From patchwork Fri Oct 4 13:19:27 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Machon X-Patchwork-Id: 13822355 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 EF704CFA779 for ; Fri, 4 Oct 2024 13:21:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:CC:To:In-Reply-To:References :Message-ID:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=pr7cd/yFNocCib7/nJ65rvaknQX2HFHOE74pxbvSYM0=; b=WwLVF1j+OgOmvSzcG+LtvzrOxo OP93QgEQjds1TOh10E22Vyrh7P+r12rnxXM1+GJSczey/41ycfCoDy/V+0ClKQuhb6DH2J8y+jMZU wpjP4L3a5EfGkR7ILGm9Vrrb3YHj4CBmOtj5VoxkqnYcs/r0fbzoSRWz2mNU1gkvdiq9r+hC7v2e8 7fD+r0j8huHEevn8820psOL9QQCe5z0HX5XljN1HV3LCqQff7mcrCCrlNOILLxe6dwszMMCQC4cTy RDgIE+sIDIwdAj0chOu0qgd2j6XflBV32O/aDIYoGN0d4gaeJmruIBnecfxZGTkn9q9AxDx6GTkr3 Vzmui4Xw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1swiFX-0000000CUck-17lr; Fri, 04 Oct 2024 13:21:39 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1swiEC-0000000CU5X-3oAq for linux-arm-kernel@lists.infradead.org; Fri, 04 Oct 2024 13:20:18 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1728048016; x=1759584016; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=ZgIfoJKE70OfDrnxeepB0+UdKBWVD8lBJiTimBT63eg=; b=AsP4ZIFUusZNDENpf6lJmqefwQ6BZptX+r4esJYgUsXwoKRKvgTSORlB WnmXUrhFfuU3lDSJZcDfVXHiE9yEZU0/H7NAejmR82d7kwRB3jM+F5QUX uQQkkuwXIZa7sQNN5SjgIN8auciU7JUyx4zHjpa1LeZGuS2kgL4ddAh04 PhJ0D13WITXQQELbtEhyZxplFL0hYy4hgbeH7sRJJj/4pOVhtw8r55Ndh ltxN5eXnXr1L6kbcIdhUuc3W8uDs5hsdfI+VOToaZuhwJvkhzfATB8OtT G24m045GsC4oVDJ5kn6g6ueNMrT37uhYCdAGHuhovHHwfwSQalPLBsg46 w==; X-CSE-ConnectionGUID: tcwBQ5UAQ6iS5vHYLyjR6g== X-CSE-MsgGUID: UXo280B2RLW+467+kBo9DA== X-IronPort-AV: E=Sophos;i="6.11,177,1725346800"; d="scan'208";a="32444619" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 04 Oct 2024 06:20:14 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 4 Oct 2024 06:20:06 -0700 Received: from DEN-DL-M70577.microchip.com (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 4 Oct 2024 06:20:03 -0700 From: Daniel Machon Date: Fri, 4 Oct 2024 15:19:27 +0200 Subject: [PATCH net-next v2 01/15] net: sparx5: add support for private match data MIME-Version: 1.0 Message-ID: <20241004-b4-sparx5-lan969x-switch-driver-v2-1-d3290f581663@microchip.com> References: <20241004-b4-sparx5-lan969x-switch-driver-v2-0-d3290f581663@microchip.com> In-Reply-To: <20241004-b4-sparx5-lan969x-switch-driver-v2-0-d3290f581663@microchip.com> To: "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Lars Povlsen , "Steen Hegelund" , , , , Richard Cochran , , , , , , CC: , , X-Mailer: b4 0.14-dev X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241004_062017_139414_C9FC02EE X-CRM114-Status: GOOD ( 18.71 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In preparation for lan969x, add support for private match data. This will be needed for abstracting away differences between the Sparx5 and lan969x platforms. We initially add values for: iomap, iomap size and ioranges. Update the use of these throughout. Reviewed-by: Steen Hegelund Reviewed-by: Jacob Keller Signed-off-by: Daniel Machon --- .../net/ethernet/microchip/sparx5/sparx5_main.c | 36 +++++++++++++--------- .../net/ethernet/microchip/sparx5/sparx5_main.h | 13 ++++++++ 2 files changed, 34 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c index b64c814eac11..179a1dc0d8f6 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.c @@ -45,12 +45,6 @@ struct sparx5_ram_config { u32 init_val; }; -struct sparx5_main_io_resource { - enum sparx5_target id; - phys_addr_t offset; - int range; -}; - static const struct sparx5_main_io_resource sparx5_main_iomap[] = { { TARGET_CPU, 0, 0 }, /* 0x600000000 */ { TARGET_FDMA, 0x80000, 0 }, /* 0x600080000 */ @@ -216,21 +210,24 @@ static const struct sparx5_main_io_resource sparx5_main_iomap[] = { static int sparx5_create_targets(struct sparx5 *sparx5) { + const struct sparx5_main_io_resource *iomap = sparx5->data->iomap; + int iomap_size = sparx5->data->iomap_size; + int ioranges = sparx5->data->ioranges; struct resource *iores[IO_RANGES]; void __iomem *iomem[IO_RANGES]; void __iomem *begin[IO_RANGES]; int range_id[IO_RANGES]; int idx, jdx; - for (idx = 0, jdx = 0; jdx < ARRAY_SIZE(sparx5_main_iomap); jdx++) { - const struct sparx5_main_io_resource *iomap = &sparx5_main_iomap[jdx]; + for (idx = 0, jdx = 0; jdx < iomap_size; jdx++) { + const struct sparx5_main_io_resource *io = &iomap[jdx]; - if (idx == iomap->range) { + if (idx == io->range) { range_id[idx] = jdx; idx++; } } - for (idx = 0; idx < IO_RANGES; idx++) { + for (idx = 0; idx < ioranges; idx++) { iores[idx] = platform_get_resource(sparx5->pdev, IORESOURCE_MEM, idx); if (!iores[idx]) { @@ -245,12 +242,12 @@ static int sparx5_create_targets(struct sparx5 *sparx5) iores[idx]->name); return -ENOMEM; } - begin[idx] = iomem[idx] - sparx5_main_iomap[range_id[idx]].offset; + begin[idx] = iomem[idx] - iomap[range_id[idx]].offset; } - for (jdx = 0; jdx < ARRAY_SIZE(sparx5_main_iomap); jdx++) { - const struct sparx5_main_io_resource *iomap = &sparx5_main_iomap[jdx]; + for (jdx = 0; jdx < iomap_size; jdx++) { + const struct sparx5_main_io_resource *io = &iomap[jdx]; - sparx5->regs[iomap->id] = begin[iomap->range] + iomap->offset; + sparx5->regs[io->id] = begin[io->range] + io->offset; } return 0; } @@ -759,6 +756,9 @@ static int mchp_sparx5_probe(struct platform_device *pdev) sparx5->dev = &pdev->dev; spin_lock_init(&sparx5->tx_lock); + sparx5->data = device_get_match_data(sparx5->dev); + if (!sparx5->data) + return -EINVAL; /* Do switch core reset if available */ reset = devm_reset_control_get_optional_shared(&pdev->dev, "switch"); if (IS_ERR(reset)) @@ -937,8 +937,14 @@ static void mchp_sparx5_remove(struct platform_device *pdev) destroy_workqueue(sparx5->mact_queue); } +static const struct sparx5_match_data sparx5_desc = { + .iomap = sparx5_main_iomap, + .iomap_size = ARRAY_SIZE(sparx5_main_iomap), + .ioranges = 3, +}; + static const struct of_device_id mchp_sparx5_match[] = { - { .compatible = "microchip,sparx5-switch" }, + { .compatible = "microchip,sparx5-switch", .data = &sparx5_desc }, { } }; MODULE_DEVICE_TABLE(of, mchp_sparx5_match); diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h index 3309060b1e4c..845f918aaf5e 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h @@ -226,6 +226,18 @@ struct sparx5_mall_entry { #define SPARX5_SKB_CB(skb) \ ((struct sparx5_skb_cb *)((skb)->cb)) +struct sparx5_main_io_resource { + enum sparx5_target id; + phys_addr_t offset; + int range; +}; + +struct sparx5_match_data { + const struct sparx5_main_io_resource *iomap; + int ioranges; + int iomap_size; +}; + struct sparx5 { struct platform_device *pdev; struct device *dev; @@ -293,6 +305,7 @@ struct sparx5 { struct list_head mall_entries; /* Common root for debugfs */ struct dentry *debugfs_root; + const struct sparx5_match_data *data; }; /* sparx5_switchdev.c */