From patchwork Wed Nov 30 10:29:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neil Armstrong X-Patchwork-Id: 13059687 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 E7CFAC4708C for ; Wed, 30 Nov 2022 10:30:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236079AbiK3KaS (ORCPT ); Wed, 30 Nov 2022 05:30:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235824AbiK3K34 (ORCPT ); Wed, 30 Nov 2022 05:29:56 -0500 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1452A3FBAF for ; Wed, 30 Nov 2022 02:29:53 -0800 (PST) Received: by mail-wm1-x32b.google.com with SMTP id m7-20020a05600c090700b003cf8a105d9eso1033732wmp.5 for ; Wed, 30 Nov 2022 02:29:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Ki/VVnDlL+U9t3meGshSmXYJAvv54FtfX28ZlG2oSI0=; b=XUiR3oyX5qybgh2JXg2kRmIFchG4vbo8qeDrD51TO05JOy5O+XTsPFNRZmFz0AjHzm hPtr+12NrSLd0NPH+QntRYFEa1eGKfCqEv2GzRhYohiX/crLHTTa6oW4cHkMhzqFx0U4 IKwT/5TVbwpOec7XpmD5iw/T8SIBAO6khbyhzFex359DlFnC7mKhtLqdq443MA3+Pv7C Lvx8LGgV2taDrZa4++CuStSq5Xarbv+XZ5fEy7atG0JENztUhfUnVPWWCV2bMJ2kB8/0 6rLMyXEulM1R5+ArXQjUgZV/lC1a0ur+2bO/I2MQJCc5bhJBwGRlmser2hT5d5kP6wsL MlLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Ki/VVnDlL+U9t3meGshSmXYJAvv54FtfX28ZlG2oSI0=; b=eepDWgEAhVnZ4iXY1cquN3ldCX5vqchMMz/uaIHfrhRgrF19sqNQyZTXYMP7yPOMKK quGgZM0Q8XENBRk8YrDByKmHtCgeSJO51L9wM0yswc049mJnl/2Or+MeMdjff/F5WSpX poh+MRsXVyHfJz0RalsuNQdBrqxgLPGLGsN1URxYKC8RxyBtcEI+Suq39aaWShN941Tq 9IHtzabBUbqoROjTijgeYH9LnYYiPxDJM6qi69QXbcnoZfFMBkpnvWhhtJPljsMLGuXU vr05CqfU5RJZBEsAhOA6WrdmhpX4WSmtWTMYvOlTXp7hnWAhfE5Eby1mNZzq9gd68XSo F5yQ== X-Gm-Message-State: ANoB5plH2qvz30AwDT/rzK90jkdvfHCpKMNQBOFIyLv3BZjFD4WAt2HO pCi8addT1dKgkgw2j5/GCAgrQQ== X-Google-Smtp-Source: AA0mqf5gINEpfkTKS61dQlYZJHl21Rsl/i774hzJ9eA3ypFDyhWS7V2a7l630jk3TRjTfVWfkHUUVg== X-Received: by 2002:a1c:790d:0:b0:3cf:935a:aaab with SMTP id l13-20020a1c790d000000b003cf935aaaabmr37712282wme.159.1669804191619; Wed, 30 Nov 2022 02:29:51 -0800 (PST) Received: from arrakeen.starnux.net ([2a01:e0a:982:cbb0:52eb:f6ff:feb3:451a]) by smtp.gmail.com with ESMTPSA id j33-20020a05600c1c2100b003b4ff30e566sm4313570wms.3.2022.11.30.02.29.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Nov 2022 02:29:51 -0800 (PST) From: Neil Armstrong Date: Wed, 30 Nov 2022 11:29:48 +0100 Subject: [PATCH v2 4/5] remoteproc: qcom_q6v5_pas: add support for assigning memory to firmware MIME-Version: 1.0 Message-Id: <20221114-narmstrong-sm8550-upstream-remoteproc-v2-4-12bc22255474@linaro.org> References: <20221114-narmstrong-sm8550-upstream-remoteproc-v2-0-12bc22255474@linaro.org> In-Reply-To: <20221114-narmstrong-sm8550-upstream-remoteproc-v2-0-12bc22255474@linaro.org> To: Rob Herring , Bjorn Andersson , Krzysztof Kozlowski , Konrad Dybcio , Amol Maheshwari , Srinivas Kandagatla , Manivannan Sadhasivam , Mathieu Poirier , Andy Gross Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Neil Armstrong , Abel Vesa , linux-remoteproc@vger.kernel.org X-Mailer: b4 0.10.1 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Starting with SM8550, the DSM memory must now be shared to the firmware by the APPS process instead of beeing defined in the carveout memory reserved for MPSS. In order to handle that, add a region_assign_idx in adsp_data to specify with index of memory-region must be assigned to the MPSS via the qcom_scm_assign_mem() call at probe time. Signed-off-by: Neil Armstrong --- drivers/remoteproc/qcom_q6v5_pas.c | 71 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index 4fe09c7f25bd..d6a288432b6c 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -49,6 +49,8 @@ struct adsp_data { const char *ssr_name; const char *sysmon_name; int ssctl_id; + + int region_assign_idx; }; struct qcom_adsp { @@ -86,10 +88,15 @@ struct qcom_adsp { phys_addr_t dtb_mem_phys; phys_addr_t mem_reloc; phys_addr_t dtb_mem_reloc; + phys_addr_t region_assign_phys; void *mem_region; void *dtb_mem_region; size_t mem_size; size_t dtb_mem_size; + size_t region_assign_size; + + int region_assign_idx; + int region_assign_perms; struct qcom_rproc_glink glink_subdev; struct qcom_rproc_subdev smd_subdev; @@ -560,6 +567,64 @@ static int adsp_alloc_memory_region(struct qcom_adsp *adsp) return 0; } +static int adsp_assign_memory_region(struct qcom_adsp *adsp) +{ + struct qcom_scm_vmperm perm; + struct device_node *node; + struct resource r; + int ret; + + if (!adsp->region_assign_idx) + return 0; + + node = of_parse_phandle(adsp->dev->of_node, "memory-region", adsp->region_assign_idx); + if (!node) { + dev_err(adsp->dev, "missing shareable memory-region\n"); + return -EINVAL; + } + + ret = of_address_to_resource(node, 0, &r); + if (ret) + return ret; + + perm.vmid = QCOM_SCM_VMID_MSS_MSA; + perm.perm = QCOM_SCM_PERM_RW; + + adsp->region_assign_phys = r.start; + adsp->region_assign_size = resource_size(&r); + adsp->region_assign_perms = BIT(QCOM_SCM_VMID_HLOS); + + ret = qcom_scm_assign_mem(adsp->region_assign_phys, + adsp->region_assign_size, + &adsp->region_assign_perms, + &perm, 1); + if (ret < 0) { + dev_err(adsp->dev, "assign memory failed\n"); + return ret; + } + + return 0; +} + +static void adsp_unassign_memory_region(struct qcom_adsp *adsp) +{ + struct qcom_scm_vmperm perm; + int ret; + + if (!adsp->region_assign_idx) + return; + + perm.vmid = QCOM_SCM_VMID_HLOS; + perm.perm = QCOM_SCM_PERM_RW; + + ret = qcom_scm_assign_mem(adsp->region_assign_phys, + adsp->region_assign_size, + &adsp->region_assign_perms, + &perm, 1); + if (ret < 0) + dev_err(adsp->dev, "unassign memory failed\n"); +} + static int adsp_probe(struct platform_device *pdev) { const struct adsp_data *desc; @@ -611,6 +676,7 @@ static int adsp_probe(struct platform_device *pdev) adsp->has_aggre2_clk = desc->has_aggre2_clk; adsp->info_name = desc->sysmon_name; adsp->decrypt_shutdown = desc->decrypt_shutdown; + adsp->region_assign_idx = desc->region_assign_idx; if (dtb_fw_name) { adsp->dtb_firmware_name = dtb_fw_name; adsp->dtb_pas_id = desc->dtb_pas_id; @@ -625,6 +691,10 @@ static int adsp_probe(struct platform_device *pdev) if (ret) goto free_rproc; + ret = adsp_assign_memory_region(adsp); + if (ret) + goto free_rproc; + ret = adsp_init_clock(adsp); if (ret) goto free_rproc; @@ -676,6 +746,7 @@ static int adsp_remove(struct platform_device *pdev) rproc_del(adsp->rproc); qcom_q6v5_deinit(&adsp->q6v5); + adsp_unassign_memory_region(adsp); qcom_remove_glink_subdev(adsp->rproc, &adsp->glink_subdev); qcom_remove_sysmon_subdev(adsp->sysmon); qcom_remove_smd_subdev(adsp->rproc, &adsp->smd_subdev);