void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	/* Enable VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (gpio_is_valid(data->vbus_pin[i]))
			at91_set_gpio_output(data->vbus_pin[i],
					     data->vbus_pin_active_low[i]);
	}

	usbh_ehci_data = *data;
	platform_device_register(&at91_usbh_ehci_device);
}
Exemplo n.º 2
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void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
{
	int i;
	unsigned long cs_pin;
	short enable_spi0 = 0;
	short enable_spi1 = 0;

	/* Choose SPI chip-selects */
	for (i = 0; i < nr_devices; i++) {
		if (devices[i].controller_data)
			cs_pin = (unsigned long) devices[i].controller_data;
		else if (devices[i].bus_num == 0)
			cs_pin = spi0_standard_cs[devices[i].chip_select];
		else
			cs_pin = spi1_standard_cs[devices[i].chip_select];

		if (devices[i].bus_num == 0)
			enable_spi0 = 1;
		else
			enable_spi1 = 1;

		/* enable chip-select pin */
		at91_set_gpio_output(cs_pin, 1);

		/* pass chip-select pin to driver */
		devices[i].controller_data = (void *) cs_pin;
	}

	spi_register_board_info(devices, nr_devices);

	/* Configure SPI bus(es) */
	if (enable_spi0) {
		at91_set_A_periph(AT91_PIN_PB0, 0);	/* SPI0_MISO */
		at91_set_A_periph(AT91_PIN_PB1, 0);	/* SPI0_MOSI */
		at91_set_A_periph(AT91_PIN_PB2, 0);	/* SPI0_SPCK */

		platform_device_register(&at91sam9g45_spi0_device);
	}
	if (enable_spi1) {
		at91_set_A_periph(AT91_PIN_PB14, 0);	/* SPI1_MISO */
		at91_set_A_periph(AT91_PIN_PB15, 0);	/* SPI1_MOSI */
		at91_set_A_periph(AT91_PIN_PB16, 0);	/* SPI1_SPCK */

		platform_device_register(&at91sam9g45_spi1_device);
	}
}
Exemplo n.º 3
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void __init at91_add_device_ac97(struct atmel_ac97_data *data)
{
	if (!data)
		return;

	at91_set_A_periph(AT91_PIN_PB0, 0);	/* AC97FS */
	at91_set_A_periph(AT91_PIN_PB1, 0);	/* AC97CK */
	at91_set_A_periph(AT91_PIN_PB2, 0);	/* AC97TX */
	at91_set_A_periph(AT91_PIN_PB3, 0);	/* AC97RX */

	/* reset */
	if (data->reset_pin)
		at91_set_gpio_output(data->reset_pin, 0);

	ac97_data = *data;
	platform_device_register(&at91sam9263_ac97_device);
}
void __init at91_add_device_ac97(struct ac97c_platform_data *data)
{
	if (!data)
		return;

	at91_set_A_periph(AT91_PIN_PD8, 0);	/* AC97FS */
	at91_set_A_periph(AT91_PIN_PD9, 0);	/* AC97CK */
	at91_set_A_periph(AT91_PIN_PD7, 0);	/* AC97TX */
	at91_set_A_periph(AT91_PIN_PD6, 0);	/* AC97RX */

	/* reset */
	if (gpio_is_valid(data->reset_pin))
		at91_set_gpio_output(data->reset_pin, 0);

	ac97_data = *data;
	platform_device_register(&at91sam9g45_ac97_device);
}
void __init at91_add_device_ac97(struct ac97c_platform_data *data)
{
	if (!data)
		return;

	at91_set_A_periph(AT91_PIN_PA6, 0);	/* AC97FS */
	at91_set_A_periph(AT91_PIN_PA7, 0);	/* AC97CK */
	at91_set_A_periph(AT91_PIN_PA8, 0);	/* AC97TX */
	at91_set_A_periph(AT91_PIN_PA9, 0);	/* AC97RX */

	/* reset */
	if (data->reset_pin)
		at91_set_gpio_output(data->reset_pin, 0);

	ac97_data = *data;
	platform_device_register(&at91cap9_ac97_device);
}
void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	/* Enable VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (data->vbus_pin[i])
			at91_set_gpio_output(data->vbus_pin[i], 0);
	}

	usbh_ehci_data = *data;
	at91_clock_associate("uhphs_clk", &at91_usbh_ehci_device.dev, "ehci_clk");
	platform_device_register(&at91_usbh_ehci_device);
}
Exemplo n.º 7
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void __init at91_add_device_ac97(struct ac97c_platform_data *data)
{
	if (!data)
		return;

	at91_set_A_periph(AT91_PIN_PD1, 0);	
	at91_set_A_periph(AT91_PIN_PD2, 0);	
	at91_set_A_periph(AT91_PIN_PD3, 0);	
	at91_set_A_periph(AT91_PIN_PD4, 0);	

	
	if (gpio_is_valid(data->reset_pin))
		at91_set_gpio_output(data->reset_pin, 0);

	ac97_data = *data;
	platform_device_register(&at91sam9rl_ac97_device);
}
Exemplo n.º 8
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void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	/* Enable VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (gpio_is_valid(data->vbus_pin[i]))
			at91_set_gpio_output(data->vbus_pin[i],
					     data->vbus_pin_active_low[i]);
	}

	add_generic_device("at91_ohci", DEVICE_ID_DYNAMIC, NULL, AT91SAM9261_UHP_BASE,
			1024 * 1024, IORESOURCE_MEM, data);
}
void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
{
	if (!data)
		return;

	/*           */
	if (gpio_is_valid(data->det_pin)) {
		at91_set_gpio_input(data->det_pin, 1);
		at91_set_deglitch(data->det_pin, 1);
	}
	if (gpio_is_valid(data->wp_pin))
		at91_set_gpio_input(data->wp_pin, 1);
	if (gpio_is_valid(data->vcc_pin))
		at91_set_gpio_output(data->vcc_pin, 0);

	/*     */
	at91_set_A_periph(AT91_PIN_PA8, 0);

	if (data->slot_b) {
		/*     */
		at91_set_B_periph(AT91_PIN_PA1, 1);

		/*                        */
		at91_set_B_periph(AT91_PIN_PA0, 1);
		if (data->wire4) {
			at91_set_B_periph(AT91_PIN_PA5, 1);
			at91_set_B_periph(AT91_PIN_PA4, 1);
			at91_set_B_periph(AT91_PIN_PA3, 1);
		}
	} else {
		/*     */
		at91_set_A_periph(AT91_PIN_PA7, 1);

		/*                        */
		at91_set_A_periph(AT91_PIN_PA6, 1);
		if (data->wire4) {
			at91_set_A_periph(AT91_PIN_PA9, 1);
			at91_set_A_periph(AT91_PIN_PA10, 1);
			at91_set_A_periph(AT91_PIN_PA11, 1);
		}
	}

	mmc_data = *data;
	platform_device_register(&at91sam9260_mmc_device);
}
Exemplo n.º 10
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void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data)
{
	if (!data)
		return;

	/* input/irq */
	if (gpio_is_valid(data->det_pin)) {
		at91_set_gpio_input(data->det_pin, 1);
		at91_set_deglitch(data->det_pin, 1);
	}
	if (gpio_is_valid(data->wp_pin))
		at91_set_gpio_input(data->wp_pin, 1);
	if (gpio_is_valid(data->vcc_pin))
		at91_set_gpio_output(data->vcc_pin, 0);

	/* CLK */
	at91_set_A_periph(AT91_PIN_PA27, 0);

	if (data->slot_b) {
		/* CMD */
		at91_set_B_periph(AT91_PIN_PA8, 1);

		/* DAT0, maybe DAT1..DAT3 */
		at91_set_B_periph(AT91_PIN_PA9, 1);
		if (data->wire4) {
			at91_set_B_periph(AT91_PIN_PA10, 1);
			at91_set_B_periph(AT91_PIN_PA11, 1);
			at91_set_B_periph(AT91_PIN_PA12, 1);
		}
	} else {
		/* CMD */
		at91_set_A_periph(AT91_PIN_PA28, 1);

		/* DAT0, maybe DAT1..DAT3 */
		at91_set_A_periph(AT91_PIN_PA29, 1);
		if (data->wire4) {
			at91_set_B_periph(AT91_PIN_PB3, 1);
			at91_set_B_periph(AT91_PIN_PB4, 1);
			at91_set_B_periph(AT91_PIN_PB5, 1);
		}
	}

	mmc_data = *data;
	platform_device_register(&at91rm9200_mmc_device);
}
Exemplo n.º 11
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resource_size_t __init at91_configure_usart0(unsigned pins)
{
	at91_set_A_periph(AT91_PIN_PA17, 1);		/* TXD0 */
	at91_set_A_periph(AT91_PIN_PA18, 0);		/* RXD0 */

	if (pins & ATMEL_UART_CTS)
		at91_set_A_periph(AT91_PIN_PA20, 0);	/* CTS0 */

	if (pins & ATMEL_UART_RTS) {
		/*
		 * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21.
		 *  We need to drive the pin manually.  Default is off (RTS is active low).
		 */
		at91_set_gpio_output(AT91_PIN_PA21, 1);
	}

	return AT91RM9200_BASE_US0;
}
Exemplo n.º 12
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void coloured_LED_init(void)
{
	/* Enable clock */
	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD);

	at91_set_gpio_output(CONFIG_RED_LED, 1);
	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
	at91_set_gpio_output(CONFIG_YELLOW_LED, 1);

	at91_set_gpio_output(CONFIG_RED_LED, 0);
	at91_set_gpio_output(CONFIG_GREEN_LED, 1);
	at91_set_gpio_output(CONFIG_YELLOW_LED, 1);
}
void __init at91_add_device_usbh(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	if (cpu_is_at91cap9_revB())
		irq_set_irq_type(AT91CAP9_ID_UHP, IRQ_TYPE_LEVEL_HIGH);

	/* Enable VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (data->vbus_pin[i])
			at91_set_gpio_output(data->vbus_pin[i], 0);
	}

	usbh_data = *data;
	platform_device_register(&at91_usbh_device);
}
Exemplo n.º 14
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void __init at91_add_device_nand(struct at91_nand_data *data)
{
	unsigned long csa, mode;

	if (!data)
		return;

	csa = at91_sys_read(AT91_MATRIX_EBICSA);
	at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC);

	/* set the bus interface characteristics */
	at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0)
			| AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0));

	at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5)
			| AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5));

	at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7));

	if (data->bus_width_16)
		mode = AT91_SMC_DBW_16;
	else
		mode = AT91_SMC_DBW_8;
	at91_sys_write(AT91_SMC_MODE(3), mode | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1));

	/* enable pin */
	if (data->enable_pin)
		at91_set_gpio_output(data->enable_pin, 1);

	/* ready/busy pin */
	if (data->rdy_pin)
		at91_set_gpio_input(data->rdy_pin, 1);

	/* card detect pin */
	if (data->det_pin)
		at91_set_gpio_input(data->det_pin, 1);

	at91_set_A_periph(AT91_PIN_PC0, 0);		/* NANDOE */
	at91_set_A_periph(AT91_PIN_PC1, 0);		/* NANDWE */

	nand_data = *data;
	platform_device_register(&at91_nand_device);
}
Exemplo n.º 15
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static void __init bf_board_init(void)
{
	/* Serial */
	at91_add_device_serial();
	/* Ethernet */
	at91_add_device_eth(&bf_eth_data);
	/* USB Host */
	at91_add_device_usbh(&bf_usbh_data);
	/* USB Device */
	at91_add_device_udc(&bf_udc_data);
	at91_set_multi_drive(bf_udc_data.pullup_pin, 1);	/* pullup_pin is connected to reset */
	/* I2C */
	at91_add_device_i2c(bf_i2c_devices,ARRAY_SIZE(bf_i2c_devices));
	/* SPI */
	at91_add_device_spi(bf_spi_devices, ARRAY_SIZE(bf_spi_devices));

	/* MMC */
	at91_set_gpio_output(AT91_PIN_PB7, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
	at91_add_device_mmc(0, &bf_mmc_data);
}
Exemplo n.º 16
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static void __init ek_add_device_dm9000(void)
{
	/*
	 * Configure Chip-Select 2 on SMC for the DM9000.
	 * Note: These timings were calculated for MASTER_CLOCK = 100000000
	 *  according to the DM9000 timings.
	 */
	at91_sys_write(AT91_SMC_SETUP(2), AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) | AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
	at91_sys_write(AT91_SMC_PULSE(2), AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) | AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
	at91_sys_write(AT91_SMC_CYCLE(2), AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
	at91_sys_write(AT91_SMC_MODE(2), AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 | AT91_SMC_TDF_(1));

	/* Configure Reset signal as output */
	at91_set_gpio_output(AT91_PIN_PC10, 0);

	/* Configure Interrupt pin as input, no pull-up */
	at91_set_gpio_input(AT91_PIN_PC11, 0);

	platform_device_register(&at91sam9261_dm9000_device);
}
Exemplo n.º 17
0
static void __init yl_9200_add_device_buttons(void)
{
	//SW2
	at91_set_gpio_input(AT91_PIN_PA24, 0);
	at91_set_deglitch(AT91_PIN_PA24, 1);

	//SW3
	at91_set_gpio_input(AT91_PIN_PB1, 0);
	at91_set_deglitch(AT91_PIN_PB1, 1);
	//SW4
	at91_set_gpio_input(AT91_PIN_PB2, 0);
	at91_set_deglitch(AT91_PIN_PB2, 1);

	//SW5
	at91_set_gpio_input(AT91_PIN_PB6, 0);
	at91_set_deglitch(AT91_PIN_PB6, 1);


	at91_set_gpio_output(AT91_PIN_PB7, 1);	/* #TURN BUTTONS ON, SHEET 5  of schematics */
	platform_device_register(&yl_9200_button_device);
}
Exemplo n.º 18
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static int mmccpu_devices_init(void)
{
	/*
	 * PB27 enables the 50MHz oscillator for Ethernet PHY
	 * 1 - enable
	 * 0 - disable
	 */
	at91_set_gpio_output(AT91_PIN_PB27, 1);
	at91_set_gpio_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */

	at91_add_device_eth(&macb_pdata);
	add_cfi_flash_device(0, AT91_CHIPSELECT_0, 0, 0);

	devfs_add_partition("nor0", 0x00000, 256 * 1024, PARTITION_FIXED, "self0");
	devfs_add_partition("nor0", 0x40000, 128 * 1024, PARTITION_FIXED, "env0");

	armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
	armlinux_set_architecture(MACH_TYPE_MMCCPU);

	return 0;
}
static void __init rsi_ews_board_init(void)
{
	/*        */
	at91_add_device_serial();
	at91_set_gpio_output(AT91_PIN_PA21, 0);
	/*          */
	at91_add_device_eth(&rsi_ews_eth_data);
	/*          */
	at91_add_device_usbh(&rsi_ews_usbh_data);
	/*     */
	at91_add_device_i2c(rsi_ews_i2c_devices,
			ARRAY_SIZE(rsi_ews_i2c_devices));
	/*     */
	at91_add_device_spi(rsi_ews_spi_devices,
			ARRAY_SIZE(rsi_ews_spi_devices));
	/*     */
	at91_add_device_mmc(0, &rsi_ews_mmc_data);
	/*           */
	platform_device_register(&rsiews_nor_flash);
	/*      */
	at91_gpio_leds(rsi_ews_leds, ARRAY_SIZE(rsi_ews_leds));
}
Exemplo n.º 20
0
/*
 * 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));
}
Exemplo n.º 21
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static void at91sam9261ek_nand_hw_init(void)
{
	unsigned long csa;

	/* Enable CS3 */
	csa = at91_sys_read(AT91_MATRIX_EBICSA);
	at91_sys_write(AT91_MATRIX_EBICSA,
		       csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA);

	/* Configure SMC CS3 for NAND/SmartMedia */
	at91_sys_write(AT91_SMC_SETUP(3),
		       AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) |
		       AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0));
	at91_sys_write(AT91_SMC_PULSE(3),
		       AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) |
		       AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3));
	at91_sys_write(AT91_SMC_CYCLE(3),
		       AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5));
	at91_sys_write(AT91_SMC_MODE(3),
		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
		       AT91_SMC_EXNWMODE_DISABLE |
#ifdef CFG_NAND_DBW_16
		       AT91_SMC_DBW_16 |
#else /* CFG_NAND_DBW_8 */
		       AT91_SMC_DBW_8 |
#endif
		       AT91_SMC_TDF_(2));

	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9261_ID_PIOC);

	/* Configure RDY/BSY */
	at91_set_gpio_input(AT91_PIN_PC15, 1);

	/* Enable NandFlash */
	at91_set_gpio_output(AT91_PIN_PC14, 1);

	at91_set_A_periph(AT91_PIN_PC0, 0);	/* NANDOE */
	at91_set_A_periph(AT91_PIN_PC1, 0);	/* NANDWE */
}
Exemplo n.º 22
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static void sbc35_a9g20_nand_hw_init(void)
{
	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
	struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX;
	unsigned long csa;

	/* Enable CS3 */
	csa = readl(&matrix->ebicsa);
	csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA;
	writel(csa, &matrix->ebicsa);

	/* Configure SMC CS3 for NAND/SmartMedia */
	writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) |
		AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0),
		&smc->cs[3].setup);
	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) |
		AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(3),
		&smc->cs[3].pulse);
	writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5),
		&smc->cs[3].cycle);
	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
		AT91_SMC_MODE_EXNW_DISABLE |
#ifdef CONFIG_SYS_NAND_DBW_16
		AT91_SMC_MODE_DBW_16 |
#else /* CONFIG_SYS_NAND_DBW_8 */
		AT91_SMC_MODE_DBW_8 |
#endif
		AT91_SMC_MODE_TDF_CYCLE(2),
		&smc->cs[3].mode);

	writel(1 << ATMEL_ID_PIOC, &pmc->pcer);

	/* Configure RDY/BSY */
	at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1);

	/* Enable NandFlash */
	at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1);
}
Exemplo n.º 23
0
void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	/* Enable VBus control for UHP ports */
	for (i = 0; i < data->ports; i++) {
		if (gpio_is_valid(data->vbus_pin[i]))
			at91_set_gpio_output(data->vbus_pin[i], 0);
	}

	/* Enable overcurrent notification */
	for (i = 0; i < data->ports; i++) {
		if (data->overcurrent_pin[i])
			at91_set_gpio_input(data->overcurrent_pin[i], 1);
	}

	usbh_ohci_data = *data;
	platform_device_register(&at91_usbh_ohci_device);
}
Exemplo n.º 24
0
static void __init neocore926_board_init(void)
{
	/* Serial */
	at91_add_device_serial();

	/* USB Host */
	at91_add_device_usbh(&neocore926_usbh_data);

	/* USB Device */
	at91_add_device_udc(&neocore926_udc_data);

	/* SPI */
	at91_set_gpio_output(AT91_PIN_PE20, 1);		/* select spi0 clock */
	at91_add_device_spi(neocore926_spi_devices, ARRAY_SIZE(neocore926_spi_devices));

	/* Touchscreen */
	neocore926_add_device_ts();

	/* MMC */
	at91_add_device_mmc(1, &neocore926_mmc_data);

	/* Ethernet */
	at91_add_device_eth(&neocore926_macb_data);

	/* NAND */
	neocore926_add_device_nand();

	/* I2C */
	at91_add_device_i2c(NULL, 0);

	/* LCD Controller */
	at91_add_device_lcdc(&neocore926_lcdc_data);

	/* Push Buttons */
	neocore926_add_device_buttons();

	/* AC97 */
	at91_add_device_ac97(&neocore926_ac97_data);
}
Exemplo n.º 25
0
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
	int i;
	int cs_pin;
	resource_size_t start = ~0;

	BUG_ON(spi_id > 1);

	if (!pdata)
		pdata = &spi_pdata[spi_id];

	for (i = 0; i < pdata->num_chipselect; i++) {
		cs_pin = pdata->chipselect[i];

		/* enable chip-select pin */
		if (cs_pin > 0)
			at91_set_gpio_output(cs_pin, 1);
	}

	/* Configure SPI bus(es) */
	switch (spi_id) {
	case 0:
		start = AT91SAM9G45_BASE_SPI0;
		at91_set_A_periph(AT91_PIN_PB0, 0);	/* SPI0_MISO */
		at91_set_A_periph(AT91_PIN_PB1, 0);	/* SPI0_MOSI */
		at91_set_A_periph(AT91_PIN_PB2, 0);	/* SPI0_SPCK */
		break;
	case 1:
		start = AT91SAM9G45_BASE_SPI1;
		at91_set_A_periph(AT91_PIN_PB14, 0);	/* SPI1_MISO */
		at91_set_A_periph(AT91_PIN_PB15, 0);	/* SPI1_MOSI */
		at91_set_A_periph(AT91_PIN_PB16, 0);	/* SPI1_SPCK */
		break;
	}

	add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
			   IORESOURCE_MEM, pdata);
}
Exemplo n.º 26
0
static void __init ek_board_init(void)
{
	/* Serial */
	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART0 on ttyS1. (Rx, Tx, RTS, CTS) */
	at91_register_uart(AT91SAM9263_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
	at91_add_device_serial();
	/* USB Host */
	at91_add_device_usbh(&ek_usbh_data);
	/* USB Device */
	at91_add_device_udc(&ek_udc_data);
	/* SPI */
	at91_set_gpio_output(AT91_PIN_PE20, 1);		/* select spi0 clock */
	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
	/* Touchscreen */
	ek_add_device_ts();
	/* MMC */
	at91_add_device_mmc(1, &ek_mmc_data);
	/* Ethernet */
	at91_add_device_eth(&ek_macb_data);
	/* NAND */
	ek_add_device_nand();
	/* I2C */
	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
	/* LCD Controller */
	at91_add_device_lcdc(&ek_lcdc_data);
	/* Push Buttons */
	ek_add_device_buttons();
	/* AC97 */
	at91_add_device_ac97(&ek_ac97_data);
	/* LEDs */
	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
	at91_pwm_leds(ek_pwm_led, ARRAY_SIZE(ek_pwm_led));
	/* CAN */
	at91_add_device_can(&ek_can_data);
}
Exemplo n.º 27
0
/*
 * Initialize the SPI controller
 */
static int __init at91_spi_init(void)
{
	init_MUTEX(&spi_lock);

	AT91_CfgPIO_SPI();

	controller->SPI_CR = AT91C_SPI_SWRST;	/* software reset of SPI controller */

	/* Set Chip Select registers to good defaults */
//	controller->SPI_CSR0 = AT91C_SPI_CPOL |AT91C_SPI_NCPHA | AT91C_SPI_BITS_8 | (1 << 16) | (15 << 8);
	controller->SPI_CSR0 = AT91C_SPI_BITS_8 | (16 << 16) | (15 << 8);
	controller->SPI_CSR1 = AT91C_SPI_CPOL | AT91C_SPI_BITS_8 | (16 << 16) | (DEFAULT_SPI_BAUD << 8);
	controller->SPI_CSR2 = AT91C_SPI_CPOL | AT91C_SPI_BITS_8 | (16 << 16) | (DEFAULT_SPI_BAUD << 8);
	controller->SPI_CSR3 = AT91C_SPI_CPOL | AT91C_SPI_BITS_8 | (16 << 16) | (DEFAULT_SPI_BAUD << 8);

	controller->SPI_PTCR = AT91C_PDC_RXTDIS | AT91C_PDC_TXTDIS;

	memset(&spi_dev, 0, sizeof(spi_dev));
	spi_dev[0].pcs = 0xE;
	spi_dev[1].pcs = 0xD;
	spi_dev[2].pcs = 0xB;
	spi_dev[3].pcs = 0x7;

	if (request_irq(AT91C_ID_SPI, spi_interrupt, 0, "dudu_spi", NULL))
	{
		printk(KERN_INFO "I am Busy.\n");
		return -EBUSY;
	}
	controller->SPI_CR = AT91C_SPI_SPIEN;		/* Enable SPI */
/******************************************************************************/


	at91_set_gpio_output(AT91_PIN_PA24, 1);
	at91_set_gpio_value(AT91_PIN_PA24, 1);
/******************************************************************************/

	return 0;
}
Exemplo n.º 28
0
static void __init picotux200_board_init(void)
{
	/* Serial */
	/* DBGU on ttyS0. (Rx & Tx only) */
	at91_register_uart(0, 0, 0);

	/* USART1 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
	at91_register_uart(AT91RM9200_ID_US1, 1, ATMEL_UART_CTS | ATMEL_UART_RTS
			  | ATMEL_UART_DTR | ATMEL_UART_DSR | ATMEL_UART_DCD
			  | ATMEL_UART_RI);
	at91_add_device_serial();
	/* Ethernet */
	at91_add_device_eth(&picotux200_eth_data);
	/* USB Host */
	at91_add_device_usbh(&picotux200_usbh_data);
	/* I2C */
	at91_add_device_i2c(NULL, 0);
	/* MMC */
	at91_set_gpio_output(AT91_PIN_PB22, 1);	/* this MMC card slot can optionally use SPI signaling (CS3). */
	at91_add_device_mmc(0, &picotux200_mmc_data);
	/* NOR Flash */
	platform_device_register(&picotux200_flash);
}
Exemplo n.º 29
0
void __init at91_add_device_usbh(struct at91_usbh_data *data)
{
	int i;

	if (!data)
		return;

	
	for (i = 0; i < data->ports; i++) {
		if (gpio_is_valid(data->vbus_pin[i]))
			at91_set_gpio_output(data->vbus_pin[i],
					     data->vbus_pin_active_low[i]);
	}

	
	for (i = 0; i < data->ports; i++) {
		if (data->overcurrent_pin[i])
			at91_set_gpio_input(data->overcurrent_pin[i], 1);
	}

	usbh_data = *data;
	platform_device_register(&at91_usbh_device);
}
Exemplo n.º 30
0
static void at91sam9261ek_dm9000_hw_init(void)
{
	/* Configure SMC CS2 for DM9000 */
	at91_sys_write(AT91_SMC_SETUP(2),
		       AT91_SMC_NWESETUP_(2) | AT91_SMC_NCS_WRSETUP_(0) |
		       AT91_SMC_NRDSETUP_(2) | AT91_SMC_NCS_RDSETUP_(0));
	at91_sys_write(AT91_SMC_PULSE(2),
		       AT91_SMC_NWEPULSE_(4) | AT91_SMC_NCS_WRPULSE_(8) |
		       AT91_SMC_NRDPULSE_(4) | AT91_SMC_NCS_RDPULSE_(8));
	at91_sys_write(AT91_SMC_CYCLE(2),
		       AT91_SMC_NWECYCLE_(16) | AT91_SMC_NRDCYCLE_(16));
	at91_sys_write(AT91_SMC_MODE(2),
		       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
		       AT91_SMC_EXNWMODE_DISABLE |
		       AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16 |
		       AT91_SMC_TDF_(1));

	/* Configure Reset signal as output */
	at91_set_gpio_output(AT91_PIN_PC10, 0);

	/* Configure Interrupt pin as input, no pull-up */
	at91_set_gpio_input(AT91_PIN_PC11, 0);
}