ide.h
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上传日期:2013-04-10
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文件大小:1k
- /*
- * linux/include/asm-arm/arch-cl7500/ide.h
- *
- * Copyright (c) 1997 Russell King
- *
- * Modifications:
- * 29-07-1998 RMK Major re-work of IDE architecture specific code
- */
- #include <asm/irq.h>
- #include <asm/arch/hardware.h>
- /*
- * Set up a hw structure for a specified data port, control port and IRQ.
- * This should follow whatever the default interface uses.
- */
- static __inline__ void
- ide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq)
- {
- ide_ioreg_t reg = data_port;
- int i;
- memset(hw, 0, sizeof(*hw));
- for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
- hw->io_ports[i] = reg;
- reg += 1;
- }
- if (ctrl_port) {
- hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
- } else {
- hw->io_ports[IDE_CONTROL_OFFSET] = data_port + 0x206;
- }
- if (irq != NULL)
- *irq = 0;
- hw->io_ports[IDE_IRQ_OFFSET] = 0;
- }
- /*
- * This registers the standard ports for this architecture with the IDE
- * driver.
- */
- static __inline__ void
- ide_init_default_hwifs(void)
- {
- hw_regs_t hw;
-
- ide_init_hwif_ports(&hw, ISASLOT_IO + 0x1f0, ISASLOT_IO + 0x3f6, NULL);
- hw.irq = IRQ_ISA_14;
- ide_register_hw(&hw, NULL);
- }