/* * linux/include/asm-arm/arch-s3c2410/ide.h * * by threewater<threewater@up-tech.com> * * derived from: * linux/include/asm-arm/arch-ebsa285/ide.h * Copyright (c) 1998 Russell King */#include <asm/irq.h>#include "S3C2410.h"#include <asm/hardware.h>#include <asm/mach-types.h>#include <asm/sizes.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__ voidide_init_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq){	ide_ioreg_t reg = (ide_ioreg_t) 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 ++;	}	hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;	if (irq)		*irq = 0;}/* * Set up a hw structure for a specified data port, control port and IRQ. * This should follow whatever the default interface uses. * add by threewater for default ide hardware */static __inline__ voidide_init_default_hwif_ports(hw_regs_t *hw, int data_port, int ctrl_port, int *irq){        ide_ioreg_t reg = (ide_ioreg_t) 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 += 2;        }        hw->io_ports[IDE_CONTROL_OFFSET] = (ide_ioreg_t) ctrl_port;        if (irq)                *irq = 0;}/* * This registers the standard ports for this architecture with the IDE * driver. */static __inline__ voidide_init_default_hwifs(void){	hw_regs_t hw;	unsigned long  IDE_BASE;	BWSCON = ((BWSCON & ~(BWSCON_ST4 | BWSCON_WS4 | BWSCON_DW4)) |		(BWSCON_ST4 | BWSCON_WS4 | BWSCON_DW(4, BWSCON_DW_16)));	BANKCON4= BANKCON_Tacs4 | BANKCON_Tcos4 | BANKCON_Tacc14 |		BANKCON_Toch4 | BANKCON_Tcah4 | BANKCON_Tacp6 | BANKCON_PMC1;	IDE_BASE = (unsigned long)ioremap(0x20000000,512);	//set_external_irq(IRQ_IDE, EXT_HIGHLEVEL, GPIO_PULLUP_DIS);	set_external_irq(IRQ_IDE, EXT_RISING_EDGE, GPIO_PULLUP_DIS);	ide_init_default_hwif_ports(&hw, IDE_BASE+0x20, IDE_BASE+0x10, NULL);	hw.irq = IRQ_IDE;	hw.dma = NO_DMA;	ide_register_hw(&hw, NULL);}