From mboxrd@z Thu Jan 1 00:00:00 1970 From: tim.schendekehl@egnite.de (Tim Schendekehl) Date: Mon, 05 Mar 2012 11:34:58 +0100 Subject: [PATCH] ARM: at91: Ethernut 5 board support Message-ID: <4F5496D2.8090702@egnite.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add support for the Ethernut 5 open hardware design, based on Atmel's AT91SAM9XE512 SoC. Signed-off-by: Tim Schendekehl --- arch/arm/mach-at91/Kconfig | 7 + arch/arm/mach-at91/Makefile | 1 + arch/arm/mach-at91/board-ethernut5.c | 280 ++++++++++++++++++++++++++++++++++ 3 files changed, 288 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-at91/board-ethernut5.c diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 71feb00..88ee70a 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -239,6 +239,13 @@ config MACH_CAM60 Select this if you are using KwikByte's KB9260 (CAM60) board based on the Atmel AT91SAM9260. +config MACH_ETHERNUT5 + bool "Ethernut 5 board" + select HAVE_AT91_DATAFLASH_CARD + help + Select this if you are using an Ethernut 5 board + + config MACH_SAM9_L9260 bool "Olimex SAM9-L9260 board" select HAVE_AT91_DATAFLASH_CARD diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 705e1fb..e8ef87d 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_MACH_RSI_EWS) += board-rsi-ews.o # AT91SAM9260 board-specific support obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o obj-$(CONFIG_MACH_CAM60) += board-cam60.o +obj-$(CONFIG_MACH_ETHERNUT5) += board-ethernut5.o obj-$(CONFIG_MACH_SAM9_L9260) += board-sam9-l9260.o obj-$(CONFIG_MACH_USB_A9260) += board-usb-a926x.o obj-$(CONFIG_MACH_QIL_A9260) += board-qil-a9260.o diff --git a/arch/arm/mach-at91/board-ethernut5.c b/arch/arm/mach-at91/board-ethernut5.c new file mode 100644 index 0000000..d1e01b1 --- /dev/null +++ b/arch/arm/mach-at91/board-ethernut5.c @@ -0,0 +1,280 @@ +/* + * linux/arch/arm/mach-at91/board-ethernut5.c + * + * Copyright (C) 2008 Ole Reinhardt + * Copyright (C) 2012 egnite GmbH + * + * linux/arch/arm/mach-at91/board-sam9260ek.c + * Copyright (C) 2005 SAN People + * Copyright (C) 2006 Atmel + * + * 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, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "sam9_smc.h" +#include "generic.h" + +static void __init ethernut5_init_early(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91_initialize(18432000); + /* DBGU on ttyS0. (Rx & Tx only) */ + at91_register_uart(0, 0, 0); + /* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ + at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS + | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR + | ATMEL_UART_DCD | ATMEL_UART_RI); + /* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS + | ATMEL_UART_RTS); + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +/* + * USB host port + */ +static struct at91_usbh_data __initdata ethernut5_usbh_data = { + .ports = 2, + .vbus_pin = {-EINVAL, -EINVAL}, +}; + +/* + * USB device port + */ +static struct at91_udc_data __initdata ethernut5_udc_data = { + .vbus_pin = AT91_PIN_PC5, + .pullup_pin = -EINVAL, /* pull-up driven by UDC */ +}; + +/* + * SPI flash + */ +static struct mtd_partition ethernut5_spi_dataflash_partitions[] = { + { + .name = "user", + .size = 0x021000, + .offset = 0x000000, + }, + { + .name = "setup", + .size = 0x021000, + .offset = 0x021000, + }, + { + .name = "uboot", + .size = 0x084000, + .offset = 0x042000, + }, + { + .name = "kernel", + .size = 0x0C6000, + .offset = 0x294000, + }, + { + .name = "nutos", + .size = 0x35A000, + .offset = 0x084000, + }, + { + .name = "env", + .size = 0x3DE000, + .offset = 0x021000, + } +}; + +static struct flash_platform_data ethernut5_spi_dataflash_data = { + .name = "mtd_dataflash", + .parts = ethernut5_spi_dataflash_partitions, + .nr_parts = ARRAY_SIZE(ethernut5_spi_dataflash_partitions), + .type = "mtd_dataflash", +}; + +static struct spi_board_info ethernut5_spi_devices[] = { + { + .modalias = "mtd_dataflash", + .chip_select = 0, + .max_speed_hz = 15 * 1000 * 1000, + .bus_num = 0, + .platform_data = ðernut5_spi_dataflash_data, + }, +}; + +/* + * NAND flash + */ +static struct sam9_smc_config __initdata ethernut5_nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 1, + .ncs_write_setup = 0, + .nwe_setup = 1, + + .ncs_read_pulse = 3, + .nrd_pulse = 3, + .ncs_write_pulse = 3, + .nwe_pulse = 3, + + .read_cycle = 5, + .write_cycle = 5, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE, + .tdf_cycles = 1, +}; + +static struct mtd_partition __initdata ethernut5_nand_partition[] = { + { + .name = "root", + .offset = 0, + .size = 0x08000000, + }, + { + .name = "data", + .offset = 0x08000000, + .size = MTDPART_SIZ_FULL, + } +}; + +static struct atmel_nand_data __initdata ethernut5_nand_data = { + .ale = 21, + .cle = 22, + .det_pin = -EINVAL, + .rdy_pin = -EINVAL, + .enable_pin = AT91_PIN_PC14, + .parts = ethernut5_nand_partition, + .num_parts = ARRAY_SIZE(ethernut5_nand_partition), + .bus_width_16 = 0, +}; + +static void __init ethernut5_add_device_nand(void) +{ + ethernut5_nand_smc_config.mode |= AT91_SMC_DBW_8; + sam9_smc_configure(0, 3, ðernut5_nand_smc_config); + at91_add_device_nand(ðernut5_nand_data); +} + +/* + * MACB Ethernet device + */ +static struct macb_platform_data __initdata ethernut5_macb_data = { + .phy_irq_pin = AT91_PIN_PA7, + .is_rmii = 1, +}; + +/* + * MCI (SD/MMC) + */ +static struct at91_mmc_data __initdata ethernut5_mmc_data = { + .slot_b = 0, + .wire4 = 1, + .det_pin = AT91_PIN_PC8, + .wp_pin = AT91_PIN_PC9, + .vcc_pin = -EINVAL, +}; + +/* + * I2C devices + */ +static struct i2c_board_info __initdata ethernut5_i2c_devices[] = { + { + I2C_BOARD_INFO("pcf8563", 0x51), + }, + { + I2C_BOARD_INFO("pmmc", 0x22), + } +}; + +static struct i2c_gpio_platform_data ethernut5_i2c_pdata = { + .sda_pin = AT91_PIN_PA23, + .sda_is_open_drain = 1, + .scl_pin = AT91_PIN_PA24, + .scl_is_open_drain = 1, + .udelay = 10, +}; + +static struct platform_device ethernut5_twi_device = { + .name = "i2c-gpio", + .id = -1, + .dev.platform_data = ðernut5_i2c_pdata, +}; + +static void __init ethernut5_add_device_i2c(struct i2c_board_info *devices, + int nr_devices) +{ + at91_set_GPIO_periph(AT91_PIN_PA23, 1); + at91_set_multi_drive(AT91_PIN_PA23, 1); + + at91_set_GPIO_periph(AT91_PIN_PA24, 1); + at91_set_multi_drive(AT91_PIN_PA24, 1); + + i2c_register_board_info(0, devices, nr_devices); + platform_device_register(ðernut5_twi_device); +} + +static void __init ethernut5_board_init(void) +{ + /* I2C needed for power management of other devices */ + ethernut5_add_device_i2c(ethernut5_i2c_devices, + ARRAY_SIZE(ethernut5_i2c_devices)); + /* Serial */ + at91_add_device_serial(); + /* USB Host */ + at91_add_device_usbh(ðernut5_usbh_data); + /* USB Device */ + at91_add_device_udc(ðernut5_udc_data); + /* SPI */ + at91_add_device_spi(ethernut5_spi_devices, + ARRAY_SIZE(ethernut5_spi_devices)); + /* NAND */ + ethernut5_add_device_nand(); + /* Ethernet */ + at91_add_device_eth(ðernut5_macb_data); + /* MMC */ + at91_add_device_mmc(0, ðernut5_mmc_data); +} + +MACHINE_START(ETHERNUT5, "Ethernut 5") + /* Maintainer: egnite GmbH */ + .atag_offset = 0x100, + .timer = &at91sam926x_timer, + .init_early = ethernut5_init_early, + .init_machine = ethernut5_board_init, + .map_io = at91_map_io, + .init_irq = at91_init_irq_default, +MACHINE_END -- 1.7.1