2012-03-30 05:38:29 +00:00
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/*
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* On-Chip devices setup code for the AT91SAM9x5 family
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*
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* Copyright (C) 2010 Atmel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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*/
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#include <common.h>
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#include <sizes.h>
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#include <asm/armlinux.h>
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#include <asm/hardware.h>
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#include <mach/board.h>
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#include <mach/at91_pmc.h>
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#include <mach/at91sam9x5_matrix.h>
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2013-01-27 16:40:51 +00:00
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#include <mach/at91sam9_ddrsdr.h>
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2012-03-30 05:38:29 +00:00
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#include <mach/gpio.h>
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#include <mach/io.h>
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#include <mach/cpu.h>
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2012-11-01 15:07:21 +00:00
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#include <i2c/i2c-gpio.h>
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2012-03-30 05:38:29 +00:00
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#include "generic.h"
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void at91_add_device_sdram(u32 size)
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{
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2013-01-27 16:40:51 +00:00
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if (!size)
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size = at91sam9x5_get_ddram_size();
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2012-03-30 05:38:29 +00:00
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arm_add_mem_device("ram0", AT91_CHIPSELECT_1, size);
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add_mem_device("sram0", AT91SAM9X5_SRAM_BASE,
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AT91SAM9X5_SRAM_SIZE, IORESOURCE_MEM_WRITEABLE);
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}
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/* --------------------------------------------------------------------
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* USB Host (OHCI)
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_USB_OHCI)
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void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data)
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{
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int i;
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if (!data)
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return;
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/* Enable VBus control for UHP ports */
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for (i = 0; i < data->ports; i++) {
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->vbus_pin[i]))
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2013-01-21 20:09:52 +00:00
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at91_set_gpio_output(data->vbus_pin[i],
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data->vbus_pin_active_low[i]);
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2012-03-30 05:38:29 +00:00
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}
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2012-04-15 18:29:34 +00:00
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add_generic_device("at91_ohci", DEVICE_ID_DYNAMIC, NULL, AT91SAM9X5_OHCI_BASE,
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SZ_1M, IORESOURCE_MEM, data);
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2012-03-30 05:38:29 +00:00
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}
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#else
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void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {}
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#endif
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2013-01-21 20:09:55 +00:00
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#if defined(CONFIG_USB_EHCI)
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void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data)
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{
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int i;
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if (!data)
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return;
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/* Enable VBus control for UHP ports */
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for (i = 0; i < data->ports; i++) {
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if (gpio_is_valid(data->vbus_pin[i]))
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at91_set_gpio_output(data->vbus_pin[i],
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data->vbus_pin_active_low[i]);
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}
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add_generic_device("atmel-ehci", DEVICE_ID_SINGLE, NULL, AT91SAM9X5_EHCI_BASE,
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1024 * 1024, IORESOURCE_MEM, data);
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}
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#else
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void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {}
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#endif
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2012-03-30 05:38:29 +00:00
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#if defined(CONFIG_DRIVER_NET_MACB)
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void at91_add_device_eth(int id, struct at91_ether_platform_data *data)
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{
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resource_size_t start;
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if (!data)
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return;
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if (cpu_is_at91sam9g15())
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return;
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if (id && !cpu_is_at91sam9x25())
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return;
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switch (id) {
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case 0:
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start = AT91SAM9X5_BASE_EMAC0;
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/* Pins used for MII and RMII */
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at91_set_A_periph(AT91_PIN_PB4, 0); /* ETXCK_EREFCK */
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at91_set_A_periph(AT91_PIN_PB3, 0); /* ERXDV */
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at91_set_A_periph(AT91_PIN_PB0, 0); /* ERX0 */
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at91_set_A_periph(AT91_PIN_PB1, 0); /* ERX1 */
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at91_set_A_periph(AT91_PIN_PB2, 0); /* ERXER */
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at91_set_A_periph(AT91_PIN_PB7, 0); /* ETXEN */
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at91_set_A_periph(AT91_PIN_PB9, 0); /* ETX0 */
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at91_set_A_periph(AT91_PIN_PB10, 0); /* ETX1 */
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at91_set_A_periph(AT91_PIN_PB5, 0); /* EMDIO */
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at91_set_A_periph(AT91_PIN_PB6, 0); /* EMDC */
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2013-01-28 22:27:27 +00:00
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if (data->phy_interface != PHY_INTERFACE_MODE_RMII) {
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2012-03-30 05:38:29 +00:00
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at91_set_A_periph(AT91_PIN_PB16, 0); /* ECRS */
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at91_set_A_periph(AT91_PIN_PB17, 0); /* ECOL */
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at91_set_A_periph(AT91_PIN_PB13, 0); /* ERX2 */
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at91_set_A_periph(AT91_PIN_PB14, 0); /* ERX3 */
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at91_set_A_periph(AT91_PIN_PB15, 0); /* ERXCK */
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at91_set_A_periph(AT91_PIN_PB11, 0); /* ETX2 */
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at91_set_A_periph(AT91_PIN_PB12, 0); /* ETX3 */
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at91_set_A_periph(AT91_PIN_PB8, 0); /* ETXER */
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}
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break;
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case 1:
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start = AT91SAM9X5_BASE_EMAC1;
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2013-01-28 22:27:27 +00:00
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if (data->phy_interface != PHY_INTERFACE_MODE_RMII)
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2012-03-30 05:38:29 +00:00
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pr_warn("AT91: Only RMII available on interface macb%d.\n", id);
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/* Pins used for RMII */
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at91_set_B_periph(AT91_PIN_PC29, 0); /* ETXCK_EREFCK */
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at91_set_B_periph(AT91_PIN_PC28, 0); /* ECRSDV */
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at91_set_B_periph(AT91_PIN_PC20, 0); /* ERX0 */
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at91_set_B_periph(AT91_PIN_PC21, 0); /* ERX1 */
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at91_set_B_periph(AT91_PIN_PC16, 0); /* ERXER */
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at91_set_B_periph(AT91_PIN_PC27, 0); /* ETXEN */
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at91_set_B_periph(AT91_PIN_PC18, 0); /* ETX0 */
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at91_set_B_periph(AT91_PIN_PC19, 0); /* ETX1 */
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at91_set_B_periph(AT91_PIN_PC31, 0); /* EMDIO */
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at91_set_B_periph(AT91_PIN_PC30, 0); /* EMDC */
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break;
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default:
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return;
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}
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add_generic_device("macb", id, NULL, start, SZ_16K,
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IORESOURCE_MEM, data);
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}
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#else
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void at91_add_device_eth(int id, struct at91_ether_platform_data *data) {}
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#endif
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2012-11-03 11:36:32 +00:00
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#if defined(CONFIG_MCI_ATMEL)
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/* Consider only one slot : slot 0 */
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void __init at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data *data)
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{
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resource_size_t start = ~0;
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if (!data)
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return;
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/* Must have at least one usable slot */
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if (!data->bus_width)
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return;
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/* input/irq */
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->detect_pin)) {
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2012-11-03 11:36:32 +00:00
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at91_set_gpio_input(data->detect_pin, 1);
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at91_set_deglitch(data->detect_pin, 1);
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}
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->wp_pin))
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2012-11-03 11:36:32 +00:00
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at91_set_gpio_input(data->wp_pin, 1);
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if (mmc_id == 0) { /* MCI0 */
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start = AT91SAM9X5_BASE_MCI0;
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/* CLK */
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at91_set_A_periph(AT91_PIN_PA17, 0);
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/* CMD */
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at91_set_A_periph(AT91_PIN_PA16, 1);
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/* DAT0, maybe DAT1..DAT3 */
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at91_set_A_periph(AT91_PIN_PA15, 1);
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if (data->bus_width == 4) {
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at91_set_A_periph(AT91_PIN_PA18, 1);
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at91_set_A_periph(AT91_PIN_PA19, 1);
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at91_set_A_periph(AT91_PIN_PA20, 1);
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}
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} else { /* MCI1 */
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start = AT91SAM9X5_BASE_MCI1;
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/* CLK */
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at91_set_B_periph(AT91_PIN_PA13, 0);
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/* CMD */
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at91_set_B_periph(AT91_PIN_PA12, 1);
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/* DAT0, maybe DAT1..DAT3 */
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at91_set_B_periph(AT91_PIN_PA11, 1);
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if (data->bus_width == 4) {
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at91_set_B_periph(AT91_PIN_PA2, 1);
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at91_set_B_periph(AT91_PIN_PA3, 1);
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at91_set_B_periph(AT91_PIN_PA4, 1);
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}
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}
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add_generic_device("atmel_mci", mmc_id, NULL, start, SZ_16K,
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IORESOURCE_MEM, data);
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}
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#else
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void __init at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data *data) {}
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#endif
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2012-03-30 05:38:29 +00:00
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/* --------------------------------------------------------------------
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* NAND / SmartMedia
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* -------------------------------------------------------------------- */
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#if defined(CONFIG_NAND_ATMEL)
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static struct resource nand_resources[] = {
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[0] = {
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.start = AT91_CHIPSELECT_3,
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2012-05-24 06:52:22 +00:00
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.end = AT91_CHIPSELECT_3 + SZ_256M - 1,
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2012-03-30 05:38:29 +00:00
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = AT91_BASE_SYS + AT91_PMECC,
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2012-10-17 18:04:24 +00:00
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.end = AT91_BASE_SYS + AT91_PMECC + 0x600 - 1,
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2012-03-30 05:38:29 +00:00
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.flags = IORESOURCE_MEM,
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2012-10-17 18:04:24 +00:00
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},
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[2] = {
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.start = AT91_BASE_SYS + AT91_PMERRLOC,
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.end = AT91_BASE_SYS + AT91_PMERRLOC + 0x200 - 1,
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.flags = IORESOURCE_MEM,
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},
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[3] = {
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.start = AT91SAM9X5_ROM_BASE,
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.end = AT91SAM9X5_ROM_BASE + AT91SAM9X5_ROM_SIZE - 1,
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.flags = IORESOURCE_MEM,
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},
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2012-03-30 05:38:29 +00:00
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};
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void __init at91_add_device_nand(struct atmel_nand_data *data)
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{
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unsigned long csa;
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if (!data)
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return;
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csa = at91_sys_read(AT91_MATRIX_EBICSA);
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at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_NANDFLASH);
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2012-10-17 18:04:24 +00:00
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data->pmecc_lookup_table_offset = 0x8000;
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2012-03-30 05:38:29 +00:00
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/* enable pin */
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->enable_pin))
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2012-03-30 05:38:29 +00:00
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at91_set_gpio_output(data->enable_pin, 1);
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/* ready/busy pin */
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->rdy_pin))
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2012-03-30 05:38:29 +00:00
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at91_set_gpio_input(data->rdy_pin, 1);
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/* card detect pin */
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2012-12-20 14:31:45 +00:00
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if (gpio_is_valid(data->det_pin))
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2012-03-30 05:38:29 +00:00
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at91_set_gpio_input(data->det_pin, 1);
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add_generic_device_res("atmel_nand", 0, nand_resources,
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ARRAY_SIZE(nand_resources), data);
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}
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#else
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void __init at91_add_device_nand(struct atmel_nand_data *data) {}
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#endif
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2012-11-01 15:07:21 +00:00
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#if defined(CONFIG_I2C_GPIO)
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static struct i2c_gpio_platform_data pdata_i2c0 = {
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.sda_pin = AT91_PIN_PA30,
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.sda_is_open_drain = 1,
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.scl_pin = AT91_PIN_PA31,
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.scl_is_open_drain = 1,
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.udelay = 5, /* ~100 kHz */
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};
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static struct i2c_gpio_platform_data pdata_i2c1 = {
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.sda_pin = AT91_PIN_PC0,
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.sda_is_open_drain = 1,
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.scl_pin = AT91_PIN_PC1,
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.scl_is_open_drain = 1,
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.udelay = 5, /* ~100 kHz */
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};
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static struct i2c_gpio_platform_data pdata_i2c2 = {
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.sda_pin = AT91_PIN_PB4,
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.sda_is_open_drain = 1,
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.scl_pin = AT91_PIN_PB5,
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.scl_is_open_drain = 1,
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.udelay = 5, /* ~100 kHz */
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};
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void at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices)
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{
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struct i2c_gpio_platform_data *pdata;
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i2c_register_board_info(i2c_id, devices, nr_devices);
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switch (i2c_id) {
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case 0:
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pdata = &pdata_i2c0;
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break;
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case 1:
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pdata = &pdata_i2c1;
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break;
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case 2:
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pdata = &pdata_i2c2;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
at91_set_GPIO_periph(pdata->sda_pin, 1); /* TWD (SDA) */
|
|
|
|
at91_set_multi_drive(pdata->sda_pin, 1);
|
|
|
|
|
|
|
|
at91_set_GPIO_periph(pdata->scl_pin, 1); /* TWCK (SCL) */
|
|
|
|
at91_set_multi_drive(pdata->scl_pin, 1);
|
|
|
|
|
|
|
|
add_generic_device_res("i2c-gpio", i2c_id, NULL, 0, pdata);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
void at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) {}
|
|
|
|
#endif
|
|
|
|
|
2012-11-03 11:36:30 +00:00
|
|
|
/* --------------------------------------------------------------------
|
|
|
|
* SPI
|
|
|
|
* -------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
#if defined(CONFIG_DRIVER_SPI_ATMEL)
|
|
|
|
static unsigned spi0_standard_cs[4] = { AT91_PIN_PA14, AT91_PIN_PA7, AT91_PIN_PA1, AT91_PIN_PB3 };
|
|
|
|
|
|
|
|
static unsigned spi1_standard_cs[4] = { AT91_PIN_PA8, AT91_PIN_PA0, AT91_PIN_PA31, AT91_PIN_PA30 };
|
|
|
|
|
|
|
|
static struct at91_spi_platform_data spi_pdata[] = {
|
|
|
|
[0] = {
|
|
|
|
.chipselect = spi0_standard_cs,
|
|
|
|
.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
|
|
|
|
},
|
|
|
|
[1] = {
|
|
|
|
.chipselect = spi1_standard_cs,
|
|
|
|
.num_chipselect = ARRAY_SIZE(spi1_standard_cs),
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
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 */
|
2012-12-20 14:31:45 +00:00
|
|
|
if (gpio_is_valid(cs_pin))
|
2012-11-03 11:36:30 +00:00
|
|
|
at91_set_gpio_output(cs_pin, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Configure SPI bus(es) */
|
|
|
|
switch (spi_id) {
|
|
|
|
case 0:
|
|
|
|
start = AT91SAM9X5_BASE_SPI0;
|
|
|
|
at91_set_A_periph(AT91_PIN_PA11, 0); /* SPI0_MISO */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA12, 0); /* SPI0_MOSI */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA13, 0); /* SPI0_SPCK */
|
|
|
|
break;
|
|
|
|
case 1:
|
|
|
|
start = AT91SAM9X5_BASE_SPI1;
|
|
|
|
at91_set_B_periph(AT91_PIN_PA21, 0); /* SPI1_MISO */
|
|
|
|
at91_set_B_periph(AT91_PIN_PA22, 0); /* SPI1_MOSI */
|
|
|
|
at91_set_B_periph(AT91_PIN_PA23, 0); /* SPI1_SPCK */
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
|
|
|
|
IORESOURCE_MEM, pdata);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
|
|
|
|
#endif
|
|
|
|
|
2013-01-31 11:54:57 +00:00
|
|
|
/* --------------------------------------------------------------------
|
|
|
|
* LCD Controller
|
|
|
|
* -------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
#if defined(CONFIG_DRIVER_VIDEO_ATMEL_HLCD)
|
|
|
|
void __init at91_add_device_lcdc(struct atmel_lcdfb_platform_data *data)
|
|
|
|
{
|
|
|
|
BUG_ON(!data);
|
|
|
|
|
|
|
|
if (cpu_is_at91sam9g25() || cpu_is_at91sam9x25()) {
|
|
|
|
pr_warn("AT91: no lcd on at91sam9g25 or at91sam9x25\n");
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
at91_set_A_periph(AT91_PIN_PC26, 0); /* LCDPWM */
|
|
|
|
|
|
|
|
at91_set_A_periph(AT91_PIN_PC27, 0); /* LCDVSYNC */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC28, 0); /* LCDHSYNC */
|
|
|
|
|
|
|
|
at91_set_A_periph(AT91_PIN_PC24, 0); /* LCDDISP */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC29, 0); /* LCDDEN */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC30, 0); /* LCDPCK */
|
|
|
|
|
|
|
|
at91_set_A_periph(AT91_PIN_PC0, 0); /* LCDD0 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC1, 0); /* LCDD1 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC2, 0); /* LCDD2 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDD3 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC4, 0); /* LCDD4 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDD5 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDD6 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDD7 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC8, 0); /* LCDD8 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC9, 0); /* LCDD9 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC10, 0); /* LCDD10 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC11, 0); /* LCDD11 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC12, 0); /* LCDD12 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC13, 0); /* LCDD13 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC14, 0); /* LCDD14 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC15, 0); /* LCDD15 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC16, 0); /* LCDD16 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC17, 0); /* LCDD17 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC18, 0); /* LCDD18 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC19, 0); /* LCDD19 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC20, 0); /* LCDD20 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC21, 0); /* LCDD21 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC22, 0); /* LCDD22 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PC23, 0); /* LCDD23 */
|
|
|
|
|
|
|
|
add_generic_device("atmel_hlcdfb", DEVICE_ID_SINGLE, NULL, AT91SAM9X5_BASE_LCDC, SZ_4K,
|
|
|
|
IORESOURCE_MEM, data);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
void __init at91_add_device_lcdc(struct atmel_lcdfb_platform_data *data) {}
|
|
|
|
#endif
|
|
|
|
|
2012-03-30 05:38:29 +00:00
|
|
|
/* --------------------------------------------------------------------
|
|
|
|
* UART
|
|
|
|
* -------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
#if defined(CONFIG_DRIVER_SERIAL_ATMEL)
|
2012-05-25 07:08:15 +00:00
|
|
|
resource_size_t __init at91_configure_dbgu(void)
|
2012-03-30 05:38:29 +00:00
|
|
|
{
|
|
|
|
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA10, 1); /* DTXD */
|
2012-05-25 07:08:15 +00:00
|
|
|
|
|
|
|
return AT91_BASE_SYS + AT91_DBGU;
|
2012-03-30 05:38:29 +00:00
|
|
|
}
|
|
|
|
|
2012-05-25 07:08:15 +00:00
|
|
|
resource_size_t __init at91_configure_usart0(unsigned pins)
|
2012-03-30 05:38:29 +00:00
|
|
|
{
|
|
|
|
at91_set_A_periph(AT91_PIN_PA0, 1); /* TXD0 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA1, 0); /* RXD0 */
|
|
|
|
|
|
|
|
if (pins & ATMEL_UART_RTS)
|
|
|
|
at91_set_A_periph(AT91_PIN_PA2, 0); /* RTS0 */
|
|
|
|
if (pins & ATMEL_UART_CTS)
|
|
|
|
at91_set_A_periph(AT91_PIN_PA3, 0); /* CTS0 */
|
2012-05-25 07:08:15 +00:00
|
|
|
|
|
|
|
return AT91SAM9X5_BASE_USART0;
|
2012-03-30 05:38:29 +00:00
|
|
|
}
|
|
|
|
|
2012-05-25 07:08:15 +00:00
|
|
|
resource_size_t __init at91_configure_usart1(unsigned pins)
|
2012-03-30 05:38:29 +00:00
|
|
|
{
|
|
|
|
at91_set_A_periph(AT91_PIN_PA5, 1); /* TXD1 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA6, 0); /* RXD1 */
|
|
|
|
|
|
|
|
if (pins & ATMEL_UART_RTS)
|
|
|
|
at91_set_C_periph(AT91_PIN_PC27, 0); /* RTS1 */
|
|
|
|
if (pins & ATMEL_UART_CTS)
|
|
|
|
at91_set_C_periph(AT91_PIN_PC28, 0); /* CTS1 */
|
2012-05-25 07:08:15 +00:00
|
|
|
|
|
|
|
return AT91SAM9X5_BASE_USART1;
|
2012-03-30 05:38:29 +00:00
|
|
|
}
|
|
|
|
|
2012-05-25 07:08:15 +00:00
|
|
|
resource_size_t __init at91_configure_usart2(unsigned pins)
|
2012-03-30 05:38:29 +00:00
|
|
|
{
|
|
|
|
at91_set_A_periph(AT91_PIN_PA7, 1); /* TXD2 */
|
|
|
|
at91_set_A_periph(AT91_PIN_PA8, 0); /* RXD2 */
|
|
|
|
|
|
|
|
if (pins & ATMEL_UART_RTS)
|
|
|
|
at91_set_B_periph(AT91_PIN_PB0, 0); /* RTS2 */
|
|
|
|
if (pins & ATMEL_UART_CTS)
|
|
|
|
at91_set_B_periph(AT91_PIN_PB1, 0); /* CTS2 */
|
2012-05-25 07:08:15 +00:00
|
|
|
|
|
|
|
return AT91SAM9X5_BASE_USART2;
|
2012-03-30 05:38:29 +00:00
|
|
|
}
|
|
|
|
|
2012-05-25 07:08:15 +00:00
|
|
|
resource_size_t __init at91_configure_usart3(unsigned pins)
|
2012-03-30 05:38:29 +00:00
|
|
|
{
|
|
|
|
at91_set_B_periph(AT91_PIN_PC22, 1); /* TXD3 */
|
|
|
|
at91_set_B_periph(AT91_PIN_PC23, 0); /* RXD3 */
|
|
|
|
|
|
|
|
if (pins & ATMEL_UART_RTS)
|
|
|
|
at91_set_B_periph(AT91_PIN_PC24, 0); /* RTS3 */
|
|
|
|
if (pins & ATMEL_UART_CTS)
|
|
|
|
at91_set_B_periph(AT91_PIN_PC25, 0); /* CTS3 */
|
|
|
|
|
2012-05-25 07:08:15 +00:00
|
|
|
return AT91SAM9X5_BASE_USART3;
|
2012-03-30 05:38:29 +00:00
|
|
|
}
|
|
|
|
#endif
|