diff options
Diffstat (limited to 'arch/blackfin/mach-bf561/boards/ezkit.c')
| -rw-r--r-- | arch/blackfin/mach-bf561/boards/ezkit.c | 677 |
1 files changed, 677 insertions, 0 deletions
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c new file mode 100644 index 000000000..2de71e8c1 --- /dev/null +++ b/arch/blackfin/mach-bf561/boards/ezkit.c @@ -0,0 +1,677 @@ +/* + * Copyright 2004-2009 Analog Devices Inc. + * 2005 National ICT Australia (NICTA) + * Aidan Williams <aidan@nicta.com.au> + * + * Licensed under the GPL-2 or later. + */ + +#include <linux/device.h> +#include <linux/platform_device.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/spi/spi.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <asm/dma.h> +#include <asm/bfin5xx_spi.h> +#include <asm/portmux.h> +#include <asm/dpmc.h> + +/* + * Name the Board for the /proc/cpuinfo + */ +const char bfin_board_name[] = "ADI BF561-EZKIT"; + +#if IS_ENABLED(CONFIG_USB_ISP1760_HCD) +#include <linux/usb/isp1760.h> +static struct resource bfin_isp1760_resources[] = { + [0] = { + .start = 0x2C0F0000, + .end = 0x203C0000 + 0xfffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_PF10, + .end = IRQ_PF10, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct isp1760_platform_data isp1760_priv = { + .is_isp1761 = 0, + .bus_width_16 = 1, + .port1_otg = 0, + .analog_oc = 0, + .dack_polarity_high = 0, + .dreq_polarity_high = 0, +}; + +static struct platform_device bfin_isp1760_device = { + .name = "isp1760", + .id = 0, + .dev = { + .platform_data = &isp1760_priv, + }, + .num_resources = ARRAY_SIZE(bfin_isp1760_resources), + .resource = bfin_isp1760_resources, +}; +#endif + +#if IS_ENABLED(CONFIG_USB_ISP1362_HCD) +#include <linux/usb/isp1362.h> + +static struct resource isp1362_hcd_resources[] = { + { + .start = 0x2c060000, + .end = 0x2c060000, + .flags = IORESOURCE_MEM, + }, { + .start = 0x2c060004, + .end = 0x2c060004, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PF8, + .end = IRQ_PF8, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, + }, +}; + +static struct isp1362_platform_data isp1362_priv = { + .sel15Kres = 1, + .clknotstop = 0, + .oc_enable = 0, + .int_act_high = 0, + .int_edge_triggered = 0, + .remote_wakeup_connected = 0, + .no_power_switching = 1, + .power_switching_mode = 0, +}; + +static struct platform_device isp1362_hcd_device = { + .name = "isp1362-hcd", + .id = 0, + .dev = { + .platform_data = &isp1362_priv, + }, + .num_resources = ARRAY_SIZE(isp1362_hcd_resources), + .resource = isp1362_hcd_resources, +}; +#endif + +#if IS_ENABLED(CONFIG_USB_NET2272) +static struct resource net2272_bfin_resources[] = { + { + .start = 0x2C000000, + .end = 0x2C000000 + 0x7F, + .flags = IORESOURCE_MEM, + }, { + .start = 1, + .flags = IORESOURCE_BUS, + }, { + .start = IRQ_PF10, + .end = IRQ_PF10, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct platform_device net2272_bfin_device = { + .name = "net2272", + .id = -1, + .num_resources = ARRAY_SIZE(net2272_bfin_resources), + .resource = net2272_bfin_resources, +}; +#endif + +/* + * USB-LAN EzExtender board + * Driver needs to know address, irq and flag pin. + */ +#if IS_ENABLED(CONFIG_SMC91X) +#include <linux/smc91x.h> + +static struct smc91x_platdata smc91x_info = { + .flags = SMC91X_USE_32BIT | SMC91X_NOWAIT, + .leda = RPC_LED_100_10, + .ledb = RPC_LED_TX_RX, +}; + +static struct resource smc91x_resources[] = { + { + .name = "smc91x-regs", + .start = 0x2C010300, + .end = 0x2C010300 + 16, + .flags = IORESOURCE_MEM, + }, { + + .start = IRQ_PF9, + .end = IRQ_PF9, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, + }, +}; + +static struct platform_device smc91x_device = { + .name = "smc91x", + .id = 0, + .num_resources = ARRAY_SIZE(smc91x_resources), + .resource = smc91x_resources, + .dev = { + .platform_data = &smc91x_info, + }, +}; +#endif + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 +static struct resource bfin_uart0_resources[] = { + { + .start = BFIN_UART_THR, + .end = BFIN_UART_GCTL+2, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART_TX, + .end = IRQ_UART_TX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART_RX, + .end = IRQ_UART_RX, + .flags = IORESOURCE_IRQ, + }, + { + .start = IRQ_UART_ERROR, + .end = IRQ_UART_ERROR, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART_TX, + .end = CH_UART_TX, + .flags = IORESOURCE_DMA, + }, + { + .start = CH_UART_RX, + .end = CH_UART_RX, + .flags = IORESOURCE_DMA, + }, +}; + +static unsigned short bfin_uart0_peripherals[] = { + P_UART0_TX, P_UART0_RX, 0 +}; + +static struct platform_device bfin_uart0_device = { + .name = "bfin-uart", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_uart0_resources), + .resource = bfin_uart0_resources, + .dev = { + .platform_data = &bfin_uart0_peripherals, /* Passed to driver */ + }, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_BFIN_SIR) +#ifdef CONFIG_BFIN_SIR0 +static struct resource bfin_sir0_resources[] = { + { + .start = 0xFFC00400, + .end = 0xFFC004FF, + .flags = IORESOURCE_MEM, + }, + { + .start = IRQ_UART0_RX, + .end = IRQ_UART0_RX+1, + .flags = IORESOURCE_IRQ, + }, + { + .start = CH_UART0_RX, + .end = CH_UART0_RX+1, + .flags = IORESOURCE_DMA, + }, +}; + +static struct platform_device bfin_sir0_device = { + .name = "bfin_sir", + .id = 0, + .num_resources = ARRAY_SIZE(bfin_sir0_resources), + .resource = bfin_sir0_resources, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) +static struct mtd_partition ezkit_partitions[] = { + { + .name = "bootloader(nor)", + .size = 0x40000, + .offset = 0, + }, { + .name = "linux kernel(nor)", + .size = 0x1C0000, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "file system(nor)", + .size = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "config(nor)", + .size = 0x2000 * 7, + .offset = MTDPART_OFS_APPEND, + }, { + .name = "u-boot env(nor)", + .size = 0x2000, + .offset = MTDPART_OFS_APPEND, + } +}; + +static struct physmap_flash_data ezkit_flash_data = { + .width = 2, + .parts = ezkit_partitions, + .nr_parts = ARRAY_SIZE(ezkit_partitions), +}; + +static struct resource ezkit_flash_resource = { + .start = 0x20000000, + .end = 0x207fffff, + .flags = IORESOURCE_MEM, +}; + +static struct platform_device ezkit_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &ezkit_flash_data, + }, + .num_resources = 1, + .resource = &ezkit_flash_resource, +}; +#endif + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) +/* SPI (0) */ +static struct resource bfin_spi0_resource[] = { + [0] = { + .start = SPI0_REGBASE, + .end = SPI0_REGBASE + 0xFF, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = CH_SPI, + .end = CH_SPI, + .flags = IORESOURCE_DMA, + }, + [2] = { + .start = IRQ_SPI, + .end = IRQ_SPI, + .flags = IORESOURCE_IRQ, + } +}; + +/* SPI controller data */ +static struct bfin5xx_spi_master bfin_spi0_info = { + .num_chipselect = 8, + .enable_dma = 1, /* master has the ability to do dma transfer */ + .pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0}, +}; + +static struct platform_device bfin_spi0_device = { + .name = "bfin-spi", + .id = 0, /* Bus number */ + .num_resources = ARRAY_SIZE(bfin_spi0_resource), + .resource = bfin_spi0_resource, + .dev = { + .platform_data = &bfin_spi0_info, /* Passed to driver */ + }, +}; +#endif + +static struct spi_board_info bfin_spi_board_info[] __initdata = { +#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X) + { + .modalias = "ad183x", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 4, + .platform_data = "ad1836", /* only includes chip name for the moment */ + .mode = SPI_MODE_3, + }, +#endif +#if IS_ENABLED(CONFIG_SPI_SPIDEV) + { + .modalias = "spidev", + .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 0, + .chip_select = 1, + }, +#endif +}; + +#if IS_ENABLED(CONFIG_KEYBOARD_GPIO) +#include <linux/input.h> +#include <linux/gpio_keys.h> + +static struct gpio_keys_button bfin_gpio_keys_table[] = { + {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"}, + {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"}, + {BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"}, + {BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"}, +}; + +static struct gpio_keys_platform_data bfin_gpio_keys_data = { + .buttons = bfin_gpio_keys_table, + .nbuttons = ARRAY_SIZE(bfin_gpio_keys_table), +}; + +static struct platform_device bfin_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &bfin_gpio_keys_data, + }, +}; +#endif + +#if IS_ENABLED(CONFIG_I2C_GPIO) +#include <linux/i2c-gpio.h> + +static struct i2c_gpio_platform_data i2c_gpio_data = { + .sda_pin = GPIO_PF1, + .scl_pin = GPIO_PF0, + .sda_is_open_drain = 0, + .scl_is_open_drain = 0, + .udelay = 10, +}; + +static struct platform_device i2c_gpio_device = { + .name = "i2c-gpio", + .id = 0, + .dev = { + .platform_data = &i2c_gpio_data, + }, +}; +#endif + +static const unsigned int cclk_vlev_datasheet[] = +{ + VRPAIR(VLEV_085, 250000000), + VRPAIR(VLEV_090, 300000000), + VRPAIR(VLEV_095, 313000000), + VRPAIR(VLEV_100, 350000000), + VRPAIR(VLEV_105, 400000000), + VRPAIR(VLEV_110, 444000000), + VRPAIR(VLEV_115, 450000000), + VRPAIR(VLEV_120, 475000000), + VRPAIR(VLEV_125, 500000000), + VRPAIR(VLEV_130, 600000000), +}; + +static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = { + .tuple_tab = cclk_vlev_datasheet, + .tabsize = ARRAY_SIZE(cclk_vlev_datasheet), + .vr_settling_time = 25 /* us */, +}; + +static struct platform_device bfin_dpmc = { + .name = "bfin dpmc", + .dev = { + .platform_data = &bfin_dmpc_vreg_data, + }, +}; + +#if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE) +#include <linux/videodev2.h> +#include <media/blackfin/bfin_capture.h> +#include <media/blackfin/ppi.h> + +static const unsigned short ppi_req[] = { + P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3, + P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7, + P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2, + 0, +}; + +static const struct ppi_info ppi_info = { + .type = PPI_TYPE_PPI, + .dma_ch = CH_PPI0, + .irq_err = IRQ_PPI1_ERROR, + .base = (void __iomem *)PPI0_CONTROL, + .pin_req = ppi_req, +}; + +#if IS_ENABLED(CONFIG_VIDEO_ADV7183) +#include <media/adv7183.h> +static struct v4l2_input adv7183_inputs[] = { + { + .index = 0, + .name = "Composite", + .type = V4L2_INPUT_TYPE_CAMERA, + .std = V4L2_STD_ALL, + .capabilities = V4L2_IN_CAP_STD, + }, + { + .index = 1, + .name = "S-Video", + .type = V4L2_INPUT_TYPE_CAMERA, + .std = V4L2_STD_ALL, + .capabilities = V4L2_IN_CAP_STD, + }, + { + .index = 2, + .name = "Component", + .type = V4L2_INPUT_TYPE_CAMERA, + .std = V4L2_STD_ALL, + .capabilities = V4L2_IN_CAP_STD, + }, +}; + +static struct bcap_route adv7183_routes[] = { + { + .input = ADV7183_COMPOSITE4, + .output = ADV7183_8BIT_OUT, + }, + { + .input = ADV7183_SVIDEO0, + .output = ADV7183_8BIT_OUT, + }, + { + .input = ADV7183_COMPONENT0, + .output = ADV7183_8BIT_OUT, + }, +}; + + +static const unsigned adv7183_gpio[] = { + GPIO_PF13, /* reset pin */ + GPIO_PF2, /* output enable pin */ +}; + +static struct bfin_capture_config bfin_capture_data = { + .card_name = "BF561", + .inputs = adv7183_inputs, + .num_inputs = ARRAY_SIZE(adv7183_inputs), + .routes = adv7183_routes, + .i2c_adapter_id = 0, + .board_info = { + .type = "adv7183", + .addr = 0x20, + .platform_data = (void *)adv7183_gpio, + }, + .ppi_info = &ppi_info, + .ppi_control = (PACK_EN | DLEN_8 | DMA32 | FLD_SEL), +}; +#endif + +static struct platform_device bfin_capture_device = { + .name = "bfin_capture", + .dev = { + .platform_data = &bfin_capture_data, + }, +}; +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_I2S) +static struct platform_device bfin_i2s = { + .name = "bfin-i2s", + .id = CONFIG_SND_BF5XX_SPORT_NUM, + /* TODO: add platform data here */ +}; +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_AC97) +static struct platform_device bfin_ac97 = { + .name = "bfin-ac97", + .id = CONFIG_SND_BF5XX_SPORT_NUM, + /* TODO: add platform data here */ +}; +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836) +static const char * const ad1836_link[] = { + "bfin-i2s.0", + "spi0.4", +}; +static struct platform_device bfin_ad1836_machine = { + .name = "bfin-snd-ad1836", + .id = -1, + .dev = { + .platform_data = (void *)ad1836_link, + }, +}; +#endif + +static struct platform_device *ezkit_devices[] __initdata = { + + &bfin_dpmc, + +#if IS_ENABLED(CONFIG_SMC91X) + &smc91x_device, +#endif + +#if IS_ENABLED(CONFIG_USB_NET2272) + &net2272_bfin_device, +#endif + +#if IS_ENABLED(CONFIG_USB_ISP1760_HCD) + &bfin_isp1760_device, +#endif + +#if IS_ENABLED(CONFIG_SPI_BFIN5XX) + &bfin_spi0_device, +#endif + +#if IS_ENABLED(CONFIG_SERIAL_BFIN) +#ifdef CONFIG_SERIAL_BFIN_UART0 + &bfin_uart0_device, +#endif +#endif + +#if IS_ENABLED(CONFIG_BFIN_SIR) +#ifdef CONFIG_BFIN_SIR0 + &bfin_sir0_device, +#endif +#endif + +#if IS_ENABLED(CONFIG_KEYBOARD_GPIO) + &bfin_device_gpiokeys, +#endif + +#if IS_ENABLED(CONFIG_I2C_GPIO) + &i2c_gpio_device, +#endif + +#if IS_ENABLED(CONFIG_USB_ISP1362_HCD) + &isp1362_hcd_device, +#endif + +#if IS_ENABLED(CONFIG_MTD_PHYSMAP) + &ezkit_flash_device, +#endif + +#if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE) + &bfin_capture_device, +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_I2S) + &bfin_i2s, +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_AC97) + &bfin_ac97, +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836) + &bfin_ad1836_machine, +#endif +}; + +static int __init net2272_init(void) +{ +#if IS_ENABLED(CONFIG_USB_NET2272) + int ret; + + ret = gpio_request(GPIO_PF11, "net2272"); + if (ret) + return ret; + + /* Reset the USB chip */ + gpio_direction_output(GPIO_PF11, 0); + mdelay(2); + gpio_set_value(GPIO_PF11, 1); +#endif + + return 0; +} + +static int __init ezkit_init(void) +{ + int ret; + + printk(KERN_INFO "%s(): registering device resources\n", __func__); + + ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices)); + if (ret < 0) + return ret; + +#if IS_ENABLED(CONFIG_SMC91X) + bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12)); + SSYNC(); +#endif + +#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X) + bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15)); + bfin_write_FIO0_FLAG_S(1 << 15); + SSYNC(); + /* + * This initialization lasts for approximately 4500 MCLKs. + * MCLK = 12.288MHz + */ + udelay(400); +#endif + + if (net2272_init()) + pr_warning("unable to configure net2272; it probably won't work\n"); + + spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); + return 0; +} + +arch_initcall(ezkit_init); + +static struct platform_device *ezkit_early_devices[] __initdata = { +#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK) +#ifdef CONFIG_SERIAL_BFIN_UART0 + &bfin_uart0_device, +#endif +#endif +}; + +void __init native_machine_early_platform_add_devices(void) +{ + printk(KERN_INFO "register early platform devices\n"); + early_platform_add_devices(ezkit_early_devices, + ARRAY_SIZE(ezkit_early_devices)); +} |