Cross Reference: /src/sys/arch/cobalt/stand/boot/wdc.c

Lines Matching defs:chp
46 static int  wdcprobe(struct wdc_channel *chp);
47 static int  wdc_wait_for_ready(struct wdc_channel *chp);
49 static int  __wdcwait_reset(struct wdc_channel *chp, int drv_mask);
55 __wdcwait_reset(struct wdc_channel *chp, int drv_mask)
62 		WDC_WRITE_REG(chp, wd_sdh, WDSD_IBM); /* master */
64 		st0 = WDC_READ_REG(chp, wd_status);
65 		WDC_WRITE_REG(chp, wd_sdh, WDSD_IBM | 0x10); /* slave */
67 		st1 = WDC_READ_REG(chp, wd_status);
113 wdcprobe(struct wdc_channel *chp)
122 	WDC_WRITE_REG(chp, wd_sdh, WDSD_IBM);
124 	st0 = WDC_READ_REG(chp, wd_status);
125 	WDC_WRITE_REG(chp, wd_sdh, WDSD_IBM | 0x10);
127 	st1 = WDC_READ_REG(chp, wd_status);
137 	WDC_WRITE_REG(chp, wd_sdh, WDSD_IBM);
139 	WDC_WRITE_CTLREG(chp, wd_aux_ctlr, WDCTL_RST | WDCTL_IDS);
141 	WDC_WRITE_CTLREG(chp, wd_aux_ctlr, WDCTL_IDS);
143 	(void) WDC_READ_REG(chp, wd_error);
144 	WDC_WRITE_CTLREG(chp, wd_aux_ctlr, WDCTL_4BIT);
147 	ret_value = __wdcwait_reset(chp, ret_value);
185 wdc_wait_for_ready(struct wdc_channel *chp)
190 		if ((WDC_READ_REG(chp, wd_status) & (WDCS_BSY | WDCS_DRDY))
204 	struct wdc_channel *chp = &sc->sc_channel;
211 		*ptr++ = WDC_READ_DATA(chp);
222 	struct wdc_channel *chp = &sc->sc_channel;
231 	WDC_WRITE_REG(chp, wd_features, wd_c->r_features);
232 	WDC_WRITE_REG(chp, wd_seccnt, wd_c->r_count);
233 	WDC_WRITE_REG(chp, wd_sector, wd_c->r_sector);
234 	WDC_WRITE_REG(chp, wd_cyl_lo, wd_c->r_cyl);
235 	WDC_WRITE_REG(chp, wd_cyl_hi, wd_c->r_cyl >> 8);
236 	WDC_WRITE_REG(chp, wd_sdh,
238 	WDC_WRITE_REG(chp, wd_command, wd_c->r_command);
240 	if (wdc_wait_for_ready(chp) != 0)
243 	if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
244 		printf("wd%d: error %x\n", chp->compatchan,
245 		    WDC_READ_REG(chp, wd_error));
258 	struct wdc_channel *chp = &wd->sc_channel;
267 	WDC_WRITE_REG(chp, wd_sdh, (wd_c->drive << 4) | WDSD_LBA);
270 	WDC_WRITE_REG(chp, wd_features, 0);
271 	WDC_WRITE_REG(chp, wd_seccnt, wd_c->r_count >> 8);
272 	WDC_WRITE_REG(chp, wd_lba_hi, wd_c->r_blkno >> 40);
273 	WDC_WRITE_REG(chp, wd_lba_mi, wd_c->r_blkno >> 32);
274 	WDC_WRITE_REG(chp, wd_lba_lo, wd_c->r_blkno >> 24);
277 	WDC_WRITE_REG(chp, wd_features, 0);
278 	WDC_WRITE_REG(chp, wd_seccnt, wd_c->r_count);
279 	WDC_WRITE_REG(chp, wd_lba_hi, wd_c->r_blkno >> 16);
280 	WDC_WRITE_REG(chp, wd_lba_mi, wd_c->r_blkno >> 8);
281 	WDC_WRITE_REG(chp, wd_lba_lo, wd_c->r_blkno);
284 	WDC_WRITE_REG(chp, wd_command, wd_c->r_command);
286 	if (wdc_wait_for_ready(chp) != 0)
289 	if (WDC_READ_REG(chp, wd_status) & WDCS_ERR) {
290 		printf("wd%d: error %x\n", chp->compatchan,
291 		    WDC_READ_REG(chp, wd_error));
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