diff options
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/Kconfig | 24 | ||||
| -rw-r--r-- | arch/arm/mach-at91/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-stamp9g20.c | 315 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/board.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/cpu.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/system.h | 7 |
6 files changed, 343 insertions, 17 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 2db43a5ddd9b..841eaf8f27e2 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -23,14 +23,12 @@ choice config ARCH_AT91RM9200 bool "AT91RM9200" select CPU_ARM920T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 config ARCH_AT91SAM9260 bool "AT91SAM9260 or AT91SAM9XE" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 select HAVE_AT91_USART4 @@ -39,28 +37,24 @@ config ARCH_AT91SAM9260 config ARCH_AT91SAM9261 bool "AT91SAM9261" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL config ARCH_AT91SAM9G10 bool "AT91SAM9G10" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL config ARCH_AT91SAM9263 bool "AT91SAM9263" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL config ARCH_AT91SAM9RL bool "AT91SAM9RL" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 select HAVE_FB_ATMEL @@ -68,7 +62,6 @@ config ARCH_AT91SAM9RL config ARCH_AT91SAM9G20 bool "AT91SAM9G20" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 select HAVE_AT91_USART4 @@ -77,7 +70,6 @@ config ARCH_AT91SAM9G20 config ARCH_AT91SAM9G45 bool "AT91SAM9G45" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_AT91_USART3 select HAVE_FB_ATMEL @@ -85,18 +77,17 @@ config ARCH_AT91SAM9G45 config ARCH_AT91CAP9 bool "AT91CAP9" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS select HAVE_FB_ATMEL config ARCH_AT572D940HF bool "AT572D940HF" select CPU_ARM926T - select GENERIC_TIME select GENERIC_CLOCKEVENTS config ARCH_AT91X40 bool "AT91x40" + select ARCH_USES_GETTIMEOFFSET endchoice @@ -360,6 +351,19 @@ config MACH_CPU9G20 Select this if you are using a Eukrea Electromatique's CPU9G20 Board <http://www.eukrea.com/> +config MACH_PORTUXG20 + bool "taskit PortuxG20" + help + Select this if you are using taskit's PortuxG20. + <http://www.taskit.de/en/> + +config MACH_STAMP9G20 + bool "taskit Stamp9G20 CPU module" + help + Select this if you are using taskit's Stamp9G20 CPU module on its + evaluation board. + <http://www.taskit.de/en/> + endif # ---------------------------------------------------------- diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index d4004557532a..c1f821e58222 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -63,6 +63,8 @@ obj-$(CONFIG_MACH_AT91SAM9RLEK) += board-sam9rlek.o obj-$(CONFIG_MACH_AT91SAM9G20EK) += board-sam9g20ek.o obj-$(CONFIG_MACH_AT91SAM9G20EK_2MMC) += board-sam9g20ek-2slot-mmc.o obj-$(CONFIG_MACH_CPU9G20) += board-cpu9krea.o +obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o +obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o # AT91SAM9G45 board-specific support obj-$(CONFIG_MACH_AT91SAM9G45EKES) += board-sam9m10g45ek.o diff --git a/arch/arm/mach-at91/board-stamp9g20.c b/arch/arm/mach-at91/board-stamp9g20.c new file mode 100644 index 000000000000..87958274290f --- /dev/null +++ b/arch/arm/mach-at91/board-stamp9g20.c @@ -0,0 +1,315 @@ +/* + * Copyright (C) 2010 Christian Glindkamp <christian.glindkamp@taskit.de> + * taskit GmbH + * + * 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 <linux/mm.h> +#include <linux/platform_device.h> +#include <linux/gpio.h> +#include <linux/w1-gpio.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <mach/board.h> +#include <mach/at91sam9_smc.h> + +#include "sam9_smc.h" +#include "generic.h" + + +static void __init portuxg20_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91sam9260_initialize(18432000); + + /* DGBU 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, CTS, RTS) */ + at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* USART2 on ttyS3. (Rx, Tx, CTS, RTS) */ + at91_register_uart(AT91SAM9260_ID_US2, 3, ATMEL_UART_CTS | ATMEL_UART_RTS); + + /* USART4 on ttyS5. (Rx, Tx only) */ + at91_register_uart(AT91SAM9260_ID_US4, 5, 0); + + /* USART5 on ttyS6. (Rx, Tx only) */ + at91_register_uart(AT91SAM9260_ID_US5, 6, 0); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init stamp9g20_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + at91sam9260_initialize(18432000); + + /* DGBU 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); + + /* set serial console to ttyS0 (ie, DBGU) */ + at91_set_serial_console(0); +} + +static void __init init_irq(void) +{ + at91sam9260_init_interrupts(NULL); +} + + +/* + * NAND flash + */ +static struct atmel_nand_data __initdata nand_data = { + .ale = 21, + .cle = 22, + .rdy_pin = AT91_PIN_PC13, + .enable_pin = AT91_PIN_PC14, + .bus_width_16 = 0, +}; + +static struct sam9_smc_config __initdata nand_smc_config = { + .ncs_read_setup = 0, + .nrd_setup = 2, + .ncs_write_setup = 0, + .nwe_setup = 2, + + .ncs_read_pulse = 4, + .nrd_pulse = 4, + .ncs_write_pulse = 4, + .nwe_pulse = 4, + + .read_cycle = 7, + .write_cycle = 7, + + .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, + .tdf_cycles = 3, +}; + +static void __init add_device_nand(void) +{ + /* configure chip-select 3 (NAND) */ + sam9_smc_configure(3, &nand_smc_config); + + at91_add_device_nand(&nand_data); +} + + +/* + * MCI (SD/MMC) + * det_pin, wp_pin and vcc_pin are not connected + */ +#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) +static struct mci_platform_data __initdata mmc_data = { + .slot[0] = { + .bus_width = 4, + }, +}; +#else +static struct at91_mmc_data __initdata mmc_data = { + .slot_b = 0, + .wire4 = 1, +}; +#endif + + +/* + * USB Host port + */ +static struct at91_usbh_data __initdata usbh_data = { + .ports = 2, +}; + + +/* + * USB Device port + */ +static struct at91_udc_data __initdata portuxg20_udc_data = { + .vbus_pin = AT91_PIN_PC7, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + +static struct at91_udc_data __initdata stamp9g20_udc_data = { + .vbus_pin = AT91_PIN_PA22, + .pullup_pin = 0, /* pull-up driven by UDC */ +}; + + +/* + * MACB Ethernet device + */ +static struct at91_eth_data __initdata macb_data = { + .phy_irq_pin = AT91_PIN_PA28, + .is_rmii = 1, +}; + + +/* + * LEDs + */ +static struct gpio_led portuxg20_leds[] = { + { + .name = "LED2", + .gpio = AT91_PIN_PC5, + .default_trigger = "none", + }, { + .name = "LED3", + .gpio = AT91_PIN_PC4, + .default_trigger = "none", + }, { + .name = "LED4", + .gpio = AT91_PIN_PC10, + .default_trigger = "heartbeat", + } +}; + +static struct gpio_led stamp9g20_leds[] = { + { + .name = "D8", + .gpio = AT91_PIN_PB18, + .active_low = 1, + .default_trigger = "none", + }, { + .name = "D9", + .gpio = AT91_PIN_PB19, + .active_low = 1, + .default_trigger = "none", + }, { + .name = "D10", + .gpio = AT91_PIN_PB20, + .active_low = 1, + .default_trigger = "heartbeat", + } +}; + + +/* + * SPI devices + */ +static struct spi_board_info portuxg20_spi_devices[] = { + { + .modalias = "spidev", + .chip_select = 0, + .max_speed_hz = 1 * 1000 * 1000, + .bus_num = 0, + }, { + .modalias = "spidev", + .chip_select = 0, + .max_speed_hz = 1 * 1000 * 1000, + .bus_num = 1, + }, +}; + + +/* + * Dallas 1-Wire + */ +static struct w1_gpio_platform_data w1_gpio_pdata = { + .pin = AT91_PIN_PA29, + .is_open_drain = 1, +}; + +static struct platform_device w1_device = { + .name = "w1-gpio", + .id = -1, + .dev.platform_data = &w1_gpio_pdata, +}; + +void add_w1(void) +{ + at91_set_GPIO_periph(w1_gpio_pdata.pin, 1); + at91_set_multi_drive(w1_gpio_pdata.pin, 1); + platform_device_register(&w1_device); +} + + +static void __init generic_board_init(void) +{ + /* Serial */ + at91_add_device_serial(); + /* NAND */ + add_device_nand(); + /* MMC */ +#if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE) + at91_add_device_mci(0, &mmc_data); +#else + at91_add_device_mmc(0, &mmc_data); +#endif + /* USB Host */ + at91_add_device_usbh(&usbh_data); + /* Ethernet */ + at91_add_device_eth(&macb_data); + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* W1 */ + add_w1(); +} + +static void __init portuxg20_board_init(void) +{ + generic_board_init(); + /* SPI */ + at91_add_device_spi(portuxg20_spi_devices, ARRAY_SIZE(portuxg20_spi_devices)); + /* USB Device */ + at91_add_device_udc(&portuxg20_udc_data); + /* LEDs */ + at91_gpio_leds(portuxg20_leds, ARRAY_SIZE(portuxg20_leds)); +} + +static void __init stamp9g20_board_init(void) +{ + generic_board_init(); + /* USB Device */ + at91_add_device_udc(&stamp9g20_udc_data); + /* LEDs */ + at91_gpio_leds(stamp9g20_leds, ARRAY_SIZE(stamp9g20_leds)); +} + +MACHINE_START(PORTUXG20, "taskit PortuxG20") + /* Maintainer: taskit GmbH */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = portuxg20_map_io, + .init_irq = init_irq, + .init_machine = portuxg20_board_init, +MACHINE_END + +MACHINE_START(STAMP9G20, "taskit Stamp9G20") + /* Maintainer: taskit GmbH */ + .phys_io = AT91_BASE_SYS, + .io_pg_offst = (AT91_VA_BASE_SYS >> 18) & 0xfffc, + .boot_params = AT91_SDRAM_BASE + 0x100, + .timer = &at91sam926x_timer, + .map_io = stamp9g20_map_io, + .init_irq = init_irq, + .init_machine = stamp9g20_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h index ceaec6c16eb2..df2ed848c9f8 100644 --- a/arch/arm/mach-at91/include/mach/board.h +++ b/arch/arm/mach-at91/include/mach/board.h @@ -39,6 +39,7 @@ #include <linux/usb/atmel_usba_udc.h> #include <linux/atmel-mci.h> #include <sound/atmel-ac97c.h> +#include <linux/serial.h> /* USB Device */ struct at91_udc_data { @@ -143,9 +144,10 @@ extern struct platform_device *atmel_default_console_device; extern void __init __deprecated at91_init_serial(struct at91_uart_config *config); struct atmel_uart_data { - short use_dma_tx; /* use transmit DMA? */ - short use_dma_rx; /* use receive DMA? */ - void __iomem *regs; /* virtual base address, if any */ + short use_dma_tx; /* use transmit DMA? */ + short use_dma_rx; /* use receive DMA? */ + void __iomem *regs; /* virt. base address, if any */ + struct serial_rs485 rs485; /* rs485 settings */ }; extern void __init at91_add_device_serial(void); diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h index 5a0650101d45..833659d1200a 100644 --- a/arch/arm/mach-at91/include/mach/cpu.h +++ b/arch/arm/mach-at91/include/mach/cpu.h @@ -21,7 +21,7 @@ #define ARCH_ID_AT91SAM9260 0x019803a0 #define ARCH_ID_AT91SAM9261 0x019703a0 #define ARCH_ID_AT91SAM9263 0x019607a0 -#define ARCH_ID_AT91SAM9G10 0x819903a0 +#define ARCH_ID_AT91SAM9G10 0x019903a0 #define ARCH_ID_AT91SAM9G20 0x019905a0 #define ARCH_ID_AT91SAM9RL64 0x019b03a0 #define ARCH_ID_AT91SAM9G45 0x819b05a0 @@ -108,7 +108,7 @@ static inline unsigned long at91cap9_rev_identify(void) #endif #ifdef CONFIG_ARCH_AT91SAM9G10 -#define cpu_is_at91sam9g10() (at91_cpu_identify() == ARCH_ID_AT91SAM9G10) +#define cpu_is_at91sam9g10() ((at91_cpu_identify() & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) #else #define cpu_is_at91sam9g10() (0) #endif diff --git a/arch/arm/mach-at91/include/mach/system.h b/arch/arm/mach-at91/include/mach/system.h index 5268af3933c2..c80e090b3670 100644 --- a/arch/arm/mach-at91/include/mach/system.h +++ b/arch/arm/mach-at91/include/mach/system.h @@ -24,21 +24,24 @@ #include <mach/hardware.h> #include <mach/at91_st.h> #include <mach/at91_dbgu.h> +#include <mach/at91_pmc.h> static inline void arch_idle(void) { +#ifndef CONFIG_DEBUG_KERNEL /* * Disable the processor clock. The processor will be automatically * re-enabled by an interrupt or by a reset. */ -// at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); - + at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); +#else /* * Set the processor (CP15) into 'Wait for Interrupt' mode. * Unlike disabling the processor clock via the PMC (above) * this allows the processor to be woken via JTAG. */ cpu_do_idle(); +#endif } void (*at91_arch_reset)(void); |