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[90.86.29.41]) by smtp.gmail.com with ESMTPSA id s8-v6sm1550352wrm.84.2018.06.28.02.58.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 28 Jun 2018 02:58:01 -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 06/13] ARM: davinci: omapl138-hawk: add aemif & nand support Date: Thu, 28 Jun 2018 11:57:41 +0200 Message-Id: <20180628095748.4462-7-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 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..8e8d51f4a276 100644 --- a/arch/arm/mach-davinci/board-omapl138-hawk.c +++ b/arch/arm/mach-davinci/board-omapl138-hawk.c @@ -15,7 +15,12 @@ #include #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",