From nobody Fri Aug 1 12:37:08 2025 X-Original-To: dev-commits-src-main@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 4btlnw3c4sz63rBr; Fri, 01 Aug 2025 12:37:08 +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 "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4btlnw2q4Cz3PlW; Fri, 01 Aug 2025 12:37:08 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754051828; 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=LrmVgKkns9MR4vXlISyS2PPs6+a5ZtBmQwVBozTFxZY=; b=MAMCXSPBLQpDGoyJDBKuq7GnW6jf4WICY3S3b8ibNM5tFjWg1k55KBamIh1z1+7uqgHMja CKJj73qQAsCb9eE2hb0td9+8CuhE3bkN5NezP6XGC8lOxW4JBzisUP4tFonLQMfPFjhzwV ISnniERnEifk2aiyVqBFmuqgeDdZEAPBsVXMALO6seUX1dJ12XRUM+3EgxprPB9CGnoqsf 01vBSWfbYL+ESSl6vUbTA1Y7JMeAPBSHnQoqhY+Mv72NlEPtuY8eDKs/7LHkKMHUDozN90 XV9uNj8iNc1t2MF/R6XhVgV23Tdna79T+mZ2gqnT8v+IhmBLN/PTw8GcX6F+VQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1754051828; 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=LrmVgKkns9MR4vXlISyS2PPs6+a5ZtBmQwVBozTFxZY=; b=xhPMJ1iDD0SfXmG05L+qApPjB2BsttjoBlNbXykAU6u2PLSSOgYMXRwWUBt8DyJaRHLQP3 GOTvh/gxys+4NJPFcohr0T+zWd0Z3Uq6NPE7+CDfbMhYjiuHK8c4/TXteovpOn7nhY4yxe Ng/OF7bDwTahyGPnBJUDg68/Mhmx0Is7AYLG88p2LZoyKJiOVPTZkPsLAQ7oL6PG690SWA 0v5RGPB2llzcMdpOHnGrO1js1M/t8KstgUOgKgtUhBCJXI8oMUPeOxDcAj0QZ+d8wmS6EO g/80S2YQ2TrlHRMcVHsuAAE/tS5la+IuGyFTI7HhLZMF++y+4GdSjvuDeEJ9/A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1754051828; a=rsa-sha256; cv=none; b=bPEKnw4Xn1RF0JgdpB3kzb+c4ZjSZ0V8ev/DVI0Bvbeou7Ek+d4DMIwrKXIWDdBtVHjDaX hu+hQY1UzWlv+bTC1DJGIImZY9fdD0ZiSe34APGyadC9nqPZHDz2Fs+57oBNI4Giyg2Y0j U27bjnu1OacyV4SL3f9qkOOAKa58wmBNXIH7fLGGOi6jSunf2sCP6izEv5oCkbra9AkrDO FwzjNsYaRyjbwMfqyzumEfX90S7SxTvhGO9KQFBQxrm86lzMY9YJ30TsTJdk3SsNa0c/lO 8Cw9gtcIlDCWorKUZdpglp5BFqWIX9Td8gRNM31lyNBO2STyJF/3RbnfD1EHOg== 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 4btlnw264Lzp9W; Fri, 01 Aug 2025 12:37:08 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 571Cb89o051925; Fri, 1 Aug 2025 12:37:08 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 571Cb8sH051922; Fri, 1 Aug 2025 12:37:08 GMT (envelope-from git) Date: Fri, 1 Aug 2025 12:37:08 GMT Message-Id: <202508011237.571Cb8sH051922@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Bojan =?utf-8?Q?Novkovi=C4=87?= Subject: git: 89e650eacc9b - main - sdhci: Add driver for the cvitek sdhci controller List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: bnovkov X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 89e650eacc9bb3960b38d704abae06694fad08e6 Auto-Submitted: auto-generated The branch main has been updated by bnovkov: URL: https://cgit.FreeBSD.org/src/commit/?id=89e650eacc9bb3960b38d704abae06694fad08e6 commit 89e650eacc9bb3960b38d704abae06694fad08e6 Author: Bojan Novković AuthorDate: 2025-01-18 19:03:25 +0000 Commit: Bojan Novković CommitDate: 2025-08-01 12:35:54 +0000 sdhci: Add driver for the cvitek sdhci controller This patch add support for cvitek SDHCI controller (only SD card mode). This controller is present on Milk-V's riscv SoCs. Reviewed by: manu Differential Revision: https://reviews.freebsd.org/D48528 --- sys/dev/sdhci/sdhci_fdt_cvitek.c | 144 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) diff --git a/sys/dev/sdhci/sdhci_fdt_cvitek.c b/sys/dev/sdhci/sdhci_fdt_cvitek.c new file mode 100644 index 000000000000..e13e10df0dc2 --- /dev/null +++ b/sys/dev/sdhci/sdhci_fdt_cvitek.c @@ -0,0 +1,144 @@ +/*- + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2025 Bojan Novković + * + * 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 +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include + +#include +#include +#include + +#include "syscon_if.h" +#include "mmcbr_if.h" +#include "sdhci_if.h" + +#include "opt_mmccam.h" +#include "opt_soc.h" + +#define CV181X_SYSCTRL_SD_PWRSW_CTRL 0x1F4 +#define SD_PWRSW_CTRL_RESET_MASK 0x9 +#define CVI_CV181X_SDHCI_VENDOR_OFFSET 0x200 +#define CVI_CV181X_SDHCI_EMMC_CTRL (CVI_CV181X_SDHCI_VENDOR_OFFSET + 0x0) +#define EMMC_CTRL_RESET_MASK 0x302 +#define CVI_CV181X_SDHCI_PHY_TX_RX_DLY (CVI_CV181X_SDHCI_VENDOR_OFFSET + 0x40) +#define PHY_TX_RX_DLY_RESET_MASK 0x1000100 +#define CVI_CV181X_SDHCI_PHY_CONFIG (CVI_CV181X_SDHCI_VENDOR_OFFSET + 0x4C) +#define PHY_CONFIG_RESET_MASK 0x1 + +#define SDHCI_FDT_CVITEK_CV181X_SD 1 + +static struct ofw_compat_data compat_data[] = { + { "cvitek,cv181x-sd", SDHCI_FDT_CVITEK_CV181X_SD }, + { NULL, 0 } +}; + +static int +sdhci_fdt_cvitek_probe(device_t dev) +{ + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0) + return (ENXIO); + + device_set_desc(dev, "Cvitek CV181x SDHCI controller"); + return (BUS_PROBE_SPECIFIC); +} + +static int +sdhci_fdt_cvitek_attach(device_t dev) +{ + int error; + uint32_t reg; + phandle_t node; + struct resource *res; + struct syscon *syscon; + struct sdhci_fdt_softc *sc = device_get_softc(dev); + + if (sdhci_fdt_attach(dev)) + return (ENXIO); + + res = sc->mem_res[0]; + node = ofw_bus_find_compatible(OF_finddevice("/"), "syscon"); + error = syscon_get_by_ofw_node(dev, node, &syscon); + if (error != 0) { + device_printf(dev, "Couldn't get syscon handle\n"); + return (error); + } + + SYSCON_WRITE_4(syscon, CV181X_SYSCTRL_SD_PWRSW_CTRL, + SD_PWRSW_CTRL_RESET_MASK); + DELAY(1000); + + reg = bus_read_4(res, CVI_CV181X_SDHCI_EMMC_CTRL); + reg |= EMMC_CTRL_RESET_MASK; + bus_write_4(res, CVI_CV181X_SDHCI_EMMC_CTRL, reg); + bus_write_4(res, CVI_CV181X_SDHCI_PHY_TX_RX_DLY, + PHY_TX_RX_DLY_RESET_MASK); + bus_write_4(res, CVI_CV181X_SDHCI_PHY_CONFIG, + PHY_CONFIG_RESET_MASK); + + return (0); +} + +static device_method_t sdhci_fdt_cvitek_methods[] = { + /* device_if */ + DEVMETHOD(device_probe, sdhci_fdt_cvitek_probe), + DEVMETHOD(device_attach, sdhci_fdt_cvitek_attach), + + DEVMETHOD_END +}; +extern driver_t sdhci_fdt_driver; + +DEFINE_CLASS_1(sdhci_cvitek, sdhci_fdt_cvitek_driver, sdhci_fdt_cvitek_methods, + sizeof(struct sdhci_fdt_softc), sdhci_fdt_driver); +DRIVER_MODULE(sdhci_cvitek, simplebus, sdhci_fdt_cvitek_driver, NULL, NULL); + +#ifndef MMCCAM +MMC_DECLARE_BRIDGE(sdhci_fdt_cvitek); +#endif