From owner-svn-src-head@freebsd.org Wed Aug 5 18:21:23 2020 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id DBD693A5E89; Wed, 5 Aug 2020 18:21:23 +0000 (UTC) (envelope-from gonzo@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BMKh35GtDz44Gl; Wed, 5 Aug 2020 18:21:23 +0000 (UTC) (envelope-from gonzo@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 97DC81A323; Wed, 5 Aug 2020 18:21:23 +0000 (UTC) (envelope-from gonzo@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 075ILNDi040838; Wed, 5 Aug 2020 18:21:23 GMT (envelope-from gonzo@FreeBSD.org) Received: (from gonzo@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 075ILNPB040446; Wed, 5 Aug 2020 18:21:23 GMT (envelope-from gonzo@FreeBSD.org) Message-Id: <202008051821.075ILNPB040446@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: gonzo set sender to gonzo@FreeBSD.org using -f From: Oleksandr Tymoshenko Date: Wed, 5 Aug 2020 18:21:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r363926 - head/sys/arm64/rockchip/clk X-SVN-Group: head X-SVN-Commit-Author: gonzo X-SVN-Commit-Paths: head/sys/arm64/rockchip/clk X-SVN-Commit-Revision: 363926 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Aug 2020 18:21:23 -0000 Author: gonzo Date: Wed Aug 5 18:21:22 2020 New Revision: 363926 URL: https://svnweb.freebsd.org/changeset/base/363926 Log: Add flag for SYSCON-controlled clocks on Rockhip platform Ethernet clocks on RK3328 are controlled by SYSCON registers, so add RK_CLK_COMPOSITE_GRF flag to indicate that clock node should access grf registers instead of CRU's Reviewed by: manu Differential Revision: https://reviews.freebsd.org/D25918 Modified: head/sys/arm64/rockchip/clk/rk_clk_composite.c head/sys/arm64/rockchip/clk/rk_clk_composite.h Modified: head/sys/arm64/rockchip/clk/rk_clk_composite.c ============================================================================== --- head/sys/arm64/rockchip/clk/rk_clk_composite.c Wed Aug 5 17:26:20 2020 (r363925) +++ head/sys/arm64/rockchip/clk/rk_clk_composite.c Wed Aug 5 18:21:22 2020 (r363926) @@ -35,10 +35,12 @@ __FBSDID("$FreeBSD$"); #include #include +#include #include #include "clkdev_if.h" +#include "syscon_if.h" struct rk_clk_composite_sc { uint32_t muxdiv_offset; @@ -54,12 +56,14 @@ struct rk_clk_composite_sc { uint32_t gate_shift; uint32_t flags; + + struct syscon *grf; }; #define WRITE4(_clk, off, val) \ - CLKDEV_WRITE_4(clknode_get_device(_clk), off, val) + rk_clk_composite_write_4(_clk, off, val) #define READ4(_clk, off, val) \ - CLKDEV_READ_4(clknode_get_device(_clk), off, val) + rk_clk_composite_read_4(_clk, off, val) #define DEVICE_LOCK(_clk) \ CLKDEV_DEVICE_LOCK(clknode_get_device(_clk)) #define DEVICE_UNLOCK(_clk) \ @@ -74,6 +78,49 @@ struct rk_clk_composite_sc { #define dprintf(format, arg...) #endif +static void +rk_clk_composite_read_4(struct clknode *clk, bus_addr_t addr, uint32_t *val) +{ + struct rk_clk_composite_sc *sc; + + sc = clknode_get_softc(clk); + if (sc->grf) + *val = SYSCON_READ_4(sc->grf, addr); + else + CLKDEV_READ_4(clknode_get_device(clk), addr, val); +} + +static void +rk_clk_composite_write_4(struct clknode *clk, bus_addr_t addr, uint32_t val) +{ + struct rk_clk_composite_sc *sc; + + sc = clknode_get_softc(clk); + if (sc->grf) + SYSCON_WRITE_4(sc->grf, addr, val | (0xffff << 16)); + else + CLKDEV_WRITE_4(clknode_get_device(clk), addr, val); +} + +static struct syscon * +rk_clk_composite_get_grf(struct clknode *clk) +{ + device_t dev; + phandle_t node; + struct syscon *grf; + + grf = NULL; + dev = clknode_get_device(clk); + node = ofw_bus_get_node(dev); + if (OF_hasprop(node, "rockchip,grf") && + syscon_get_by_ofw_property(dev, node, + "rockchip,grf", &grf) != 0) { + return (NULL); + } + + return (grf); +} + static int rk_clk_composite_init(struct clknode *clk, device_t dev) { @@ -81,6 +128,12 @@ rk_clk_composite_init(struct clknode *clk, device_t de uint32_t val, idx; sc = clknode_get_softc(clk); + if ((sc->flags & RK_CLK_COMPOSITE_GRF) != 0) { + sc->grf = rk_clk_composite_get_grf(clk); + if (sc->grf == NULL) + panic("clock %s has GRF flag set but no syscon is available", + clknode_get_name(clk)); + } idx = 0; if ((sc->flags & RK_CLK_COMPOSITE_HAVE_MUX) != 0) { Modified: head/sys/arm64/rockchip/clk/rk_clk_composite.h ============================================================================== --- head/sys/arm64/rockchip/clk/rk_clk_composite.h Wed Aug 5 17:26:20 2020 (r363925) +++ head/sys/arm64/rockchip/clk/rk_clk_composite.h Wed Aug 5 18:21:22 2020 (r363926) @@ -53,6 +53,7 @@ struct rk_clk_composite_def { #define RK_CLK_COMPOSITE_HAVE_GATE 0x0002 #define RK_CLK_COMPOSITE_DIV_EXP 0x0004 /* Register 0, 1, 2, 2, ... */ /* Divider 1, 2, 4, 8, ... */ +#define RK_CLK_COMPOSITE_GRF 0x0008 /* Use syscon registers instead of CRU's */ int rk_clk_composite_register(struct clkdom *clkdom, struct rk_clk_composite_def *clkdef);