diff options
Diffstat (limited to 'include/asm-arm/arch-rpc/ide.h')
| -rw-r--r-- | include/asm-arm/arch-rpc/ide.h | 55 |
1 files changed, 26 insertions, 29 deletions
diff --git a/include/asm-arm/arch-rpc/ide.h b/include/asm-arm/arch-rpc/ide.h index 311a98853..ccbc7cf76 100644 --- a/include/asm-arm/arch-rpc/ide.h +++ b/include/asm-arm/arch-rpc/ide.h @@ -2,44 +2,41 @@ * linux/include/asm-arm/arch-rpc/ide.h * * Copyright (c) 1997 Russell King + * + * Modifications: + * 29-07-1998 RMK Major re-work of IDE architecture specific code */ #include <asm/irq.h> -static __inline__ int -ide_default_irq(ide_ioreg_t base) +/* + * 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) { - if (base == 0x1f0) - return IRQ_HARDDISK; - return 0; -} + ide_ioreg_t reg = (ide_ioreg_t) data_port; + int i; -static __inline__ ide_ioreg_t -ide_default_io_base(int index) -{ - if (index == 0) - return 0x1f0; - return 0; -} + memset(hw, 0, sizeof(*hw)); -static __inline__ int -ide_default_stepping(int index) -{ - return 0; + for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) { + hw->io_ports[i] = reg; + reg += 1; + } + hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port; + hw->irq = irq; } +/* + * This registers the standard ports for this architecture with the IDE + * driver. + */ static __inline__ void -ide_init_hwif_ports (ide_ioreg_t *p, ide_ioreg_t base, int stepping, int *irq) +ide_init_default_hwifs(void) { - ide_ioreg_t port = base; - ide_ioreg_t ctrl = base + 0x206; - int i; + hw_regs_t hw; - i = 8; - while (i--) { - *p++ = port; - port += 1 << stepping; - } - *p++ = ctrl; - if (irq != NULL) - *irq = 0; + ide_init_hwif_ports(&hw, 0x1f0, 0x3f6, IRQ_HARDDISK); + ide_register_hw(&hw, NULL); } |