2 * (C) Copyright 2003-2005
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
6 ********************************************************************
8 * Lots of code copied from:
10 * i82365.c 1.352 - Linux driver for Intel 82365 and compatible
11 * PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers.
12 * (C) 1999 David A. Hinds <dahinds@users.sourceforge.net>
24 #include <pcmcia/ss.h>
25 #include <pcmcia/i82365.h>
26 #include <pcmcia/yenta.h>
27 #include <pcmcia/ti113x.h>
29 static struct pci_device_id supported
[] = {
30 {PCI_VENDOR_ID_TI
, PCI_DEVICE_ID_TI_1510
},
34 #define CYCLE_TIME 120
37 static void i82365_dump_regions (pci_dev_t dev
);
40 typedef struct socket_info_t
{
43 u_char pci_lat
, cb_lat
, sub_bus
, cache
;
52 static socket_info_t socket
;
53 static socket_state_t state
;
54 static struct pccard_mem_map mem
;
55 static struct pccard_io_map io
;
57 /*====================================================================*/
59 /* Some PCI shortcuts */
61 static int pci_readb (socket_info_t
* s
, int r
, u_char
* v
)
63 return pci_read_config_byte (s
->dev
, r
, v
);
65 static int pci_writeb (socket_info_t
* s
, int r
, u_char v
)
67 return pci_write_config_byte (s
->dev
, r
, v
);
69 static int pci_readw (socket_info_t
* s
, int r
, u_short
* v
)
71 return pci_read_config_word (s
->dev
, r
, v
);
73 static int pci_writew (socket_info_t
* s
, int r
, u_short v
)
75 return pci_write_config_word (s
->dev
, r
, v
);
77 static int pci_readl (socket_info_t
* s
, int r
, u_int
* v
)
79 return pci_read_config_dword (s
->dev
, r
, v
);
81 static int pci_writel (socket_info_t
* s
, int r
, u_int v
)
83 return pci_write_config_dword (s
->dev
, r
, v
);
86 /*====================================================================*/
88 #define cb_readb(s, r) readb((s)->cb_phys + (r))
89 #define cb_readl(s, r) readl((s)->cb_phys + (r))
90 #define cb_writeb(s, r, v) writeb(v, (s)->cb_phys + (r))
91 #define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r))
93 static u_char
i365_get (socket_info_t
* s
, u_short reg
)
95 return cb_readb (s
, 0x0800 + reg
);
98 static void i365_set (socket_info_t
* s
, u_short reg
, u_char data
)
100 cb_writeb (s
, 0x0800 + reg
, data
);
103 static void i365_bset (socket_info_t
* s
, u_short reg
, u_char mask
)
105 i365_set (s
, reg
, i365_get (s
, reg
) | mask
);
108 static void i365_bclr (socket_info_t
* s
, u_short reg
, u_char mask
)
110 i365_set (s
, reg
, i365_get (s
, reg
) & ~mask
);
114 static void i365_bflip (socket_info_t
* s
, u_short reg
, u_char mask
, int b
)
116 u_char d
= i365_get (s
, reg
);
118 i365_set (s
, reg
, (b
) ? (d
| mask
) : (d
& ~mask
));
121 static u_short
i365_get_pair (socket_info_t
* s
, u_short reg
)
123 return (i365_get (s
, reg
) + (i365_get (s
, reg
+ 1) << 8));
125 #endif /* not used */
127 static void i365_set_pair (socket_info_t
* s
, u_short reg
, u_short data
)
129 i365_set (s
, reg
, data
& 0xff);
130 i365_set (s
, reg
+ 1, data
>> 8);
133 /*======================================================================
135 Code to save and restore global state information for TI 1130 and
136 TI 1131 controllers, and to set and report global configuration
139 ======================================================================*/
141 static void ti113x_get_state (socket_info_t
* s
)
143 ti113x_state_t
*p
= &s
->state
;
145 pci_readl (s
, TI113X_SYSTEM_CONTROL
, &p
->sysctl
);
146 pci_readb (s
, TI113X_CARD_CONTROL
, &p
->cardctl
);
147 pci_readb (s
, TI113X_DEVICE_CONTROL
, &p
->devctl
);
148 pci_readb (s
, TI1250_DIAGNOSTIC
, &p
->diag
);
149 pci_readl (s
, TI12XX_IRQMUX
, &p
->irqmux
);
152 static void ti113x_set_state (socket_info_t
* s
)
154 ti113x_state_t
*p
= &s
->state
;
156 pci_writel (s
, TI113X_SYSTEM_CONTROL
, p
->sysctl
);
157 pci_writeb (s
, TI113X_CARD_CONTROL
, p
->cardctl
);
158 pci_writeb (s
, TI113X_DEVICE_CONTROL
, p
->devctl
);
159 pci_writeb (s
, TI1250_MULTIMEDIA_CTL
, 0);
160 pci_writeb (s
, TI1250_DIAGNOSTIC
, p
->diag
);
161 pci_writel (s
, TI12XX_IRQMUX
, p
->irqmux
);
162 i365_set_pair (s
, TI113X_IO_OFFSET (0), 0);
163 i365_set_pair (s
, TI113X_IO_OFFSET (1), 0);
166 static u_int
ti113x_set_opts (socket_info_t
* s
)
168 ti113x_state_t
*p
= &s
->state
;
171 p
->cardctl
&= ~TI113X_CCR_ZVENABLE
;
172 p
->cardctl
|= TI113X_CCR_SPKROUTEN
;
177 /*======================================================================
179 Routines to handle common CardBus options
181 ======================================================================*/
183 /* Default settings for PCI command configuration register */
184 #define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \
185 PCI_COMMAND_MASTER|PCI_COMMAND_WAIT)
187 static void cb_get_state (socket_info_t
* s
)
189 pci_readb (s
, PCI_CACHE_LINE_SIZE
, &s
->cache
);
190 pci_readb (s
, PCI_LATENCY_TIMER
, &s
->pci_lat
);
191 pci_readb (s
, CB_LATENCY_TIMER
, &s
->cb_lat
);
192 pci_readb (s
, CB_CARDBUS_BUS
, &s
->cap
.cardbus
);
193 pci_readb (s
, CB_SUBORD_BUS
, &s
->sub_bus
);
194 pci_readw (s
, CB_BRIDGE_CONTROL
, &s
->bcr
);
197 static void cb_set_state (socket_info_t
* s
)
199 pci_writel (s
, CB_LEGACY_MODE_BASE
, 0);
200 pci_writel (s
, PCI_BASE_ADDRESS_0
, s
->cb_phys
);
201 pci_writew (s
, PCI_COMMAND
, CMD_DFLT
);
202 pci_writeb (s
, PCI_CACHE_LINE_SIZE
, s
->cache
);
203 pci_writeb (s
, PCI_LATENCY_TIMER
, s
->pci_lat
);
204 pci_writeb (s
, CB_LATENCY_TIMER
, s
->cb_lat
);
205 pci_writeb (s
, CB_CARDBUS_BUS
, s
->cap
.cardbus
);
206 pci_writeb (s
, CB_SUBORD_BUS
, s
->sub_bus
);
207 pci_writew (s
, CB_BRIDGE_CONTROL
, s
->bcr
);
210 static void cb_set_opts (socket_info_t
* s
)
220 /*======================================================================
222 Power control for Cardbus controllers: used both for 16-bit and
225 ======================================================================*/
227 static int cb_set_power (socket_info_t
* s
, socket_state_t
* state
)
231 /* restart card voltage detection if it seems appropriate */
232 if ((state
->Vcc
== 0) && (state
->Vpp
== 0) &&
233 !(cb_readl (s
, CB_SOCKET_STATE
) & CB_SS_VSENSE
))
234 cb_writel (s
, CB_SOCKET_FORCE
, CB_SF_CVSTEST
);
235 switch (state
->Vcc
) {
248 switch (state
->Vpp
) {
258 reg
|= CB_SC_VPP_12V
;
263 if (reg
!= cb_readl (s
, CB_SOCKET_CONTROL
))
264 cb_writel (s
, CB_SOCKET_CONTROL
, reg
);
269 /*======================================================================
271 Generic routines to get and set controller options
273 ======================================================================*/
275 static void get_bridge_state (socket_info_t
* s
)
277 ti113x_get_state (s
);
281 static void set_bridge_state (socket_info_t
* s
)
284 i365_set (s
, I365_GBLCTL
, 0x00);
285 i365_set (s
, I365_GENCTL
, 0x00);
286 ti113x_set_state (s
);
289 static void set_bridge_opts (socket_info_t
* s
)
295 /*====================================================================*/
296 #define PD67_EXT_INDEX 0x2e /* Extension index */
297 #define PD67_EXT_DATA 0x2f /* Extension data */
298 #define PD67_EXD_VS1(s) (0x01 << ((s)<<1))
300 #define pd67_ext_get(s, r) \
301 (i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA))
303 static int i365_get_status (socket_info_t
* s
, u_int
* value
)
307 status
= i365_get (s
, I365_IDENT
);
308 status
= i365_get (s
, I365_STATUS
);
309 *value
= ((status
& I365_CS_DETECT
) == I365_CS_DETECT
) ? SS_DETECT
: 0;
310 if (i365_get (s
, I365_INTCTL
) & I365_PC_IOCARD
) {
311 *value
|= (status
& I365_CS_STSCHG
) ? 0 : SS_STSCHG
;
313 *value
|= (status
& I365_CS_BVD1
) ? 0 : SS_BATDEAD
;
314 *value
|= (status
& I365_CS_BVD2
) ? 0 : SS_BATWARN
;
316 *value
|= (status
& I365_CS_WRPROT
) ? SS_WRPROT
: 0;
317 *value
|= (status
& I365_CS_READY
) ? SS_READY
: 0;
318 *value
|= (status
& I365_CS_POWERON
) ? SS_POWERON
: 0;
320 status
= cb_readl (s
, CB_SOCKET_STATE
);
321 *value
|= (status
& CB_SS_32BIT
) ? SS_CARDBUS
: 0;
322 *value
|= (status
& CB_SS_3VCARD
) ? SS_3VCARD
: 0;
323 *value
|= (status
& CB_SS_XVCARD
) ? SS_XVCARD
: 0;
324 *value
|= (status
& CB_SS_VSENSE
) ? 0 : SS_PENDING
;
325 /* For now, ignore cards with unsupported voltage keys */
326 if (*value
& SS_XVCARD
)
327 *value
&= ~(SS_DETECT
| SS_3VCARD
| SS_XVCARD
);
330 } /* i365_get_status */
332 static int i365_set_socket (socket_info_t
* s
, socket_state_t
* state
)
336 set_bridge_state (s
);
338 /* IO card, RESET flag */
340 reg
|= (state
->flags
& SS_RESET
) ? 0 : I365_PC_RESET
;
341 reg
|= (state
->flags
& SS_IOCARD
) ? I365_PC_IOCARD
: 0;
342 i365_set (s
, I365_INTCTL
, reg
);
344 reg
= I365_PWR_NORESET
;
345 if (state
->flags
& SS_PWR_AUTO
)
346 reg
|= I365_PWR_AUTO
;
347 if (state
->flags
& SS_OUTPUT_ENA
)
350 cb_set_power (s
, state
);
351 reg
|= i365_get (s
, I365_POWER
) & (I365_VCC_MASK
| I365_VPP1_MASK
);
353 if (reg
!= i365_get (s
, I365_POWER
))
354 i365_set (s
, I365_POWER
, reg
);
357 } /* i365_set_socket */
359 /*====================================================================*/
361 static int i365_set_mem_map (socket_info_t
* s
, struct pccard_mem_map
*mem
)
366 debug ("i82365: SetMemMap(%d, %#2.2x, %d ns, %#5.5lx-%#5.5lx, %#5.5x)\n",
367 mem
->map
, mem
->flags
, mem
->speed
,
368 mem
->sys_start
, mem
->sys_stop
, mem
->card_start
);
372 (mem
->card_start
> 0x3ffffff) ||
373 (mem
->sys_start
> mem
->sys_stop
) ||
374 (mem
->speed
> 1000)) {
378 /* Turn off the window before changing anything */
379 if (i365_get (s
, I365_ADDRWIN
) & I365_ENA_MEM (map
))
380 i365_bclr (s
, I365_ADDRWIN
, I365_ENA_MEM (map
));
382 /* Take care of high byte, for PCI controllers */
383 i365_set (s
, CB_MEM_PAGE (map
), mem
->sys_start
>> 24);
385 base
= I365_MEM (map
);
386 i
= (mem
->sys_start
>> 12) & 0x0fff;
387 if (mem
->flags
& MAP_16BIT
)
389 if (mem
->flags
& MAP_0WS
)
391 i365_set_pair (s
, base
+ I365_W_START
, i
);
393 i
= (mem
->sys_stop
>> 12) & 0x0fff;
394 switch (mem
->speed
/ CYCLE_TIME
) {
404 i
|= I365_MEM_WS1
| I365_MEM_WS0
;
407 i365_set_pair (s
, base
+ I365_W_STOP
, i
);
409 i
= ((mem
->card_start
- mem
->sys_start
) >> 12) & 0x3fff;
410 if (mem
->flags
& MAP_WRPROT
)
411 i
|= I365_MEM_WRPROT
;
412 if (mem
->flags
& MAP_ATTRIB
)
414 i365_set_pair (s
, base
+ I365_W_OFF
, i
);
416 /* Turn on the window if necessary */
417 if (mem
->flags
& MAP_ACTIVE
)
418 i365_bset (s
, I365_ADDRWIN
, I365_ENA_MEM (map
));
420 } /* i365_set_mem_map */
422 static int i365_set_io_map (socket_info_t
* s
, struct pccard_io_map
*io
)
427 /* comment out: comparison is always false due to limited range of data type */
428 if ((map
> 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */
429 (io
->stop
< io
->start
))
431 /* Turn off the window before changing anything */
432 if (i365_get (s
, I365_ADDRWIN
) & I365_ENA_IO (map
))
433 i365_bclr (s
, I365_ADDRWIN
, I365_ENA_IO (map
));
434 i365_set_pair (s
, I365_IO (map
) + I365_W_START
, io
->start
);
435 i365_set_pair (s
, I365_IO (map
) + I365_W_STOP
, io
->stop
);
436 ioctl
= i365_get (s
, I365_IOCTL
) & ~I365_IOCTL_MASK (map
);
438 ioctl
|= I365_IOCTL_WAIT (map
);
439 if (io
->flags
& MAP_0WS
)
440 ioctl
|= I365_IOCTL_0WS (map
);
441 if (io
->flags
& MAP_16BIT
)
442 ioctl
|= I365_IOCTL_16BIT (map
);
443 if (io
->flags
& MAP_AUTOSZ
)
444 ioctl
|= I365_IOCTL_IOCS16 (map
);
445 i365_set (s
, I365_IOCTL
, ioctl
);
446 /* Turn on the window if necessary */
447 if (io
->flags
& MAP_ACTIVE
)
448 i365_bset (s
, I365_ADDRWIN
, I365_ENA_IO (map
));
450 } /* i365_set_io_map */
452 /*====================================================================*/
454 static int i82365_init (void)
459 if ((socket
.dev
= pci_find_devices (supported
, 0)) < 0) {
460 /* Controller not found */
463 debug ("i82365 Device Found!\n");
465 pci_read_config_dword (socket
.dev
, PCI_BASE_ADDRESS_0
, &socket
.cb_phys
);
466 socket
.cb_phys
&= ~0xf;
468 get_bridge_state (&socket
);
469 set_bridge_opts (&socket
);
471 i
= i365_get_status (&socket
, &val
);
473 if (val
& SS_DETECT
) {
474 if (val
& SS_3VCARD
) {
475 state
.Vcc
= state
.Vpp
= 33;
476 puts (" 3.3V card found: ");
477 } else if (!(val
& SS_XVCARD
)) {
478 state
.Vcc
= state
.Vpp
= 50;
479 puts (" 5.0V card found: ");
481 puts ("i82365: unsupported voltage key\n");
482 state
.Vcc
= state
.Vpp
= 0;
485 /* No card inserted */
490 state
.flags
= SS_IOCARD
| SS_OUTPUT_ENA
;
494 i365_set_socket (&socket
, &state
);
496 for (i
= 500; i
; i
--) {
497 if ((i365_get (&socket
, I365_STATUS
) & I365_CS_READY
))
503 /* PC Card not ready for data transfer */
504 puts ("i82365 PC Card not ready for data transfer\n");
507 debug (" PC Card ready for data transfer: ");
510 mem
.flags
= MAP_ATTRIB
| MAP_ACTIVE
;
512 mem
.sys_start
= CONFIG_SYS_PCMCIA_MEM_ADDR
;
513 mem
.sys_stop
= CONFIG_SYS_PCMCIA_MEM_ADDR
+ CONFIG_SYS_PCMCIA_MEM_SIZE
- 1;
515 i365_set_mem_map (&socket
, &mem
);
518 io
.flags
= MAP_AUTOSZ
| MAP_ACTIVE
;
522 i365_set_io_map (&socket
, &io
);
525 i82365_dump_regions (socket
.dev
);
531 static void i82365_exit (void)
539 i365_set_io_map (&socket
, &io
);
545 mem
.sys_stop
= 0x1000;
548 i365_set_mem_map (&socket
, &mem
);
550 socket
.state
.sysctl
&= 0xFFFF00FF;
552 state
.Vcc
= state
.Vpp
= 0;
554 i365_set_socket (&socket
, &state
);
561 debug ("Enable PCMCIA " PCMCIA_SLOT_MSG
"\n");
567 rc
= check_ide_device(0);
577 #if defined(CONFIG_CMD_PCMCIA)
578 int pcmcia_off (void)
580 printf ("Disable PCMCIA " PCMCIA_SLOT_MSG
"\n");
588 /*======================================================================
592 ======================================================================*/
595 static void i82365_dump_regions (pci_dev_t dev
)
598 u_int
*mem
= (void *) socket
.cb_phys
;
599 u_char
*cis
= (void *) CONFIG_SYS_PCMCIA_MEM_ADDR
;
600 u_char
*ide
= (void *) (CONFIG_SYS_ATA_BASE_ADDR
+ CONFIG_SYS_ATA_REG_OFFSET
);
602 pci_read_config_dword (dev
, 0x00, tmp
+ 0);
603 pci_read_config_dword (dev
, 0x80, tmp
+ 1);
605 printf ("PCI CONF: %08X ... %08X\n",
607 printf ("PCI MEM: ... %08X ... %08X\n",
608 mem
[0x8 / 4], mem
[0x800 / 4]);
609 printf ("CIS: ...%c%c%c%c%c%c%c%c...\n",
610 cis
[0x38], cis
[0x3a], cis
[0x3c], cis
[0x3e],
611 cis
[0x40], cis
[0x42], cis
[0x44], cis
[0x48]);
612 printf ("CIS CONF: %02X %02X %02X ...\n",
613 cis
[0x200], cis
[0x202], cis
[0x204]);
614 printf ("IDE: %02X %02X %02X %02X %02X %02X %02X %02X\n",
615 ide
[0], ide
[1], ide
[2], ide
[3],
616 ide
[4], ide
[5], ide
[6], ide
[7]);
620 #endif /* CONFIG_I82365 */