// SPDX-License-Identifier: GPL-2.0-only /* * Neuros Technologies OSD2 board support * * Modified from original 644X-EVM board support. * 2008 (c) Neuros Technology, LLC. * 2009 (c) Jorge Luis Zapata Muga * 2009 (c) Andrey A. Porodko * * The Neuros OSD 2.0 is the hardware component of the Neuros Open * Internet Television Platform. Hardware is very close to TI * DM644X-EVM board. It has: * DM6446M02 module with 256MB NAND, 256MB RAM, TLV320AIC32 AIC, * USB, Ethernet, SD/MMC, UART, THS8200, TVP7000 for video. * Additionally realtime clock, IR remote control receiver, * IR Blaster based on MSP430 (firmware although is different * from used in DM644X-EVM), internal ATA-6 3.5” HDD drive * with PATA interface, two muxed red-green leds. * * For more information please refer to * http://wiki.neurostechnology.com/index.php/OSD_2.0_HD */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "davinci.h" #define NEUROS_OSD2_PHY_ID "davinci_mdio-0:01" #define LXT971_PHY_ID 0x001378e2 #define LXT971_PHY_MASK 0xfffffff0 #define NTOSD2_AUDIOSOC_I2C_ADDR 0x18 #define NTOSD2_MSP430_I2C_ADDR 0x59 #define NTOSD2_MSP430_IRQ 2 /* Neuros OSD2 has a Samsung 256 MByte NAND flash (Dev ID of 0xAA, * 2048 blocks in the device, 64 pages per block, 2048 bytes per * page. */ #define NAND_BLOCK_SIZE SZ_128K static struct mtd_partition davinci_ntosd2_nandflash_partition[] = { { /* UBL (a few copies) plus U-Boot */ .name = "bootloader", .offset = 0, .size = 15 * NAND_BLOCK_SIZE, .mask_flags = MTD_WRITEABLE, /* force read-only */ }, { /* U-Boot environment */ .name = "params", .offset = MTDPART_OFS_APPEND, .size = 1 * NAND_BLOCK_SIZE, .mask_flags = 0, }, { /* Kernel */ .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = SZ_4M, .mask_flags = 0, }, { /* File System */ .name = "filesystem", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, .mask_flags = 0, } /* A few blocks at end hold a flash Bad Block Table. */ }; static struct davinci_nand_pdata davinci_ntosd2_nandflash_data = { .core_chipsel = 0, .parts = davinci_ntosd2_nandflash_partition, .nr_parts = ARRAY_SIZE(davinci_ntosd2_nandflash_partition), .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST, .ecc_bits = 1, .bbt_options = NAND_BBT_USE_FLASH, }; static struct resource davinci_ntosd2_nandflash_resource[] = { { .start = DM644X_ASYNC_EMIF_DATA_CE0_BASE, .end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, .flags = IORESOURCE_MEM, }, { .start = DM644X_ASYNC_EMIF_CONTROL_BASE, .end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, }; static struct platform_device davinci_ntosd2_nandflash_device = { .name = "davinci_nand", .id = 0, .dev = { .platform_data = &davinci_ntosd2_nandflash_data, }, .num_resources = ARRAY_SIZE(davinci_ntosd2_nandflash_resource), .resource = davinci_ntosd2_nandflash_resource, }; static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32); static struct platform_device davinci_fb_device = { .name = "davincifb", .id = -1, .dev = { .dma_mask = &davinci_fb_dma_mask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .num_resources = 0, }; static const struct gpio_led ntosd2_leds[] = { { .name = "led1_green", .gpio = 10, }, { .name = "led1_red", .gpio = 11, }, { .name = "led2_green", .gpio = 12, }, { .name = "led2_red", .gpio = 13, }, }; static struct gpio_led_platform_data ntosd2_leds_data = { .num_leds = ARRAY_SIZE(ntosd2_leds), .leds = ntosd2_leds, }; static struct platform_device ntosd2_leds_dev = { .name = "leds-gpio", .id = -1, .dev = { .platform_data = &ntosd2_leds_data, }, }; static struct platform_device *davinci_ntosd2_devices[] __initdata = { &davinci_fb_device, &ntosd2_leds_dev, }; static void __init davinci_ntosd2_map_io(void) { dm644x_init(); } static struct davinci_mmc_config davinci_ntosd2_mmc_config = { .wires = 4, }; #define HAS_ATA (IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ IS_ENABLED(CONFIG_PATA_BK3710)) #define HAS_NAND IS_ENABLED(CONFIG_MTD_NAND_DAVINCI) static __init void davinci_ntosd2_init(void) { int ret; struct clk *aemif_clk; struct davinci_soc_info *soc_info = &davinci_soc_info; dm644x_register_clocks(); dm644x_init_devices(); ret = dm644x_gpio_register(); if (ret) pr_warn("%s: GPIO init failed: %d\n", __func__, ret); aemif_clk = clk_get(NULL, "aemif"); clk_prepare_enable(aemif_clk); if (HAS_ATA) { if (HAS_NAND) pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n" "\tDisable IDE for NAND/NOR support\n"); davinci_init_ide(); } else if (HAS_NAND) { davinci_cfg_reg(DM644X_HPIEN_DISABLE); davinci_cfg_reg(DM644X_ATAEN_DISABLE); /* only one device will be jumpered and detected */ if (HAS_NAND) platform_device_register( &davinci_ntosd2_nandflash_device); } platform_add_devices(davinci_ntosd2_devices, ARRAY_SIZE(davinci_ntosd2_devices)); davinci_serial_init(dm644x_serial_device); dm644x_init_asp(); soc_info->emac_pdata->phy_id = NEUROS_OSD2_PHY_ID; davinci_setup_usb(1000, 8); /* * Mux the pins to be GPIOs, VLYNQEN is already done at startup. * The AEAWx are five new AEAW pins that can be muxed by separately. * They are a bitmask for GPIO management. According TI * documentation (https://www.ti.com/lit/gpn/tms320dm6446) to employ * gpio(10,11,12,13) for leds any combination of bits works except * four last. So we are to reset all five. */ davinci_cfg_reg(DM644X_AEAW0); davinci_cfg_reg(DM644X_AEAW1); davinci_cfg_reg(DM644X_AEAW2); davinci_cfg_reg(DM644X_AEAW3); davinci_cfg_reg(DM644X_AEAW4); davinci_setup_mmc(0, &davinci_ntosd2_mmc_config); } MACHINE_START(NEUROS_OSD2, "Neuros OSD2") /* Maintainer: Neuros Technologies */ .atag_offset = 0x100, .map_io = davinci_ntosd2_map_io, .init_irq = dm644x_init_irq, .init_time = dm644x_init_time, .init_machine = davinci_ntosd2_init, .init_late = davinci_init_late, .dma_zone_size = SZ_128M, MACHINE_END