| /* |
| * linux/include/asm-arm/arch-sa1100/ide.h |
| * |
| * Copyright (c) 1998 Hugo Fiennes & Nicolas Pitre |
| * |
| * 18-aug-2000: Cleanup by Erik Mouw (J.A.K.Mouw@its.tudelft.nl) |
| * Get rid of the special ide_init_hwif_ports() functions |
| * and make a generalised function that can be used by all |
| * architectures. |
| */ |
| |
| #include <asm/irq.h> |
| #include <asm/hardware.h> |
| #include <asm/mach-types.h> |
| |
| #error "This code is broken and needs update to match with current ide support" |
| |
| |
| /* |
| * 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, unsigned long data_port, |
| unsigned long ctrl_port, int *irq) |
| { |
| unsigned long reg = data_port; |
| int i; |
| int regincr = 1; |
| |
| /* The Empeg board has the first two address lines unused */ |
| if (machine_is_empeg()) |
| regincr = 1 << 2; |
| |
| /* The LART doesn't use A0 for IDE */ |
| if (machine_is_lart()) |
| regincr = 1 << 1; |
| |
| memset(hw, 0, sizeof(*hw)); |
| |
| for (i = 0; i <= 7; i++) { |
| hw->io_ports_array[i] = reg; |
| reg += regincr; |
| } |
| |
| hw->io_ports.ctl_addr = ctrl_port; |
| |
| if (irq) |
| *irq = 0; |
| } |
| |
| /* |
| * This registers the standard ports for this architecture with the IDE |
| * driver. |
| */ |
| static __inline__ void |
| ide_init_default_hwifs(void) |
| { |
| if (machine_is_lart()) { |
| #ifdef CONFIG_SA1100_LART |
| hw_regs_t hw; |
| |
| /* Enable GPIO as interrupt line */ |
| GPDR &= ~LART_GPIO_IDE; |
| set_irq_type(LART_IRQ_IDE, IRQT_RISING); |
| |
| /* set PCMCIA interface timing */ |
| MECR = 0x00060006; |
| |
| /* init the interface */ |
| ide_init_hwif_ports(&hw, PCMCIA_IO_0_BASE + 0x0000, PCMCIA_IO_0_BASE + 0x1000, NULL); |
| hw.irq = LART_IRQ_IDE; |
| ide_register_hw(&hw); |
| #endif |
| } |
| } |