506 lines
16 KiB
C
506 lines
16 KiB
C
|
/*
|
||
|
*
|
||
|
* BRIEF MODULE DESCRIPTION
|
||
|
* Include file for Alchemy Semiconductor's Au1k CPU.
|
||
|
*
|
||
|
* Copyright 2004 Embedded Edge, LLC
|
||
|
* dan@embeddededge.com
|
||
|
*
|
||
|
* 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||
|
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
|
||
|
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
||
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
*
|
||
|
* 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.,
|
||
|
* 675 Mass Ave, Cambridge, MA 02139, USA.
|
||
|
*/
|
||
|
|
||
|
/* Specifics for the Au1xxx Programmable Serial Controllers, first
|
||
|
* seen in the AU1550 part.
|
||
|
*/
|
||
|
#ifndef _AU1000_PSC_H_
|
||
|
#define _AU1000_PSC_H_
|
||
|
|
||
|
/* The PSC base addresses. */
|
||
|
#ifdef CONFIG_SOC_AU1550
|
||
|
#define PSC0_BASE_ADDR 0xb1a00000
|
||
|
#define PSC1_BASE_ADDR 0xb1b00000
|
||
|
#define PSC2_BASE_ADDR 0xb0a00000
|
||
|
#define PSC3_BASE_ADDR 0xb0b00000
|
||
|
#endif
|
||
|
|
||
|
#ifdef CONFIG_SOC_AU1200
|
||
|
#define PSC0_BASE_ADDR 0xb1a00000
|
||
|
#define PSC1_BASE_ADDR 0xb1b00000
|
||
|
#endif
|
||
|
|
||
|
/*
|
||
|
* The PSC select and control registers are common to all protocols.
|
||
|
*/
|
||
|
#define PSC_SEL_OFFSET 0x00000000
|
||
|
#define PSC_CTRL_OFFSET 0x00000004
|
||
|
|
||
|
#define PSC_SEL_CLK_MASK (3 << 4)
|
||
|
#define PSC_SEL_CLK_INTCLK (0 << 4)
|
||
|
#define PSC_SEL_CLK_EXTCLK (1 << 4)
|
||
|
#define PSC_SEL_CLK_SERCLK (2 << 4)
|
||
|
|
||
|
#define PSC_SEL_PS_MASK 0x00000007
|
||
|
#define PSC_SEL_PS_DISABLED 0
|
||
|
#define PSC_SEL_PS_SPIMODE 2
|
||
|
#define PSC_SEL_PS_I2SMODE 3
|
||
|
#define PSC_SEL_PS_AC97MODE 4
|
||
|
#define PSC_SEL_PS_SMBUSMODE 5
|
||
|
|
||
|
#define PSC_CTRL_DISABLE 0
|
||
|
#define PSC_CTRL_SUSPEND 2
|
||
|
#define PSC_CTRL_ENABLE 3
|
||
|
|
||
|
/* AC97 Registers. */
|
||
|
#define PSC_AC97CFG_OFFSET 0x00000008
|
||
|
#define PSC_AC97MSK_OFFSET 0x0000000c
|
||
|
#define PSC_AC97PCR_OFFSET 0x00000010
|
||
|
#define PSC_AC97STAT_OFFSET 0x00000014
|
||
|
#define PSC_AC97EVNT_OFFSET 0x00000018
|
||
|
#define PSC_AC97TXRX_OFFSET 0x0000001c
|
||
|
#define PSC_AC97CDC_OFFSET 0x00000020
|
||
|
#define PSC_AC97RST_OFFSET 0x00000024
|
||
|
#define PSC_AC97GPO_OFFSET 0x00000028
|
||
|
#define PSC_AC97GPI_OFFSET 0x0000002c
|
||
|
|
||
|
#define AC97_PSC_SEL (AC97_PSC_BASE + PSC_SEL_OFFSET)
|
||
|
#define AC97_PSC_CTRL (AC97_PSC_BASE + PSC_CTRL_OFFSET)
|
||
|
#define PSC_AC97CFG (AC97_PSC_BASE + PSC_AC97CFG_OFFSET)
|
||
|
#define PSC_AC97MSK (AC97_PSC_BASE + PSC_AC97MSK_OFFSET)
|
||
|
#define PSC_AC97PCR (AC97_PSC_BASE + PSC_AC97PCR_OFFSET)
|
||
|
#define PSC_AC97STAT (AC97_PSC_BASE + PSC_AC97STAT_OFFSET)
|
||
|
#define PSC_AC97EVNT (AC97_PSC_BASE + PSC_AC97EVNT_OFFSET)
|
||
|
#define PSC_AC97TXRX (AC97_PSC_BASE + PSC_AC97TXRX_OFFSET)
|
||
|
#define PSC_AC97CDC (AC97_PSC_BASE + PSC_AC97CDC_OFFSET)
|
||
|
#define PSC_AC97RST (AC97_PSC_BASE + PSC_AC97RST_OFFSET)
|
||
|
#define PSC_AC97GPO (AC97_PSC_BASE + PSC_AC97GPO_OFFSET)
|
||
|
#define PSC_AC97GPI (AC97_PSC_BASE + PSC_AC97GPI_OFFSET)
|
||
|
|
||
|
/* AC97 Config Register. */
|
||
|
#define PSC_AC97CFG_RT_MASK (3 << 30)
|
||
|
#define PSC_AC97CFG_RT_FIFO1 (0 << 30)
|
||
|
#define PSC_AC97CFG_RT_FIFO2 (1 << 30)
|
||
|
#define PSC_AC97CFG_RT_FIFO4 (2 << 30)
|
||
|
#define PSC_AC97CFG_RT_FIFO8 (3 << 30)
|
||
|
|
||
|
#define PSC_AC97CFG_TT_MASK (3 << 28)
|
||
|
#define PSC_AC97CFG_TT_FIFO1 (0 << 28)
|
||
|
#define PSC_AC97CFG_TT_FIFO2 (1 << 28)
|
||
|
#define PSC_AC97CFG_TT_FIFO4 (2 << 28)
|
||
|
#define PSC_AC97CFG_TT_FIFO8 (3 << 28)
|
||
|
|
||
|
#define PSC_AC97CFG_DD_DISABLE (1 << 27)
|
||
|
#define PSC_AC97CFG_DE_ENABLE (1 << 26)
|
||
|
#define PSC_AC97CFG_SE_ENABLE (1 << 25)
|
||
|
|
||
|
#define PSC_AC97CFG_LEN_MASK (0xf << 21)
|
||
|
#define PSC_AC97CFG_TXSLOT_MASK (0x3ff << 11)
|
||
|
#define PSC_AC97CFG_RXSLOT_MASK (0x3ff << 1)
|
||
|
#define PSC_AC97CFG_GE_ENABLE (1)
|
||
|
|
||
|
/* Enable slots 3-12. */
|
||
|
#define PSC_AC97CFG_TXSLOT_ENA(x) (1 << (((x) - 3) + 11))
|
||
|
#define PSC_AC97CFG_RXSLOT_ENA(x) (1 << (((x) - 3) + 1))
|
||
|
|
||
|
/*
|
||
|
* The word length equation is ((x) * 2) + 2, so choose 'x' appropriately.
|
||
|
* The only sensible numbers are 7, 9, or possibly 11. Nah, just do the
|
||
|
* arithmetic in the macro.
|
||
|
*/
|
||
|
#define PSC_AC97CFG_SET_LEN(x) (((((x) - 2) / 2) & 0xf) << 21)
|
||
|
#define PSC_AC97CFG_GET_LEN(x) (((((x) >> 21) & 0xf) * 2) + 2)
|
||
|
|
||
|
/* AC97 Mask Register. */
|
||
|
#define PSC_AC97MSK_GR (1 << 25)
|
||
|
#define PSC_AC97MSK_CD (1 << 24)
|
||
|
#define PSC_AC97MSK_RR (1 << 13)
|
||
|
#define PSC_AC97MSK_RO (1 << 12)
|
||
|
#define PSC_AC97MSK_RU (1 << 11)
|
||
|
#define PSC_AC97MSK_TR (1 << 10)
|
||
|
#define PSC_AC97MSK_TO (1 << 9)
|
||
|
#define PSC_AC97MSK_TU (1 << 8)
|
||
|
#define PSC_AC97MSK_RD (1 << 5)
|
||
|
#define PSC_AC97MSK_TD (1 << 4)
|
||
|
#define PSC_AC97MSK_ALLMASK (PSC_AC97MSK_GR | PSC_AC97MSK_CD | \
|
||
|
PSC_AC97MSK_RR | PSC_AC97MSK_RO | \
|
||
|
PSC_AC97MSK_RU | PSC_AC97MSK_TR | \
|
||
|
PSC_AC97MSK_TO | PSC_AC97MSK_TU | \
|
||
|
PSC_AC97MSK_RD | PSC_AC97MSK_TD)
|
||
|
|
||
|
/* AC97 Protocol Control Register. */
|
||
|
#define PSC_AC97PCR_RC (1 << 6)
|
||
|
#define PSC_AC97PCR_RP (1 << 5)
|
||
|
#define PSC_AC97PCR_RS (1 << 4)
|
||
|
#define PSC_AC97PCR_TC (1 << 2)
|
||
|
#define PSC_AC97PCR_TP (1 << 1)
|
||
|
#define PSC_AC97PCR_TS (1 << 0)
|
||
|
|
||
|
/* AC97 Status register (read only). */
|
||
|
#define PSC_AC97STAT_CB (1 << 26)
|
||
|
#define PSC_AC97STAT_CP (1 << 25)
|
||
|
#define PSC_AC97STAT_CR (1 << 24)
|
||
|
#define PSC_AC97STAT_RF (1 << 13)
|
||
|
#define PSC_AC97STAT_RE (1 << 12)
|
||
|
#define PSC_AC97STAT_RR (1 << 11)
|
||
|
#define PSC_AC97STAT_TF (1 << 10)
|
||
|
#define PSC_AC97STAT_TE (1 << 9)
|
||
|
#define PSC_AC97STAT_TR (1 << 8)
|
||
|
#define PSC_AC97STAT_RB (1 << 5)
|
||
|
#define PSC_AC97STAT_TB (1 << 4)
|
||
|
#define PSC_AC97STAT_DI (1 << 2)
|
||
|
#define PSC_AC97STAT_DR (1 << 1)
|
||
|
#define PSC_AC97STAT_SR (1 << 0)
|
||
|
|
||
|
/* AC97 Event Register. */
|
||
|
#define PSC_AC97EVNT_GR (1 << 25)
|
||
|
#define PSC_AC97EVNT_CD (1 << 24)
|
||
|
#define PSC_AC97EVNT_RR (1 << 13)
|
||
|
#define PSC_AC97EVNT_RO (1 << 12)
|
||
|
#define PSC_AC97EVNT_RU (1 << 11)
|
||
|
#define PSC_AC97EVNT_TR (1 << 10)
|
||
|
#define PSC_AC97EVNT_TO (1 << 9)
|
||
|
#define PSC_AC97EVNT_TU (1 << 8)
|
||
|
#define PSC_AC97EVNT_RD (1 << 5)
|
||
|
#define PSC_AC97EVNT_TD (1 << 4)
|
||
|
|
||
|
/* CODEC Command Register. */
|
||
|
#define PSC_AC97CDC_RD (1 << 25)
|
||
|
#define PSC_AC97CDC_ID_MASK (3 << 23)
|
||
|
#define PSC_AC97CDC_INDX_MASK (0x7f << 16)
|
||
|
#define PSC_AC97CDC_ID(x) (((x) & 0x03) << 23)
|
||
|
#define PSC_AC97CDC_INDX(x) (((x) & 0x7f) << 16)
|
||
|
|
||
|
/* AC97 Reset Control Register. */
|
||
|
#define PSC_AC97RST_RST (1 << 1)
|
||
|
#define PSC_AC97RST_SNC (1 << 0)
|
||
|
|
||
|
/* PSC in I2S Mode. */
|
||
|
typedef struct psc_i2s {
|
||
|
u32 psc_sel;
|
||
|
u32 psc_ctrl;
|
||
|
u32 psc_i2scfg;
|
||
|
u32 psc_i2smsk;
|
||
|
u32 psc_i2spcr;
|
||
|
u32 psc_i2sstat;
|
||
|
u32 psc_i2sevent;
|
||
|
u32 psc_i2stxrx;
|
||
|
u32 psc_i2sudf;
|
||
|
} psc_i2s_t;
|
||
|
|
||
|
#define PSC_I2SCFG_OFFSET 0x08
|
||
|
#define PSC_I2SMASK_OFFSET 0x0C
|
||
|
#define PSC_I2SPCR_OFFSET 0x10
|
||
|
#define PSC_I2SSTAT_OFFSET 0x14
|
||
|
#define PSC_I2SEVENT_OFFSET 0x18
|
||
|
#define PSC_I2SRXTX_OFFSET 0x1C
|
||
|
#define PSC_I2SUDF_OFFSET 0x20
|
||
|
|
||
|
/* I2S Config Register. */
|
||
|
#define PSC_I2SCFG_RT_MASK (3 << 30)
|
||
|
#define PSC_I2SCFG_RT_FIFO1 (0 << 30)
|
||
|
#define PSC_I2SCFG_RT_FIFO2 (1 << 30)
|
||
|
#define PSC_I2SCFG_RT_FIFO4 (2 << 30)
|
||
|
#define PSC_I2SCFG_RT_FIFO8 (3 << 30)
|
||
|
|
||
|
#define PSC_I2SCFG_TT_MASK (3 << 28)
|
||
|
#define PSC_I2SCFG_TT_FIFO1 (0 << 28)
|
||
|
#define PSC_I2SCFG_TT_FIFO2 (1 << 28)
|
||
|
#define PSC_I2SCFG_TT_FIFO4 (2 << 28)
|
||
|
#define PSC_I2SCFG_TT_FIFO8 (3 << 28)
|
||
|
|
||
|
#define PSC_I2SCFG_DD_DISABLE (1 << 27)
|
||
|
#define PSC_I2SCFG_DE_ENABLE (1 << 26)
|
||
|
#define PSC_I2SCFG_SET_WS(x) (((((x) / 2) - 1) & 0x7f) << 16)
|
||
|
#define PSC_I2SCFG_WS(n) ((n & 0xFF) << 16)
|
||
|
#define PSC_I2SCFG_WS_MASK (PSC_I2SCFG_WS(0x3F))
|
||
|
#define PSC_I2SCFG_WI (1 << 15)
|
||
|
|
||
|
#define PSC_I2SCFG_DIV_MASK (3 << 13)
|
||
|
#define PSC_I2SCFG_DIV2 (0 << 13)
|
||
|
#define PSC_I2SCFG_DIV4 (1 << 13)
|
||
|
#define PSC_I2SCFG_DIV8 (2 << 13)
|
||
|
#define PSC_I2SCFG_DIV16 (3 << 13)
|
||
|
|
||
|
#define PSC_I2SCFG_BI (1 << 12)
|
||
|
#define PSC_I2SCFG_BUF (1 << 11)
|
||
|
#define PSC_I2SCFG_MLJ (1 << 10)
|
||
|
#define PSC_I2SCFG_XM (1 << 9)
|
||
|
|
||
|
/* The word length equation is simply LEN+1. */
|
||
|
#define PSC_I2SCFG_SET_LEN(x) ((((x) - 1) & 0x1f) << 4)
|
||
|
#define PSC_I2SCFG_GET_LEN(x) ((((x) >> 4) & 0x1f) + 1)
|
||
|
|
||
|
#define PSC_I2SCFG_LB (1 << 2)
|
||
|
#define PSC_I2SCFG_MLF (1 << 1)
|
||
|
#define PSC_I2SCFG_MS (1 << 0)
|
||
|
|
||
|
/* I2S Mask Register. */
|
||
|
#define PSC_I2SMSK_RR (1 << 13)
|
||
|
#define PSC_I2SMSK_RO (1 << 12)
|
||
|
#define PSC_I2SMSK_RU (1 << 11)
|
||
|
#define PSC_I2SMSK_TR (1 << 10)
|
||
|
#define PSC_I2SMSK_TO (1 << 9)
|
||
|
#define PSC_I2SMSK_TU (1 << 8)
|
||
|
#define PSC_I2SMSK_RD (1 << 5)
|
||
|
#define PSC_I2SMSK_TD (1 << 4)
|
||
|
#define PSC_I2SMSK_ALLMASK (PSC_I2SMSK_RR | PSC_I2SMSK_RO | \
|
||
|
PSC_I2SMSK_RU | PSC_I2SMSK_TR | \
|
||
|
PSC_I2SMSK_TO | PSC_I2SMSK_TU | \
|
||
|
PSC_I2SMSK_RD | PSC_I2SMSK_TD)
|
||
|
|
||
|
/* I2S Protocol Control Register. */
|
||
|
#define PSC_I2SPCR_RC (1 << 6)
|
||
|
#define PSC_I2SPCR_RP (1 << 5)
|
||
|
#define PSC_I2SPCR_RS (1 << 4)
|
||
|
#define PSC_I2SPCR_TC (1 << 2)
|
||
|
#define PSC_I2SPCR_TP (1 << 1)
|
||
|
#define PSC_I2SPCR_TS (1 << 0)
|
||
|
|
||
|
/* I2S Status register (read only). */
|
||
|
#define PSC_I2SSTAT_RF (1 << 13)
|
||
|
#define PSC_I2SSTAT_RE (1 << 12)
|
||
|
#define PSC_I2SSTAT_RR (1 << 11)
|
||
|
#define PSC_I2SSTAT_TF (1 << 10)
|
||
|
#define PSC_I2SSTAT_TE (1 << 9)
|
||
|
#define PSC_I2SSTAT_TR (1 << 8)
|
||
|
#define PSC_I2SSTAT_RB (1 << 5)
|
||
|
#define PSC_I2SSTAT_TB (1 << 4)
|
||
|
#define PSC_I2SSTAT_DI (1 << 2)
|
||
|
#define PSC_I2SSTAT_DR (1 << 1)
|
||
|
#define PSC_I2SSTAT_SR (1 << 0)
|
||
|
|
||
|
/* I2S Event Register. */
|
||
|
#define PSC_I2SEVNT_RR (1 << 13)
|
||
|
#define PSC_I2SEVNT_RO (1 << 12)
|
||
|
#define PSC_I2SEVNT_RU (1 << 11)
|
||
|
#define PSC_I2SEVNT_TR (1 << 10)
|
||
|
#define PSC_I2SEVNT_TO (1 << 9)
|
||
|
#define PSC_I2SEVNT_TU (1 << 8)
|
||
|
#define PSC_I2SEVNT_RD (1 << 5)
|
||
|
#define PSC_I2SEVNT_TD (1 << 4)
|
||
|
|
||
|
/* PSC in SPI Mode. */
|
||
|
typedef struct psc_spi {
|
||
|
u32 psc_sel;
|
||
|
u32 psc_ctrl;
|
||
|
u32 psc_spicfg;
|
||
|
u32 psc_spimsk;
|
||
|
u32 psc_spipcr;
|
||
|
u32 psc_spistat;
|
||
|
u32 psc_spievent;
|
||
|
u32 psc_spitxrx;
|
||
|
} psc_spi_t;
|
||
|
|
||
|
/* SPI Config Register. */
|
||
|
#define PSC_SPICFG_RT_MASK (3 << 30)
|
||
|
#define PSC_SPICFG_RT_FIFO1 (0 << 30)
|
||
|
#define PSC_SPICFG_RT_FIFO2 (1 << 30)
|
||
|
#define PSC_SPICFG_RT_FIFO4 (2 << 30)
|
||
|
#define PSC_SPICFG_RT_FIFO8 (3 << 30)
|
||
|
|
||
|
#define PSC_SPICFG_TT_MASK (3 << 28)
|
||
|
#define PSC_SPICFG_TT_FIFO1 (0 << 28)
|
||
|
#define PSC_SPICFG_TT_FIFO2 (1 << 28)
|
||
|
#define PSC_SPICFG_TT_FIFO4 (2 << 28)
|
||
|
#define PSC_SPICFG_TT_FIFO8 (3 << 28)
|
||
|
|
||
|
#define PSC_SPICFG_DD_DISABLE (1 << 27)
|
||
|
#define PSC_SPICFG_DE_ENABLE (1 << 26)
|
||
|
#define PSC_SPICFG_CLR_BAUD(x) ((x) & ~((0x3f) << 15))
|
||
|
#define PSC_SPICFG_SET_BAUD(x) (((x) & 0x3f) << 15)
|
||
|
|
||
|
#define PSC_SPICFG_SET_DIV(x) (((x) & 0x03) << 13)
|
||
|
#define PSC_SPICFG_DIV2 0
|
||
|
#define PSC_SPICFG_DIV4 1
|
||
|
#define PSC_SPICFG_DIV8 2
|
||
|
#define PSC_SPICFG_DIV16 3
|
||
|
|
||
|
#define PSC_SPICFG_BI (1 << 12)
|
||
|
#define PSC_SPICFG_PSE (1 << 11)
|
||
|
#define PSC_SPICFG_CGE (1 << 10)
|
||
|
#define PSC_SPICFG_CDE (1 << 9)
|
||
|
|
||
|
#define PSC_SPICFG_CLR_LEN(x) ((x) & ~((0x1f) << 4))
|
||
|
#define PSC_SPICFG_SET_LEN(x) (((x-1) & 0x1f) << 4)
|
||
|
|
||
|
#define PSC_SPICFG_LB (1 << 3)
|
||
|
#define PSC_SPICFG_MLF (1 << 1)
|
||
|
#define PSC_SPICFG_MO (1 << 0)
|
||
|
|
||
|
/* SPI Mask Register. */
|
||
|
#define PSC_SPIMSK_MM (1 << 16)
|
||
|
#define PSC_SPIMSK_RR (1 << 13)
|
||
|
#define PSC_SPIMSK_RO (1 << 12)
|
||
|
#define PSC_SPIMSK_RU (1 << 11)
|
||
|
#define PSC_SPIMSK_TR (1 << 10)
|
||
|
#define PSC_SPIMSK_TO (1 << 9)
|
||
|
#define PSC_SPIMSK_TU (1 << 8)
|
||
|
#define PSC_SPIMSK_SD (1 << 5)
|
||
|
#define PSC_SPIMSK_MD (1 << 4)
|
||
|
#define PSC_SPIMSK_ALLMASK (PSC_SPIMSK_MM | PSC_SPIMSK_RR | \
|
||
|
PSC_SPIMSK_RO | PSC_SPIMSK_TO | \
|
||
|
PSC_SPIMSK_TU | PSC_SPIMSK_SD | \
|
||
|
PSC_SPIMSK_MD)
|
||
|
|
||
|
/* SPI Protocol Control Register. */
|
||
|
#define PSC_SPIPCR_RC (1 << 6)
|
||
|
#define PSC_SPIPCR_SP (1 << 5)
|
||
|
#define PSC_SPIPCR_SS (1 << 4)
|
||
|
#define PSC_SPIPCR_TC (1 << 2)
|
||
|
#define PSC_SPIPCR_MS (1 << 0)
|
||
|
|
||
|
/* SPI Status register (read only). */
|
||
|
#define PSC_SPISTAT_RF (1 << 13)
|
||
|
#define PSC_SPISTAT_RE (1 << 12)
|
||
|
#define PSC_SPISTAT_RR (1 << 11)
|
||
|
#define PSC_SPISTAT_TF (1 << 10)
|
||
|
#define PSC_SPISTAT_TE (1 << 9)
|
||
|
#define PSC_SPISTAT_TR (1 << 8)
|
||
|
#define PSC_SPISTAT_SB (1 << 5)
|
||
|
#define PSC_SPISTAT_MB (1 << 4)
|
||
|
#define PSC_SPISTAT_DI (1 << 2)
|
||
|
#define PSC_SPISTAT_DR (1 << 1)
|
||
|
#define PSC_SPISTAT_SR (1 << 0)
|
||
|
|
||
|
/* SPI Event Register. */
|
||
|
#define PSC_SPIEVNT_MM (1 << 16)
|
||
|
#define PSC_SPIEVNT_RR (1 << 13)
|
||
|
#define PSC_SPIEVNT_RO (1 << 12)
|
||
|
#define PSC_SPIEVNT_RU (1 << 11)
|
||
|
#define PSC_SPIEVNT_TR (1 << 10)
|
||
|
#define PSC_SPIEVNT_TO (1 << 9)
|
||
|
#define PSC_SPIEVNT_TU (1 << 8)
|
||
|
#define PSC_SPIEVNT_SD (1 << 5)
|
||
|
#define PSC_SPIEVNT_MD (1 << 4)
|
||
|
|
||
|
/* Transmit register control. */
|
||
|
#define PSC_SPITXRX_LC (1 << 29)
|
||
|
#define PSC_SPITXRX_SR (1 << 28)
|
||
|
|
||
|
/* PSC in SMBus (I2C) Mode. */
|
||
|
typedef struct psc_smb {
|
||
|
u32 psc_sel;
|
||
|
u32 psc_ctrl;
|
||
|
u32 psc_smbcfg;
|
||
|
u32 psc_smbmsk;
|
||
|
u32 psc_smbpcr;
|
||
|
u32 psc_smbstat;
|
||
|
u32 psc_smbevnt;
|
||
|
u32 psc_smbtxrx;
|
||
|
u32 psc_smbtmr;
|
||
|
} psc_smb_t;
|
||
|
|
||
|
/* SMBus Config Register. */
|
||
|
#define PSC_SMBCFG_RT_MASK (3 << 30)
|
||
|
#define PSC_SMBCFG_RT_FIFO1 (0 << 30)
|
||
|
#define PSC_SMBCFG_RT_FIFO2 (1 << 30)
|
||
|
#define PSC_SMBCFG_RT_FIFO4 (2 << 30)
|
||
|
#define PSC_SMBCFG_RT_FIFO8 (3 << 30)
|
||
|
|
||
|
#define PSC_SMBCFG_TT_MASK (3 << 28)
|
||
|
#define PSC_SMBCFG_TT_FIFO1 (0 << 28)
|
||
|
#define PSC_SMBCFG_TT_FIFO2 (1 << 28)
|
||
|
#define PSC_SMBCFG_TT_FIFO4 (2 << 28)
|
||
|
#define PSC_SMBCFG_TT_FIFO8 (3 << 28)
|
||
|
|
||
|
#define PSC_SMBCFG_DD_DISABLE (1 << 27)
|
||
|
#define PSC_SMBCFG_DE_ENABLE (1 << 26)
|
||
|
|
||
|
#define PSC_SMBCFG_SET_DIV(x) (((x) & 0x03) << 13)
|
||
|
#define PSC_SMBCFG_DIV2 0
|
||
|
#define PSC_SMBCFG_DIV4 1
|
||
|
#define PSC_SMBCFG_DIV8 2
|
||
|
#define PSC_SMBCFG_DIV16 3
|
||
|
|
||
|
#define PSC_SMBCFG_GCE (1 << 9)
|
||
|
#define PSC_SMBCFG_SFM (1 << 8)
|
||
|
|
||
|
#define PSC_SMBCFG_SET_SLV(x) (((x) & 0x7f) << 1)
|
||
|
|
||
|
/* SMBus Mask Register. */
|
||
|
#define PSC_SMBMSK_DN (1 << 30)
|
||
|
#define PSC_SMBMSK_AN (1 << 29)
|
||
|
#define PSC_SMBMSK_AL (1 << 28)
|
||
|
#define PSC_SMBMSK_RR (1 << 13)
|
||
|
#define PSC_SMBMSK_RO (1 << 12)
|
||
|
#define PSC_SMBMSK_RU (1 << 11)
|
||
|
#define PSC_SMBMSK_TR (1 << 10)
|
||
|
#define PSC_SMBMSK_TO (1 << 9)
|
||
|
#define PSC_SMBMSK_TU (1 << 8)
|
||
|
#define PSC_SMBMSK_SD (1 << 5)
|
||
|
#define PSC_SMBMSK_MD (1 << 4)
|
||
|
#define PSC_SMBMSK_ALLMASK (PSC_SMBMSK_DN | PSC_SMBMSK_AN | \
|
||
|
PSC_SMBMSK_AL | PSC_SMBMSK_RR | \
|
||
|
PSC_SMBMSK_RO | PSC_SMBMSK_TO | \
|
||
|
PSC_SMBMSK_TU | PSC_SMBMSK_SD | \
|
||
|
PSC_SMBMSK_MD)
|
||
|
|
||
|
/* SMBus Protocol Control Register. */
|
||
|
#define PSC_SMBPCR_DC (1 << 2)
|
||
|
#define PSC_SMBPCR_MS (1 << 0)
|
||
|
|
||
|
/* SMBus Status register (read only). */
|
||
|
#define PSC_SMBSTAT_BB (1 << 28)
|
||
|
#define PSC_SMBSTAT_RF (1 << 13)
|
||
|
#define PSC_SMBSTAT_RE (1 << 12)
|
||
|
#define PSC_SMBSTAT_RR (1 << 11)
|
||
|
#define PSC_SMBSTAT_TF (1 << 10)
|
||
|
#define PSC_SMBSTAT_TE (1 << 9)
|
||
|
#define PSC_SMBSTAT_TR (1 << 8)
|
||
|
#define PSC_SMBSTAT_SB (1 << 5)
|
||
|
#define PSC_SMBSTAT_MB (1 << 4)
|
||
|
#define PSC_SMBSTAT_DI (1 << 2)
|
||
|
#define PSC_SMBSTAT_DR (1 << 1)
|
||
|
#define PSC_SMBSTAT_SR (1 << 0)
|
||
|
|
||
|
/* SMBus Event Register. */
|
||
|
#define PSC_SMBEVNT_DN (1 << 30)
|
||
|
#define PSC_SMBEVNT_AN (1 << 29)
|
||
|
#define PSC_SMBEVNT_AL (1 << 28)
|
||
|
#define PSC_SMBEVNT_RR (1 << 13)
|
||
|
#define PSC_SMBEVNT_RO (1 << 12)
|
||
|
#define PSC_SMBEVNT_RU (1 << 11)
|
||
|
#define PSC_SMBEVNT_TR (1 << 10)
|
||
|
#define PSC_SMBEVNT_TO (1 << 9)
|
||
|
#define PSC_SMBEVNT_TU (1 << 8)
|
||
|
#define PSC_SMBEVNT_SD (1 << 5)
|
||
|
#define PSC_SMBEVNT_MD (1 << 4)
|
||
|
#define PSC_SMBEVNT_ALLCLR (PSC_SMBEVNT_DN | PSC_SMBEVNT_AN | \
|
||
|
PSC_SMBEVNT_AL | PSC_SMBEVNT_RR | \
|
||
|
PSC_SMBEVNT_RO | PSC_SMBEVNT_TO | \
|
||
|
PSC_SMBEVNT_TU | PSC_SMBEVNT_SD | \
|
||
|
PSC_SMBEVNT_MD)
|
||
|
|
||
|
/* Transmit register control. */
|
||
|
#define PSC_SMBTXRX_RSR (1 << 28)
|
||
|
#define PSC_SMBTXRX_STP (1 << 29)
|
||
|
#define PSC_SMBTXRX_DATAMASK 0xff
|
||
|
|
||
|
/* SMBus protocol timers register. */
|
||
|
#define PSC_SMBTMR_SET_TH(x) (((x) & 0x03) << 30)
|
||
|
#define PSC_SMBTMR_SET_PS(x) (((x) & 0x1f) << 25)
|
||
|
#define PSC_SMBTMR_SET_PU(x) (((x) & 0x1f) << 20)
|
||
|
#define PSC_SMBTMR_SET_SH(x) (((x) & 0x1f) << 15)
|
||
|
#define PSC_SMBTMR_SET_SU(x) (((x) & 0x1f) << 10)
|
||
|
#define PSC_SMBTMR_SET_CL(x) (((x) & 0x1f) << 5)
|
||
|
#define PSC_SMBTMR_SET_CH(x) (((x) & 0x1f) << 0)
|
||
|
|
||
|
#endif /* _AU1000_PSC_H_ */
|