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 *)CFG_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 cpm8xx_t *cp;
44 volatile pcmconf8xx_t *pcmp;
45 volatile sysconf8xx_t *sysp;
48 debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
52 immap = (immap_t *)CFG_IMMR;
53 sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf));
54 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
55 cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm));
57 /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */
61 * Configure SIUMCR to enable PCMCIA port B
62 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
64 sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
66 /* clear interrupt state, and disable interrupts */
67 pcmp->pcmc_pscr = PCMCIA_MASK(_slot_);
68 pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_);
71 * Disable interrupts, DMA, and PCMCIA buffers
72 * (isolate the interface) and assert RESET signal
74 debug ("Disable PCMCIA buffers and assert RESET\n");
76 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
77 PCMCIA_PGCRX(_slot_) = reg;
81 * Make sure there is a card in the slot, then configure the interface.
84 debug ("[%d] %s: PIPR(%p)=0x%x\n",
85 __LINE__,__FUNCTION__,
86 &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
87 if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
88 printf (" No Card found\n");
95 mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
96 reg = pcmp->pcmc_pipr;
97 debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
99 (reg&PCMCIA_VS1(slot))?"n":"ff",
100 (reg&PCMCIA_VS2(slot))?"n":"ff");
101 if ((reg & mask) == mask) {
102 puts (" 5.0V card found: ");
104 puts (" 3.3V card found: ");
108 immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */
112 debug ("Enable PCMCIA buffers and stop RESET\n");
113 reg = PCMCIA_PGCRX(_slot_);
114 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
115 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
116 PCMCIA_PGCRX(_slot_) = reg;
118 udelay(250000); /* some cards need >150 ms to come up :-( */
120 debug ("# hardware_enable done\n");
126 #if defined(CONFIG_CMD_PCMCIA)
127 int pcmcia_hardware_disable(int slot)
129 volatile immap_t *immap;
130 volatile cpm8xx_t *cp;
131 volatile pcmconf8xx_t *pcmp;
134 debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
136 immap = (immap_t *)CFG_IMMR;
137 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
140 immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */
142 /* Configure PCMCIA General Control Register */
143 debug ("Disable PCMCIA buffers and assert RESET\n");
145 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
146 PCMCIA_PGCRX(_slot_) = reg;
155 int pcmcia_voltage_set(int slot, int vcc, int vpp)
157 volatile immap_t *immap;
158 volatile pcmconf8xx_t *pcmp;
161 debug ("voltage_set: "
163 " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
164 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
166 immap = (immap_t *)CFG_IMMR;
167 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
169 * Disable PCMCIA buffers (isolate the interface)
170 * and assert RESET signal
172 debug ("Disable PCMCIA buffers and assert RESET\n");
173 reg = PCMCIA_PGCRX(_slot_);
174 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
175 PCMCIA_PGCRX(_slot_) = reg;
179 * Configure Port C pins for
180 * 5 Volts Enable and 3 Volts enable,
181 * Turn all power pins to Hi-Z
183 debug ("PCMCIA power OFF\n");
184 cfg_ports (); /* Enables switch, but all in Hi-Z */
186 debug ("Enable PCMCIA buffers and stop RESET\n");
187 reg = PCMCIA_PGCRX(_slot_);
188 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
189 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
190 PCMCIA_PGCRX(_slot_) = reg;
193 debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
198 #endif /* CONFIG_PCMCIA */