2 #if defined(CONFIG_8xx)
9 #if defined(CONFIG_CMD_PCMCIA)
13 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
17 #if defined(CONFIG_8xx) && defined(CONFIG_PCMCIA)
19 #if defined(CONFIG_IDE_8xx_PCCARD)
20 extern int check_ide_device (int slot
);
23 extern int pcmcia_hardware_enable (int slot
);
24 extern int pcmcia_voltage_set(int slot
, int vcc
, int vpp
);
26 #if defined(CONFIG_CMD_PCMCIA)
27 extern int pcmcia_hardware_disable(int slot
);
30 static u_int
m8xx_get_graycode(u_int size
);
32 static u_int
m8xx_get_speed(u_int ns
, u_int is_io
);
35 /* look up table for pgcrx registers */
36 u_int
*pcmcia_pgcrx
[2] = {
37 &((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_pgcra
,
38 &((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_pgcrb
,
42 * Search this table to see if the windowsize is
46 #define M8XX_SIZES_NO 32
48 static const u_int m8xx_size_to_gray
[M8XX_SIZES_NO
] =
49 { 0x00000001, 0x00000002, 0x00000008, 0x00000004,
50 0x00000080, 0x00000040, 0x00000010, 0x00000020,
51 0x00008000, 0x00004000, 0x00001000, 0x00002000,
52 0x00000100, 0x00000200, 0x00000800, 0x00000400,
54 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff,
55 0x01000000, 0x02000000, 0xffffffff, 0x04000000,
56 0x00010000, 0x00020000, 0x00080000, 0x00040000,
57 0x00800000, 0x00400000, 0x00100000, 0x00200000 };
60 /* -------------------------------------------------------------------- */
63 #define HMI10_FRAM_TIMING ( PCMCIA_SHT(2) \
68 #if defined(CONFIG_LWMON) || defined(CONFIG_NSCU)
69 #define CFG_PCMCIA_TIMING ( PCMCIA_SHT(9) \
73 #define CFG_PCMCIA_TIMING ( PCMCIA_SHT(2) \
78 /* -------------------------------------------------------------------- */
88 debug ("Enable PCMCIA " PCMCIA_SLOT_MSG
"\n");
90 /* intialize the fixed memory windows */
91 win
= (pcmcia_win_t
*)(&((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_pbr0
);
92 base
= CFG_PCMCIA_MEM_ADDR
;
94 if((reg
= m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE
)) == -1) {
95 printf ("Cannot set window size to 0x%08x\n",
100 slotbit
= PCMCIA_SLOT_x
;
101 for (i
=0; i
<PCMCIA_MEM_WIN_NO
; ++i
) {
104 #if (PCMCIA_SOCKETS_NO == 2)
105 if (i
== 4) /* Another slot starting from win 4 */
106 slotbit
= (slotbit
? PCMCIA_PSLOT_A
: PCMCIA_PSLOT_B
);
109 #ifdef CONFIG_IDE_8xx_PCCARD
112 { /* map FRAM area */
113 win
->or = ( PCMCIA_BSIZE_256K
118 | HMI10_FRAM_TIMING
);
122 case 0: { /* map attribute memory */
123 win
->or = ( PCMCIA_BSIZE_64M
128 | CFG_PCMCIA_TIMING
);
132 case 1: { /* map I/O window for data reg */
133 win
->or = ( PCMCIA_BSIZE_1K
138 | CFG_PCMCIA_TIMING
);
142 case 2: { /* map I/O window for cmd/ctrl reg block */
143 win
->or = ( PCMCIA_BSIZE_1K
148 | CFG_PCMCIA_TIMING
);
151 #endif /* CONFIG_IDE_8xx_PCCARD */
153 case 3: { /* map I/O window for 4xUART data/ctrl */
155 win
->or = ( PCMCIA_BSIZE_256K
160 | CFG_PCMCIA_TIMING
);
163 #endif /* CONFIG_HMI10 */
164 default: /* set to not valid */
169 debug ("MemWin %d: PBR 0x%08lX POR %08lX\n",
170 i
, win
->br
, win
->or);
171 base
+= CFG_PCMCIA_MEM_SIZE
;
175 for (i
=0, rc
=0, slot
=_slot_
; i
<PCMCIA_SOCKETS_NO
; i
++, slot
= !slot
) {
176 /* turn off voltage */
177 if ((rc
= pcmcia_voltage_set(slot
, 0, 0)))
180 /* Enable external hardware */
181 if ((rc
= pcmcia_hardware_enable(slot
)))
184 #ifdef CONFIG_IDE_8xx_PCCARD
185 if ((rc
= check_ide_device(i
)))
192 #if defined(CONFIG_CMD_PCMCIA)
193 int pcmcia_off (void)
198 printf ("Disable PCMCIA " PCMCIA_SLOT_MSG
"\n");
200 /* clear interrupt state, and disable interrupts */
201 ((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_pscr
= PCMCIA_MASK(_slot_
);
202 ((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_per
&= ~PCMCIA_MASK(_slot_
);
204 /* turn off interrupt and disable CxOE */
205 PCMCIA_PGCRX(_slot_
) = __MY_PCMCIA_GCRX_CXOE
;
207 /* turn off memory windows */
208 win
= (pcmcia_win_t
*)(&((immap_t
*)CFG_IMMR
)->im_pcmcia
.pcmc_pbr0
);
210 for (i
=0; i
<PCMCIA_MEM_WIN_NO
; ++i
) {
211 /* disable memory window */
216 /* turn off voltage */
217 pcmcia_voltage_set(_slot_
, 0, 0);
219 /* disable external hardware */
220 printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG
"\n");
221 pcmcia_hardware_disable(_slot_
);
227 static u_int
m8xx_get_graycode(u_int size
)
231 for (k
= 0; k
< M8XX_SIZES_NO
; k
++) {
232 if(m8xx_size_to_gray
[k
] == size
)
236 if((k
== M8XX_SIZES_NO
) || (m8xx_size_to_gray
[k
] == -1))
244 #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE)
246 /* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks.
247 * SYPCR is write once only, therefore must the slowest memory be faster
248 * than the bus monitor or we will get a machine check due to the bus timeout.
250 #undef PCMCIA_BMT_LIMIT
251 #define PCMCIA_BMT_LIMIT (6*8)
254 static u_int
m8xx_get_speed(u_int ns
, u_int is_io
)
256 u_int reg
, clocks
, psst
, psl
, psht
;
261 * We get called with IO maps setup to 0ns
262 * if not specified by the user.
263 * They should be 255ns.
269 ns
= 100; /* fast memory if 0 */
273 * In PSST, PSL, PSHT fields we tell the controller
274 * timing parameters in CLKOUT clock cycles.
275 * CLKOUT is the same as GCLK2_50.
278 /* how we want to adjust the timing - in percent */
280 #define ADJ 180 /* 80 % longer accesstime - to be sure */
282 clocks
= ((M8XX_BUSFREQ
/ 1000) * ns
) / 1000;
283 clocks
= (clocks
* ADJ
) / (100*1000);
285 if(clocks
>= PCMCIA_BMT_LIMIT
) {
286 DEBUG(0, "Max access time limit reached\n");
287 clocks
= PCMCIA_BMT_LIMIT
-1;
290 psst
= clocks
/ 7; /* setup time */
291 psht
= clocks
/ 7; /* hold time */
292 psl
= (clocks
* 5) / 7; /* strobe length */
294 psst
+= clocks
- (psst
+ psht
+ psl
);
304 #endif /* CONFIG_8xx && CONFIG_PCMCIA */