From patchwork Wed Jul 14 07:01:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dikshita Agarwal X-Patchwork-Id: 12376075 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52BE7C11F67 for ; Wed, 14 Jul 2021 07:01:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3384B613C1 for ; Wed, 14 Jul 2021 07:01:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238189AbhGNHEf (ORCPT ); Wed, 14 Jul 2021 03:04:35 -0400 Received: from alexa-out.qualcomm.com ([129.46.98.28]:57571 "EHLO alexa-out.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238183AbhGNHEe (ORCPT ); Wed, 14 Jul 2021 03:04:34 -0400 Received: from ironmsg09-lv.qualcomm.com ([10.47.202.153]) by alexa-out.qualcomm.com with ESMTP; 14 Jul 2021 00:01:43 -0700 X-QCInternal: smtphost Received: from ironmsg01-blr.qualcomm.com ([10.86.208.130]) by ironmsg09-lv.qualcomm.com with ESMTP/TLS/AES256-SHA; 14 Jul 2021 00:01:41 -0700 X-QCInternal: smtphost Received: from dikshita-linux.qualcomm.com ([10.204.65.237]) by ironmsg01-blr.qualcomm.com with ESMTP; 14 Jul 2021 12:31:21 +0530 Received: by dikshita-linux.qualcomm.com (Postfix, from userid 347544) id 4969121B6F; Wed, 14 Jul 2021 12:31:20 +0530 (IST) From: Dikshita Agarwal To: linux-media@vger.kernel.org, stanimir.varbanov@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, vgarodia@codeaurora.org, Dikshita Agarwal Subject: [PATCH v3 1/7] venus: firmware: enable no tz fw loading for sc7280 Date: Wed, 14 Jul 2021 12:31:02 +0530 Message-Id: <1626246068-21023-2-git-send-email-dikshita@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1626246068-21023-1-git-send-email-dikshita@codeaurora.org> References: <1626246068-21023-1-git-send-email-dikshita@codeaurora.org> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org - Enable no tz FW loading. - add routine to reset XTSS. Signed-off-by: Dikshita Agarwal --- drivers/media/platform/qcom/venus/firmware.c | 42 +++++++++++++++++------- drivers/media/platform/qcom/venus/hfi_venus_io.h | 2 ++ 2 files changed, 33 insertions(+), 11 deletions(-) diff --git a/drivers/media/platform/qcom/venus/firmware.c b/drivers/media/platform/qcom/venus/firmware.c index 227bd3b..14b6f1d 100644 --- a/drivers/media/platform/qcom/venus/firmware.c +++ b/drivers/media/platform/qcom/venus/firmware.c @@ -27,7 +27,12 @@ static void venus_reset_cpu(struct venus_core *core) { u32 fw_size = core->fw.mapped_mem_size; - void __iomem *wrapper_base = core->wrapper_base; + void __iomem *wrapper_base; + + if (IS_V6(core)) + wrapper_base = core->wrapper_tz_base; + else + wrapper_base = core->wrapper_base; writel(0, wrapper_base + WRAPPER_FW_START_ADDR); writel(fw_size, wrapper_base + WRAPPER_FW_END_ADDR); @@ -35,11 +40,17 @@ static void venus_reset_cpu(struct venus_core *core) writel(fw_size, wrapper_base + WRAPPER_CPA_END_ADDR); writel(fw_size, wrapper_base + WRAPPER_NONPIX_START_ADDR); writel(fw_size, wrapper_base + WRAPPER_NONPIX_END_ADDR); - writel(0x0, wrapper_base + WRAPPER_CPU_CGC_DIS); - writel(0x0, wrapper_base + WRAPPER_CPU_CLOCK_CONFIG); - /* Bring ARM9 out of reset */ - writel(0, wrapper_base + WRAPPER_A9SS_SW_RESET); + if (IS_V6(core)) { + /* Bring XTSS out of reset */ + writel(0, wrapper_base + WRAPPER_TZ_XTSS_SW_RESET); + } else { + writel(0x0, wrapper_base + WRAPPER_CPU_CGC_DIS); + writel(0x0, wrapper_base + WRAPPER_CPU_CLOCK_CONFIG); + + /* Bring ARM9 out of reset */ + writel(0, wrapper_base + WRAPPER_A9SS_SW_RESET); + } } int venus_set_hw_state(struct venus_core *core, bool resume) @@ -56,7 +67,9 @@ int venus_set_hw_state(struct venus_core *core, bool resume) if (resume) { venus_reset_cpu(core); } else { - if (!IS_V6(core)) + if (IS_V6(core)) + writel(1, core->wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET); + else writel(1, core->wrapper_base + WRAPPER_A9SS_SW_RESET); } @@ -162,12 +175,19 @@ static int venus_shutdown_no_tz(struct venus_core *core) u32 reg; struct device *dev = core->fw.dev; void __iomem *wrapper_base = core->wrapper_base; + void __iomem *wrapper_tz_base = core->wrapper_tz_base; - /* Assert the reset to ARM9 */ - reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET); - reg |= WRAPPER_A9SS_SW_RESET_BIT; - writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET); - + if (IS_V6(core)) { + /* Assert the reset to XTSS */ + reg = readl_relaxed(wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET); + reg |= WRAPPER_XTSS_SW_RESET_BIT; + writel_relaxed(reg, wrapper_tz_base + WRAPPER_TZ_XTSS_SW_RESET); + } else { + /* Assert the reset to ARM9 */ + reg = readl_relaxed(wrapper_base + WRAPPER_A9SS_SW_RESET); + reg |= WRAPPER_A9SS_SW_RESET_BIT; + writel_relaxed(reg, wrapper_base + WRAPPER_A9SS_SW_RESET); + } /* Make sure reset is asserted before the mapping is removed */ mb(); diff --git a/drivers/media/platform/qcom/venus/hfi_venus_io.h b/drivers/media/platform/qcom/venus/hfi_venus_io.h index 300c6e47..9735a24 100644 --- a/drivers/media/platform/qcom/venus/hfi_venus_io.h +++ b/drivers/media/platform/qcom/venus/hfi_venus_io.h @@ -149,6 +149,8 @@ /* Wrapper TZ 6xx */ #define WRAPPER_TZ_BASE_V6 0x000c0000 #define WRAPPER_TZ_CPU_STATUS_V6 0x10 +#define WRAPPER_TZ_XTSS_SW_RESET 0x1000 +#define WRAPPER_XTSS_SW_RESET_BIT BIT(0) /* Venus AON */ #define AON_BASE_V6 0x000e0000