diff options
Diffstat (limited to 'drivers/ide/cris/ide-cris.c')
-rw-r--r-- | drivers/ide/cris/ide-cris.c | 57 |
1 files changed, 33 insertions, 24 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c index 0640a38ff12..e79bf8f9b7d 100644 --- a/drivers/ide/cris/ide-cris.c +++ b/drivers/ide/cris/ide-cris.c @@ -753,34 +753,53 @@ static void cris_set_dma_mode(ide_drive_t *drive, const u8 speed) cris_ide_set_speed(TYPE_DMA, 0, strobe, hold); } +static void __init cris_setup_ports(hw_regs_t *hw, unsigned long base) +{ + int i; + + memset(hw, 0, sizeof(*hw)); + + for (i = 0; i <= 7; i++) + hw->io_ports[i] = base + cris_ide_reg_addr(i, 0, 1); + + /* + * the IDE control register is at ATA address 6, + * with CS1 active instead of CS0 + */ + hw->io_ports[IDE_CONTROL_OFFSET] = base + cris_ide_reg_addr(6, 1, 0); + + hw->irq = ide_default_irq(0); + hw->ack_intr = cris_ide_ack_intr; +} + +static const struct ide_port_info cris_port_info __initdata = { + .chipset = ide_etrax100, + .host_flags = IDE_HFLAG_NO_ATAPI_DMA | + IDE_HFLAG_NO_DMA, /* no SFF-style DMA */ + .pio_mask = ATA_PIO4, + .udma_mask = cris_ultra_mask, + .mwdma_mask = ATA_MWDMA2, +}; + static int __init init_e100_ide(void) { hw_regs_t hw; - int ide_offsets[IDE_NR_PORTS], h, i; + int h; u8 idx[4] = { 0xff, 0xff, 0xff, 0xff }; printk("ide: ETRAX FS built-in ATA DMA controller\n"); - for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) - ide_offsets[i] = cris_ide_reg_addr(i, 0, 1); - - /* the IDE control register is at ATA address 6, with CS1 active instead of CS0 */ - ide_offsets[IDE_CONTROL_OFFSET] = cris_ide_reg_addr(6, 1, 0); - for (h = 0; h < 4; h++) { ide_hwif_t *hwif = NULL; - ide_setup_ports(&hw, cris_ide_base_address(h), - ide_offsets, - 0, 0, cris_ide_ack_intr, - ide_default_irq(0)); + cris_setup_ports(&hw, cris_ide_base_address(h)); + hwif = ide_find_port(hw.io_ports[IDE_DATA_OFFSET]); if (hwif == NULL) continue; ide_init_port_data(hwif, hwif->index); ide_init_port_hw(hwif, &hw); hwif->mmio = 1; - hwif->chipset = ide_etrax100; hwif->set_pio_mode = &cris_set_pio_mode; hwif->set_dma_mode = &cris_set_dma_mode; hwif->ata_input_data = &cris_ide_input_data; @@ -799,12 +818,6 @@ static int __init init_e100_ide(void) hwif->INB = &cris_ide_inb; hwif->INW = &cris_ide_inw; hwif->cbl = ATA_CBL_PATA40; - hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA; - hwif->pio_mask = ATA_PIO4, - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - hwif->ultra_mask = cris_ultra_mask; - hwif->mwdma_mask = 0x07; /* Multiword DMA 0-2 */ idx[h] = hwif->index; } @@ -820,7 +833,7 @@ static int __init init_e100_ide(void) cris_ide_set_speed(TYPE_DMA, 0, ATA_DMA2_STROBE, ATA_DMA2_HOLD); cris_ide_set_speed(TYPE_UDMA, ATA_UDMA2_CYC, ATA_UDMA2_DVS, 0); - ide_device_add(idx); + ide_device_add(idx, &cris_port_info); return 0; } @@ -1032,11 +1045,7 @@ static int cris_dma_setup(ide_drive_t *drive) static void cris_dma_exec_cmd(ide_drive_t *drive, u8 command) { - /* set the irq handler which will finish the request when DMA is done */ - ide_set_handler(drive, &cris_dma_intr, WAIT_CMD, NULL); - - /* issue cmd to drive */ - cris_ide_outb(command, IDE_COMMAND_REG); + ide_execute_command(drive, command, &cris_dma_intr, WAIT_CMD, NULL); } static void cris_dma_start(ide_drive_t *drive) |