diff options
Diffstat (limited to 'arch/arm/mach-at91/at91cap9_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91cap9_devices.c | 171 |
1 files changed, 162 insertions, 9 deletions
diff --git a/arch/arm/mach-at91/at91cap9_devices.c b/arch/arm/mach-at91/at91cap9_devices.c index c50fad9cd14..747b9dedab8 100644 --- a/arch/arm/mach-at91/at91cap9_devices.c +++ b/arch/arm/mach-at91/at91cap9_devices.c @@ -16,15 +16,15 @@ #include <linux/dma-mapping.h> #include <linux/platform_device.h> -#include <linux/mtd/physmap.h> +#include <linux/i2c-gpio.h> #include <video/atmel_lcdc.h> #include <asm/arch/board.h> #include <asm/arch/gpio.h> #include <asm/arch/at91cap9.h> -#include <asm/arch/at91sam926x_mc.h> #include <asm/arch/at91cap9_matrix.h> +#include <asm/arch/at91sam9_smc.h> #include "generic.h" @@ -84,6 +84,105 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) {} /* -------------------------------------------------------------------- + * 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 = AT91CAP9_UDPHS_FIFO, + .end = AT91CAP9_UDPHS_FIFO + SZ_512K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91CAP9_BASE_UDPHS, + .end = AT91CAP9_BASE_UDPHS + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = AT91CAP9_ID_UDPHS, + .end = AT91CAP9_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[] = { + EP("ep0", 0, 64, 1, 0, 0), + EP("ep1", 1, 1024, 3, 1, 1), + EP("ep2", 2, 1024, 3, 1, 1), + EP("ep3", 3, 1024, 2, 1, 1), + EP("ep4", 4, 1024, 2, 1, 1), + EP("ep5", 5, 1024, 2, 1, 0), + EP("ep6", 6, 1024, 2, 1, 0), + EP("ep7", 7, 1024, 2, 0, 0), +}; + +#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[8]; +} 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) +{ + at91_sys_write(AT91_MATRIX_UDPHS, AT91_MATRIX_SELECT_UDPHS | + AT91_MATRIX_UDPHS_BYPASS_LOCK); + + /* + * 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); + 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 * -------------------------------------------------------------------- */ @@ -246,7 +345,7 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) } mmc0_data = *data; - at91_clock_associate("mci0_clk", &at91cap9_mmc1_device.dev, "mci_clk"); + at91_clock_associate("mci0_clk", &at91cap9_mmc0_device.dev, "mci_clk"); platform_device_register(&at91cap9_mmc0_device); } else { /* MCI1 */ /* CLK */ @@ -283,10 +382,15 @@ static struct at91_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, } }; @@ -344,6 +448,7 @@ void __init at91_add_device_nand(struct at91_nand_data *data) void __init at91_add_device_nand(struct at91_nand_data *data) {} #endif + /* -------------------------------------------------------------------- * TWI (i2c) * -------------------------------------------------------------------- */ @@ -532,13 +637,59 @@ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices) /* -------------------------------------------------------------------- + * Timer/Counter block + * -------------------------------------------------------------------- */ + +#ifdef CONFIG_ATMEL_TCLIB + +static struct resource tcb_resources[] = { + [0] = { + .start = AT91CAP9_BASE_TCB0, + .end = AT91CAP9_BASE_TCB0 + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91CAP9_ID_TCB, + .end = AT91CAP9_ID_TCB, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91cap9_tcb_device = { + .name = "atmel_tcb", + .id = 0, + .resource = tcb_resources, + .num_resources = ARRAY_SIZE(tcb_resources), +}; + +static void __init at91_add_device_tc(void) +{ + /* this chip has one clock and irq for all three TC channels */ + at91_clock_associate("tcb_clk", &at91cap9_tcb_device.dev, "t0_clk"); + platform_device_register(&at91cap9_tcb_device); +} +#else +static void __init at91_add_device_tc(void) { } +#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 at91cap9_rtt_device = { .name = "at91_rtt", - .id = -1, - .num_resources = 0, + .id = 0, + .resource = rtt_resources, + .num_resources = ARRAY_SIZE(rtt_resources), }; static void __init at91_add_device_rtt(void) @@ -990,7 +1141,7 @@ static inline void configure_usart2_pins(unsigned pins) at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */ } -static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */ +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) @@ -1031,8 +1182,6 @@ void __init at91_set_serial_console(unsigned portnr) { if (portnr < ATMEL_MAX_UART) atmel_default_console_device = at91_uarts[portnr]; - if (!atmel_default_console_device) - printk(KERN_INFO "AT91: No default serial console defined.\n"); } void __init at91_add_device_serial(void) @@ -1043,6 +1192,9 @@ void __init at91_add_device_serial(void) 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) {} @@ -1060,6 +1212,7 @@ static int __init at91_add_standard_devices(void) { at91_add_device_rtt(); at91_add_device_watchdog(); + at91_add_device_tc(); return 0; } |