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      1 /*	$NetBSD: i80321reg.h,v 1.17 2007/10/17 19:53:43 garbled Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *	This product includes software developed for the NetBSD Project by
     20  *	Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _ARM_XSCALE_I80321REG_H_
     39 #define _ARM_XSCALE_I80321REG_H_
     40 
     41 /*
     42  * Register definitions for the Intel 80321 (``Verde'') I/O processor,
     43  * based on the XScale core.
     44  */
     45 
     46 /*
     47  * Base i80321 memory map:
     48  *
     49  *	0x0000.0000 - 0x7fff.ffff	ATU Outbound Direct Addressing Window
     50  *	0x8000.0000 - 0x9001.ffff	ATU Outbound Translation Windows
     51  *	0x9002.0000 - 0xffff.dfff	External Memory
     52  *	0xffff.e000 - 0xffff.e8ff	Peripheral Memory Mapped Registers
     53  *	0xffff.e900 - 0xffff.ffff	Reserved
     54  */
     55 
     56 #define	VERDE_OUT_DIRECT_WIN_BASE	0x00000000UL
     57 #define	VERDE_OUT_DIRECT_WIN_SIZE	0x80000000UL
     58 #define VERDE_OUT_DIRECT_WIN_SKIP	0x10000000UL
     59 
     60 #define	VERDE_OUT_XLATE_MEM_WIN_SIZE	0x04000000UL
     61 #define	VERDE_OUT_XLATE_IO_WIN_SIZE	0x00010000UL
     62 
     63 #define	VERDE_OUT_XLATE_MEM_WIN0_BASE	0x80000000UL
     64 #define	VERDE_OUT_XLATE_MEM_WIN1_BASE	0x84000000UL
     65 
     66 #define	VERDE_OUT_XLATE_IO_WIN0_BASE	0x90000000UL
     67 
     68 #define	VERDE_EXTMEM_BASE		0x90020000UL
     69 
     70 #define	VERDE_PMMR_BASE			0xffffe000UL
     71 #define	VERDE_PMMR_SIZE			0x00001700UL
     72 
     73 /*
     74  * Peripheral Memory Mapped Registers.  Defined as offsets
     75  * from the VERDE_PMMR_BASE.
     76  */
     77 #define	VERDE_ATU_BASE			0x0100
     78 #define	VERDE_ATU_SIZE			0x0100
     79 
     80 #define	VERDE_MU_BASE			0x0300
     81 #define	VERDE_MU_SIZE			0x0100
     82 
     83 #define	VERDE_DMA_BASE			0x0400
     84 #define	VERDE_DMA_BASE0			(VERDE_DMA_BASE + 0x00)
     85 #define	VERDE_DMA_BASE1			(VERDE_DMA_BASE + 0x40)
     86 #define	VERDE_DMA_SIZE			0x0100
     87 #define	VERDE_DMA_CHSIZE		0x0040
     88 
     89 #define	VERDE_MCU_BASE			0x0500
     90 #define	VERDE_MCU_SIZE			0x0100
     91 
     92 #define	VERDE_SSP_BASE			0x0600
     93 #define	VERDE_SSP_SIZE			0x0080
     94 
     95 #define	VERDE_PBIU_BASE			0x0680
     96 #define	VERDE_PBIU_SIZE			0x0080
     97 
     98 #define	VERDE_AAU_BASE			0x0800
     99 #define	VERDE_AAU_SIZE			0x0100
    100 
    101 #define	VERDE_I2C_BASE			0x1680
    102 #define	VERDE_I2C_BASE0			(VERDE_I2C_BASE + 0x00)
    103 #define	VERDE_I2C_BASE1			(VERDE_I2C_BASE + 0x20)
    104 #define	VERDE_I2C_SIZE			0x0080
    105 #define	VERDE_I2C_CHSIZE		0x0020
    106 
    107 /*
    108  * Address Translation Unit
    109  */
    110 	/* 0x00 - 0x38 -- PCI configuration space header */
    111 #define	ATU_IALR0	0x40	/* Inbound ATU Limit 0 */
    112 #define	ATU_IATVR0	0x44	/* Inbound ATU Xlate Value 0 */
    113 #define	ATU_ERLR	0x48	/* Expansion ROM Limit */
    114 #define	ATU_ERTVR	0x4c	/* Expansion ROM Xlate Value */
    115 #define	ATU_IALR1	0x50	/* Inbound ATU Limit 1 */
    116 #define	ATU_IALR2	0x54	/* Inbound ATU Limit 2 */
    117 #define	ATU_IATVR2	0x58	/* Inbound ATU Xlate Value 2 */
    118 #define	ATU_OIOWTVR	0x5c	/* Outbound I/O Window Xlate Value */
    119 #define	ATU_OMWTVR0	0x60	/* Outbound Mem Window Xlate Value 0 */
    120 #define	ATU_OUMWTVR0	0x64	/* Outbound Mem Window Xlate Value 0 Upper */
    121 #define	ATU_OMWTVR1	0x68	/* Outbound Mem Window Xlate Value 1 */
    122 #define	ATU_OUMWTVR1	0x6c	/* Outbound Mem Window Xlate Value 1 Upper */
    123 #define	ATU_OUDWTVR	0x78	/* Outbound Mem Direct Xlate Value Upper */
    124 #define	ATU_ATUCR	0x80	/* ATU Configuration */
    125 #define	ATU_PCSR	0x84	/* PCI Configuration and Status */
    126 #define	ATU_ATUISR	0x88	/* ATU Interrupt Status */
    127 #define	ATU_ATUIMR	0x8c	/* ATU Interrupt Mask */
    128 #define	ATU_IABAR3	0x90	/* Inbound ATU Base Address 3 */
    129 #define	ATU_IAUBAR3	0x94	/* Inbound ATU Base Address 3 Upper */
    130 #define	ATU_IALR3	0x98	/* Inbound ATU Limit 3 */
    131 #define	ATU_IATVR3	0x9c	/* Inbound ATU Xlate Value 3 */
    132 #define	ATU_OCCAR	0xa4	/* Outbound Configuration Cycle Address */
    133 #define	ATU_OCCDR	0xac	/* Outbound Configuration Cycle Data */
    134 #define	ATU_MSI_PORT	0xb4	/* MSI port */
    135 #define	ATU_PDSCR	0xbc	/* PCI Bus Drive Strength Control */
    136 #define	ATU_PCI_X_CAP_ID 0xe0	/* (1) */
    137 #define	ATU_PCI_X_NEXT	0xe1	/* (1) */
    138 #define	ATU_PCIXCMD	0xe2	/* PCI-X Command Register (2) */
    139 #define	ATU_PCIXSR	0xe4	/* PCI-X Status Register */
    140 
    141 #define	ATUCR_DRC_ALIAS		(1U << 19)
    142 #define	ATUCR_DAU2GXEN		(1U << 18)
    143 #define	ATUCR_P_SERR_MA		(1U << 16)
    144 #define	ATUCR_DTS		(1U << 15)
    145 #define	ATUCR_P_SERR_DIE	(1U << 9)
    146 #define	ATUCR_DAE		(1U << 8)
    147 #define	ATUCR_BIST_IE		(1U << 3)
    148 #define	ATUCR_OUT_EN		(1U << 1)
    149 
    150 #define	PCSR_DAAAPE		(1U << 18)
    151 #define	PCSR_PCI_X_CAP		(3U << 16)
    152 #define	PCSR_PCI_X_CAP_BORING	(0 << 16)
    153 #define	PCSR_PCI_X_CAP_66	(1U << 16)
    154 #define	PCSR_PCI_X_CAP_100	(2U << 16)
    155 #define	PCSR_PCI_X_CAP_133	(3U << 16)
    156 #define	PCSR_OTQB		(1U << 15)
    157 #define	PCSR_IRTQB		(1U << 14)
    158 #define	PCSR_DTV		(1U << 12)
    159 #define	PCSR_BUS66		(1U << 10)
    160 #define	PCSR_BUS64		(1U << 8)
    161 #define	PCSR_RIB		(1U << 5)
    162 #define	PCSR_RPB		(1U << 4)
    163 #define	PCSR_CCR		(1U << 2)
    164 #define	PCSR_CPR		(1U << 1)
    165 
    166 #define	ATUISR_IMW1BU		(1U << 14)
    167 #define	ATUISR_ISCEM		(1U << 13)
    168 #define	ATUISR_RSCEM		(1U << 12)
    169 #define	ATUISR_PST		(1U << 11)
    170 #define	ATUISR_P_SERR_ASRT	(1U << 10)
    171 #define	ATUISR_DPE		(1U << 9)
    172 #define	ATUISR_BIST		(1U << 8)
    173 #define	ATUISR_IBMA		(1U << 7)
    174 #define	ATUISR_P_SERR_DET	(1U << 4)
    175 #define	ATUISR_PMA		(1U << 3)
    176 #define	ATUISR_PTAM		(1U << 2)
    177 #define	ATUISR_PTAT		(1U << 1)
    178 #define	ATUISR_PMPE		(1U << 0)
    179 
    180 #define	ATUIMR_IMW1BU		(1U << 11)
    181 #define	ATUIMR_ISCEM		(1U << 10)
    182 #define	ATUIMR_RSCEM		(1U << 9)
    183 #define	ATUIMR_PST		(1U << 8)
    184 #define	ATUIMR_DPE		(1U << 7)
    185 #define	ATUIMR_P_SERR_ASRT	(1U << 6)
    186 #define	ATUIMR_PMA		(1U << 5)
    187 #define	ATUIMR_PTAM		(1U << 4)
    188 #define	ATUIMR_PTAT		(1U << 3)
    189 #define	ATUIMR_PMPE		(1U << 2)
    190 #define	ATUIMR_IE_SERR_EN	(1U << 1)
    191 #define	ATUIMR_ECC_TAE		(1U << 0)
    192 
    193 #define	PCIXCMD_MOST_1		(0 << 4)
    194 #define	PCIXCMD_MOST_2		(1 << 4)
    195 #define	PCIXCMD_MOST_3		(2 << 4)
    196 #define	PCIXCMD_MOST_4		(3 << 4)
    197 #define	PCIXCMD_MOST_8		(4 << 4)
    198 #define	PCIXCMD_MOST_12		(5 << 4)
    199 #define	PCIXCMD_MOST_16		(6 << 4)
    200 #define	PCIXCMD_MOST_32		(7 << 4)
    201 #define	PCIXCMD_MOST_MASK	(7 << 4)
    202 #define	PCIXCMD_MMRBC_512	(0 << 2)
    203 #define	PCIXCMD_MMRBC_1024	(1 << 2)
    204 #define	PCIXCMD_MMRBC_2048	(2 << 2)
    205 #define	PCIXCMD_MMRBC_4096	(3 << 2)
    206 #define	PCIXCMD_MMRBC_MASK	(3 << 2)
    207 #define	PCIXCMD_ERO		(1U << 1)
    208 #define	PCIXCMD_DPERE		(1U << 0)
    209 
    210 #define	PCIXSR_RSCEM		(1U << 29)
    211 #define	PCIXSR_DMCRS_MASK	(7 << 26)
    212 #define	PCIXSR_DMOST_MASK	(7 << 23)
    213 #define	PCIXSR_COMPLEX		(1U << 20)
    214 #define	PCIXSR_USC		(1U << 19)
    215 #define	PCIXSR_SCD		(1U << 18)
    216 #define	PCIXSR_133_CAP		(1U << 17)
    217 #define	PCIXSR_32PCI		(1U << 16)	/* 0 = 32, 1 = 64 */
    218 #define	PCIXSR_BUSNO(x)		(((x) & 0xff00) >> 8)
    219 #define	PCIXSR_DEVNO(x)		(((x) & 0xf8) >> 3)
    220 #define	PCIXSR_FUNCNO(x)	((x) & 0x7)
    221 
    222 /*
    223  * Memory Controller Unit
    224  */
    225 #define	MCU_SDIR		0x00	/* DDR SDRAM Init. Register */
    226 #define	MCU_SDCR		0x04	/* DDR SDRAM Control Register */
    227 #define	MCU_SDBR		0x08	/* SDRAM Base Register */
    228 #define	MCU_SBR0		0x0c	/* SDRAM Boundary 0 */
    229 #define	MCU_SBR1		0x10	/* SDRAM Boundary 1 */
    230 #define	MCU_ECCR		0x34	/* ECC Control Register */
    231 #define	MCU_ELOG0		0x38	/* ECC Log 0 */
    232 #define	MCU_ELOG1		0x3c	/* ECC Log 1 */
    233 #define	MCU_ECAR0		0x40	/* ECC address 0 */
    234 #define	MCU_ECAR1		0x44	/* ECC address 1 */
    235 #define	MCU_ECTST		0x48	/* ECC test register */
    236 #define	MCU_MCISR		0x4c	/* MCU Interrupt Status Register */
    237 #define	MCU_RFR			0x50	/* Refresh Frequency Register */
    238 #define	MCU_DBUDSR		0x54	/* Data Bus Pull-up Drive Strength */
    239 #define	MCU_DBDDSR		0x58	/* Data Bus Pull-down Drive Strength */
    240 #define	MCU_CUDSR		0x5c	/* Clock Pull-up Drive Strength */
    241 #define	MCU_CDDSR		0x60	/* Clock Pull-down Drive Strength */
    242 #define	MCU_CEUDSR		0x64	/* Clock En Pull-up Drive Strength */
    243 #define	MCU_CEDDSR		0x68	/* Clock En Pull-down Drive Strength */
    244 #define	MCU_CSUDSR		0x6c	/* Chip Sel Pull-up Drive Strength */
    245 #define	MCU_CSDDSR		0x70	/* Chip Sel Pull-down Drive Strength */
    246 #define	MCU_REUDSR		0x74	/* Rx En Pull-up Drive Strength */
    247 #define	MCU_REDDSR		0x78	/* Rx En Pull-down Drive Strength */
    248 #define	MCU_ABUDSR		0x7c	/* Addr Bus Pull-up Drive Strength */
    249 #define	MCU_ABDDSR		0x80	/* Addr Bus Pull-down Drive Strength */
    250 #define	MCU_DSDR		0x84	/* Data Strobe Delay Register */
    251 #define	MCU_REDR		0x88	/* Rx Enable Delay Register */
    252 
    253 #define	SDCR_DIMMTYPE		(1U << 1)	/* 0 = unbuf, 1 = reg */
    254 #define	SDCR_BUSWIDTH		(1U << 2)	/* 0 = 64, 1 = 32 */
    255 
    256 #define	SBRx_TECH		(1U << 31)
    257 #define	SBRx_BOUND		0x0000003f
    258 
    259 #define	ECCR_SBERE		(1U << 0)
    260 #define	ECCR_MBERE		(1U << 1)
    261 #define	ECCR_SBECE		(1U << 2)
    262 #define	ECCR_ECCEN		(1U << 3)
    263 
    264 #define	ELOGx_SYNDROME		0x000000ff
    265 #define	ELOGx_ERRTYPE		(1U << 8)	/* 1 = multi-bit */
    266 #define	ELOGx_RW		(1U << 12)	/* 1 = write error */
    267 	/*
    268 	 * Dev ID	Func		Requester
    269 	 * 2		0		XScale core
    270 	 * 2		1		ATU
    271 	 * 13		0		DMA channel 0
    272 	 * 13		1		DMA channel 1
    273 	 * 26		0		ATU
    274 	 */
    275 #define	ELOGx_REQ_DEV(x)	(((x) >> 19) & 0x1f)
    276 #define	ELOGx_REQ_FUNC(x)	(((x) >> 16) & 0x3)
    277 
    278 #define	MCISR_ECC_ERR0		(1U << 0)
    279 #define	MCISR_ECC_ERR1		(1U << 1)
    280 #define	MCISR_ECC_ERRN		(1U << 2)
    281 
    282 /*
    283  * Timers
    284  *
    285  * The i80321 timer registers are available in both memory-mapped
    286  * and coprocessor spaces.  Most of the registers are read-only
    287  * if memory-mapped, so we access them via coprocessor space.
    288  *
    289  *	TMR0	cp6 c0,1	0xffffe7e0
    290  *	TMR1	cp6 c1,1	0xffffe7e4
    291  *	TCR0	cp6 c2,1	0xffffe7e8
    292  *	TCR1	cp6 c3,1	0xffffe7ec
    293  *	TRR0	cp6 c4,1	0xffffe7f0
    294  *	TRR1	cp6 c5,1	0xffffe7f4
    295  *	TISR	cp6 c6,1	0xffffe7f8
    296  *	WDTCR	cp6 c7,1	0xffffe7fc
    297  */
    298 
    299 #define	TMRx_TC			(1U << 0)
    300 #define	TMRx_ENABLE		(1U << 1)
    301 #define	TMRx_RELOAD		(1U << 2)
    302 #define	TMRx_CSEL_CORE		(0 << 4)
    303 #define	TMRx_CSEL_CORE_div4	(1 << 4)
    304 #define	TMRx_CSEL_CORE_div8	(2 << 4)
    305 #define	TMRx_CSEL_CORE_div16	(3 << 4)
    306 
    307 #define	TISR_TMR0		(1U << 0)
    308 #define	TISR_TMR1		(1U << 1)
    309 
    310 #define	WDTCR_ENABLE1		0x1e1e1e1e
    311 #define	WDTCR_ENABLE2		0xe1e1e1e1
    312 
    313 /*
    314  * Interrupt Controller Unit.
    315  *
    316  *	INTCTL	cp6 c0,0	0xffffe7d0
    317  *	INTSTR	cp6 c4,0	0xffffe7d4
    318  *	IINTSRC	cp6 c8,0	0xffffe7d8
    319  *	FINTSRC	cp6 c9,0	0xffffe7dc
    320  *	PIRSR			0xffffe1ec
    321  */
    322 
    323 #define	ICU_PIRSR		0x01ec
    324 #define	ICU_GPOE		0x07c4
    325 #define	ICU_GPID		0x07c8
    326 #define	ICU_GPOD		0x07cc
    327 
    328 /*
    329  * NOTE: WE USE THE `bitXX' BITS TO INDICATE PENDING SOFTWARE
    330  * INTERRUPTS.  See i80321_icu.c
    331  */
    332 #define	ICU_INT_HPI		31	/* high priority interrupt */
    333 #define	ICU_INT_XINT0		27	/* external interrupts */
    334 #define	ICU_INT_XINT(x)		((x) + ICU_INT_XINT0)
    335 #define	ICU_INT_bit26		26
    336 #define	ICU_INT_SSP		25	/* SSP serial port */
    337 #define	ICU_INT_MUE		24	/* msg unit error */
    338 #define	ICU_INT_AAUE		23	/* AAU error */
    339 #define	ICU_INT_bit22		22
    340 #define	ICU_INT_DMA1E		21	/* DMA Ch 1 error */
    341 #define	ICU_INT_DMA0E		20	/* DMA Ch 0 error */
    342 #define	ICU_INT_MCUE		19	/* memory controller error */
    343 #define	ICU_INT_ATUE		18	/* ATU error */
    344 #define	ICU_INT_BIUE		17	/* bus interface unit error */
    345 #define	ICU_INT_PMU		16	/* XScale PMU */
    346 #define	ICU_INT_PPM		15	/* peripheral PMU */
    347 #define	ICU_INT_BIST		14	/* ATU Start BIST */
    348 #define	ICU_INT_MU		13	/* messaging unit */
    349 #define	ICU_INT_I2C1		12	/* i2c unit 1 */
    350 #define	ICU_INT_I2C0		11	/* i2c unit 0 */
    351 #define	ICU_INT_TMR1		10	/* timer 1 */
    352 #define	ICU_INT_TMR0		9	/* timer 0 */
    353 #define	ICU_INT_CPPM		8	/* core processor PMU */
    354 #define	ICU_INT_AAU_EOC		7	/* AAU end-of-chain */
    355 #define	ICU_INT_AAU_EOT		6	/* AAU end-of-transfer */
    356 #define	ICU_INT_bit5		5
    357 #define	ICU_INT_bit4		4
    358 #define	ICU_INT_DMA1_EOC	3	/* DMA1 end-of-chain */
    359 #define	ICU_INT_DMA1_EOT	2	/* DMA1 end-of-transfer */
    360 #define	ICU_INT_DMA0_EOC	1	/* DMA0 end-of-chain */
    361 #define	ICU_INT_DMA0_EOT	0	/* DMA0 end-of-transfer */
    362 
    363 #define	ICU_INT_HWMASK		(0xffffffff & \
    364 					~((1 << ICU_INT_bit26) | \
    365 					  (1 << ICU_INT_bit22) | \
    366 					  (1 << ICU_INT_bit5)  | \
    367 					  (1 << ICU_INT_bit4)))
    368 
    369 /*
    370  * SSP Serial Port
    371  */
    372 
    373 #define	SSP_SSCR0	0x00		/* SSC control 0 */
    374 #define	SSP_SSCR1	0x04		/* SSC control 1 */
    375 #define	SSP_SSSR	0x08		/* SSP status */
    376 #define	SSP_SSITR	0x0c		/* SSP interrupt test */
    377 #define	SSP_SSDR	0x10		/* SSP data */
    378 
    379 #define	SSP_SSCR0_DSIZE(x)	((x) - 1)/* data size: 4..16 */
    380 #define	SSP_SSCR0_FRF_SPI	(0 << 4) /* Motorola Serial Periph Iface */
    381 #define	SSP_SSCR0_FRF_SSP	(1U << 4)/* TI Sync. Serial Protocol */
    382 #define	SSP_SSCR0_FRF_UWIRE	(2U << 4)/* NatSemi Microwire */
    383 #define	SSP_SSCR0_FRF_rsvd	(3U << 4)/* reserved */
    384 #define	SSP_SSCR0_ECS		(1U << 6)/* external clock select */
    385 #define	SSP_SSCR0_SSE		(1U << 7)/* sync. serial port enable */
    386 #define	SSP_SSCR0_SCR(x)	((x) << 8)/* serial clock rate */
    387 					  /* bit rate = 3.6864 * 10e6 /
    388 					        (2 * (SCR + 1)) */
    389 
    390 #define	SSP_SSCR1_RIE		(1U << 0)/* Rx FIFO interrupt enable */
    391 #define	SSP_SSCR1_TIE		(1U << 1)/* Tx FIFO interrupt enable */
    392 #define	SSP_SSCR1_LBM		(1U << 2)/* loopback mode enable */
    393 #define	SSP_SSCR1_SPO		(1U << 3)/* Moto SPI SSCLK pol. (1 = high) */
    394 #define	SSP_SSCR1_SPH		(1U << 4)/* Moto SPI SSCLK phase:
    395 					    0 = inactive full at start,
    396 						1/2 at end of frame
    397 					    1 = inactive 1/2 at start,
    398 						full at end of frame */
    399 #define	SSP_SSCR1_MWDS		(1U << 5)/* Microwire data size:
    400 					    0 = 8 bit
    401 					    1 = 16 bit */
    402 #define	SSP_SSCR1_TFT		(((x) - 1) << 6) /* Tx FIFO threshold */
    403 #define	SSP_SSCR1_RFT		(((x) - 1) << 10)/* Rx FIFO threshold */
    404 #define	SSP_SSCR1_EFWR		(1U << 14)/* enab. FIFO write/read */
    405 #define	SSP_SSCR1_STRF		(1U << 15)/* FIFO write/read FIFO select:
    406 					     0 = Tx FIFO
    407 					     1 = Rx FIFO */
    408 
    409 #define	SSP_SSSR_TNF		(1U << 2)/* Tx FIFO not full */
    410 #define	SSP_SSSR_RNE		(1U << 3)/* Rx FIFO not empty */
    411 #define	SSP_SSSR_BSY		(1U << 4)/* SSP is busy */
    412 #define	SSP_SSSR_TFS		(1U << 5)/* Tx FIFO service request */
    413 #define	SSP_SSSR_RFS		(1U << 6)/* Rx FIFO service request */
    414 #define	SSP_SSSR_ROR		(1U << 7)/* Rx FIFO overrun */
    415 #define	SSP_SSSR_TFL(x)		(((x) >> 8) & 0xf) /* Tx FIFO level */
    416 #define	SSP_SSSR_RFL(x)		(((x) >> 12) & 0xf)/* Rx FIFO level */
    417 
    418 #define	SSP_SSITR_TTFS		(1U << 5)/* Test Tx FIFO service */
    419 #define	SSP_SSITR_TRFS		(1U << 6)/* Test Rx FIFO service */
    420 #define	SSP_SSITR_TROR		(1U << 7)/* Test Rx overrun */
    421 
    422 /*
    423  * Peripheral Bus Interface Unit
    424  */
    425 
    426 #define PBIU_PBCR		0x00	/* PBIU Control Register */
    427 #define PBIU_PBBAR0		0x08	/* PBIU Base Address Register 0 */
    428 #define PBIU_PBLR0		0x0c	/* PBIU Limit Register 0 */
    429 #define PBIU_PBBAR1		0x10	/* PBIU Base Address Register 1 */
    430 #define PBIU_PBLR1		0x14	/* PBIU Limit Register 1 */
    431 #define PBIU_PBBAR2		0x18	/* PBIU Base Address Register 2 */
    432 #define PBIU_PBLR2		0x1c	/* PBIU Limit Register 2 */
    433 #define PBIU_PBBAR3		0x20	/* PBIU Base Address Register 3 */
    434 #define PBIU_PBLR3		0x24	/* PBIU Limit Register 3 */
    435 #define PBIU_PBBAR4		0x28	/* PBIU Base Address Register 4 */
    436 #define PBIU_PBLR4		0x2c	/* PBIU Limit Register 4 */
    437 #define PBIU_PBBAR5		0x30	/* PBIU Base Address Register 5 */
    438 #define PBIU_PBLR5		0x34	/* PBIU Limit Register 5 */
    439 #define PBIU_DSCR		0x38	/* PBIU Drive Strength Control Reg. */
    440 #define PBIU_MBR0		0x40	/* PBIU Memory-less Boot Reg. 0 */
    441 #define PBIU_MBR1		0x60	/* PBIU Memory-less Boot Reg. 1 */
    442 #define PBIU_MBR2		0x64	/* PBIU Memory-less Boot Reg. 2 */
    443 
    444 #define	PBIU_PBCR_PBIEN		(1 << 0)
    445 #define	PBIU_PBCR_PBI100	(1 << 1)
    446 #define	PBIU_PBCR_PBI66		(2 << 1)
    447 #define	PBIU_PBCR_PBI33		(3 << 1)
    448 #define	PBIU_PBCR_PBBEN		(1 << 3)
    449 
    450 #define	PBIU_PBARx_WIDTH8	(0 << 0)
    451 #define	PBIU_PBARx_WIDTH16	(1 << 0)
    452 #define	PBIU_PBARx_WIDTH32	(2 << 0)
    453 #define	PBIU_PBARx_ADWAIT4	(0 << 2)
    454 #define	PBIU_PBARx_ADWAIT8	(1 << 2)
    455 #define	PBIU_PBARx_ADWAIT12	(2 << 2)
    456 #define	PBIU_PBARx_ADWAIT16	(3 << 2)
    457 #define	PBIU_PBARx_ADWAIT20	(4 << 2)
    458 #define	PBIU_PBARx_RCWAIT1	(0 << 6)
    459 #define	PBIU_PBARx_RCWAIT4	(1 << 6)
    460 #define	PBIU_PBARx_RCWAIT8	(2 << 6)
    461 #define	PBIU_PBARx_RCWAIT12	(3 << 6)
    462 #define	PBIU_PBARx_RCWAIT16	(4 << 6)
    463 #define	PBIU_PBARx_RCWAIT20	(5 << 6)
    464 #define	PBIU_PBARx_FWE		(1 << 9)
    465 #define	PBIU_BASE_MASK		0xfffff000U
    466 
    467 #define	PBIU_PBLRx_SIZE(x)	(~((x) - 1))
    468 
    469 /*
    470  * Messaging Unit
    471  */
    472 #define MU_IMR0			0x0010	/* MU Inbound Message Register 0 */
    473 #define MU_IMR1			0x0014	/* MU Inbound Message Register 1 */
    474 #define MU_OMR0			0x0018	/* MU Outbound Message Register 0 */
    475 #define MU_OMR1			0x001c	/* MU Outbound Message Register 1 */
    476 #define MU_IDR			0x0020	/* MU Inbound Doorbell Register */
    477 #define MU_IISR			0x0024	/* MU Inbound Interrupt Status Reg */
    478 #define MU_IIMR			0x0028	/* MU Inbound Interrupt Mask Reg */
    479 #define MU_ODR			0x002c	/* MU Outbound Doorbell Register */
    480 #define MU_OISR			0x0030	/* MU Outbound Interrupt Status Reg */
    481 #define MU_OIMR			0x0034	/* MU Outbound Interrupt Mask Reg */
    482 #define MU_MUCR			0x0050	/* MU Configuration Register */
    483 #define MU_QBAR			0x0054	/* MU Queue Base Address Register */
    484 #define MU_IFHPR		0x0060	/* MU Inbound Free Head Pointer Reg */
    485 #define MU_IFTPR		0x0064	/* MU Inbound Free Tail Pointer Reg */
    486 #define MU_IPHPR		0x0068	/* MU Inbound Post Head Pointer Reg */
    487 #define MU_IPTPR		0x006c	/* MU Inbound Post Tail Pointer Reg */
    488 #define MU_OFHPR		0x0070	/* MU Outbound Free Head Pointer Reg */
    489 #define MU_OFTPR		0x0074	/* MU Outbound Free Tail Pointer Reg */
    490 #define MU_OPHPR		0x0078	/* MU Outbound Post Head Pointer Reg */
    491 #define MU_OPTPR		0x007c	/* MU Outbound Post Tail Pointer Reg */
    492 #define MU_IAR			0x0080	/* MU Index Address Register */
    493 
    494 #define MU_IIMR_IRI	(1 << 6)	/* Index Register Interrupt */
    495 #define MU_IIMR_OFQFI	(1 << 5)	/* Outbound Free Queue Full Int. */
    496 #define MU_IIMR_IPQI	(1 << 4)	/* Inbound Post Queue Interrupt */
    497 #define MU_IIMR_EDI	(1 << 3)	/* Error Doorbell Interrupt */
    498 #define MU_IIMR_IDI	(1 << 2)	/* Inbound Doorbell Interrupt */
    499 #define MU_IIMR_IM1I	(1 << 1)	/* Inbound Message 1 Interrupt */
    500 #define MU_IIMR_IM0I	(1 << 0)	/* Inbound Message 0 Interrupt */
    501 
    502 #endif /* _ARM_XSCALE_I80321REG_H_ */
    503