Module Name: src Committed By: jmcneill Date: Sat Sep 30 12:48:58 UTC 2017
Modified Files: src/sys/arch/arm/sunxi: files.sunxi sunxi_ccu.c sunxi_ccu.h Added Files: src/sys/arch/arm/sunxi: sun8i_h3_r_ccu.c sun8i_h3_r_ccu.h sunxi_ccu_fixed_factor.c Log Message: Add support for Allwinner H3 PRCM clock controller. To generate a diff of this commit: cvs rdiff -u -r1.23 -r1.24 src/sys/arch/arm/sunxi/files.sunxi cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.c \ src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.h \ src/sys/arch/arm/sunxi/sunxi_ccu_fixed_factor.c cvs rdiff -u -r1.6 -r1.7 src/sys/arch/arm/sunxi/sunxi_ccu.c cvs rdiff -u -r1.10 -r1.11 src/sys/arch/arm/sunxi/sunxi_ccu.h 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/sunxi/files.sunxi diff -u src/sys/arch/arm/sunxi/files.sunxi:1.23 src/sys/arch/arm/sunxi/files.sunxi:1.24 --- src/sys/arch/arm/sunxi/files.sunxi:1.23 Sat Sep 9 12:01:04 2017 +++ src/sys/arch/arm/sunxi/files.sunxi Sat Sep 30 12:48:58 2017 @@ -1,4 +1,4 @@ -# $NetBSD: files.sunxi,v 1.23 2017/09/09 12:01:04 jmcneill Exp $ +# $NetBSD: files.sunxi,v 1.24 2017/09/30 12:48:58 jmcneill Exp $ # # Configuration info for Allwinner sunxi family SoCs # @@ -21,6 +21,7 @@ file arch/arm/sunxi/sunxi_platform.c so define sunxi_ccu file arch/arm/sunxi/sunxi_ccu.c sunxi_ccu file arch/arm/sunxi/sunxi_ccu_div.c sunxi_ccu +file arch/arm/sunxi/sunxi_ccu_fixed_factor.c sunxi_ccu file arch/arm/sunxi/sunxi_ccu_gate.c sunxi_ccu file arch/arm/sunxi/sunxi_ccu_nm.c sunxi_ccu file arch/arm/sunxi/sunxi_ccu_nkmp.c sunxi_ccu @@ -47,6 +48,11 @@ device sun8ih3ccu: sunxi_ccu attach sun8ih3ccu at fdt with sunxi_h3_ccu file arch/arm/sunxi/sun8i_h3_ccu.c sunxi_h3_ccu +# CCU (H3 PRCM) +device sun8ih3rccu: sunxi_ccu +attach sun8ih3rccu at fdt with sunxi_h3_r_ccu +file arch/arm/sunxi/sun8i_h3_r_ccu.c sunxi_h3_r_ccu + # CCU (A64) device sun50ia64ccu: sunxi_ccu attach sun50ia64ccu at fdt with sunxi_a64_ccu Index: src/sys/arch/arm/sunxi/sunxi_ccu.c diff -u src/sys/arch/arm/sunxi/sunxi_ccu.c:1.6 src/sys/arch/arm/sunxi/sunxi_ccu.c:1.7 --- src/sys/arch/arm/sunxi/sunxi_ccu.c:1.6 Mon Jul 17 23:26:17 2017 +++ src/sys/arch/arm/sunxi/sunxi_ccu.c Sat Sep 30 12:48:58 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: sunxi_ccu.c,v 1.6 2017/07/17 23:26:17 jmcneill Exp $ */ +/* $NetBSD: sunxi_ccu.c,v 1.7 2017/09/30 12:48:58 jmcneill Exp $ */ /*- * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> @@ -31,7 +31,7 @@ #include "opt_fdt_arm.h" #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.6 2017/07/17 23:26:17 jmcneill Exp $"); +__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu.c,v 1.7 2017/09/30 12:48:58 jmcneill Exp $"); #include <sys/param.h> #include <sys/bus.h> @@ -324,13 +324,14 @@ sunxi_ccu_print(struct sunxi_ccu_softc * clkp_parent = clk_get_parent(&clk->base); switch (clk->type) { - case SUNXI_CCU_GATE: type = "gate"; break; - case SUNXI_CCU_NM: type = "nm"; break; - case SUNXI_CCU_NKMP: type = "nkmp"; break; - case SUNXI_CCU_PREDIV: type = "prediv"; break; - case SUNXI_CCU_DIV: type = "div"; break; - case SUNXI_CCU_PHASE: type = "phase"; break; - default: type = "???"; break; + case SUNXI_CCU_GATE: type = "gate"; break; + case SUNXI_CCU_NM: type = "nm"; break; + case SUNXI_CCU_NKMP: type = "nkmp"; break; + case SUNXI_CCU_PREDIV: type = "prediv"; break; + case SUNXI_CCU_DIV: type = "div"; break; + case SUNXI_CCU_PHASE: type = "phase"; break; + case SUNXI_CCU_FIXED_FACTOR: type = "fixed-factor"; break; + default: type = "???"; break; } aprint_debug_dev(sc->sc_dev, Index: src/sys/arch/arm/sunxi/sunxi_ccu.h diff -u src/sys/arch/arm/sunxi/sunxi_ccu.h:1.10 src/sys/arch/arm/sunxi/sunxi_ccu.h:1.11 --- src/sys/arch/arm/sunxi/sunxi_ccu.h:1.10 Fri Aug 25 00:07:03 2017 +++ src/sys/arch/arm/sunxi/sunxi_ccu.h Sat Sep 30 12:48:58 2017 @@ -1,4 +1,4 @@ -/* $NetBSD: sunxi_ccu.h,v 1.10 2017/08/25 00:07:03 jmcneill Exp $ */ +/* $NetBSD: sunxi_ccu.h,v 1.11 2017/09/30 12:48:58 jmcneill Exp $ */ /*- * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> @@ -62,6 +62,7 @@ enum sunxi_ccu_clktype { SUNXI_CCU_PREDIV, SUNXI_CCU_DIV, SUNXI_CCU_PHASE, + SUNXI_CCU_FIXED_FACTOR, }; struct sunxi_ccu_gate { @@ -305,6 +306,28 @@ const char *sunxi_ccu_phase_get_parent(s .get_parent = sunxi_ccu_phase_get_parent, \ } +struct sunxi_ccu_fixed_factor { + const char *parent; + u_int div; + u_int mult; +}; + +u_int sunxi_ccu_fixed_factor_get_rate(struct sunxi_ccu_softc *, + struct sunxi_ccu_clk *); +const char *sunxi_ccu_fixed_factor_get_parent(struct sunxi_ccu_softc *, + struct sunxi_ccu_clk *); + +#define SUNXI_CCU_FIXED_FACTOR(_id, _name, _parent, _div, _mult) \ + [_id] = { \ + .type = SUNXI_CCU_FIXED_FACTOR, \ + .base.name = (_name), \ + .u.fixed_factor.parent = (_parent), \ + .u.fixed_factor.div = (_div), \ + .u.fixed_factor.mult = (_mult), \ + .get_rate = sunxi_ccu_fixed_factor_get_rate, \ + .get_parent = sunxi_ccu_fixed_factor_get_parent, \ + } + struct sunxi_ccu_clk { struct clk base; enum sunxi_ccu_clktype type; @@ -315,6 +338,7 @@ struct sunxi_ccu_clk { struct sunxi_ccu_prediv prediv; struct sunxi_ccu_div div; struct sunxi_ccu_phase phase; + struct sunxi_ccu_fixed_factor fixed_factor; } u; int (*enable)(struct sunxi_ccu_softc *, Added files: Index: src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.c diff -u /dev/null src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.c:1.1 --- /dev/null Sat Sep 30 12:48:58 2017 +++ src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.c Sat Sep 30 12:48:58 2017 @@ -0,0 +1,129 @@ +/* $NetBSD: sun8i_h3_r_ccu.c,v 1.1 2017/09/30 12:48:58 jmcneill Exp $ */ + +/*- + * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> + * All rights reserved. + * + * 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 THE AUTHOR ``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 THE AUTHOR 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. + */ + +#include <sys/cdefs.h> + +__KERNEL_RCSID(1, "$NetBSD: sun8i_h3_r_ccu.c,v 1.1 2017/09/30 12:48:58 jmcneill Exp $"); + +#include <sys/param.h> +#include <sys/bus.h> +#include <sys/device.h> +#include <sys/systm.h> + +#include <dev/fdt/fdtvar.h> + +#include <arm/sunxi/sunxi_ccu.h> +#include <arm/sunxi/sun8i_h3_r_ccu.h> + +#define AR100_CFG_REG 0x00 +#define APB0_CFG_REG 0x0c +#define APB0_GATE_REG 0x28 +#define APB0_RESET_REG 0xb0 + +static int sun8i_h3_r_ccu_match(device_t, cfdata_t, void *); +static void sun8i_h3_r_ccu_attach(device_t, device_t, void *); + +static const char * const compatible[] = { + "allwinner,sun8i-h3-r-ccu", + NULL +}; + +CFATTACH_DECL_NEW(sunxi_h3_r_ccu, sizeof(struct sunxi_ccu_softc), + sun8i_h3_r_ccu_match, sun8i_h3_r_ccu_attach, NULL, NULL); + +static struct sunxi_ccu_reset sun8i_h3_r_ccu_resets[] = { + SUNXI_CCU_RESET(H3_R_RST_APB0_IR, APB0_RESET_REG, 1), + SUNXI_CCU_RESET(H3_R_RST_APB0_TIMER, APB0_RESET_REG, 2), + SUNXI_CCU_RESET(H3_R_RST_APB0_UART, APB0_RESET_REG, 4), + SUNXI_CCU_RESET(H3_R_RST_APB0_I2C, APB0_RESET_REG, 6), +}; + +static const char *ar100_parents[] = { "losc", "hosc", "pll_periph0", "losc" }; +static const char *apb0_parents[] = { "ahb0" }; + +static struct sunxi_ccu_clk sun8i_h3_r_ccu_clks[] = { + SUNXI_CCU_PREDIV(H3_R_CLK_AR100, "ar100", ar100_parents, + AR100_CFG_REG, /* reg */ + __BITS(12,8), /* prediv */ + __BIT(2), /* prediv_sel */ + __BITS(5,4), /* div */ + __BITS(17,16), /* sel */ + SUNXI_CCU_PREDIV_POWER_OF_TWO), + + SUNXI_CCU_FIXED_FACTOR(H3_R_CLK_AHB0, "ahb0", "ar100", 1, 1), + + SUNXI_CCU_DIV(H3_R_CLK_APB0, "apb0", apb0_parents, + APB0_CFG_REG, /* reg */ + __BITS(1,0), /* div */ + 0, /* sel */ + SUNXI_CCU_DIV_POWER_OF_TWO), + + SUNXI_CCU_GATE(H3_R_CLK_APB0_PIO, "apb0-pio", "apb0", + APB0_GATE_REG, 0), + SUNXI_CCU_GATE(H3_R_CLK_APB0_IR, "apb0-ir", "apb0", + APB0_GATE_REG, 1), + SUNXI_CCU_GATE(H3_R_CLK_APB0_TIMER, "apb0-timer", "apb0", + APB0_GATE_REG, 2), + SUNXI_CCU_GATE(H3_R_CLK_APB0_UART, "apb0-uart", "apb0", + APB0_GATE_REG, 4), + SUNXI_CCU_GATE(H3_R_CLK_APB0_I2C, "apb0-i2c", "apb0", + APB0_GATE_REG, 6), +}; + +static int +sun8i_h3_r_ccu_match(device_t parent, cfdata_t cf, void *aux) +{ + struct fdt_attach_args * const faa = aux; + + return of_match_compatible(faa->faa_phandle, compatible); +} + +static void +sun8i_h3_r_ccu_attach(device_t parent, device_t self, void *aux) +{ + struct sunxi_ccu_softc * const sc = device_private(self); + struct fdt_attach_args * const faa = aux; + + sc->sc_dev = self; + sc->sc_phandle = faa->faa_phandle; + sc->sc_bst = faa->faa_bst; + + sc->sc_resets = sun8i_h3_r_ccu_resets; + sc->sc_nresets = __arraycount(sun8i_h3_r_ccu_resets); + + sc->sc_clks = sun8i_h3_r_ccu_clks; + sc->sc_nclks = __arraycount(sun8i_h3_r_ccu_clks); + + if (sunxi_ccu_attach(sc) != 0) + return; + + aprint_naive("\n"); + aprint_normal(": H3 PRCM CCU\n"); + + sunxi_ccu_print(sc); +} Index: src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.h diff -u /dev/null src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.h:1.1 --- /dev/null Sat Sep 30 12:48:58 2017 +++ src/sys/arch/arm/sunxi/sun8i_h3_r_ccu.h Sat Sep 30 12:48:58 2017 @@ -0,0 +1,50 @@ +/* $NetBSD: sun8i_h3_r_ccu.h,v 1.1 2017/09/30 12:48:58 jmcneill Exp $ */ + +/*- + * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> + * All rights reserved. + * + * 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 THE AUTHOR ``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 THE AUTHOR 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_SUN8I_H3_R_CCU_H +#define _ARM_SUN8I_H3_R_CCU_H + +#define H3_R_RST_APB0_IR 0 +#define H3_R_RST_APB0_TIMER 1 +#define H3_R_RST_APB0_RSB 2 +#define H3_R_RST_APB0_UART 3 +#define H3_R_RST_APB0_I2C 5 + +#define H3_R_CLK_AR100 0 +#define H3_R_CLK_AHB0 1 +#define H3_R_CLK_APB0 2 +#define H3_R_CLK_APB0_PIO 3 +#define H3_R_CLK_APB0_IR 4 +#define H3_R_CLK_APB0_TIMER 5 +#define H3_R_CLK_APB0_RSB 6 +#define H3_R_CLK_APB0_UART 7 +#define H3_R_CLK_APB0_I2C 9 +#define H3_R_CLK_APB0_TWD 10 +#define H3_R_CLK_IR 11 + +#endif /* _ARM_SUN8I_H3_R_CCU_H */ Index: src/sys/arch/arm/sunxi/sunxi_ccu_fixed_factor.c diff -u /dev/null src/sys/arch/arm/sunxi/sunxi_ccu_fixed_factor.c:1.1 --- /dev/null Sat Sep 30 12:48:58 2017 +++ src/sys/arch/arm/sunxi/sunxi_ccu_fixed_factor.c Sat Sep 30 12:48:58 2017 @@ -0,0 +1,76 @@ +/* $NetBSD: sunxi_ccu_fixed_factor.c,v 1.1 2017/09/30 12:48:58 jmcneill Exp $ */ + +/*- + * Copyright (c) 2017 Jared McNeill <jmcne...@invisible.ca> + * All rights reserved. + * + * 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 THE AUTHOR ``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 THE AUTHOR 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. + */ + +#include <sys/cdefs.h> +__KERNEL_RCSID(0, "$NetBSD: sunxi_ccu_fixed_factor.c,v 1.1 2017/09/30 12:48:58 jmcneill Exp $"); + +#include <sys/param.h> +#include <sys/bus.h> + +#include <dev/clk/clk_backend.h> + +#include <arm/sunxi/sunxi_ccu.h> + +static u_int +sunxi_ccu_fixed_factor_get_parent_rate(struct clk *clkp) +{ + struct clk *clkp_parent; + + clkp_parent = clk_get_parent(clkp); + if (clkp_parent == NULL) + return 0; + + return clk_get_rate(clkp_parent); +} + +u_int +sunxi_ccu_fixed_factor_get_rate(struct sunxi_ccu_softc *sc, + struct sunxi_ccu_clk *clk) +{ + struct sunxi_ccu_fixed_factor *fixed_factor = &clk->u.fixed_factor; + struct clk *clkp = &clk->base; + + KASSERT(clk->type == SUNXI_CCU_FIXED_FACTOR); + + const u_int p_rate = sunxi_ccu_fixed_factor_get_parent_rate(clkp); + if (p_rate == 0) + return 0; + + return (u_int)(((uint64_t)p_rate * fixed_factor->mult) / fixed_factor->div); +} + +const char * +sunxi_ccu_fixed_factor_get_parent(struct sunxi_ccu_softc *sc, + struct sunxi_ccu_clk *clk) +{ + struct sunxi_ccu_fixed_factor *fixed_factor = &clk->u.fixed_factor; + + KASSERT(clk->type == SUNXI_CCU_FIXED_FACTOR); + + return fixed_factor->parent; +}