Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753928AbdGUKvM (ORCPT ); Fri, 21 Jul 2017 06:51:12 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:52906 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753489AbdGUKtx (ORCPT ); Fri, 21 Jul 2017 06:49:53 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 92B2C60FF2 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=akdwived@codeaurora.org From: Avaneesh Kumar Dwivedi To: bjorn.andersson@linaro.org Cc: sboyd@codeaurora.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, Avaneesh Kumar Dwivedi Subject: [PATCH v7 2/4] remoteproc: qcom: refactor mss fw image loading sequence Date: Fri, 21 Jul 2017 16:19:31 +0530 Message-Id: <1500634173-24416-3-git-send-email-akdwived@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1500634173-24416-1-git-send-email-akdwived@codeaurora.org> References: <1500634173-24416-1-git-send-email-akdwived@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2045 Lines: 58 This patch refactor code to first load all firmware blobs and then update modem proc to authenticate and boot fw. Signed-off-by: Avaneesh Kumar Dwivedi --- drivers/remoteproc/qcom_q6v5_pil.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5_pil.c b/drivers/remoteproc/qcom_q6v5_pil.c index 8fd697a..f5f8850 100644 --- a/drivers/remoteproc/qcom_q6v5_pil.c +++ b/drivers/remoteproc/qcom_q6v5_pil.c @@ -503,7 +503,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc) bool relocate = false; char seg_name[10]; ssize_t offset; - size_t size; + size_t size = 0; void *ptr; int ret; int i; @@ -541,7 +541,7 @@ static int q6v5_mpss_load(struct q6v5 *qproc) } mpss_reloc = relocate ? min_addr : qproc->mpss_phys; - + /* Load firmware segments */ for (i = 0; i < ehdr->e_phnum; i++) { phdr = &phdrs[i]; @@ -574,18 +574,15 @@ static int q6v5_mpss_load(struct q6v5 *qproc) memset(ptr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz); } - - size = readl(qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); - if (!size) { - boot_addr = relocate ? qproc->mpss_phys : min_addr; - writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG); - writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG); - } - size += phdr->p_memsz; - writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); } + /* Transfer ownership of modem ddr region with q6*/ + boot_addr = relocate ? qproc->mpss_phys : min_addr; + writel(boot_addr, qproc->rmb_base + RMB_PMI_CODE_START_REG); + writel(RMB_CMD_LOAD_READY, qproc->rmb_base + RMB_MBA_COMMAND_REG); + writel(size, qproc->rmb_base + RMB_PMI_CODE_LENGTH_REG); + ret = q6v5_rmb_mba_wait(qproc, RMB_MBA_AUTH_COMPLETE, 10000); if (ret == -ETIMEDOUT) dev_err(qproc->dev, "MPSS authentication timed out\n"); -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.