-/*
- * Ralink RT288x SoC platform device registration
- *
- * Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
- * Copyright (C) 2008 Imre Kaloz <kaloz@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/rt288x.h>
-#include <asm/mach-ralink/rt288x_regs.h>
-#include <asm/mach-ralink/platform.h>
-
-static struct resource rt288x_flash0_resources[] = {
- {
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(RT2880_FLASH0_BASE),
- .end = KSEG1ADDR(RT2880_FLASH0_BASE) +
- RT2880_FLASH0_SIZE - 1,
- },
-};
-
-static struct platform_device rt288x_flash0_device = {
- .name = "physmap-flash",
- .resource = rt288x_flash0_resources,
- .num_resources = ARRAY_SIZE(rt288x_flash0_resources),
-};
-
-static struct resource rt288x_flash1_resources[] = {
- {
- .flags = IORESOURCE_MEM,
- .start = KSEG1ADDR(RT2880_FLASH1_BASE),
- .end = KSEG1ADDR(RT2880_FLASH1_BASE) +
- RT2880_FLASH1_SIZE - 1,
- },
-};
-
-static struct platform_device rt288x_flash1_device = {
- .name = "physmap-flash",
- .resource = rt288x_flash1_resources,
- .num_resources = ARRAY_SIZE(rt288x_flash1_resources),
-};
-
-static int rt288x_flash_instance __initdata;
-void __init rt288x_register_flash(unsigned int id,
- struct physmap_flash_data *pdata)
-{
- struct platform_device *pdev;
- u32 t;
- int reg;
-
- switch (id) {
- case 0:
- pdev = &rt288x_flash0_device;
- reg = MEMC_REG_FLASH_CFG0;
- break;
- case 1:
- pdev = &rt288x_flash1_device;
- reg = MEMC_REG_FLASH_CFG1;
- break;
- default:
- return;
- }
-
- t = rt288x_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 "RT288x: flash bank%u witdh is invalid\n", id);
- return;
- }
-
- pdev->dev.platform_data = pdata;
- pdev->id = rt288x_flash_instance;
-
- platform_device_register(pdev);
- rt288x_flash_instance++;
-}