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arch/arm/mach-at91/at91sam9rl_devices.c
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/* * Copyright (C) 2007 Atmel Corporation * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive for * more details. */ #include <asm/mach/arch.h> #include <asm/mach/map.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/gpio.h> |
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#include <linux/platform_device.h> |
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#include <linux/i2c-gpio.h> |
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#include <linux/fb.h> |
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#include <video/atmel_lcdc.h> |
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#include <mach/board.h> |
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#include <mach/at91sam9rl.h> #include <mach/at91sam9rl_matrix.h> #include <mach/at91sam9_smc.h> |
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#include <mach/at_hdmac.h> |
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#include "generic.h" |
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/* -------------------------------------------------------------------- |
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* HDMAC - AHB DMA Controller * -------------------------------------------------------------------- */ #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE) static u64 hdmac_dmamask = DMA_BIT_MASK(32); static struct at_dma_platform_data atdma_pdata = { .nr_channels = 2, }; static struct resource hdmac_resources[] = { [0] = { |
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.start = AT91SAM9RL_BASE_DMA, .end = AT91SAM9RL_BASE_DMA + SZ_512 - 1, |
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.flags = IORESOURCE_MEM, }, [2] = { .start = AT91SAM9RL_ID_DMA, .end = AT91SAM9RL_ID_DMA, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at_hdmac_device = { .name = "at_hdmac", .id = -1, .dev = { .dma_mask = &hdmac_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &atdma_pdata, }, .resource = hdmac_resources, .num_resources = ARRAY_SIZE(hdmac_resources), }; void __init at91_add_device_hdmac(void) { dma_cap_set(DMA_MEMCPY, atdma_pdata.cap_mask); platform_device_register(&at_hdmac_device); } #else void __init at91_add_device_hdmac(void) {} #endif /* -------------------------------------------------------------------- |
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* USB HS Device (Gadget) * -------------------------------------------------------------------- */ |
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#if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE) |
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static struct resource usba_udc_resources[] = { [0] = { .start = AT91SAM9RL_UDPHS_FIFO, .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_BASE_UDPHS, .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1, .flags = IORESOURCE_MEM, }, [2] = { .start = AT91SAM9RL_ID_UDPHS, .end = AT91SAM9RL_ID_UDPHS, .flags = IORESOURCE_IRQ, }, }; #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ [idx] = { \ .name = nam, \ .index = idx, \ .fifo_size = maxpkt, \ .nr_banks = maxbk, \ .can_dma = dma, \ .can_isoc = isoc, \ } static struct usba_ep_data usba_udc_ep[] __initdata = { EP("ep0", 0, 64, 1, 0, 0), EP("ep1", 1, 1024, 2, 1, 1), EP("ep2", 2, 1024, 2, 1, 1), EP("ep3", 3, 1024, 3, 1, 0), EP("ep4", 4, 1024, 3, 1, 0), EP("ep5", 5, 1024, 3, 1, 1), EP("ep6", 6, 1024, 3, 1, 1), }; #undef EP /* * pdata doesn't have room for any endpoints, so we need to * append room for the ones we need right after it. */ static struct { struct usba_platform_data pdata; struct usba_ep_data ep[7]; } usba_udc_data; static struct platform_device at91_usba_udc_device = { .name = "atmel_usba_udc", .id = -1, .dev = { .platform_data = &usba_udc_data.pdata, }, .resource = usba_udc_resources, .num_resources = ARRAY_SIZE(usba_udc_resources), }; void __init at91_add_device_usba(struct usba_platform_data *data) { /* * Invalid pins are 0 on AT91, but the usba driver is shared * with AVR32, which use negative values instead. Once/if * gpio_is_valid() is ported to AT91, revisit this code. */ usba_udc_data.pdata.vbus_pin = -EINVAL; usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); |
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memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep)); |
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if (data && gpio_is_valid(data->vbus_pin)) { |
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at91_set_gpio_input(data->vbus_pin, 0); at91_set_deglitch(data->vbus_pin, 1); usba_udc_data.pdata.vbus_pin = data->vbus_pin; } /* Pullup pin is handled internally by USB device peripheral */ |
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platform_device_register(&at91_usba_udc_device); } #else void __init at91_add_device_usba(struct usba_platform_data *data) {} #endif /* -------------------------------------------------------------------- |
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* MMC / SD * -------------------------------------------------------------------- */ #if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE) |
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static u64 mmc_dmamask = DMA_BIT_MASK(32); |
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static struct at91_mmc_data mmc_data; static struct resource mmc_resources[] = { [0] = { .start = AT91SAM9RL_BASE_MCI, .end = AT91SAM9RL_BASE_MCI + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_MCI, .end = AT91SAM9RL_ID_MCI, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_mmc_device = { .name = "at91_mci", .id = -1, .dev = { .dma_mask = &mmc_dmamask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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.platform_data = &mmc_data, }, .resource = mmc_resources, .num_resources = ARRAY_SIZE(mmc_resources), }; void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) { if (!data) return; /* input/irq */ |
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if (gpio_is_valid(data->det_pin)) { |
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at91_set_gpio_input(data->det_pin, 1); at91_set_deglitch(data->det_pin, 1); } |
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if (gpio_is_valid(data->wp_pin)) |
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at91_set_gpio_input(data->wp_pin, 1); |
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if (gpio_is_valid(data->vcc_pin)) |
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at91_set_gpio_output(data->vcc_pin, 0); /* CLK */ at91_set_A_periph(AT91_PIN_PA2, 0); /* CMD */ at91_set_A_periph(AT91_PIN_PA1, 1); /* DAT0, maybe DAT1..DAT3 */ at91_set_A_periph(AT91_PIN_PA0, 1); if (data->wire4) { at91_set_A_periph(AT91_PIN_PA3, 1); at91_set_A_periph(AT91_PIN_PA4, 1); at91_set_A_periph(AT91_PIN_PA5, 1); } mmc_data = *data; platform_device_register(&at91sam9rl_mmc_device); } #else void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} #endif /* -------------------------------------------------------------------- * NAND / SmartMedia * -------------------------------------------------------------------- */ |
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#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) |
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static struct atmel_nand_data nand_data; |
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#define NAND_BASE AT91_CHIPSELECT_3 static struct resource nand_resources[] = { |
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[0] = { |
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.start = NAND_BASE, .end = NAND_BASE + SZ_256M - 1, .flags = IORESOURCE_MEM, |
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}, [1] = { |
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.start = AT91SAM9RL_BASE_ECC, .end = AT91SAM9RL_BASE_ECC + SZ_512 - 1, |
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.flags = IORESOURCE_MEM, |
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} }; |
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static struct platform_device atmel_nand_device = { .name = "atmel_nand", |
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.id = -1, .dev = { .platform_data = &nand_data, }, .resource = nand_resources, .num_resources = ARRAY_SIZE(nand_resources), }; |
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void __init at91_add_device_nand(struct atmel_nand_data *data) |
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{ unsigned long csa; if (!data) return; csa = at91_sys_read(AT91_MATRIX_EBICSA); at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); |
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/* enable pin */ |
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if (gpio_is_valid(data->enable_pin)) |
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at91_set_gpio_output(data->enable_pin, 1); /* ready/busy pin */ |
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if (gpio_is_valid(data->rdy_pin)) |
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at91_set_gpio_input(data->rdy_pin, 1); /* card detect pin */ |
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if (gpio_is_valid(data->det_pin)) |
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at91_set_gpio_input(data->det_pin, 1); at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ nand_data = *data; |
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platform_device_register(&atmel_nand_device); |
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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 /* -------------------------------------------------------------------- * TWI (i2c) * -------------------------------------------------------------------- */ |
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/* * 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 at91sam9rl_twi_device = { .name = "i2c-gpio", .id = -1, .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(&at91sam9rl_twi_device); } #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) |
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static struct resource twi_resources[] = { [0] = { .start = AT91SAM9RL_BASE_TWI0, .end = AT91SAM9RL_BASE_TWI0 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_TWI0, .end = AT91SAM9RL_ID_TWI0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_twi_device = { .name = "at91_i2c", .id = -1, .resource = twi_resources, .num_resources = ARRAY_SIZE(twi_resources), }; |
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void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) |
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{ /* 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); |
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i2c_register_board_info(0, devices, nr_devices); |
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platform_device_register(&at91sam9rl_twi_device); } #else |
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void __init at91_add_device_i2c(struct i2c_board_info *devices, int nr_devices) {} |
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#endif /* -------------------------------------------------------------------- * SPI * -------------------------------------------------------------------- */ #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE) |
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static u64 spi_dmamask = DMA_BIT_MASK(32); |
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static struct resource spi_resources[] = { [0] = { .start = AT91SAM9RL_BASE_SPI, .end = AT91SAM9RL_BASE_SPI + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_SPI, .end = AT91SAM9RL_ID_SPI, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_spi_device = { .name = "atmel_spi", .id = 0, .dev = { .dma_mask = &spi_dmamask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, .resource = spi_resources, .num_resources = ARRAY_SIZE(spi_resources), }; static const unsigned spi_standard_cs[4] = { AT91_PIN_PA28, AT91_PIN_PB7, AT91_PIN_PD8, AT91_PIN_PD9 }; void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) { int i; unsigned long cs_pin; at91_set_A_periph(AT91_PIN_PA25, 0); /* MISO */ at91_set_A_periph(AT91_PIN_PA26, 0); /* MOSI */ at91_set_A_periph(AT91_PIN_PA27, 0); /* SPCK */ /* Enable SPI chip-selects */ for (i = 0; i < nr_devices; i++) { if (devices[i].controller_data) cs_pin = (unsigned long) devices[i].controller_data; else cs_pin = spi_standard_cs[devices[i].chip_select]; /* 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); platform_device_register(&at91sam9rl_spi_device); } #else void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} #endif /* -------------------------------------------------------------------- |
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* AC97 * -------------------------------------------------------------------- */ #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE) static u64 ac97_dmamask = DMA_BIT_MASK(32); static struct ac97c_platform_data ac97_data; static struct resource ac97_resources[] = { [0] = { .start = AT91SAM9RL_BASE_AC97C, .end = AT91SAM9RL_BASE_AC97C + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_AC97C, .end = AT91SAM9RL_ID_AC97C, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_ac97_device = { .name = "atmel_ac97c", .id = 0, .dev = { .dma_mask = &ac97_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &ac97_data, }, .resource = ac97_resources, .num_resources = ARRAY_SIZE(ac97_resources), }; void __init at91_add_device_ac97(struct ac97c_platform_data *data) { if (!data) return; at91_set_A_periph(AT91_PIN_PD1, 0); /* AC97FS */ at91_set_A_periph(AT91_PIN_PD2, 0); /* AC97CK */ at91_set_A_periph(AT91_PIN_PD3, 0); /* AC97TX */ at91_set_A_periph(AT91_PIN_PD4, 0); /* AC97RX */ /* reset */ |
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if (gpio_is_valid(data->reset_pin)) |
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at91_set_gpio_output(data->reset_pin, 0); ac97_data = *data; platform_device_register(&at91sam9rl_ac97_device); } #else void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} #endif /* -------------------------------------------------------------------- |
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* LCD Controller * -------------------------------------------------------------------- */ #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
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static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
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static struct atmel_lcdfb_info lcdc_data; static struct resource lcdc_resources[] = { [0] = { .start = AT91SAM9RL_LCDC_BASE, .end = AT91SAM9RL_LCDC_BASE + SZ_4K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_LCDC, .end = AT91SAM9RL_ID_LCDC, .flags = IORESOURCE_IRQ, }, |
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}; static struct platform_device at91_lcdc_device = { .name = "atmel_lcdfb", .id = 0, .dev = { .dma_mask = &lcdc_dmamask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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.platform_data = &lcdc_data, }, .resource = lcdc_resources, .num_resources = ARRAY_SIZE(lcdc_resources), }; void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) { if (!data) { return; } at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ lcdc_data = *data; platform_device_register(&at91_lcdc_device); } #else void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} #endif /* -------------------------------------------------------------------- |
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* Timer/Counter block * -------------------------------------------------------------------- */ #ifdef CONFIG_ATMEL_TCLIB static struct resource tcb_resources[] = { [0] = { .start = AT91SAM9RL_BASE_TCB0, .end = AT91SAM9RL_BASE_TCB0 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_TC0, .end = AT91SAM9RL_ID_TC0, .flags = IORESOURCE_IRQ, }, [2] = { .start = AT91SAM9RL_ID_TC1, .end = AT91SAM9RL_ID_TC1, .flags = IORESOURCE_IRQ, }, [3] = { .start = AT91SAM9RL_ID_TC2, .end = AT91SAM9RL_ID_TC2, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_tcb_device = { .name = "atmel_tcb", .id = 0, .resource = tcb_resources, .num_resources = ARRAY_SIZE(tcb_resources), }; static void __init at91_add_device_tc(void) { |
e5f40bfaf [ARM] 4909/1: [AT... |
592 593 594 595 596 597 598 599 |
platform_device_register(&at91sam9rl_tcb_device); } #else static void __init at91_add_device_tc(void) { } #endif /* -------------------------------------------------------------------- |
f7647e63f [ARM] 5260/1: [AT... |
600 601 602 603 604 |
* Touchscreen * -------------------------------------------------------------------- */ #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) static u64 tsadcc_dmamask = DMA_BIT_MASK(32); |
423c9b0dc AT91: add platfor... |
605 |
static struct at91_tsadcc_data tsadcc_data; |
f7647e63f [ARM] 5260/1: [AT... |
606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 |
static struct resource tsadcc_resources[] = { [0] = { .start = AT91SAM9RL_BASE_TSC, .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_TSC, .end = AT91SAM9RL_ID_TSC, .flags = IORESOURCE_IRQ, } }; static struct platform_device at91sam9rl_tsadcc_device = { .name = "atmel_tsadcc", .id = -1, .dev = { .dma_mask = &tsadcc_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), |
423c9b0dc AT91: add platfor... |
626 |
.platform_data = &tsadcc_data, |
f7647e63f [ARM] 5260/1: [AT... |
627 628 629 630 |
}, .resource = tsadcc_resources, .num_resources = ARRAY_SIZE(tsadcc_resources), }; |
423c9b0dc AT91: add platfor... |
631 |
void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) |
f7647e63f [ARM] 5260/1: [AT... |
632 |
{ |
423c9b0dc AT91: add platfor... |
633 634 |
if (!data) return; |
f7647e63f [ARM] 5260/1: [AT... |
635 636 637 638 |
at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */ at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */ at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */ at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */ |
423c9b0dc AT91: add platfor... |
639 |
tsadcc_data = *data; |
f7647e63f [ARM] 5260/1: [AT... |
640 641 642 |
platform_device_register(&at91sam9rl_tsadcc_device); } #else |
423c9b0dc AT91: add platfor... |
643 |
void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} |
f7647e63f [ARM] 5260/1: [AT... |
644 645 646 647 |
#endif /* -------------------------------------------------------------------- |
884f5a6a8 [ARM] 4752/1: [AT... |
648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 |
* RTC * -------------------------------------------------------------------- */ #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) static struct platform_device at91sam9rl_rtc_device = { .name = "at91_rtc", .id = -1, .num_resources = 0, }; static void __init at91_add_device_rtc(void) { platform_device_register(&at91sam9rl_rtc_device); } #else static void __init at91_add_device_rtc(void) {} #endif /* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ static struct resource rtt_resources[] = { { |
eab5fd67d ARM: at91: make r... |
673 674 |
.start = AT91SAM9RL_BASE_RTT, .end = AT91SAM9RL_BASE_RTT + SZ_16 - 1, |
884f5a6a8 [ARM] 4752/1: [AT... |
675 676 677 678 679 680 |
.flags = IORESOURCE_MEM, } }; static struct platform_device at91sam9rl_rtt_device = { .name = "at91_rtt", |
4fd9212cb [ARM] 4908/1: [AT... |
681 |
.id = 0, |
884f5a6a8 [ARM] 4752/1: [AT... |
682 683 684 685 686 687 688 689 690 691 692 693 694 |
.resource = rtt_resources, .num_resources = ARRAY_SIZE(rtt_resources), }; static void __init at91_add_device_rtt(void) { platform_device_register(&at91sam9rl_rtt_device); } /* -------------------------------------------------------------------- * Watchdog * -------------------------------------------------------------------- */ |
2af29b786 [ARM] 5390/1: AT9... |
695 |
#if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
c1c30a29d ARM: at91: make w... |
696 697 698 699 700 701 702 |
static struct resource wdt_resources[] = { { .start = AT91SAM9RL_BASE_WDT, .end = AT91SAM9RL_BASE_WDT + SZ_16 - 1, .flags = IORESOURCE_MEM, } }; |
884f5a6a8 [ARM] 4752/1: [AT... |
703 704 705 |
static struct platform_device at91sam9rl_wdt_device = { .name = "at91_wdt", .id = -1, |
c1c30a29d ARM: at91: make w... |
706 707 |
.resource = wdt_resources, .num_resources = ARRAY_SIZE(wdt_resources), |
884f5a6a8 [ARM] 4752/1: [AT... |
708 709 710 711 712 713 714 715 716 717 718 719 |
}; static void __init at91_add_device_watchdog(void) { platform_device_register(&at91sam9rl_wdt_device); } #else static void __init at91_add_device_watchdog(void) {} #endif /* -------------------------------------------------------------------- |
bb1ad68b9 [ARM] 5258/1: [AT... |
720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 |
* PWM * --------------------------------------------------------------------*/ #if defined(CONFIG_ATMEL_PWM) static u32 pwm_mask; static struct resource pwm_resources[] = { [0] = { .start = AT91SAM9RL_BASE_PWMC, .end = AT91SAM9RL_BASE_PWMC + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_PWMC, .end = AT91SAM9RL_ID_PWMC, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_pwm0_device = { .name = "atmel_pwm", .id = -1, .dev = { .platform_data = &pwm_mask, }, .resource = pwm_resources, .num_resources = ARRAY_SIZE(pwm_resources), }; void __init at91_add_device_pwm(u32 mask) { if (mask & (1 << AT91_PWM0)) at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM0 */ if (mask & (1 << AT91_PWM1)) at91_set_B_periph(AT91_PIN_PB9, 1); /* enable PWM1 */ if (mask & (1 << AT91_PWM2)) at91_set_B_periph(AT91_PIN_PD5, 1); /* enable PWM2 */ if (mask & (1 << AT91_PWM3)) at91_set_B_periph(AT91_PIN_PD8, 1); /* enable PWM3 */ pwm_mask = mask; platform_device_register(&at91sam9rl_pwm0_device); } #else void __init at91_add_device_pwm(u32 mask) {} #endif /* -------------------------------------------------------------------- |
bfbc32663 [ARM] 4754/1: [AT... |
773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 |
* SSC -- Synchronous Serial Controller * -------------------------------------------------------------------- */ #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE) static u64 ssc0_dmamask = DMA_BIT_MASK(32); static struct resource ssc0_resources[] = { [0] = { .start = AT91SAM9RL_BASE_SSC0, .end = AT91SAM9RL_BASE_SSC0 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_SSC0, .end = AT91SAM9RL_ID_SSC0, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_ssc0_device = { .name = "ssc", .id = 0, .dev = { .dma_mask = &ssc0_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = ssc0_resources, .num_resources = ARRAY_SIZE(ssc0_resources), }; static inline void configure_ssc0_pins(unsigned pins) { if (pins & ATMEL_SSC_TF) at91_set_A_periph(AT91_PIN_PC0, 1); if (pins & ATMEL_SSC_TK) at91_set_A_periph(AT91_PIN_PC1, 1); if (pins & ATMEL_SSC_TD) at91_set_A_periph(AT91_PIN_PA15, 1); if (pins & ATMEL_SSC_RD) at91_set_A_periph(AT91_PIN_PA16, 1); if (pins & ATMEL_SSC_RK) at91_set_B_periph(AT91_PIN_PA10, 1); if (pins & ATMEL_SSC_RF) at91_set_B_periph(AT91_PIN_PA22, 1); } static u64 ssc1_dmamask = DMA_BIT_MASK(32); static struct resource ssc1_resources[] = { [0] = { .start = AT91SAM9RL_BASE_SSC1, .end = AT91SAM9RL_BASE_SSC1 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_SSC1, .end = AT91SAM9RL_ID_SSC1, .flags = IORESOURCE_IRQ, }, }; static struct platform_device at91sam9rl_ssc1_device = { .name = "ssc", .id = 1, .dev = { .dma_mask = &ssc1_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, .resource = ssc1_resources, .num_resources = ARRAY_SIZE(ssc1_resources), }; static inline void configure_ssc1_pins(unsigned pins) { if (pins & ATMEL_SSC_TF) at91_set_B_periph(AT91_PIN_PA29, 1); if (pins & ATMEL_SSC_TK) at91_set_B_periph(AT91_PIN_PA30, 1); if (pins & ATMEL_SSC_TD) at91_set_B_periph(AT91_PIN_PA13, 1); if (pins & ATMEL_SSC_RD) at91_set_B_periph(AT91_PIN_PA14, 1); if (pins & ATMEL_SSC_RK) at91_set_B_periph(AT91_PIN_PA9, 1); if (pins & ATMEL_SSC_RF) at91_set_B_periph(AT91_PIN_PA8, 1); } /* |
bfbc32663 [ARM] 4754/1: [AT... |
862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 |
* 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 AT91SAM9RL_ID_SSC0: pdev = &at91sam9rl_ssc0_device; configure_ssc0_pins(pins); |
bfbc32663 [ARM] 4754/1: [AT... |
879 880 881 882 |
break; case AT91SAM9RL_ID_SSC1: pdev = &at91sam9rl_ssc1_device; configure_ssc1_pins(pins); |
bfbc32663 [ARM] 4754/1: [AT... |
883 884 885 886 887 888 889 890 891 892 893 894 895 896 |
break; default: return; } platform_device_register(pdev); } #else void __init at91_add_device_ssc(unsigned id, unsigned pins) {} #endif /* -------------------------------------------------------------------- |
877d7720f [ARM] 4370/3: AT9... |
897 898 899 900 901 902 |
* UART * -------------------------------------------------------------------- */ #if defined(CONFIG_SERIAL_ATMEL) static struct resource dbgu_resources[] = { [0] = { |
13079a733 ARM: at91: make D... |
903 904 |
.start = AT91SAM9RL_BASE_DBGU, .end = AT91SAM9RL_BASE_DBGU + SZ_512 - 1, |
877d7720f [ARM] 4370/3: AT9... |
905 906 907 908 909 910 911 912 913 914 915 916 |
.flags = IORESOURCE_MEM, }, [1] = { .start = AT91_ID_SYS, .end = 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 */ |
877d7720f [ARM] 4370/3: AT9... |
917 |
}; |
c6686ff9d [ARM] 4753/1: [AT... |
918 |
static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
877d7720f [ARM] 4370/3: AT9... |
919 920 921 922 |
static struct platform_device at91sam9rl_dbgu_device = { .name = "atmel_usart", .id = 0, .dev = { |
c6686ff9d [ARM] 4753/1: [AT... |
923 924 925 |
.dma_mask = &dbgu_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &dbgu_data, |
877d7720f [ARM] 4370/3: AT9... |
926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 |
}, .resource = dbgu_resources, .num_resources = ARRAY_SIZE(dbgu_resources), }; static inline void configure_dbgu_pins(void) { at91_set_A_periph(AT91_PIN_PA21, 0); /* DRXD */ at91_set_A_periph(AT91_PIN_PA22, 1); /* DTXD */ } static struct resource uart0_resources[] = { [0] = { .start = AT91SAM9RL_BASE_US0, .end = AT91SAM9RL_BASE_US0 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_US0, .end = AT91SAM9RL_ID_US0, .flags = IORESOURCE_IRQ, }, }; static struct atmel_uart_data uart0_data = { .use_dma_tx = 1, .use_dma_rx = 1, }; |
c6686ff9d [ARM] 4753/1: [AT... |
954 |
static u64 uart0_dmamask = DMA_BIT_MASK(32); |
877d7720f [ARM] 4370/3: AT9... |
955 956 957 958 |
static struct platform_device at91sam9rl_uart0_device = { .name = "atmel_usart", .id = 1, .dev = { |
c6686ff9d [ARM] 4753/1: [AT... |
959 960 961 |
.dma_mask = &uart0_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &uart0_data, |
877d7720f [ARM] 4370/3: AT9... |
962 963 964 965 |
}, .resource = uart0_resources, .num_resources = ARRAY_SIZE(uart0_resources), }; |
c8f385a63 [ARM] 4757/1: [AT... |
966 |
static inline void configure_usart0_pins(unsigned pins) |
877d7720f [ARM] 4370/3: AT9... |
967 968 969 |
{ at91_set_A_periph(AT91_PIN_PA6, 1); /* TXD0 */ at91_set_A_periph(AT91_PIN_PA7, 0); /* RXD0 */ |
c8f385a63 [ARM] 4757/1: [AT... |
970 971 972 973 974 975 976 977 978 979 980 981 982 |
if (pins & ATMEL_UART_RTS) at91_set_A_periph(AT91_PIN_PA9, 0); /* RTS0 */ if (pins & ATMEL_UART_CTS) at91_set_A_periph(AT91_PIN_PA10, 0); /* CTS0 */ if (pins & ATMEL_UART_DSR) at91_set_A_periph(AT91_PIN_PD14, 0); /* DSR0 */ if (pins & ATMEL_UART_DTR) at91_set_A_periph(AT91_PIN_PD15, 0); /* DTR0 */ if (pins & ATMEL_UART_DCD) at91_set_A_periph(AT91_PIN_PD16, 0); /* DCD0 */ if (pins & ATMEL_UART_RI) at91_set_A_periph(AT91_PIN_PD17, 0); /* RI0 */ |
877d7720f [ARM] 4370/3: AT9... |
983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 |
} static struct resource uart1_resources[] = { [0] = { .start = AT91SAM9RL_BASE_US1, .end = AT91SAM9RL_BASE_US1 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_US1, .end = AT91SAM9RL_ID_US1, .flags = IORESOURCE_IRQ, }, }; static struct atmel_uart_data uart1_data = { .use_dma_tx = 1, .use_dma_rx = 1, }; |
c6686ff9d [ARM] 4753/1: [AT... |
1002 |
static u64 uart1_dmamask = DMA_BIT_MASK(32); |
877d7720f [ARM] 4370/3: AT9... |
1003 1004 1005 1006 |
static struct platform_device at91sam9rl_uart1_device = { .name = "atmel_usart", .id = 2, .dev = { |
c6686ff9d [ARM] 4753/1: [AT... |
1007 1008 1009 |
.dma_mask = &uart1_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &uart1_data, |
877d7720f [ARM] 4370/3: AT9... |
1010 1011 1012 1013 |
}, .resource = uart1_resources, .num_resources = ARRAY_SIZE(uart1_resources), }; |
c8f385a63 [ARM] 4757/1: [AT... |
1014 |
static inline void configure_usart1_pins(unsigned pins) |
877d7720f [ARM] 4370/3: AT9... |
1015 1016 1017 |
{ at91_set_A_periph(AT91_PIN_PA11, 1); /* TXD1 */ at91_set_A_periph(AT91_PIN_PA12, 0); /* RXD1 */ |
c8f385a63 [ARM] 4757/1: [AT... |
1018 1019 1020 1021 1022 |
if (pins & ATMEL_UART_RTS) at91_set_B_periph(AT91_PIN_PA18, 0); /* RTS1 */ if (pins & ATMEL_UART_CTS) at91_set_B_periph(AT91_PIN_PA19, 0); /* CTS1 */ |
877d7720f [ARM] 4370/3: AT9... |
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 |
} static struct resource uart2_resources[] = { [0] = { .start = AT91SAM9RL_BASE_US2, .end = AT91SAM9RL_BASE_US2 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_US2, .end = AT91SAM9RL_ID_US2, .flags = IORESOURCE_IRQ, }, }; static struct atmel_uart_data uart2_data = { .use_dma_tx = 1, .use_dma_rx = 1, }; |
c6686ff9d [ARM] 4753/1: [AT... |
1042 |
static u64 uart2_dmamask = DMA_BIT_MASK(32); |
877d7720f [ARM] 4370/3: AT9... |
1043 1044 1045 1046 |
static struct platform_device at91sam9rl_uart2_device = { .name = "atmel_usart", .id = 3, .dev = { |
c6686ff9d [ARM] 4753/1: [AT... |
1047 1048 1049 |
.dma_mask = &uart2_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &uart2_data, |
877d7720f [ARM] 4370/3: AT9... |
1050 1051 1052 1053 |
}, .resource = uart2_resources, .num_resources = ARRAY_SIZE(uart2_resources), }; |
c8f385a63 [ARM] 4757/1: [AT... |
1054 |
static inline void configure_usart2_pins(unsigned pins) |
877d7720f [ARM] 4370/3: AT9... |
1055 1056 1057 |
{ at91_set_A_periph(AT91_PIN_PA13, 1); /* TXD2 */ at91_set_A_periph(AT91_PIN_PA14, 0); /* RXD2 */ |
c8f385a63 [ARM] 4757/1: [AT... |
1058 1059 1060 1061 1062 |
if (pins & ATMEL_UART_RTS) at91_set_A_periph(AT91_PIN_PA29, 0); /* RTS2 */ if (pins & ATMEL_UART_CTS) at91_set_A_periph(AT91_PIN_PA30, 0); /* CTS2 */ |
877d7720f [ARM] 4370/3: AT9... |
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 |
} static struct resource uart3_resources[] = { [0] = { .start = AT91SAM9RL_BASE_US3, .end = AT91SAM9RL_BASE_US3 + SZ_16K - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = AT91SAM9RL_ID_US3, .end = AT91SAM9RL_ID_US3, .flags = IORESOURCE_IRQ, }, }; static struct atmel_uart_data uart3_data = { .use_dma_tx = 1, .use_dma_rx = 1, }; |
c6686ff9d [ARM] 4753/1: [AT... |
1082 |
static u64 uart3_dmamask = DMA_BIT_MASK(32); |
877d7720f [ARM] 4370/3: AT9... |
1083 1084 1085 1086 |
static struct platform_device at91sam9rl_uart3_device = { .name = "atmel_usart", .id = 4, .dev = { |
c6686ff9d [ARM] 4753/1: [AT... |
1087 1088 1089 |
.dma_mask = &uart3_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &uart3_data, |
877d7720f [ARM] 4370/3: AT9... |
1090 1091 1092 1093 |
}, .resource = uart3_resources, .num_resources = ARRAY_SIZE(uart3_resources), }; |
c8f385a63 [ARM] 4757/1: [AT... |
1094 |
static inline void configure_usart3_pins(unsigned pins) |
877d7720f [ARM] 4370/3: AT9... |
1095 1096 1097 |
{ at91_set_A_periph(AT91_PIN_PB0, 1); /* TXD3 */ at91_set_A_periph(AT91_PIN_PB1, 0); /* RXD3 */ |
c8f385a63 [ARM] 4757/1: [AT... |
1098 1099 1100 1101 1102 |
if (pins & ATMEL_UART_RTS) at91_set_B_periph(AT91_PIN_PD4, 0); /* RTS3 */ if (pins & ATMEL_UART_CTS) at91_set_B_periph(AT91_PIN_PD3, 0); /* CTS3 */ |
877d7720f [ARM] 4370/3: AT9... |
1103 |
} |
11aadac4f [ARM] 4982/1: [AT... |
1104 |
static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
877d7720f [ARM] 4370/3: AT9... |
1105 |
struct platform_device *atmel_default_console_device; /* the serial console device */ |
c8f385a63 [ARM] 4757/1: [AT... |
1106 1107 1108 |
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) { struct platform_device *pdev; |
2b348e2f8 atmel_serial: kee... |
1109 |
struct atmel_uart_data *pdata; |
c8f385a63 [ARM] 4757/1: [AT... |
1110 1111 1112 1113 1114 |
switch (id) { case 0: /* DBGU */ pdev = &at91sam9rl_dbgu_device; configure_dbgu_pins(); |
c8f385a63 [ARM] 4757/1: [AT... |
1115 1116 1117 1118 |
break; case AT91SAM9RL_ID_US0: pdev = &at91sam9rl_uart0_device; configure_usart0_pins(pins); |
c8f385a63 [ARM] 4757/1: [AT... |
1119 1120 1121 1122 |
break; case AT91SAM9RL_ID_US1: pdev = &at91sam9rl_uart1_device; configure_usart1_pins(pins); |
c8f385a63 [ARM] 4757/1: [AT... |
1123 1124 1125 1126 |
break; case AT91SAM9RL_ID_US2: pdev = &at91sam9rl_uart2_device; configure_usart2_pins(pins); |
c8f385a63 [ARM] 4757/1: [AT... |
1127 1128 1129 1130 |
break; case AT91SAM9RL_ID_US3: pdev = &at91sam9rl_uart3_device; configure_usart3_pins(pins); |
c8f385a63 [ARM] 4757/1: [AT... |
1131 1132 1133 1134 |
break; default: return; } |
2b348e2f8 atmel_serial: kee... |
1135 1136 |
pdata = pdev->dev.platform_data; pdata->num = portnr; /* update to mapped ID */ |
c8f385a63 [ARM] 4757/1: [AT... |
1137 1138 1139 1140 1141 1142 1143 |
if (portnr < ATMEL_MAX_UART) at91_uarts[portnr] = pdev; } void __init at91_set_serial_console(unsigned portnr) { |
bd6029959 at91: switch to C... |
1144 |
if (portnr < ATMEL_MAX_UART) { |
c8f385a63 [ARM] 4757/1: [AT... |
1145 |
atmel_default_console_device = at91_uarts[portnr]; |
5c1f96686 at91: fix at91_se... |
1146 |
at91sam9rl_set_console_clock(at91_uarts[portnr]->id); |
bd6029959 at91: switch to C... |
1147 |
} |
c8f385a63 [ARM] 4757/1: [AT... |
1148 |
} |
877d7720f [ARM] 4370/3: AT9... |
1149 1150 1151 1152 1153 1154 1155 1156 |
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]); } |
11aadac4f [ARM] 4982/1: [AT... |
1157 1158 1159 1160 |
if (!atmel_default_console_device) printk(KERN_INFO "AT91: No default serial console defined. "); |
877d7720f [ARM] 4370/3: AT9... |
1161 1162 |
} #else |
c8f385a63 [ARM] 4757/1: [AT... |
1163 1164 |
void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} void __init at91_set_serial_console(unsigned portnr) {} |
877d7720f [ARM] 4370/3: AT9... |
1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 |
void __init at91_add_device_serial(void) {} #endif /* -------------------------------------------------------------------- */ /* * These devices are always present and don't need any board-specific * setup. */ static int __init at91_add_standard_devices(void) { |
6ff89e9d6 ARM: 5620/1: at91... |
1177 |
at91_add_device_hdmac(); |
884f5a6a8 [ARM] 4752/1: [AT... |
1178 1179 1180 |
at91_add_device_rtc(); at91_add_device_rtt(); at91_add_device_watchdog(); |
e5f40bfaf [ARM] 4909/1: [AT... |
1181 |
at91_add_device_tc(); |
877d7720f [ARM] 4370/3: AT9... |
1182 1183 1184 1185 |
return 0; } arch_initcall(at91_add_standard_devices); |