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-rw-r--r--include/asm-m68knommu/ide.h437
1 files changed, 0 insertions, 437 deletions
diff --git a/include/asm-m68knommu/ide.h b/include/asm-m68knommu/ide.h
deleted file mode 100644
index 836f0721ecf9..000000000000
--- a/include/asm-m68knommu/ide.h
+++ /dev/null
@@ -1,437 +0,0 @@
1/****************************************************************************/
2/*
3 * linux/include/asm-m68knommu/ide.h
4 *
5 * Copyright (C) 1994-1996 Linus Torvalds & authors
6 * Copyright (C) 2001 Lineo Inc., davidm@uclinux.org
7 */
8/****************************************************************************/
9#ifndef _M68KNOMMU_IDE_H
10#define _M68KNOMMU_IDE_H
11
12#ifdef __KERNEL__
13/****************************************************************************/
14
15#include <linux/config.h>
16#include <linux/interrupt.h>
17
18#include <asm/setup.h>
19#include <asm/io.h>
20#include <asm/irq.h>
21
22/****************************************************************************/
23/*
24 * some coldfire specifics
25 */
26
27#ifdef CONFIG_COLDFIRE
28#include <asm/coldfire.h>
29#include <asm/mcfsim.h>
30
31/*
32 * Save some space, only have 1 interface
33 */
34#define MAX_HWIFS 1 /* we only have one interface for now */
35
36#ifdef CONFIG_SECUREEDGEMP3
37#define MCFSIM_LOCALCS MCFSIM_CSCR4
38#else
39#define MCFSIM_LOCALCS MCFSIM_CSCR6
40#endif
41
42#endif /* CONFIG_COLDFIRE */
43
44/****************************************************************************/
45/*
46 * Fix up things that may not have been provided
47 */
48
49#ifndef MAX_HWIFS
50#define MAX_HWIFS 4 /* same as the other archs */
51#endif
52
53#undef SUPPORT_SLOW_DATA_PORTS
54#define SUPPORT_SLOW_DATA_PORTS 0
55
56#undef SUPPORT_VLB_SYNC
57#define SUPPORT_VLB_SYNC 0
58
59/* this definition is used only on startup .. */
60#undef HD_DATA
61#define HD_DATA NULL
62
63#define DBGIDE(fmt,a...)
64// #define DBGIDE(fmt,a...) printk(fmt, ##a)
65#define IDE_INLINE __inline__
66// #define IDE_INLINE
67
68/****************************************************************************/
69
70typedef union {
71 unsigned all : 8; /* all of the bits together */
72 struct {
73 unsigned bit7 : 1; /* always 1 */
74 unsigned lba : 1; /* using LBA instead of CHS */
75 unsigned bit5 : 1; /* always 1 */
76 unsigned unit : 1; /* drive select number, 0 or 1 */
77 unsigned head : 4; /* always zeros here */
78 } b;
79} select_t;
80
81/*
82 * our list of ports/irq's for different boards
83 */
84
85static struct m68k_ide_defaults {
86 ide_ioreg_t base;
87 int irq;
88} m68k_ide_defaults[MAX_HWIFS] = {
89#if defined(CONFIG_SECUREEDGEMP3)
90 { ((ide_ioreg_t)0x30800000), 29 },
91#elif defined(CONFIG_eLIA)
92 { ((ide_ioreg_t)0x30c00000), 29 },
93#else
94 { ((ide_ioreg_t)0x0), 0 }
95#endif
96};
97
98/****************************************************************************/
99
100static IDE_INLINE int ide_default_irq(ide_ioreg_t base)
101{
102 int i;
103
104 for (i = 0; i < MAX_HWIFS; i++)
105 if (m68k_ide_defaults[i].base == base)
106 return(m68k_ide_defaults[i].irq);
107 return 0;
108}
109
110static IDE_INLINE ide_ioreg_t ide_default_io_base(int index)
111{
112 if (index >= 0 && index < MAX_HWIFS)
113 return(m68k_ide_defaults[index].base);
114 return 0;
115}
116
117
118/*
119 * Set up a hw structure for a specified data port, control port and IRQ.
120 * This should follow whatever the default interface uses.
121 */
122static IDE_INLINE void ide_init_hwif_ports(
123 hw_regs_t *hw,
124 ide_ioreg_t data_port,
125 ide_ioreg_t ctrl_port,
126 int *irq)
127{
128 ide_ioreg_t reg = data_port;
129 int i;
130
131 for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
132 hw->io_ports[i] = reg;
133 reg += 1;
134 }
135 if (ctrl_port) {
136 hw->io_ports[IDE_CONTROL_OFFSET] = ctrl_port;
137 } else {
138 hw->io_ports[IDE_CONTROL_OFFSET] = data_port + 0xe;
139 }
140}
141
142#define ide_init_default_irq(base) ide_default_irq(base)
143
144static IDE_INLINE int
145ide_request_irq(
146 unsigned int irq,
147 void (*handler)(int, void *, struct pt_regs *),
148 unsigned long flags,
149 const char *device,
150 void *dev_id)
151{
152#ifdef CONFIG_COLDFIRE
153 mcf_autovector(irq);
154#endif
155 return(request_irq(irq, handler, flags, device, dev_id));
156}
157
158
159static IDE_INLINE void
160ide_free_irq(unsigned int irq, void *dev_id)
161{
162 free_irq(irq, dev_id);
163}
164
165
166static IDE_INLINE void
167ide_request_region(ide_ioreg_t from, unsigned int extent, const char *name)
168{
169}
170
171
172static IDE_INLINE void
173ide_release_region(ide_ioreg_t from, unsigned int extent)
174{
175}
176
177
178static IDE_INLINE void
179ide_fix_driveid(struct hd_driveid *id)
180{
181#ifdef CONFIG_COLDFIRE
182 int i, n;
183 unsigned short *wp = (unsigned short *) id;
184 int avoid[] = {49, 51, 52, 59, -1 }; /* do not swap these words */
185
186 /* Need to byte swap shorts, but not char fields */
187 for (i = n = 0; i < sizeof(*id) / sizeof(*wp); i++, wp++) {
188 if (avoid[n] == i) {
189 n++;
190 continue;
191 }
192 *wp = ((*wp & 0xff) << 8) | ((*wp >> 8) & 0xff);
193 }
194 /* have to word swap the one 32 bit field */
195 id->lba_capacity = ((id->lba_capacity & 0xffff) << 16) |
196 ((id->lba_capacity >> 16) & 0xffff);
197#endif
198}
199
200
201static IDE_INLINE void
202ide_release_lock (int *ide_lock)
203{
204}
205
206
207static IDE_INLINE void
208ide_get_lock(
209 int *ide_lock,
210 void (*handler)(int, void *, struct pt_regs *),
211 void *data)
212{
213}
214
215
216#define ide_ack_intr(hwif) \
217 ((hwif)->hw.ack_intr ? (hwif)->hw.ack_intr(hwif) : 1)
218#define ide__sti() __sti()
219
220/****************************************************************************/
221/*
222 * System specific IO requirements
223 */
224
225#ifdef CONFIG_COLDFIRE
226
227#ifdef CONFIG_SECUREEDGEMP3
228
229/* Replace standard IO functions for funky mapping of MP3 board */
230#undef outb
231#undef outb_p
232#undef inb
233#undef inb_p
234
235#define outb(v, a) ide_outb(v, (unsigned long) (a))
236#define outb_p(v, a) ide_outb(v, (unsigned long) (a))
237#define inb(a) ide_inb((unsigned long) (a))
238#define inb_p(a) ide_inb((unsigned long) (a))
239
240#define ADDR8_PTR(addr) (((addr) & 0x1) ? (0x8000 + (addr) - 1) : (addr))
241#define ADDR16_PTR(addr) (addr)
242#define ADDR32_PTR(addr) (addr)
243#define SWAP8(w) ((((w) & 0xffff) << 8) | (((w) & 0xffff) >> 8))
244#define SWAP16(w) (w)
245#define SWAP32(w) (w)
246
247
248static IDE_INLINE void
249ide_outb(unsigned int val, unsigned int addr)
250{
251 volatile unsigned short *rp;
252
253 DBGIDE("%s(val=%x,addr=%x)\n", __FUNCTION__, val, addr);
254 rp = (volatile unsigned short *) ADDR8_PTR(addr);
255 *rp = SWAP8(val);
256}
257
258
259static IDE_INLINE int
260ide_inb(unsigned int addr)
261{
262 volatile unsigned short *rp, val;
263
264 DBGIDE("%s(addr=%x)\n", __FUNCTION__, addr);
265 rp = (volatile unsigned short *) ADDR8_PTR(addr);
266 val = *rp;
267 return(SWAP8(val));
268}
269
270
271static IDE_INLINE void
272ide_outw(unsigned int val, unsigned int addr)
273{
274 volatile unsigned short *rp;
275
276 DBGIDE("%s(val=%x,addr=%x)\n", __FUNCTION__, val, addr);
277 rp = (volatile unsigned short *) ADDR16_PTR(addr);
278 *rp = SWAP16(val);
279}
280
281static IDE_INLINE void
282ide_outsw(unsigned int addr, const void *vbuf, unsigned long len)
283{
284 volatile unsigned short *rp, val;
285 unsigned short *buf;
286
287 DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len);
288 buf = (unsigned short *) vbuf;
289 rp = (volatile unsigned short *) ADDR16_PTR(addr);
290 for (; (len > 0); len--) {
291 val = *buf++;
292 *rp = SWAP16(val);
293 }
294}
295
296static IDE_INLINE int
297ide_inw(unsigned int addr)
298{
299 volatile unsigned short *rp, val;
300
301 DBGIDE("%s(addr=%x)\n", __FUNCTION__, addr);
302 rp = (volatile unsigned short *) ADDR16_PTR(addr);
303 val = *rp;
304 return(SWAP16(val));
305}
306
307static IDE_INLINE void
308ide_insw(unsigned int addr, void *vbuf, unsigned long len)
309{
310 volatile unsigned short *rp;
311 unsigned short w, *buf;
312
313 DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len);
314 buf = (unsigned short *) vbuf;
315 rp = (volatile unsigned short *) ADDR16_PTR(addr);
316 for (; (len > 0); len--) {
317 w = *rp;
318 *buf++ = SWAP16(w);
319 }
320}
321
322static IDE_INLINE void
323ide_insl(unsigned int addr, void *vbuf, unsigned long len)
324{
325 volatile unsigned long *rp;
326 unsigned long w, *buf;
327
328 DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len);
329 buf = (unsigned long *) vbuf;
330 rp = (volatile unsigned long *) ADDR32_PTR(addr);
331 for (; (len > 0); len--) {
332 w = *rp;
333 *buf++ = SWAP32(w);
334 }
335}
336
337static IDE_INLINE void
338ide_outsl(unsigned int addr, const void *vbuf, unsigned long len)
339{
340 volatile unsigned long *rp, val;
341 unsigned long *buf;
342
343 DBGIDE("%s(addr=%x,vbuf=%p,len=%x)\n", __FUNCTION__, addr, vbuf, len);
344 buf = (unsigned long *) vbuf;
345 rp = (volatile unsigned long *) ADDR32_PTR(addr);
346 for (; (len > 0); len--) {
347 val = *buf++;
348 *rp = SWAP32(val);
349 }
350}
351
352#elif CONFIG_eLIA
353
354/* 8/16 bit acesses are controlled by flicking bits in the CS register */
355#define ACCESS_MODE_16BIT() \
356 *((volatile unsigned short *) (MCF_MBAR + MCFSIM_LOCALCS)) = 0x0080
357#define ACCESS_MODE_8BIT() \
358 *((volatile unsigned short *) (MCF_MBAR + MCFSIM_LOCALCS)) = 0x0040
359
360
361static IDE_INLINE void
362ide_outw(unsigned int val, unsigned int addr)
363{
364 ACCESS_MODE_16BIT();
365 outw(val, addr);
366 ACCESS_MODE_8BIT();
367}
368
369static IDE_INLINE void
370ide_outsw(unsigned int addr, const void *vbuf, unsigned long len)
371{
372 ACCESS_MODE_16BIT();
373 outsw(addr, vbuf, len);
374 ACCESS_MODE_8BIT();
375}
376
377static IDE_INLINE int
378ide_inw(unsigned int addr)
379{
380 int ret;
381
382 ACCESS_MODE_16BIT();
383 ret = inw(addr);
384 ACCESS_MODE_8BIT();
385 return(ret);
386}
387
388static IDE_INLINE void
389ide_insw(unsigned int addr, void *vbuf, unsigned long len)
390{
391 ACCESS_MODE_16BIT();
392 insw(addr, vbuf, len);
393 ACCESS_MODE_8BIT();
394}
395
396static IDE_INLINE void
397ide_insl(unsigned int addr, void *vbuf, unsigned long len)
398{
399 ACCESS_MODE_16BIT();
400 insl(addr, vbuf, len);
401 ACCESS_MODE_8BIT();
402}
403
404static IDE_INLINE void
405ide_outsl(unsigned int addr, const void *vbuf, unsigned long len)
406{
407 ACCESS_MODE_16BIT();
408 outsl(addr, vbuf, len);
409 ACCESS_MODE_8BIT();
410}
411
412#endif /* CONFIG_SECUREEDGEMP3 */
413
414#undef outw
415#undef outw_p
416#undef outsw
417#undef inw
418#undef inw_p
419#undef insw
420#undef insl
421#undef outsl
422
423#define outw(v, a) ide_outw(v, (unsigned long) (a))
424#define outw_p(v, a) ide_outw(v, (unsigned long) (a))
425#define outsw(a, b, n) ide_outsw((unsigned long) (a), b, n)
426#define inw(a) ide_inw((unsigned long) (a))
427#define inw_p(a) ide_inw((unsigned long) (a))
428#define insw(a, b, n) ide_insw((unsigned long) (a), b, n)
429#define insl(a, b, n) ide_insl((unsigned long) (a), b, n)
430#define outsl(a, b, n) ide_outsl((unsigned long) (a), b, n)
431
432#endif CONFIG_COLDFIRE
433
434/****************************************************************************/
435#endif /* __KERNEL__ */
436#endif /* _M68KNOMMU_IDE_H */
437/****************************************************************************/
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-14 03:56:05 -0500