/* * Board Info File for the BlackStamp * * Copyright 2004-2008 Analog Devices Inc. * 2008 Benjamin Matthews * 2005 National ICT Australia (NICTA) * Aidan Williams * * More info about the BlackStamp at: * http://blackfin.uclinux.org/gf/project/blackstamp/ * * Licensed under the GPL-2 or later. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Name the Board for the /proc/cpuinfo */ const char bfin_board_name[] = "BlackStamp"; #if IS_ENABLED(CONFIG_RTC_DRV_BFIN) static struct platform_device rtc_device = { .name = "rtc-bfin", .id = -1, }; #endif /* * Driver needs to know address, irq and flag pin. */ #if IS_ENABLED(CONFIG_SMC91X) #include static struct smc91x_platdata smc91x_info = { .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT, .leda = RPC_LED_100_10, .ledb = RPC_LED_TX_RX, }; static struct resource smc91x_resources[] = { { .name = "smc91x-regs", .start = 0x20300300, .end = 0x20300300 + 16, .flags = IORESOURCE_MEM, }, { .start = IRQ_PF3, .end = IRQ_PF3, .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_MTD_M25P80) static struct mtd_partition bfin_spi_flash_partitions[] = { { .name = "bootloader(spi)", .size = 0x00040000, .offset = 0, .mask_flags = MTD_CAP_ROM }, { .name = "linux kernel(spi)", .size = 0x180000, .offset = MTDPART_OFS_APPEND, }, { .name = "file system(spi)", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_APPEND, } }; static struct flash_platform_data bfin_spi_flash_data = { .name = "m25p80", .parts = bfin_spi_flash_partitions, .nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions), .type = "m25p64", }; /* SPI flash chip (m25p64) */ static struct bfin5xx_spi_chip spi_flash_chip_info = { .enable_dma = 0, /* use dma transfer with this chip*/ }; #endif #if IS_ENABLED(CONFIG_MMC_SPI) static struct bfin5xx_spi_chip mmc_spi_chip_info = { .enable_dma = 0, }; #endif static struct spi_board_info bfin_spi_board_info[] __initdata = { #if IS_ENABLED(CONFIG_MTD_M25P80) { /* the modalias must be the same as spi device driver name */ .modalias = "m25p80", /* Name of spi_driver for this device */ .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, /* Framework bus number */ .chip_select = 2, /* Framework chip select. */ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, .mode = SPI_MODE_3, }, #endif #if IS_ENABLED(CONFIG_MMC_SPI) { .modalias = "mmc_spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 5, .controller_data = &mmc_spi_chip_info, .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 = 7, }, #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 /* spi master and devices */ #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_UART0_TX, .end = IRQ_UART0_TX, .flags = IORESOURCE_IRQ, }, { .start = IRQ_UART0_RX, .end = IRQ_UART0_RX, .flags = IORESOURCE_IRQ, }, { .start = IRQ_UART0_ERROR, .end = IRQ_UART0_ERROR, .flags = IORESOURCE_IRQ, }, { .start = CH_UART0_TX, .end = CH_UART0_TX, .flags = IORESOURCE_DMA, }, { .start = CH_UART0_RX, .end = CH_UART0_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_SERIAL_BFIN_SPORT) #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART static struct resource bfin_sport0_uart_resources[] = { { .start = SPORT0_TCR1, .end = SPORT0_MRCS3+4, .flags = IORESOURCE_MEM, }, { .start = IRQ_SPORT0_RX, .end = IRQ_SPORT0_RX+1, .flags = IORESOURCE_IRQ, }, { .start = IRQ_SPORT0_ERROR, .end = IRQ_SPORT0_ERROR, .flags = IORESOURCE_IRQ, }, }; static unsigned short bfin_sport0_peripherals[] = { P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, P_SPORT0_DRPRI, P_SPORT0_RSCLK, 0 }; static struct platform_device bfin_sport0_uart_device = { .name = "bfin-sport-uart", .id = 0, .num_resources = ARRAY_SIZE(bfin_sport0_uart_resources), .resource = bfin_sport0_uart_resources, .dev = { .platform_data = &bfin_sport0_peripherals, /* Passed to driver */ }, }; #endif #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART static struct resource bfin_sport1_uart_resources[] = { { .start = SPORT1_TCR1, .end = SPORT1_MRCS3+4, .flags = IORESOURCE_MEM, }, { .start = IRQ_SPORT1_RX, .end = IRQ_SPORT1_RX+1, .flags = IORESOURCE_IRQ, }, { .start = IRQ_SPORT1_ERROR, .end = IRQ_SPORT1_ERROR, .flags = IORESOURCE_IRQ, }, }; static unsigned short bfin_sport1_peripherals[] = { P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, P_SPORT1_DRPRI, P_SPORT1_RSCLK, 0 }; static struct platform_device bfin_sport1_uart_device = { .name = "bfin-sport-uart", .id = 1, .num_resources = ARRAY_SIZE(bfin_sport1_uart_resources), .resource = bfin_sport1_uart_resources, .dev = { .platform_data = &bfin_sport1_peripherals, /* Passed to driver */ }, }; #endif #endif #if IS_ENABLED(CONFIG_KEYBOARD_GPIO) #include #include static struct gpio_keys_button bfin_gpio_keys_table[] = { {BTN_0, GPIO_PF4, 0, "gpio-keys: BTN0"}, {BTN_1, GPIO_PF5, 0, "gpio-keys: BTN1"}, {BTN_2, GPIO_PF6, 0, "gpio-keys: BTN2"}, }; /* Mapped to the first three PF Test Points */ 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 static struct gpiod_lookup_table bfin_i2c_gpiod_table = { .dev_id = "i2c-gpio", .table = { GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF8, NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), GPIO_LOOKUP_IDX("BFIN-GPIO", GPIO_PF9, NULL, 1, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN), }, }; static struct i2c_gpio_platform_data i2c_gpio_data = { .udelay = 40, }; /* This hasn't actually been used these pins * are (currently) free pins on the expansion connector */ static struct platform_device i2c_gpio_device = { .name = "i2c-gpio", .id = 0, .dev = { .platform_data = &i2c_gpio_data, }, }; #endif static struct i2c_board_info __initdata bfin_i2c_board_info[] = { }; static const unsigned int cclk_vlev_datasheet[] = { VRPAIR(VLEV_085, 250000000), VRPAIR(VLEV_090, 376000000), VRPAIR(VLEV_095, 426000000), VRPAIR(VLEV_100, 426000000), VRPAIR(VLEV_105, 476000000), VRPAIR(VLEV_110, 476000000), VRPAIR(VLEV_115, 476000000), VRPAIR(VLEV_120, 600000000), VRPAIR(VLEV_125, 600000000), 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, }, }; static struct platform_device *stamp_devices[] __initdata = { &bfin_dpmc, #if IS_ENABLED(CONFIG_RTC_DRV_BFIN) &rtc_device, #endif #if IS_ENABLED(CONFIG_SMC91X) &smc91x_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_SERIAL_BFIN_SPORT) #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART &bfin_sport0_uart_device, #endif #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART &bfin_sport1_uart_device, #endif #endif #if IS_ENABLED(CONFIG_KEYBOARD_GPIO) &bfin_device_gpiokeys, #endif #if IS_ENABLED(CONFIG_I2C_GPIO) &i2c_gpio_device, #endif }; static int __init blackstamp_init(void) { int ret; printk(KERN_INFO "%s(): registering device resources\n", __func__); #if IS_ENABLED(CONFIG_I2C_GPIO) gpiod_add_lookup_table(&bfin_i2c_gpiod_table); #endif i2c_register_board_info(0, bfin_i2c_board_info, ARRAY_SIZE(bfin_i2c_board_info)); ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); if (ret < 0) return ret; #if IS_ENABLED(CONFIG_SMC91X) /* * setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC. * the bfin-async-map driver takes care of flipping between * flash and ethernet when necessary. */ ret = gpio_request(GPIO_PF0, "enet_cpld"); if (!ret) { gpio_direction_output(GPIO_PF0, 1); gpio_free(GPIO_PF0); } #endif spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); return 0; } arch_initcall(blackstamp_init); static struct platform_device *stamp_early_devices[] __initdata = { #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK) #ifdef CONFIG_SERIAL_BFIN_UART0 &bfin_uart0_device, #endif #endif #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE) #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART &bfin_sport0_uart_device, #endif #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART &bfin_sport1_uart_device, #endif #endif }; void __init native_machine_early_platform_add_devices(void) { printk(KERN_INFO "register early platform devices\n"); early_platform_add_devices(stamp_early_devices, ARRAY_SIZE(stamp_early_devices)); }