| /* |
| * On-Chip devices setup code for the AT91SAM9G45 family |
| * |
| * Copyright (C) 2009 Atmel Corporation. |
| * |
| * 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/platform_device.h> |
| #include <linux/i2c-gpio.h> |
| |
| #include <linux/fb.h> |
| #include <video/atmel_lcdc.h> |
| |
| #include <mach/board.h> |
| #include <mach/gpio.h> |
| #include <mach/at91sam9g45.h> |
| #include <mach/at91sam9g45_matrix.h> |
| #include <mach/at91sam9_smc.h> |
| #include <mach/at_hdmac.h> |
| |
| #include "generic.h" |
| |
| |
| /* -------------------------------------------------------------------- |
| * 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 = 8, |
| }; |
| |
| static struct resource hdmac_resources[] = { |
| [0] = { |
| .start = AT91_BASE_SYS + AT91_DMA, |
| .end = AT91_BASE_SYS + AT91_DMA + SZ_512 - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_DMA, |
| .end = AT91SAM9G45_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); |
| dma_cap_set(DMA_SLAVE, atdma_pdata.cap_mask); |
| platform_device_register(&at_hdmac_device); |
| } |
| #else |
| void __init at91_add_device_hdmac(void) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * USB Host (OHCI) |
| * -------------------------------------------------------------------- */ |
| |
| #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_ohci_data; |
| |
| static struct resource usbh_ohci_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_OHCI_BASE, |
| .end = AT91SAM9G45_OHCI_BASE + SZ_1M - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_UHPHS, |
| .end = AT91SAM9G45_ID_UHPHS, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91_usbh_ohci_device = { |
| .name = "at91_ohci", |
| .id = -1, |
| .dev = { |
| .dma_mask = &ohci_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &usbh_ohci_data, |
| }, |
| .resource = usbh_ohci_resources, |
| .num_resources = ARRAY_SIZE(usbh_ohci_resources), |
| }; |
| |
| void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) |
| { |
| int i; |
| |
| if (!data) |
| return; |
| |
| /* Enable VBus control for UHP ports */ |
| for (i = 0; i < data->ports; i++) { |
| if (data->vbus_pin[i]) |
| at91_set_gpio_output(data->vbus_pin[i], 0); |
| } |
| |
| usbh_ohci_data = *data; |
| platform_device_register(&at91_usbh_ohci_device); |
| } |
| #else |
| void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * USB Host HS (EHCI) |
| * Needs an OHCI host for low and full speed management |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE) |
| static u64 ehci_dmamask = DMA_BIT_MASK(32); |
| static struct at91_usbh_data usbh_ehci_data; |
| |
| static struct resource usbh_ehci_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_EHCI_BASE, |
| .end = AT91SAM9G45_EHCI_BASE + SZ_1M - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_UHPHS, |
| .end = AT91SAM9G45_ID_UHPHS, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91_usbh_ehci_device = { |
| .name = "atmel-ehci", |
| .id = -1, |
| .dev = { |
| .dma_mask = &ehci_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &usbh_ehci_data, |
| }, |
| .resource = usbh_ehci_resources, |
| .num_resources = ARRAY_SIZE(usbh_ehci_resources), |
| }; |
| |
| void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) |
| { |
| int i; |
| |
| if (!data) |
| return; |
| |
| /* Enable VBus control for UHP ports */ |
| for (i = 0; i < data->ports; i++) { |
| if (data->vbus_pin[i]) |
| at91_set_gpio_output(data->vbus_pin[i], 0); |
| } |
| |
| usbh_ehci_data = *data; |
| at91_clock_associate("uhphs_clk", &at91_usbh_ehci_device.dev, "ehci_clk"); |
| platform_device_register(&at91_usbh_ehci_device); |
| } |
| #else |
| void __init at91_add_device_usbh_ehci(struct at91_usbh_data *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * USB HS Device (Gadget) |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) |
| static struct resource usba_udc_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_UDPHS_FIFO, |
| .end = AT91SAM9G45_UDPHS_FIFO + SZ_512K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_BASE_UDPHS, |
| .end = AT91SAM9G45_BASE_UDPHS + SZ_1K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [2] = { |
| .start = AT91SAM9G45_ID_UDPHS, |
| .end = AT91SAM9G45_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) |
| { |
| usba_udc_data.pdata.vbus_pin = -EINVAL; |
| usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); |
| memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; |
| |
| if (data && data->vbus_pin > 0) { |
| 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 */ |
| |
| /* Clocks */ |
| at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); |
| at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); |
| |
| platform_device_register(&at91_usba_udc_device); |
| } |
| #else |
| void __init at91_add_device_usba(struct usba_platform_data *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * Ethernet |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE) |
| static u64 eth_dmamask = DMA_BIT_MASK(32); |
| static struct at91_eth_data eth_data; |
| |
| static struct resource eth_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_EMAC, |
| .end = AT91SAM9G45_BASE_EMAC + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_EMAC, |
| .end = AT91SAM9G45_ID_EMAC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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 at91_eth_data *data) |
| { |
| if (!data) |
| return; |
| |
| if (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_PA17, 0); /* ETXCK_EREFCK */ |
| at91_set_A_periph(AT91_PIN_PA15, 0); /* ERXDV */ |
| at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ |
| at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ |
| at91_set_A_periph(AT91_PIN_PA16, 0); /* ERXER */ |
| at91_set_A_periph(AT91_PIN_PA14, 0); /* ETXEN */ |
| at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX0 */ |
| at91_set_A_periph(AT91_PIN_PA11, 0); /* ETX1 */ |
| at91_set_A_periph(AT91_PIN_PA19, 0); /* EMDIO */ |
| at91_set_A_periph(AT91_PIN_PA18, 0); /* EMDC */ |
| |
| if (!data->is_rmii) { |
| at91_set_B_periph(AT91_PIN_PA29, 0); /* ECRS */ |
| at91_set_B_periph(AT91_PIN_PA30, 0); /* ECOL */ |
| at91_set_B_periph(AT91_PIN_PA8, 0); /* ERX2 */ |
| at91_set_B_periph(AT91_PIN_PA9, 0); /* ERX3 */ |
| at91_set_B_periph(AT91_PIN_PA28, 0); /* ERXCK */ |
| at91_set_B_periph(AT91_PIN_PA6, 0); /* ETX2 */ |
| at91_set_B_periph(AT91_PIN_PA7, 0); /* ETX3 */ |
| at91_set_B_periph(AT91_PIN_PA27, 0); /* ETXER */ |
| } |
| |
| eth_data = *data; |
| platform_device_register(&at91sam9g45_eth_device); |
| } |
| #else |
| void __init at91_add_device_eth(struct at91_eth_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 = AT91_BASE_SYS + AT91_ECC, |
| .end = AT91_BASE_SYS + AT91_ECC + SZ_512 - 1, |
| .flags = IORESOURCE_MEM, |
| } |
| }; |
| |
| static struct platform_device at91sam9g45_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_sys_read(AT91_MATRIX_EBICSA); |
| at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA); |
| |
| /* enable pin */ |
| if (data->enable_pin) |
| at91_set_gpio_output(data->enable_pin, 1); |
| |
| /* ready/busy pin */ |
| if (data->rdy_pin) |
| at91_set_gpio_input(data->rdy_pin, 1); |
| |
| /* card detect pin */ |
| if (data->det_pin) |
| at91_set_gpio_input(data->det_pin, 1); |
| |
| nand_data = *data; |
| platform_device_register(&at91sam9g45_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_i2c0 = { |
| .sda_pin = AT91_PIN_PA20, |
| .sda_is_open_drain = 1, |
| .scl_pin = AT91_PIN_PA21, |
| .scl_is_open_drain = 1, |
| .udelay = 2, /* ~100 kHz */ |
| }; |
| |
| static struct platform_device at91sam9g45_twi0_device = { |
| .name = "i2c-gpio", |
| .id = 0, |
| .dev.platform_data = &pdata_i2c0, |
| }; |
| |
| static struct i2c_gpio_platform_data pdata_i2c1 = { |
| .sda_pin = AT91_PIN_PB10, |
| .sda_is_open_drain = 1, |
| .scl_pin = AT91_PIN_PB11, |
| .scl_is_open_drain = 1, |
| .udelay = 2, /* ~100 kHz */ |
| }; |
| |
| static struct platform_device at91sam9g45_twi1_device = { |
| .name = "i2c-gpio", |
| .id = 1, |
| .dev.platform_data = &pdata_i2c1, |
| }; |
| |
| void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) |
| { |
| i2c_register_board_info(i2c_id, devices, nr_devices); |
| |
| if (i2c_id == 0) { |
| at91_set_GPIO_periph(AT91_PIN_PA20, 1); /* TWD (SDA) */ |
| at91_set_multi_drive(AT91_PIN_PA20, 1); |
| |
| at91_set_GPIO_periph(AT91_PIN_PA21, 1); /* TWCK (SCL) */ |
| at91_set_multi_drive(AT91_PIN_PA21, 1); |
| |
| platform_device_register(&at91sam9g45_twi0_device); |
| } else { |
| at91_set_GPIO_periph(AT91_PIN_PB10, 1); /* TWD (SDA) */ |
| at91_set_multi_drive(AT91_PIN_PB10, 1); |
| |
| at91_set_GPIO_periph(AT91_PIN_PB11, 1); /* TWCK (SCL) */ |
| at91_set_multi_drive(AT91_PIN_PB11, 1); |
| |
| platform_device_register(&at91sam9g45_twi1_device); |
| } |
| } |
| |
| #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE) |
| static struct resource twi0_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_TWI0, |
| .end = AT91SAM9G45_BASE_TWI0 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_TWI0, |
| .end = AT91SAM9G45_ID_TWI0, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_twi0_device = { |
| .name = "at91_i2c", |
| .id = 0, |
| .resource = twi0_resources, |
| .num_resources = ARRAY_SIZE(twi0_resources), |
| }; |
| |
| static struct resource twi1_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_TWI1, |
| .end = AT91SAM9G45_BASE_TWI1 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_TWI1, |
| .end = AT91SAM9G45_ID_TWI1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_twi1_device = { |
| .name = "at91_i2c", |
| .id = 1, |
| .resource = twi1_resources, |
| .num_resources = ARRAY_SIZE(twi1_resources), |
| }; |
| |
| void __init at91_add_device_i2c(short i2c_id, struct i2c_board_info *devices, int nr_devices) |
| { |
| i2c_register_board_info(i2c_id, devices, nr_devices); |
| |
| /* pins used for TWI interface */ |
| if (i2c_id == 0) { |
| at91_set_A_periph(AT91_PIN_PA20, 0); /* TWD */ |
| at91_set_multi_drive(AT91_PIN_PA20, 1); |
| |
| at91_set_A_periph(AT91_PIN_PA21, 0); /* TWCK */ |
| at91_set_multi_drive(AT91_PIN_PA21, 1); |
| |
| platform_device_register(&at91sam9g45_twi0_device); |
| } else { |
| at91_set_A_periph(AT91_PIN_PB10, 0); /* TWD */ |
| at91_set_multi_drive(AT91_PIN_PB10, 1); |
| |
| at91_set_A_periph(AT91_PIN_PB11, 0); /* TWCK */ |
| at91_set_multi_drive(AT91_PIN_PB11, 1); |
| |
| platform_device_register(&at91sam9g45_twi1_device); |
| } |
| } |
| #else |
| void __init at91_add_device_i2c(short i2c_id, 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 = AT91SAM9G45_BASE_SPI0, |
| .end = AT91SAM9G45_BASE_SPI0 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_SPI0, |
| .end = AT91SAM9G45_ID_SPI0, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_PB3, AT91_PIN_PB18, AT91_PIN_PB19, AT91_PIN_PD27 }; |
| |
| static struct resource spi1_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_SPI1, |
| .end = AT91SAM9G45_BASE_SPI1 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_SPI1, |
| .end = AT91SAM9G45_ID_SPI1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_PB17, AT91_PIN_PD28, AT91_PIN_PD18, AT91_PIN_PD19 }; |
| |
| void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) |
| { |
| int i; |
| unsigned long cs_pin; |
| short enable_spi0 = 0; |
| short enable_spi1 = 0; |
| |
| /* Choose SPI chip-selects */ |
| for (i = 0; i < nr_devices; i++) { |
| if (devices[i].controller_data) |
| cs_pin = (unsigned long) devices[i].controller_data; |
| else if (devices[i].bus_num == 0) |
| cs_pin = spi0_standard_cs[devices[i].chip_select]; |
| else |
| cs_pin = spi1_standard_cs[devices[i].chip_select]; |
| |
| if (devices[i].bus_num == 0) |
| enable_spi0 = 1; |
| else |
| enable_spi1 = 1; |
| |
| /* enable chip-select pin */ |
| at91_set_gpio_output(cs_pin, 1); |
| |
| /* pass chip-select pin to driver */ |
| devices[i].controller_data = (void *) cs_pin; |
| } |
| |
| spi_register_board_info(devices, nr_devices); |
| |
| /* Configure SPI bus(es) */ |
| if (enable_spi0) { |
| at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */ |
| at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */ |
| at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */ |
| |
| at91_clock_associate("spi0_clk", &at91sam9g45_spi0_device.dev, "spi_clk"); |
| platform_device_register(&at91sam9g45_spi0_device); |
| } |
| if (enable_spi1) { |
| at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */ |
| at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */ |
| at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */ |
| |
| at91_clock_associate("spi1_clk", &at91sam9g45_spi1_device.dev, "spi_clk"); |
| platform_device_register(&at91sam9g45_spi1_device); |
| } |
| } |
| #else |
| void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * 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 = AT91SAM9G45_BASE_AC97C, |
| .end = AT91SAM9G45_BASE_AC97C + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_AC97C, |
| .end = AT91SAM9G45_ID_AC97C, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_PD8, 0); /* AC97FS */ |
| at91_set_A_periph(AT91_PIN_PD9, 0); /* AC97CK */ |
| at91_set_A_periph(AT91_PIN_PD7, 0); /* AC97TX */ |
| at91_set_A_periph(AT91_PIN_PD6, 0); /* AC97RX */ |
| |
| /* reset */ |
| if (data->reset_pin) |
| at91_set_gpio_output(data->reset_pin, 0); |
| |
| ac97_data = *data; |
| platform_device_register(&at91sam9g45_ac97_device); |
| } |
| #else |
| void __init at91_add_device_ac97(struct ac97c_platform_data *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * LCD Controller |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) |
| static u64 lcdc_dmamask = DMA_BIT_MASK(32); |
| static struct atmel_lcdfb_info lcdc_data; |
| |
| static struct resource lcdc_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_LCDC_BASE, |
| .end = AT91SAM9G45_LCDC_BASE + SZ_4K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_LCDC, |
| .end = AT91SAM9G45_ID_LCDC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91_lcdc_device = { |
| .name = "atmel_lcdfb", |
| .id = 0, |
| .dev = { |
| .dma_mask = &lcdc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .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_A_periph(AT91_PIN_PE0, 0); /* LCDDPWR */ |
| |
| at91_set_A_periph(AT91_PIN_PE2, 0); /* LCDCC */ |
| at91_set_A_periph(AT91_PIN_PE3, 0); /* LCDVSYNC */ |
| at91_set_A_periph(AT91_PIN_PE4, 0); /* LCDHSYNC */ |
| at91_set_A_periph(AT91_PIN_PE5, 0); /* LCDDOTCK */ |
| at91_set_A_periph(AT91_PIN_PE6, 0); /* LCDDEN */ |
| at91_set_A_periph(AT91_PIN_PE7, 0); /* LCDD0 */ |
| at91_set_A_periph(AT91_PIN_PE8, 0); /* LCDD1 */ |
| at91_set_A_periph(AT91_PIN_PE9, 0); /* LCDD2 */ |
| at91_set_A_periph(AT91_PIN_PE10, 0); /* LCDD3 */ |
| at91_set_A_periph(AT91_PIN_PE11, 0); /* LCDD4 */ |
| at91_set_A_periph(AT91_PIN_PE12, 0); /* LCDD5 */ |
| at91_set_A_periph(AT91_PIN_PE13, 0); /* LCDD6 */ |
| at91_set_A_periph(AT91_PIN_PE14, 0); /* LCDD7 */ |
| at91_set_A_periph(AT91_PIN_PE15, 0); /* LCDD8 */ |
| at91_set_A_periph(AT91_PIN_PE16, 0); /* LCDD9 */ |
| at91_set_A_periph(AT91_PIN_PE17, 0); /* LCDD10 */ |
| at91_set_A_periph(AT91_PIN_PE18, 0); /* LCDD11 */ |
| at91_set_A_periph(AT91_PIN_PE19, 0); /* LCDD12 */ |
| at91_set_A_periph(AT91_PIN_PE20, 0); /* LCDD13 */ |
| at91_set_A_periph(AT91_PIN_PE21, 0); /* LCDD14 */ |
| at91_set_A_periph(AT91_PIN_PE22, 0); /* LCDD15 */ |
| at91_set_A_periph(AT91_PIN_PE23, 0); /* LCDD16 */ |
| at91_set_A_periph(AT91_PIN_PE24, 0); /* LCDD17 */ |
| at91_set_A_periph(AT91_PIN_PE25, 0); /* LCDD18 */ |
| at91_set_A_periph(AT91_PIN_PE26, 0); /* LCDD19 */ |
| at91_set_A_periph(AT91_PIN_PE27, 0); /* LCDD20 */ |
| at91_set_A_periph(AT91_PIN_PE28, 0); /* LCDD21 */ |
| at91_set_A_periph(AT91_PIN_PE29, 0); /* LCDD22 */ |
| at91_set_A_periph(AT91_PIN_PE30, 0); /* LCDD23 */ |
| |
| lcdc_data = *data; |
| platform_device_register(&at91_lcdc_device); |
| } |
| #else |
| void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * Timer/Counter block |
| * -------------------------------------------------------------------- */ |
| |
| #ifdef CONFIG_ATMEL_TCLIB |
| static struct resource tcb0_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_TCB0, |
| .end = AT91SAM9G45_BASE_TCB0 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_TCB, |
| .end = AT91SAM9G45_ID_TCB, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_tcb0_device = { |
| .name = "atmel_tcb", |
| .id = 0, |
| .resource = tcb0_resources, |
| .num_resources = ARRAY_SIZE(tcb0_resources), |
| }; |
| |
| /* TCB1 begins with TC3 */ |
| static struct resource tcb1_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_TCB1, |
| .end = AT91SAM9G45_BASE_TCB1 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_TCB, |
| .end = AT91SAM9G45_ID_TCB, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_tcb1_device = { |
| .name = "atmel_tcb", |
| .id = 1, |
| .resource = tcb1_resources, |
| .num_resources = ARRAY_SIZE(tcb1_resources), |
| }; |
| |
| static void __init at91_add_device_tc(void) |
| { |
| /* this chip has one clock and irq for all six TC channels */ |
| at91_clock_associate("tcb0_clk", &at91sam9g45_tcb0_device.dev, "t0_clk"); |
| platform_device_register(&at91sam9g45_tcb0_device); |
| at91_clock_associate("tcb1_clk", &at91sam9g45_tcb1_device.dev, "t0_clk"); |
| platform_device_register(&at91sam9g45_tcb1_device); |
| } |
| #else |
| static void __init at91_add_device_tc(void) { } |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * RTC |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE) |
| static struct platform_device at91sam9g45_rtc_device = { |
| .name = "at91_rtc", |
| .id = -1, |
| .num_resources = 0, |
| }; |
| |
| static void __init at91_add_device_rtc(void) |
| { |
| platform_device_register(&at91sam9g45_rtc_device); |
| } |
| #else |
| static void __init at91_add_device_rtc(void) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * Touchscreen |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) |
| static u64 tsadcc_dmamask = DMA_BIT_MASK(32); |
| static struct at91_tsadcc_data tsadcc_data; |
| |
| static struct resource tsadcc_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_TSC, |
| .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_TSC, |
| .end = AT91SAM9G45_ID_TSC, |
| .flags = IORESOURCE_IRQ, |
| } |
| }; |
| |
| static struct platform_device at91sam9g45_tsadcc_device = { |
| .name = "atmel_tsadcc", |
| .id = -1, |
| .dev = { |
| .dma_mask = &tsadcc_dmamask, |
| .coherent_dma_mask = DMA_BIT_MASK(32), |
| .platform_data = &tsadcc_data, |
| }, |
| .resource = tsadcc_resources, |
| .num_resources = ARRAY_SIZE(tsadcc_resources), |
| }; |
| |
| void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) |
| { |
| if (!data) |
| return; |
| |
| at91_set_gpio_input(AT91_PIN_PD20, 0); /* AD0_XR */ |
| at91_set_gpio_input(AT91_PIN_PD21, 0); /* AD1_XL */ |
| at91_set_gpio_input(AT91_PIN_PD22, 0); /* AD2_YT */ |
| at91_set_gpio_input(AT91_PIN_PD23, 0); /* AD3_TB */ |
| |
| tsadcc_data = *data; |
| platform_device_register(&at91sam9g45_tsadcc_device); |
| } |
| #else |
| void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * RTT |
| * -------------------------------------------------------------------- */ |
| |
| static struct resource rtt_resources[] = { |
| { |
| .start = AT91_BASE_SYS + AT91_RTT, |
| .end = AT91_BASE_SYS + AT91_RTT + SZ_16 - 1, |
| .flags = IORESOURCE_MEM, |
| } |
| }; |
| |
| static struct platform_device at91sam9g45_rtt_device = { |
| .name = "at91_rtt", |
| .id = 0, |
| .resource = rtt_resources, |
| .num_resources = ARRAY_SIZE(rtt_resources), |
| }; |
| |
| static void __init at91_add_device_rtt(void) |
| { |
| platform_device_register(&at91sam9g45_rtt_device); |
| } |
| |
| |
| /* -------------------------------------------------------------------- |
| * Watchdog |
| * -------------------------------------------------------------------- */ |
| |
| #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE) |
| static struct platform_device at91sam9g45_wdt_device = { |
| .name = "at91_wdt", |
| .id = -1, |
| .num_resources = 0, |
| }; |
| |
| static void __init at91_add_device_watchdog(void) |
| { |
| platform_device_register(&at91sam9g45_wdt_device); |
| } |
| #else |
| static void __init at91_add_device_watchdog(void) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * PWM |
| * --------------------------------------------------------------------*/ |
| |
| #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE) |
| static u32 pwm_mask; |
| |
| static struct resource pwm_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_PWMC, |
| .end = AT91SAM9G45_BASE_PWMC + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_PWMC, |
| .end = AT91SAM9G45_ID_PWMC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_PD24, 1); /* enable PWM0 */ |
| |
| if (mask & (1 << AT91_PWM1)) |
| at91_set_B_periph(AT91_PIN_PD31, 1); /* enable PWM1 */ |
| |
| if (mask & (1 << AT91_PWM2)) |
| at91_set_B_periph(AT91_PIN_PD26, 1); /* enable PWM2 */ |
| |
| if (mask & (1 << AT91_PWM3)) |
| at91_set_B_periph(AT91_PIN_PD0, 1); /* enable PWM3 */ |
| |
| pwm_mask = mask; |
| |
| platform_device_register(&at91sam9g45_pwm0_device); |
| } |
| #else |
| void __init at91_add_device_pwm(u32 mask) {} |
| #endif |
| |
| |
| /* -------------------------------------------------------------------- |
| * 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 = AT91SAM9G45_BASE_SSC0, |
| .end = AT91SAM9G45_BASE_SSC0 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_SSC0, |
| .end = AT91SAM9G45_ID_SSC0, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_PD1, 1); |
| if (pins & ATMEL_SSC_TK) |
| at91_set_A_periph(AT91_PIN_PD0, 1); |
| if (pins & ATMEL_SSC_TD) |
| at91_set_A_periph(AT91_PIN_PD2, 1); |
| if (pins & ATMEL_SSC_RD) |
| at91_set_A_periph(AT91_PIN_PD3, 1); |
| if (pins & ATMEL_SSC_RK) |
| at91_set_A_periph(AT91_PIN_PD4, 1); |
| if (pins & ATMEL_SSC_RF) |
| at91_set_A_periph(AT91_PIN_PD5, 1); |
| } |
| |
| static u64 ssc1_dmamask = DMA_BIT_MASK(32); |
| |
| static struct resource ssc1_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_SSC1, |
| .end = AT91SAM9G45_BASE_SSC1 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_SSC1, |
| .end = AT91SAM9G45_ID_SSC1, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device at91sam9g45_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_A_periph(AT91_PIN_PD14, 1); |
| if (pins & ATMEL_SSC_TK) |
| at91_set_A_periph(AT91_PIN_PD12, 1); |
| if (pins & ATMEL_SSC_TD) |
| at91_set_A_periph(AT91_PIN_PD10, 1); |
| if (pins & ATMEL_SSC_RD) |
| at91_set_A_periph(AT91_PIN_PD11, 1); |
| if (pins & ATMEL_SSC_RK) |
| at91_set_A_periph(AT91_PIN_PD13, 1); |
| if (pins & ATMEL_SSC_RF) |
| at91_set_A_periph(AT91_PIN_PD15, 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 AT91SAM9G45_ID_SSC0: |
| pdev = &at91sam9g45_ssc0_device; |
| configure_ssc0_pins(pins); |
| at91_clock_associate("ssc0_clk", &pdev->dev, "pclk"); |
| break; |
| case AT91SAM9G45_ID_SSC1: |
| pdev = &at91sam9g45_ssc1_device; |
| configure_ssc1_pins(pins); |
| at91_clock_associate("ssc1_clk", &pdev->dev, "pclk"); |
| 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 = AT91_VA_BASE_SYS + AT91_DBGU, |
| .end = AT91_VA_BASE_SYS + AT91_DBGU + SZ_512 - 1, |
| .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, |
| .regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU), |
| }; |
| |
| static u64 dbgu_dmamask = DMA_BIT_MASK(32); |
| |
| static struct platform_device at91sam9g45_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_PB12, 0); /* DRXD */ |
| at91_set_A_periph(AT91_PIN_PB13, 1); /* DTXD */ |
| } |
| |
| static struct resource uart0_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_US0, |
| .end = AT91SAM9G45_BASE_US0 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_US0, |
| .end = AT91SAM9G45_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 at91sam9g45_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_PB19, 1); /* TXD0 */ |
| at91_set_A_periph(AT91_PIN_PB18, 0); /* RXD0 */ |
| |
| if (pins & ATMEL_UART_RTS) |
| at91_set_B_periph(AT91_PIN_PB17, 0); /* RTS0 */ |
| if (pins & ATMEL_UART_CTS) |
| at91_set_B_periph(AT91_PIN_PB15, 0); /* CTS0 */ |
| } |
| |
| static struct resource uart1_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_US1, |
| .end = AT91SAM9G45_BASE_US1 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_US1, |
| .end = AT91SAM9G45_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 at91sam9g45_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_PB4, 1); /* TXD1 */ |
| at91_set_A_periph(AT91_PIN_PB5, 0); /* RXD1 */ |
| |
| if (pins & ATMEL_UART_RTS) |
| at91_set_A_periph(AT91_PIN_PD16, 0); /* RTS1 */ |
| if (pins & ATMEL_UART_CTS) |
| at91_set_A_periph(AT91_PIN_PD17, 0); /* CTS1 */ |
| } |
| |
| static struct resource uart2_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_US2, |
| .end = AT91SAM9G45_BASE_US2 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_US2, |
| .end = AT91SAM9G45_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 at91sam9g45_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_PB6, 1); /* TXD2 */ |
| at91_set_A_periph(AT91_PIN_PB7, 0); /* RXD2 */ |
| |
| if (pins & ATMEL_UART_RTS) |
| at91_set_B_periph(AT91_PIN_PC9, 0); /* RTS2 */ |
| if (pins & ATMEL_UART_CTS) |
| at91_set_B_periph(AT91_PIN_PC11, 0); /* CTS2 */ |
| } |
| |
| static struct resource uart3_resources[] = { |
| [0] = { |
| .start = AT91SAM9G45_BASE_US3, |
| .end = AT91SAM9G45_BASE_US3 + SZ_16K - 1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = AT91SAM9G45_ID_US3, |
| .end = AT91SAM9G45_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 at91sam9g45_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_PB8, 1); /* TXD3 */ |
| at91_set_A_periph(AT91_PIN_PB9, 0); /* RXD3 */ |
| |
| if (pins & ATMEL_UART_RTS) |
| at91_set_B_periph(AT91_PIN_PA23, 0); /* RTS3 */ |
| if (pins & ATMEL_UART_CTS) |
| at91_set_B_periph(AT91_PIN_PA24, 0); /* CTS3 */ |
| } |
| |
| static struct platform_device *__initdata at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ |
| struct platform_device *atmel_default_console_device; /* the serial console device */ |
| |
| void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) |
| { |
| struct platform_device *pdev; |
| |
| switch (id) { |
| case 0: /* DBGU */ |
| pdev = &at91sam9g45_dbgu_device; |
| configure_dbgu_pins(); |
| at91_clock_associate("mck", &pdev->dev, "usart"); |
| break; |
| case AT91SAM9G45_ID_US0: |
| pdev = &at91sam9g45_uart0_device; |
| configure_usart0_pins(pins); |
| at91_clock_associate("usart0_clk", &pdev->dev, "usart"); |
| break; |
| case AT91SAM9G45_ID_US1: |
| pdev = &at91sam9g45_uart1_device; |
| configure_usart1_pins(pins); |
| at91_clock_associate("usart1_clk", &pdev->dev, "usart"); |
| break; |
| case AT91SAM9G45_ID_US2: |
| pdev = &at91sam9g45_uart2_device; |
| configure_usart2_pins(pins); |
| at91_clock_associate("usart2_clk", &pdev->dev, "usart"); |
| break; |
| case AT91SAM9G45_ID_US3: |
| pdev = &at91sam9g45_uart3_device; |
| configure_usart3_pins(pins); |
| at91_clock_associate("usart3_clk", &pdev->dev, "usart"); |
| break; |
| default: |
| return; |
| } |
| pdev->id = portnr; /* update to mapped ID */ |
| |
| if (portnr < ATMEL_MAX_UART) |
| at91_uarts[portnr] = pdev; |
| } |
| |
| void __init at91_set_serial_console(unsigned portnr) |
| { |
| if (portnr < ATMEL_MAX_UART) |
| atmel_default_console_device = at91_uarts[portnr]; |
| } |
| |
| 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]); |
| } |
| |
| if (!atmel_default_console_device) |
| printk(KERN_INFO "AT91: No default serial console defined.\n"); |
| } |
| #else |
| void __init at91_register_uart(unsigned id, unsigned portnr, unsigned pins) {} |
| void __init at91_set_serial_console(unsigned portnr) {} |
| 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) |
| { |
| at91_add_device_hdmac(); |
| at91_add_device_rtc(); |
| at91_add_device_rtt(); |
| at91_add_device_watchdog(); |
| at91_add_device_tc(); |
| return 0; |
| } |
| |
| arch_initcall(at91_add_standard_devices); |