diff options
Diffstat (limited to 'arch/arm/mach-davinci/board-dm355-leopard.c')
-rw-r--r-- | arch/arm/mach-davinci/board-dm355-leopard.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c deleted file mode 100644 index 32b9d607d025..000000000000 --- a/arch/arm/mach-davinci/board-dm355-leopard.c +++ /dev/null @@ -1,278 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * DM355 leopard board support - * - * Based on board-dm355-evm.c - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/err.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/rawnand.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <linux/clk.h> -#include <linux/spi/spi.h> -#include <linux/spi/eeprom.h> -#include <linux/platform_data/i2c-davinci.h> -#include <linux/platform_data/mmc-davinci.h> -#include <linux/platform_data/mtd-davinci.h> -#include <linux/platform_data/usb-davinci.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> - -#include "common.h" -#include "serial.h" -#include "davinci.h" - -/* 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 = { - .core_chipsel = 0, - .mask_chipsel = BIT(14), - .parts = davinci_nand_partitions, - .nr_parts = ARRAY_SIZE(davinci_nand_partitions), - .engine_type = NAND_ECC_ENGINE_TYPE_ON_HOST, - .ecc_placement = NAND_ECC_PLACEMENT_INTERLEAVED, - .ecc_bits = 4, - .bbt_options = NAND_BBT_USE_FLASH, -}; - -static struct resource davinci_nand_resources[] = { - { - .start = DM355_ASYNC_EMIF_DATA_CE0_BASE, - .end = DM355_ASYNC_EMIF_DATA_CE0_BASE + SZ_32M - 1, - .flags = IORESOURCE_MEM, - }, { - .start = DM355_ASYNC_EMIF_CONTROL_BASE, - .end = DM355_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 void __init dm355_leopard_map_io(void) -{ - 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. - */ -#define USB_ID_VALUE 1 /* ID pulled low */ - -static struct spi_eeprom at25640a = { - .byte_len = SZ_64K / 8, - .name = "at25640a", - .page_size = 32, - .flags = EE_ADDR2, -}; - -static const 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; - int ret; - - dm355_register_clocks(); - - ret = dm355_gpio_register(); - if (ret) - pr_warn("%s: GPIO init failed: %d\n", __func__, ret); - - gpio_request(9, "dm9000"); - gpio_direction_input(9); - dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9); - - aemif = clk_get(&dm355leopard_dm9000.dev, "aemif"); - if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n")) - clk_prepare_enable(aemif); - - platform_add_devices(davinci_leopard_devices, - ARRAY_SIZE(davinci_leopard_devices)); - leopard_init_i2c(); - davinci_serial_init(dm355_serial_device); - - /* 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 */ - davinci_setup_usb(1000, 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)); -} - -MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard") - .atag_offset = 0x100, - .map_io = dm355_leopard_map_io, - .init_irq = dm355_init_irq, - .init_time = dm355_init_time, - .init_machine = dm355_leopard_init, - .init_late = davinci_init_late, - .dma_zone_size = SZ_128M, -MACHINE_END |