1 // SPDX-License-Identifier: GPL-2.0+
3 * (C) Copyright 2000-2006
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
6 ********************************************************************
8 * Lots of code copied from:
10 * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series.
11 * (C) 1999-2000 Magnus Damm <damm@bitsmart.com>
13 * "The ExCA standard specifies that socket controllers should provide
14 * two IO and five memory windows per socket, which can be independently
15 * configured and positioned in the host address space and mapped to
16 * arbitrary segments of card address space. " - David A Hinds. 1999
18 * This controller does _not_ meet the ExCA standard.
20 * m8xx pcmcia controller brief info:
21 * + 8 windows (attrib, mem, i/o)
22 * + up to two slots (SLOT_A and SLOT_B)
23 * + inputpins, outputpins, event and mask registers.
24 * - no offset register. sigh.
26 * Because of the lacking offset register we must map the whole card.
27 * We assign each memory window PCMCIA_MEM_WIN_SIZE address space.
28 * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO
29 * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE.
30 * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE.
31 * They are maximum 64KByte each...
45 /* -------------------------------------------------------------------- */
47 #if defined(CONFIG_CMD_PCMCIA)
49 extern int pcmcia_on (void);
50 extern int pcmcia_off (void);
52 int do_pinit (cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
57 printf ("Usage: pinit {on | off}\n");
60 if (strcmp(argv
[1],"on") == 0) {
62 } else if (strcmp(argv
[1],"off") == 0) {
63 rcode
= pcmcia_off ();
65 printf ("Usage: pinit {on | off}\n");
73 pinit
, 2, 0, do_pinit
,
75 "on - power on PCMCIA socket\n"
76 "pinit off - power off PCMCIA socket"
81 /* -------------------------------------------------------------------- */
83 #undef CHECK_IDE_DEVICE
85 #if defined(CONFIG_PXA_PCMCIA)
86 #define CHECK_IDE_DEVICE
89 #ifdef CHECK_IDE_DEVICE
91 int ide_devices_found
;
92 static uchar
*known_cards
[] = {
93 (uchar
*)"ARGOSY PnPIDE D5",
97 #define MAX_TUPEL_SZ 512
98 #define MAX_FEATURES 4
100 #define MAX_IDENT_CHARS 64
101 #define MAX_IDENT_FIELDS 4
105 static void print_funcid (int func
)
109 case CISTPL_FUNCID_MULTI
:
110 puts (" Multi-Function");
112 case CISTPL_FUNCID_MEMORY
:
115 case CISTPL_FUNCID_SERIAL
:
116 puts (" Serial Port");
118 case CISTPL_FUNCID_PARALLEL
:
119 puts (" Parallel Port");
121 case CISTPL_FUNCID_FIXED
:
122 puts (" Fixed Disk");
124 case CISTPL_FUNCID_VIDEO
:
125 puts (" Video Adapter");
127 case CISTPL_FUNCID_NETWORK
:
128 puts (" Network Adapter");
130 case CISTPL_FUNCID_AIMS
:
133 case CISTPL_FUNCID_SCSI
:
134 puts (" SCSI Adapter");
143 static void print_fixed (volatile uchar
*p
)
151 case CISTPL_FUNCE_IDE_IFACE
:
152 { uchar iface
= *(p
+2);
154 puts ((iface
== CISTPL_IDE_INTERFACE
) ? " IDE" : " unknown");
155 puts (" interface ");
158 case CISTPL_FUNCE_IDE_MASTER
:
159 case CISTPL_FUNCE_IDE_SLAVE
:
163 puts ((f1
& CISTPL_IDE_SILICON
) ? " [silicon]" : " [rotating]");
165 if (f1
& CISTPL_IDE_UNIQUE
)
168 puts ((f1
& CISTPL_IDE_DUAL
) ? " [dual]" : " [single]");
170 if (f2
& CISTPL_IDE_HAS_SLEEP
)
173 if (f2
& CISTPL_IDE_HAS_STANDBY
)
176 if (f2
& CISTPL_IDE_HAS_IDLE
)
179 if (f2
& CISTPL_IDE_LOW_POWER
)
180 puts (" [low power]");
182 if (f2
& CISTPL_IDE_REG_INHIBIT
)
183 puts (" [reg inhibit]");
185 if (f2
& CISTPL_IDE_HAS_INDEX
)
188 if (f2
& CISTPL_IDE_IOIS16
)
197 static int identify (volatile uchar
*p
)
199 uchar id_str
[MAX_IDENT_CHARS
];
206 return (0); /* Don't know */
211 for (i
=0; i
<=4 && !done
; ++i
, p
+=2) {
212 while ((data
= *p
) != '\0') {
218 if (t
== &id_str
[MAX_IDENT_CHARS
-1]) {
228 while (--t
> id_str
) {
234 puts ((char *)id_str
);
237 for (card
=known_cards
; *card
; ++card
) {
238 debug ("## Compare against \"%s\"\n", *card
);
239 if (strcmp((char *)*card
, (char *)id_str
) == 0) { /* found! */
240 debug ("## CARD FOUND ##\n");
245 return (0); /* don't know */
248 int check_ide_device (int slot
)
250 volatile uchar
*ident
= NULL
;
251 volatile uchar
*feature_p
[MAX_FEATURES
];
252 volatile uchar
*p
, *start
, *addr
;
256 ushort config_base
= 0;
260 addr
= (volatile uchar
*)(CONFIG_SYS_PCMCIA_MEM_ADDR
+
261 CONFIG_SYS_PCMCIA_MEM_SIZE
* (slot
* 4));
262 debug ("PCMCIA MEM: %08lX\n", (ulong
)addr
);
264 start
= p
= (volatile uchar
*) addr
;
266 while ((p
- start
) < MAX_TUPEL_SZ
) {
270 if (code
== 0xFF) { /* End of chain */
275 #if defined(DEBUG) && (DEBUG > 1)
276 { volatile uchar
*q
= p
;
277 printf ("\nTuple code %02x length %d\n\tData:",
280 for (i
= 0; i
< len
; ++i
) {
281 printf (" %02x", *q
);
291 /* Fix for broken SanDisk which may have 0x80 bit set */
295 if (n_features
< MAX_FEATURES
)
296 feature_p
[n_features
++] = p
;
299 config_base
= (*(p
+6) << 8) + (*(p
+4));
300 debug ("\n## Config_base = %04x ###\n", config_base
);
307 found
= identify (ident
);
309 if (func_id
!= ((uchar
)~0)) {
310 print_funcid (func_id
);
312 if (func_id
== CISTPL_FUNCID_FIXED
)
315 return (1); /* no disk drive */
318 for (i
=0; i
<n_features
; ++i
) {
319 print_fixed (feature_p
[i
]);
323 printf ("unknown card type\n");
327 ide_devices_found
|= (1 << slot
);
329 /* set I/O area in config reg -> only valid for ARGOSY D5!!! */
330 *((uchar
*)(addr
+ config_base
)) = 1;
332 printf("\n## Config_base = %04x ###\n", config_base
);
333 printf("Configuration Option Register: %02x @ %x\n", readb(addr
+ config_base
), addr
+ config_base
);
334 printf("Card Configuration and Status Register: %02x\n", readb(addr
+ config_base
+ 2));
335 printf("Pin Replacement Register Register: %02x\n", readb(addr
+ config_base
+ 4));
336 printf("Socket and Copy Register: %02x\n", readb(addr
+ config_base
+ 6));
341 #endif /* CHECK_IDE_DEVICE */