From: M. R. B. <mr...@us...> - 2002-05-01 18:36:32
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Update of /cvsroot/linuxdc/linux-sh-dc/include/asm-sh In directory usw-pr-cvs1:/tmp/cvs-serv12155/include/asm-sh Modified Files: dc_sysasic.h Added Files: ide.h Log Message: Initial IDE support --- NEW FILE: ide.h --- /* * 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/machvec.h> #include <asm/dc_sysasic.h> #ifndef MAX_HWIFS /* Should never have less than 2, ide-pci.c(ide_match_hwif) requires it */ #define MAX_HWIFS 2 #endif #define ide__sti() __sti() 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_dreamcast(ide_ioreg_t base) { switch (base) { case 0x1f0: return HW_EVENT_EXT0; case 0x170: return HW_EVENT_EXT1; default: return 0; } } static __inline__ int ide_default_irq(ide_ioreg_t base) { if (MACH_HP600) { return ide_default_irq_hp600(base); } if (MACH_DREAMCAST) { return ide_default_irq_dreamcast(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++) { 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 */ } typedef union { unsigned all : 8; /* all of the bits together */ struct { unsigned head : 4; /* always zeros here */ unsigned unit : 1; /* drive select number, 0 or 1 */ unsigned bit5 : 1; /* always 1 */ unsigned lba : 1; /* using LBA instead of CHS */ unsigned bit7 : 1; /* always 1 */ } b; } select_t; #define ide_request_irq(irq,hand,flg,dev,id) request_irq((irq),(hand),(flg),(dev),(id)) #define ide_free_irq(irq,dev_id) free_irq((irq), (dev_id)) #define ide_check_region(from,extent) check_region((from), (extent)) #define ide_request_region(from,extent,name) request_region((from), (extent), (name)) #define ide_release_region(from,extent) release_region((from), (extent)) /* * The following are not needed for the non-m68k ports */ #define ide_ack_intr(hwif) (1) #define ide_fix_driveid(id) do {} while (0) #define ide_release_lock(lock) do {} while (0) #define ide_get_lock(lock, hdlr, data) do {} while (0) #endif /* __KERNEL__ */ #endif /* __ASM_SH_IDE_H */ Index: dc_sysasic.h =================================================================== RCS file: /cvsroot/linuxdc/linux-sh-dc/include/asm-sh/dc_sysasic.h,v retrieving revision 1.3 retrieving revision 1.4 diff -u -d -r1.3 -r1.4 --- dc_sysasic.h 1 Oct 2001 07:51:10 -0000 1.3 +++ dc_sysasic.h 1 May 2002 18:36:23 -0000 1.4 @@ -30,6 +30,7 @@ /* IRQ 11 */ #define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE + 32) /* GD-ROM cmd. complete */ #define HW_EVENT_AICA_SYS (HW_EVENT_IRQ_BASE + 33) /* AICA-related */ -#define HW_EVENT_EXTERNAL (HW_EVENT_IRQ_BASE + 35) /* Ext. (expansion) */ +#define HW_EVENT_EXT0 (HW_EVENT_IRQ_BASE + 34) /* External 0 (modem) */ +#define HW_EVENT_EXT1 (HW_EVENT_IRQ_BASE + 35) /* External 1 (BBA) */ #define HW_EVENT_IRQ_MAX (HW_EVENT_IRQ_BASE + 95) |