From mboxrd@z Thu Jan 1 00:00:00 1970 From: nicolas.ferre@atmel.com (Nicolas Ferre) Date: Wed, 24 Aug 2011 12:17:24 +0200 Subject: [PATCH] at91: add support for RSIs EWS board In-Reply-To: <1312285013-22113-1-git-send-email-holzmayr@rsi-elektrotechnik.de> References: <1312285013-22113-1-git-send-email-holzmayr@rsi-elektrotechnik.de> Message-ID: <4E54CFB4.8010608@atmel.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Le 02/08/2011 13:36, Josef Holzmayr : > This adds support for the RSI EWS machine (at91rm9200-based), machine type 1609. > > Includes fixes as suggested by Uwe Kleine-K?nig and > cleanups as suggested by Russell and R.Schwebel. > > Signed-off-by: Josef Holzmayr Hi, I simplified the board file header, moved to at91_init_irq_default. This board is now in at91-l2 branch of https://github.com/at91linux/linux-2.6-at91 I will send to -next when more patches will aggregate in this at91-l2 branch... Best regards, > --- > arch/arm/mach-at91/Kconfig | 5 + > arch/arm/mach-at91/Makefile | 1 + > arch/arm/mach-at91/board-rsi-ews.c | 251 ++++++++++++++++++++++++++++++++++++ > 3 files changed, 257 insertions(+), 0 deletions(-) > create mode 100644 arch/arm/mach-at91/board-rsi-ews.c > > diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig > index 2248467..1555c55 100644 > --- a/arch/arm/mach-at91/Kconfig > +++ b/arch/arm/mach-at91/Kconfig > @@ -182,6 +182,11 @@ config MACH_ECO920 > help > Select this if you are using the eco920 board > > +config MACH_RSI_EWS > + bool "RSI Embedded Webserver" > + depends on ARCH_AT91RM9200 > + help > + Select this if you are using RSIs EWS board. > endif > > # ---------------------------------------------------------- > diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile > index bf57e8b..ecd6479 100644 > --- a/arch/arm/mach-at91/Makefile > +++ b/arch/arm/mach-at91/Makefile > @@ -36,6 +36,7 @@ obj-$(CONFIG_MACH_ECBAT91) += board-ecbat91.o > obj-$(CONFIG_MACH_YL9200) += board-yl-9200.o > obj-$(CONFIG_MACH_CPUAT91) += board-cpuat91.o > obj-$(CONFIG_MACH_ECO920) += board-eco920.o > +obj-$(CONFIG_MACH_RSI_EWS) += board-rsi-ews.o > > # AT91SAM9260 board-specific support > obj-$(CONFIG_MACH_AT91SAM9260EK) += board-sam9260ek.o > diff --git a/arch/arm/mach-at91/board-rsi-ews.c b/arch/arm/mach-at91/board-rsi-ews.c > new file mode 100644 > index 0000000..96e8709 > --- /dev/null > +++ b/arch/arm/mach-at91/board-rsi-ews.c > @@ -0,0 +1,251 @@ > +/* > + * linux/arch/arm/mach-at91/board-rsi_ews.c > + * > + * Copyright (C) > + * 2005 SAN People, > + * 2008-2011 R-S-I Elektrotechnik GmbH & Co. KG > + * > + * 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., > + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include > +#include > +#include > + > +#include > +#include > +#include > + > +#include > +#include > + > +#include > + > +#include "generic.h" > + > +static void __init rsi_ews_init_early(void) > +{ > + /* Initialize processor: 18.432 MHz crystal */ > + at91_initialize(18432000); > + > + /* Setup the LEDs */ > + at91_init_leds(AT91_PIN_PB6, AT91_PIN_PB9); > + > + /* DBGU on ttyS0. (Rx & Tx only) */ > + /* This one is for debugging */ > + at91_register_uart(0, 0, 0); > + > + /* USART1 on ttyS2. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */ > + /* Dialin/-out modem interface */ > + at91_register_uart(AT91RM9200_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS > + | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD > + | ATMEL_UART_RI); > + > + /* USART3 on ttyS4. (Rx, Tx, RTS) */ > + /* RS485 communication */ > + at91_register_uart(AT91RM9200_ID_US3, 4, ATMEL_UART_RTS); > + > + /* set serial console to ttyS0 (ie, DBGU) */ > + at91_set_serial_console(0); > +} > + > +static void __init rsi_ews_init_irq(void) > +{ > + at91_init_interrupts(NULL); > +} > + > +/* > + * Ethernet > + */ > +static struct at91_eth_data rsi_ews_eth_data __initdata = { > + .phy_irq_pin = AT91_PIN_PC4, > + .is_rmii = 1, > +}; > + > +/* > + * USB Host > + */ > +static struct at91_usbh_data rsi_ews_usbh_data __initdata = { > + .ports = 1, > +}; > + > +/* > + * SD/MC > + */ > +static struct at91_mmc_data rsi_ews_mmc_data __initdata = { > + .slot_b = 0, > + .wire4 = 1, > + .det_pin = AT91_PIN_PB27, > + .wp_pin = AT91_PIN_PB29, > +}; > + > +/* > + * I2C > + */ > +static struct i2c_board_info rsi_ews_i2c_devices[] __initdata = { > + { > + I2C_BOARD_INFO("ds1337", 0x68), > + }, > + { > + I2C_BOARD_INFO("24c01", 0x50), > + } > +}; > + > +/* > + * LEDs > + */ > +static struct gpio_led rsi_ews_leds[] = { > + { > + .name = "led0", > + .gpio = AT91_PIN_PB6, > + .active_low = 0, > + }, > + { > + .name = "led1", > + .gpio = AT91_PIN_PB7, > + .active_low = 0, > + }, > + { > + .name = "led2", > + .gpio = AT91_PIN_PB8, > + .active_low = 0, > + }, > + { > + .name = "led3", > + .gpio = AT91_PIN_PB9, > + .active_low = 0, > + }, > +}; > + > +/* > + * DataFlash > + */ > +static struct spi_board_info rsi_ews_spi_devices[] = { > + { /* DataFlash chip 1*/ > + .modalias = "mtd_dataflash", > + .chip_select = 0, > + .max_speed_hz = 5 * 1000 * 1000, > + }, > + { /* DataFlash chip 2*/ > + .modalias = "mtd_dataflash", > + .chip_select = 1, > + .max_speed_hz = 5 * 1000 * 1000, > + }, > +}; > + > +/* > + * NOR flash > + */ > +static struct mtd_partition rsiews_nor_partitions[] = { > + { > + .name = "boot", > + .offset = 0, > + .size = 3 * SZ_128K, > + .mask_flags = MTD_WRITEABLE > + }, > + { > + .name = "kernel", > + .offset = MTDPART_OFS_NXTBLK, > + .size = SZ_2M - (3 * SZ_128K) > + }, > + { > + .name = "root", > + .offset = MTDPART_OFS_NXTBLK, > + .size = SZ_8M > + }, > + { > + .name = "kernelupd", > + .offset = MTDPART_OFS_NXTBLK, > + .size = 3 * SZ_512K, > + .mask_flags = MTD_WRITEABLE > + }, > + { > + .name = "rootupd", > + .offset = MTDPART_OFS_NXTBLK, > + .size = 9 * SZ_512K, > + .mask_flags = MTD_WRITEABLE > + }, > +}; > + > +static struct physmap_flash_data rsiews_nor_data = { > + .width = 2, > + .parts = rsiews_nor_partitions, > + .nr_parts = ARRAY_SIZE(rsiews_nor_partitions), > +}; > + > +#define NOR_BASE AT91_CHIPSELECT_0 > +#define NOR_SIZE SZ_16M > + > +static struct resource nor_flash_resources[] = { > + { > + .start = NOR_BASE, > + .end = NOR_BASE + NOR_SIZE - 1, > + .flags = IORESOURCE_MEM, > + } > +}; > + > +static struct platform_device rsiews_nor_flash = { > + .name = "physmap-flash", > + .id = 0, > + .dev = { > + .platform_data = &rsiews_nor_data, > + }, > + .resource = nor_flash_resources, > + .num_resources = ARRAY_SIZE(nor_flash_resources), > +}; > + > +/* > + * Init Func > + */ > +static void __init rsi_ews_board_init(void) > +{ > + /* Serial */ > + at91_add_device_serial(); > + at91_set_gpio_output(AT91_PIN_PA21, 0); > + /* Ethernet */ > + at91_add_device_eth(&rsi_ews_eth_data); > + /* USB Host */ > + at91_add_device_usbh(&rsi_ews_usbh_data); > + /* I2C */ > + at91_add_device_i2c(rsi_ews_i2c_devices, > + ARRAY_SIZE(rsi_ews_i2c_devices)); > + /* SPI */ > + at91_add_device_spi(rsi_ews_spi_devices, > + ARRAY_SIZE(rsi_ews_spi_devices)); > + /* MMC */ > + at91_add_device_mmc(0, &rsi_ews_mmc_data); > + /* NOR Flash */ > + platform_device_register(&rsiews_nor_flash); > + /* LEDs */ > + at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds)); > +} > + > +MACHINE_START(RSI_EWS, "RSI EWS") > + /* Maintainer: Josef Holzmayr */ > + .timer = &at91rm9200_timer, > + .map_io = at91_map_io, > + .init_early = rsi_ews_init_early, > + .init_irq = rsi_ews_init_irq, > + .init_machine = rsi_ews_board_init, > +MACHINE_END -- Nicolas Ferre