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Diffstat (limited to 'include/asm-m68knommu/ide.h')
| -rw-r--r-- | include/asm-m68knommu/ide.h | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/include/asm-m68knommu/ide.h b/include/asm-m68knommu/ide.h deleted file mode 100644 index b1cbf8b..0000000 --- a/include/asm-m68knommu/ide.h +++ /dev/null @@ -1,444 +0,0 @@ -/****************************************************************************/ -/* - * linux/include/asm-m68knommu/ide.h - * - * Copyright (C) 1994-1996 Linus Torvalds & authors - * Copyright (C) 2001 Lineo Inc., davidm@uclinux.org - */ -/****************************************************************************/ -#ifndef _M68KNOMMU_IDE_H -#define _M68KNOMMU_IDE_H - -#ifdef __KERNEL__ -/****************************************************************************/ - -#include <linux/config.h> -#include <linux/interrupt.h> - -#include <asm/setup.h> -#include <asm/io.h> -#include <asm/irq.h> - -/****************************************************************************/ -/* - * some coldfire specifics - */ - -#ifdef CONFIG_COLDFIRE -#include <asm/coldfire.h> -#include <asm/mcfsim.h> - -/* - * Save some space, only have 1 interface - */ -#define MAX_HWIFS 1 /* we only have one interface for now */ - -#ifdef CONFIG_SECUREEDGEMP3 -#define MCFSIM_LOCALCS MCFSIM_CSCR4 -#else -#define MCFSIM_LOCALCS MCFSIM_CSCR6 -#endif - -#endif /* CONFIG_COLDFIRE */ - -/****************************************************************************/ -/* - * Fix up things that may not have been provided - */ - -#ifndef MAX_HWIFS -#define MAX_HWIFS 4 /* same as the other archs */ -#endif - -#undef SUPPORT_SLOW_DATA_PORTS -#define SUPPORT_SLOW_DATA_PORTS 0 - -#undef SUPPORT_VLB_SYNC -#define SUPPORT_VLB_SYNC 0 - -/* this definition is used only on startup .. */ -#undef HD_DATA -#define HD_DATA NULL - -#define DBGIDE(fmt,a...) -// #define DBGIDE(fmt,a...) printk(fmt, ##a) -#define IDE_INLINE __inline__ -// #define IDE_INLINE - -/****************************************************************************/ - -typedef union { - unsigned all : 8; /* all of the bits together */ - struct { - unsigned bit7 : 1; /* always 1 */ - unsigned lba : 1; /* using LBA instead of CHS */ - unsigned bit5 : 1; /* always 1 */ - unsigned unit : 1; /* drive select number, 0 or 1 */ - unsigned head : 4; /* always zeros here */ - } b; -} select_t; - -/* - * our list of ports/irq's for different boards - */ - -static struct m68k_ide_defaults { - ide_ioreg_t base; - int irq; -} m68k_ide_defaults[MAX_HWIFS] = { -#if defined(CONFIG_SECUREEDGEMP3) - { ((ide_ioreg_t)0x30800000), 29 }, -#elif defined(CONFIG_eLIA) - { ((ide_ioreg_t)0x30c00000), 29 }, -#else - { ((ide_ioreg_t)0x0), 0 } -#endif -}; - -/****************************************************************************/ - -static IDE_INLINE int ide_default_irq(ide_ioreg_t base) -{ - int i; - - for (i = 0; i < MAX_HWIFS; i++) - if (m68k_ide_defaults[i].base == base) - return(m68k_ide_defaults[i].irq); - return 0; -} - -static IDE_INLINE ide_ioreg_t ide_default_io_base(int index) -{ - if (index >= 0 && index < MAX_HWIFS) - return(m68k_ide_defaults[index].base); - return 0; -} - - -/* - * Set up a hw structure for a specified data port, control port and IRQ. - * This should follow whatever the default interface uses. - */ -static IDE_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] = data_port + 0xe; - } -} - -#define ide_init_default_irq(base) ide_default_irq(base) - -static IDE_INLINE int -ide_request_irq( - unsigned int irq, - void (*handler)(int, void *, struct pt_regs *), - unsigned long flags, - const char *device, - void *dev_id) -{ -#ifdef CONFIG_COLDFIRE - mcf_autovector(irq); -#endif - return(request_irq(irq, handler, flags, device, dev_id)); -} - - -static IDE_INLINE void -ide_free_irq(unsigned int irq, void *dev_id) -{ - free_irq(irq, dev_id); -} - - -static IDE_INLINE int -ide_check_region(ide_ioreg_t from, unsigned int extent) -{ - return 0; -} - - -static IDE_INLINE void -ide_request_region(ide_ioreg_t from, unsigned int extent, const char *name) -{ -} - - -static IDE_INLINE void -ide_release_region(ide_ioreg_t from, unsigned int extent) -{ -} - - -static IDE_INLINE void -ide_fix_driveid(struct hd_driveid *id) -{ -#ifdef CONFIG_COLDFIRE - int i, n; - unsigned short *wp = (unsigned short *) id; - int avoid[] = {49, 51, 52, 59, -1 }; /* do not swap these words */ - - /* Need to byte swap shorts, but not char fields */ - for (i = n = 0; i < sizeof(*id) / sizeof(*wp); i++, wp++) { - if (avoid[n] == i) { - n++; - continue; - } - *wp = ((*wp & 0xff) << 8) | ((*wp >> 8) & 0xff); - } - /* have to word swap the one 32 bit field */ - id->lba_capacity = ((id->lba_capacity & 0xffff) << 16) | - ((id->lba_capacity >> 16) & 0xffff); -#endif -} - - -static IDE_INLINE void -ide_release_lock (int *ide_lock) -{ -} - - -static IDE_INLINE void -ide_get_lock( - int *ide_lock, - void (*handler)(int, void *, struct pt_regs *), - void *data) -{ -} - - -#define ide_ack_intr(hwif) \ - ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1) -#define ide__sti() __sti() - -/****************************************************************************/ -/* - * System specific IO requirements - */ - -#ifdef CONFIG_COLDFIRE - -#ifdef CONFIG_SECUREEDGEMP3 - -/* Replace standard IO functions for funky mapping of MP3 board */ -#undef outb -#undef outb_p -#undef inb -#undef inb_p - -#define outb(v, a) ide_outb(v, (unsigned long) (a)) -#define outb_p(v, a) ide_outb(v, (unsigned long) (a)) -#define inb(a) ide_inb((unsigned long) (a)) -#define inb_p(a) ide_inb((unsigned long) (a)) - -#define ADDR8_PTR(addr) (((addr) & 0x1) ? (0x8000 + (addr) - 1) : (addr)) -#define ADDR16_PTR(addr) (addr) -#define ADDR32_PTR(addr) (addr) -#define SWAP8(w) ((((w) & 0xffff) << 8) | (((w) & 0xffff) >> 8)) -#define SWAP16(w) (w) -#define SWAP32(w) (w) - - -static IDE_INLINE void -ide_outb(unsigned int val, unsigned int addr) -{ - volatile unsigned short *rp; - - DBGIDE("%s(val=%x,addr=%x)\n", __FUNCTION__, val, addr); - rp = (volatile unsigned short *) ADDR8_PTR(addr); - *rp = SWAP8(val); -} - - -static IDE_INLINE int -ide_inb(unsigned int addr) -{ - volatile unsigned short *rp, val; - - DBGIDE("%s(addr=%x)\n", __FUNCTION__, addr); - rp = (volatile unsigned short *) ADDR8_PTR(addr); - val = *rp; - return(SWAP8(val)); -} - - -static IDE_INLINE void -ide_outw(unsigned int val, unsigned int addr) -{ - volatile unsigned short *rp; - - DBGIDE("%s(val=%x,addr=%x)\n", __FUNCTION__, val, addr); - rp = (volatile unsigned short *) ADDR16_PTR(addr); - *rp = SWAP16(val); -} - -static IDE_INLINE void -ide_outsw(unsigned int addr, const void *vbuf, unsigned long len) -{ - volatile unsigned short *rp, val; - unsigned short *buf; - - DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len); - buf = (unsigned short *) vbuf; - rp = (volatile unsigned short *) ADDR16_PTR(addr); - for (; (len > 0); len--) { - val = *buf++; - *rp = SWAP16(val); - } -} - -static IDE_INLINE int -ide_inw(unsigned int addr) -{ - volatile unsigned short *rp, val; - - DBGIDE("%s(addr=%x)\n", __FUNCTION__, addr); - rp = (volatile unsigned short *) ADDR16_PTR(addr); - val = *rp; - return(SWAP16(val)); -} - -static IDE_INLINE void -ide_insw(unsigned int addr, void *vbuf, unsigned long len) -{ - volatile unsigned short *rp; - unsigned short w, *buf; - - DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len); - buf = (unsigned short *) vbuf; - rp = (volatile unsigned short *) ADDR16_PTR(addr); - for (; (len > 0); len--) { - w = *rp; - *buf++ = SWAP16(w); - } -} - -static IDE_INLINE void -ide_insl(unsigned int addr, void *vbuf, unsigned long len) -{ - volatile unsigned long *rp; - unsigned long w, *buf; - - DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len); - buf = (unsigned long *) vbuf; - rp = (volatile unsigned long *) ADDR32_PTR(addr); - for (; (len > 0); len--) { - w = *rp; - *buf++ = SWAP32(w); - } -} - -static IDE_INLINE void -ide_outsl(unsigned int addr, const void *vbuf, unsigned long len) -{ - volatile unsigned long *rp, val; - unsigned long *buf; - - DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len); - buf = (unsigned long *) vbuf; - rp = (volatile unsigned long *) ADDR32_PTR(addr); - for (; (len > 0); len--) { - val = *buf++; - *rp = SWAP32(val); - } -} - -#elif CONFIG_eLIA - -/* 8/16 bit acesses are controlled by flicking bits in the CS register */ -#define ACCESS_MODE_16BIT() \ - *((volatile unsigned short *) (MCF_MBAR + MCFSIM_LOCALCS)) = 0x0080 -#define ACCESS_MODE_8BIT() \ - *((volatile unsigned short *) (MCF_MBAR + MCFSIM_LOCALCS)) = 0x0040 - - -static IDE_INLINE void -ide_outw(unsigned int val, unsigned int addr) -{ - ACCESS_MODE_16BIT(); - outw(val, addr); - ACCESS_MODE_8BIT(); -} - -static IDE_INLINE void -ide_outsw(unsigned int addr, const void *vbuf, unsigned long len) -{ - ACCESS_MODE_16BIT(); - outsw(addr, vbuf, len); - ACCESS_MODE_8BIT(); -} - -static IDE_INLINE int -ide_inw(unsigned int addr) -{ - int ret; - - ACCESS_MODE_16BIT(); - ret = inw(addr); - ACCESS_MODE_8BIT(); - return(ret); -} - -static IDE_INLINE void -ide_insw(unsigned int addr, void *vbuf, unsigned long len) -{ - ACCESS_MODE_16BIT(); - insw(addr, vbuf, len); - ACCESS_MODE_8BIT(); -} - -static IDE_INLINE void -ide_insl(unsigned int addr, void *vbuf, unsigned long len) -{ - ACCESS_MODE_16BIT(); - insl(addr, vbuf, len); - ACCESS_MODE_8BIT(); -} - -static IDE_INLINE void -ide_outsl(unsigned int addr, const void *vbuf, unsigned long len) -{ - ACCESS_MODE_16BIT(); - outsl(addr, vbuf, len); - ACCESS_MODE_8BIT(); -} - -#endif /* CONFIG_SECUREEDGEMP3 */ - -#undef outw -#undef outw_p -#undef outsw -#undef inw -#undef inw_p -#undef insw -#undef insl -#undef outsl - -#define outw(v, a) ide_outw(v, (unsigned long) (a)) -#define outw_p(v, a) ide_outw(v, (unsigned long) (a)) -#define outsw(a, b, n) ide_outsw((unsigned long) (a), b, n) -#define inw(a) ide_inw((unsigned long) (a)) -#define inw_p(a) ide_inw((unsigned long) (a)) -#define insw(a, b, n) ide_insw((unsigned long) (a), b, n) -#define insl(a, b, n) ide_insl((unsigned long) (a), b, n) -#define outsl(a, b, n) ide_outsl((unsigned long) (a), b, n) - -#endif CONFIG_COLDFIRE - -/****************************************************************************/ -#endif /* __KERNEL__ */ -#endif /* _M68KNOMMU_IDE_H */ -/****************************************************************************/ |