From nobody Mon Sep 18 13:24:55 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Rq5BJ6ScQz4tC5p; Mon, 18 Sep 2023 13:24:56 +0000 (UTC) (envelope-from git@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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Rq5BJ1mypz4SdJ; Mon, 18 Sep 2023 13:24:56 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1695043496; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Jh0CQWBcDB3FwCr8F8QXx4BTUIpUm34G30y6RqmTBSw=; b=pjzvQoUbYfEYOXvRljEfaqUbKTt8efuq9eDWBgJV0Ku2WG81LEGOrQ2z9qktiDxdBW1CPb RySy0UVtpr5D4+Yjuwm1RVWkWaR/1sNIuTamqRyhI7S70Cw1H4cqxnWfjA28/eg3klDffE pdztk+a/oH+XN9dcnxTNRZPHmQia19y8lig8FRxvDSjBTZ68nOgRb+uv92JFDUZj/SnFra qCpdKbnmM337SyGswOq1Pc00i7Tv2jILCPF4WTRPNdXB7W4HKrOjD/1SR95reCdBRPpB8q CrIzhNOqDHwSTKpEmKI/hytgp4aARv/kItbYVcpwK/16seRauPqGXpkLWW3VSQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1695043496; a=rsa-sha256; cv=none; b=T8pFKlh26mRVspH2Z40LejZuUn0YhFy22Q9wx5zhBL70xLQU0gQaPCBnk7DAOz9wNr4nHs oGn+lBILcxEhO2XU3WlBURpArwFJynb3DwU727x1G+a4y4TXW/Lz780610bPVfZwS+H+RN wNSxsWhTP9nOEscoL/V+HpyQdSQ9wn32uZd0vXYTaLTQTBxYga06H5ZvYiES90zrjU1Ebk 2PumD8panTlXGdjiqc8MBHBIu5YLYgcGKd83/zLJp1tPSEe5gBq5cEspEK2U009VA1FgGl 9REbPHGVTG/R4F9zJzgmWuPm37Pmn3nVMtZR7C+QuvPLpIxPNFVnxPZCQl/YzA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1695043496; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Jh0CQWBcDB3FwCr8F8QXx4BTUIpUm34G30y6RqmTBSw=; b=TlprTVjopFdsnt7nvcM7xlAou3Lz/4ShpV0D8+7olwVqv9ea1y0/2DndB3zJXc59TEsruC jhB0AMIZiWA1BkxCXBEJ3fZLL947lkAX6tGEzfi1zNpwhz9FkwzfAqJcwC07kujNanYbGp XIRCIbw2czFU4feWJibGUOawDYn4aN6q5Qpk8jyhO1qTdpnn7gxxA0K1O5mW+ylywRZb2c O5/lvphGMFeMyFDxJyuekxCkbptuJmSh0aPLv/rYnnqEtxMcopX3l+FU4ULs8iw1ylBNyg BM2llWNXQFQLZdZ4X9IZYFr8hbGZtKhHX8jIDLUm6qfDVH4hj3JGduJUXGfbCA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Rq5BH72KDzYDK; Mon, 18 Sep 2023 13:24:55 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 38IDOtOF097365; Mon, 18 Sep 2023 13:24:55 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 38IDOtte097362; Mon, 18 Sep 2023 13:24:55 GMT (envelope-from git) Date: Mon, 18 Sep 2023 13:24:55 GMT Message-Id: <202309181324.38IDOtte097362@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Emmanuel Vadot Subject: git: 4c52dde5bda0 - main - if_cgem: Rewrite clock part List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: manu X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4c52dde5bda099936d43820da84e569dccc6f475 Auto-Submitted: auto-generated The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=4c52dde5bda099936d43820da84e569dccc6f475 commit 4c52dde5bda099936d43820da84e569dccc6f475 Author: Emmanuel Vadot AuthorDate: 2023-09-14 08:57:19 +0000 Commit: Emmanuel Vadot CommitDate: 2023-09-18 13:24:27 +0000 if_cgem: Rewrite clock part - pclk and hclk are mandatory so always try to get them. Don't make it fatal if it fails as some platform (like Zynq) don't have a proper clock driver. - Always use pclk for the reference clock. - Try to get all the possible clocks and enable them. Reviewed-by: mhorne Tested-by: Milan Obuch Differential Revision: https://reviews.freebsd.org/D41857 Sponsored by: Beckhoff Automation GmbH & Co. KG --- sys/dev/cadence/if_cgem.c | 118 +++++++++++++++++++++++++++++++++------------- 1 file changed, 86 insertions(+), 32 deletions(-) diff --git a/sys/dev/cadence/if_cgem.c b/sys/dev/cadence/if_cgem.c index 43e35b2bf849..6e4a62f6e5ee 100644 --- a/sys/dev/cadence/if_cgem.c +++ b/sys/dev/cadence/if_cgem.c @@ -102,17 +102,15 @@ #define HWQUIRK_NONE 0 #define HWQUIRK_NEEDNULLQS 1 #define HWQUIRK_RXHANGWAR 2 -#define HWQUIRK_TXCLK 4 -#define HWQUIRK_PCLK 8 static struct ofw_compat_data compat_data[] = { - { "cdns,zynq-gem", HWQUIRK_RXHANGWAR | HWQUIRK_TXCLK }, /* Deprecated */ - { "cdns,zynqmp-gem", HWQUIRK_NEEDNULLQS | HWQUIRK_TXCLK }, /* Deprecated */ - { "xlnx,zynq-gem", HWQUIRK_RXHANGWAR | HWQUIRK_TXCLK }, - { "xlnx,zynqmp-gem", HWQUIRK_NEEDNULLQS | HWQUIRK_TXCLK }, - { "microchip,mpfs-mss-gem", HWQUIRK_NEEDNULLQS | HWQUIRK_TXCLK }, - { "sifive,fu540-c000-gem", HWQUIRK_PCLK }, - { "sifive,fu740-c000-gem", HWQUIRK_PCLK }, + { "cdns,zynq-gem", HWQUIRK_RXHANGWAR }, /* Deprecated */ + { "cdns,zynqmp-gem", HWQUIRK_NEEDNULLQS }, /* Deprecated */ + { "xlnx,zynq-gem", HWQUIRK_RXHANGWAR }, + { "xlnx,zynqmp-gem", HWQUIRK_NEEDNULLQS }, + { "microchip,mpfs-mss-gem", HWQUIRK_NEEDNULLQS }, + { "sifive,fu540-c000-gem", HWQUIRK_NONE }, + { "sifive,fu740-c000-gem", HWQUIRK_NONE }, { NULL, 0 } }; @@ -129,7 +127,11 @@ struct cgem_softc { struct callout tick_ch; uint32_t net_ctl_shadow; uint32_t net_cfg_shadow; - clk_t ref_clk; + clk_t clk_pclk; + clk_t clk_hclk; + clk_t clk_txclk; + clk_t clk_rxclk; + clk_t clk_tsuclk; int neednullqs; int phy_contype; @@ -1497,9 +1499,9 @@ cgem_mediachange(struct cgem_softc *sc, struct mii_data *mii) WR4(sc, CGEM_NET_CFG, sc->net_cfg_shadow); - if (sc->ref_clk != NULL) { + if (sc->clk_pclk != NULL) { CGEM_UNLOCK(sc); - if (clk_set_freq(sc->ref_clk, ref_clk_freq, 0)) + if (clk_set_freq(sc->clk_pclk, ref_clk_freq, 0)) device_printf(sc->dev, "could not set ref clk to %d\n", ref_clk_freq); CGEM_LOCK(sc); @@ -1744,19 +1746,47 @@ cgem_attach(device_t dev) sc->neednullqs = 1; if ((hwquirks & HWQUIRK_RXHANGWAR) != 0) sc->rxhangwar = 1; - if ((hwquirks & HWQUIRK_TXCLK) != 0) { - if (clk_get_by_ofw_name(dev, 0, "tx_clk", &sc->ref_clk) != 0) - device_printf(dev, - "could not retrieve reference clock.\n"); - else if (clk_enable(sc->ref_clk) != 0) - device_printf(dev, "could not enable clock.\n"); + /* + * Both pclk and hclk are mandatory but we don't have a proper + * clock driver for Zynq so don't make it fatal if we can't + * get them. + */ + if (clk_get_by_ofw_name(dev, 0, "pclk", &sc->clk_pclk) != 0) + device_printf(dev, + "could not retrieve pclk.\n"); + else { + if (clk_enable(sc->clk_pclk) != 0) + device_printf(dev, "could not enable pclk.\n"); + } + if (clk_get_by_ofw_name(dev, 0, "hclk", &sc->clk_hclk) != 0) + device_printf(dev, + "could not retrieve hclk.\n"); + else { + if (clk_enable(sc->clk_hclk) != 0) + device_printf(dev, "could not enable hclk.\n"); + } + + /* Optional clocks */ + if (clk_get_by_ofw_name(dev, 0, "tx_clk", &sc->clk_txclk) == 0) { + if (clk_enable(sc->clk_txclk) != 0) { + device_printf(dev, "could not enable tx_clk.\n"); + err = ENXIO; + goto err_pclk; + } + } + if (clk_get_by_ofw_name(dev, 0, "rx_clk", &sc->clk_rxclk) == 0) { + if (clk_enable(sc->clk_rxclk) != 0) { + device_printf(dev, "could not enable rx_clk.\n"); + err = ENXIO; + goto err_tx_clk; + } } - if ((hwquirks & HWQUIRK_PCLK) != 0) { - if (clk_get_by_ofw_name(dev, 0, "pclk", &sc->ref_clk) != 0) - device_printf(dev, - "could not retrieve reference clock.\n"); - else if (clk_enable(sc->ref_clk) != 0) - device_printf(dev, "could not enable clock.\n"); + if (clk_get_by_ofw_name(dev, 0, "tsu_clk", &sc->clk_tsuclk) == 0) { + if (clk_enable(sc->clk_tsuclk) != 0) { + device_printf(dev, "could not enable tsu_clk.\n"); + err = ENXIO; + goto err_rx_clk; + } } node = ofw_bus_get_node(dev); @@ -1768,7 +1798,8 @@ cgem_attach(device_t dev) RF_ACTIVE); if (sc->mem_res == NULL) { device_printf(dev, "could not allocate memory resources.\n"); - return (ENOMEM); + err = ENOMEM; + goto err_tsu_clk; } /* Get IRQ resource. */ @@ -1824,7 +1855,7 @@ cgem_attach(device_t dev) if (err) { device_printf(dev, "could not set up dma mem for descs.\n"); cgem_detach(dev); - return (ENOMEM); + goto err; } /* Get a MAC address. */ @@ -1841,12 +1872,29 @@ cgem_attach(device_t dev) device_printf(dev, "could not set interrupt handler.\n"); ether_ifdetach(ifp); cgem_detach(dev); - return (err); + goto err; } cgem_add_sysctls(dev); return (0); + +err_tsu_clk: + if (sc->clk_tsuclk) + clk_release(sc->clk_tsuclk); +err_rx_clk: + if (sc->clk_rxclk) + clk_release(sc->clk_rxclk); +err_tx_clk: + if (sc->clk_txclk) + clk_release(sc->clk_txclk); +err_pclk: + if (sc->clk_pclk) + clk_release(sc->clk_pclk); + if (sc->clk_hclk) + clk_release(sc->clk_hclk); +err: + return (err); } static int @@ -1923,13 +1971,19 @@ cgem_detach(device_t dev) sc->mbuf_dma_tag = NULL; } - if (sc->ref_clk != NULL) { - clk_release(sc->ref_clk); - sc->ref_clk = NULL; - } - bus_generic_detach(dev); + if (sc->clk_tsuclk) + clk_release(sc->clk_tsuclk); + if (sc->clk_rxclk) + clk_release(sc->clk_rxclk); + if (sc->clk_txclk) + clk_release(sc->clk_txclk); + if (sc->clk_pclk) + clk_release(sc->clk_pclk); + if (sc->clk_hclk) + clk_release(sc->clk_hclk); + CGEM_LOCK_DESTROY(sc); return (0);