scoop_pcic.c revision 1.2.2.2
1 1.2.2.2 yamt /* $NetBSD: scoop_pcic.c,v 1.2.2.2 2006/12/18 11:42:09 yamt Exp $ */ 2 1.2.2.2 yamt /* $OpenBSD: scoop_pcic.c,v 1.1 2005/07/01 23:51:55 uwe Exp $ */ 3 1.2.2.2 yamt 4 1.2.2.2 yamt /* 5 1.2.2.2 yamt * Copyright (c) 2005 Uwe Stuehler <uwe (at) bsdx.de> 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * Permission to use, copy, modify, and distribute this software for any 8 1.2.2.2 yamt * purpose with or without fee is hereby granted, provided that the above 9 1.2.2.2 yamt * copyright notice and this permission notice appear in all copies. 10 1.2.2.2 yamt * 11 1.2.2.2 yamt * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 1.2.2.2 yamt * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 1.2.2.2 yamt * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 1.2.2.2 yamt * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 1.2.2.2 yamt * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 1.2.2.2 yamt * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 1.2.2.2 yamt * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 1.2.2.2 yamt */ 19 1.2.2.2 yamt 20 1.2.2.2 yamt #include <sys/cdefs.h> 21 1.2.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: scoop_pcic.c,v 1.2.2.2 2006/12/18 11:42:09 yamt Exp $"); 22 1.2.2.2 yamt 23 1.2.2.2 yamt #include <sys/param.h> 24 1.2.2.2 yamt #include <sys/systm.h> 25 1.2.2.2 yamt #include <sys/device.h> 26 1.2.2.2 yamt 27 1.2.2.2 yamt #include <uvm/uvm.h> 28 1.2.2.2 yamt 29 1.2.2.2 yamt #include <arch/arm/xscale/pxa2x0var.h> 30 1.2.2.2 yamt #include <arch/arm/xscale/pxa2x0_gpio.h> 31 1.2.2.2 yamt #include <arch/arm/xscale/pxa2x0_pcic.h> 32 1.2.2.2 yamt 33 1.2.2.2 yamt #include <zaurus/zaurus/zaurus_reg.h> 34 1.2.2.2 yamt #include <zaurus/zaurus/zaurus_var.h> 35 1.2.2.2 yamt 36 1.2.2.2 yamt #include <zaurus/dev/scoopreg.h> 37 1.2.2.2 yamt 38 1.2.2.2 yamt static int scoop_pcic_match(struct device *, struct cfdata *, void *); 39 1.2.2.2 yamt static void scoop_pcic_attach(struct device *, struct device *, void *); 40 1.2.2.2 yamt 41 1.2.2.2 yamt CFATTACH_DECL(pxapcic_scoop, sizeof(struct pxapcic_softc), 42 1.2.2.2 yamt scoop_pcic_match, scoop_pcic_attach, NULL, NULL); 43 1.2.2.2 yamt 44 1.2.2.2 yamt static void scoop_pcic_socket_setup(struct pxapcic_socket *); 45 1.2.2.2 yamt static u_int scoop_pcic_read(struct pxapcic_socket *, int); 46 1.2.2.2 yamt static void scoop_pcic_write(struct pxapcic_socket *, int, u_int); 47 1.2.2.2 yamt static void scoop_pcic_set_power(struct pxapcic_socket *, int); 48 1.2.2.2 yamt static void scoop_pcic_clear_intr(struct pxapcic_socket *); 49 1.2.2.2 yamt static void *scoop_pcic_intr_establish(struct pxapcic_socket *, int, 50 1.2.2.2 yamt int (*)(void *), void *); 51 1.2.2.2 yamt static void scoop_pcic_intr_disestablish(struct pxapcic_socket *, void *); 52 1.2.2.2 yamt 53 1.2.2.2 yamt struct pxapcic_tag scoop_pcic_functions = { 54 1.2.2.2 yamt scoop_pcic_read, 55 1.2.2.2 yamt scoop_pcic_write, 56 1.2.2.2 yamt scoop_pcic_set_power, 57 1.2.2.2 yamt scoop_pcic_clear_intr, 58 1.2.2.2 yamt scoop_pcic_intr_establish, 59 1.2.2.2 yamt scoop_pcic_intr_disestablish 60 1.2.2.2 yamt }; 61 1.2.2.2 yamt 62 1.2.2.2 yamt static int 63 1.2.2.2 yamt scoop_pcic_match(struct device *parent, struct cfdata *cf, void *aux) 64 1.2.2.2 yamt { 65 1.2.2.2 yamt 66 1.2.2.2 yamt return (ZAURUS_ISC860 || ZAURUS_ISC3000); 67 1.2.2.2 yamt } 68 1.2.2.2 yamt 69 1.2.2.2 yamt static void 70 1.2.2.2 yamt scoop_pcic_attach(struct device *parent, struct device *self, void *aux) 71 1.2.2.2 yamt { 72 1.2.2.2 yamt struct pxapcic_softc *sc = (struct pxapcic_softc *)self; 73 1.2.2.2 yamt struct pxaip_attach_args *pxa = (struct pxaip_attach_args *)aux; 74 1.2.2.2 yamt 75 1.2.2.2 yamt sc->sc_iot = pxa->pxa_iot; 76 1.2.2.2 yamt 77 1.2.2.2 yamt if (ZAURUS_ISC860) { 78 1.2.2.2 yamt sc->sc_nslots = 1; 79 1.2.2.2 yamt sc->sc_irqpin[0] = C860_CF0_IRQ; 80 1.2.2.2 yamt sc->sc_irqcfpin[0] = C860_CF0_IRQ_PIN; 81 1.2.2.2 yamt } else if (ZAURUS_ISC3000) { 82 1.2.2.2 yamt sc->sc_nslots = 2; 83 1.2.2.2 yamt sc->sc_irqpin[0] = C3000_CF0_IRQ; 84 1.2.2.2 yamt sc->sc_irqcfpin[0] = C3000_CF0_IRQ_PIN; 85 1.2.2.2 yamt sc->sc_irqpin[1] = C3000_CF1_IRQ; 86 1.2.2.2 yamt sc->sc_irqcfpin[1] = C3000_CF1_IRQ_PIN; 87 1.2.2.2 yamt } 88 1.2.2.2 yamt sc->sc_flags |= PPF_REVERSE_ORDER; 89 1.2.2.2 yamt 90 1.2.2.2 yamt pxapcic_attach_common(sc, &scoop_pcic_socket_setup); 91 1.2.2.2 yamt } 92 1.2.2.2 yamt 93 1.2.2.2 yamt static void 94 1.2.2.2 yamt scoop_pcic_socket_setup(struct pxapcic_socket *so) 95 1.2.2.2 yamt { 96 1.2.2.2 yamt struct pxapcic_softc *sc; 97 1.2.2.2 yamt bus_addr_t pa; 98 1.2.2.2 yamt bus_size_t size = SCOOP_SIZE; 99 1.2.2.2 yamt bus_space_tag_t iot; 100 1.2.2.2 yamt bus_space_handle_t scooph; 101 1.2.2.2 yamt int error; 102 1.2.2.2 yamt 103 1.2.2.2 yamt sc = so->sc; 104 1.2.2.2 yamt iot = sc->sc_iot; 105 1.2.2.2 yamt 106 1.2.2.2 yamt if (so->socket == 0) { 107 1.2.2.2 yamt pa = C3000_SCOOP0_BASE; 108 1.2.2.2 yamt } else if (so->socket == 1) { 109 1.2.2.2 yamt pa = C3000_SCOOP1_BASE; 110 1.2.2.2 yamt } else { 111 1.2.2.2 yamt panic("%s: invalid CF slot %d", sc->sc_dev.dv_xname, 112 1.2.2.2 yamt so->socket); 113 1.2.2.2 yamt } 114 1.2.2.2 yamt 115 1.2.2.2 yamt error = bus_space_map(iot, trunc_page(pa), round_page(size), 116 1.2.2.2 yamt 0, &scooph); 117 1.2.2.2 yamt if (error) { 118 1.2.2.2 yamt panic("%s: failed to map memory %x for scoop", 119 1.2.2.2 yamt sc->sc_dev.dv_xname, (uint32_t)pa); 120 1.2.2.2 yamt } 121 1.2.2.2 yamt scooph += pa - trunc_page(pa); 122 1.2.2.2 yamt 123 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IMR, 124 1.2.2.2 yamt SCP_IMR_UNKN0 | SCP_IMR_UNKN1); 125 1.2.2.2 yamt 126 1.2.2.2 yamt /* setup */ 127 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_MCR, 0x0100); 128 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_CDR, 0x0000); 129 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_CPR, 0x0000); 130 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IMR, 0x0000); 131 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IRM, 0x00ff); 132 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_ISR, 0x0000); 133 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IRM, 0x0000); 134 1.2.2.2 yamt 135 1.2.2.2 yamt /* C3000 */ 136 1.2.2.2 yamt if (so->socket == 1) { 137 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_CPR, 0x80c1); 138 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IMR, 0x00c4); 139 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_MCR, 0x0111); 140 1.2.2.2 yamt } else { 141 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_CPR, 142 1.2.2.2 yamt SCP_CPR_PWR|SCP_CPR_5V); 143 1.2.2.2 yamt } 144 1.2.2.2 yamt 145 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_IMR, 0x00ce); 146 1.2.2.2 yamt bus_space_write_2(iot, scooph, SCOOP_MCR, 0x0111); 147 1.2.2.2 yamt 148 1.2.2.2 yamt /* C3000 */ 149 1.2.2.2 yamt so->power_capability = PXAPCIC_POWER_3V; 150 1.2.2.2 yamt if (so->socket == 0) 151 1.2.2.2 yamt so->power_capability |= PXAPCIC_POWER_5V; 152 1.2.2.2 yamt 153 1.2.2.2 yamt so->pcictag_cookie = (void *)scooph; 154 1.2.2.2 yamt so->pcictag = &scoop_pcic_functions; 155 1.2.2.2 yamt } 156 1.2.2.2 yamt 157 1.2.2.2 yamt static u_int 158 1.2.2.2 yamt scoop_pcic_read(struct pxapcic_socket *so, int reg) 159 1.2.2.2 yamt { 160 1.2.2.2 yamt bus_space_tag_t iot = so->sc->sc_iot; 161 1.2.2.2 yamt bus_space_handle_t ioh = (bus_space_handle_t)so->pcictag_cookie; 162 1.2.2.2 yamt uint16_t csr; 163 1.2.2.2 yamt 164 1.2.2.2 yamt csr = bus_space_read_2(iot, ioh, SCOOP_CSR); 165 1.2.2.2 yamt 166 1.2.2.2 yamt switch (reg) { 167 1.2.2.2 yamt case PXAPCIC_CARD_STATUS: 168 1.2.2.2 yamt if (csr & SCP_CSR_MISSING) 169 1.2.2.2 yamt return (PXAPCIC_CARD_INVALID); 170 1.2.2.2 yamt else 171 1.2.2.2 yamt return (PXAPCIC_CARD_VALID); 172 1.2.2.2 yamt 173 1.2.2.2 yamt case PXAPCIC_CARD_READY: 174 1.2.2.2 yamt return ((bus_space_read_2(iot, ioh, SCOOP_CSR) & 175 1.2.2.2 yamt SCP_CSR_READY) != 0); 176 1.2.2.2 yamt 177 1.2.2.2 yamt default: 178 1.2.2.2 yamt panic("scoop_pcic_read: bogus register"); 179 1.2.2.2 yamt } 180 1.2.2.2 yamt /*NOTREACHED*/ 181 1.2.2.2 yamt } 182 1.2.2.2 yamt 183 1.2.2.2 yamt static void 184 1.2.2.2 yamt scoop_pcic_write(struct pxapcic_socket *so, int reg, u_int val) 185 1.2.2.2 yamt { 186 1.2.2.2 yamt bus_space_tag_t iot = so->sc->sc_iot; 187 1.2.2.2 yamt bus_space_handle_t ioh = (bus_space_handle_t)so->pcictag_cookie; 188 1.2.2.2 yamt uint16_t newval; 189 1.2.2.2 yamt int s; 190 1.2.2.2 yamt 191 1.2.2.2 yamt s = splhigh(); 192 1.2.2.2 yamt 193 1.2.2.2 yamt switch (reg) { 194 1.2.2.2 yamt case PXAPCIC_CARD_POWER: 195 1.2.2.2 yamt newval = bus_space_read_2(iot, ioh, SCOOP_CPR); 196 1.2.2.2 yamt newval &= ~(SCP_CPR_PWR | SCP_CPR_3V | SCP_CPR_5V); 197 1.2.2.2 yamt 198 1.2.2.2 yamt if (val == PXAPCIC_POWER_3V) 199 1.2.2.2 yamt newval |= (SCP_CPR_PWR | SCP_CPR_3V); 200 1.2.2.2 yamt else if (val == PXAPCIC_POWER_5V) 201 1.2.2.2 yamt newval |= (SCP_CPR_PWR | SCP_CPR_5V); 202 1.2.2.2 yamt 203 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_CPR, newval); 204 1.2.2.2 yamt break; 205 1.2.2.2 yamt 206 1.2.2.2 yamt case PXAPCIC_CARD_RESET: 207 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_CCR, 208 1.2.2.2 yamt val ? SCP_CCR_RESET : 0); 209 1.2.2.2 yamt break; 210 1.2.2.2 yamt 211 1.2.2.2 yamt default: 212 1.2.2.2 yamt panic("scoop_pcic_write: bogus register"); 213 1.2.2.2 yamt } 214 1.2.2.2 yamt 215 1.2.2.2 yamt splx(s); 216 1.2.2.2 yamt } 217 1.2.2.2 yamt 218 1.2.2.2 yamt static void 219 1.2.2.2 yamt scoop_pcic_set_power(struct pxapcic_socket *so, int pwr) 220 1.2.2.2 yamt { 221 1.2.2.2 yamt bus_space_tag_t iot = so->sc->sc_iot; 222 1.2.2.2 yamt bus_space_handle_t ioh = (bus_space_handle_t)so->pcictag_cookie; 223 1.2.2.2 yamt u_int16_t reg; 224 1.2.2.2 yamt int s; 225 1.2.2.2 yamt 226 1.2.2.2 yamt s = splhigh(); 227 1.2.2.2 yamt 228 1.2.2.2 yamt switch (pwr) { 229 1.2.2.2 yamt case PXAPCIC_POWER_OFF: 230 1.2.2.2 yamt #if 0 231 1.2.2.2 yamt /* XXX does this disable power to both sockets? */ 232 1.2.2.2 yamt reg = bus_space_read_2(iot, ioh, SCOOP_GPWR); 233 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_GPWR, 234 1.2.2.2 yamt reg & ~(1 << SCOOP0_CF_POWER_C3000)); 235 1.2.2.2 yamt #endif 236 1.2.2.2 yamt break; 237 1.2.2.2 yamt 238 1.2.2.2 yamt case PXAPCIC_POWER_3V: 239 1.2.2.2 yamt case PXAPCIC_POWER_5V: 240 1.2.2.2 yamt /* XXX */ 241 1.2.2.2 yamt if (so->socket == 0) { 242 1.2.2.2 yamt reg = bus_space_read_2(iot, ioh, SCOOP_GPWR); 243 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_GPWR, 244 1.2.2.2 yamt reg | (1 << SCOOP0_CF_POWER_C3000)); 245 1.2.2.2 yamt } 246 1.2.2.2 yamt break; 247 1.2.2.2 yamt 248 1.2.2.2 yamt default: 249 1.2.2.2 yamt splx(s); 250 1.2.2.2 yamt panic("scoop_pcic_set_power: bogus power state"); 251 1.2.2.2 yamt } 252 1.2.2.2 yamt 253 1.2.2.2 yamt splx(s); 254 1.2.2.2 yamt } 255 1.2.2.2 yamt 256 1.2.2.2 yamt static void 257 1.2.2.2 yamt scoop_pcic_clear_intr(struct pxapcic_socket *so) 258 1.2.2.2 yamt { 259 1.2.2.2 yamt bus_space_tag_t iot = so->sc->sc_iot; 260 1.2.2.2 yamt bus_space_handle_t ioh = (bus_space_handle_t)so->pcictag_cookie; 261 1.2.2.2 yamt 262 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_IRM, 0x00ff); 263 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_ISR, 0x0000); 264 1.2.2.2 yamt bus_space_write_2(iot, ioh, SCOOP_IRM, 0x0000); 265 1.2.2.2 yamt } 266 1.2.2.2 yamt 267 1.2.2.2 yamt static void * 268 1.2.2.2 yamt scoop_pcic_intr_establish(struct pxapcic_socket *so, int ipl, 269 1.2.2.2 yamt int (*func)(void *), void *arg) 270 1.2.2.2 yamt { 271 1.2.2.2 yamt 272 1.2.2.2 yamt return (pxa2x0_gpio_intr_establish(so->irqpin, IST_EDGE_FALLING, 273 1.2.2.2 yamt ipl, func, arg)); 274 1.2.2.2 yamt } 275 1.2.2.2 yamt 276 1.2.2.2 yamt static void 277 1.2.2.2 yamt scoop_pcic_intr_disestablish(struct pxapcic_socket *so, void *ih) 278 1.2.2.2 yamt { 279 1.2.2.2 yamt 280 1.2.2.2 yamt pxa2x0_gpio_intr_disestablish(ih); 281 1.2.2.2 yamt } 282
Indexes created Mon Oct 20 01:09:56 GMT 2025