diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-at91/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-at91/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-at91/board-usb-a926x.c | 145 | ||||
| -rw-r--r-- | arch/arm/mach-at91/include/mach/timex.h | 5 |
4 files changed, 133 insertions, 26 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 1555c5511fee..04a85c546abc 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -386,6 +386,14 @@ config MACH_GSIA18S This enables support for the GS_IA18_S board produced by GeoSIG Ltd company. This is an internet accelerograph. <http://www.geosig.com> + +config MACH_USB_A9G20 + bool "CALAO USB-A9G20" + depends on ARCH_AT91SAM9G20 + help + Select this if you are using a Calao Systems USB-A9G20. + <http://www.calao-systems.com> + endif if (ARCH_AT91SAM9260 || ARCH_AT91SAM9G20) diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 0b1b3793bbc6..d992dd5d9321 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -68,6 +68,7 @@ obj-$(CONFIG_MACH_STAMP9G20) += board-stamp9g20.o obj-$(CONFIG_MACH_PORTUXG20) += board-stamp9g20.o obj-$(CONFIG_MACH_PCONTROL_G20) += board-pcontrol-g20.o board-stamp9g20.o obj-$(CONFIG_MACH_GSIA18S) += board-gsia18s.o board-stamp9g20.o +obj-$(CONFIG_MACH_USB_A9G20) += board-usb-a926x.o # AT91SAM9260/AT91SAM9G20 board-specific support obj-$(CONFIG_MACH_SNAPPER_9260) += board-snapper9260.o diff --git a/arch/arm/mach-at91/board-usb-a926x.c b/arch/arm/mach-at91/board-usb-a926x.c index b9b9847fa55d..260260b81992 100644 --- a/arch/arm/mach-at91/board-usb-a926x.c +++ b/arch/arm/mach-at91/board-usb-a926x.c @@ -4,6 +4,7 @@ * Copyright (C) 2005 SAN People * Copyright (C) 2007 Atmel Corporation. * Copyright (C) 2007 Calao-systems + * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> * * 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 @@ -28,6 +29,7 @@ #include <linux/spi/spi.h> #include <linux/gpio_keys.h> #include <linux/input.h> +#include <linux/spi/mmc_spi.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -74,18 +76,42 @@ static struct at91_udc_data __initdata ek_udc_data = { .pullup_pin = 0, /* pull-up driven by UDC */ }; -void ek_add_device_udc(void) +static void __init ek_add_device_udc(void) { - if (machine_is_usb_a9260()) + if (machine_is_usb_a9260() || machine_is_usb_a9g20()) ek_udc_data.vbus_pin = AT91_PIN_PC5; at91_add_device_udc(&ek_udc_data); } +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) +#define MMC_SPI_CARD_DETECT_INT AT91_PIN_PC4 +static int at91_mmc_spi_init(struct device *dev, + irqreturn_t (*detect_int)(int, void *), void *data) +{ + /* Configure Interrupt pin as input, no pull-up */ + at91_set_gpio_input(MMC_SPI_CARD_DETECT_INT, 0); + return request_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), detect_int, + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + "mmc-spi-detect", data); +} + +static void at91_mmc_spi_exit(struct device *dev, void *data) +{ + free_irq(gpio_to_irq(MMC_SPI_CARD_DETECT_INT), data); +} + +static struct mmc_spi_platform_data at91_mmc_spi_pdata = { + .init = at91_mmc_spi_init, + .exit = at91_mmc_spi_exit, + .detect_delay = 100, /* msecs */ +}; +#endif + /* * SPI devices. */ -static struct spi_board_info ek_spi_devices[] = { +static struct spi_board_info usb_a9263_spi_devices[] = { #if !defined(CONFIG_MMC_AT91) { /* DataFlash chip */ .modalias = "mtd_dataflash", @@ -96,10 +122,25 @@ static struct spi_board_info ek_spi_devices[] = { #endif }; -void ek_add_device_spi(void) +static struct spi_board_info usb_a9g20_spi_devices[] = { +#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE) + { + .modalias = "mmc_spi", + .max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */ + .bus_num = 1, + .chip_select = 0, + .platform_data = &at91_mmc_spi_pdata, + .mode = SPI_MODE_3, + }, +#endif +}; + +static void __init ek_add_device_spi(void) { if (machine_is_usb_a9263()) - at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); + at91_add_device_spi(usb_a9263_spi_devices, ARRAY_SIZE(usb_a9263_spi_devices)); + else if (machine_is_usb_a9g20()) + at91_add_device_spi(usb_a9g20_spi_devices, ARRAY_SIZE(usb_a9g20_spi_devices)); } /* @@ -110,9 +151,9 @@ static struct at91_eth_data __initdata ek_macb_data = { .is_rmii = 1, }; -void ek_add_device_eth(void) +static void __init ek_add_device_eth(void) { - if (machine_is_usb_a9260()) + if (machine_is_usb_a9260() || machine_is_usb_a9g20()) ek_macb_data.phy_irq_pin = AT91_PIN_PA31; at91_add_device_eth(&ek_macb_data); @@ -123,19 +164,29 @@ void ek_add_device_eth(void) */ static struct mtd_partition __initdata ek_nand_partition[] = { { - .name = "Uboot & Kernel", + .name = "barebox", .offset = 0, - .size = SZ_16M, - }, - { - .name = "Root FS", + .size = 3 * SZ_128K, + }, { + .name = "bareboxenv", .offset = MTDPART_OFS_NXTBLK, - .size = 120 * SZ_1M, - }, - { - .name = "FS", + .size = SZ_128K, + }, { + .name = "bareboxenv2", + .offset = MTDPART_OFS_NXTBLK, + .size = SZ_128K, + }, { + .name = "kernel", + .offset = MTDPART_OFS_NXTBLK, + .size = 4 * SZ_1M, + }, { + .name = "rootfs", .offset = MTDPART_OFS_NXTBLK, .size = 120 * SZ_1M, + }, { + .name = "data", + .offset = MTDPART_OFS_NXTBLK, + .size = MTDPART_SIZ_FULL, } }; @@ -154,7 +205,7 @@ static struct atmel_nand_data __initdata ek_nand_data = { .partition_info = nand_partitions, }; -static struct sam9_smc_config __initdata ek_nand_smc_config = { +static struct sam9_smc_config __initdata usb_a9260_nand_smc_config = { .ncs_read_setup = 0, .nrd_setup = 1, .ncs_write_setup = 0, @@ -172,15 +223,36 @@ static struct sam9_smc_config __initdata ek_nand_smc_config = { .tdf_cycles = 2, }; +static struct sam9_smc_config __initdata usb_a9g20_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 ek_add_device_nand(void) { - if (machine_is_usb_a9260()) { + if (machine_is_usb_a9260() || machine_is_usb_a9g20()) { ek_nand_data.rdy_pin = AT91_PIN_PC13; ek_nand_data.enable_pin = AT91_PIN_PC14; } /* configure chip-select 3 (NAND) */ - sam9_smc_configure(3, &ek_nand_smc_config); + if (machine_is_usb_a9g20()) + sam9_smc_configure(3, &usb_a9g20_nand_smc_config); + else + sam9_smc_configure(3, &usb_a9260_nand_smc_config); at91_add_device_nand(&ek_nand_data); } @@ -237,15 +309,20 @@ static struct gpio_led ek_leds[] = { } }; -void ek_add_device_leds(void) +static struct i2c_board_info __initdata ek_i2c_devices[] = { + { + I2C_BOARD_INFO("rv3029c2", 0x56), + }, +}; + +static void __init ek_add_device_leds(void) { - if (machine_is_usb_a9260()) + if (machine_is_usb_a9260() || machine_is_usb_a9g20()) ek_leds[0].active_low = 0; at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); } - static void __init ek_board_init(void) { /* Serial */ @@ -260,15 +337,22 @@ static void __init ek_board_init(void) ek_add_device_eth(); /* NAND */ ek_add_device_nand(); - /* I2C */ - at91_add_device_i2c(NULL, 0); /* Push Buttons */ ek_add_device_buttons(); /* LEDs */ ek_add_device_leds(); - /* shutdown controller, wakeup button (5 msec low) */ - at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) | AT91_SHDW_WKMODE0_LOW + + if (machine_is_usb_a9g20()) { + /* I2C */ + at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices)); + } else { + /* I2C */ + at91_add_device_i2c(NULL, 0); + /* shutdown controller, wakeup button (5 msec low) */ + at91_sys_write(AT91_SHDW_MR, AT91_SHDW_CPTWK0_(10) + | AT91_SHDW_WKMODE0_LOW | AT91_SHDW_RTTWKEN); + } } MACHINE_START(USB_A9263, "CALAO USB_A9263") @@ -288,3 +372,12 @@ MACHINE_START(USB_A9260, "CALAO USB_A9260") .init_irq = at91_init_irq_default, .init_machine = ek_board_init, MACHINE_END + +MACHINE_START(USB_A9G20, "CALAO USB_A92G0") + /* Maintainer: Jean-Christophe PLAGNIOL-VILLARD */ + .timer = &at91sam926x_timer, + .map_io = at91_map_io, + .init_early = ek_init_early, + .init_irq = at91_init_irq_default, + .init_machine = ek_board_init, +MACHINE_END diff --git a/arch/arm/mach-at91/include/mach/timex.h b/arch/arm/mach-at91/include/mach/timex.h index 31ac2d97f14c..85820ad801cc 100644 --- a/arch/arm/mach-at91/include/mach/timex.h +++ b/arch/arm/mach-at91/include/mach/timex.h @@ -64,7 +64,12 @@ #elif defined(CONFIG_ARCH_AT91SAM9G20) +#if defined(CONFIG_MACH_USB_A9G20) +#define AT91SAM9_MASTER_CLOCK 133000000 +#else #define AT91SAM9_MASTER_CLOCK 132096000 +#endif + #define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) #elif defined(CONFIG_ARCH_AT91SAM9G45) |
