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 <[email protected]>
@@ -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 <[email protected]>
@@ -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 <[email protected]>
+ * 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 <[email protected]>
+ * 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 <[email protected]>
+ * 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;
+}
