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[src/trunk]: src/sys/arch/arm/sunxi Add driver for Allwinner H6 PRCM CCU.
details: https://anonhg.NetBSD.org/src/rev/0dbd564a3224
branches: trunk
changeset: 832181:0dbd564a3224
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Wed May 02 11:02:21 2018 +0000
description:
Add driver for Allwinner H6 PRCM CCU.
diffstat:
sys/arch/arm/sunxi/files.sunxi | 7 +-
sys/arch/arm/sunxi/sun50i_h6_r_ccu.c | 156 +++++++++++++++++++++++++++++++++++
sys/arch/arm/sunxi/sun50i_h6_r_ccu.h | 54 ++++++++++++
3 files changed, 216 insertions(+), 1 deletions(-)
diffs (239 lines):
diff -r 134b1385ddc6 -r 0dbd564a3224 sys/arch/arm/sunxi/files.sunxi
--- a/sys/arch/arm/sunxi/files.sunxi Wed May 02 10:09:15 2018 +0000
+++ b/sys/arch/arm/sunxi/files.sunxi Wed May 02 11:02:21 2018 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: files.sunxi,v 1.50 2018/05/01 23:59:42 jmcneill Exp $
+# $NetBSD: files.sunxi,v 1.51 2018/05/02 11:02:21 jmcneill Exp $
#
# Configuration info for Allwinner sunxi family SoCs
#
@@ -64,6 +64,11 @@
attach sun50ih6ccu at fdt with sunxi_h6_ccu
file arch/arm/sunxi/sun50i_h6_ccu.c sunxi_h6_ccu
+# CCU (H6 PRCM)
+device sun50ih6rccu: sunxi_ccu
+attach sun50ih6rccu at fdt with sunxi_h6_r_ccu
+file arch/arm/sunxi/sun50i_h6_r_ccu.c sunxi_h6_r_ccu
+
# Misc. clock resets
device sunxiresets
attach sunxiresets at fdt with sunxi_resets
diff -r 134b1385ddc6 -r 0dbd564a3224 sys/arch/arm/sunxi/sun50i_h6_r_ccu.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/sunxi/sun50i_h6_r_ccu.c Wed May 02 11:02:21 2018 +0000
@@ -0,0 +1,156 @@
+/* $NetBSD: sun50i_h6_r_ccu.c,v 1.1 2018/05/02 11:02:21 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
+ * 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: sun50i_h6_r_ccu.c,v 1.1 2018/05/02 11:02:21 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/sun50i_h6_r_ccu.h>
+
+#define AR100_CFG_REG 0x00
+#define APB1_CFG_REG 0x0c
+#define APB2_CFG_REG 0x10
+#define IR_CFG_REG 0x1c0
+#define W1_CFG_REG 0x1e0
+
+static int sun50i_h6_r_ccu_match(device_t, cfdata_t, void *);
+static void sun50i_h6_r_ccu_attach(device_t, device_t, void *);
+
+static const char * const compatible[] = {
+ "allwinner,sun50i-h6-r-ccu",
+ NULL
+};
+
+CFATTACH_DECL_NEW(sunxi_h6_r_ccu, sizeof(struct sunxi_ccu_softc),
+ sun50i_h6_r_ccu_match, sun50i_h6_r_ccu_attach, NULL, NULL);
+
+static struct sunxi_ccu_reset sun50i_h6_r_ccu_resets[] = {
+ SUNXI_CCU_RESET(H6_R_RST_APB1_TIMER, 0x11c, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB1_TWD, 0x12c, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB1_PWM, 0x13c, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB2_UART, 0x18c, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB2_I2C, 0x19c, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB1_IR, 0x1cc, 16),
+ SUNXI_CCU_RESET(H6_R_RST_APB1_W1, 0x1ec, 16),
+};
+
+static const char *ar100_parents[] = { "hosc", "losc", "pll-periph", "iosc" };
+static const char *apb1_parents[] = { "ahb" };
+static const char *apb2_parents[] = { "hosc", "losc", "pll-periph", "iosc" };
+static const char *mod_parents[] = { "losc", "hosc" };
+
+static struct sunxi_ccu_clk sun50i_h6_r_ccu_clks[] = {
+ SUNXI_CCU_PREDIV(H6_R_CLK_AR100, "ar100", ar100_parents,
+ AR100_CFG_REG, /* reg */
+ __BITS(4,0), /* prediv */
+ __BIT(2), /* prediv_sel */
+ __BITS(9,8), /* div */
+ __BITS(25,24), /* sel */
+ SUNXI_CCU_PREDIV_POWER_OF_TWO),
+
+ SUNXI_CCU_FIXED_FACTOR(H6_R_CLK_AHB, "ahb", "ar100", 1, 1),
+
+ SUNXI_CCU_DIV(H6_R_CLK_APB1, "apb1", apb1_parents,
+ APB1_CFG_REG, /* reg */
+ __BITS(1,0), /* div */
+ 0, /* sel */
+ SUNXI_CCU_DIV_POWER_OF_TWO),
+
+ SUNXI_CCU_PREDIV(H6_R_CLK_APB2, "apb2", apb2_parents,
+ APB2_CFG_REG, /* reg */
+ __BITS(4,0), /* prediv */
+ __BIT(2), /* prediv_sel */
+ __BITS(9,8), /* div */
+ __BITS(25,24), /* sel */
+ SUNXI_CCU_PREDIV_POWER_OF_TWO),
+
+ SUNXI_CCU_GATE(H6_R_CLK_APB1_TIMER, "apb1-timer", "apb1", 0x11c, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB1_TWD, "apb1-twd", "apb1", 0x12c, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB1_PWM, "apb1-pwm", "apb1", 0x13c, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB2_UART, "apb2-uart", "apb2", 0x18c, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB2_I2C, "apb2-i2c", "apb2", 0x19c, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB1_IR, "apb1-ir", "apb1", 0x1cc, 0),
+ SUNXI_CCU_GATE(H6_R_CLK_APB1_W1, "apb1-w1", "apb1", 0x1ec, 0),
+
+ SUNXI_CCU_NM(H6_R_CLK_IR, "ir", mod_parents,
+ IR_CFG_REG, /* reg */
+ __BITS(4,0), /* n */
+ __BITS(9,8), /* m */
+ __BIT(24), /* sel */
+ __BIT(31), /* enable */
+ 0),
+
+ SUNXI_CCU_NM(H6_R_CLK_W1, "w1", mod_parents,
+ W1_CFG_REG, /* reg */
+ __BITS(4,0), /* n */
+ __BITS(9,8), /* m */
+ __BIT(24), /* sel */
+ __BIT(31), /* enable */
+ 0),
+};
+
+static int
+sun50i_h6_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
+sun50i_h6_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 = sun50i_h6_r_ccu_resets;
+ sc->sc_nresets = __arraycount(sun50i_h6_r_ccu_resets);
+
+ sc->sc_clks = sun50i_h6_r_ccu_clks;
+ sc->sc_nclks = __arraycount(sun50i_h6_r_ccu_clks);
+
+ if (sunxi_ccu_attach(sc) != 0)
+ return;
+
+ aprint_naive("\n");
+ aprint_normal(": H6 PRCM CCU\n");
+
+ sunxi_ccu_print(sc);
+}
diff -r 134b1385ddc6 -r 0dbd564a3224 sys/arch/arm/sunxi/sun50i_h6_r_ccu.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/arm/sunxi/sun50i_h6_r_ccu.h Wed May 02 11:02:21 2018 +0000
@@ -0,0 +1,54 @@
+/* $NetBSD: sun50i_h6_r_ccu.h,v 1.1 2018/05/02 11:02:21 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
+ * 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 _SUN50I_H6_R_CCU_H
+#define _SUN50I_H6_R_CCU_H
+
+#define H6_R_RST_APB1_TIMER 0
+#define H6_R_RST_APB1_TWD 1
+#define H6_R_RST_APB1_PWM 2
+#define H6_R_RST_APB2_UART 3
+#define H6_R_RST_APB2_I2C 4
+#define H6_R_RST_APB1_IR 5
+#define H6_R_RST_APB1_W1 6
+
+#define H6_R_CLK_AR100 0
+#define H6_R_CLK_AHB 1
+#define H6_R_CLK_APB1 2
+#define H6_R_CLK_APB2 3
+#define H6_R_CLK_APB1_TIMER 4
+#define H6_R_CLK_APB1_TWD 5
+#define H6_R_CLK_APB1_PWM 6
+#define H6_R_CLK_APB2_UART 7
+#define H6_R_CLK_APB2_I2C 8
+#define H6_R_CLK_APB1_IR 9
+#define H6_R_CLK_APB1_W1 10
+#define H6_R_CLK_IR 11
+#define H6_R_CLK_W1 12
+
+#endif /* !_SUN50I_H6_R_CCU_H */
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