From patchwork Wed Jun 21 17:50:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Minnekhanov X-Patchwork-Id: 13287839 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D7249C3DA41 for ; Wed, 21 Jun 2023 18:02:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231550AbjFUSCh (ORCPT ); Wed, 21 Jun 2023 14:02:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34996 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231179AbjFUSCf (ORCPT ); Wed, 21 Jun 2023 14:02:35 -0400 Received: from proxmox1.postmarketos.org (proxmox1.postmarketos.org [213.239.216.189]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 444261981; Wed, 21 Jun 2023 11:02:29 -0700 (PDT) Received: from lexxgentoo.devos.club (unknown [77.239.252.99]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by proxmox1.postmarketos.org (Postfix) with ESMTPSA id BDFB11408B0; Wed, 21 Jun 2023 17:52:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=postmarketos.org; s=donut; t=1687369948; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ycwnc1CefgiqLrlbcmIQiF4/rkNGiReXStw8FUuFvLA=; b=k27OBlhmdxbqZzrDeeHji5at9hsQtlul4H76PvRlGRl7jJXk5pEdL94IUOqiecGMT77ols sIAd7cc3q136reU6RgzuYo+rQYkx/5CALISfY/TAiAwymffRtQjhYe7ML8mdWCuyK8ZYLs 3Ao2tMEXlHxHCHBMDTq+3CKqQGPeXkY= From: Alexey Minnekhanov To: Andy Gross , Bjorn Andersson , Konrad Dybcio , Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Alexey Minnekhanov , Konrad Dybcio Subject: [PATCH v2 2/3] remoteproc: qcom: q6v5-mss: Add support for SDM630/636/660 Date: Wed, 21 Jun 2023 20:50:45 +0300 Message-Id: <20230621175046.61521-2-alexeymin@postmarketos.org> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230621175046.61521-1-alexeymin@postmarketos.org> References: <20230621175046.61521-1-alexeymin@postmarketos.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Snapdragon 630/660 modem subsystem is similar to one in MSM8998 and can almost reuse it's reset sequence. Downstream sources call this q6v5 version "qdsp6v62-1-5" and its code path has additional checks for QDSP6v55_BHS_EN_REST_ACK status [2]. Inspiration is taken from Konrad Dybcio's work in [1], but reworked to use common code path with MSM8996/8998, instead of completely separate "if" block for SDM660. [1] https://github.com/SoMainline/linux/commit/7dd6dd9b936dc8d6c1f1abe299e5b065c33741e8 [2] https://github.com/MiCode/Xiaomi_Kernel_OpenSource/blob/lavender-q-oss/drivers/soc/qcom/pil-q6v5.c#L393 Co-developed-by: Konrad Dybcio Signed-off-by: Konrad Dybcio Signed-off-by: Alexey Minnekhanov Reviewed-by: Konrad Dybcio --- V2: use readl_relaxed_poll_timeout instead of hand-coded for loop. In his commit Konrad mentions that modem was unstable, but I don't observe such behaviour on my device. Modem does not restart by itself, and I could successfully enable ath10k wcn3990 Wi-Fi with this. Also worth saying that in my initial tests just using qcom,msm8998-mss-pil as-is, without separate resource struct and separate code paths for SDM660, was also working fine. --- drivers/remoteproc/qcom_q6v5_mss.c | 51 ++++++++++++++++++++++++++++-- 1 file changed, 49 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c index 8e15e4f85de1..dcbecae675e2 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -71,6 +71,7 @@ #define QDSP6SS_MEM_PWR_CTL 0x0B0 #define QDSP6V6SS_MEM_PWR_CTL 0x034 #define QDSP6SS_STRAP_ACC 0x110 +#define QDSP6V62SS_BHS_STATUS 0x0C4 /* AXI Halt Register Offsets */ #define AXI_HALTREQ_REG 0x0 @@ -123,6 +124,7 @@ #define QDSP6v56_CLAMP_QMC_MEM BIT(22) #define QDSP6SS_XO_CBCR 0x0038 #define QDSP6SS_ACC_OVERRIDE_VAL 0x20 +#define QDSP6v55_BHS_EN_REST_ACK BIT(0) /* QDSP6v65 parameters */ #define QDSP6SS_CORE_CBCR 0x20 @@ -130,6 +132,7 @@ #define QDSP6SS_BOOT_CORE_START 0x400 #define QDSP6SS_BOOT_CMD 0x404 #define BOOT_FSM_TIMEOUT 10000 +#define BHS_CHECK_MAX_LOOPS 200 struct reg_info { struct regulator *reg; @@ -250,6 +253,7 @@ enum { MSS_MSM8998, MSS_SC7180, MSS_SC7280, + MSS_SDM660, MSS_SDM845, }; @@ -700,7 +704,8 @@ static int q6v5proc_reset(struct q6v5 *qproc) } else if (qproc->version == MSS_MSM8909 || qproc->version == MSS_MSM8953 || qproc->version == MSS_MSM8996 || - qproc->version == MSS_MSM8998) { + qproc->version == MSS_MSM8998 || + qproc->version == MSS_SDM660) { if (qproc->version != MSS_MSM8909 && qproc->version != MSS_MSM8953) @@ -734,6 +739,16 @@ static int q6v5proc_reset(struct q6v5 *qproc) val |= readl(qproc->reg_base + QDSP6SS_PWR_CTL_REG); udelay(1); + if (qproc->version == MSS_SDM660) { + ret = readl_relaxed_poll_timeout(qproc->reg_base + QDSP6V62SS_BHS_STATUS, + i, (i & QDSP6v55_BHS_EN_REST_ACK), + 1, BHS_CHECK_MAX_LOOPS); + if (ret == -ETIMEDOUT) { + dev_err(qproc->dev, "BHS_EN_REST_ACK not set!\n"); + return -ETIMEDOUT; + } + } + /* Put LDO in bypass mode */ val |= QDSP6v56_LDO_BYP; writel(val, qproc->reg_base + QDSP6SS_PWR_CTL_REG); @@ -756,7 +771,7 @@ static int q6v5proc_reset(struct q6v5 *qproc) mem_pwr_ctl = QDSP6SS_MEM_PWR_CTL; i = 19; } else { - /* MSS_MSM8998 */ + /* MSS_MSM8998, MSS_SDM660 */ mem_pwr_ctl = QDSP6V6SS_MEM_PWR_CTL; i = 28; } @@ -2193,6 +2208,37 @@ static const struct rproc_hexagon_res sc7280_mss = { .version = MSS_SC7280, }; +static const struct rproc_hexagon_res sdm660_mss = { + .hexagon_mba_image = "mba.mbn", + .proxy_clk_names = (char*[]){ + "xo", + "qdss", + "mem", + NULL + }, + .active_clk_names = (char*[]){ + "iface", + "bus", + "gpll0_mss", + "mnoc_axi", + "snoc_axi", + NULL + }, + .proxy_pd_names = (char*[]){ + "cx", + "mx", + NULL + }, + .need_mem_protection = true, + .has_alt_reset = false, + .has_mba_logs = false, + .has_spare_reg = false, + .has_qaccept_regs = false, + .has_ext_cntl_regs = false, + .has_vq6 = false, + .version = MSS_SDM660, +}; + static const struct rproc_hexagon_res sdm845_mss = { .hexagon_mba_image = "mba.mbn", .proxy_clk_names = (char*[]){ @@ -2475,6 +2521,7 @@ static const struct of_device_id q6v5_of_match[] = { { .compatible = "qcom,msm8998-mss-pil", .data = &msm8998_mss}, { .compatible = "qcom,sc7180-mss-pil", .data = &sc7180_mss}, { .compatible = "qcom,sc7280-mss-pil", .data = &sc7280_mss}, + { .compatible = "qcom,sdm660-mss-pil", .data = &sdm660_mss}, { .compatible = "qcom,sdm845-mss-pil", .data = &sdm845_mss}, { }, };