Koen Kooi <[email protected]> writes:
> The dm355 leopard board is meant to be a low-cost IP netcam. It has
> ethernet, USB OTG and SD support, as well as the ability to use
> different sensor boards.
> It is being promoted as "beagle buddy" to be used as a companion to the
> OMAP3 beagleboard.
>
> Signed-off-by: Koen Kooi <[email protected]>
Thanks, pushed.
Kevin
> ---
> arch/arm/mach-davinci/Kconfig | 8 +
> arch/arm/mach-davinci/Makefile | 2 +
> arch/arm/mach-davinci/board-dm355-leopard.c | 295
> +++++++++++++++++++++++++++
> 3 files changed, 305 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-davinci/board-dm355-leopard.c
>
> diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
> index 05a80ca..553cb0f 100644
> --- a/arch/arm/mach-davinci/Kconfig
> +++ b/arch/arm/mach-davinci/Kconfig
> @@ -53,6 +53,14 @@ config MACH_SFFSDR
> Say Y here to select the Lyrtech Small Form Factor
> Software Defined Radio (SFFSDR) board.
>
> +config MACH_DM355_LEOPARD
> + bool "DM355 Leopard board"
> + default n
> + depends on ARCH_DAVINCI_DM355
> + help
> + Configure this option to specify the whether the board used
> + for development is a DM355 Leopard board.
> +
> config DAVINCI_MUX
> bool "DAVINCI multiplexing support"
> depends on ARCH_DAVINCI
> diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
> index b3bb132..370a507 100644
> --- a/arch/arm/mach-davinci/Makefile
> +++ b/arch/arm/mach-davinci/Makefile
> @@ -20,3 +20,5 @@ obj-$(CONFIG_MACH_DAVINCI_EVM) += board-dm644x-evm.o
> obj-$(CONFIG_MACH_DAVINCI_DM646X_EVM) += board-dm646x-evm.o
> obj-$(CONFIG_MACH_DAVINCI_DM355_EVM) += board-dm355-evm.o
> obj-$(CONFIG_MACH_SFFSDR) += board-sffsdr.o
> +obj-$(CONFIG_MACH_DM355_LEOPARD) += board-dm355-leopard.o
> +
> diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c
> b/arch/arm/mach-davinci/board-dm355-leopard.c
> new file mode 100644
> index 0000000..c29d30e
> --- /dev/null
> +++ b/arch/arm/mach-davinci/board-dm355-leopard.c
> @@ -0,0 +1,295 @@
> +/*
> + * DM355 leopard board support
> + *
> + * Based on board-dm355-evm.c
> + *
> + * 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/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/emac.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_SYNDROME,
> + .options = NAND_USE_FLASH_BBT,
> +};
> +
> +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 int leopard_mmc_gpio = -EINVAL;
> +
> +static void dm355leopard_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()
> + */
> +
> + leopard_mmc_gpio = gpio;
> +}
> +
> +static struct i2c_board_info dm355leopard_i2c_info[] = {
> + { I2C_BOARD_INFO("dm355leopard_msp", 0x25),
> + .platform_data = dm355leopard_mmcsd_gpios,
> + /* plus irq */ },
> + /* { I2C_BOARD_INFO("tlv320aic3x", 0x1b), }, */
> + /* { I2C_BOARD_INFO("tvp5146", 0x5d), }, */
> +};
> +
> +static void __init leopard_init_i2c(void)
> +{
> + davinci_init_i2c(&i2c_pdata);
> +
> + gpio_request(5, "dm355leopard_msp");
> + gpio_direction_input(5);
> + dm355leopard_i2c_info[0].irq = gpio_to_irq(5);
> +
> + i2c_register_board_info(1, dm355leopard_i2c_info,
> + ARRAY_SIZE(dm355leopard_i2c_info));
> +}
> +
> +static struct resource dm355leopard_dm9000_rsrc[] = {
> + {
> + /* addr */
> + .start = 0x04000000,
> + .end = 0x04000001,
> + .flags = IORESOURCE_MEM,
> + }, {
> + /* data */
> + .start = 0x04000016,
> + .end = 0x04000017,
> + .flags = IORESOURCE_MEM,
> + }, {
> + .flags = IORESOURCE_IRQ
> + | IORESOURCE_IRQ_HIGHEDGE /* rising (active high) */,
> + },
> +};
> +
> +static struct platform_device dm355leopard_dm9000 = {
> + .name = "dm9000",
> + .id = -1,
> + .resource = dm355leopard_dm9000_rsrc,
> + .num_resources = ARRAY_SIZE(dm355leopard_dm9000_rsrc),
> +};
> +
> +static struct platform_device *davinci_leopard_devices[] __initdata = {
> + &dm355leopard_dm9000,
> + &davinci_nand_device,
> +};
> +
> +static struct davinci_uart_config uart_config __initdata = {
> + .enabled_uarts = (1 << 0),
> +};
> +
> +static void __init dm355_leopard_map_io(void)
> +{
> + davinci_map_common_io();
> + dm355_init();
> +}
> +
> +static int dm355leopard_mmc_get_cd(int module)
> +{
> + if (!gpio_is_valid(leopard_mmc_gpio))
> + return -ENXIO;
> + /* low == card present */
> + return !gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 1);
> +}
> +
> +static int dm355leopard_mmc_get_ro(int module)
> +{
> + if (!gpio_is_valid(leopard_mmc_gpio))
> + return -ENXIO;
> + /* high == card's write protect switch active */
> + return gpio_get_value_cansleep(leopard_mmc_gpio + 2 * module + 0);
> +}
> +
> +static struct davinci_mmc_config dm355leopard_mmc_config = {
> + .get_cd = dm355leopard_mmc_get_cd,
> + .get_ro = dm355leopard_mmc_get_ro,
> + .wires = 4,
> + .max_freq = 50000000,
> + .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
> +};
> +
> +/* 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_leopard_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_leopard_init(void)
> +{
> + struct clk *aemif;
> +
> + gpio_request(9, "dm9000");
> + gpio_direction_input(9);
> + dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9);
> +
> + aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
> + clk_enable(aemif);
> + clk_put(aemif);
> +
> + platform_add_devices(davinci_leopard_devices,
> + ARRAY_SIZE(davinci_leopard_devices));
> + leopard_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, &dm355leopard_mmc_config);
> + davinci_setup_mmc(1, &dm355leopard_mmc_config);
> +
> + dm355_init_spi0(BIT(0), dm355_leopard_spi_info,
> + ARRAY_SIZE(dm355_leopard_spi_info));
> +}
> +
> +static __init void dm355_leopard_irq_init(void)
> +{
> + davinci_irq_init();
> +}
> +
> +MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
> + .phys_io = IO_PHYS,
> + .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
> + .boot_params = (0x80000100),
> + .map_io = dm355_leopard_map_io,
> + .init_irq = dm355_leopard_irq_init,
> + .timer = &davinci_timer,
> + .init_machine = dm355_leopard_init,
> +MACHINE_END
> --
> 1.5.6.5
>
>
> _______________________________________________
> Davinci-linux-open-source mailing list
> [email protected]
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
_______________________________________________
Davinci-linux-open-source mailing list
[email protected]
http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
