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[90.86.29.41]) by smtp.gmail.com with ESMTPSA id s8-v6sm1550352wrm.84.2018.06.28.02.58.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Jun 2018 02:58:02 -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 v3 07/13] ARM: davinci: da850-evm: use aemif platform driver in legacy mode Date: Thu, 28 Jun 2018 11:57:42 +0200 Message-Id: <20180628095748.4462-8-brgl@bgdev.pl> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180628095748.4462-1-brgl@bgdev.pl> References: <20180628095748.4462-1-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 support board files in the aemif driver. Register a platform device instead of using the handcrafted API in da850-evm. Signed-off-by: Bartosz Golaszewski --- arch/arm/mach-davinci/board-da850-evm.c | 93 ++++++++++++++----------- 1 file changed, 51 insertions(+), 42 deletions(-) diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 442c16773f09..ace66f368f8d 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -33,6 +33,7 @@ #include #include #include +#include #include #include #include @@ -185,16 +186,6 @@ static struct resource da850_evm_norflash_resource[] = { }, }; -static struct platform_device da850_evm_norflash_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &da850_evm_norflash_data, - }, - .num_resources = 1, - .resource = da850_evm_norflash_resource, -}; - /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash * (128K blocks). It may be used instead of the (default) SPI flash * to boot, using TI's tools to install the secondary boot loader @@ -266,37 +257,58 @@ static struct resource da850_evm_nandflash_resource[] = { }, }; -static struct platform_device da850_evm_nandflash_device = { - .name = "davinci_nand", - .id = 1, - .dev = { - .platform_data = &da850_evm_nandflash_data, - }, - .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource), - .resource = da850_evm_nandflash_resource, +static struct resource da850_evm_aemif_resource[] = { + { + .start = DA8XX_AEMIF_CTL_BASE, + .end = DA8XX_AEMIF_CTL_BASE + SZ_32K, + .flags = IORESOURCE_MEM, + } }; -static struct platform_device *da850_evm_devices[] = { - &da850_evm_nandflash_device, - &da850_evm_norflash_device, +static struct aemif_abus_data da850_evm_aemif_abus_data[] = { + { + .cs = 3, + } }; -#define DA8XX_AEMIF_CE2CFG_OFFSET 0x10 -#define DA8XX_AEMIF_ASIZE_16BIT 0x1 - -static void __init da850_evm_init_nor(void) -{ - void __iomem *aemif_addr; - - aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K); +static struct platform_device da850_evm_aemif_devices[] = { + { + .name = "davinci_nand", + .id = 1, + .dev = { + .platform_data = &da850_evm_nandflash_data, + }, + .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource), + .resource = da850_evm_nandflash_resource, + }, + { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &da850_evm_norflash_data, + }, + .num_resources = 1, + .resource = da850_evm_norflash_resource, + } +}; - /* Configure data bus width of CS2 to 16 bit */ - writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) | - DA8XX_AEMIF_ASIZE_16BIT, - aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET); +static struct aemif_platform_data da850_evm_aemif_pdata = { + .cs_offset = 2, + .abus_data = da850_evm_aemif_abus_data, + .num_abus_data = ARRAY_SIZE(da850_evm_aemif_abus_data), + .sub_devices = da850_evm_aemif_devices, + .num_sub_devices = ARRAY_SIZE(da850_evm_aemif_devices), +}; - iounmap(aemif_addr); -} +static struct platform_device da850_evm_aemif_device = { + .name = "ti-aemif", + .id = -1, + .dev = { + .platform_data = &da850_evm_aemif_pdata, + }, + .resource = da850_evm_aemif_resource, + .num_resources = ARRAY_SIZE(da850_evm_aemif_resource), +}; static const short da850_evm_nand_pins[] = { DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3, @@ -339,13 +351,10 @@ static inline void da850_evm_setup_nor_nand(void) pr_warn("%s: NOR mux setup failed: %d\n", __func__, ret); - da850_evm_init_nor(); - - platform_add_devices(da850_evm_devices, - ARRAY_SIZE(da850_evm_devices)); - - if (davinci_aemif_setup(&da850_evm_nandflash_device)) - pr_warn("%s: Cannot configure AEMIF.\n", __func__); + ret = platform_device_register(&da850_evm_aemif_device); + if (ret) + pr_warn("%s: registering aemif failed: %d\n", + __func__, ret); } }