From patchwork Fri May 21 00:04:04 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keguang Zhang X-Patchwork-Id: 12271611 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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 44409C433B4 for ; Fri, 21 May 2021 00:05:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 161DD6138C for ; Fri, 21 May 2021 00:05:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234883AbhEUAGZ (ORCPT ); Thu, 20 May 2021 20:06:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234849AbhEUAGV (ORCPT ); Thu, 20 May 2021 20:06:21 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A20BC061574; Thu, 20 May 2021 17:04:59 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id v12so10012090plo.10; Thu, 20 May 2021 17:04:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=v7TpLTV4vsoKBG/fnm3hLhrh2W548ux1D/aVpANdFpI=; b=VSMD7tvcClM7J6cKEVOkwIGTqAYrGVuQIY9FFniKguEN1z50nLg66po6lose8+fu6o DA7InAEuNj/1pQ5fFVqzSz5F8R777azAXHNGONbArjQeJEJaifrPrziAG7hxbxNHCjV3 yXIBe+8cY5TZ7hWMlyhx6XCeaBzs+Ie6tkBdbCPnZBEEhbzJCxZKBfSRT8yb71LRvkji 9NdeTYcY9eqpHn9UpDdwcpSz5wM9lFnwfqS8MSvLFwqcUmKUw0iFF9sQVpnXCIk79lm/ xaRkpy9/enYBac1ngY6D1OqpHlArNQa5MonyrVfzyfPXYCxp2JJ1BU8rCXxp516vNOzg beiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=v7TpLTV4vsoKBG/fnm3hLhrh2W548ux1D/aVpANdFpI=; b=p3R04BCWzp6HW+B9gVx8qxSXPpnfetVEgAlxOlfAmo8ZGuCt2Hx5XfH3Y7FJdQVYjK chNpE42v+C3d+mUWnUcf3/FdNNyWB/JTfNO9TFuauJg1Cbejv8F4Q0dBI8zfKyPFvzHD 4Q7UnyJ8r7BipxYfCHfF9pfNv1drD3XaJQgB4oN7HdGctCWrdqoCUpS1kqIJDghMjxEX vefHhfTFy832gwh+G/sLmEoR1uT8NoA16esu6DnlRRMbc0z3mVMESpRmAAxJ/9WH+KyL FT62+q2AxMupzAdW1ml+INJX0yRnIGV94Q4rn01Km3DqRZrbZvcQxPGoYOC/hVPs6Rck IGYA== X-Gm-Message-State: AOAM531A6Hx1oPVr9OTTdL/817HCbjzH1jJhPLo8lIcjlXhys9Fp3Syh AlTjQjaIKd+PNUAnRU9QwWhXMPH1p5ARig== X-Google-Smtp-Source: ABdhPJyF9EiFy+ptQeujBjFfQDYOBewrafLc42wM7cIG4TeZRY2vcCNUoODbZ+2RnJPL3VevwTa7Rg== X-Received: by 2002:a17:902:dac9:b029:f2:bda7:a4b8 with SMTP id q9-20020a170902dac9b02900f2bda7a4b8mr8639734plx.15.1621555498350; Thu, 20 May 2021 17:04:58 -0700 (PDT) Received: from kelvin-System-Product-Name.lan ([117.173.227.56]) by smtp.gmail.com with ESMTPSA id t22sm2736016pfl.50.2021.05.20.17.04.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 20 May 2021 17:04:57 -0700 (PDT) From: Keguang Zhang To: linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Thomas Bogendoerfer , Kelvin Cheung Subject: [PATCH 2/3] MIPS: Loongson1B: Add Loongson1 dmaengine device Date: Fri, 21 May 2021 08:04:04 +0800 Message-Id: <20210521000405.4387-3-keguang.zhang@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210521000405.4387-1-keguang.zhang@gmail.com> References: <20210521000405.4387-1-keguang.zhang@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org From: Kelvin Cheung This patch adds DMA Engine device its platform data for Loongson1B. Signed-off-by: Kelvin Cheung --- .../include/asm/mach-loongson32/platform.h | 2 ++ arch/mips/loongson32/common/platform.c | 36 +++++++++++++++++++ arch/mips/loongson32/ls1b/board.c | 15 +++++++- 3 files changed, 52 insertions(+), 1 deletion(-) diff --git a/arch/mips/include/asm/mach-loongson32/platform.h b/arch/mips/include/asm/mach-loongson32/platform.h index eb83e2741887..d4d2a9baacdb 100644 --- a/arch/mips/include/asm/mach-loongson32/platform.h +++ b/arch/mips/include/asm/mach-loongson32/platform.h @@ -13,6 +13,7 @@ extern struct platform_device ls1x_uart_pdev; extern struct platform_device ls1x_cpufreq_pdev; +extern struct platform_device ls1x_dma_pdev; extern struct platform_device ls1x_eth0_pdev; extern struct platform_device ls1x_eth1_pdev; extern struct platform_device ls1x_ehci_pdev; @@ -22,6 +23,7 @@ extern struct platform_device ls1x_rtc_pdev; extern struct platform_device ls1x_wdt_pdev; void __init ls1x_clk_init(void); +void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata); void __init ls1x_rtc_set_extclk(struct platform_device *pdev); void __init ls1x_serial_set_uartclk(struct platform_device *pdev); diff --git a/arch/mips/loongson32/common/platform.c b/arch/mips/loongson32/common/platform.c index 794c96c2a4cd..2092a7ff32e0 100644 --- a/arch/mips/loongson32/common/platform.c +++ b/arch/mips/loongson32/common/platform.c @@ -77,6 +77,42 @@ struct platform_device ls1x_cpufreq_pdev = { }, }; +/* DMA */ +static struct resource ls1x_dma_resources[] = { + [0] = { + .start = LS1X_DMAC_BASE, + .end = LS1X_DMAC_BASE + SZ_4 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = LS1X_DMA0_IRQ, + .end = LS1X_DMA0_IRQ, + .flags = IORESOURCE_IRQ, + }, + [2] = { + .start = LS1X_DMA1_IRQ, + .end = LS1X_DMA1_IRQ, + .flags = IORESOURCE_IRQ, + }, + [3] = { + .start = LS1X_DMA2_IRQ, + .end = LS1X_DMA2_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device ls1x_dma_pdev = { + .name = "ls1x-dma", + .id = -1, + .num_resources = ARRAY_SIZE(ls1x_dma_resources), + .resource = ls1x_dma_resources, +}; + +void __init ls1x_dma_set_platdata(struct plat_ls1x_dma *pdata) +{ + ls1x_dma_pdev.dev.platform_data = pdata; +} + /* Synopsys Ethernet GMAC */ static struct stmmac_mdio_bus_data ls1x_mdio_bus_data = { .phy_mask = 0, diff --git a/arch/mips/loongson32/ls1b/board.c b/arch/mips/loongson32/ls1b/board.c index 727e06718dab..2be4d8544444 100644 --- a/arch/mips/loongson32/ls1b/board.c +++ b/arch/mips/loongson32/ls1b/board.c @@ -12,6 +12,17 @@ #include #include +static const struct dma_slave_map ls1x_dma_slave_map[] = { + { "ls1x-nand", "dmachan0", (void *)LS1X_DMA_CHANNEL0 }, + { "ls1x-ac97", "dmachan1", (void *)LS1X_DMA_CHANNEL1 }, + { "ls1x-ac97", "dmachan2", (void *)LS1X_DMA_CHANNEL2 }, +}; + +struct plat_ls1x_dma ls1x_dma_pdata = { + .slave_map = ls1x_dma_slave_map, + .slavecnt = ARRAY_SIZE(ls1x_dma_slave_map), +}; + static const struct gpio_led ls1x_gpio_leds[] __initconst = { { .name = "LED9", @@ -36,6 +47,7 @@ static const struct gpio_led_platform_data ls1x_led_pdata __initconst = { static struct platform_device *ls1b_platform_devices[] __initdata = { &ls1x_uart_pdev, &ls1x_cpufreq_pdev, + &ls1x_dma_pdev, &ls1x_eth0_pdev, &ls1x_eth1_pdev, &ls1x_ehci_pdev, @@ -48,11 +60,12 @@ static struct platform_device *ls1b_platform_devices[] __initdata = { static int __init ls1b_platform_init(void) { ls1x_serial_set_uartclk(&ls1x_uart_pdev); + ls1x_dma_set_platdata(&ls1x_dma_pdata); gpio_led_register_device(-1, &ls1x_led_pdata); return platform_add_devices(ls1b_platform_devices, - ARRAY_SIZE(ls1b_platform_devices)); + ARRAY_SIZE(ls1b_platform_devices)); } arch_initcall(ls1b_platform_init);