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Diffstat (limited to 'arch/arm/mach-davinci/board-neuros-osd2.c')
| -rw-r--r-- | arch/arm/mach-davinci/board-neuros-osd2.c | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c new file mode 100644 index 000000000000..bd9ca079b69d --- /dev/null +++ b/arch/arm/mach-davinci/board-neuros-osd2.c @@ -0,0 +1,323 @@ +/* + * Neuros Technologies OSD2 board support + * + * Modified from original 644X-EVM board support. + * 2008 (c) Neuros Technology, LLC. + * 2009 (c) Jorge Luis Zapata Muga <jorgeluis.zapata@gmail.com> + * 2009 (c) Andrey A. Porodko <Andrey.Porodko@gmail.com> + * + * 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. + * Additionaly 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 + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without any + * warranty of any kind, whether express or implied. + */ +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/mtd/partitions.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <mach/dm644x.h> +#include <mach/i2c.h> +#include <mach/serial.h> +#include <mach/mux.h> +#include <mach/nand.h> +#include <mach/mmc.h> +#include <mach/usb.h> + +#define NEUROS_OSD2_PHY_MASK 0x2 +#define NEUROS_OSD2_MDIO_FREQUENCY 2200000 /* PHY bus frequency */ + +#define DAVINCI_CFC_ATA_BASE 0x01C66000 + +#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e00000 +#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000 + +#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 + +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 = { + .parts = davinci_ntosd2_nandflash_partition, + .nr_parts = ARRAY_SIZE(davinci_ntosd2_nandflash_partition), + .ecc_mode = NAND_ECC_HW, + .options = NAND_USE_FLASH_BBT, +}; + +static struct resource davinci_ntosd2_nandflash_resource[] = { + { + .start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE, + .end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1, + .flags = IORESOURCE_MEM, + }, { + .start = DAVINCI_ASYNC_EMIF_CONTROL_BASE, + .end = DAVINCI_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 struct resource ide_resources[] = { + { + .start = DAVINCI_CFC_ATA_BASE, + .end = DAVINCI_CFC_ATA_BASE + 0x7ff, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_IDE, + .end = IRQ_IDE, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 ide_dma_mask = DMA_BIT_MASK(32); + +static struct platform_device ide_dev = { + .name = "palm_bk3710", + .id = -1, + .resource = ide_resources, + .num_resources = ARRAY_SIZE(ide_resources), + .dev = { + .dma_mask = &ide_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, +}; + +static struct snd_platform_data dm644x_ntosd2_snd_data; + +static struct gpio_led ntosd2_leds[] = { + { .name = "led1_green", .gpio = GPIO(10), }, + { .name = "led1_red", .gpio = GPIO(11), }, + { .name = "led2_green", .gpio = GPIO(12), }, + { .name = "led2_red", .gpio = 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 struct davinci_uart_config uart_config __initdata = { + .enabled_uarts = (1 << 0), +}; + +static void __init davinci_ntosd2_map_io(void) +{ + dm644x_init(); +} + +/* + I2C initialization +*/ +static struct davinci_i2c_platform_data ntosd2_i2c_pdata = { + .bus_freq = 20 /* kHz */, + .bus_delay = 100 /* usec */, +}; + +static struct i2c_board_info __initdata ntosd2_i2c_info[] = { +}; + +static int ntosd2_init_i2c(void) +{ + int status; + + davinci_init_i2c(&ntosd2_i2c_pdata); + status = gpio_request(NTOSD2_MSP430_IRQ, ntosd2_i2c_info[0].type); + if (status == 0) { + status = gpio_direction_input(NTOSD2_MSP430_IRQ); + if (status == 0) { + status = gpio_to_irq(NTOSD2_MSP430_IRQ); + if (status > 0) { + ntosd2_i2c_info[0].irq = status; + i2c_register_board_info(1, + ntosd2_i2c_info, + ARRAY_SIZE(ntosd2_i2c_info)); + } + } + } + return status; +} + +static struct davinci_mmc_config davinci_ntosd2_mmc_config = { + .wires = 4, + .version = MMC_CTLR_VERSION_1 +}; + + +#if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \ + defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE) +#define HAS_ATA 1 +#else +#define HAS_ATA 0 +#endif + +#if defined(CONFIG_MTD_NAND_DAVINCI) || \ + defined(CONFIG_MTD_NAND_DAVINCI_MODULE) +#define HAS_NAND 1 +#else +#define HAS_NAND 0 +#endif + +static __init void davinci_ntosd2_init(void) +{ + struct clk *aemif_clk; + struct davinci_soc_info *soc_info = &davinci_soc_info; + int status; + + aemif_clk = clk_get(NULL, "aemif"); + clk_enable(aemif_clk); + + if (HAS_ATA) { + if (HAS_NAND) + pr_warning("WARNING: both IDE and Flash are " + "enabled, but they share AEMIF pins.\n" + "\tDisable IDE for NAND/NOR support.\n"); + davinci_cfg_reg(DM644X_HPIEN_DISABLE); + davinci_cfg_reg(DM644X_ATAEN); + davinci_cfg_reg(DM644X_HDIREN); + platform_device_register(&ide_dev); + } 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)); + + /* Initialize I2C interface specific for this board */ + status = ntosd2_init_i2c(); + if (status < 0) + pr_warning("davinci_ntosd2_init: msp430 irq setup failed:" + " %d\n", status); + + davinci_serial_init(&uart_config); + dm644x_init_asp(&dm644x_ntosd2_snd_data); + + soc_info->emac_pdata->phy_mask = NEUROS_OSD2_PHY_MASK; + soc_info->emac_pdata->mdio_max_freq = NEUROS_OSD2_MDIO_FREQUENCY; + + 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 (http://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); +} + +static __init void davinci_ntosd2_irq_init(void) +{ + davinci_irq_init(); +} + +MACHINE_START(NEUROS_OSD2, "Neuros OSD2") + /* Maintainer: Neuros Technologies <neuros@groups.google.com> */ + .phys_io = IO_PHYS, + .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc, + .boot_params = (DAVINCI_DDR_BASE + 0x100), + .map_io = davinci_ntosd2_map_io, + .init_irq = davinci_ntosd2_irq_init, + .timer = &davinci_timer, + .init_machine = davinci_ntosd2_init, +MACHINE_END |