1 /* -------------------------------------------------------------------- */
2 /* TQM8xxL Boards by TQ Components */
3 /* SC8xx Boards by SinoVee Microsystems */
4 /* -------------------------------------------------------------------- */
11 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
15 #if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
19 #if defined(CONFIG_PCMCIA) \
20 && (defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx))
22 #if defined(CONFIG_VIRTLAB2)
23 #define PCMCIA_BOARD_MSG "Virtlab2"
24 #elif defined(CONFIG_TQM8xxL)
25 #define PCMCIA_BOARD_MSG "TQM8xxL"
26 #elif defined(CONFIG_SVM_SC8xx)
27 #define PCMCIA_BOARD_MSG "SC8xx"
30 #if defined(CONFIG_NSCU)
32 #define power_config(slot) do {} while (0)
33 #define power_off(slot) do {} while (0)
34 #define power_on_5_0(slot) do {} while (0)
35 #define power_on_3_3(slot) do {} while (0)
37 #elif defined(CONFIG_HMI10)
39 static inline void power_config(int slot)
41 volatile immap_t *immap = (immap_t *)CFG_IMMR;
43 * Configure Port B pins for
44 * 5 Volts Enable and 3 Volts enable
46 immap->im_cpm.cp_pbpar &= ~(0x00000300);
49 static inline void power_off(int slot)
51 volatile immap_t *immap = (immap_t *)CFG_IMMR;
52 /* remove all power */
53 immap->im_cpm.cp_pbdat |= 0x00000300;
56 static inline void power_on_5_0(int slot)
58 volatile immap_t *immap = (immap_t *)CFG_IMMR;
59 immap->im_cpm.cp_pbdat &= ~(0x0000100);
60 immap->im_cpm.cp_pbdir |= 0x00000300;
63 static inline void power_on_3_3(int slot)
65 volatile immap_t *immap = (immap_t *)CFG_IMMR;
66 immap->im_cpm.cp_pbdat &= ~(0x0000200);
67 immap->im_cpm.cp_pbdir |= 0x00000300;
70 #elif defined(CONFIG_VIRTLAB2)
72 #define power_config(slot) do {} while (0)
73 static inline void power_off(int slot)
75 volatile unsigned char *powerctl =
76 (volatile unsigned char *)PCMCIA_CTRL;
80 static inline void power_on_5_0(int slot)
82 volatile unsigned char *powerctl =
83 (volatile unsigned char *)PCMCIA_CTRL;
84 *powerctl = 2; /* Enable 5V Vccout */
87 static inline void power_on_3_3(int slot)
89 volatile unsigned char *powerctl =
90 (volatile unsigned char *)PCMCIA_CTRL;
91 *powerctl = 1; /* Enable 3.3V Vccout */
96 static inline void power_config(int slot)
98 volatile immap_t *immap = (immap_t *)CFG_IMMR;
100 * Configure Port C pins for
101 * 5 Volts Enable and 3 Volts enable
103 immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004);
104 immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004);
107 static inline void power_off(int slot)
109 volatile immap_t *immap = (immap_t *)CFG_IMMR;
110 immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004);
113 static inline void power_on_5_0(int slot)
115 volatile immap_t *immap = (immap_t *)CFG_IMMR;
116 immap->im_ioport.iop_pcdat |= 0x0004;
117 immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004);
120 static inline void power_on_3_3(int slot)
122 volatile immap_t *immap = (immap_t *)CFG_IMMR;
123 immap->im_ioport.iop_pcdat |= 0x0002;
124 immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004);
130 static inline int check_card_is_absent(int slot)
132 volatile pcmconf8xx_t *pcmp =
133 (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
134 return pcmp->pcmc_pipr & (0x10000000 >> (slot << 4));
137 static inline int check_card_is_absent(int slot)
139 volatile pcmconf8xx_t *pcmp =
140 (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
141 return pcmp->pcmc_pipr & (0x18000000 >> (slot << 4));
146 #define NSCU_GCRX_CXOE 0
148 #define NSCU_GCRX_CXOE __MY_PCMCIA_GCRX_CXOE
151 int pcmcia_hardware_enable(int slot)
153 volatile pcmconf8xx_t *pcmp =
154 (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
155 volatile sysconf8xx_t *sysp =
156 (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf));
159 debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
164 * Configure SIUMCR to enable PCMCIA port B
165 * (VFLS[0:1] are not used for debugging, we connect FRZ# instead)
167 sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */
169 /* clear interrupt state, and disable interrupts */
170 pcmp->pcmc_pscr = PCMCIA_MASK(slot);
171 pcmp->pcmc_per &= ~PCMCIA_MASK(slot);
174 * Disable interrupts, DMA, and PCMCIA buffers
175 * (isolate the interface) and assert RESET signal
177 debug ("Disable PCMCIA buffers and assert RESET\n");
179 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
180 reg |= NSCU_GCRX_CXOE;
182 PCMCIA_PGCRX(slot) = reg;
189 * Make sure there is a card in the slot, then configure the interface.
192 debug ("[%d] %s: PIPR(%p)=0x%x\n", __LINE__,__FUNCTION__,
193 &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
195 if (check_card_is_absent(slot)) {
196 printf (" No Card found\n");
203 mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot);
204 reg = pcmp->pcmc_pipr;
205 debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n",
207 (reg&PCMCIA_VS1(slot))?"n":"ff",
208 (reg&PCMCIA_VS2(slot))?"n":"ff");
210 if ((reg & mask) == mask) {
212 puts (" 5.0V card found: ");
215 puts (" 3.3V card found: ");
219 /* VCC switch error flag, PCMCIA slot INPACK_ pin */
220 cp->cp_pbdir &= ~(0x0020 | 0x0010);
221 cp->cp_pbpar &= ~(0x0020 | 0x0010);
226 debug ("Enable PCMCIA buffers and stop RESET\n");
227 reg = PCMCIA_PGCRX(slot);
228 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
229 reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
230 reg &= ~NSCU_GCRX_CXOE;
232 PCMCIA_PGCRX(slot) = reg;
234 udelay(250000); /* some cards need >150 ms to come up :-( */
236 debug ("# hardware_enable done\n");
242 #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
243 int pcmcia_hardware_disable(int slot)
245 volatile pcmconf8xx_t *pcmp =
246 (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
249 debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
252 /* remove all power */
255 debug ("Disable PCMCIA buffers and assert RESET\n");
257 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
258 reg |= NSCU_GCRX_CXOE; /* active low */
260 PCMCIA_PGCRX(slot) = reg;
266 #endif /* CFG_CMD_PCMCIA */
268 int pcmcia_voltage_set(int slot, int vcc, int vpp)
271 volatile pcmconf8xx_t *pcmp =
272 (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
275 debug ("voltage_set: " PCMCIA_BOARD_MSG
276 " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n",
277 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10);
280 * Disable PCMCIA buffers (isolate the interface)
281 * and assert RESET signal
283 debug ("Disable PCMCIA buffers and assert RESET\n");
284 reg = PCMCIA_PGCRX(slot);
285 reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
286 reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */
287 reg |= NSCU_GCRX_CXOE; /* active low */
289 PCMCIA_PGCRX(slot) = reg;
292 debug ("PCMCIA power OFF\n");
298 case 33: power_on_3_3(slot); break;
299 case 50: power_on_5_0(slot); break;
303 /* Checking supported voltages */
305 debug("PIPR: 0x%x --> %s\n", pcmp->pcmc_pipr,
306 (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V");
309 debug("PCMCIA powered at %sV\n", (vcc == 50) ? "5.0" : "3.3");
311 debug("PCMCIA powered down\n");
314 debug("Enable PCMCIA buffers and stop RESET\n");
315 reg = PCMCIA_PGCRX(slot);
316 reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */
317 reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */
318 reg &= ~NSCU_GCRX_CXOE; /* active low */
320 PCMCIA_PGCRX(slot) = reg;
323 debug("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", slot+'A');
324 #endif /* CONFIG_NSCU */
328 #endif /* CONFIG_PCMCIA && (CONFIG_TQM8xxL || CONFIG_SVM_SC8xx) */