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9d407995 WD |
1 | #include <common.h> |
2 | #include <config.h> | |
3 | ||
4 | #ifdef CONFIG_PXA_PCMCIA | |
5 | ||
6 | #include <pcmcia.h> | |
7 | #include <asm/arch/pxa-regs.h> | |
8 | #include <asm/io.h> | |
9 | ||
10 | static inline void msWait(unsigned msVal) | |
11 | { | |
12 | udelay(msVal*1000); | |
13 | } | |
14 | ||
15 | int pcmcia_on (void) | |
16 | { | |
17 | unsigned int reg_arr[] = { | |
18 | 0x48000028, CFG_MCMEM0_VAL, | |
19 | 0x4800002c, CFG_MCMEM1_VAL, | |
20 | 0x48000030, CFG_MCATT0_VAL, | |
21 | 0x48000034, CFG_MCATT1_VAL, | |
22 | 0x48000038, CFG_MCIO0_VAL, | |
23 | 0x4800003c, CFG_MCIO1_VAL, | |
24 | ||
25 | 0, 0 | |
26 | }; | |
27 | int i, rc; | |
28 | ||
29 | #ifdef CONFIG_EXADRON1 | |
30 | int cardDetect; | |
31 | volatile unsigned int *v_pBCRReg = | |
32 | (volatile unsigned int *) 0x08000000; | |
33 | #endif | |
34 | ||
35 | debug ("%s\n", __FUNCTION__); | |
36 | ||
37 | i = 0; | |
38 | while (reg_arr[i]) | |
39 | *((volatile unsigned int *) reg_arr[i++]) |= reg_arr[i++]; | |
40 | udelay (1000); | |
41 | ||
42 | debug ("%s: programmed mem controller \n", __FUNCTION__); | |
43 | ||
44 | #ifdef CONFIG_EXADRON1 | |
45 | ||
46 | /*define useful BCR masks */ | |
47 | #define BCR_CF_INIT_VAL 0x00007230 | |
48 | #define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL 0x00007231 | |
49 | #define BCR_CF_PWRON_BUSOFF_RESETON_VAL 0x00007233 | |
50 | #define BCR_CF_PWRON_BUSON_RESETON_VAL 0x00007213 | |
51 | #define BCR_CF_PWRON_BUSON_RESETOFF_VAL 0x00007211 | |
52 | ||
53 | /* we see from the GPIO bit if the card is present */ | |
54 | cardDetect = !(GPLR0 & GPIO_bit (14)); | |
55 | ||
56 | if (cardDetect) { | |
57 | printf ("No PCMCIA card found!\n"); | |
58 | } | |
59 | ||
60 | /* reset the card via the BCR line */ | |
61 | *v_pBCRReg = (unsigned) BCR_CF_INIT_VAL; | |
62 | msWait (500); | |
63 | ||
64 | *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL; | |
65 | msWait (500); | |
66 | ||
67 | *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL; | |
68 | msWait (500); | |
69 | ||
70 | *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL; | |
71 | msWait (500); | |
72 | ||
73 | *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL; | |
74 | msWait (1500); | |
75 | ||
76 | /* enable address bus */ | |
77 | GPCR1 = 0x01; | |
78 | /* and the first CF slot */ | |
79 | MECR = 0x00000002; | |
80 | ||
81 | #endif /* EXADRON 1 */ | |
82 | ||
83 | rc = check_ide_device (0); /* use just slot 0 */ | |
84 | ||
85 | return rc; | |
86 | } | |
87 | ||
cb51c0bf | 88 | #if defined(CONFIG_CMD_PCMCIA) |
9d407995 WD |
89 | int pcmcia_off (void) |
90 | { | |
91 | return 0; | |
92 | } | |
93 | #endif | |
94 | ||
95 | #endif /* CONFIG_PXA_PCMCIA */ |