7 #if defined(CONFIG_CMD_PCMCIA)
11 #if (defined(CONFIG_CMD_IDE)) && defined(CONFIG_IDE_8xx_PCCARD)
17 #define PCMCIA_BOARD_MSG "UC100"
20 * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board.
21 * This leads to board-hangup! (sr, 8 Dez. 2004)
23 static void cfg_ports (void)
25 volatile immap_t *immap;
27 immap = (immap_t *)CONFIG_SYS_IMMR;
30 * Configure Port A for MAX1602 PC-Card Power-Interface Switch
32 immap->im_ioport.iop_padat &= ~0x8000; /* set port x output to low */
33 immap->im_ioport.iop_padir |= 0x8000; /* enable port x as output */
35 debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n",
36 immap->im_ioport.iop_papar, immap->im_ioport.iop_padir,
37 immap->im_ioport.iop_padat);
40 int pcmcia_hardware_enable(int slot)
42 volatile immap_t *immap;
43 volatile pcmconf8xx_t *pcmp;
44 volatile sysconf8xx_t *sysp;
47 debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
51 immap = (immap_t *)CONFIG_SYS_IMMR;
52 sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf));
53 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
55 /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */
59 * Configure SIUMCR to enable PCMCIA port B
60 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
62 sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
64 /* clear interrupt state, and disable interrupts */
65 pcmp->pcmc_pscr = PCMCIA_MASK(_slot_);
66 pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_);
69 * Disable interrupts, DMA, and PCMCIA buffers
70 * (isolate the interface) and assert RESET signal
72 debug ("Disable PCMCIA buffers and assert RESET\n");
74 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
75 PCMCIA_PGCRX(_slot_) = reg;
79 * Make sure there is a card in the slot, then configure the interface.
82 debug ("[%d] %s: PIPR(%p)=0x%x\n",
83 __LINE__,__FUNCTION__,
84 &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
85 if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
86 printf (" No Card found\n");
93 mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
94 reg = pcmp->pcmc_pipr;
95 debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
97 (reg&PCMCIA_VS1(slot))?"n":"ff",
98 (reg&PCMCIA_VS2(slot))?"n":"ff");
100 if ((reg & mask) == mask)
101 puts (" 5.0V card found: ");
103 puts (" 3.3V card found: ");
106 immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */
110 debug ("Enable PCMCIA buffers and stop RESET\n");
111 reg = PCMCIA_PGCRX(_slot_);
112 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
113 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
114 PCMCIA_PGCRX(_slot_) = reg;
116 udelay(250000); /* some cards need >150 ms to come up :-( */
118 debug ("# hardware_enable done\n");
124 #if defined(CONFIG_CMD_PCMCIA)
125 int pcmcia_hardware_disable(int slot)
127 volatile immap_t *immap;
128 volatile cpm8xx_t *cp;
129 volatile pcmconf8xx_t *pcmp;
132 debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
134 immap = (immap_t *)CONFIG_SYS_IMMR;
135 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
138 immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */
140 /* Configure PCMCIA General Control Register */
141 debug ("Disable PCMCIA buffers and assert RESET\n");
143 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
144 PCMCIA_PGCRX(_slot_) = reg;
153 int pcmcia_voltage_set(int slot, int vcc, int vpp)
157 debug ("voltage_set: "
159 " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
160 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
163 * Disable PCMCIA buffers (isolate the interface)
164 * and assert RESET signal
166 debug ("Disable PCMCIA buffers and assert RESET\n");
167 reg = PCMCIA_PGCRX(_slot_);
168 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
169 PCMCIA_PGCRX(_slot_) = reg;
173 * Configure Port C pins for
174 * 5 Volts Enable and 3 Volts enable,
175 * Turn all power pins to Hi-Z
177 debug ("PCMCIA power OFF\n");
178 cfg_ports (); /* Enables switch, but all in Hi-Z */
180 debug ("Enable PCMCIA buffers and stop RESET\n");
181 reg = PCMCIA_PGCRX(_slot_);
182 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
183 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
184 PCMCIA_PGCRX(_slot_) = reg;
187 debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
192 #endif /* CONFIG_PCMCIA */