From patchwork Tue Jun 26 09:25:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 10488477 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id EAD18602B3 for ; Tue, 26 Jun 2018 09:28:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E70EB2884E for ; Tue, 26 Jun 2018 09:28:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB24F28857; Tue, 26 Jun 2018 09:28:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI, T_DKIM_INVALID autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5E9542884E for ; Tue, 26 Jun 2018 09:28:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932558AbeFZJ17 (ORCPT ); Tue, 26 Jun 2018 05:27:59 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:52548 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934381AbeFZJZt (ORCPT ); Tue, 26 Jun 2018 05:25:49 -0400 Received: by mail-wm0-f66.google.com with SMTP id p126-v6so1052916wmb.2 for ; Tue, 26 Jun 2018 02:25:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=GUfHyn6VK1PqeVsGt0SkIxjoM2BJY7WdUiFWdv18igw=; b=Gy/BGYMSDpI/Mmofe6kQfwzE92tqDkLk/C/QS1MxeUtROqI6PypJYfI2F1HN14p2A0 cy6xN/4/ewbHemFIJBJ8tOd3qPGcmuqEP8WE2/5ziUvA+ZN9vETSoEPZ94PfJHtHHQFX Z6WYToL+P/tt2GmR1VdS98M9BAzegUZd01WpwbU0f89QHEIr8QWrp9Ea9l2mYqID34cy DgeEFwjBUjr1idlUFHbM/S8WlLRFpuNzi81XRp6TpRMt4JA8u7z2Cn/ReXT0UZjln34H HQsooMObdFgTNHYD+PCpbZsbf4mcQH/L8sPzoeEbuJnGIsNKEZ9QK/vhzS6GWGwxm8E3 LFbw== 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; bh=GUfHyn6VK1PqeVsGt0SkIxjoM2BJY7WdUiFWdv18igw=; b=W4CSLEMmPXTjRo6pVId4gfqx7SMzKd2S/MADyACNX7FAXEHLEHEpRqVqAJAGCRhFYp 9TIJgyFQ2nF89GUDwwFYrcOmZCOZ0G5SayU3VoHnINPTnrQ88nLTtcSG77lZOM1JTwD6 oXlWJlkKdu+1bagWkNaBukn8nDAIn38uCAHinqf24b8sCYqm3JYZeOKgCfpObmfsGv09 FQvLN+IMkzhQuxUku1/5r/mqzH+XswFIec8VleuIDSPyxn/ZvafDFV4Ep8NGYPHGP/BT Q9FgCeHQlqjswqoYSEc5vf4ANYIrZvueoQhYBL88/Ij8L0GtgaJT9BxQBjiMEo1eQQPi vF8w== X-Gm-Message-State: APt69E3C1YPA6q3/8l5hzc86F4y489YH7ph8hGYkItzxPbozVlaqbsQr K19vt7blr60nOR7oN37cpQPJhw== X-Google-Smtp-Source: AAOMgpe1gbMhQo6ZH8kZCe/ZROVLmB10lmy7ko/4WTExKpgmzMKDI3nIVQNkcY3v8tl3Jx5zeWQ9oA== X-Received: by 2002:a1c:ca01:: with SMTP id a1-v6mr988375wmg.128.1530005148536; Tue, 26 Jun 2018 02:25:48 -0700 (PDT) Received: from brgl-bgdev.lan (LFbn-NIC-1-55-10.w2-15.abo.wanadoo.fr. [2.15.147.10]) by smtp.gmail.com with ESMTPSA id a8-v6sm1528791wrn.50.2018.06.26.02.25.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 26 Jun 2018 02:25:47 -0700 (PDT) From: Bartosz Golaszewski To: Sekhar Nori , Kevin Hilman , Russell King , David Lechner , Michael Turquette , Stephen Boyd Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v2 06/13] ARM: davinci: omapl138-hawk: add aemif & nand support Date: Tue, 26 Jun 2018 11:25:30 +0200 Message-Id: <20180626092537.6737-7-brgl@bgdev.pl> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180626092537.6737-1-brgl@bgdev.pl> References: <20180626092537.6737-1-brgl@bgdev.pl> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Bartosz Golaszewski We now have support for aemif & nand from board files. As an example add support for nand to da850-hawk. Signed-off-by: Bartosz Golaszewski --- arch/arm/mach-davinci/board-omapl138-hawk.c | 132 ++++++++++++++++++++ 1 file changed, 132 insertions(+) diff --git a/arch/arm/mach-davinci/board-omapl138-hawk.c b/arch/arm/mach-davinci/board-omapl138-hawk.c index 466e87b24e9a..8d8e3165a45c 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -16,6 +16,11 @@ #include #include #include +#include +#include +#include +#include +#include #include #include @@ -166,6 +171,129 @@ static __init void omapl138_hawk_mmc_init(void) gpiod_remove_lookup_table(&mmc_gpios_table); } +static struct mtd_partition omapl138_hawk_nandflash_partition[] = { + { + .name = "u-boot env", + .offset = 0, + .size = SZ_128K, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "u-boot", + .offset = MTDPART_OFS_APPEND, + .size = SZ_512K, + .mask_flags = MTD_WRITEABLE, + }, + { + .name = "free space", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL, + .mask_flags = 0, + }, +}; + +static struct davinci_aemif_timing omapl138_hawk_nandflash_timing = { + .wsetup = 24, + .wstrobe = 21, + .whold = 14, + .rsetup = 19, + .rstrobe = 50, + .rhold = 0, + .ta = 20, +}; + +static struct davinci_nand_pdata omapl138_hawk_nandflash_data = { + .core_chipsel = 1, + .parts = omapl138_hawk_nandflash_partition, + .nr_parts = ARRAY_SIZE(omapl138_hawk_nandflash_partition), + .ecc_mode = NAND_ECC_HW, + .ecc_bits = 4, + .bbt_options = NAND_BBT_USE_FLASH, + .options = NAND_BUSWIDTH_16, + .timing = &omapl138_hawk_nandflash_timing, + .mask_chipsel = 0, + .mask_ale = 0, + .mask_cle = 0, +}; + +static struct resource omapl138_hawk_nandflash_resource[] = { + { + .start = DA8XX_AEMIF_CS3_BASE, + .end = DA8XX_AEMIF_CS3_BASE + SZ_32M, + .flags = IORESOURCE_MEM, + }, + { + .start = DA8XX_AEMIF_CTL_BASE, + .end = DA8XX_AEMIF_CTL_BASE + SZ_32K, + .flags = IORESOURCE_MEM, + }, +}; + +static struct resource omapl138_hawk_aemif_resource[] = { + { + .start = DA8XX_AEMIF_CTL_BASE, + .end = DA8XX_AEMIF_CTL_BASE + SZ_32K, + .flags = IORESOURCE_MEM, + } +}; + +static struct aemif_abus_data omapl138_hawk_aemif_abus_data[] = { + { + .cs = 3, + } +}; + +static struct platform_device omapl138_hawk_aemif_devices[] = { + { + .name = "davinci_nand", + .id = 1, + .dev = { + .platform_data = &omapl138_hawk_nandflash_data, + }, + .resource = omapl138_hawk_nandflash_resource, + .num_resources = ARRAY_SIZE(omapl138_hawk_nandflash_resource), + } +}; + +static struct aemif_platform_data omapl138_hawk_aemif_pdata = { + .cs_offset = 2, + .abus_data = omapl138_hawk_aemif_abus_data, + .num_abus_data = ARRAY_SIZE(omapl138_hawk_aemif_abus_data), + .sub_devices = omapl138_hawk_aemif_devices, + .num_sub_devices = ARRAY_SIZE(omapl138_hawk_aemif_devices), +}; + +static struct platform_device omapl138_hawk_aemif_device = { + .name = "ti-aemif", + .id = -1, + .dev = { + .platform_data = &omapl138_hawk_aemif_pdata, + }, + .resource = omapl138_hawk_aemif_resource, + .num_resources = ARRAY_SIZE(omapl138_hawk_aemif_resource), +}; + +static const short omapl138_hawk_nand_pins[] = { + DA850_EMA_WAIT_1, DA850_NEMA_OE, DA850_NEMA_WE, DA850_NEMA_CS_3, + DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3, + DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7, + DA850_EMA_D_8, DA850_EMA_D_9, DA850_EMA_D_10, DA850_EMA_D_11, + DA850_EMA_D_12, DA850_EMA_D_13, DA850_EMA_D_14, DA850_EMA_D_15, + DA850_EMA_A_1, DA850_EMA_A_2, + -1 +}; + +static int omapl138_hawk_register_aemif(void) +{ + int ret; + + ret = davinci_cfg_reg_list(omapl138_hawk_nand_pins); + if (ret) + pr_warn("%s: NAND mux setup failed: %d\n", __func__, ret); + + return platform_device_register(&omapl138_hawk_aemif_device); +} + static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id); static da8xx_ocic_handler_t hawk_usb_ocic_handler; @@ -298,6 +426,10 @@ static __init void omapl138_hawk_init(void) omapl138_hawk_usb_init(); + ret = omapl138_hawk_register_aemif(); + if (ret) + pr_warn("%s: aemif registration failed: %d\n", __func__, ret); + ret = da8xx_register_watchdog(); if (ret) pr_warn("%s: watchdog registration failed: %d\n",