/* * Ralink RT305x SoC platform device registration * * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. */ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/mtd/mtd.h> #include <linux/mtd/physmap.h> #include <asm/addrspace.h> #include <asm/mach-ralink/rt305x.h> #include <asm/mach-ralink/rt305x_regs.h> #include "devices.h" #include <ramips_eth_platform.h> static struct resource rt305x_flash0_resources[] = { { .flags = IORESOURCE_MEM, .start = KSEG1ADDR(RT305X_FLASH0_BASE), .end = KSEG1ADDR(RT305X_FLASH0_BASE) + RT305X_FLASH0_SIZE - 1, }, }; static struct platform_device rt305x_flash0_device = { .name = "physmap-flash", .resource = rt305x_flash0_resources, .num_resources = ARRAY_SIZE(rt305x_flash0_resources), }; static struct resource rt305x_flash1_resources[] = { { .flags = IORESOURCE_MEM, .start = KSEG1ADDR(RT305X_FLASH1_BASE), .end = KSEG1ADDR(RT305X_FLASH1_BASE) + RT305X_FLASH1_SIZE - 1, }, }; static struct platform_device rt305x_flash1_device = { .name = "physmap-flash", .resource = rt305x_flash1_resources, .num_resources = ARRAY_SIZE(rt305x_flash1_resources), }; static int rt305x_flash_instance __initdata; void __init rt305x_register_flash(unsigned int id, struct physmap_flash_data *pdata) { struct platform_device *pdev; u32 t; int reg; switch (id) { case 0: pdev = &rt305x_flash0_device; reg = MEMC_REG_FLASH_CFG0; break; case 1: pdev = &rt305x_flash1_device; reg = MEMC_REG_FLASH_CFG1; break; default: return; } t = rt305x_memc_rr(reg); t = (t >> FLASH_CFG_WIDTH_SHIFT) & FLASH_CFG_WIDTH_MASK; switch (t) { case FLASH_CFG_WIDTH_8BIT: pdata->width = 1; break; case FLASH_CFG_WIDTH_16BIT: pdata->width = 2; break; case FLASH_CFG_WIDTH_32BIT: pdata->width = 4; break; default: printk(KERN_ERR "RT305x: flash bank%u witdh is invalid\n", id); return; } pdev->dev.platform_data = pdata; pdev->id = rt305x_flash_instance; platform_device_register(pdev); rt305x_flash_instance++; } static void rt305x_fe_reset(void) { rt305x_sysc_wr(RT305X_RESET_FE, SYSC_REG_RESET_CTRL); rt305x_sysc_wr(0, SYSC_REG_RESET_CTRL); } static struct resource rt305x_eth_resources[] = { { .start = RT305X_FE_BASE, .end = RT305X_FE_BASE + PAGE_SIZE - 1, .flags = IORESOURCE_MEM, }, { .start = RT305X_CPU_IRQ_FE, .end = RT305X_CPU_IRQ_FE, .flags = IORESOURCE_IRQ, }, }; static struct ramips_eth_platform_data ramips_eth_data = { .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 }, .reset_fe = rt305x_fe_reset, .min_pkt_len = 64, }; static struct platform_device rt305x_eth_device = { .name = "ramips_eth", .resource = rt305x_eth_resources, .num_resources = ARRAY_SIZE(rt305x_eth_resources), .dev = { .platform_data = &ramips_eth_data, } }; void __init rt305x_register_ethernet(void) { ramips_eth_data.sys_freq = rt305x_sys_freq; platform_device_register(&rt305x_eth_device); } static struct resource rt305x_wifi_resources[] = { { .start = RT305X_WMAC_BASE, .end = RT305X_WMAC_BASE + 0x3FFFF, .flags = IORESOURCE_MEM, }, { .start = RT305X_CPU_IRQ_WNIC, .end = RT305X_CPU_IRQ_WNIC, .flags = IORESOURCE_IRQ, }, }; static struct platform_device rt305x_wifi_device = { .name = "rt2800_wmac", .resource = rt305x_wifi_resources, .num_resources = ARRAY_SIZE(rt305x_wifi_resources), .dev = { .platform_data = NULL, } }; void __init rt305x_register_wifi(void) { platform_device_register(&rt305x_wifi_device); }