armv7/omap/prcm.c

220 	u_int32_t oreg, reg, mask;
224 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm,
227 		reg = oreg & ~mask;
232 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm,
235 		reg = oreg & ~mask;
240 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE);
241 		oreg &= ~0x7;
242 		oreg |= 0x4;
243 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE, oreg);
247 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKSEL);
248 		oreg &= 0xFFF800FF;
249 		oreg |= (speed & 0x7FF) << 8;
250 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKSEL, oreg);
252 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE);
253 		oreg |= 0x7;
254 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE, oreg);
258 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE);
259 		oreg &= ~0x7;
260 		oreg |= 0x4;
261 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE, oreg);
265 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKSEL);
266 		oreg &= 0xFFFFFF80;
267 		oreg |= speed & 0x7F;
268 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKSEL, oreg);
270 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE);
271 		oreg |= 0x7;
272 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_CLKMODE, oreg);
276 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_M2);
277 		oreg &= ~(0x1F);
278 		oreg |= speed & 0x1F;
279 		bus_space_write_4(sc->sc_iot, sc->sc_prcm, PRCM_AM335X_DISP_M2, oreg);
286 	u_int32_t oreg, reg, mask;
289 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, CM_CLKSEL_WKUP);
291 		reg = (oreg &~mask) | (speed & mask);
295 		oreg = bus_space_read_4(sc->sc_iot, sc->sc_prcm, CM_CLKSEL_PER);
297 		reg =  (oreg & ~mask) | ( (speed << shift) & mask);