| at91_pmc.c (239188) | at91_pmc.c (239190) |
|---|---|
| 1/*- 2 * Copyright (c) 2006 M. Warner Losh. All rights reserved. 3 * Copyright (c) 2010 Greg Ansley. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2006 M. Warner Losh. All rights reserved. 3 * Copyright (c) 2010 Greg Ansley. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/arm/at91/at91_pmc.c 239188 2012-08-11 05:03:30Z imp $"); | 28__FBSDID("$FreeBSD: head/sys/arm/at91/at91_pmc.c 239190 2012-08-11 05:45:19Z imp $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/kernel.h> 33#include <sys/malloc.h> 34#include <sys/module.h> 35#include <sys/time.h> 36#include <sys/bus.h> --- 145 unchanged lines hidden (view full) --- 182 if (sc == NULL) { 183 uint32_t *p = (uint32_t *)(AT91_BASE + AT91_PMC_BASE + off); 184 185 *p = val; 186 } else 187 bus_write_4(sc->mem_res, off, val); 188} 189 | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/kernel.h> 33#include <sys/malloc.h> 34#include <sys/module.h> 35#include <sys/time.h> 36#include <sys/bus.h> --- 145 unchanged lines hidden (view full) --- 182 if (sc == NULL) { 183 uint32_t *p = (uint32_t *)(AT91_BASE + AT91_PMC_BASE + off); 184 185 *p = val; 186 } else 187 bus_write_4(sc->mem_res, off, val); 188} 189 |
| 190/* 191 * The following is unused currently since we don't ever set the PLLA 192 * frequency of the device. If we did, we'd have to also pay attention 193 * to the ICPLLA bit in the PMC_PLLICPR register for frequencies lower 194 * than ~600MHz, which the PMC code doesn't do right now. 195 */ 196uint32_t 197at91_pmc_800mhz_plla_outb(int freq) 198{ 199 uint32_t outa; 200 201 /* 202 * Set OUTA, per the data sheet. See Table 46-16 titled 203 * PLLA Frequency Regarding ICPLLA and OUTA in the SAM9X25 doc, 204 * Table 46-17 in the SAM9G20 doc, or Table 46-16 in the SAM9G45 doc. 205 * Note: the frequencies overlap by 5MHz, so we add 3 here to 206 * center shoot the transition. 207 */ 208 209 freq /= 1000000; /* MHz */ 210 if (freq >= 800) 211 freq = 800; 212 freq += 3; /* Allow for overlap. */ 213 outa = 3 - ((freq / 50) & 3); /* 750 / 50 = 7, see table */ 214 return (1 << 29)| (outa << 14); 215} 216 217uint32_t 218at91_pmc_800mhz_pllb_outb(int freq) 219{ 220 221 return (0); 222} 223 |
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| 190void 191at91_pmc_set_pllb_mode(struct at91_pmc_clock *clk, int on) 192{ 193 struct at91_pmc_softc *sc = pmc_softc; 194 uint32_t value; 195 196 if (on) { 197 on = PMC_IER_LOCKB; --- 470 unchanged lines hidden --- | 224void 225at91_pmc_set_pllb_mode(struct at91_pmc_clock *clk, int on) 226{ 227 struct at91_pmc_softc *sc = pmc_softc; 228 uint32_t value; 229 230 if (on) { 231 on = PMC_IER_LOCKB; --- 470 unchanged lines hidden --- |