/* * File: arch/blackfin/mach-bf518/boards/ezbrd.c * Based on: arch/blackfin/mach-bf527/boards/ezbrd.c * Author: Bryan Wu <cooloney@kernel.org> * * Created: * Description: * * Modified: * Copyright 2005 National ICT Australia (NICTA) * Copyright 2004-2008 Analog Devices Inc. * * Bugs: Enter bugs at http://blackfin.uclinux.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see the file COPYING, or write * to the Free Software Foundation, Inc., * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #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/spi/flash.h> #include <linux/i2c.h> #include <linux/irq.h> #include <linux/interrupt.h> #include <asm/dma.h> #include <asm/bfin5xx_spi.h> #include <asm/reboot.h> #include <asm/portmux.h> #include <asm/dpmc.h> #include <asm/bfin_sdh.h> #include <linux/spi/ad7877.h> #include <net/dsa.h> /* * Name the Board for the /proc/cpuinfo */ const char bfin_board_name[] = "ADI BF518F-EZBRD"; /* * Driver needs to know address, irq and flag pin. */ #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) static struct mtd_partition ezbrd_partitions[] = { { .name = "bootloader(nor)", .size = 0x40000, .offset = 0, }, { .name = "linux kernel(nor)", .size = 0x1C0000, .offset = MTDPART_OFS_APPEND, }, { .name = "file system(nor)", .size = MTDPART_SIZ_FULL, .offset = MTDPART_OFS_APPEND, } }; static struct physmap_flash_data ezbrd_flash_data = { .width = 2, .parts = ezbrd_partitions, .nr_parts = ARRAY_SIZE(ezbrd_partitions), }; static struct resource ezbrd_flash_resource = { .start = 0x20000000, #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) .end = 0x202fffff, #else .end = 0x203fffff, #endif .flags = IORESOURCE_MEM, }; static struct platform_device ezbrd_flash_device = { .name = "physmap-flash", .id = 0, .dev = { .platform_data = &ezbrd_flash_data, }, .num_resources = 1, .resource = &ezbrd_flash_resource, }; #endif #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) static struct platform_device rtc_device = { .name = "rtc-bfin", .id = -1, }; #endif #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) static struct platform_device bfin_mii_bus = { .name = "bfin_mii_bus", }; static struct platform_device bfin_mac_device = { .name = "bfin_mac", .dev.platform_data = &bfin_mii_bus, }; #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) static struct dsa_platform_data ksz8893m_switch_data = { .mii_bus = &bfin_mii_bus.dev, .netdev = &bfin_mac_device.dev, .port_names[0] = NULL, .port_names[1] = "eth%d", .port_names[2] = "eth%d", .port_names[3] = "cpu", }; static struct platform_device ksz8893m_switch_device = { .name = "dsa", .id = 0, .num_resources = 0, .dev.platform_data = &ksz8893m_switch_data, }; #endif #endif #if defined(CONFIG_MTD_M25P80) \ || defined(CONFIG_MTD_M25P80_MODULE) 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 = 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 = "m25p16", }; /* SPI flash chip (m25p64) */ static struct bfin5xx_spi_chip spi_flash_chip_info = { .enable_dma = 0, /* use dma transfer with this chip*/ .bits_per_word = 8, }; #endif #if defined(CONFIG_BFIN_SPI_ADC) \ || defined(CONFIG_BFIN_SPI_ADC_MODULE) /* SPI ADC chip */ static struct bfin5xx_spi_chip spi_adc_chip_info = { .enable_dma = 1, /* use dma transfer with this chip*/ .bits_per_word = 16, }; #endif #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) #if defined(CONFIG_NET_DSA_KSZ8893M) \ || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) /* SPI SWITCH CHIP */ static struct bfin5xx_spi_chip spi_switch_info = { .enable_dma = 0, .bits_per_word = 8, }; #endif #endif #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) static struct bfin5xx_spi_chip mmc_spi_chip_info = { .enable_dma = 0, .bits_per_word = 8, }; #endif #if defined(CONFIG_PBX) static struct bfin5xx_spi_chip spi_si3xxx_chip_info = { .ctl_reg = 0x4, /* send zero */ .enable_dma = 0, .bits_per_word = 8, .cs_change_per_word = 1, }; #endif #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) static struct bfin5xx_spi_chip spi_ad7877_chip_info = { .enable_dma = 0, .bits_per_word = 16, }; static const struct ad7877_platform_data bfin_ad7877_ts_info = { .model = 7877, .vref_delay_usecs = 50, /* internal, no capacitor */ .x_plate_ohms = 419, .y_plate_ohms = 486, .pressure_max = 1000, .pressure_min = 0, .stopacq_polarity = 1, .first_conversion_delay = 3, .acquisition_time = 1, .averaging = 1, .pen_down_acc_interval = 1, }; #endif #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ && defined(CONFIG_SND_SOC_WM8731_SPI) static struct bfin5xx_spi_chip spi_wm8731_chip_info = { .enable_dma = 0, .bits_per_word = 16, }; #endif #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) static struct bfin5xx_spi_chip spidev_chip_info = { .enable_dma = 0, .bits_per_word = 8, }; #endif static struct spi_board_info bfin_spi_board_info[] __initdata = { #if defined(CONFIG_MTD_M25P80) \ || defined(CONFIG_MTD_M25P80_MODULE) { /* the modalias must be the same as spi device driver name */ .modalias = "m25p80", /* Name of spi_driver for this device */ .max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, /* Framework bus number */ .chip_select = 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */ .platform_data = &bfin_spi_flash_data, .controller_data = &spi_flash_chip_info, .mode = SPI_MODE_3, }, #endif #if defined(CONFIG_BFIN_SPI_ADC) \ || defined(CONFIG_BFIN_SPI_ADC_MODULE) { .modalias = "bfin_spi_adc", /* Name of spi_driver for this device */ .max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, /* Framework bus number */ .chip_select = 1, /* Framework chip select. */ .platform_data = NULL, /* No spi_driver specific config */ .controller_data = &spi_adc_chip_info, }, #endif #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) #if defined(CONFIG_NET_DSA_KSZ8893M) \ || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) { .modalias = "ksz8893m", .max_speed_hz = 5000000, .bus_num = 0, .chip_select = 1, .platform_data = NULL, .controller_data = &spi_switch_info, .mode = SPI_MODE_3, }, #endif #endif #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) { .modalias = "mmc_spi", .max_speed_hz = 25000000, /* 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 defined(CONFIG_PBX) { .modalias = "fxs-spi", .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 8 - CONFIG_J11_JUMPER, .controller_data = &spi_si3xxx_chip_info, .mode = SPI_MODE_3, }, { .modalias = "fxo-spi", .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 8 - CONFIG_J19_JUMPER, .controller_data = &spi_si3xxx_chip_info, .mode = SPI_MODE_3, }, #endif #if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE) { .modalias = "ad7877", .platform_data = &bfin_ad7877_ts_info, .irq = IRQ_PF8, .max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 2, .controller_data = &spi_ad7877_chip_info, }, #endif #if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \ && defined(CONFIG_SND_SOC_WM8731_SPI) { .modalias = "wm8731", .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 5, .controller_data = &spi_wm8731_chip_info, .mode = SPI_MODE_0, }, #endif #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE) { .modalias = "spidev", .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 1, .controller_data = &spidev_chip_info, }, #endif #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE) { .modalias = "bfin-lq035q1-spi", .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ .bus_num = 0, .chip_select = 1, .controller_data = &lq035q1_spi_chip_info, .mode = SPI_CPHA | SPI_CPOL, }, #endif }; /* SPI controller data */ #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) /* SPI (0) */ static struct bfin5xx_spi_master bfin_spi0_info = { .num_chipselect = 5, .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 resource bfin_spi0_resource[] = { [0] = { .start = SPI0_REGBASE, .end = SPI0_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = CH_SPI0, .end = CH_SPI0, .flags = IORESOURCE_DMA, }, [2] = { .start = IRQ_SPI0, .end = IRQ_SPI0, .flags = IORESOURCE_IRQ, }, }; 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 */ }, }; /* SPI (1) */ static struct bfin5xx_spi_master bfin_spi1_info = { .num_chipselect = 5, .enable_dma = 1, /* master has the ability to do dma transfer */ .pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0}, }; static struct resource bfin_spi1_resource[] = { [0] = { .start = SPI1_REGBASE, .end = SPI1_REGBASE + 0xFF, .flags = IORESOURCE_MEM, }, [1] = { .start = CH_SPI1, .end = CH_SPI1, .flags = IORESOURCE_DMA, }, [2] = { .start = IRQ_SPI1, .end = IRQ_SPI1, .flags = IORESOURCE_IRQ, }, }; static struct platform_device bfin_spi1_device = { .name = "bfin-spi", .id = 1, /* Bus number */ .num_resources = ARRAY_SIZE(bfin_spi1_resource), .resource = bfin_spi1_resource, .dev = { .platform_data = &bfin_spi1_info, /* Passed to driver */ }, }; #endif /* spi master and devices */ #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) static struct resource bfin_uart_resources[] = { #ifdef CONFIG_SERIAL_BFIN_UART0 { .start = 0xFFC00400, .end = 0xFFC004FF, .flags = IORESOURCE_MEM, }, #endif #ifdef CONFIG_SERIAL_BFIN_UART1 { .start = 0xFFC02000, .end = 0xFFC020FF, .flags = IORESOURCE_MEM, }, #endif }; static struct platform_device bfin_uart_device = { .name = "bfin-uart", .id = 1, .num_resources = ARRAY_SIZE(bfin_uart_resources), .resource = bfin_uart_resources, }; #endif #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) #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 #ifdef CONFIG_BFIN_SIR1 static struct resource bfin_sir1_resources[] = { { .start = 0xFFC02000, .end = 0xFFC020FF, .flags = IORESOURCE_MEM, }, { .start = IRQ_UART1_RX, .end = IRQ_UART1_RX+1, .flags = IORESOURCE_IRQ, }, { .start = CH_UART1_RX, .end = CH_UART1_RX+1, .flags = IORESOURCE_DMA, }, }; static struct platform_device bfin_sir1_device = { .name = "bfin_sir", .id = 1, .num_resources = ARRAY_SIZE(bfin_sir1_resources), .resource = bfin_sir1_resources, }; #endif #endif #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) static struct resource bfin_twi0_resource[] = { [0] = { .start = TWI0_REGBASE, .end = TWI0_REGBASE, .flags = IORESOURCE_MEM, }, [1] = { .start = IRQ_TWI, .end = IRQ_TWI, .flags = IORESOURCE_IRQ, }, }; static struct platform_device i2c_bfin_twi_device = { .name = "i2c-bfin-twi", .id = 0, .num_resources = ARRAY_SIZE(bfin_twi0_resource), .resource = bfin_twi0_resource, }; #endif static struct i2c_board_info __initdata bfin_i2c_board_info[] = { #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE) { I2C_BOARD_INFO("pcf8574_lcd", 0x22), }, #endif #if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE) { I2C_BOARD_INFO("pcf8574_keypad", 0x27), .irq = IRQ_PF8, }, #endif }; #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) static struct platform_device bfin_sport0_uart_device = { .name = "bfin-sport-uart", .id = 0, }; static struct platform_device bfin_sport1_uart_device = { .name = "bfin-sport-uart", .id = 1, }; #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) #include <linux/input.h> #include <linux/gpio_keys.h> static struct gpio_keys_button bfin_gpio_keys_table[] = { {BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"}, {BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"}, }; 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 defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) static struct bfin_sd_host bfin_sdh_data = { .dma_chan = CH_RSI, .irq_int0 = IRQ_RSI_INT0, .pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0}, }; static struct platform_device bf51x_sdh_device = { .name = "bfin-sdh", .id = 0, .dev = { .platform_data = &bfin_sdh_data, }, }; #endif static struct resource bfin_gpios_resources = { .start = 0, .end = MAX_BLACKFIN_GPIOS - 1, .flags = IORESOURCE_IRQ, }; static struct platform_device bfin_gpios_device = { .name = "simple-gpio", .id = -1, .num_resources = 1, .resource = &bfin_gpios_resources, }; static const unsigned int cclk_vlev_datasheet[] = { VRPAIR(VLEV_100, 400000000), VRPAIR(VLEV_105, 426000000), VRPAIR(VLEV_110, 500000000), VRPAIR(VLEV_115, 533000000), VRPAIR(VLEV_120, 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 defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE) &rtc_device, #endif #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) &bfin_mii_bus, &bfin_mac_device, #if defined(CONFIG_NET_DSA_KSZ8893M) || defined(CONFIG_NET_DSA_KSZ8893M_MODULE) &ksz8893m_switch_device, #endif #endif #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) &bfin_spi0_device, &bfin_spi1_device, #endif #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) &bfin_uart_device, #endif #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE) #ifdef CONFIG_BFIN_SIR0 &bfin_sir0_device, #endif #ifdef CONFIG_BFIN_SIR1 &bfin_sir1_device, #endif #endif #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE) &i2c_bfin_twi_device, #endif #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE) &bfin_sport0_uart_device, &bfin_sport1_uart_device, #endif #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) &bfin_device_gpiokeys, #endif #if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE) &bf51x_sdh_device, #endif #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) &ezbrd_flash_device, #endif &bfin_gpios_device, }; static int __init ezbrd_init(void) { printk(KERN_INFO "%s(): registering device resources\n", __func__); i2c_register_board_info(0, bfin_i2c_board_info, ARRAY_SIZE(bfin_i2c_board_info)); platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices)); spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */ peripheral_request(P_AMS2, "ParaFlash"); #if !defined(CONFIG_SPI_BFIN) && !defined(CONFIG_SPI_BFIN_MODULE) peripheral_request(P_AMS3, "ParaFlash"); #endif return 0; } arch_initcall(ezbrd_init); void native_machine_restart(char *cmd) { /* workaround reboot hang when booting from SPI */ if ((bfin_read_SYSCR() & 0x7) == 0x3) bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS); } void bfin_get_ether_addr(char *addr) { /* the MAC is stored in OTP memory page 0xDF */ u32 ret; u64 otp_mac; u32 (*otp_read)(u32 page, u32 flags, u64 *page_content) = (void *)0xEF00001A; ret = otp_read(0xDF, 0x00, &otp_mac); if (!(ret & 0x1)) { char *otp_mac_p = (char *)&otp_mac; for (ret = 0; ret < 6; ++ret) addr[ret] = otp_mac_p[5 - ret]; } } EXPORT_SYMBOL(bfin_get_ether_addr);