diff options
Diffstat (limited to 'arch/arm/mach-at91rm9200/devices.c')
| -rw-r--r-- | arch/arm/mach-at91rm9200/devices.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/arch/arm/mach-at91rm9200/devices.c b/arch/arm/mach-at91rm9200/devices.c new file mode 100644 index 00000000000..8df3e524565 --- /dev/null +++ b/arch/arm/mach-at91rm9200/devices.c @@ -0,0 +1,291 @@ +/* + * arch/arm/mach-at91rm9200/devices.c + * + * Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org> + * Copyright (C) 2005 David Brownell + * + * 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/config.h> +#include <linux/platform_device.h> + +#include <asm/arch/board.h> +#include <asm/arch/pio.h> + + +/* -------------------------------------------------------------------- + * USB Host + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static u64 ohci_dmamask = 0xffffffffUL; +static struct at91_usbh_data usbh_data; + +static struct resource at91rm9200_usbh_resource[] = { + [0] = { + .start = AT91_UHP_BASE, + .end = AT91_UHP_BASE + SZ_1M -1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91_ID_UHP, + .end = AT91_ID_UHP, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91rm9200_usbh_device = { + .name = "at91rm9200-ohci", + .id = -1, + .dev = { + .dma_mask = &ohci_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &usbh_data, + }, + .resource = at91rm9200_usbh_resource, + .num_resources = ARRAY_SIZE(at91rm9200_usbh_resource), +}; + +void __init at91_add_device_usbh(struct at91_usbh_data *data) +{ + if (!data) + return; + + usbh_data = *data; + platform_device_register(&at91rm9200_usbh_device); +} +#else +void __init at91_add_device_usbh(struct at91_usbh_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * USB Device (Gadget) + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_USB_GADGET_AT91 +static struct at91_udc_data udc_data; + +static struct resource at91_udc_resources[] = { + { + .start = AT91_BASE_UDP, + .end = AT91_BASE_UDP + SZ_16K - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device at91rm9200_udc_device = { + .name = "at91_udc", + .id = -1, + .dev = { + .platform_data = &udc_data, + }, + .resource = at91_udc_resources, + .num_resources = ARRAY_SIZE(at91_udc_resources), +}; + +void __init at91_add_device_udc(struct at91_udc_data *data) +{ + if (!data) + return; + + if (data->vbus_pin) { + at91_set_gpio_input(data->vbus_pin, 0); + at91_set_deglitch(data->vbus_pin, 1); + } + if (data->pullup_pin) + at91_set_gpio_output(data->pullup_pin, 0); + + udc_data = *data; + platform_device_register(&at91rm9200_udc_device); +} +#else +void __init at91_add_device_udc(struct at91_udc_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * Ethernet + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_ARM_AT91_ETHER) || defined(CONFIG_ARM_AT91_ETHER_MODULE) +static u64 eth_dmamask = 0xffffffffUL; +static struct at91_eth_data eth_data; + +static struct platform_device at91rm9200_eth_device = { + .name = "at91_ether", + .id = -1, + .dev = { + .dma_mask = ð_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = ð_data, + }, + .num_resources = 0, +}; + +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_PA16, 0); /* EMDIO */ + at91_set_A_periph(AT91_PIN_PA15, 0); /* EMDC */ + at91_set_A_periph(AT91_PIN_PA14, 0); /* ERXER */ + at91_set_A_periph(AT91_PIN_PA13, 0); /* ERX1 */ + at91_set_A_periph(AT91_PIN_PA12, 0); /* ERX0 */ + at91_set_A_periph(AT91_PIN_PA11, 0); /* ECRS_ECRSDV */ + at91_set_A_periph(AT91_PIN_PA10, 0); /* ETX1 */ + at91_set_A_periph(AT91_PIN_PA9, 0); /* ETX0 */ + at91_set_A_periph(AT91_PIN_PA8, 0); /* ETXEN */ + at91_set_A_periph(AT91_PIN_PA7, 0); /* ETXCK_EREFCK */ + + if (!data->is_rmii) { + at91_set_B_periph(AT91_PIN_PB19, 0); /* ERXCK */ + at91_set_B_periph(AT91_PIN_PB18, 0); /* ECOL */ + at91_set_B_periph(AT91_PIN_PB17, 0); /* ERXDV */ + at91_set_B_periph(AT91_PIN_PB16, 0); /* ERX3 */ + at91_set_B_periph(AT91_PIN_PB15, 0); /* ERX2 */ + at91_set_B_periph(AT91_PIN_PB14, 0); /* ETXER */ + at91_set_B_periph(AT91_PIN_PB13, 0); /* ETX3 */ + at91_set_B_periph(AT91_PIN_PB12, 0); /* ETX2 */ + } + + eth_data = *data; + platform_device_register(&at91rm9200_eth_device); +} +#else +void __init at91_add_device_eth(struct at91_eth_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * Compact Flash / PCMCIA + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_AT91_CF) || defined(CONFIG_AT91_CF_MODULE) +static struct at91_cf_data cf_data; + +static struct platform_device at91rm9200_cf_device = { + .name = "at91_cf", + .id = -1, + .dev = { + .platform_data = &cf_data, + }, + .num_resources = 0, +}; + +void __init at91_add_device_cf(struct at91_cf_data *data) +{ + if (!data) + return; + + /* input/irq */ + if (data->irq_pin) { + at91_set_gpio_input(data->irq_pin, 1); + at91_set_deglitch(data->irq_pin, 1); + } + at91_set_gpio_input(data->det_pin, 1); + at91_set_deglitch(data->det_pin, 1); + + /* outputs, initially off */ + if (data->vcc_pin) + at91_set_gpio_output(data->vcc_pin, 0); + at91_set_gpio_output(data->rst_pin, 0); + + cf_data = *data; + platform_device_register(&at91rm9200_cf_device); +} +#else +void __init at91_add_device_cf(struct at91_cf_data *data) {} +#endif + + +/* -------------------------------------------------------------------- + * MMC / SD + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_MMC_AT91RM9200) || defined(CONFIG_MMC_AT91RM9200_MODULE) +static u64 mmc_dmamask = 0xffffffffUL; +static struct at91_mmc_data mmc_data; + +static struct resource at91_mmc_resources[] = { + { + .start = AT91_BASE_MCI, + .end = AT91_BASE_MCI + SZ_16K - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device at91rm9200_mmc_device = { + .name = "at91rm9200_mci", + .id = -1, + .dev = { + .dma_mask = &mmc_dmamask, + .coherent_dma_mask = 0xffffffff, + .platform_data = &mmc_data, + }, + .resource = at91_mmc_resources, + .num_resources = ARRAY_SIZE(at91_mmc_resources), +}; + +void __init at91_add_device_mmc(struct at91_mmc_data *data) +{ + if (!data) + return; + + /* input/irq */ + if (data->det_pin) { + at91_set_gpio_input(data->det_pin, 1); + at91_set_deglitch(data->det_pin, 1); + } + if (data->wp_pin) + at91_set_gpio_input(data->wp_pin, 1); + + /* CLK */ + at91_set_A_periph(AT91_PIN_PA27, 0); + + if (data->is_b) { + /* CMD */ + at91_set_B_periph(AT91_PIN_PA8, 0); + + /* DAT0, maybe DAT1..DAT3 */ + at91_set_B_periph(AT91_PIN_PA9, 0); + if (data->wire4) { + at91_set_B_periph(AT91_PIN_PA10, 0); + at91_set_B_periph(AT91_PIN_PA11, 0); + at91_set_B_periph(AT91_PIN_PA12, 0); + } + } else { + /* CMD */ + at91_set_A_periph(AT91_PIN_PA28, 0); + + /* DAT0, maybe DAT1..DAT3 */ + at91_set_A_periph(AT91_PIN_PA29, 0); + if (data->wire4) { + at91_set_B_periph(AT91_PIN_PB3, 0); + at91_set_B_periph(AT91_PIN_PB4, 0); + at91_set_B_periph(AT91_PIN_PB5, 0); + } + } + + mmc_data = *data; + platform_device_register(&at91rm9200_mmc_device); +} +#else +void __init at91_add_device_mmc(struct at91_mmc_data *data) {} +#endif + +/* -------------------------------------------------------------------- */ |