cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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au1xxx_psc.h (14667B)


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