forked from Minki/linux
74c987a0d9
This patch updates the NAND driver platform data to use 4-bit ECC and the ECC_HW/ECC_HW_OOB_FIRST modes. Signed-off-by: Sneha Narnakaje <nsnehaprabha@ti.com> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
374 lines
9.0 KiB
C
374 lines
9.0 KiB
C
/*
|
|
* TI DaVinci EVM board support
|
|
*
|
|
* Author: Kevin Hilman, Deep Root Systems, LLC
|
|
*
|
|
* 2007 (c) MontaVista Software, Inc. 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/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/nand.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/io.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/videodev2.h>
|
|
#include <media/tvp514x.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/eeprom.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/dm355.h>
|
|
#include <mach/psc.h>
|
|
#include <mach/common.h>
|
|
#include <mach/i2c.h>
|
|
#include <mach/serial.h>
|
|
#include <mach/nand.h>
|
|
#include <mach/mmc.h>
|
|
|
|
#define DAVINCI_ASYNC_EMIF_CONTROL_BASE 0x01e10000
|
|
#define DAVINCI_ASYNC_EMIF_DATA_CE0_BASE 0x02000000
|
|
|
|
/* NOTE: this is geared for the standard config, with a socketed
|
|
* 2 GByte Micron NAND (MT29F16G08FAA) using 128KB sectors. If you
|
|
* swap chips, maybe with a different block size, partitioning may
|
|
* need to be changed.
|
|
*/
|
|
#define NAND_BLOCK_SIZE SZ_128K
|
|
|
|
static struct mtd_partition davinci_nand_partitions[] = {
|
|
{
|
|
/* 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,
|
|
}, {
|
|
.name = "kernel",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_4M,
|
|
.mask_flags = 0,
|
|
}, {
|
|
.name = "filesystem1",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = SZ_512M,
|
|
.mask_flags = 0,
|
|
}, {
|
|
.name = "filesystem2",
|
|
.offset = MTDPART_OFS_APPEND,
|
|
.size = MTDPART_SIZ_FULL,
|
|
.mask_flags = 0,
|
|
}
|
|
/* two blocks with bad block table (and mirror) at the end */
|
|
};
|
|
|
|
static struct davinci_nand_pdata davinci_nand_data = {
|
|
.mask_chipsel = BIT(14),
|
|
.parts = davinci_nand_partitions,
|
|
.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
|
|
.ecc_mode = NAND_ECC_HW,
|
|
.options = NAND_USE_FLASH_BBT,
|
|
.ecc_bits = 4,
|
|
};
|
|
|
|
static struct resource davinci_nand_resources[] = {
|
|
{
|
|
.start = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE,
|
|
.end = DAVINCI_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 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_nand_device = {
|
|
.name = "davinci_nand",
|
|
.id = 0,
|
|
|
|
.num_resources = ARRAY_SIZE(davinci_nand_resources),
|
|
.resource = davinci_nand_resources,
|
|
|
|
.dev = {
|
|
.platform_data = &davinci_nand_data,
|
|
},
|
|
};
|
|
|
|
static struct davinci_i2c_platform_data i2c_pdata = {
|
|
.bus_freq = 400 /* kHz */,
|
|
.bus_delay = 0 /* usec */,
|
|
};
|
|
|
|
static struct snd_platform_data dm355_evm_snd_data;
|
|
|
|
static int dm355evm_mmc_gpios = -EINVAL;
|
|
|
|
static void dm355evm_mmcsd_gpios(unsigned gpio)
|
|
{
|
|
gpio_request(gpio + 0, "mmc0_ro");
|
|
gpio_request(gpio + 1, "mmc0_cd");
|
|
gpio_request(gpio + 2, "mmc1_ro");
|
|
gpio_request(gpio + 3, "mmc1_cd");
|
|
|
|
/* we "know" these are input-only so we don't
|
|
* need to call gpio_direction_input()
|
|
*/
|
|
|
|
dm355evm_mmc_gpios = gpio;
|
|
}
|
|
|
|
static struct i2c_board_info dm355evm_i2c_info[] = {
|
|
{ I2C_BOARD_INFO("dm355evm_msp", 0x25),
|
|
.platform_data = dm355evm_mmcsd_gpios,
|
|
},
|
|
/* { plus irq }, */
|
|
{ I2C_BOARD_INFO("tlv320aic33", 0x1b), },
|
|
};
|
|
|
|
static void __init evm_init_i2c(void)
|
|
{
|
|
davinci_init_i2c(&i2c_pdata);
|
|
|
|
gpio_request(5, "dm355evm_msp");
|
|
gpio_direction_input(5);
|
|
dm355evm_i2c_info[0].irq = gpio_to_irq(5);
|
|
|
|
i2c_register_board_info(1, dm355evm_i2c_info,
|
|
ARRAY_SIZE(dm355evm_i2c_info));
|
|
}
|
|
|
|
static struct resource dm355evm_dm9000_rsrc[] = {
|
|
{
|
|
/* addr */
|
|
.start = 0x04014000,
|
|
.end = 0x04014001,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
/* data */
|
|
.start = 0x04014002,
|
|
.end = 0x04014003,
|
|
.flags = IORESOURCE_MEM,
|
|
}, {
|
|
.flags = IORESOURCE_IRQ
|
|
| IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
|
|
},
|
|
};
|
|
|
|
static struct platform_device dm355evm_dm9000 = {
|
|
.name = "dm9000",
|
|
.id = -1,
|
|
.resource = dm355evm_dm9000_rsrc,
|
|
.num_resources = ARRAY_SIZE(dm355evm_dm9000_rsrc),
|
|
};
|
|
|
|
static struct tvp514x_platform_data tvp5146_pdata = {
|
|
.clk_polarity = 0,
|
|
.hs_polarity = 1,
|
|
.vs_polarity = 1
|
|
};
|
|
|
|
#define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
|
|
/* Inputs available at the TVP5146 */
|
|
static struct v4l2_input tvp5146_inputs[] = {
|
|
{
|
|
.index = 0,
|
|
.name = "Composite",
|
|
.type = V4L2_INPUT_TYPE_CAMERA,
|
|
.std = TVP514X_STD_ALL,
|
|
},
|
|
{
|
|
.index = 1,
|
|
.name = "S-Video",
|
|
.type = V4L2_INPUT_TYPE_CAMERA,
|
|
.std = TVP514X_STD_ALL,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* this is the route info for connecting each input to decoder
|
|
* ouput that goes to vpfe. There is a one to one correspondence
|
|
* with tvp5146_inputs
|
|
*/
|
|
static struct vpfe_route tvp5146_routes[] = {
|
|
{
|
|
.input = INPUT_CVBS_VI2B,
|
|
.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
|
|
},
|
|
{
|
|
.input = INPUT_SVIDEO_VI2C_VI1C,
|
|
.output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
|
|
},
|
|
};
|
|
|
|
static struct vpfe_subdev_info vpfe_sub_devs[] = {
|
|
{
|
|
.name = "tvp5146",
|
|
.grp_id = 0,
|
|
.num_inputs = ARRAY_SIZE(tvp5146_inputs),
|
|
.inputs = tvp5146_inputs,
|
|
.routes = tvp5146_routes,
|
|
.can_route = 1,
|
|
.ccdc_if_params = {
|
|
.if_type = VPFE_BT656,
|
|
.hdpol = VPFE_PINPOL_POSITIVE,
|
|
.vdpol = VPFE_PINPOL_POSITIVE,
|
|
},
|
|
.board_info = {
|
|
I2C_BOARD_INFO("tvp5146", 0x5d),
|
|
.platform_data = &tvp5146_pdata,
|
|
},
|
|
}
|
|
};
|
|
|
|
static struct vpfe_config vpfe_cfg = {
|
|
.num_subdevs = ARRAY_SIZE(vpfe_sub_devs),
|
|
.sub_devs = vpfe_sub_devs,
|
|
.card_name = "DM355 EVM",
|
|
.ccdc = "DM355 CCDC",
|
|
};
|
|
|
|
static struct platform_device *davinci_evm_devices[] __initdata = {
|
|
&dm355evm_dm9000,
|
|
&davinci_nand_device,
|
|
};
|
|
|
|
static struct davinci_uart_config uart_config __initdata = {
|
|
.enabled_uarts = (1 << 0),
|
|
};
|
|
|
|
static void __init dm355_evm_map_io(void)
|
|
{
|
|
/* setup input configuration for VPFE input devices */
|
|
dm355_set_vpfe_config(&vpfe_cfg);
|
|
dm355_init();
|
|
}
|
|
|
|
static int dm355evm_mmc_get_cd(int module)
|
|
{
|
|
if (!gpio_is_valid(dm355evm_mmc_gpios))
|
|
return -ENXIO;
|
|
/* low == card present */
|
|
return !gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 1);
|
|
}
|
|
|
|
static int dm355evm_mmc_get_ro(int module)
|
|
{
|
|
if (!gpio_is_valid(dm355evm_mmc_gpios))
|
|
return -ENXIO;
|
|
/* high == card's write protect switch active */
|
|
return gpio_get_value_cansleep(dm355evm_mmc_gpios + 2 * module + 0);
|
|
}
|
|
|
|
static struct davinci_mmc_config dm355evm_mmc_config = {
|
|
.get_cd = dm355evm_mmc_get_cd,
|
|
.get_ro = dm355evm_mmc_get_ro,
|
|
.wires = 4,
|
|
.max_freq = 50000000,
|
|
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
|
|
.version = MMC_CTLR_VERSION_1,
|
|
};
|
|
|
|
/* Don't connect anything to J10 unless you're only using USB host
|
|
* mode *and* have to do so with some kind of gender-bender. If
|
|
* you have proper Mini-B or Mini-A cables (or Mini-A adapters)
|
|
* the ID pin won't need any help.
|
|
*/
|
|
#ifdef CONFIG_USB_MUSB_PERIPHERAL
|
|
#define USB_ID_VALUE 0 /* ID pulled high; *should* float */
|
|
#else
|
|
#define USB_ID_VALUE 1 /* ID pulled low */
|
|
#endif
|
|
|
|
static struct spi_eeprom at25640a = {
|
|
.byte_len = SZ_64K / 8,
|
|
.name = "at25640a",
|
|
.page_size = 32,
|
|
.flags = EE_ADDR2,
|
|
};
|
|
|
|
static struct spi_board_info dm355_evm_spi_info[] __initconst = {
|
|
{
|
|
.modalias = "at25",
|
|
.platform_data = &at25640a,
|
|
.max_speed_hz = 10 * 1000 * 1000, /* at 3v3 */
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.mode = SPI_MODE_0,
|
|
},
|
|
};
|
|
|
|
static __init void dm355_evm_init(void)
|
|
{
|
|
struct clk *aemif;
|
|
|
|
gpio_request(1, "dm9000");
|
|
gpio_direction_input(1);
|
|
dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
|
|
|
|
aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
|
|
if (IS_ERR(aemif))
|
|
WARN("%s: unable to get AEMIF clock\n", __func__);
|
|
else
|
|
clk_enable(aemif);
|
|
|
|
platform_add_devices(davinci_evm_devices,
|
|
ARRAY_SIZE(davinci_evm_devices));
|
|
evm_init_i2c();
|
|
davinci_serial_init(&uart_config);
|
|
|
|
/* NOTE: NAND flash timings set by the UBL are slower than
|
|
* needed by MT29F16G08FAA chips ... EMIF.A1CR is 0x40400204
|
|
* but could be 0x0400008c for about 25% faster page reads.
|
|
*/
|
|
|
|
gpio_request(2, "usb_id_toggle");
|
|
gpio_direction_output(2, USB_ID_VALUE);
|
|
/* irlml6401 switches over 1A in under 8 msec */
|
|
setup_usb(500, 8);
|
|
|
|
davinci_setup_mmc(0, &dm355evm_mmc_config);
|
|
davinci_setup_mmc(1, &dm355evm_mmc_config);
|
|
|
|
dm355_init_spi0(BIT(0), dm355_evm_spi_info,
|
|
ARRAY_SIZE(dm355_evm_spi_info));
|
|
|
|
/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
|
|
dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data);
|
|
}
|
|
|
|
static __init void dm355_evm_irq_init(void)
|
|
{
|
|
davinci_irq_init();
|
|
}
|
|
|
|
MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
|
|
.phys_io = IO_PHYS,
|
|
.io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
|
|
.boot_params = (0x80000100),
|
|
.map_io = dm355_evm_map_io,
|
|
.init_irq = dm355_evm_irq_init,
|
|
.timer = &davinci_timer,
|
|
.init_machine = dm355_evm_init,
|
|
MACHINE_END
|