 pata_drive_dev_head;/* drive device head register */
    	u32 pata_drive_command; /* write = drive command, read = drive status reg */
    	u32 res2[0x06];
    	u32 pata_drive_alt_stat;/* write = drive control, read = drive alt status reg */
    	u32 res3[0x09];
    
    } pata512x_t;
    
    /*
     * PSC
     */
    typedef struct psc512x {
    	volatile u8	mode;		/* PSC + 0x00 */
    	volatile u8	res0[3];
    	union {				/* PSC + 0x04 */
    		volatile u16	status;
    		volatile u16	clock_select;
    	} sr_csr;
    #define psc_status	sr_csr.status
    #define psc_clock_select sr_csr.clock_select
    	volatile u16	res1;
    	volatile u8	command;	/* PSC + 0x08 */
    	volatile u8	res2[3];
    	union {				/* PSC + 0x0c */
    		volatile u8	buffer_8;