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      1 /*
      2  *
      3  * BRIEF MODULE DESCRIPTION
      4  *	Include file for Alchemy Semiconductor's Au1k CPU.
      5  *
      6  * Copyright 2004 Embedded Edge, LLC
      7  *	dan (at) embeddededge.com
      8  *
      9  *  This program is free software; you can redistribute  it and/or modify it
     10  *  under  the terms of  the GNU General  Public License as published by the
     11  *  Free Software Foundation;  either version 2 of the  License, or (at your
     12  *  option) any later version.
     13  *
     14  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
     15  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
     16  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
     17  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
     18  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     19  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
     20  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     21  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
     22  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  *
     25  *  You should have received a copy of the  GNU General Public License along
     26  *  with this program; if not, write  to the Free Software Foundation, Inc.,
     27  *  675 Mass Ave, Cambridge, MA 02139, USA.
     28  */
     29 
     30 /* Specifics for the Au1xxx Programmable Serial Controllers, first
     31  * seen in the AU1550 part.
     32  */
     33 #ifndef _AU1000_PSC_H_
     34 #define _AU1000_PSC_H_
     35 
     36 /* The PSC base addresses.  */
     37 #ifdef CONFIG_SOC_AU1550
     38 #define PSC0_BASE_ADDR		0xb1a00000
     39 #define PSC1_BASE_ADDR		0xb1b00000
     40 #define PSC2_BASE_ADDR		0xb0a00000
     41 #define PSC3_BASE_ADDR		0xb0b00000
     42 #endif
     43 
     44 #ifdef CONFIG_SOC_AU1200
     45 #define PSC0_BASE_ADDR		0xb1a00000
     46 #define PSC1_BASE_ADDR		0xb1b00000
     47 #endif
     48 
     49 /*
     50  * The PSC select and control registers are common to all protocols.
     51  */
     52 #define PSC_SEL_OFFSET		0x00000000
     53 #define PSC_CTRL_OFFSET		0x00000004
     54 
     55 #define PSC_SEL_CLK_MASK	(3 << 4)
     56 #define PSC_SEL_CLK_INTCLK	(0 << 4)
     57 #define PSC_SEL_CLK_EXTCLK	(1 << 4)
     58 #define PSC_SEL_CLK_SERCLK	(2 << 4)
     59 
     60 #define PSC_SEL_PS_MASK		0x00000007
     61 #define PSC_SEL_PS_DISABLED	0
     62 #define PSC_SEL_PS_SPIMODE	2
     63 #define PSC_SEL_PS_I2SMODE	3
     64 #define PSC_SEL_PS_AC97MODE	4
     65 #define PSC_SEL_PS_SMBUSMODE	5
     66 
     67 #define PSC_CTRL_DISABLE	0
     68 #define PSC_CTRL_SUSPEND	2
     69 #define PSC_CTRL_ENABLE 	3
     70 
     71 /* AC97 Registers. */
     72 #define PSC_AC97CFG_OFFSET	0x00000008
     73 #define PSC_AC97MSK_OFFSET	0x0000000c
     74 #define PSC_AC97PCR_OFFSET	0x00000010
     75 #define PSC_AC97STAT_OFFSET	0x00000014
     76 #define PSC_AC97EVNT_OFFSET	0x00000018
     77 #define PSC_AC97TXRX_OFFSET	0x0000001c
     78 #define PSC_AC97CDC_OFFSET	0x00000020
     79 #define PSC_AC97RST_OFFSET	0x00000024
     80 #define PSC_AC97GPO_OFFSET	0x00000028
     81 #define PSC_AC97GPI_OFFSET	0x0000002c
     82 
     83 #define AC97_PSC_SEL		(AC97_PSC_BASE + PSC_SEL_OFFSET)
     84 #define AC97_PSC_CTRL		(AC97_PSC_BASE + PSC_CTRL_OFFSET)
     85 #define PSC_AC97CFG		(AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
     86 #define PSC_AC97MSK		(AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
     87 #define PSC_AC97PCR		(AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
     88 #define PSC_AC97STAT		(AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
     89 #define PSC_AC97EVNT		(AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
     90 #define PSC_AC97TXRX		(AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
     91 #define PSC_AC97CDC		(AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
     92 #define PSC_AC97RST		(AC97_PSC_BASE + PSC_AC97RST_OFFSET)
     93 #define PSC_AC97GPO		(AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
     94 #define PSC_AC97GPI		(AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
     95 
     96 /* AC97 Config Register. */
     97 #define PSC_AC97CFG_RT_MASK	(3 << 30)
     98 #define PSC_AC97CFG_RT_FIFO1	(0 << 30)
     99 #define PSC_AC97CFG_RT_FIFO2	(1 << 30)
    100 #define PSC_AC97CFG_RT_FIFO4	(2 << 30)
    101 #define PSC_AC97CFG_RT_FIFO8	(3 << 30)
    102 
    103 #define PSC_AC97CFG_TT_MASK	(3 << 28)
    104 #define PSC_AC97CFG_TT_FIFO1	(0 << 28)
    105 #define PSC_AC97CFG_TT_FIFO2	(1 << 28)
    106 #define PSC_AC97CFG_TT_FIFO4	(2 << 28)
    107 #define PSC_AC97CFG_TT_FIFO8	(3 << 28)
    108 
    109 #define PSC_AC97CFG_DD_DISABLE	(1 << 27)
    110 #define PSC_AC97CFG_DE_ENABLE	(1 << 26)
    111 #define PSC_AC97CFG_SE_ENABLE	(1 << 25)
    112 
    113 #define PSC_AC97CFG_LEN_MASK	(0xf << 21)
    114 #define PSC_AC97CFG_TXSLOT_MASK	(0x3ff << 11)
    115 #define PSC_AC97CFG_RXSLOT_MASK	(0x3ff << 1)
    116 #define PSC_AC97CFG_GE_ENABLE	(1)
    117 
    118 /* Enable slots 3-12. */
    119 #define PSC_AC97CFG_TXSLOT_ENA(x)	(1 << (((x) - 3) + 11))
    120 #define PSC_AC97CFG_RXSLOT_ENA(x)	(1 << (((x) - 3) + 1))
    121 
    122 /*
    123  * The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
    124  * The only sensible numbers are 7, 9, or possibly 11.  Nah, just do the
    125  * arithmetic in the macro.
    126  */
    127 #define PSC_AC97CFG_SET_LEN(x)	(((((x) - 2) / 2) & 0xf) << 21)
    128 #define PSC_AC97CFG_GET_LEN(x)	(((((x) >> 21) & 0xf) * 2) + 2)
    129 
    130 /* AC97 Mask Register. */
    131 #define PSC_AC97MSK_GR		(1 << 25)
    132 #define PSC_AC97MSK_CD		(1 << 24)
    133 #define PSC_AC97MSK_RR		(1 << 13)
    134 #define PSC_AC97MSK_RO		(1 << 12)
    135 #define PSC_AC97MSK_RU		(1 << 11)
    136 #define PSC_AC97MSK_TR		(1 << 10)
    137 #define PSC_AC97MSK_TO		(1 << 9)
    138 #define PSC_AC97MSK_TU		(1 << 8)
    139 #define PSC_AC97MSK_RD		(1 << 5)
    140 #define PSC_AC97MSK_TD		(1 << 4)
    141 #define PSC_AC97MSK_ALLMASK	(PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
    142 				 PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
    143 				 PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
    144 				 PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
    145 				 PSC_AC97MSK_RD | PSC_AC97MSK_TD)
    146 
    147 /* AC97 Protocol Control Register. */
    148 #define PSC_AC97PCR_RC		(1 << 6)
    149 #define PSC_AC97PCR_RP		(1 << 5)
    150 #define PSC_AC97PCR_RS		(1 << 4)
    151 #define PSC_AC97PCR_TC		(1 << 2)
    152 #define PSC_AC97PCR_TP		(1 << 1)
    153 #define PSC_AC97PCR_TS		(1 << 0)
    154 
    155 /* AC97 Status register (read only). */
    156 #define PSC_AC97STAT_CB		(1 << 26)
    157 #define PSC_AC97STAT_CP		(1 << 25)
    158 #define PSC_AC97STAT_CR		(1 << 24)
    159 #define PSC_AC97STAT_RF		(1 << 13)
    160 #define PSC_AC97STAT_RE		(1 << 12)
    161 #define PSC_AC97STAT_RR		(1 << 11)
    162 #define PSC_AC97STAT_TF		(1 << 10)
    163 #define PSC_AC97STAT_TE		(1 << 9)
    164 #define PSC_AC97STAT_TR		(1 << 8)
    165 #define PSC_AC97STAT_RB		(1 << 5)
    166 #define PSC_AC97STAT_TB		(1 << 4)
    167 #define PSC_AC97STAT_DI		(1 << 2)
    168 #define PSC_AC97STAT_DR		(1 << 1)
    169 #define PSC_AC97STAT_SR		(1 << 0)
    170 
    171 /* AC97 Event Register. */
    172 #define PSC_AC97EVNT_GR		(1 << 25)
    173 #define PSC_AC97EVNT_CD		(1 << 24)
    174 #define PSC_AC97EVNT_RR		(1 << 13)
    175 #define PSC_AC97EVNT_RO		(1 << 12)
    176 #define PSC_AC97EVNT_RU		(1 << 11)
    177 #define PSC_AC97EVNT_TR		(1 << 10)
    178 #define PSC_AC97EVNT_TO		(1 << 9)
    179 #define PSC_AC97EVNT_TU		(1 << 8)
    180 #define PSC_AC97EVNT_RD		(1 << 5)
    181 #define PSC_AC97EVNT_TD		(1 << 4)
    182 
    183 /* CODEC Command Register. */
    184 #define PSC_AC97CDC_RD		(1 << 25)
    185 #define PSC_AC97CDC_ID_MASK	(3 << 23)
    186 #define PSC_AC97CDC_INDX_MASK	(0x7f << 16)
    187 #define PSC_AC97CDC_ID(x)	(((x) & 0x03) << 23)
    188 #define PSC_AC97CDC_INDX(x)	(((x) & 0x7f) << 16)
    189 
    190 /* AC97 Reset Control Register. */
    191 #define PSC_AC97RST_RST		(1 << 1)
    192 #define PSC_AC97RST_SNC		(1 << 0)
    193 
    194 /* PSC in I2S Mode. */
    195 typedef struct	psc_i2s {
    196 	u32	psc_sel;
    197 	u32	psc_ctrl;
    198 	u32	psc_i2scfg;
    199 	u32	psc_i2smsk;
    200 	u32	psc_i2spcr;
    201 	u32	psc_i2sstat;
    202 	u32	psc_i2sevent;
    203 	u32	psc_i2stxrx;
    204 	u32	psc_i2sudf;
    205 } psc_i2s_t;
    206 
    207 #define PSC_I2SCFG_OFFSET	0x08
    208 #define PSC_I2SMASK_OFFSET	0x0C
    209 #define PSC_I2SPCR_OFFSET	0x10
    210 #define PSC_I2SSTAT_OFFSET	0x14
    211 #define PSC_I2SEVENT_OFFSET	0x18
    212 #define PSC_I2SRXTX_OFFSET	0x1C
    213 #define PSC_I2SUDF_OFFSET	0x20
    214 
    215 /* I2S Config Register. */
    216 #define PSC_I2SCFG_RT_MASK	(3 << 30)
    217 #define PSC_I2SCFG_RT_FIFO1	(0 << 30)
    218 #define PSC_I2SCFG_RT_FIFO2	(1 << 30)
    219 #define PSC_I2SCFG_RT_FIFO4	(2 << 30)
    220 #define PSC_I2SCFG_RT_FIFO8	(3 << 30)
    221 
    222 #define PSC_I2SCFG_TT_MASK	(3 << 28)
    223 #define PSC_I2SCFG_TT_FIFO1	(0 << 28)
    224 #define PSC_I2SCFG_TT_FIFO2	(1 << 28)
    225 #define PSC_I2SCFG_TT_FIFO4	(2 << 28)
    226 #define PSC_I2SCFG_TT_FIFO8	(3 << 28)
    227 
    228 #define PSC_I2SCFG_DD_DISABLE	(1 << 27)
    229 #define PSC_I2SCFG_DE_ENABLE	(1 << 26)
    230 #define PSC_I2SCFG_SET_WS(x)	(((((x) / 2) - 1) & 0x7f) << 16)
    231 #define PSC_I2SCFG_WS(n)	((n & 0xFF) << 16)
    232 #define PSC_I2SCFG_WS_MASK	(PSC_I2SCFG_WS(0x3F))
    233 #define PSC_I2SCFG_WI		(1 << 15)
    234 
    235 #define PSC_I2SCFG_DIV_MASK	(3 << 13)
    236 #define PSC_I2SCFG_DIV2		(0 << 13)
    237 #define PSC_I2SCFG_DIV4		(1 << 13)
    238 #define PSC_I2SCFG_DIV8		(2 << 13)
    239 #define PSC_I2SCFG_DIV16	(3 << 13)
    240 
    241 #define PSC_I2SCFG_BI		(1 << 12)
    242 #define PSC_I2SCFG_BUF		(1 << 11)
    243 #define PSC_I2SCFG_MLJ		(1 << 10)
    244 #define PSC_I2SCFG_XM		(1 << 9)
    245 
    246 /* The word length equation is simply LEN+1. */
    247 #define PSC_I2SCFG_SET_LEN(x)	((((x) - 1) & 0x1f) << 4)
    248 #define PSC_I2SCFG_GET_LEN(x)	((((x) >> 4) & 0x1f) + 1)
    249 
    250 #define PSC_I2SCFG_LB		(1 << 2)
    251 #define PSC_I2SCFG_MLF		(1 << 1)
    252 #define PSC_I2SCFG_MS		(1 << 0)
    253 
    254 /* I2S Mask Register. */
    255 #define PSC_I2SMSK_RR		(1 << 13)
    256 #define PSC_I2SMSK_RO		(1 << 12)
    257 #define PSC_I2SMSK_RU		(1 << 11)
    258 #define PSC_I2SMSK_TR		(1 << 10)
    259 #define PSC_I2SMSK_TO		(1 << 9)
    260 #define PSC_I2SMSK_TU		(1 << 8)
    261 #define PSC_I2SMSK_RD		(1 << 5)
    262 #define PSC_I2SMSK_TD		(1 << 4)
    263 #define PSC_I2SMSK_ALLMASK	(PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
    264 				 PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
    265 				 PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
    266 				 PSC_I2SMSK_RD | PSC_I2SMSK_TD)
    267 
    268 /* I2S Protocol Control Register. */
    269 #define PSC_I2SPCR_RC		(1 << 6)
    270 #define PSC_I2SPCR_RP		(1 << 5)
    271 #define PSC_I2SPCR_RS		(1 << 4)
    272 #define PSC_I2SPCR_TC		(1 << 2)
    273 #define PSC_I2SPCR_TP		(1 << 1)
    274 #define PSC_I2SPCR_TS		(1 << 0)
    275 
    276 /* I2S Status register (read only). */
    277 #define PSC_I2SSTAT_RF		(1 << 13)
    278 #define PSC_I2SSTAT_RE		(1 << 12)
    279 #define PSC_I2SSTAT_RR		(1 << 11)
    280 #define PSC_I2SSTAT_TF		(1 << 10)
    281 #define PSC_I2SSTAT_TE		(1 << 9)
    282 #define PSC_I2SSTAT_TR		(1 << 8)
    283 #define PSC_I2SSTAT_RB		(1 << 5)
    284 #define PSC_I2SSTAT_TB		(1 << 4)
    285 #define PSC_I2SSTAT_DI		(1 << 2)
    286 #define PSC_I2SSTAT_DR		(1 << 1)
    287 #define PSC_I2SSTAT_SR		(1 << 0)
    288 
    289 /* I2S Event Register. */
    290 #define PSC_I2SEVNT_RR		(1 << 13)
    291 #define PSC_I2SEVNT_RO		(1 << 12)
    292 #define PSC_I2SEVNT_RU		(1 << 11)
    293 #define PSC_I2SEVNT_TR		(1 << 10)
    294 #define PSC_I2SEVNT_TO		(1 << 9)
    295 #define PSC_I2SEVNT_TU		(1 << 8)
    296 #define PSC_I2SEVNT_RD		(1 << 5)
    297 #define PSC_I2SEVNT_TD		(1 << 4)
    298 
    299 /* PSC in SPI Mode. */
    300 typedef struct	psc_spi {
    301 	u32	psc_sel;
    302 	u32	psc_ctrl;
    303 	u32	psc_spicfg;
    304 	u32	psc_spimsk;
    305 	u32	psc_spipcr;
    306 	u32	psc_spistat;
    307 	u32	psc_spievent;
    308 	u32	psc_spitxrx;
    309 } psc_spi_t;
    310 
    311 /* SPI Config Register. */
    312 #define PSC_SPICFG_RT_MASK	(3 << 30)
    313 #define PSC_SPICFG_RT_FIFO1	(0 << 30)
    314 #define PSC_SPICFG_RT_FIFO2	(1 << 30)
    315 #define PSC_SPICFG_RT_FIFO4	(2 << 30)
    316 #define PSC_SPICFG_RT_FIFO8	(3 << 30)
    317 
    318 #define PSC_SPICFG_TT_MASK	(3 << 28)
    319 #define PSC_SPICFG_TT_FIFO1	(0 << 28)
    320 #define PSC_SPICFG_TT_FIFO2	(1 << 28)
    321 #define PSC_SPICFG_TT_FIFO4	(2 << 28)
    322 #define PSC_SPICFG_TT_FIFO8	(3 << 28)
    323 
    324 #define PSC_SPICFG_DD_DISABLE	(1 << 27)
    325 #define PSC_SPICFG_DE_ENABLE	(1 << 26)
    326 #define PSC_SPICFG_CLR_BAUD(x)	((x) & ~((0x3f) << 15))
    327 #define PSC_SPICFG_SET_BAUD(x)	(((x) & 0x3f) << 15)
    328 
    329 #define PSC_SPICFG_SET_DIV(x)	(((x) & 0x03) << 13)
    330 #define PSC_SPICFG_DIV2		0
    331 #define PSC_SPICFG_DIV4		1
    332 #define PSC_SPICFG_DIV8		2
    333 #define PSC_SPICFG_DIV16	3
    334 
    335 #define PSC_SPICFG_BI		(1 << 12)
    336 #define PSC_SPICFG_PSE		(1 << 11)
    337 #define PSC_SPICFG_CGE		(1 << 10)
    338 #define PSC_SPICFG_CDE		(1 << 9)
    339 
    340 #define PSC_SPICFG_CLR_LEN(x)	((x) & ~((0x1f) << 4))
    341 #define PSC_SPICFG_SET_LEN(x)	(((x-1) & 0x1f) << 4)
    342 
    343 #define PSC_SPICFG_LB		(1 << 3)
    344 #define PSC_SPICFG_MLF		(1 << 1)
    345 #define PSC_SPICFG_MO		(1 << 0)
    346 
    347 /* SPI Mask Register. */
    348 #define PSC_SPIMSK_MM		(1 << 16)
    349 #define PSC_SPIMSK_RR		(1 << 13)
    350 #define PSC_SPIMSK_RO		(1 << 12)
    351 #define PSC_SPIMSK_RU		(1 << 11)
    352 #define PSC_SPIMSK_TR		(1 << 10)
    353 #define PSC_SPIMSK_TO		(1 << 9)
    354 #define PSC_SPIMSK_TU		(1 << 8)
    355 #define PSC_SPIMSK_SD		(1 << 5)
    356 #define PSC_SPIMSK_MD		(1 << 4)
    357 #define PSC_SPIMSK_ALLMASK	(PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
    358 				 PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
    359 				 PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
    360 				 PSC_SPIMSK_MD)
    361 
    362 /* SPI Protocol Control Register. */
    363 #define PSC_SPIPCR_RC		(1 << 6)
    364 #define PSC_SPIPCR_SP		(1 << 5)
    365 #define PSC_SPIPCR_SS		(1 << 4)
    366 #define PSC_SPIPCR_TC		(1 << 2)
    367 #define PSC_SPIPCR_MS		(1 << 0)
    368 
    369 /* SPI Status register (read only). */
    370 #define PSC_SPISTAT_RF		(1 << 13)
    371 #define PSC_SPISTAT_RE		(1 << 12)
    372 #define PSC_SPISTAT_RR		(1 << 11)
    373 #define PSC_SPISTAT_TF		(1 << 10)
    374 #define PSC_SPISTAT_TE		(1 << 9)
    375 #define PSC_SPISTAT_TR		(1 << 8)
    376 #define PSC_SPISTAT_SB		(1 << 5)
    377 #define PSC_SPISTAT_MB		(1 << 4)
    378 #define PSC_SPISTAT_DI		(1 << 2)
    379 #define PSC_SPISTAT_DR		(1 << 1)
    380 #define PSC_SPISTAT_SR		(1 << 0)
    381 
    382 /* SPI Event Register. */
    383 #define PSC_SPIEVNT_MM		(1 << 16)
    384 #define PSC_SPIEVNT_RR		(1 << 13)
    385 #define PSC_SPIEVNT_RO		(1 << 12)
    386 #define PSC_SPIEVNT_RU		(1 << 11)
    387 #define PSC_SPIEVNT_TR		(1 << 10)
    388 #define PSC_SPIEVNT_TO		(1 << 9)
    389 #define PSC_SPIEVNT_TU		(1 << 8)
    390 #define PSC_SPIEVNT_SD		(1 << 5)
    391 #define PSC_SPIEVNT_MD		(1 << 4)
    392 
    393 /* Transmit register control. */
    394 #define PSC_SPITXRX_LC		(1 << 29)
    395 #define PSC_SPITXRX_SR		(1 << 28)
    396 
    397 /* PSC in SMBus (I2C) Mode. */
    398 typedef struct	psc_smb {
    399 	u32	psc_sel;
    400 	u32	psc_ctrl;
    401 	u32	psc_smbcfg;
    402 	u32	psc_smbmsk;
    403 	u32	psc_smbpcr;
    404 	u32	psc_smbstat;
    405 	u32	psc_smbevnt;
    406 	u32	psc_smbtxrx;
    407 	u32	psc_smbtmr;
    408 } psc_smb_t;
    409 
    410 /* SMBus Config Register. */
    411 #define PSC_SMBCFG_RT_MASK	(3 << 30)
    412 #define PSC_SMBCFG_RT_FIFO1	(0 << 30)
    413 #define PSC_SMBCFG_RT_FIFO2	(1 << 30)
    414 #define PSC_SMBCFG_RT_FIFO4	(2 << 30)
    415 #define PSC_SMBCFG_RT_FIFO8	(3 << 30)
    416 
    417 #define PSC_SMBCFG_TT_MASK	(3 << 28)
    418 #define PSC_SMBCFG_TT_FIFO1	(0 << 28)
    419 #define PSC_SMBCFG_TT_FIFO2	(1 << 28)
    420 #define PSC_SMBCFG_TT_FIFO4	(2 << 28)
    421 #define PSC_SMBCFG_TT_FIFO8	(3 << 28)
    422 
    423 #define PSC_SMBCFG_DD_DISABLE	(1 << 27)
    424 #define PSC_SMBCFG_DE_ENABLE	(1 << 26)
    425 
    426 #define PSC_SMBCFG_SET_DIV(x)	(((x) & 0x03) << 13)
    427 #define PSC_SMBCFG_DIV2		0
    428 #define PSC_SMBCFG_DIV4		1
    429 #define PSC_SMBCFG_DIV8		2
    430 #define PSC_SMBCFG_DIV16	3
    431 
    432 #define PSC_SMBCFG_GCE		(1 << 9)
    433 #define PSC_SMBCFG_SFM		(1 << 8)
    434 
    435 #define PSC_SMBCFG_SET_SLV(x)	(((x) & 0x7f) << 1)
    436 
    437 /* SMBus Mask Register. */
    438 #define PSC_SMBMSK_DN		(1 << 30)
    439 #define PSC_SMBMSK_AN		(1 << 29)
    440 #define PSC_SMBMSK_AL		(1 << 28)
    441 #define PSC_SMBMSK_RR		(1 << 13)
    442 #define PSC_SMBMSK_RO		(1 << 12)
    443 #define PSC_SMBMSK_RU		(1 << 11)
    444 #define PSC_SMBMSK_TR		(1 << 10)
    445 #define PSC_SMBMSK_TO		(1 << 9)
    446 #define PSC_SMBMSK_TU		(1 << 8)
    447 #define PSC_SMBMSK_SD		(1 << 5)
    448 #define PSC_SMBMSK_MD		(1 << 4)
    449 #define PSC_SMBMSK_ALLMASK	(PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
    450 				 PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
    451 				 PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
    452 				 PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
    453 				 PSC_SMBMSK_MD)
    454 
    455 /* SMBus Protocol Control Register. */
    456 #define PSC_SMBPCR_DC		(1 << 2)
    457 #define PSC_SMBPCR_MS		(1 << 0)
    458 
    459 /* SMBus Status register (read only). */
    460 #define PSC_SMBSTAT_BB		(1 << 28)
    461 #define PSC_SMBSTAT_RF		(1 << 13)
    462 #define PSC_SMBSTAT_RE		(1 << 12)
    463 #define PSC_SMBSTAT_RR		(1 << 11)
    464 #define PSC_SMBSTAT_TF		(1 << 10)
    465 #define PSC_SMBSTAT_TE		(1 << 9)
    466 #define PSC_SMBSTAT_TR		(1 << 8)
    467 #define PSC_SMBSTAT_SB		(1 << 5)
    468 #define PSC_SMBSTAT_MB		(1 << 4)
    469 #define PSC_SMBSTAT_DI		(1 << 2)
    470 #define PSC_SMBSTAT_DR		(1 << 1)
    471 #define PSC_SMBSTAT_SR		(1 << 0)
    472 
    473 /* SMBus Event Register. */
    474 #define PSC_SMBEVNT_DN		(1 << 30)
    475 #define PSC_SMBEVNT_AN		(1 << 29)
    476 #define PSC_SMBEVNT_AL		(1 << 28)
    477 #define PSC_SMBEVNT_RR		(1 << 13)
    478 #define PSC_SMBEVNT_RO		(1 << 12)
    479 #define PSC_SMBEVNT_RU		(1 << 11)
    480 #define PSC_SMBEVNT_TR		(1 << 10)
    481 #define PSC_SMBEVNT_TO		(1 << 9)
    482 #define PSC_SMBEVNT_TU		(1 << 8)
    483 #define PSC_SMBEVNT_SD		(1 << 5)
    484 #define PSC_SMBEVNT_MD		(1 << 4)
    485 #define PSC_SMBEVNT_ALLCLR	(PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
    486 				 PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
    487 				 PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
    488 				 PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
    489 				 PSC_SMBEVNT_MD)
    490 
    491 /* Transmit register control. */
    492 #define PSC_SMBTXRX_RSR		(1 << 28)
    493 #define PSC_SMBTXRX_STP		(1 << 29)
    494 #define PSC_SMBTXRX_DATAMASK	0xff
    495 
    496 /* SMBus protocol timers register. */
    497 #define PSC_SMBTMR_SET_TH(x)	(((x) & 0x03) << 30)
    498 #define PSC_SMBTMR_SET_PS(x)	(((x) & 0x1f) << 25)
    499 #define PSC_SMBTMR_SET_PU(x)	(((x) & 0x1f) << 20)
    500 #define PSC_SMBTMR_SET_SH(x)	(((x) & 0x1f) << 15)
    501 #define PSC_SMBTMR_SET_SU(x)	(((x) & 0x1f) << 10)
    502 #define PSC_SMBTMR_SET_CL(x)	(((x) & 0x1f) << 5)
    503 #define PSC_SMBTMR_SET_CH(x)	(((x) & 0x1f) << 0)
    504 
    505 #endif /* _AU1000_PSC_H_ */
    506