2 * (C) Copyright 2000-2006
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
7 ********************************************************************
9 * Lots of code copied from:
11 * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series.
12 * (C) 1999-2000 Magnus Damm <damm@bitsmart.com>
14 * "The ExCA standard specifies that socket controllers should provide
15 * two IO and five memory windows per socket, which can be independently
16 * configured and positioned in the host address space and mapped to
17 * arbitrary segments of card address space. " - David A Hinds. 1999
19 * This controller does _not_ meet the ExCA standard.
21 * m8xx pcmcia controller brief info:
22 * + 8 windows (attrib, mem, i/o)
23 * + up to two slots (SLOT_A and SLOT_B)
24 * + inputpins, outputpins, event and mask registers.
25 * - no offset register. sigh.
27 * Because of the lacking offset register we must map the whole card.
28 * We assign each memory window PCMCIA_MEM_WIN_SIZE address space.
29 * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO
30 * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE.
31 * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE.
32 * They are maximum 64KByte each...
46 /* -------------------------------------------------------------------- */
48 #if defined(CONFIG_CMD_PCMCIA)
50 extern int pcmcia_on (void);
51 extern int pcmcia_off (void);
53 int do_pinit (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
58 printf ("Usage: pinit {on | off}\n");
61 if (strcmp(argv
[1],"on") == 0) {
63 } else if (strcmp(argv
[1],"off") == 0) {
64 rcode
= pcmcia_off ();
66 printf ("Usage: pinit {on | off}\n");
74 pinit
, 2, 0, do_pinit
,
76 "on - power on PCMCIA socket\n"
77 "pinit off - power off PCMCIA socket"
82 /* -------------------------------------------------------------------- */
84 #undef CHECK_IDE_DEVICE
86 #if defined(CONFIG_PXA_PCMCIA)
87 #define CHECK_IDE_DEVICE
90 #ifdef CHECK_IDE_DEVICE
92 int ide_devices_found
;
93 static uchar
*known_cards
[] = {
94 (uchar
*)"ARGOSY PnPIDE D5",
98 #define MAX_TUPEL_SZ 512
99 #define MAX_FEATURES 4
101 #define MAX_IDENT_CHARS 64
102 #define MAX_IDENT_FIELDS 4
106 static void print_funcid (int func
)
110 case CISTPL_FUNCID_MULTI
:
111 puts (" Multi-Function");
113 case CISTPL_FUNCID_MEMORY
:
116 case CISTPL_FUNCID_SERIAL
:
117 puts (" Serial Port");
119 case CISTPL_FUNCID_PARALLEL
:
120 puts (" Parallel Port");
122 case CISTPL_FUNCID_FIXED
:
123 puts (" Fixed Disk");
125 case CISTPL_FUNCID_VIDEO
:
126 puts (" Video Adapter");
128 case CISTPL_FUNCID_NETWORK
:
129 puts (" Network Adapter");
131 case CISTPL_FUNCID_AIMS
:
134 case CISTPL_FUNCID_SCSI
:
135 puts (" SCSI Adapter");
144 static void print_fixed (volatile uchar
*p
)
152 case CISTPL_FUNCE_IDE_IFACE
:
153 { uchar iface
= *(p
+2);
155 puts ((iface
== CISTPL_IDE_INTERFACE
) ? " IDE" : " unknown");
156 puts (" interface ");
159 case CISTPL_FUNCE_IDE_MASTER
:
160 case CISTPL_FUNCE_IDE_SLAVE
:
164 puts ((f1
& CISTPL_IDE_SILICON
) ? " [silicon]" : " [rotating]");
166 if (f1
& CISTPL_IDE_UNIQUE
)
169 puts ((f1
& CISTPL_IDE_DUAL
) ? " [dual]" : " [single]");
171 if (f2
& CISTPL_IDE_HAS_SLEEP
)
174 if (f2
& CISTPL_IDE_HAS_STANDBY
)
177 if (f2
& CISTPL_IDE_HAS_IDLE
)
180 if (f2
& CISTPL_IDE_LOW_POWER
)
181 puts (" [low power]");
183 if (f2
& CISTPL_IDE_REG_INHIBIT
)
184 puts (" [reg inhibit]");
186 if (f2
& CISTPL_IDE_HAS_INDEX
)
189 if (f2
& CISTPL_IDE_IOIS16
)
198 static int identify (volatile uchar
*p
)
200 uchar id_str
[MAX_IDENT_CHARS
];
207 return (0); /* Don't know */
212 for (i
=0; i
<=4 && !done
; ++i
, p
+=2) {
213 while ((data
= *p
) != '\0') {
219 if (t
== &id_str
[MAX_IDENT_CHARS
-1]) {
229 while (--t
> id_str
) {
235 puts ((char *)id_str
);
238 for (card
=known_cards
; *card
; ++card
) {
239 debug ("## Compare against \"%s\"\n", *card
);
240 if (strcmp((char *)*card
, (char *)id_str
) == 0) { /* found! */
241 debug ("## CARD FOUND ##\n");
246 return (0); /* don't know */
249 int check_ide_device (int slot
)
251 volatile uchar
*ident
= NULL
;
252 volatile uchar
*feature_p
[MAX_FEATURES
];
253 volatile uchar
*p
, *start
, *addr
;
257 ushort config_base
= 0;
261 addr
= (volatile uchar
*)(CONFIG_SYS_PCMCIA_MEM_ADDR
+
262 CONFIG_SYS_PCMCIA_MEM_SIZE
* (slot
* 4));
263 debug ("PCMCIA MEM: %08lX\n", (ulong
)addr
);
265 start
= p
= (volatile uchar
*) addr
;
267 while ((p
- start
) < MAX_TUPEL_SZ
) {
271 if (code
== 0xFF) { /* End of chain */
276 #if defined(DEBUG) && (DEBUG > 1)
277 { volatile uchar
*q
= p
;
278 printf ("\nTuple code %02x length %d\n\tData:",
281 for (i
= 0; i
< len
; ++i
) {
282 printf (" %02x", *q
);
292 /* Fix for broken SanDisk which may have 0x80 bit set */
296 if (n_features
< MAX_FEATURES
)
297 feature_p
[n_features
++] = p
;
300 config_base
= (*(p
+6) << 8) + (*(p
+4));
301 debug ("\n## Config_base = %04x ###\n", config_base
);
308 found
= identify (ident
);
310 if (func_id
!= ((uchar
)~0)) {
311 print_funcid (func_id
);
313 if (func_id
== CISTPL_FUNCID_FIXED
)
316 return (1); /* no disk drive */
319 for (i
=0; i
<n_features
; ++i
) {
320 print_fixed (feature_p
[i
]);
324 printf ("unknown card type\n");
328 ide_devices_found
|= (1 << slot
);
330 /* set I/O area in config reg -> only valid for ARGOSY D5!!! */
331 *((uchar
*)(addr
+ config_base
)) = 1;
333 printf("\n## Config_base = %04x ###\n", config_base
);
334 printf("Configuration Option Register: %02x @ %x\n", readb(addr
+ config_base
), addr
+ config_base
);
335 printf("Card Configuration and Status Register: %02x\n", readb(addr
+ config_base
+ 2));
336 printf("Pin Replacement Register Register: %02x\n", readb(addr
+ config_base
+ 4));
337 printf("Socket and Copy Register: %02x\n", readb(addr
+ config_base
+ 6));
342 #endif /* CHECK_IDE_DEVICE */