7 #if defined(CONFIG_CMD_PCMCIA)
11 #if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
17 #define PCMCIA_BOARD_MSG "R360MPI"
19 int pcmcia_hardware_enable(int slot)
21 volatile immap_t *immap;
22 volatile cpm8xx_t *cp;
23 volatile pcmconf8xx_t *pcmp;
24 volatile sysconf8xx_t *sysp;
27 debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
31 immap = (immap_t *)CFG_IMMR;
32 sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf));
33 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
34 cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm));
37 * Configure SIUMCR to enable PCMCIA port B
38 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
40 sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
42 /* clear interrupt state, and disable interrupts */
43 pcmp->pcmc_pscr = PCMCIA_MASK(_slot_);
44 pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_);
47 * Disable interrupts, DMA, and PCMCIA buffers
48 * (isolate the interface) and assert RESET signal
50 debug ("Disable PCMCIA buffers and assert RESET\n");
52 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
53 reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
54 PCMCIA_PGCRX(_slot_) = reg;
58 * Configure Ports A, B & C pins for
59 * 5 Volts Enable and 3 Volts enable
61 immap->im_ioport.iop_pcpar &= ~(0x0400);
62 immap->im_ioport.iop_pcso &= ~(0x0400);/*
63 immap->im_ioport.iop_pcdir |= 0x0400;*/
65 immap->im_ioport.iop_papar &= ~(0x0200);/*
66 immap->im_ioport.iop_padir |= 0x0200;*/
68 immap->im_ioport.iop_pbpar &= ~(0xC000);
69 immap->im_ioport.iop_pbdir &= ~(0xC000);
71 /* remove all power */
73 immap->im_ioport.iop_pcdat |= 0x0400;
74 immap->im_ioport.iop_padat |= 0x0200;
77 * Make sure there is a card in the slot, then configure the interface.
80 debug ("[%d] %s: PIPR(%p)=0x%x\n",
81 __LINE__,__FUNCTION__,
82 &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
83 if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) {
84 printf (" No Card found\n");
91 mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
92 reg = pcmp->pcmc_pipr;
93 debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
95 (reg&PCMCIA_VS1(slot))?"n":"ff",
96 (reg&PCMCIA_VS2(slot))?"n":"ff");
97 if ((reg & mask) == mask) {
98 immap->im_ioport.iop_pcdat &= ~(0x4000);
99 puts (" 5.0V card found: ");
101 immap->im_ioport.iop_padat &= ~(0x0002);
102 puts (" 3.3V card found: ");
104 immap->im_ioport.iop_pcdir |= 0x0400;
105 immap->im_ioport.iop_padir |= 0x0200;
107 /* VCC switch error flag, PCMCIA slot INPACK_ pin */
108 cp->cp_pbdir &= ~(0x0020 | 0x0010);
109 cp->cp_pbpar &= ~(0x0020 | 0x0010);
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 pcmconf8xx_t *pcmp;
133 debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
135 immap = (immap_t *)CFG_IMMR;
136 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
138 /* remove all power */
139 immap->im_ioport.iop_pcdat |= 0x0400;
140 immap->im_ioport.iop_padat |= 0x0200;
142 /* Configure PCMCIA General Control Register */
143 debug ("Disable PCMCIA buffers and assert RESET\n");
145 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
146 reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
147 PCMCIA_PGCRX(_slot_) = reg;
156 int pcmcia_voltage_set(int slot, int vcc, int vpp)
158 volatile immap_t *immap;
159 volatile pcmconf8xx_t *pcmp;
162 debug ("voltage_set: "
164 " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
165 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
167 immap = (immap_t *)CFG_IMMR;
168 pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
170 * Disable PCMCIA buffers (isolate the interface)
171 * and assert RESET signal
173 debug ("Disable PCMCIA buffers and assert RESET\n");
174 reg = PCMCIA_PGCRX(_slot_);
175 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
176 reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
177 PCMCIA_PGCRX(_slot_) = reg;
181 * Configure Ports A & C pins for
182 * 5 Volts Enable and 3 Volts enable,
185 debug ("PCMCIA power OFF\n");
186 immap->im_ioport.iop_pcpar &= ~(0x0400);
187 immap->im_ioport.iop_pcso &= ~(0x0400);/*
188 immap->im_ioport.iop_pcdir |= 0x0400;*/
190 immap->im_ioport.iop_papar &= ~(0x0200);/*
191 immap->im_ioport.iop_padir |= 0x0200;*/
193 immap->im_ioport.iop_pcdat |= 0x0400;
194 immap->im_ioport.iop_padat |= 0x0200;
199 case 33: reg |= 0x0200; break;
200 case 50: reg |= 0x0400; break;
204 /* Checking supported voltages */
206 debug ("PIPR: 0x%x --> %s\n",
208 (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V");
211 immap->im_ioport.iop_pcdat &= !reg;
213 immap->im_ioport.iop_padat &= !reg;
214 immap->im_ioport.iop_pcdir |= 0x0200;
215 immap->im_ioport.iop_padir |= 0x0400;
217 debug ("PCMCIA powered at %sV\n",
218 (reg&0x0400) ? "5.0" : "3.3");
220 debug ("PCMCIA powered down\n");
224 debug ("Enable PCMCIA buffers and stop RESET\n");
225 reg = PCMCIA_PGCRX(_slot_);
226 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
227 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
228 PCMCIA_PGCRX(_slot_) = reg;
231 debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n",
236 #endif /* CCONFIG_PCMCIA */