From patchwork Mon Jan 3 07:58:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Allen-KH Cheng X-Patchwork-Id: 12702456 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 544DAC433EF for ; Mon, 3 Jan 2022 07:59:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4rSP0rDGvXJNj8nT3gfrOB0Pm8sbKhjlU/b68piug+M=; b=cb5VJhaMT1dT1B tmYq7pSEGBC8RND5o8/RsAunJSCVhrJAikAv8bUbPPF2aE3RLPh1Hh8kS+ODQVjbsuD/6H8iTBrF8 qdUxNwgW4P7Bn1/OdSwu5Nl37dVi6Gs7No5nuv1tE9agEEJKCXDuT1BG/Yqu2jNs/E/DMGIcFyFT0 7HoTRM/8Tzf5EXz07+XyvWN2ooi8RdfxZcPJzKeOBDjor0TraMDNFpvxHYMZjW4+lo8U6tMtB9lZF JNo2UOt21FOYTiDFQHeAwa62VJvN80lpj6xoWP6dANF4ckXmFr+74EjmemN5x70P63931KA8iqyfK 4OHcK+MULVOO5Hx4KFGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4IFR-008YZK-HI; Mon, 03 Jan 2022 07:59:17 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n4IFO-008YYn-PW; Mon, 03 Jan 2022 07:59:16 +0000 X-UUID: 164798737e1541e0a1fadd1e2c294176-20220103 X-UUID: 164798737e1541e0a1fadd1e2c294176-20220103 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2108476150; Mon, 03 Jan 2022 00:59:12 -0700 Received: from mtkexhb01.mediatek.inc (172.21.101.102) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sun, 2 Jan 2022 23:59:10 -0800 Received: from mtkcas10.mediatek.inc (172.21.101.39) by mtkexhb01.mediatek.inc (172.21.101.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 3 Jan 2022 15:59:08 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas10.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Mon, 3 Jan 2022 15:59:08 +0800 From: allen-kh.cheng To: Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , Rob Herring , Matthias Brugger , Tinghan Shen CC: Mark Brown , , , , , , , allen-kh.cheng Subject: [PATCH 2/2] remoteproc: mediatek: Support mt8186 scp Date: Mon, 3 Jan 2022 15:58:54 +0800 Message-ID: <20220103075854.10438-2-allen-kh.cheng@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20220103075854.10438-1-allen-kh.cheng@mediatek.com> References: <20220103075854.10438-1-allen-kh.cheng@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220102_235914_858155_46A310B1 X-CRM114-Status: GOOD ( 13.29 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Add SCP support for mt8186 Signed-off-by: Allen-KH Cheng --- drivers/remoteproc/mtk_scp.c | 39 ++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 36e48cf58ed6..38eab6b86fd7 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -365,6 +365,31 @@ static int mt8183_scp_before_load(struct mtk_scp *scp) return 0; } +static int mt8186_scp_before_load(struct mtk_scp *scp) +{ + int i; + + /* Clear SCP to host interrupt */ + writel(MT8183_SCP_IPC_INT_BIT, scp->reg_base + MT8183_SCP_TO_HOST); + + /* Reset clocks before loading FW */ + writel(0x0, scp->reg_base + MT8183_SCP_CLK_SW_SEL); + writel(0x0, scp->reg_base + MT8183_SCP_CLK_DIV_SEL); + + /* Turn on the power of SCP's SRAM before using it. Enable 1 block per time*/ + for (i = 31; i >= 0; i--) + writel(GENMASK(i, 0), scp->reg_base + MT8183_SCP_SRAM_PDN); + writel(0, scp->reg_base + MT8183_SCP_SRAM_PDN); + + /* Initialize TCM before loading FW. */ + writel(0x0, scp->reg_base + MT8183_SCP_L1_SRAM_PD); + writel(0x0, scp->reg_base + MT8183_SCP_TCM_TAIL_SRAM_PD); + writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_P1); + writel(0x0, scp->reg_base + MT8186_SCP_L1_SRAM_PD_p2); + + return 0; +} + static void mt8192_power_on_sram(void __iomem *addr) { int i; @@ -887,6 +912,19 @@ static const struct mtk_scp_of_data mt8183_of_data = { .ipi_buf_offset = 0x7bdb0, }; +static const struct mtk_scp_of_data mt8186_of_data = { + .scp_clk_get = mt8195_scp_clk_get, + .scp_before_load = mt8186_scp_before_load, + .scp_irq_handler = mt8183_scp_irq_handler, + .scp_reset_assert = mt8183_scp_reset_assert, + .scp_reset_deassert = mt8183_scp_reset_deassert, + .scp_stop = mt8183_scp_stop, + .scp_da_to_va = mt8183_scp_da_to_va, + .host_to_scp_reg = MT8183_HOST_TO_SCP, + .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, + .ipi_buf_offset = 0x7bdb0, +}; + static const struct mtk_scp_of_data mt8192_of_data = { .scp_clk_get = mt8192_scp_clk_get, .scp_before_load = mt8192_scp_before_load, @@ -913,6 +951,7 @@ static const struct mtk_scp_of_data mt8195_of_data = { static const struct of_device_id mtk_scp_of_match[] = { { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data }, + { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data }, { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data }, { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data }, {},