Release 4.11 arch/arm/mach-davinci/board-dm644x-evm.c
/*
* TI DaVinci EVM board support
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 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/init.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/i2c/pcf857x.h>
#include <linux/platform_data/at24.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/phy.h>
#include <linux/clk.h>
#include <linux/videodev2.h>
#include <linux/v4l2-dv-timings.h>
#include <linux/export.h>
#include <linux/leds.h>
#include <media/i2c/tvp514x.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <mach/common.h>
#include <linux/platform_data/i2c-davinci.h>
#include <mach/serial.h>
#include <mach/mux.h>
#include <linux/platform_data/mtd-davinci.h>
#include <linux/platform_data/mmc-davinci.h>
#include <linux/platform_data/usb-davinci.h>
#include <linux/platform_data/mtd-davinci-aemif.h>
#include "davinci.h"
#define DM644X_EVM_PHY_ID "davinci_mdio-0:01"
#define LXT971_PHY_ID (0x001378e2)
#define LXT971_PHY_MASK (0xfffffff0)
static struct mtd_partition davinci_evm_norflash_partitions[] = {
/* bootloader (UBL, U-Boot, etc) in first 5 sectors */
{
.name = "bootloader",
.offset = 0,
.size = 5 * SZ_64K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next 1 sectors */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_64K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* file system */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data davinci_evm_norflash_data = {
.width = 2,
.parts = davinci_evm_norflash_partitions,
.nr_parts = ARRAY_SIZE(davinci_evm_norflash_partitions),
};
/* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
* limits addresses to 16M, so using addresses past 16M will wrap */
static struct resource davinci_evm_norflash_resource = {
.start = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
.end = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device davinci_evm_norflash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &davinci_evm_norflash_data,
},
.num_resources = 1,
.resource = &davinci_evm_norflash_resource,
};
/* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
* It may used instead of the (default) NOR chip to boot, using TI's
* tools to install the secondary boot loader (UBL) and U-Boot.
*/
static struct mtd_partition davinci_evm_nandflash_partition[] = {
/* Bootloader layout depends on whose u-boot is installed, but we
* can hide all the details.
* - block 0 for u-boot environment ... in mainline u-boot
* - block 1 for UBL (plus up to four backup copies in blocks 2..5)
* - blocks 6...? for u-boot
* - blocks 16..23 for u-boot environment ... in TI's u-boot
*/
{
.name = "bootloader",
.offset = 0,
.size = SZ_256K + SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* Kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
.mask_flags = 0,
},
/* File system (older GIT kernels started this on the 5MB mark) */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0,
}
/* A few blocks at end hold a flash BBT ... created by TI's CCS
* using flashwriter_nand.out, but ignored by TI's versions of
* Linux and u-boot. We boot faster by using them.
*/
};
static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
.wsetup = 20,
.wstrobe = 40,
.whold = 20,
.rsetup = 10,
.rstrobe = 40,
.rhold = 10,
.ta = 40,
};
static struct davinci_nand_pdata davinci_evm_nandflash_data = {
.parts = davinci_evm_nandflash_partition,
.nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition),
.ecc_mode = NAND_ECC_HW,
.ecc_bits = 1,
.bbt_options = NAND_BBT_USE_FLASH,
.timing = &davinci_evm_nandflash_timing,
};
static struct resource davinci_evm_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_evm_nandflash_device = {
.name = "davinci_nand",
.id = 0,
.dev = {
.platform_data = &davinci_evm_nandflash_data,
},
.num_resources = ARRAY_SIZE(davinci_evm_nandflash_resource),
.resource = davinci_evm_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 tvp514x_platform_data dm644xevm_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 dm644xevm_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 dm644xevm_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 dm644xevm_vpfe_sub_devs[] = {
{
.name = "tvp5146",
.grp_id = 0,
.num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs),
.inputs = dm644xevm_tvp5146_inputs,
.routes = dm644xevm_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 = &dm644xevm_tvp5146_pdata,
},
},
};
static struct vpfe_config dm644xevm_capture_cfg = {
.num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs),
.i2c_adapter_id = 1,
.sub_devs = dm644xevm_vpfe_sub_devs,
.card_name = "DM6446 EVM",
.ccdc = "DM6446 CCDC",
};
static struct platform_device rtc_dev = {
.name = "rtc_davinci_evm",
.id = -1,
};
/*----------------------------------------------------------------------*/
#ifdef CONFIG_I2C
/*
* I2C GPIO expanders
*/
#define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
/* U2 -- LEDs */
static struct gpio_led evm_leds[] = {
{ .name = "DS8", .active_low = 1,
.default_trigger = "heartbeat", },
{ .name = "DS7", .active_low = 1, },
{ .name = "DS6", .active_low = 1, },
{ .name = "DS5", .active_low = 1, },
{ .name = "DS4", .active_low = 1, },
{ .name = "DS3", .active_low = 1, },
{ .name = "DS2", .active_low = 1,
.default_trigger = "mmc0", },
{ .name = "DS1", .active_low = 1,
.default_trigger = "disk-activity", },
};
static const struct gpio_led_platform_data evm_led_data = {
.num_leds = ARRAY_SIZE(evm_leds),
.leds = evm_leds,
};
static struct platform_device *evm_led_dev;
static int
evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
struct gpio_led *leds = evm_leds;
int status;
while (ngpio--) {
leds->gpio = gpio++;
leds++;
}
/* what an extremely annoying way to be forced to handle
* device unregistration ...
*/
evm_led_dev = platform_device_alloc("leds-gpio", 0);
platform_device_add_data(evm_led_dev,
&evm_led_data, sizeof evm_led_data);
evm_led_dev->dev.parent = &client->dev;
status = platform_device_add(evm_led_dev);
if (status < 0) {
platform_device_put(evm_led_dev);
evm_led_dev = NULL;
}
return status;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 107 | 100.00% | 1 | 100.00% |
| Total | 107 | 100.00% | 1 | 100.00% |
static int
evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
if (evm_led_dev) {
platform_device_unregister(evm_led_dev);
evm_led_dev = NULL;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 39 | 100.00% | 1 | 100.00% |
| Total | 39 | 100.00% | 1 | 100.00% |
static struct pcf857x_platform_data pcf_data_u2 = {
.gpio_base = PCF_Uxx_BASE(0),
.setup = evm_led_setup,
.teardown = evm_led_teardown,
};
/* U18 - A/V clock generator and user switch */
static int sw_gpio;
static ssize_t
sw_show(struct device *d, struct device_attribute *a, char *buf)
{
char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
strcpy(buf, s);
return strlen(s);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
static int
evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
int status;
/* export dip switch option */
sw_gpio = gpio + 7;
status = gpio_request(sw_gpio, "user_sw");
if (status == 0)
status = gpio_direction_input(sw_gpio);
if (status == 0)
status = device_create_file(&client->dev, &dev_attr_user_sw);
else
gpio_free(sw_gpio);
if (status != 0)
sw_gpio = -EINVAL;
/* audio PLL: 48 kHz (vs 44.1 or 32), single rate (vs double) */
gpio_request(gpio + 3, "pll_fs2");
gpio_direction_output(gpio + 3, 0);
gpio_request(gpio + 2, "pll_fs1");
gpio_direction_output(gpio + 2, 0);
gpio_request(gpio + 1, "pll_sr");
gpio_direction_output(gpio + 1, 0);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 147 | 100.00% | 1 | 100.00% |
| Total | 147 | 100.00% | 1 | 100.00% |
static int
evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
gpio_free(gpio + 1);
gpio_free(gpio + 2);
gpio_free(gpio + 3);
if (sw_gpio > 0) {
device_remove_file(&client->dev, &dev_attr_user_sw);
gpio_free(sw_gpio);
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 69 | 100.00% | 1 | 100.00% |
| Total | 69 | 100.00% | 1 | 100.00% |
static struct pcf857x_platform_data pcf_data_u18 = {
.gpio_base = PCF_Uxx_BASE(1),
.n_latch = (1 << 3) | (1 << 2) | (1 << 1),
.setup = evm_u18_setup,
.teardown = evm_u18_teardown,
};
/* U35 - various I/O signals used to manage USB, CF, ATA, etc */
static int
evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
/* p0 = nDRV_VBUS (initial: don't supply it) */
gpio_request(gpio + 0, "nDRV_VBUS");
gpio_direction_output(gpio + 0, 1);
/* p1 = VDDIMX_EN */
gpio_request(gpio + 1, "VDDIMX_EN");
gpio_direction_output(gpio + 1, 1);
/* p2 = VLYNQ_EN */
gpio_request(gpio + 2, "VLYNQ_EN");
gpio_direction_output(gpio + 2, 1);
/* p3 = n3V3_CF_RESET (initial: stay in reset) */
gpio_request(gpio + 3, "nCF_RESET");
gpio_direction_output(gpio + 3, 0);
/* (p4 unused) */
/* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
gpio_request(gpio + 5, "WLAN_RESET");
gpio_direction_output(gpio + 5, 1);
/* p6 = nATA_SEL (initial: select) */
gpio_request(gpio + 6, "nATA_SEL");
gpio_direction_output(gpio + 6, 0);
/* p7 = nCF_SEL (initial: deselect) */
gpio_request(gpio + 7, "nCF_SEL");
gpio_direction_output(gpio + 7, 1);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 158 | 100.00% | 1 | 100.00% |
| Total | 158 | 100.00% | 1 | 100.00% |
static int
evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
{
gpio_free(gpio + 7);
gpio_free(gpio + 6);
gpio_free(gpio + 5);
gpio_free(gpio + 3);
gpio_free(gpio + 2);
gpio_free(gpio + 1);
gpio_free(gpio + 0);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 73 | 100.00% | 1 | 100.00% |
| Total | 73 | 100.00% | 1 | 100.00% |
static struct pcf857x_platform_data pcf_data_u35 = {
.gpio_base = PCF_Uxx_BASE(2),
.setup = evm_u35_setup,
.teardown = evm_u35_teardown,
};
/*----------------------------------------------------------------------*/
/* Most of this EEPROM is unused, but U-Boot uses some data:
* - 0x7f00, 6 bytes Ethernet Address
* - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
* - ... newer boards may have more
*/
static struct at24_platform_data eeprom_info = {
.byte_len = (256*1024) / 8,
.page_size = 64,
.flags = AT24_FLAG_ADDR16,
.setup = davinci_get_mac_addr,
.context = (void *)0x7f00,
};
/*
* MSP430 supports RTC, card detection, input from IR remote, and
* a bit more. It triggers interrupts on GPIO(7) from pressing
* buttons on the IR remote, and for card detect switches.
*/
static struct i2c_client *dm6446evm_msp;
static int dm6446evm_msp_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
dm6446evm_msp = client;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
static int dm6446evm_msp_remove(struct i2c_client *client)
{
dm6446evm_msp = NULL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
static const struct i2c_device_id dm6446evm_msp_ids[] = {
{ "dm6446evm_msp", 0, },
{ /* end of list */ },
};
static struct i2c_driver dm6446evm_msp_driver = {
.driver.name = "dm6446evm_msp",
.id_table = dm6446evm_msp_ids,
.probe = dm6446evm_msp_probe,
.remove = dm6446evm_msp_remove,
};
static int dm6444evm_msp430_get_pins(void)
{
static const char txbuf[2] = { 2, 4, };
char buf[4];
struct i2c_msg msg[2] = {
{
.flags = 0,
.len = 2,
.buf = (void __force *)txbuf,
},
{
.flags = I2C_M_RD,
.len = 4,
.buf = buf,
},
};
int status;
if (!dm6446evm_msp)
return -ENXIO;
msg[0].addr = dm6446evm_msp->addr;
msg[1].addr = dm6446evm_msp->addr;
/* Command 4 == get input state, returns port 2 and port3 data
* S Addr W [A] len=2 [A] cmd=4 [A]
* RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
*/
status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
if (status < 0)
return status;
dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf);
return (buf[3] << 8) | buf[2];
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 137 | 85.62% | 1 | 33.33% |
| Wei Yongjun | 22 | 13.75% | 1 | 33.33% |
| Andy Shevchenko | 1 | 0.62% | 1 | 33.33% |
| Total | 160 | 100.00% | 3 | 100.00% |
static int dm6444evm_mmc_get_cd(int module)
{
int status = dm6444evm_msp430_get_pins();
return (status < 0) ? status : !(status & BIT(1));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 34 | 100.00% | 1 | 100.00% |
| Total | 34 | 100.00% | 1 | 100.00% |
static int dm6444evm_mmc_get_ro(int module)
{
int status = dm6444evm_msp430_get_pins();
return (status < 0) ? status : status & BIT(6 + 8);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 33 | 100.00% | 1 | 100.00% |
| Total | 33 | 100.00% | 1 | 100.00% |
static struct davinci_mmc_config dm6446evm_mmc_config = {
.get_cd = dm6444evm_mmc_get_cd,
.get_ro = dm6444evm_mmc_get_ro,
.wires = 4,
};
static struct i2c_board_info __initdata i2c_info[] = {
{
I2C_BOARD_INFO("dm6446evm_msp", 0x23),
},
{
I2C_BOARD_INFO("pcf8574", 0x38),
.platform_data = &pcf_data_u2,
},
{
I2C_BOARD_INFO("pcf8574", 0x39),
.platform_data = &pcf_data_u18,
},
{
I2C_BOARD_INFO("pcf8574", 0x3a),
.platform_data = &pcf_data_u35,
},
{
I2C_BOARD_INFO("24c256", 0x50),
.platform_data = &eeprom_info,
},
{
I2C_BOARD_INFO("tlv320aic33", 0x1b),
},
};
/* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
* which requires 100 usec of idle bus after i2c writes sent to it.
*/
static struct davinci_i2c_platform_data i2c_pdata = {
.bus_freq = 20 /* kHz */,
.bus_delay = 100 /* usec */,
.sda_pin = 44,
.scl_pin = 43,
};
static void __init evm_init_i2c(void)
{
davinci_init_i2c(&i2c_pdata);
i2c_add_driver(&dm6446evm_msp_driver);
i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 27 | 81.82% | 1 | 50.00% |
| Kevin Hilman | 6 | 18.18% | 1 | 50.00% |
| Total | 33 | 100.00% | 2 | 100.00% |
#endif
#define VENC_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
/* venc standard timings */
static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
{
.name = "ntsc",
.timings_type = VPBE_ENC_STD,
.std_id = V4L2_STD_NTSC,
.interlaced = 1,
.xres = 720,
.yres = 480,
.aspect = {11, 10},
.fps = {30000, 1001},
.left_margin = 0x79,
.upper_margin = 0x10,
},
{
.name = "pal",
.timings_type = VPBE_ENC_STD,
.std_id = V4L2_STD_PAL,
.interlaced = 1,
.xres = 720,
.yres = 576,
.aspect = {54, 59},
.fps = {25, 1},
.left_margin = 0x7e,
.upper_margin = 0x16,
},
};
/* venc dv preset timings */
static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
{
.name = "480p59_94",
.timings_type = VPBE_ENC_DV_TIMINGS,
.dv_timings = V4L2_DV_BT_CEA_720X480P59_94,
.interlaced = 0,
.xres = 720,
.yres = 480,
.aspect = {1, 1},
.fps = {5994, 100},
.left_margin = 0x80,
.upper_margin = 0x20,
},
{
.name = "576p50",
.timings_type = VPBE_ENC_DV_TIMINGS,
.dv_timings = V4L2_DV_BT_CEA_720X576P50,
.interlaced = 0,
.xres = 720,
.yres = 576,
.aspect = {1, 1},
.fps = {50, 1},
.left_margin = 0x7e,
.upper_margin = 0x30,
},
};
/*
* The outputs available from VPBE + encoders. Keep the order same
* as that of encoders. First those from venc followed by that from
* encoders. Index in the output refers to index on a particular encoder.
* Driver uses this index to pass it to encoder when it supports more
* than one output. Userspace applications use index of the array to
* set an output.
*/
static struct vpbe_output dm644xevm_vpbe_outputs[] = {
{
.output = {
.index = 0,
.name = "Composite",
.type = V4L2_OUTPUT_TYPE_ANALOG,
.std = VENC_STD_ALL,
.capabilities = V4L2_OUT_CAP_STD,
},
.subdev_name = DM644X_VPBE_VENC_SUBDEV_NAME,
.default_mode = "ntsc",
.num_modes = ARRAY_SIZE(dm644xevm_enc_std_timing),
.modes = dm644xevm_enc_std_timing,
},
{
.output = {
.index = 1,
.name = "Component",
.type = V4L2_OUTPUT_TYPE_ANALOG,
.capabilities = V4L2_OUT_CAP_DV_TIMINGS,
},
.subdev_name = DM644X_VPBE_VENC_SUBDEV_NAME,
.default_mode = "480p59_94",
.num_modes = ARRAY_SIZE(dm644xevm_enc_preset_timing),
.modes = dm644xevm_enc_preset_timing,
},
};
static struct vpbe_config dm644xevm_display_cfg = {
.module_name = "dm644x-vpbe-display",
.i2c_adapter_id = 1,
.osd = {
.module_name = DM644X_VPBE_OSD_SUBDEV_NAME,
},
.venc = {
.module_name = DM644X_VPBE_VENC_SUBDEV_NAME,
},
.num_outputs = ARRAY_SIZE(dm644xevm_vpbe_outputs),
.outputs = dm644xevm_vpbe_outputs,
};
static struct platform_device *davinci_evm_devices[] __initdata = {
&davinci_fb_device,
&rtc_dev,
};
static void __init
davinci_evm_map_io(void)
{
dm644x_init();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 9 | 75.00% | 1 | 50.00% |
| Kevin Hilman | 3 | 25.00% | 1 | 50.00% |
| Total | 12 | 100.00% | 2 | 100.00% |
static int davinci_phy_fixup(struct phy_device *phydev)
{
unsigned int control;
/* CRITICAL: Fix for increasing PHY signal drive strength for
* TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
* signal strength was low causing TX to fail randomly. The
* fix is to Set bit 11 (Increased MII drive strength) of PHY
* register 26 (Digital Config register) on this phy. */
control = phy_read(phydev, 26);
phy_write(phydev, 26, (control | 0x800));
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 37 | 90.24% | 1 | 50.00% |
| David Brownell | 4 | 9.76% | 1 | 50.00% |
| Total | 41 | 100.00% | 2 | 100.00% |
#define HAS_ATA IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
#define HAS_NOR IS_ENABLED(CONFIG_MTD_PHYSMAP)
#define HAS_NAND IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
static __init void davinci_evm_init(void)
{
int ret;
struct clk *aemif_clk;
struct davinci_soc_info *soc_info = &davinci_soc_info;
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 || HAS_NOR)
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 || HAS_NOR) {
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_evm_nandflash_device);
if (davinci_aemif_setup(&davinci_evm_nandflash_device))
pr_warn("%s: Cannot configure AEMIF\n",
__func__);
#ifdef CONFIG_I2C
evm_leds[7].default_trigger = "nand-disk";
#endif
if (HAS_NOR)
pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
} else if (HAS_NOR)
platform_device_register(&davinci_evm_norflash_device);
}
platform_add_devices(davinci_evm_devices,
ARRAY_SIZE(davinci_evm_devices));
#ifdef CONFIG_I2C
evm_init_i2c();
davinci_setup_mmc(0, &dm6446evm_mmc_config);
#endif
dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
davinci_serial_init(dm644x_serial_device);
dm644x_init_asp();
/* irlml6401 switches over 1A, in under 8 msec */
davinci_setup_usb(1000, 8);
if (IS_BUILTIN(CONFIG_PHYLIB)) {
soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
/* Register the fixup for PHY on DaVinci */
phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
davinci_phy_fixup);
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Kevin Hilman | 124 | 52.32% | 3 | 15.00% |
| Philip Avinash | 21 | 8.86% | 1 | 5.00% |
| Arnd Bergmann | 19 | 8.02% | 2 | 10.00% |
| Mark A. Greer | 14 | 5.91% | 1 | 5.00% |
| Ivan Khoronzhuk | 14 | 5.91% | 1 | 5.00% |
| David Brownell | 13 | 5.49% | 1 | 5.00% |
| Sergei Shtylyov | 10 | 4.22% | 2 | 10.00% |
| Manjunath Hadli | 9 | 3.80% | 3 | 15.00% |
| Joe Perches | 6 | 2.53% | 1 | 5.00% |
| Chaithrika U S | 2 | 0.84% | 1 | 5.00% |
| Cyril Chemparathy | 2 | 0.84% | 1 | 5.00% |
| Murali Karicheri | 1 | 0.42% | 1 | 5.00% |
| Petr Kulhavy | 1 | 0.42% | 1 | 5.00% |
| Prakash Manjunathappa | 1 | 0.42% | 1 | 5.00% |
| Total | 237 | 100.00% | 20 | 100.00% |
MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
/* Maintainer: MontaVista Software <source@mvista.com> */
.atag_offset = 0x100,
.map_io = davinci_evm_map_io,
.init_irq = davinci_irq_init,
.init_time = davinci_timer_init,
.init_machine = davinci_evm_init,
.init_late = davinci_init_late,
.dma_zone_size = SZ_128M,
.restart = davinci_restart,
MACHINE_END
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Brownell | 1195 | 38.57% | 2 | 3.39% |
| Kevin Hilman | 976 | 31.50% | 5 | 8.47% |
| Manjunath Hadli | 434 | 14.01% | 5 | 8.47% |
| Murali Karicheri | 219 | 7.07% | 2 | 3.39% |
| Sekhar Nori | 61 | 1.97% | 4 | 6.78% |
| Arnd Bergmann | 29 | 0.94% | 3 | 5.08% |
| Mark A. Greer | 24 | 0.77% | 2 | 3.39% |
| Wei Yongjun | 22 | 0.71% | 1 | 1.69% |
| Philip Avinash | 21 | 0.68% | 1 | 1.69% |
| Sergei Shtylyov | 18 | 0.58% | 4 | 6.78% |
| Ivan Khoronzhuk | 14 | 0.45% | 1 | 1.69% |
| Hans Verkuil | 11 | 0.36% | 2 | 3.39% |
| Chaithrika U S | 10 | 0.32% | 2 | 3.39% |
| Philby John | 10 | 0.32% | 1 | 1.69% |
| Lad Prabhakar | 10 | 0.32% | 4 | 6.78% |
| Nico Pitre | 6 | 0.19% | 2 | 3.39% |
| Joe Perches | 6 | 0.19% | 1 | 1.69% |
| Shawn Guo | 5 | 0.16% | 1 | 1.69% |
| Vaibhav Hiremath | 5 | 0.16% | 1 | 1.69% |
| Cyril Chemparathy | 4 | 0.13% | 2 | 3.39% |
| Ulf Hansson | 3 | 0.10% | 1 | 1.69% |
| Paul Gortmaker | 3 | 0.10% | 1 | 1.69% |
| Prakash Manjunathappa | 2 | 0.06% | 2 | 3.39% |
| Brian Norris | 2 | 0.06% | 2 | 3.39% |
| Stephen Warren | 2 | 0.06% | 1 | 1.69% |
| Stephan Linz | 1 | 0.03% | 1 | 1.69% |
| Mauro Carvalho Chehab | 1 | 0.03% | 1 | 1.69% |
| Andy Shevchenko | 1 | 0.03% | 1 | 1.69% |
| Russell King | 1 | 0.03% | 1 | 1.69% |
| Petr Kulhavy | 1 | 0.03% | 1 | 1.69% |
| Vivien Didelot | 1 | 0.03% | 1 | 1.69% |
| Total | 3098 | 100.00% | 59 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.