| /* |
| * linux/include/asm-sh/ide.h |
| * |
| * Copyright (C) 1994-1996 Linus Torvalds & authors |
| */ |
| |
| /* |
| * This file contains the i386 architecture specific IDE code. |
| * In future, SuperH code. |
| */ |
| |
| #ifndef __ASM_SH_IDE_H |
| #define __ASM_SH_IDE_H |
| |
| #ifdef __KERNEL__ |
| |
| #include <linux/config.h> |
| #include <asm-generic/ide_iops.h> |
| #include <asm/machvec.h> |
| |
| #ifndef MAX_HWIFS |
| /* Should never have fewer than 2, ide-pci.c(ide_match_hwif) requires it */ |
| #define MAX_HWIFS 4 |
| #endif |
| |
| static __inline__ int ide_default_irq_hs7729pci(ide_ioreg_t base) |
| { |
| switch (base) { |
| case 0x01f0: return 9; |
| case 0x0170: return 14; |
| default: |
| return 0; |
| } |
| } |
| |
| static __inline__ int ide_default_irq_hp600(ide_ioreg_t base) |
| { |
| switch (base) { |
| case 0x01f0: return 93; |
| case 0x0170: return 94; |
| default: |
| return 0; |
| } |
| } |
| |
| static __inline__ int ide_default_irq(ide_ioreg_t base) |
| { |
| if (MACH_HP600) { |
| return ide_default_irq_hp600(base); |
| } |
| if (MACH_HS7729PCI) { |
| return ide_default_irq_hs7729pci(base); |
| } |
| switch (base) { |
| case 0x01f0: return 14; |
| case 0x0170: return 15; |
| default: |
| return 0; |
| } |
| } |
| |
| static __inline__ ide_ioreg_t ide_default_io_base_hp600(int index) |
| { |
| switch (index) { |
| case 0: |
| return 0x01f0; |
| case 1: |
| return 0x0170; |
| default: |
| return 0; |
| } |
| } |
| |
| static __inline__ ide_ioreg_t ide_default_io_base(int index) |
| { |
| if (MACH_HP600) { |
| return ide_default_io_base_hp600(index); |
| } |
| switch (index) { |
| case 0: |
| return 0x1f0; |
| case 1: |
| return 0x170; |
| default: |
| return 0; |
| } |
| } |
| |
| static __inline__ void ide_init_hwif_ports(hw_regs_t *hw, ide_ioreg_t data_port, ide_ioreg_t ctrl_port, int *irq) |
| { |
| ide_ioreg_t reg = data_port; |
| int i; |
| |
| 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] = hw->io_ports[IDE_DATA_OFFSET] + 0x206; |
| } |
| if (irq != NULL) |
| *irq = 0; |
| hw->io_ports[IDE_IRQ_OFFSET] = 0; |
| } |
| |
| static __inline__ void ide_init_default_hwifs(void) |
| { |
| #ifndef CONFIG_BLK_DEV_IDEPCI |
| hw_regs_t hw; |
| int index; |
| |
| for(index = 0; index < MAX_HWIFS; index++) { |
| memset(&hw, 0, sizeof hw); |
| ide_init_hwif_ports(&hw, ide_default_io_base(index), 0, NULL); |
| hw.irq = ide_default_irq(ide_default_io_base(index)); |
| ide_register_hw(&hw, NULL); |
| } |
| #endif /* CONFIG_BLK_DEV_IDEPCI */ |
| } |
| |
| #endif /* __KERNEL__ */ |
| |
| #endif /* __ASM_SH_IDE_H */ |