Module Name: src Committed By: bsh Date: Tue Apr 17 09:33:31 UTC 2012
Modified Files: src/sys/arch/arm/imx: imx51_axi.c imx51_clock.c imxclock.c imxclockvar.h src/sys/arch/evbarm/conf: NETWALKER Added Files: src/sys/arch/arm/imx: imx51_ccm.c imx51_ccmreg.h imx51_ccmvar.h imx51_dpllreg.h Log Message: driver for i.MX51 Clock Controller Module. from Kenichi Hashimoto. Currently used only to get peripheral clock frequencies. To generate a diff of this commit: cvs rdiff -u -r1.2 -r1.3 src/sys/arch/arm/imx/imx51_axi.c \ src/sys/arch/arm/imx/imx51_clock.c cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/imx/imx51_ccm.c \ src/sys/arch/arm/imx/imx51_ccmreg.h src/sys/arch/arm/imx/imx51_ccmvar.h \ src/sys/arch/arm/imx/imx51_dpllreg.h cvs rdiff -u -r1.4 -r1.5 src/sys/arch/arm/imx/imxclock.c cvs rdiff -u -r1.1 -r1.2 src/sys/arch/arm/imx/imxclockvar.h cvs rdiff -u -r1.9 -r1.10 src/sys/arch/evbarm/conf/NETWALKER Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/arm/imx/imx51_axi.c diff -u src/sys/arch/arm/imx/imx51_axi.c:1.2 src/sys/arch/arm/imx/imx51_axi.c:1.3 --- src/sys/arch/arm/imx/imx51_axi.c:1.2 Tue Nov 30 13:05:27 2010 +++ src/sys/arch/arm/imx/imx51_axi.c Tue Apr 17 09:33:31 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: imx51_axi.c,v 1.2 2010/11/30 13:05:27 bsh Exp $ */ +/* $NetBSD: imx51_axi.c,v 1.3 2012/04/17 09:33:31 bsh Exp $ */ /*- * Copyright (c) 2010 SHIMIZU Ryo <r...@nerv.org> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: imx51_axi.c,v 1.2 2010/11/30 13:05:27 bsh Exp $"); +__KERNEL_RCSID(0, "$NetBSD: imx51_axi.c,v 1.3 2012/04/17 09:33:31 bsh Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -38,6 +38,7 @@ __KERNEL_RCSID(0, "$NetBSD: imx51_axi.c, #include <arm/imx/imx51reg.h> #include <arm/imx/imx51var.h> +#include "bus_dma_generic.h" #include "locators.h" struct axi_softc { @@ -102,6 +103,7 @@ axi_critical_search(device_t parent, str if ((strcmp(cf->cf_name, "tzic") != 0) && (strcmp(cf->cf_name, "imxuart") != 0) && + (strcmp(cf->cf_name, "imxccm") != 0) && (strcmp(cf->cf_name, "imxgpio") != 0)) return 0; Index: src/sys/arch/arm/imx/imx51_clock.c diff -u src/sys/arch/arm/imx/imx51_clock.c:1.2 src/sys/arch/arm/imx/imx51_clock.c:1.3 --- src/sys/arch/arm/imx/imx51_clock.c:1.2 Fri Jul 1 20:27:50 2011 +++ src/sys/arch/arm/imx/imx51_clock.c Tue Apr 17 09:33:31 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: imx51_clock.c,v 1.2 2011/07/01 20:27:50 dyoung Exp $ */ +/* $NetBSD: imx51_clock.c,v 1.3 2012/04/17 09:33:31 bsh Exp $ */ /* * Copyright (c) 2009 Genetec corp. All rights reserved. * Written by Hashimoto Kenichi for Genetec corp. @@ -25,7 +25,7 @@ * POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: imx51_clock.c,v 1.2 2011/07/01 20:27:50 dyoung Exp $"); +__KERNEL_RCSID(0, "$NetBSD: imx51_clock.c,v 1.3 2012/04/17 09:33:31 bsh Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -48,7 +48,7 @@ __KERNEL_RCSID(0, "$NetBSD: imx51_clock. #include <arm/imx/imx51reg.h> #include <arm/imx/imx51var.h> #include <arm/imx/imxepitreg.h> -//#include <arm/imx/imx51_ccmvar.h> notyet +#include <arm/imx/imx51_ccmvar.h> #include <arm/imx/imxclockvar.h> #include "imxccm.h" /* if CCM driver is configured into the kernel */ @@ -90,8 +90,6 @@ imxclock_attach(device_t parent, device_ sc->sc_iot = aa->aa_iot; sc->sc_intr = aa->aa_irq; - KASSERT((sc->sc_intr == IRQ_EPIT1) || (sc->sc_intr == IRQ_EPIT2)); - switch ( aa->aa_addr ) { case EPIT1_BASE: epit1_sc = sc; @@ -106,6 +104,8 @@ imxclock_attach(device_t parent, device_ if (bus_space_map(aa->aa_iot, aa->aa_addr, aa->aa_size, 0, &sc->sc_ioh)) panic("%s: Cannot map registers", device_xname(self)); + + sc->sc_clksrc = EPITCR_CLKSRC_IPG; } int @@ -113,11 +113,7 @@ imxclock_get_timerfreq(struct imxclock_s { unsigned int ipg_freq; #if NIMXCCM > 0 - struct imx51_clocks clk; - - imx51_get_clocks(&clk); - - ipg_freq = clk.ipg_clk; + ipg_freq = imx51_get_clock(IMX51CLK_IPG_CLK_ROOT); #else #ifndef IMX51_IPGCLK_FREQ #error IMX51_IPGCLK_FREQ need to be defined. Index: src/sys/arch/arm/imx/imxclock.c diff -u src/sys/arch/arm/imx/imxclock.c:1.4 src/sys/arch/arm/imx/imxclock.c:1.5 --- src/sys/arch/arm/imx/imxclock.c:1.4 Fri Jul 1 20:27:50 2011 +++ src/sys/arch/arm/imx/imxclock.c Tue Apr 17 09:33:31 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: imxclock.c,v 1.4 2011/07/01 20:27:50 dyoung Exp $ */ +/* $NetBSD: imxclock.c,v 1.5 2012/04/17 09:33:31 bsh Exp $ */ /* * Copyright (c) 2009, 2010 Genetec corp. All rights reserved. * Written by Hashimoto Kenichi for Genetec corp. @@ -70,7 +70,7 @@ void cpu_initclocks(void) { uint32_t reg; - int freq; + u_int freq; if (!epit1_sc) { panic("%s: driver has not been initialized!", __FUNCTION__); @@ -80,6 +80,9 @@ cpu_initclocks(void) imx_epit_timecounter.tc_frequency = freq; tc_init(&imx_epit_timecounter); + aprint_verbose_dev(epit1_sc->sc_dev, + "timer clock frequency %d\n", freq); + epit1_sc->sc_reload_value = freq / hz - 1; /* stop all timers */ @@ -92,11 +95,13 @@ cpu_initclocks(void) epit1_sc->sc_reload_value); bus_space_write_4(epit1_sc->sc_iot, epit1_sc->sc_ioh, EPIT_EPITCMPR, 0); - reg = EPITCR_ENMOD | EPITCR_IOVW | EPITCR_RLD; - bus_space_write_4(epit1_sc->sc_iot, epit1_sc->sc_ioh, EPIT_EPITCR, reg); - reg |= EPITCR_EN | EPITCR_OCIEN | EPITCR_CLKSRC_HIGH | - EPITCR_WAITEN | EPITCR_DOZEN | EPITCR_STOPEN; - bus_space_write_4(epit1_sc->sc_iot, epit1_sc->sc_ioh, EPIT_EPITCR, reg); + reg = EPITCR_ENMOD | EPITCR_IOVW | EPITCR_RLD | epit1_sc->sc_clksrc; + bus_space_write_4(epit1_sc->sc_iot, epit1_sc->sc_ioh, + EPIT_EPITCR, reg); + reg |= EPITCR_EN | EPITCR_OCIEN | EPITCR_WAITEN | EPITCR_DOZEN | + EPITCR_STOPEN; + bus_space_write_4(epit1_sc->sc_iot, epit1_sc->sc_ioh, + EPIT_EPITCR, reg); epit1_sc->sc_ih = intr_establish(epit1_sc->sc_intr, IPL_CLOCK, IST_LEVEL, imxclock_intr, epit1_sc); Index: src/sys/arch/arm/imx/imxclockvar.h diff -u src/sys/arch/arm/imx/imxclockvar.h:1.1 src/sys/arch/arm/imx/imxclockvar.h:1.2 --- src/sys/arch/arm/imx/imxclockvar.h:1.1 Sat Nov 13 06:51:37 2010 +++ src/sys/arch/arm/imx/imxclockvar.h Tue Apr 17 09:33:31 2012 @@ -9,6 +9,8 @@ struct imxclock_softc { int sc_reload_value; + uint32_t sc_clksrc; + void *sc_ih; /* interrupt handler */ }; Index: src/sys/arch/evbarm/conf/NETWALKER diff -u src/sys/arch/evbarm/conf/NETWALKER:1.9 src/sys/arch/evbarm/conf/NETWALKER:1.10 --- src/sys/arch/evbarm/conf/NETWALKER:1.9 Tue Apr 17 07:43:21 2012 +++ src/sys/arch/evbarm/conf/NETWALKER Tue Apr 17 09:33:31 2012 @@ -1,4 +1,4 @@ -# $NetBSD: NETWALKER,v 1.9 2012/04/17 07:43:21 bsh Exp $ +# $NetBSD: NETWALKER,v 1.10 2012/04/17 09:33:31 bsh Exp $ # # NETWALKER -- http://www.sharp.co.jp/netwalker/ # @@ -177,6 +177,10 @@ imxuart0 at axi? addr 0x73fbc000 irq 31 #imxuart2 at axi? addr 0x7000c000 irq 33 options IMXUARTCONSOLE +# Clock Control +imxccm0 at axi? addr 0x73fd4000 +options IMX51_CKIL_FREQ=32768 + # Enhanced Periodic Interrupt Timer imxclock0 at axi? addr 0x73fac000 size 0x4000 irq 40 imxclock1 at axi? addr 0x73fb0000 size 0x4000 irq 41 Added files: Index: src/sys/arch/arm/imx/imx51_ccm.c diff -u /dev/null src/sys/arch/arm/imx/imx51_ccm.c:1.1 --- /dev/null Tue Apr 17 09:33:31 2012 +++ src/sys/arch/arm/imx/imx51_ccm.c Tue Apr 17 09:33:31 2012 @@ -0,0 +1,425 @@ +/* $NetBSD: imx51_ccm.c,v 1.1 2012/04/17 09:33:31 bsh Exp $ */ +/* + * Copyright (c) 2010, 2011, 2012 Genetec Corporation. All rights reserved. + * Written by Hashimoto Kenichi for Genetec Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * Clock Controller Module (CCM) + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: imx51_ccm.c,v 1.1 2012/04/17 09:33:31 bsh Exp $"); + +#include <sys/types.h> +#include <sys/time.h> +#include <sys/bus.h> +#include <sys/device.h> +#include <sys/param.h> + +#include <machine/cpu.h> + +#include <arm/imx/imx51_ccmvar.h> +#include <arm/imx/imx51_ccmreg.h> +#include <arm/imx/imx51_dpllreg.h> + +#include <arm/imx/imx51var.h> +#include <arm/imx/imx51reg.h> + +#include "opt_imx51clk.h" +#include "locators.h" + +//#define IMXCCMDEBUG + +#ifndef IMX51_OSC_FREQ +#define IMX51_OSC_FREQ (24 * 1000 * 1000) /* 24MHz */ +#endif + +struct imxccm_softc { + device_t sc_dev; + bus_space_tag_t sc_iot; + bus_space_handle_t sc_ioh; + + struct { + bus_space_handle_t pll_ioh; + u_int pll_freq; + } sc_pll[IMX51_N_DPLLS]; +}; + +struct imxccm_softc *ccm_softc; + +static uint64_t imx51_get_pll_freq(u_int); + +static int imxccm_match(device_t, cfdata_t, void *); +static void imxccm_attach(device_t, device_t, void *); + +CFATTACH_DECL_NEW(imxccm, sizeof(struct imxccm_softc), + imxccm_match, imxccm_attach, NULL, NULL); + +static int +imxccm_match(device_t parent, cfdata_t cfdata, void *aux) +{ + struct axi_attach_args *aa = aux; + + if (aa->aa_addr == CCMC_BASE) + return 1; + + return 0; +} + +static void +imxccm_attach(device_t parent, device_t self, void *aux) +{ + struct axi_attach_args *aa = aux; + bus_space_tag_t iot = aa->aa_iot; + int i; + + ccm_softc = device_private(self); + ccm_softc->sc_dev = self; + ccm_softc->sc_iot = iot; + + if (bus_space_map(iot, aa->aa_addr, CCMC_SIZE, 0, + &ccm_softc->sc_ioh)) { + aprint_error(": can't map\n"); + return; + } + + for (i=1; i <= IMX51_N_DPLLS; ++i) { + if (bus_space_map(iot, DPLL_BASE(i), DPLL_SIZE, 0, + &ccm_softc->sc_pll[i-1].pll_ioh)) { + aprint_error(": can't map\n"); + return; + } + } + + aprint_normal(": Clock control module\n"); + aprint_naive("\n"); + + imx51_get_pll_freq(1); + imx51_get_pll_freq(2); + imx51_get_pll_freq(3); + + + aprint_verbose_dev(self, "CPU clock=%d, UART clock=%d\n", + imx51_get_clock(IMX51CLK_ARM_ROOT), + imx51_get_clock(IMX51CLK_UART_CLK_ROOT)); + aprint_verbose_dev(self, + "mainbus clock=%d, ahb clock=%d ipg clock=%d perclk=%d\n", + imx51_get_clock(IMX51CLK_MAIN_BUS_CLK), + imx51_get_clock(IMX51CLK_AHB_CLK_ROOT), + imx51_get_clock(IMX51CLK_IPG_CLK_ROOT), + imx51_get_clock(IMX51CLK_PERCLK_ROOT)); +} + + +u_int +imx51_get_clock(enum imx51_clock clk) +{ + bus_space_tag_t iot = ccm_softc->sc_iot; + bus_space_handle_t ioh = ccm_softc->sc_ioh; + + u_int freq; + u_int sel; + uint32_t cacrr; /* ARM clock root register */ + uint32_t ccsr; + uint32_t cscdr1; + uint32_t cscmr1; + uint32_t cbcdr; + uint32_t cbcmr; + uint32_t cdcr; + + switch (clk) { + case IMX51CLK_PLL1: + case IMX51CLK_PLL2: + case IMX51CLK_PLL3: + return ccm_softc->sc_pll[clk-IMX51CLK_PLL1].pll_freq; + case IMX51CLK_PLL1SW: + ccsr = bus_space_read_4(iot, ioh, CCMC_CCSR); + if ((ccsr & CCSR_PLL1_SW_CLK_SEL) == 0) + return ccm_softc->sc_pll[1-1].pll_freq; + /* step clock */ + /* FALLTHROUGH */ + case IMX51CLK_PLL1STEP: + ccsr = bus_space_read_4(iot, ioh, CCMC_CCSR); + switch ((ccsr & CCSR_STEP_SEL_MASK) >> CCSR_STEP_SEL_SHIFT) { + case 0: + return imx51_get_clock(IMX51CLK_LP_APM); + case 1: + return 0; /* XXX PLL bypass clock */ + case 2: + return ccm_softc->sc_pll[2-1].pll_freq / + (1 + ((ccsr & CCSR_PLL2_DIV_PODF_MASK) >> + CCSR_PLL2_DIV_PODF_SHIFT)); + case 3: + return ccm_softc->sc_pll[3-1].pll_freq / + (1 + ((ccsr & CCSR_PLL3_DIV_PODF_MASK) >> + CCSR_PLL3_DIV_PODF_SHIFT)); + } + /*NOTREACHED*/ + case IMX51CLK_PLL2SW: + ccsr = bus_space_read_4(iot, ioh, CCMC_CCSR); + if ((ccsr & CCSR_PLL2_SW_CLK_SEL) == 0) + return imx51_get_clock(IMX51CLK_PLL2); + return 0; /* XXX PLL2 bypass clk */ + case IMX51CLK_PLL3SW: + ccsr = bus_space_read_4(iot, ioh, CCMC_CCSR); + if ((ccsr & CCSR_PLL3_SW_CLK_SEL) == 0) + return imx51_get_clock(IMX51CLK_PLL3); + return 0; /* XXX PLL3 bypass clk */ + + case IMX51CLK_LP_APM: + ccsr = bus_space_read_4(iot, ioh, CCMC_CCSR); + return (ccsr & CCSR_LP_APM) ? + imx51_get_clock(IMX51CLK_FPM) : IMX51_OSC_FREQ; + + case IMX51CLK_ARM_ROOT: + freq = imx51_get_clock(IMX51CLK_PLL1SW); + cacrr = bus_space_read_4(iot, ioh, CCMC_CACRR); + return freq / (cacrr + 1); + + /* ... */ + case IMX51CLK_MAIN_BUS_CLK_SRC: + cbcdr = bus_space_read_4(iot, ioh, CCMC_CBCDR); + if ((cbcdr & CBCDR_PERIPH_CLK_SEL) == 0) + freq = imx51_get_clock(IMX51CLK_PLL2SW); + else { + freq = 0; + cbcmr = bus_space_read_4(iot, ioh, CCMC_CBCMR); + switch ((cbcmr & CBCMR_PERIPH_APM_SEL_MASK) >> + CBCMR_PERIPH_APM_SEL_SHIFT) { + case 0: + freq = imx51_get_clock(IMX51CLK_PLL1SW); + break; + case 1: + freq = imx51_get_clock(IMX51CLK_PLL3SW); + break; + case 2: + freq = imx51_get_clock(IMX51CLK_LP_APM); + break; + case 3: + /* XXX: error */ + break; + } + } + return freq; + case IMX51CLK_MAIN_BUS_CLK: + freq = imx51_get_clock(IMX51CLK_MAIN_BUS_CLK_SRC); + cdcr = bus_space_read_4(iot, ioh, CCMC_CDCR); + return freq / (cdcr & CDCR_PERIPH_CLK_DVFS_PODF_MASK) >> + CDCR_PERIPH_CLK_DVFS_PODF_SHIFT; + case IMX51CLK_AHB_CLK_ROOT: + freq = imx51_get_clock(IMX51CLK_MAIN_BUS_CLK); + cbcdr = bus_space_read_4(iot, ioh, CCMC_CBCDR); + return freq / (1 + ((cbcdr & CBCDR_AHB_PODF_MASK) >> + CBCDR_AHB_PODF_SHIFT)); + case IMX51CLK_IPG_CLK_ROOT: + freq = imx51_get_clock(IMX51CLK_AHB_CLK_ROOT); + cbcdr = bus_space_read_4(iot, ioh, CCMC_CBCDR); + return freq / (1 + ((cbcdr & CBCDR_IPG_PODF_MASK) >> + CBCDR_IPG_PODF_SHIFT)); + + case IMX51CLK_PERCLK_ROOT: + cbcmr = bus_space_read_4(iot, ioh, CCMC_CBCMR); + if (cbcmr & CBCMR_PERCLK_IPG_SEL) + return imx51_get_clock(IMX51CLK_IPG_CLK_ROOT); + if (cbcmr & CBCMR_PERCLK_LP_APM_SEL) + freq = imx51_get_clock(IMX51CLK_LP_APM); + else + freq = imx51_get_clock(IMX51CLK_MAIN_BUS_CLK_SRC); + cbcdr = bus_space_read_4(iot, ioh, CCMC_CBCDR); + +#ifdef IMXCCMDEBUG + printf("cbcmr=%x cbcdr=%x\n", cbcmr, cbcdr); +#endif + + freq /= 1 + ((cbcdr & CBCDR_PERCLK_PRED1_MASK) >> + CBCDR_PERCLK_PRED1_SHIFT); + freq /= 1 + ((cbcdr & CBCDR_PERCLK_PRED2_MASK) >> + CBCDR_PERCLK_PRED2_SHIFT); + freq /= 1 + ((cbcdr & CBCDR_PERCLK_PODF_MASK) >> + CBCDR_PERCLK_PODF_SHIFT); + return freq; + case IMX51CLK_UART_CLK_ROOT: + cscdr1 = bus_space_read_4(iot, ioh, CCMC_CSCDR1); + cscmr1 = bus_space_read_4(iot, ioh, CCMC_CSCMR1); + +#ifdef IMXCCMDEBUG + printf("cscdr1=%x cscmr1=%x\n", cscdr1, cscmr1); +#endif + + sel = (cscmr1 & CSCMR1_UART_CLK_SEL_MASK) >> + CSCMR1_UART_CLK_SEL_SHIFT; + + freq = 0; /* shut up GCC */ + switch (sel) { + case 0: + case 1: + case 2: + freq = imx51_get_clock(IMX51CLK_PLL1SW + sel); + break; + case 3: + freq = imx51_get_clock(IMX51CLK_LP_APM); + break; + } + + return freq / (1 + ((cscdr1 & CSCDR1_UART_CLK_PRED_MASK) >> + CSCDR1_UART_CLK_PRED_SHIFT)) / + (1 + ((cscdr1 & CSCDR1_UART_CLK_PODF_MASK) >> + CSCDR1_UART_CLK_PODF_SHIFT)); + case IMX51CLK_IPU_HSP_CLK_ROOT: + freq = 0; + cbcmr = bus_space_read_4(iot, ioh, CCMC_CBCMR); + switch ((cbcmr & CBCMR_IPU_HSP_CLK_SEL_MASK) >> + CBCMR_IPU_HSP_CLK_SEL_SHIFT) { + case 0: + freq = imx51_get_clock(IMX51CLK_ARM_AXI_A_CLK); + break; + case 1: + freq = imx51_get_clock(IMX51CLK_ARM_AXI_B_CLK); + break; + case 2: + freq = imx51_get_clock( + IMX51CLK_EMI_SLOW_CLK_ROOT); + break; + case 3: + freq = imx51_get_clock(IMX51CLK_AHB_CLK_ROOT); + break; + } + return freq; + default: + aprint_error_dev(ccm_softc->sc_dev, + "clock %d: not supported yet\n", clk); + return 0; + } +} + + +static uint64_t +imx51_get_pll_freq(u_int pll_no) +{ + uint32_t dp_ctrl; + uint32_t dp_op; + uint32_t dp_mfd; + uint32_t dp_mfn; + uint32_t mfi; + int32_t mfn; + uint32_t mfd; + uint32_t pdf; + uint32_t ccr; + uint64_t freq = 0; + u_int ref = 0; + bus_space_tag_t iot = ccm_softc->sc_iot; + bus_space_handle_t ioh = ccm_softc->sc_pll[pll_no-1].pll_ioh; + + KASSERT(1 <= pll_no && pll_no <= IMX51_N_DPLLS); + + dp_ctrl = bus_space_read_4(iot, ioh, DPLL_DP_CTL); + + if (dp_ctrl & DP_CTL_HFSM) { + dp_op = bus_space_read_4(iot, ioh, DPLL_DP_HFS_OP); + dp_mfd = bus_space_read_4(iot, ioh, DPLL_DP_HFS_MFD); + dp_mfn = bus_space_read_4(iot, ioh, DPLL_DP_HFS_MFN); + } else { + dp_op = bus_space_read_4(iot, ioh, DPLL_DP_OP); + dp_mfd = bus_space_read_4(iot, ioh, DPLL_DP_MFD); + dp_mfn = bus_space_read_4(iot, ioh, DPLL_DP_MFN); + } + + pdf = dp_op & DP_OP_PDF_MASK; + mfi = max(5, (dp_op & DP_OP_MFI_MASK) >> DP_OP_MFI_SHIFT); + mfd = dp_mfd; + if (dp_mfn & __BIT(26)) + /* 27bit signed value */ + mfn = (int32_t)(__BITS(31,27) | dp_mfn); + else + mfn = dp_mfn; + + switch (dp_ctrl & DP_CTL_REF_CLK_SEL_MASK) { + case DP_CTL_REF_CLK_SEL_COSC: + /* Internal Oscillator */ + ref = IMX51_OSC_FREQ; + break; + case DP_CTL_REF_CLK_SEL_FPM: + ccr = bus_space_read_4(iot, ccm_softc->sc_ioh, CCMC_CCR); + if (ccr & CCR_FPM_MULT) + ref = IMX51_CKIL_FREQ * 1024; + else + ref = IMX51_CKIL_FREQ * 512; + break; + default: + ref = 0; + } + + + if (dp_ctrl & DP_CTL_REF_CLK_DIV) + ref /= 2; + +#if 0 + if (dp_ctrl & DP_CTL_DPDCK0_2_EN) + ref *= 2; + + ref /= (pdf + 1); + freq = ref * mfn; + freq /= (mfd + 1); + freq = (ref * mfi) + freq; +#endif + + ref *= 4; + freq = (int64_t)ref * mfi + (int64_t)ref * mfn / (mfd + 1); + freq /= pdf + 1; + + if (!(dp_ctrl & DP_CTL_DPDCK0_2_EN)) + freq /= 2; + + +#ifdef IMXCCMDEBUG + printf("dp_ctl: %08x ", dp_ctrl); + printf("pdf: %3d ", pdf); + printf("mfi: %3d ", mfi); + printf("mfd: %3d ", mfd); + printf("mfn: %3d ", mfn); + printf("pll: %lld\n", freq); +#endif + + ccm_softc->sc_pll[pll_no-1].pll_freq = freq; + + return freq; +} + +void +imx51_clk_gating(int clk_src, int mode) +{ + bus_space_tag_t iot = ccm_softc->sc_iot; + bus_space_handle_t ioh = ccm_softc->sc_ioh; + uint32_t group = CCMR_CCGR_MODULE(clk_src); + uint32_t field = clk_src % CCMR_CCGR_NSOURCE; + uint32_t reg; + uint32_t bit; + + bit = (mode << field * 2); + reg = bus_space_read_4(iot, ioh, CCMC_CCGR(group)); + reg &= ~(0x03 << field * 2); + reg |= bit; + bus_space_write_4(iot, ioh, CCMC_CCGR(group), reg); +} Index: src/sys/arch/arm/imx/imx51_ccmreg.h diff -u /dev/null src/sys/arch/arm/imx/imx51_ccmreg.h:1.1 --- /dev/null Tue Apr 17 09:33:31 2012 +++ src/sys/arch/arm/imx/imx51_ccmreg.h Tue Apr 17 09:33:31 2012 @@ -0,0 +1,199 @@ +/* $NetBSD: imx51_ccmreg.h,v 1.1 2012/04/17 09:33:31 bsh Exp $ */ +/* + * Copyright (c) 2011, 2012 Genetec Corporation. All rights reserved. + * Written by Hashimoto Kenichi for Genetec Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _IMX51_CCMREG_H +#define _IMX51_CCMREG_H + +#include <sys/cdefs.h> + +/* register offset address */ + +#define CCMC_BASE 0x73fd4000 +#define CCMC_CCR 0x0000 +#define CCR_FPM_MULT __BIT(12) +#define CCMC_CCDR 0x0004 +#define CCMC_CSR 0x0008 +#define CCMC_CCSR 0x000c +#define CCSR_LP_APM __BIT(9) +#define CCSR_STEP_SEL_SHIFT 7 +#define CCSR_STEP_SEL_MASK __BITS(8,CCSR_STEP_SEL_SHIFT) +#define CCSR_PLL2_DIV_PODF_SHIFT 5 +#define CCSR_PLL2_DIV_PODF_MASK __BITS(6, CCSR_PLL2_DIV_PODF_SHIFT) +#define CCSR_PLL3_DIV_PODF_SHIFT 3 +#define CCSR_PLL3_DIV_PODF_MASK __BITS(4, CCSR_PLL2_DIV_PODF_SHIFT) +#define CCSR_PLL1_SW_CLK_SEL __BIT(2) +#define CCSR_PLL2_SW_CLK_SEL __BIT(1) +#define CCSR_PLL3_SW_CLK_SEL __BIT(0) +#define CCMC_CACRR 0x0010 +#define CCMC_CBCDR 0x0014 +#define CBCDR_DDR_HIGH_FREQ_CLK_SEL __BIT(30) +#define CBCDR_DDR_CLK_PODF_SHIFT 27 +#define CBCDR_DDR_CLK_PODF_MASK __BITS(29, CBCDR_DDR_CLK_PODF_SHIFT) +#define CBCDR_EMI_CLK_SEL __BIT(26) +#define CBCDR_PERIPH_CLK_SEL __BIT(25) +#define CBCDR_EMI_SLOW_PODF_SHIFT 22 +#define CBCDR_EMI_SLOW_PODF_MASK __BITS(24, CBCDR_EMI_SLOW_PODF_SHIFT) +#define CBCDR_AXI_B_PODF_SHIFT 19 +#define CBCDR_AXI_B_PODF_MASK __BITS(21, CBCDR_AXI_B_PODF_SHIFT) +#define CBCDR_AXI_A_PODF_SHIFT 16 +#define CBCDR_AXI_A_PODF_MASK __BITS(28, CBCDR_AXI_A_PODF_SHIFT) +#define CBCDR_NFC_PODF_SHIFT 13 +#define CBCDR_NFC_PODF_MASK __BITS(15, CBCDR_AXI_A_PODF_SHIFT) +#define CBCDR_AHB_PODF_SHIFT 10 +#define CBCDR_AHB_PODF_MASK __BITS(12, CBCDR_AHB_PODF_SHIFT) +#define CBCDR_IPG_PODF_SHIFT 8 +#define CBCDR_IPG_PODF_MASK __BITS(9, CBCDR_IPG_PODF_SHIFT) +#define CBCDR_PERCLK_PRED1_SHIFT 6 +#define CBCDR_PERCLK_PRED1_MASK __BITS(7, CBCDR_PERCLK_PRED1_SHIFT) +#define CBCDR_PERCLK_PRED2_SHIFT 3 +#define CBCDR_PERCLK_PRED2_MASK __BITS(5, CBCDR_PERCLK_PRED2_SHIFT) +#define CBCDR_PERCLK_PODF_SHIFT 0 +#define CBCDR_PERCLK_PODF_MASK __BITS(2, CBCDR_PERCLK_PODF_SHIFT) +#define CCMC_CBCMR 0x0018 +#define CBCMR_PERIPH_APM_SEL_SHIFT 12 +#define CBCMR_PERIPH_APM_SEL_MASK __BITS(13, CBCMR_PERIPH_APM_SEL_SHIFT) +#define CBCMR_IPU_HSP_CLK_SEL_SHIFT 6 +#define CBCMR_IPU_HSP_CLK_SEL_MASK __BITS(7, CBCMR_IPU_HSP_CLK_SEL_SHIFT) +#define CBCMR_PERCLK_LP_APM_SEL __BIT(1) +#define CBCMR_PERCLK_IPG_SEL __BIT(0) +#define CCMC_CSCMR1 0x001c +#define CSCMR1_UART_CLK_SEL_SHIFT 24 +#define CSCMR1_UART_CLK_SEL_MASK __BITS(25, CSCMR1_UART_CLK_SEL_SHIFT) +#define CCMC_CSCMR2 0x0020 +#define CCMC_CSCDR1 0x0024 +#define CSCDR1_UART_CLK_PRED_SHIFT 3 +#define CSCDR1_UART_CLK_PRED_MASK __BITS(5, CSCDR1_UART_CLK_PRED_SHIFT) +#define CSCDR1_UART_CLK_PODF_SHIFT 0 +#define CSCDR1_UART_CLK_PODF_MASK __BITS(2, CSCDR1_UART_CLK_PODF_SHIFT) +#define CCMC_CS1CDR 0x0028 +#define CCMC_CS2CDR 0x002c +#define CCMC_CDCDR 0x0030 +#define CCMC_CSCDR2 0x0038 +#define CCMC_CSCDR3 0x003c +#define CCMC_CSCDR4 0x0040 +#define CCMC_CWDR 0x0044 +#define CCMC_CDHIPR 0x0048 +#define CCMC_CDCR 0x004c +#define CDCR_PERIPH_CLK_DVFS_PODF_SHIFT 0 +#define CDCR_PERIPH_CLK_DVFS_PODF_MASK \ + __BITS(1,CDCR_PERIPH_CLK_DVFS_PODF_SHIFT) +#define CCMC_CTOR 0x0050 +#define CCMC_CLPCR 0x0054 +#define CCMC_CISR 0x0058 +#define CCMC_CIMR 0x005c +#define CCMC_CCOSR 0x0060 +#define CCMC_CGPR 0x0064 +#define CCMC_CCGR(n) (0x0068 + (n) * 4) +#define CCMC_CMEOR 0x0084 + +#define CCMC_SIZE 0x88 + +/* CCGR Clock Gate Register */ + +#define CCMR_CCGR_NSOURCE 16 +#define CCMR_CCGR_NGROUPS 7 +#define CCMR_CCGR_MODULE(clk) ((clk) / CCMR_CCGR_NSOURCE) +#define __CCGR_NUM(a, b) ((a) * 16 + (b)) + +#define CCGR_ARM_BUS_CLK __CCGR_NUM(0, 0) +#define CCGR_ARM_AXI_CLK __CCGR_NUM(0, 1) +#define CCGR_ARM_DEBUG_CLK __CCGR_NUM(0, 2) +#define CCGR_TZIC_CLK __CCGR_NUM(0, 3) +#define CCGR_DAP_CLK __CCGR_NUM(0, 4) +#define CCGR_TPIU_CLK __CCGR_NUM(0, 5) +#define CCGR_CTI2_CLK __CCGR_NUM(0, 6) +#define CCGR_CTI3_CLK __CCGR_NUM(0, 7) +#define CCGR_AHBMUX1_CLK __CCGR_NUM(0, 8) +#define CCGR_AHBMUX2_CLK __CCGR_NUM(0, 9) +#define CCGR_ROMCP_CLK __CCGR_NUM(0, 10) +#define CCGR_ROM_CLK __CCGR_NUM(0, 11) +#define CCGR_AIPS_TZ1_CLK __CCGR_NUM(0, 12) +#define CCGR_AIPS_TZ2_CLK __CCGR_NUM(0, 13) +#define CCGR_AHB_MAX_CLK __CCGR_NUM(0, 14) +#define CCGR_IIM_CLK __CCGR_NUM(0, 15) +#define CCGR_TMAX1_CLK __CCGR_NUM(1, 0) +#define CCGR_TMAX2_CLK __CCGR_NUM(1, 1) +#define CCGR_TMAX3_CLK __CCGR_NUM(1, 2) +#define CCGR_UART1_CLK __CCGR_NUM(1, 3) +#define CCGR_UART1_SERIAL_CLK __CCGR_NUM(1, 4) +#define CCGR_UART2_CLK __CCGR_NUM(1, 5) +#define CCGR_UART2_SERIAL_CLK __CCGR_NUM(1, 6) +#define CCGR_UART3_CLK __CCGR_NUM(1, 7) +#define CCGR_UART3_SERIAL_CLK __CCGR_NUM(1, 8) +#define CCGR_I2C1_SERIAL_CLK __CCGR_NUM(1, 9) +#define CCGR_I2C2_SERIAL_CLK __CCGR_NUM(1, 10) +#define CCGR_HSI2C_CLK __CCGR_NUM(1, 11) +#define CCGR_HSI2C_SERIAL_CLK __CCGR_NUM(1, 12) +#define CCGR_FIRI_CLK __CCGR_NUM(1, 13) +#define CCGR_FIRI_SERIAL_CLK __CCGR_NUM(1, 14) +#define CCGR_SCC_CLK __CCGR_NUM(1, 15) +#define CCGR_USB_PHY_CLK __CCGR_NUM(2, 0) +#define CCGR_EPIT1_CLK __CCGR_NUM(2, 1) +#define CCGR_EPIT1_SERIAL_CLK __CCGR_NUM(2, 2) +#define CCGR_EPIT2_CLK __CCGR_NUM(2, 3) +#define CCGR_ESDHC1_CLK __CCGR_NUM(3, 0) +#define CCGR_ESDHC1_SERIAL_CLK __CCGR_NUM(3, 1) +#define CCGR_ESDHC2_CLK __CCGR_NUM(3, 2) +#define CCGR_ESDHC2_SERIAL_CLK __CCGR_NUM(3, 3) +#define CCGR_ESDHC3_CLK __CCGR_NUM(3, 4) +#define CCGR_ESDHC3_SERIAL_CLK __CCGR_NUM(3, 5) +#define CCGR_ESDHC4_CLK __CCGR_NUM(3, 6) +#define CCGR_ESDHC4_SERIAL_CLK __CCGR_NUM(3, 7) +#define CCGR_SSI1_CLK __CCGR_NUM(3, 8) +#define CCGR_SSI1_SERIAL_CLK __CCGR_NUM(3, 9) +#define CCGR_SSI2_CLK __CCGR_NUM(3, 10) +#define CCGR_SSI2_SERIAL_CLK __CCGR_NUM(3, 11) +#define CCGR_SSI3_CLK __CCGR_NUM(3, 12) +#define CCGR_SSI3_SERIAL_CLK __CCGR_NUM(3, 13) +#define CCGR_SSI_EXT1_CLK __CCGR_NUM(3, 14) +#define CCGR_SSI_EXT2_CLK __CCGR_NUM(3, 15) +#define CCGR_PATA_CLK __CCGR_NUM(4, 0) +#define CCGR_SIM_CLK __CCGR_NUM(4, 1) +#define CCGR_SIM_SERIAL_CLK __CCGR_NUM(4, 2) +#define CCGR_SAHARA_CLK __CCGR_NUM(4, 3) +#define CCGR_RTIC_CLK __CCGR_NUM(4, 4) +#define CCGR_ECSPI1_CLK __CCGR_NUM(4, 5) +#define CCGR_ECSPI1_SERIAL_CLK __CCGR_NUM(4, 6) +#define CCGR_ECSPI2_CLK __CCGR_NUM(4, 7) +#define CCGR_ECSPI2_SERIAL_CLK __CCGR_NUM(4, 8) +#define CCGR_CSPI_CLK __CCGR_NUM(4, 9) +#define CCGR_SRTC_CLK __CCGR_NUM(4, 10) +#define CCGR_SDMA_CLK __CCGR_NUM(4, 11) +#define CCGR_SPBA_CLK __CCGR_NUM(5, 0) +#define CCGR_GPU_CLK __CCGR_NUM(5, 1) +#define CCGR_GARB_CLK __CCGR_NUM(5, 2) +#define CCGR_VPU_CLK __CCGR_NUM(5, 3) +#define CCGR_VPU_SERIAL_CLK __CCGR_NUM(5, 4) +#define CCGR_IPU_CLK __CCGR_NUM(5, 5) +#define CCGR_EMI_GARB_CLK __CCGR_NUM(6, 0) +#define CCGR_IPU_DI0_CLK __CCGR_NUM(6, 1) +#define CCGR_IPU_DI1_CLK __CCGR_NUM(6, 2) +#define CCGR_GPU2D_CLK __CCGR_NUM(6, 3) +#define CCGR_SLIMBUS_CLK __CCGR_NUM(6, 4) +#define CCGR_SLIMBUS_SERIAL_CLK __CCGR_NUM(6, 5) + +#endif /* _IMX51_CCMREG_H */ + Index: src/sys/arch/arm/imx/imx51_ccmvar.h diff -u /dev/null src/sys/arch/arm/imx/imx51_ccmvar.h:1.1 --- /dev/null Tue Apr 17 09:33:31 2012 +++ src/sys/arch/arm/imx/imx51_ccmvar.h Tue Apr 17 09:33:31 2012 @@ -0,0 +1,78 @@ +/* $NetBSD: imx51_ccmvar.h,v 1.1 2012/04/17 09:33:31 bsh Exp $ */ +/* + * Copyright (c) 2012 Genetec Corporation. All rights reserved. + * Written by Hashimoto Kenichi for Genetec Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ARM_IMX_IMX51_CCMVAR_H_ +#define _ARM_IMX_IMX51_CCMVAR_H_ + +enum imx51_clock { + IMX51CLK_FPM, + IMX51CLK_PLL1, + IMX51CLK_PLL2, + IMX51CLK_PLL3, + IMX51CLK_PLL1SW, + IMX51CLK_PLL2SW, + IMX51CLK_PLL3SW, + IMX51CLK_PLL1STEP, + IMX51CLK_LP_APM, + IMX51CLK_ARM_ROOT, + IMX51CLK_MAIN_BUS_CLK_SRC, /* XXX */ + IMX51CLK_MAIN_BUS_CLK, + IMX51CLK_EMI_SLOW_CLK_ROOT, + IMX51CLK_ENFC_CLK_ROOT, + IMX51CLK_AHB_CLK_ROOT, + IMX51CLK_IPG_CLK_ROOT, + IMX51CLK_PERCLK_ROOT, + IMX51CLK_DDR_CLK_ROOT, + IMX51CLK_ARM_AXI_CLK_ROOT, + IMX51CLK_ARM_AXI_A_CLK, + IMX51CLK_ARM_AXI_B_CLK, + IMX51CLK_IPU_HSP_CLK_ROOT, + IMX51CLK_CKIL_SYNC_CLK_ROOT, + IMX51CLK_USBOH3_CLK_ROOT, + IMX51CLK_ESDHC1_CLK_ROOT, + IMX51CLK_ESDHC2_CLK_ROOT, + IMX51CLK_ESDHC3_CLK_ROOT, + IMX51CLK_UART_CLK_ROOT, + IMX51CLK_SSI1_CLK_ROOT, + IMX51CLK_SSI2_CLK_ROOT, + IMX51CLK_SSI_EXT1_CLK_ROOT, + IMX51CLK_SSI_EXT2_CLK_ROOT, + IMX51CLK_USB_PHY_CLK_ROOT, + IMX51CLK_TVE_216_54_CLK_ROOT, + IMX51CLK_DI_CLK_ROOT, + IMX51CLK_SPDIF0_CLK_ROOT, + IMX51CLK_SPDIF1_CLK_ROOT, + IMX51CLK_CSPI_CLK_ROOT, + IMX51CLK_WRCK_CLK_ROOT, + IMX51CLK_LPSR_CLK_ROOT, + IMX51CLK_PGC_CLK_ROOT +}; + +u_int imx51_get_clock(enum imx51_clock); +void imx51_clk_gating(int, int); + +#endif /* _ARM_IMX_IMX51_CCMVAR_H_ */ Index: src/sys/arch/arm/imx/imx51_dpllreg.h diff -u /dev/null src/sys/arch/arm/imx/imx51_dpllreg.h:1.1 --- /dev/null Tue Apr 17 09:33:31 2012 +++ src/sys/arch/arm/imx/imx51_dpllreg.h Tue Apr 17 09:33:31 2012 @@ -0,0 +1,62 @@ +/* $NetBSD: imx51_dpllreg.h,v 1.1 2012/04/17 09:33:31 bsh Exp $ */ +/* + * Copyright (c) 2012 Genetec Corporation. All rights reserved. + * Written by Hashimoto Kenichi for Genetec Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _IMX51_DPLLREG_H +#define _IMX51_DPLLREG_H + +#include <sys/cdefs.h> + +/* register offset address */ + +#define IMX51_N_DPLLS 3 /* 1..3 */ + +#define DPLL_BASE(n) (0x83F80000 + (0x4000 * ((n)-1))) +#define DPLL_SIZE 0x100 + +#define DPLL_DP_CTL 0x0000 +#define DP_CTL_HFSM __BIT(7) +#define DP_CTL_REF_CLK_SEL_MASK __BITS(8,9) +#define DP_CTL_REF_CLK_SEL_COSC (__BIT(9)|0) +#define DP_CTL_REF_CLK_SEL_FPM (__BIT(9)|__BIT(8)) +#define DP_CTL_REF_CLK_DIV __BIT(10) +#define DP_CTL_DPDCK0_2_EN __BIT(12) +#define DPLL_DP_CONFIG 0x0004 +#define DPLL_DP_OP 0x0008 +#define DP_OP_PDF_SHIFT 0 +#define DP_OP_PDF_MASK (0xf << DP_OP_PDF_SHIFT) +#define DP_OP_MFI_SHIFT 4 +#define DP_OP_MFI_MASK (0xf << DP_OP_MFI_SHIFT) +#define DPLL_DP_MFD 0x000C +#define DPLL_DP_MFN 0x0010 +#define DPLL_DP_MFNMINUS 0x0014 +#define DPLL_DP_MFNPLUS 0x0018 +#define DPLL_DP_HFS_OP 0x001C +#define DPLL_DP_HFS_MFD 0x0020 +#define DPLL_DP_HFS_MFN 0x0024 +#define DPLL_DP_TOGC 0x0028 +#define DPLL_DP_DESTAT 0x002C + +#endif /* _IMX51_DPLLREG_H */