/* * include/asm-mips/mach-au1x00/au1xxx_ide.h version 01.30.00 Aug. 02 2005 * * BRIEF MODULE DESCRIPTION * AMD Alchemy Au1xxx IDE interface routines over the Static Bus * * Copyright (c) 2003-2005 AMD, Personal Connectivity Solutions * * 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. * * Note: for more information, please refer "AMD Alchemy Au1200/Au1550 IDE * Interface and Linux Device Driver" Application Note. */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA #define DMA_WAIT_TIMEOUT 100 #define NUM_DESCRIPTORS PRD_ENTRIES #else /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */ #define NUM_DESCRIPTORS 2 #endif #ifndef AU1XXX_ATA_RQSIZE #define AU1XXX_ATA_RQSIZE 128 #endif /* Disable Burstable-Support for DBDMA */ #ifndef CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON #define CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON 0 #endif typedef struct { u32 tx_dev_id, rx_dev_id, target_dev_id; u32 tx_chan, rx_chan; void *tx_desc_head, *rx_desc_head; ide_hwif_t *hwif; #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA ide_drive_t *drive; struct dbdma_cmd *dma_table_cpu; dma_addr_t dma_table_dma; #endif int irq; u32 regbase; } _auide_hwif; /******************************************************************************/ /* PIO Mode timing calculation : */ /* */ /* Static Bus Spec ATA Spec */ /* Tcsoe = t1 */ /* Toecs = t9 */ /* Twcs = t9 */ /* Tcsh = t2i | t2 */ /* Tcsoff = t2i | t2 */ /* Twp = t2 */ /* Tcsw = t1 */ /* Tpm = 0 */ /* Ta = t1+t2 */ /******************************************************************************/ #define TCSOE_MASK (0x07 << 29) #define TOECS_MASK (0x07 << 26) #define TWCS_MASK (0x07 << 28) #define TCSH_MASK (0x0F << 24) #define TCSOFF_MASK (0x07 << 20) #define TWP_MASK (0x3F << 14) #define TCSW_MASK (0x0F << 10) #define TPM_MASK (0x0F << 6) #define TA_MASK (0x3F << 0) #define TS_MASK (1 << 8) /* Timing parameters PIO mode 0 */ #define SBC_IDE_PIO0_TCSOE (0x04 << 29) #define SBC_IDE_PIO0_TOECS (0x01 << 26) #define SBC_IDE_PIO0_TWCS (0x02 << 28) #define SBC_IDE_PIO0_TCSH (0x08 << 24) #define SBC_IDE_PIO0_TCSOFF (0x07 << 20) #define SBC_IDE_PIO0_TWP (0x10 << 14) #define SBC_IDE_PIO0_TCSW (0x04 << 10) #define SBC_IDE_PIO0_TPM (0x00 << 6) #define SBC_IDE_PIO0_TA (0x15 << 0) /* Timing parameters PIO mode 1 */ #define SBC_IDE_PIO1_TCSOE (0x03 << 29) #define SBC_IDE_PIO1_TOECS (0x01 << 26) #define SBC_IDE_PIO1_TWCS (0x01 << 28) #define SBC_IDE_PIO1_TCSH (0x06 << 24) #define SBC_IDE_PIO1_TCSOFF (0x06 << 20) #define SBC_IDE_PIO1_TWP (0x08 << 14) #define SBC_IDE_PIO1_TCSW (0x03 << 10) #define SBC_IDE_PIO1_TPM (0x00 << 6) #define SBC_IDE_PIO1_TA (0x0B << 0) /* Timing parameters PIO mode 2 */ #define SBC_IDE_PIO2_TCSOE (0x05 << 29) #define SBC_IDE_PIO2_TOECS (0x01 << 26) #define SBC_IDE_PIO2_TWCS (0x01 << 28) #define SBC_IDE_PIO2_TCSH (0x07 << 24) #define SBC_IDE_PIO2_TCSOFF (0x07 << 20) #define SBC_IDE_PIO2_TWP (0x1F << 14) #define SBC_IDE_PIO2_TCSW (0x05 << 10) #define SBC_IDE_PIO2_TPM (0x00 << 6) #define SBC_IDE_PIO2_TA (0x22 << 0) /* Timing parameters PIO mode 3 */ #define SBC_IDE_PIO3_TCSOE (0x05 << 29) #define SBC_IDE_PIO3_TOECS (0x01 << 26) #define SBC_IDE_PIO3_TWCS (0x01 << 28) #define SBC_IDE_PIO3_TCSH (0x0D << 24) #define SBC_IDE_PIO3_TCSOFF (0x0D << 20) #define SBC_IDE_PIO3_TWP (0x15 << 14) #define SBC_IDE_PIO3_TCSW (0x05 << 10) #define SBC_IDE_PIO3_TPM (0x00 << 6) #define SBC_IDE_PIO3_TA (0x1A << 0) /* Timing parameters PIO mode 4 */ #define SBC_IDE_PIO4_TCSOE (0x04 << 29) #define SBC_IDE_PIO4_TOECS (0x01 << 26) #define SBC_IDE_PIO4_TWCS (0x01 << 28) #define SBC_IDE_PIO4_TCSH (0x04 << 24) #define SBC_IDE_PIO4_TCSOFF (0x04 << 20) #define SBC_IDE_PIO4_TWP (0x0D << 14) #define SBC_IDE_PIO4_TCSW (0x03 << 10) #define SBC_IDE_PIO4_TPM (0x00 << 6) #define SBC_IDE_PIO4_TA (0x12 << 0) /* Timing parameters MDMA mode 0 */ #define SBC_IDE_MDMA0_TCSOE (0x03 << 29) #define SBC_IDE_MDMA0_TOECS (0x01 << 26) #define SBC_IDE_MDMA0_TWCS (0x01 << 28) #define SBC_IDE_MDMA0_TCSH (0x07 << 24) #define SBC_IDE_MDMA0_TCSOFF (0x07 << 20) #define SBC_IDE_MDMA0_TWP (0x0C << 14) #define SBC_IDE_MDMA0_TCSW (0x03 << 10) #define SBC_IDE_MDMA0_TPM (0x00 << 6) #define SBC_IDE_MDMA0_TA (0x0F << 0) /* Timing parameters MDMA mode 1 */ #define SBC_IDE_MDMA1_TCSOE (0x05 << 29) #define SBC_IDE_MDMA1_TOECS (0x01 << 26) #define SBC_IDE_MDMA1_TWCS (0x01 << 28) #define SBC_IDE_MDMA1_TCSH (0x05 << 24) #define SBC_IDE_MDMA1_TCSOFF (0x05 << 20) #define SBC_IDE_MDMA1_TWP (0x0F << 14) #define SBC_IDE_MDMA1_TCSW (0x05 << 10) #define SBC_IDE_MDMA1_TPM (0x00 << 6) #define SBC_IDE_MDMA1_TA (0x15 << 0) /* Timing parameters MDMA mode 2 */ #define SBC_IDE_MDMA2_TCSOE (0x04 << 29) #define SBC_IDE_MDMA2_TOECS (0x01 << 26) #define SBC_IDE_MDMA2_TWCS (0x01 << 28) #define SBC_IDE_MDMA2_TCSH (0x04 << 24) #define SBC_IDE_MDMA2_TCSOFF (0x04 << 20) #define SBC_IDE_MDMA2_TWP (0x0D << 14) #define SBC_IDE_MDMA2_TCSW (0x04 << 10) #define SBC_IDE_MDMA2_TPM (0x00 << 6) #define SBC_IDE_MDMA2_TA (0x12 << 0) #define SBC_IDE_TIMING(mode) \ (SBC_IDE_##mode##_TWCS | \ SBC_IDE_##mode##_TCSH | \ SBC_IDE_##mode##_TCSOFF | \ SBC_IDE_##mode##_TWP | \ SBC_IDE_##mode##_TCSW | \ SBC_IDE_##mode##_TPM | \ SBC_IDE_##mode##_TA)