diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9260_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9260_devices.c | 1364 |
1 files changed, 0 insertions, 1364 deletions
diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c deleted file mode 100644 index ef88e0fe4e80..000000000000 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ /dev/null @@ -1,1364 +0,0 @@ -/* - * arch/arm/mach-at91/at91sam9260_devices.c - * - * Copyright (C) 2006 Atmel - * - * 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. - * - */ -#include <asm/mach/arch.h> -#include <asm/mach/map.h> - -#include <linux/dma-mapping.h> -#include <linux/gpio.h> -#include <linux/platform_device.h> -#include <linux/i2c-gpio.h> - -#include <linux/platform_data/at91_adc.h> - -#include <mach/cpu.h> -#include <mach/at91sam9260.h> -#include <mach/at91sam9260_matrix.h> -#include <mach/at91_matrix.h> -#include <mach/at91sam9_smc.h> -#include <mach/hardware.h> - -#include "board.h" -#include "generic.h" -#include "gpio.h" - -/* -------------------------------------------------------------------- - * USB Host - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) -static u64 ohci_dmamask = DMA_BIT_MASK(32); -static struct at91_usbh_data usbh_data; - -static struct resource usbh_resources[] = { - [0] = { - .start = AT91SAM9260_UHP_BASE, - .end = AT91SAM9260_UHP_BASE + SZ_1M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UHP, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91_usbh_device = { - .name = "at91_ohci", - .id = -1, - .dev = { - .dma_mask = &ohci_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &usbh_data, - }, - .resource = usbh_resources, - .num_resources = ARRAY_SIZE(usbh_resources), -}; - -void __init at91_add_device_usbh(struct at91_usbh_data *data) -{ - int i; - - if (!data) - return; - - /* Enable overcurrent notification */ - for (i = 0; i < data->ports; i++) { - if (gpio_is_valid(data->overcurrent_pin[i])) - at91_set_gpio_input(data->overcurrent_pin[i], 1); - } - - usbh_data = *data; - platform_device_register(&at91_usbh_device); -} -#else -void __init at91_add_device_usbh(struct at91_usbh_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * USB Device (Gadget) - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_USB_AT91) || defined(CONFIG_USB_AT91_MODULE) -static struct at91_udc_data udc_data; - -static struct resource udc_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_UDP, - .end = AT91SAM9260_BASE_UDP + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_UDP, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91_udc_device = { - .name = "at91_udc", - .id = -1, - .dev = { - .platform_data = &udc_data, - }, - .resource = udc_resources, - .num_resources = ARRAY_SIZE(udc_resources), -}; - -void __init at91_add_device_udc(struct at91_udc_data *data) -{ - if (!data) - return; - - if (gpio_is_valid(data->vbus_pin)) { - at91_set_gpio_input(data->vbus_pin, 0); - at91_set_deglitch(data->vbus_pin, 1); - } - - /* Pullup pin is handled internally by USB device peripheral */ - - udc_data = *data; - platform_device_register(&at91_udc_device); -} -#else -void __init at91_add_device_udc(struct at91_udc_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * Ethernet - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) -static u64 eth_dmamask = DMA_BIT_MASK(32); -static struct macb_platform_data eth_data; - -static struct resource eth_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_EMAC, - .end = AT91SAM9260_BASE_EMAC + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_EMAC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_eth_device = { - .name = "macb", - .id = -1, - .dev = { - .dma_mask = ð_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = ð_data, - }, - .resource = eth_resources, - .num_resources = ARRAY_SIZE(eth_resources), -}; - -void __init at91_add_device_eth(struct macb_platform_data *data) -{ - if (!data) - return; - - if (gpio_is_valid(data->phy_irq_pin)) { - at91_set_gpio_input(data->phy_irq_pin, 0); - at91_set_deglitch(data->phy_irq_pin, 1); - } - - /* Pins used for MII and RMII */ - at91_set_A_periph(AT91_PIN_PA19, 0); /* ETXCK_EREFCK */ - at91_set_A_periph(AT91_PIN_PA17, 0); /* ERXDV */ - at91_set_A_periph(AT91_PIN_PA14, 0); /* ERX0 */ - at91_set_A_periph(AT91_PIN_PA15, 0); /* ERX1 */ - at91_set_A_periph(AT91_PIN_PA18, 0); /* ERXER */ - at91_set_A_periph(AT91_PIN_PA16, 0); /* ETXEN */ - at91_set_A_periph(AT91_PIN_PA12, 0); /* ETX0 */ - at91_set_A_periph(AT91_PIN_PA13, 0); /* ETX1 */ - at91_set_A_periph(AT91_PIN_PA21, 0); /* EMDIO */ - at91_set_A_periph(AT91_PIN_PA20, 0); /* EMDC */ - - if (!data->is_rmii) { - at91_set_B_periph(AT91_PIN_PA28, 0); /* ECRS */ - at91_set_B_periph(AT91_PIN_PA29, 0); /* ECOL */ - at91_set_B_periph(AT91_PIN_PA25, 0); /* ERX2 */ - at91_set_B_periph(AT91_PIN_PA26, 0); /* ERX3 */ - at91_set_B_periph(AT91_PIN_PA27, 0); /* ERXCK */ - at91_set_B_periph(AT91_PIN_PA23, 0); /* ETX2 */ - at91_set_B_periph(AT91_PIN_PA24, 0); /* ETX3 */ - at91_set_B_periph(AT91_PIN_PA22, 0); /* ETXER */ - } - - eth_data = *data; - platform_device_register(&at91sam9260_eth_device); -} -#else -void __init at91_add_device_eth(struct macb_platform_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * MMC / SD Slot for Atmel MCI Driver - * -------------------------------------------------------------------- */ - -#if IS_ENABLED(CONFIG_MMC_ATMELMCI) -static u64 mmc_dmamask = DMA_BIT_MASK(32); -static struct mci_platform_data mmc_data; - -static struct resource mmc_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_MCI, - .end = AT91SAM9260_BASE_MCI + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_MCI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_mmc_device = { - .name = "atmel_mci", - .id = -1, - .dev = { - .dma_mask = &mmc_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &mmc_data, - }, - .resource = mmc_resources, - .num_resources = ARRAY_SIZE(mmc_resources), -}; - -void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) -{ - unsigned int i; - unsigned int slot_count = 0; - - if (!data) - return; - - for (i = 0; i < ATMCI_MAX_NR_SLOTS; i++) { - if (data->slot[i].bus_width) { - /* input/irq */ - if (gpio_is_valid(data->slot[i].detect_pin)) { - at91_set_gpio_input(data->slot[i].detect_pin, 1); - at91_set_deglitch(data->slot[i].detect_pin, 1); - } - if (gpio_is_valid(data->slot[i].wp_pin)) - at91_set_gpio_input(data->slot[i].wp_pin, 1); - - switch (i) { - case 0: - /* CMD */ - at91_set_A_periph(AT91_PIN_PA7, 1); - /* DAT0, maybe DAT1..DAT3 */ - at91_set_A_periph(AT91_PIN_PA6, 1); - if (data->slot[i].bus_width == 4) { - at91_set_A_periph(AT91_PIN_PA9, 1); - at91_set_A_periph(AT91_PIN_PA10, 1); - at91_set_A_periph(AT91_PIN_PA11, 1); - } - slot_count++; - break; - case 1: - /* CMD */ - at91_set_B_periph(AT91_PIN_PA1, 1); - /* DAT0, maybe DAT1..DAT3 */ - at91_set_B_periph(AT91_PIN_PA0, 1); - if (data->slot[i].bus_width == 4) { - at91_set_B_periph(AT91_PIN_PA5, 1); - at91_set_B_periph(AT91_PIN_PA4, 1); - at91_set_B_periph(AT91_PIN_PA3, 1); - } - slot_count++; - break; - default: - printk(KERN_ERR - "AT91: SD/MMC slot %d not available\n", i); - break; - } - } - } - - if (slot_count) { - /* CLK */ - at91_set_A_periph(AT91_PIN_PA8, 0); - - mmc_data = *data; - platform_device_register(&at91sam9260_mmc_device); - } -} -#else -void __init at91_add_device_mci(short mmc_id, struct mci_platform_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * NAND / SmartMedia - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) -static struct atmel_nand_data nand_data; - -#define NAND_BASE AT91_CHIPSELECT_3 - -static struct resource nand_resources[] = { - [0] = { - .start = NAND_BASE, - .end = NAND_BASE + SZ_256M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = AT91SAM9260_BASE_ECC, - .end = AT91SAM9260_BASE_ECC + SZ_512 - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device at91sam9260_nand_device = { - .name = "atmel_nand", - .id = -1, - .dev = { - .platform_data = &nand_data, - }, - .resource = nand_resources, - .num_resources = ARRAY_SIZE(nand_resources), -}; - -void __init at91_add_device_nand(struct atmel_nand_data *data) -{ - unsigned long csa; - - if (!data) - return; - - csa = at91_matrix_read(AT91_MATRIX_EBICSA); - at91_matrix_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); - - /* enable pin */ - if (gpio_is_valid(data->enable_pin)) - at91_set_gpio_output(data->enable_pin, 1); - - /* ready/busy pin */ - if (gpio_is_valid(data->rdy_pin)) - at91_set_gpio_input(data->rdy_pin, 1); - - /* card detect pin */ - if (gpio_is_valid(data->det_pin)) - at91_set_gpio_input(data->det_pin, 1); - - nand_data = *data; - platform_device_register(&at91sam9260_nand_device); -} -#else -void __init at91_add_device_nand(struct atmel_nand_data *data) {} -#endif - - -/* -------------------------------------------------------------------- - * TWI (i2c) - * -------------------------------------------------------------------- */ - -/* - * Prefer the GPIO code since the TWI controller isn't robust - * (gets overruns and underruns under load) and can only issue - * repeated STARTs in one scenario (the driver doesn't yet handle them). - */ - -#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE) - -static struct i2c_gpio_platform_data pdata = { - .sda_pin = AT91_PIN_PA23, - .sda_is_open_drain = 1, - .scl_pin = AT91_PIN_PA24, - .scl_is_open_drain = 1, - .udelay = 2, /* ~100 kHz */ -}; - -static struct platform_device at91sam9260_twi_device = { - .name = "i2c-gpio", - .id = 0, - .dev.platform_data = &pdata, -}; - -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) -{ - at91_set_GPIO_periph(AT91_PIN_PA23, 1); /* TWD (SDA) */ - at91_set_multi_drive(AT91_PIN_PA23, 1); - - at91_set_GPIO_periph(AT91_PIN_PA24, 1); /* TWCK (SCL) */ - at91_set_multi_drive(AT91_PIN_PA24, 1); - - i2c_register_board_info(0, devices, nr_devices); - platform_device_register(&at91sam9260_twi_device); -} - -#elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) - -static struct resource twi_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_TWI, - .end = AT91SAM9260_BASE_TWI + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TWI, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_twi_device = { - .id = 0, - .resource = twi_resources, - .num_resources = ARRAY_SIZE(twi_resources), -}; - -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) -{ - /* IP version is not the same on 9260 and g20 */ - if (cpu_is_at91sam9g20()) { - at91sam9260_twi_device.name = "i2c-at91sam9g20"; - } else { - at91sam9260_twi_device.name = "i2c-at91sam9260"; - } - - /* pins used for TWI interface */ - at91_set_A_periph(AT91_PIN_PA23, 0); /* TWD */ - at91_set_multi_drive(AT91_PIN_PA23, 1); - - at91_set_A_periph(AT91_PIN_PA24, 0); /* TWCK */ - at91_set_multi_drive(AT91_PIN_PA24, 1); - - i2c_register_board_info(0, devices, nr_devices); - platform_device_register(&at91sam9260_twi_device); -} -#else -void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} -#endif - - -/* -------------------------------------------------------------------- - * SPI - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) -static u64 spi_dmamask = DMA_BIT_MASK(32); - -static struct resource spi0_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_SPI0, - .end = AT91SAM9260_BASE_SPI0 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_spi0_device = { - .name = "atmel_spi", - .id = 0, - .dev = { - .dma_mask = &spi_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = spi0_resources, - .num_resources = ARRAY_SIZE(spi0_resources), -}; - -static const unsigned spi0_standard_cs[4] = { AT91_PIN_PA3, AT91_PIN_PC11, AT91_PIN_PC16, AT91_PIN_PC17 }; - -static struct resource spi1_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_SPI1, - .end = AT91SAM9260_BASE_SPI1 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SPI1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_spi1_device = { - .name = "atmel_spi", - .id = 1, - .dev = { - .dma_mask = &spi_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = spi1_resources, - .num_resources = ARRAY_SIZE(spi1_resources), -}; - -static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 }; - -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 (!gpio_is_valid(cs_pin)) - continue; - - 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_PA0, 0); /* SPI0_MISO */ - at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */ - at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */ - - platform_device_register(&at91sam9260_spi0_device); - } - if (enable_spi1) { - at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */ - at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */ - at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */ - - platform_device_register(&at91sam9260_spi1_device); - } -} -#else -void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} -#endif - - -/* -------------------------------------------------------------------- - * Timer/Counter blocks - * -------------------------------------------------------------------- */ - -#ifdef CONFIG_ATMEL_TCLIB - -static struct resource tcb0_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_TCB0, - .end = AT91SAM9260_BASE_TCB0 + SZ_256 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC0, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC1, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC2, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_tcb0_device = { - .name = "atmel_tcb", - .id = 0, - .resource = tcb0_resources, - .num_resources = ARRAY_SIZE(tcb0_resources), -}; - -static struct resource tcb1_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_TCB1, - .end = AT91SAM9260_BASE_TCB1 + SZ_256 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC3, - .flags = IORESOURCE_IRQ, - }, - [2] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC4, - .flags = IORESOURCE_IRQ, - }, - [3] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_TC5, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_tcb1_device = { - .name = "atmel_tcb", - .id = 1, - .resource = tcb1_resources, - .num_resources = ARRAY_SIZE(tcb1_resources), -}; - -static void __init at91_add_device_tc(void) -{ - platform_device_register(&at91sam9260_tcb0_device); - platform_device_register(&at91sam9260_tcb1_device); -} -#else -static void __init at91_add_device_tc(void) { } -#endif - - -/* -------------------------------------------------------------------- - * RTT - * -------------------------------------------------------------------- */ - -static struct resource rtt_resources[] = { - { - .start = AT91SAM9260_BASE_RTT, - .end = AT91SAM9260_BASE_RTT + SZ_16 - 1, - .flags = IORESOURCE_MEM, - }, { - .flags = IORESOURCE_MEM, - }, { - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_rtt_device = { - .name = "at91_rtt", - .id = 0, - .resource = rtt_resources, -}; - - -#if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9) -static void __init at91_add_device_rtt_rtc(void) -{ - at91sam9260_rtt_device.name = "rtc-at91sam9"; - /* - * The second resource is needed: - * GPBR will serve as the storage for RTC time offset - */ - at91sam9260_rtt_device.num_resources = 3; - rtt_resources[1].start = AT91SAM9260_BASE_GPBR + - 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR; - rtt_resources[1].end = rtt_resources[1].start + 3; - rtt_resources[2].start = NR_IRQS_LEGACY + AT91_ID_SYS; - rtt_resources[2].end = NR_IRQS_LEGACY + AT91_ID_SYS; -} -#else -static void __init at91_add_device_rtt_rtc(void) -{ - /* Only one resource is needed: RTT not used as RTC */ - at91sam9260_rtt_device.num_resources = 1; -} -#endif - -static void __init at91_add_device_rtt(void) -{ - at91_add_device_rtt_rtc(); - platform_device_register(&at91sam9260_rtt_device); -} - - -/* -------------------------------------------------------------------- - * Watchdog - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) -static struct resource wdt_resources[] = { - { - .start = AT91SAM9260_BASE_WDT, - .end = AT91SAM9260_BASE_WDT + SZ_16 - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device at91sam9260_wdt_device = { - .name = "at91_wdt", - .id = -1, - .resource = wdt_resources, - .num_resources = ARRAY_SIZE(wdt_resources), -}; - -static void __init at91_add_device_watchdog(void) -{ - platform_device_register(&at91sam9260_wdt_device); -} -#else -static void __init at91_add_device_watchdog(void) {} -#endif - - -/* -------------------------------------------------------------------- - * SSC -- Synchronous Serial Controller - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) -static u64 ssc_dmamask = DMA_BIT_MASK(32); - -static struct resource ssc_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_SSC, - .end = AT91SAM9260_BASE_SSC + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_SSC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91sam9260_ssc_device = { - .name = "at91rm9200_ssc", - .id = 0, - .dev = { - .dma_mask = &ssc_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, - .resource = ssc_resources, - .num_resources = ARRAY_SIZE(ssc_resources), -}; - -static inline void configure_ssc_pins(unsigned pins) -{ - if (pins & ATMEL_SSC_TF) - at91_set_A_periph(AT91_PIN_PB17, 1); - if (pins & ATMEL_SSC_TK) - at91_set_A_periph(AT91_PIN_PB16, 1); - if (pins & ATMEL_SSC_TD) - at91_set_A_periph(AT91_PIN_PB18, 1); - if (pins & ATMEL_SSC_RD) - at91_set_A_periph(AT91_PIN_PB19, 1); - if (pins & ATMEL_SSC_RK) - at91_set_A_periph(AT91_PIN_PB20, 1); - if (pins & ATMEL_SSC_RF) - at91_set_A_periph(AT91_PIN_PB21, 1); -} - -/* - * SSC controllers are accessed through library code, instead of any - * kind of all-singing/all-dancing driver. For example one could be - * used by a particular I2S audio codec's driver, while another one - * on the same system might be used by a custom data capture driver. - */ -void __init at91_add_device_ssc(unsigned id, unsigned pins) -{ - struct platform_device *pdev; - - /* - * NOTE: caller is responsible for passing information matching - * "pins" to whatever will be using each particular controller. - */ - switch (id) { - case AT91SAM9260_ID_SSC: - pdev = &at91sam9260_ssc_device; - configure_ssc_pins(pins); - break; - default: - return; - } - - platform_device_register(pdev); -} - -#else -void __init at91_add_device_ssc(unsigned id, unsigned pins) {} -#endif - - -/* -------------------------------------------------------------------- - * UART - * -------------------------------------------------------------------- */ -#if defined(CONFIG_SERIAL_ATMEL) -static struct resource dbgu_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_DBGU, - .end = AT91SAM9260_BASE_DBGU + SZ_512 - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91_ID_SYS, - .end = NR_IRQS_LEGACY + AT91_ID_SYS, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data dbgu_data = { - .use_dma_tx = 0, - .use_dma_rx = 0, /* DBGU not capable of receive DMA */ -}; - -static u64 dbgu_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_dbgu_device = { - .name = "atmel_usart", - .id = 0, - .dev = { - .dma_mask = &dbgu_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &dbgu_data, - }, - .resource = dbgu_resources, - .num_resources = ARRAY_SIZE(dbgu_resources), -}; - -static inline void configure_dbgu_pins(void) -{ - at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */ - at91_set_A_periph(AT91_PIN_PB15, 1); /* DTXD */ -} - -static struct resource uart0_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US0, - .end = AT91SAM9260_BASE_US0 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US0, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart0_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart0_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart0_device = { - .name = "atmel_usart", - .id = 1, - .dev = { - .dma_mask = &uart0_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart0_data, - }, - .resource = uart0_resources, - .num_resources = ARRAY_SIZE(uart0_resources), -}; - -static inline void configure_usart0_pins(unsigned pins) -{ - at91_set_A_periph(AT91_PIN_PB4, 1); /* TXD0 */ - at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD0 */ - - if (pins & ATMEL_UART_RTS) - at91_set_A_periph(AT91_PIN_PB26, 0); /* RTS0 */ - if (pins & ATMEL_UART_CTS) - at91_set_A_periph(AT91_PIN_PB27, 0); /* CTS0 */ - if (pins & ATMEL_UART_DTR) - at91_set_A_periph(AT91_PIN_PB24, 0); /* DTR0 */ - if (pins & ATMEL_UART_DSR) - at91_set_A_periph(AT91_PIN_PB22, 0); /* DSR0 */ - if (pins & ATMEL_UART_DCD) - at91_set_A_periph(AT91_PIN_PB23, 0); /* DCD0 */ - if (pins & ATMEL_UART_RI) - at91_set_A_periph(AT91_PIN_PB25, 0); /* RI0 */ -} - -static struct resource uart1_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US1, - .end = AT91SAM9260_BASE_US1 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US1, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US1, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart1_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart1_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart1_device = { - .name = "atmel_usart", - .id = 2, - .dev = { - .dma_mask = &uart1_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart1_data, - }, - .resource = uart1_resources, - .num_resources = ARRAY_SIZE(uart1_resources), -}; - -static inline void configure_usart1_pins(unsigned pins) -{ - at91_set_A_periph(AT91_PIN_PB6, 1); /* TXD1 */ - at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD1 */ - - if (pins & ATMEL_UART_RTS) - at91_set_A_periph(AT91_PIN_PB28, 0); /* RTS1 */ - if (pins & ATMEL_UART_CTS) - at91_set_A_periph(AT91_PIN_PB29, 0); /* CTS1 */ -} - -static struct resource uart2_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US2, - .end = AT91SAM9260_BASE_US2 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US2, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US2, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart2_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart2_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart2_device = { - .name = "atmel_usart", - .id = 3, - .dev = { - .dma_mask = &uart2_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart2_data, - }, - .resource = uart2_resources, - .num_resources = ARRAY_SIZE(uart2_resources), -}; - -static inline void configure_usart2_pins(unsigned pins) -{ - at91_set_A_periph(AT91_PIN_PB8, 1); /* TXD2 */ - at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD2 */ - - if (pins & ATMEL_UART_RTS) - at91_set_A_periph(AT91_PIN_PA4, 0); /* RTS2 */ - if (pins & ATMEL_UART_CTS) - at91_set_A_periph(AT91_PIN_PA5, 0); /* CTS2 */ -} - -static struct resource uart3_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US3, - .end = AT91SAM9260_BASE_US3 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US3, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US3, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart3_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart3_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart3_device = { - .name = "atmel_usart", - .id = 4, - .dev = { - .dma_mask = &uart3_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart3_data, - }, - .resource = uart3_resources, - .num_resources = ARRAY_SIZE(uart3_resources), -}; - -static inline void configure_usart3_pins(unsigned pins) -{ - at91_set_A_periph(AT91_PIN_PB10, 1); /* TXD3 */ - at91_set_A_periph(AT91_PIN_PB11, 0); /* RXD3 */ - - if (pins & ATMEL_UART_RTS) - at91_set_B_periph(AT91_PIN_PC8, 0); /* RTS3 */ - if (pins & ATMEL_UART_CTS) - at91_set_B_periph(AT91_PIN_PC10, 0); /* CTS3 */ -} - -static struct resource uart4_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US4, - .end = AT91SAM9260_BASE_US4 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US4, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US4, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart4_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart4_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart4_device = { - .name = "atmel_usart", - .id = 5, - .dev = { - .dma_mask = &uart4_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart4_data, - }, - .resource = uart4_resources, - .num_resources = ARRAY_SIZE(uart4_resources), -}; - -static inline void configure_usart4_pins(void) -{ - at91_set_B_periph(AT91_PIN_PA31, 1); /* TXD4 */ - at91_set_B_periph(AT91_PIN_PA30, 0); /* RXD4 */ -} - -static struct resource uart5_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_US5, - .end = AT91SAM9260_BASE_US5 + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_US5, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_US5, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct atmel_uart_data uart5_data = { - .use_dma_tx = 1, - .use_dma_rx = 1, -}; - -static u64 uart5_dmamask = DMA_BIT_MASK(32); - -static struct platform_device at91sam9260_uart5_device = { - .name = "atmel_usart", - .id = 6, - .dev = { - .dma_mask = &uart5_dmamask, - .coherent_dma_mask = DMA_BIT_MASK(32), - .platform_data = &uart5_data, - }, - .resource = uart5_resources, - .num_resources = ARRAY_SIZE(uart5_resources), -}; - -static inline void configure_usart5_pins(void) -{ - at91_set_A_periph(AT91_PIN_PB12, 1); /* TXD5 */ - at91_set_A_periph(AT91_PIN_PB13, 0); /* RXD5 */ -} - -static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ - -void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) -{ - struct platform_device *pdev; - struct atmel_uart_data *pdata; - - switch (id) { - case 0: /* DBGU */ - pdev = &at91sam9260_dbgu_device; - configure_dbgu_pins(); - break; - case AT91SAM9260_ID_US0: - pdev = &at91sam9260_uart0_device; - configure_usart0_pins(pins); - break; - case AT91SAM9260_ID_US1: - pdev = &at91sam9260_uart1_device; - configure_usart1_pins(pins); - break; - case AT91SAM9260_ID_US2: - pdev = &at91sam9260_uart2_device; - configure_usart2_pins(pins); - break; - case AT91SAM9260_ID_US3: - pdev = &at91sam9260_uart3_device; - configure_usart3_pins(pins); - break; - case AT91SAM9260_ID_US4: - pdev = &at91sam9260_uart4_device; - configure_usart4_pins(); - break; - case AT91SAM9260_ID_US5: - pdev = &at91sam9260_uart5_device; - configure_usart5_pins(); - break; - default: - return; - } - pdata = pdev->dev.platform_data; - pdata->num = portnr; /* update to mapped ID */ - - if (portnr < ATMEL_MAX_UART) - at91_uarts[portnr] = pdev; -} - -void __init at91_add_device_serial(void) -{ - int i; - - for (i = 0; i < ATMEL_MAX_UART; i++) { - if (at91_uarts[i]) - platform_device_register(at91_uarts[i]); - } -} -#else -void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} -void __init at91_add_device_serial(void) {} -#endif - -/* -------------------------------------------------------------------- - * CF/IDE - * -------------------------------------------------------------------- */ - -#if defined(CONFIG_PATA_AT91) || defined(CONFIG_PATA_AT91_MODULE) || \ - defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) - -static struct at91_cf_data cf0_data; - -static struct resource cf0_resources[] = { - [0] = { - .start = AT91_CHIPSELECT_4, - .end = AT91_CHIPSELECT_4 + SZ_256M - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device cf0_device = { - .id = 0, - .dev = { - .platform_data = &cf0_data, - }, - .resource = cf0_resources, - .num_resources = ARRAY_SIZE(cf0_resources), -}; - -static struct at91_cf_data cf1_data; - -static struct resource cf1_resources[] = { - [0] = { - .start = AT91_CHIPSELECT_5, - .end = AT91_CHIPSELECT_5 + SZ_256M - 1, - .flags = IORESOURCE_MEM, - } -}; - -static struct platform_device cf1_device = { - .id = 1, - .dev = { - .platform_data = &cf1_data, - }, - .resource = cf1_resources, - .num_resources = ARRAY_SIZE(cf1_resources), -}; - -void __init at91_add_device_cf(struct at91_cf_data *data) -{ - struct platform_device *pdev; - unsigned long csa; - - if (!data) - return; - - csa = at91_matrix_read(AT91_MATRIX_EBICSA); - - switch (data->chipselect) { - case 4: - at91_set_multi_drive(AT91_PIN_PC8, 0); - at91_set_A_periph(AT91_PIN_PC8, 0); - csa |= AT91_MATRIX_CS4A_SMC_CF1; - cf0_data = *data; - pdev = &cf0_device; - break; - case 5: - at91_set_multi_drive(AT91_PIN_PC9, 0); - at91_set_A_periph(AT91_PIN_PC9, 0); - csa |= AT91_MATRIX_CS5A_SMC_CF2; - cf1_data = *data; - pdev = &cf1_device; - break; - default: - printk(KERN_ERR "AT91 CF: bad chip-select requested (%u)\n", - data->chipselect); - return; - } - - at91_matrix_write(AT91_MATRIX_EBICSA, csa); - - if (gpio_is_valid(data->rst_pin)) { - at91_set_multi_drive(data->rst_pin, 0); - at91_set_gpio_output(data->rst_pin, 1); - } - - if (gpio_is_valid(data->irq_pin)) { - at91_set_gpio_input(data->irq_pin, 0); - at91_set_deglitch(data->irq_pin, 1); - } - - if (gpio_is_valid(data->det_pin)) { - at91_set_gpio_input(data->det_pin, 0); - at91_set_deglitch(data->det_pin, 1); - } - - at91_set_B_periph(AT91_PIN_PC6, 0); /* CFCE1 */ - at91_set_B_periph(AT91_PIN_PC7, 0); /* CFCE2 */ - at91_set_A_periph(AT91_PIN_PC10, 0); /* CFRNW */ - at91_set_A_periph(AT91_PIN_PC15, 1); /* NWAIT */ - - if (IS_ENABLED(CONFIG_PATA_AT91) && (data->flags & AT91_CF_TRUE_IDE)) - pdev->name = "pata_at91"; - else - pdev->name = "at91_cf"; - - platform_device_register(pdev); -} - -#else -void __init at91_add_device_cf(struct at91_cf_data * data) {} -#endif - -/* -------------------------------------------------------------------- - * ADCs - * -------------------------------------------------------------------- */ - -#if IS_ENABLED(CONFIG_AT91_ADC) -static struct at91_adc_data adc_data; - -static struct resource adc_resources[] = { - [0] = { - .start = AT91SAM9260_BASE_ADC, - .end = AT91SAM9260_BASE_ADC + SZ_16K - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC, - .end = NR_IRQS_LEGACY + AT91SAM9260_ID_ADC, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device at91_adc_device = { - .name = "at91sam9260-adc", - .id = -1, - .dev = { - .platform_data = &adc_data, - }, - .resource = adc_resources, - .num_resources = ARRAY_SIZE(adc_resources), -}; - -static struct at91_adc_trigger at91_adc_triggers[] = { - [0] = { - .name = "timer-counter-0", - .value = 0x1, - }, - [1] = { - .name = "timer-counter-1", - .value = 0x3, - }, - [2] = { - .name = "timer-counter-2", - .value = 0x5, - }, - [3] = { - .name = "external", - .value = 0xd, - .is_external = true, - }, -}; - -void __init at91_add_device_adc(struct at91_adc_data *data) -{ - if (!data) - return; - - if (test_bit(0, &data->channels_used)) - at91_set_A_periph(AT91_PIN_PC0, 0); - if (test_bit(1, &data->channels_used)) - at91_set_A_periph(AT91_PIN_PC1, 0); - if (test_bit(2, &data->channels_used)) - at91_set_A_periph(AT91_PIN_PC2, 0); - if (test_bit(3, &data->channels_used)) - at91_set_A_periph(AT91_PIN_PC3, 0); - - if (data->use_external_triggers) - at91_set_A_periph(AT91_PIN_PA22, 0); - - data->startup_time = 10; - data->trigger_number = 4; - data->trigger_list = at91_adc_triggers; - - adc_data = *data; - platform_device_register(&at91_adc_device); -} -#else -void __init at91_add_device_adc(struct at91_adc_data *data) {} -#endif - -/* -------------------------------------------------------------------- */ -/* - * These devices are always present and don't need any board-specific - * setup. - */ -static int __init at91_add_standard_devices(void) -{ - if (of_have_populated_dt()) - return 0; - - at91_add_device_rtt(); - at91_add_device_watchdog(); - at91_add_device_tc(); - return 0; -} - -arch_initcall(at91_add_standard_devices); |