mirror of https://gitee.com/openkylin/linux.git
234 lines
6.4 KiB
C
234 lines
6.4 KiB
C
/*
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* Neuros Technologies OSD2 board support
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*
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* Modified from original 644X-EVM board support.
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* 2008 (c) Neuros Technology, LLC.
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* 2009 (c) Jorge Luis Zapata Muga <jorgeluis.zapata@gmail.com>
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* 2009 (c) Andrey A. Porodko <Andrey.Porodko@gmail.com>
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*
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* The Neuros OSD 2.0 is the hardware component of the Neuros Open
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* Internet Television Platform. Hardware is very close to TI
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* DM644X-EVM board. It has:
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* DM6446M02 module with 256MB NAND, 256MB RAM, TLV320AIC32 AIC,
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* USB, Ethernet, SD/MMC, UART, THS8200, TVP7000 for video.
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* Additionally realtime clock, IR remote control receiver,
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* IR Blaster based on MSP430 (firmware although is different
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* from used in DM644X-EVM), internal ATA-6 3.5” HDD drive
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* with PATA interface, two muxed red-green leds.
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*
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* For more information please refer to
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* http://wiki.neurostechnology.com/index.php/OSD_2.0_HD
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/mtd/partitions.h>
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#include <linux/platform_data/gpio-davinci.h>
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#include <linux/platform_data/i2c-davinci.h>
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#include <linux/platform_data/mmc-davinci.h>
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#include <linux/platform_data/mtd-davinci.h>
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#include <linux/platform_data/usb-davinci.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/common.h>
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#include <mach/serial.h>
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#include <mach/mux.h>
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#include "davinci.h"
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#define NEUROS_OSD2_PHY_ID "davinci_mdio-0:01"
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#define LXT971_PHY_ID 0x001378e2
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#define LXT971_PHY_MASK 0xfffffff0
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#define NTOSD2_AUDIOSOC_I2C_ADDR 0x18
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#define NTOSD2_MSP430_I2C_ADDR 0x59
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#define NTOSD2_MSP430_IRQ 2
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/* Neuros OSD2 has a Samsung 256 MByte NAND flash (Dev ID of 0xAA,
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* 2048 blocks in the device, 64 pages per block, 2048 bytes per
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* page.
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*/
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#define NAND_BLOCK_SIZE SZ_128K
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static struct mtd_partition davinci_ntosd2_nandflash_partition[] = {
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{
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/* UBL (a few copies) plus U-Boot */
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.name = "bootloader",
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.offset = 0,
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.size = 15 * NAND_BLOCK_SIZE,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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}, {
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/* U-Boot environment */
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = 1 * NAND_BLOCK_SIZE,
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.mask_flags = 0,
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}, {
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/* Kernel */
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_4M,
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.mask_flags = 0,
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}, {
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/* File System */
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0,
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}
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/* A few blocks at end hold a flash Bad Block Table. */
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};
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static struct davinci_nand_pdata davinci_ntosd2_nandflash_data = {
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.parts = davinci_ntosd2_nandflash_partition,
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.nr_parts = ARRAY_SIZE(davinci_ntosd2_nandflash_partition),
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.ecc_mode = NAND_ECC_HW,
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.ecc_bits = 1,
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.bbt_options = NAND_BBT_USE_FLASH,
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};
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static struct resource davinci_ntosd2_nandflash_resource[] = {
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{
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.start = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
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.end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = DM644X_ASYNC_EMIF_CONTROL_BASE,
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.end = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device davinci_ntosd2_nandflash_device = {
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.name = "davinci_nand",
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.id = 0,
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.dev = {
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.platform_data = &davinci_ntosd2_nandflash_data,
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},
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.num_resources = ARRAY_SIZE(davinci_ntosd2_nandflash_resource),
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.resource = davinci_ntosd2_nandflash_resource,
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};
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static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
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static struct platform_device davinci_fb_device = {
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.name = "davincifb",
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.id = -1,
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.dev = {
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.dma_mask = &davinci_fb_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = 0,
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};
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static struct gpio_led ntosd2_leds[] = {
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{ .name = "led1_green", .gpio = GPIO(10), },
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{ .name = "led1_red", .gpio = GPIO(11), },
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{ .name = "led2_green", .gpio = GPIO(12), },
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{ .name = "led2_red", .gpio = GPIO(13), },
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};
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static struct gpio_led_platform_data ntosd2_leds_data = {
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.num_leds = ARRAY_SIZE(ntosd2_leds),
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.leds = ntosd2_leds,
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};
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static struct platform_device ntosd2_leds_dev = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &ntosd2_leds_data,
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},
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};
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static struct platform_device *davinci_ntosd2_devices[] __initdata = {
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&davinci_fb_device,
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&ntosd2_leds_dev,
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};
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static void __init davinci_ntosd2_map_io(void)
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{
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dm644x_init();
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}
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static struct davinci_mmc_config davinci_ntosd2_mmc_config = {
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.wires = 4,
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};
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#define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
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#define HAS_NAND IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
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static __init void davinci_ntosd2_init(void)
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{
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int ret;
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struct clk *aemif_clk;
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struct davinci_soc_info *soc_info = &davinci_soc_info;
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ret = dm644x_gpio_register();
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if (ret)
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pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
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aemif_clk = clk_get(NULL, "aemif");
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clk_prepare_enable(aemif_clk);
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if (HAS_ATA) {
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if (HAS_NAND)
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pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n"
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"\tDisable IDE for NAND/NOR support\n");
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davinci_init_ide();
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} else if (HAS_NAND) {
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davinci_cfg_reg(DM644X_HPIEN_DISABLE);
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davinci_cfg_reg(DM644X_ATAEN_DISABLE);
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/* only one device will be jumpered and detected */
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if (HAS_NAND)
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platform_device_register(
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&davinci_ntosd2_nandflash_device);
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}
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platform_add_devices(davinci_ntosd2_devices,
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ARRAY_SIZE(davinci_ntosd2_devices));
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davinci_serial_init(dm644x_serial_device);
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dm644x_init_asp();
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soc_info->emac_pdata->phy_id = NEUROS_OSD2_PHY_ID;
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davinci_setup_usb(1000, 8);
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/*
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* Mux the pins to be GPIOs, VLYNQEN is already done at startup.
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* The AEAWx are five new AEAW pins that can be muxed by separately.
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* They are a bitmask for GPIO management. According TI
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* documentation (http://www.ti.com/lit/gpn/tms320dm6446) to employ
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* gpio(10,11,12,13) for leds any combination of bits works except
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* four last. So we are to reset all five.
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*/
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davinci_cfg_reg(DM644X_AEAW0);
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davinci_cfg_reg(DM644X_AEAW1);
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davinci_cfg_reg(DM644X_AEAW2);
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davinci_cfg_reg(DM644X_AEAW3);
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davinci_cfg_reg(DM644X_AEAW4);
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davinci_setup_mmc(0, &davinci_ntosd2_mmc_config);
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}
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MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
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/* Maintainer: Neuros Technologies <neuros@groups.google.com> */
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.atag_offset = 0x100,
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.map_io = davinci_ntosd2_map_io,
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.init_irq = davinci_irq_init,
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.init_time = davinci_timer_init,
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.init_machine = davinci_ntosd2_init,
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.init_late = davinci_init_late,
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.dma_zone_size = SZ_128M,
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.restart = davinci_restart,
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MACHINE_END
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