diff options
Diffstat (limited to 'arch/xtensa/platforms/s6105/device.c')
-rw-r--r-- | arch/xtensa/platforms/s6105/device.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/arch/xtensa/platforms/s6105/device.c b/arch/xtensa/platforms/s6105/device.c deleted file mode 100644 index 4f4fc971042f..000000000000 --- a/arch/xtensa/platforms/s6105/device.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * s6105 platform devices - * - * Copyright (c) 2009 emlix GmbH - */ - -#include <linux/kernel.h> -#include <linux/gpio.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/phy.h> -#include <linux/platform_device.h> -#include <linux/serial.h> -#include <linux/serial_8250.h> - -#include <variant/hardware.h> -#include <variant/dmac.h> - -#include <platform/gpio.h> - -#define GPIO3_INTNUM 3 -#define UART_INTNUM 4 -#define GMAC_INTNUM 5 - -static const signed char gpio3_irq_mappings[] = { - S6_INTC_GPIO(3), - -1 -}; - -static const signed char uart_irq_mappings[] = { - S6_INTC_UART(0), - S6_INTC_UART(1), - -1, -}; - -static const signed char gmac_irq_mappings[] = { - S6_INTC_GMAC_STAT, - S6_INTC_GMAC_ERR, - S6_INTC_DMA_HOSTTERMCNT(0), - S6_INTC_DMA_HOSTTERMCNT(1), - -1 -}; - -const signed char *platform_irq_mappings[NR_IRQS] = { - [GPIO3_INTNUM] = gpio3_irq_mappings, - [UART_INTNUM] = uart_irq_mappings, - [GMAC_INTNUM] = gmac_irq_mappings, -}; - -static struct plat_serial8250_port serial_platform_data[] = { - { - .membase = (void *)S6_REG_UART + 0x0000, - .mapbase = S6_REG_UART + 0x0000, - .irq = UART_INTNUM, - .uartclk = S6_SCLK, - .regshift = 2, - .iotype = SERIAL_IO_MEM, - .flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST, - }, - { - .membase = (void *)S6_REG_UART + 0x1000, - .mapbase = S6_REG_UART + 0x1000, - .irq = UART_INTNUM, - .uartclk = S6_SCLK, - .regshift = 2, - .iotype = SERIAL_IO_MEM, - .flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST, - }, - { }, -}; - -static struct resource s6_gmac_resource[] = { - { - .name = "mem", - .start = (resource_size_t)S6_REG_GMAC, - .end = (resource_size_t)S6_REG_GMAC + 0x10000 - 1, - .flags = IORESOURCE_MEM, - }, - { - .name = "dma", - .start = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACTX), - .end = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACTX) + 0x100 - 1, - .flags = IORESOURCE_DMA, - }, - { - .name = "dma", - .start = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACRX), - .end = (resource_size_t) - DMA_CHNL(S6_REG_HIFDMA, S6_HIFDMA_GMACRX) + 0x100 - 1, - .flags = IORESOURCE_DMA, - }, - { - .name = "io", - .start = (resource_size_t)S6_MEM_GMAC, - .end = (resource_size_t)S6_MEM_GMAC + 0x2000000 - 1, - .flags = IORESOURCE_IO, - }, - { - .name = "irq", - .start = (resource_size_t)GMAC_INTNUM, - .flags = IORESOURCE_IRQ, - }, - { - .name = "irq", - .start = (resource_size_t)PHY_POLL, - .flags = IORESOURCE_IRQ, - }, -}; - -static int __init prepare_phy_irq(int pin) -{ - int irq; - if (gpio_request(pin, "s6gmac_phy") < 0) - goto fail; - if (gpio_direction_input(pin) < 0) - goto free; - irq = gpio_to_irq(pin); - if (irq < 0) - goto free; - if (irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW) < 0) - goto free; - return irq; -free: - gpio_free(pin); -fail: - return PHY_POLL; -} - -static struct platform_device platform_devices[] = { - { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = serial_platform_data, - }, - }, - { - .name = "s6gmac", - .id = 0, - .resource = s6_gmac_resource, - .num_resources = ARRAY_SIZE(s6_gmac_resource), - }, - { - I2C_BOARD_INFO("m41t62", S6I2C_ADDR_M41T62), - }, -}; - -static int __init device_init(void) -{ - int i; - - s6_gmac_resource[5].start = prepare_phy_irq(GPIO_PHY_IRQ); - - for (i = 0; i < ARRAY_SIZE(platform_devices); i++) - platform_device_register(&platform_devices[i]); - return 0; -} -arch_initcall_sync(device_init); |