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-rw-r--r--arch/arm/mach-at91/Kconfig24
-rw-r--r--arch/arm/mach-at91/Makefile2
-rw-r--r--arch/arm/mach-at91/board-stamp9g20.c315
-rw-r--r--arch/arm/mach-at91/include/mach/board.h8
-rw-r--r--arch/arm/mach-at91/include/mach/cpu.h4
-rw-r--r--arch/arm/mach-at91/include/mach/system.h7
6 files changed, 343 insertions, 17 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 2db43a5ddd9..841eaf8f27e 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 d4004557532..c1f821e5822 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 00000000000..87958274290
--- /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 ceaec6c16eb..df2ed848c9f 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 5a0650101d4..833659d1200 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 5268af3933c..c80e090b367 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);