arch/arm/mach-iop13xx/setup.c - kernel/lockdown - Git at Google

 /*
  * iop13xx platform Initialization
  * Copyright (c) 2005-2006, Intel Corporation.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
  * version 2, as published by the Free Software Foundation.
  *
  * This program is distributed in the hope it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  * more details.
  *
  * You should have received a copy of the GNU General Public License along with
  * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
  * Place - Suite 330, Boston, MA 02111-1307 USA.
  *
  */

 #include <linux/dma-mapping.h>
 #include <linux/serial_8250.h>
 #include <linux/io.h>
 #ifdef CONFIG_MTD_PHYSMAP
 #include <linux/mtd/physmap.h>
 #endif
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <asm/hardware/iop_adma.h>

 #define IOP13XX_UART_XTAL 33334000
 #define IOP13XX_SETUP_DEBUG 0
 #define PRINTK(x...) ((void)(IOP13XX_SETUP_DEBUG && printk(x)))

 /* Standard IO mapping for all IOP13XX based systems
  */
 static struct map_desc iop13xx_std_desc[] __initdata = {
 	{    /* mem mapped registers */
 		.virtual = (unsigned long)IOP13XX_PMMR_VIRT_MEM_BASE,
 		.pfn 	 = __phys_to_pfn(IOP13XX_PMMR_PHYS_MEM_BASE),
 		.length  = IOP13XX_PMMR_SIZE,
 		.type	 = MT_DEVICE,
 	},
 };

 static struct resource iop13xx_uart0_resources[] = {
 	[0] = {
 		.start = IOP13XX_UART0_PHYS,
 		.end = IOP13XX_UART0_PHYS + 0x3f,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_UART0,
 		.end = IRQ_IOP13XX_UART0,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct resource iop13xx_uart1_resources[] = {
 	[0] = {
 		.start = IOP13XX_UART1_PHYS,
 		.end = IOP13XX_UART1_PHYS + 0x3f,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_UART1,
 		.end = IRQ_IOP13XX_UART1,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct plat_serial8250_port iop13xx_uart0_data[] = {
 	{
        .membase     = IOP13XX_UART0_VIRT,
        .mapbase     = IOP13XX_UART0_PHYS,
        .irq         = IRQ_IOP13XX_UART0,
        .uartclk     = IOP13XX_UART_XTAL,
        .regshift    = 2,
        .iotype      = UPIO_MEM,
        .flags       = UPF_SKIP_TEST,
 	},
 	{  },
 };

 static struct plat_serial8250_port iop13xx_uart1_data[] = {
 	{
        .membase     = IOP13XX_UART1_VIRT,
        .mapbase     = IOP13XX_UART1_PHYS,
        .irq         = IRQ_IOP13XX_UART1,
        .uartclk     = IOP13XX_UART_XTAL,
        .regshift    = 2,
        .iotype      = UPIO_MEM,
        .flags       = UPF_SKIP_TEST,
 	},
 	{  },
 };

 /* The ids are fixed up later in iop13xx_platform_init */
 static struct platform_device iop13xx_uart0 = {
        .name = "serial8250",
        .id = 0,
        .dev.platform_data = iop13xx_uart0_data,
        .num_resources = 2,
        .resource = iop13xx_uart0_resources,
 };

 static struct platform_device iop13xx_uart1 = {
        .name = "serial8250",
        .id = 0,
        .dev.platform_data = iop13xx_uart1_data,
        .num_resources = 2,
        .resource = iop13xx_uart1_resources
 };

 static struct resource iop13xx_i2c_0_resources[] = {
 	[0] = {
 		.start = IOP13XX_I2C0_PHYS,
 		.end = IOP13XX_I2C0_PHYS + 0x18,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_I2C_0,
 		.end = IRQ_IOP13XX_I2C_0,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct resource iop13xx_i2c_1_resources[] = {
 	[0] = {
 		.start = IOP13XX_I2C1_PHYS,
 		.end = IOP13XX_I2C1_PHYS + 0x18,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_I2C_1,
 		.end = IRQ_IOP13XX_I2C_1,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct resource iop13xx_i2c_2_resources[] = {
 	[0] = {
 		.start = IOP13XX_I2C2_PHYS,
 		.end = IOP13XX_I2C2_PHYS + 0x18,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_I2C_2,
 		.end = IRQ_IOP13XX_I2C_2,
 		.flags = IORESOURCE_IRQ
 	}
 };

 /* I2C controllers. The IOP13XX uses the same block as the IOP3xx, so
  * we just use the same device name.
  */

 /* The ids are fixed up later in iop13xx_platform_init */
 static struct platform_device iop13xx_i2c_0_controller = {
 	.name = "IOP3xx-I2C",
 	.id = 0,
 	.num_resources = 2,
 	.resource = iop13xx_i2c_0_resources
 };

 static struct platform_device iop13xx_i2c_1_controller = {
 	.name = "IOP3xx-I2C",
 	.id = 0,
 	.num_resources = 2,
 	.resource = iop13xx_i2c_1_resources
 };

 static struct platform_device iop13xx_i2c_2_controller = {
 	.name = "IOP3xx-I2C",
 	.id = 0,
 	.num_resources = 2,
 	.resource = iop13xx_i2c_2_resources
 };

 #ifdef CONFIG_MTD_PHYSMAP
 /* PBI Flash Device
  */
 static struct physmap_flash_data iq8134x_flash_data = {
 	.width = 2,
 };

 static struct resource iq8134x_flash_resource = {
 	.start = IQ81340_FLASHBASE,
 	.end   = 0,
 	.flags = IORESOURCE_MEM,
 };

 static struct platform_device iq8134x_flash = {
 	.name           = "physmap-flash",
 	.id             = 0,
 	.dev            = { .platform_data  = &iq8134x_flash_data, },
 	.num_resources  = 1,
 	.resource       = &iq8134x_flash_resource,
 };

 static unsigned long iq8134x_probe_flash_size(void)
 {
 	uint8_t __iomem *flash_addr = ioremap(IQ81340_FLASHBASE, PAGE_SIZE);
 	int i;
 	char query[3];
 	unsigned long size = 0;
 	int width = iq8134x_flash_data.width;

 	if (flash_addr) {
 		/* send CFI 'query' command */
 		writew(0x98, flash_addr);

 		/* check for CFI compliance */
 		for (i = 0; i < 3 * width; i += width)
 			query[i / width] = readb(flash_addr + (0x10 * width) + i);

 		/* read the size */
 		if (memcmp(query, "QRY", 3) == 0)
 			size = 1 << readb(flash_addr + (0x27 * width));

 		/* send CFI 'read array' command */
 		writew(0xff, flash_addr);

 		iounmap(flash_addr);
 	}

 	return size;
 }
 #endif

 /* ADMA Channels */
 static struct resource iop13xx_adma_0_resources[] = {
 	[0] = {
 		.start = IOP13XX_ADMA_PHYS_BASE(0),
 		.end = IOP13XX_ADMA_UPPER_PA(0),
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_ADMA0_EOT,
 		.end = IRQ_IOP13XX_ADMA0_EOT,
 		.flags = IORESOURCE_IRQ
 	},
 	[2] = {
 		.start = IRQ_IOP13XX_ADMA0_EOC,
 		.end = IRQ_IOP13XX_ADMA0_EOC,
 		.flags = IORESOURCE_IRQ
 	},
 	[3] = {
 		.start = IRQ_IOP13XX_ADMA0_ERR,
 		.end = IRQ_IOP13XX_ADMA0_ERR,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct resource iop13xx_adma_1_resources[] = {
 	[0] = {
 		.start = IOP13XX_ADMA_PHYS_BASE(1),
 		.end = IOP13XX_ADMA_UPPER_PA(1),
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_ADMA1_EOT,
 		.end = IRQ_IOP13XX_ADMA1_EOT,
 		.flags = IORESOURCE_IRQ
 	},
 	[2] = {
 		.start = IRQ_IOP13XX_ADMA1_EOC,
 		.end = IRQ_IOP13XX_ADMA1_EOC,
 		.flags = IORESOURCE_IRQ
 	},
 	[3] = {
 		.start = IRQ_IOP13XX_ADMA1_ERR,
 		.end = IRQ_IOP13XX_ADMA1_ERR,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static struct resource iop13xx_adma_2_resources[] = {
 	[0] = {
 		.start = IOP13XX_ADMA_PHYS_BASE(2),
 		.end = IOP13XX_ADMA_UPPER_PA(2),
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
 		.start = IRQ_IOP13XX_ADMA2_EOT,
 		.end = IRQ_IOP13XX_ADMA2_EOT,
 		.flags = IORESOURCE_IRQ
 	},
 	[2] = {
 		.start = IRQ_IOP13XX_ADMA2_EOC,
 		.end = IRQ_IOP13XX_ADMA2_EOC,
 		.flags = IORESOURCE_IRQ
 	},
 	[3] = {
 		.start = IRQ_IOP13XX_ADMA2_ERR,
 		.end = IRQ_IOP13XX_ADMA2_ERR,
 		.flags = IORESOURCE_IRQ
 	}
 };

 static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(64);
 static struct iop_adma_platform_data iop13xx_adma_0_data = {
 	.hw_id = 0,
 	.pool_size = PAGE_SIZE,
 };

 static struct iop_adma_platform_data iop13xx_adma_1_data = {
 	.hw_id = 1,
 	.pool_size = PAGE_SIZE,
 };

 static struct iop_adma_platform_data iop13xx_adma_2_data = {
 	.hw_id = 2,
 	.pool_size = PAGE_SIZE,
 };

 /* The ids are fixed up later in iop13xx_platform_init */
 static struct platform_device iop13xx_adma_0_channel = {
 	.name = "iop-adma",
 	.id = 0,
 	.num_resources = 4,
 	.resource = iop13xx_adma_0_resources,
 	.dev = {
 		.dma_mask = &iop13xx_adma_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(64),
 		.platform_data = (void *) &iop13xx_adma_0_data,
 	},
 };

 static struct platform_device iop13xx_adma_1_channel = {
 	.name = "iop-adma",
 	.id = 0,
 	.num_resources = 4,
 	.resource = iop13xx_adma_1_resources,
 	.dev = {
 		.dma_mask = &iop13xx_adma_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(64),
 		.platform_data = (void *) &iop13xx_adma_1_data,
 	},
 };

 static struct platform_device iop13xx_adma_2_channel = {
 	.name = "iop-adma",
 	.id = 0,
 	.num_resources = 4,
 	.resource = iop13xx_adma_2_resources,
 	.dev = {
 		.dma_mask = &iop13xx_adma_dmamask,
 		.coherent_dma_mask = DMA_BIT_MASK(64),
 		.platform_data = (void *) &iop13xx_adma_2_data,
 	},
 };

 void __init iop13xx_map_io(void)
 {
 	/* Initialize the Static Page Table maps */
 	iotable_init(iop13xx_std_desc, ARRAY_SIZE(iop13xx_std_desc));
 }

 static int init_uart;
 static int init_i2c;
 static int init_adma;

 void __init iop13xx_platform_init(void)
 {
 	int i;
 	u32 uart_idx, i2c_idx, adma_idx, plat_idx;
 	struct platform_device *iop13xx_devices[IQ81340_MAX_PLAT_DEVICES];

 	/* set the bases so we can read the device id */
 	iop13xx_set_atu_mmr_bases();

 	memset(iop13xx_devices, 0, sizeof(iop13xx_devices));

 	if (init_uart == IOP13XX_INIT_UART_DEFAULT) {
 		switch (iop13xx_dev_id()) {
 		/* enable both uarts on iop341 */
 		case 0x3380:
 		case 0x3384:
 		case 0x3388:
 		case 0x338c:
 			init_uart |= IOP13XX_INIT_UART_0;
 			init_uart |= IOP13XX_INIT_UART_1;
 			break;
 		/* only enable uart 1 */
 		default:
 			init_uart |= IOP13XX_INIT_UART_1;
 		}
 	}

 	if (init_i2c == IOP13XX_INIT_I2C_DEFAULT) {
 		switch (iop13xx_dev_id()) {
 		/* enable all i2c units on iop341 and iop342 */
 		case 0x3380:
 		case 0x3384:
 		case 0x3388:
 		case 0x338c:
 		case 0x3382:
 		case 0x3386:
 		case 0x338a:
 		case 0x338e:
 			init_i2c |= IOP13XX_INIT_I2C_0;
 			init_i2c |= IOP13XX_INIT_I2C_1;
 			init_i2c |= IOP13XX_INIT_I2C_2;
 			break;
 		/* only enable i2c 1 and 2 */
 		default:
 			init_i2c |= IOP13XX_INIT_I2C_1;
 			init_i2c |= IOP13XX_INIT_I2C_2;
 		}
 	}

 	if (init_adma == IOP13XX_INIT_ADMA_DEFAULT) {
 		init_adma |= IOP13XX_INIT_ADMA_0;
 		init_adma |= IOP13XX_INIT_ADMA_1;
 		init_adma |= IOP13XX_INIT_ADMA_2;
 	}

 	plat_idx = 0;
 	uart_idx = 0;
 	i2c_idx = 0;

 	/* uart 1 (if enabled) is ttyS0 */
 	if (init_uart & IOP13XX_INIT_UART_1) {
 		PRINTK("Adding uart1 to platform device list\n");
 		iop13xx_uart1.id = uart_idx++;
 		iop13xx_devices[plat_idx++] = &iop13xx_uart1;
 	}
 	if (init_uart & IOP13XX_INIT_UART_0) {
 		PRINTK("Adding uart0 to platform device list\n");
 		iop13xx_uart0.id = uart_idx++;
 		iop13xx_devices[plat_idx++] = &iop13xx_uart0;
 	}

 	for(i = 0; i < IQ81340_NUM_I2C; i++) {
 		if ((init_i2c & (1 << i)) && IOP13XX_SETUP_DEBUG)
 			printk("Adding i2c%d to platform device list\n", i);
 		switch(init_i2c & (1 << i)) {
 		case IOP13XX_INIT_I2C_0:
 			iop13xx_i2c_0_controller.id = i2c_idx++;
 			iop13xx_devices[plat_idx++] =
 				&iop13xx_i2c_0_controller;
 			break;
 		case IOP13XX_INIT_I2C_1:
 			iop13xx_i2c_1_controller.id = i2c_idx++;
 			iop13xx_devices[plat_idx++] =
 				&iop13xx_i2c_1_controller;
 			break;
 		case IOP13XX_INIT_I2C_2:
 			iop13xx_i2c_2_controller.id = i2c_idx++;
 			iop13xx_devices[plat_idx++] =
 				&iop13xx_i2c_2_controller;
 			break;
 		}
 	}

 	/* initialize adma channel ids and capabilities */
 	adma_idx = 0;
 	for (i = 0; i < IQ81340_NUM_ADMA; i++) {
 		struct iop_adma_platform_data *plat_data;
 		if ((init_adma & (1 << i)) && IOP13XX_SETUP_DEBUG)
 			printk(KERN_INFO
 				"Adding adma%d to platform device list\n", i);
 		switch (init_adma & (1 << i)) {
 		case IOP13XX_INIT_ADMA_0:
 			iop13xx_adma_0_channel.id = adma_idx++;
 			iop13xx_devices[plat_idx++] = &iop13xx_adma_0_channel;
 			plat_data = &iop13xx_adma_0_data;
 			dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
 			dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
 			break;
 		case IOP13XX_INIT_ADMA_1:
 			iop13xx_adma_1_channel.id = adma_idx++;
 			iop13xx_devices[plat_idx++] = &iop13xx_adma_1_channel;
 			plat_data = &iop13xx_adma_1_data;
 			dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
 			dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
 			break;
 		case IOP13XX_INIT_ADMA_2:
 			iop13xx_adma_2_channel.id = adma_idx++;
 			iop13xx_devices[plat_idx++] = &iop13xx_adma_2_channel;
 			plat_data = &iop13xx_adma_2_data;
 			dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR, plat_data->cap_mask);
 			dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
 			dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
 			dma_cap_set(DMA_PQ, plat_data->cap_mask);
 			dma_cap_set(DMA_PQ_VAL, plat_data->cap_mask);
 			break;
 		}
 	}

 #ifdef CONFIG_MTD_PHYSMAP
 	iq8134x_flash_resource.end = iq8134x_flash_resource.start +
 				iq8134x_probe_flash_size() - 1;
 	if (iq8134x_flash_resource.end > iq8134x_flash_resource.start)
 		iop13xx_devices[plat_idx++] = &iq8134x_flash;
 	else
 		printk(KERN_ERR "%s: Failed to probe flash size\n", __func__);
 #endif

 	platform_add_devices(iop13xx_devices, plat_idx);
 }

 static int __init iop13xx_init_uart_setup(char *str)
 {
 	if (str) {
 		while (*str != '\0') {
 			switch(*str) {
 			case '0':
 				init_uart |= IOP13XX_INIT_UART_0;
 				break;
 			case '1':
 				init_uart |= IOP13XX_INIT_UART_1;
 				break;
 			case ',':
 			case '=':
 				break;
 			default:
 				PRINTK("\"iop13xx_init_uart\" malformed"
 					    " at character: \'%c\'", *str);
 				*(str + 1) = '\0';
 				init_uart = IOP13XX_INIT_UART_DEFAULT;
 			}
 			str++;
 		}
 	}
 	return 1;
 }

 static int __init iop13xx_init_i2c_setup(char *str)
 {
 	if (str) {
 		while (*str != '\0') {
 			switch(*str) {
 			case '0':
 				init_i2c |= IOP13XX_INIT_I2C_0;
 				break;
 			case '1':
 				init_i2c |= IOP13XX_INIT_I2C_1;
 				break;
 			case '2':
 				init_i2c |= IOP13XX_INIT_I2C_2;
 				break;
 			case ',':
 			case '=':
 				break;
 			default:
 				PRINTK("\"iop13xx_init_i2c\" malformed"
 					    " at character: \'%c\'", *str);
 				*(str + 1) = '\0';
 				init_i2c = IOP13XX_INIT_I2C_DEFAULT;
 			}
 			str++;
 		}
 	}
 	return 1;
 }

 static int __init iop13xx_init_adma_setup(char *str)
 {
 	if (str)	{
 		while (*str != '\0') {
 			switch (*str) {
 			case '0':
 				init_adma |= IOP13XX_INIT_ADMA_0;
 				break;
 			case '1':
 				init_adma |= IOP13XX_INIT_ADMA_1;
 				break;
 			case '2':
 				init_adma |= IOP13XX_INIT_ADMA_2;
 				break;
 			case ',':
 			case '=':
 				break;
 			default:
 				PRINTK("\"iop13xx_init_adma\" malformed"
 					    " at character: \'%c\'", *str);
 				*(str + 1) = '\0';
 				init_adma = IOP13XX_INIT_ADMA_DEFAULT;
 			}
 			str++;
 		}
 	}
 	return 1;
 }

 __setup("iop13xx_init_adma", iop13xx_init_adma_setup);
 __setup("iop13xx_init_uart", iop13xx_init_uart_setup);
 __setup("iop13xx_init_i2c", iop13xx_init_i2c_setup);

 void iop13xx_restart(enum reboot_mode mode, const char *cmd)
 {
 	/*
 	 * Reset the internal bus (warning both cores are reset)
 	 */
 	write_wdtcr(IOP_WDTCR_EN_ARM);
 	write_wdtcr(IOP_WDTCR_EN);
 	write_wdtsr(IOP13XX_WDTSR_WRITE_EN | IOP13XX_WDTCR_IB_RESET);
 	write_wdtcr(0x1000);
 }
	/*
	* iop13xx platform Initialization
	* Copyright (c) 2005-2006, Intel Corporation.
	*
	* This program is free software; you can redistribute it and/or modify it
	* under the terms and conditions of the GNU General Public License,
	* version 2, as published by the Free Software Foundation.
	*
	* This program is distributed in the hope it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	* more details.
	*
	* You should have received a copy of the GNU General Public License along with
	* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
	* Place - Suite 330, Boston, MA 02111-1307 USA.
	*
	*/

	#include <linux/dma-mapping.h>
	#include <linux/serial_8250.h>
	#include <linux/io.h>
	#ifdef CONFIG_MTD_PHYSMAP
	#include <linux/mtd/physmap.h>
	#endif
	#include <asm/mach/map.h>
	#include <mach/hardware.h>
	#include <asm/irq.h>
	#include <asm/hardware/iop_adma.h>

	#define IOP13XX_UART_XTAL 33334000
	#define IOP13XX_SETUP_DEBUG 0
	#define PRINTK(x...) ((void)(IOP13XX_SETUP_DEBUG && printk(x)))

	/* Standard IO mapping for all IOP13XX based systems
	*/
	static struct map_desc iop13xx_std_desc[] __initdata = {
	{ /* mem mapped registers */
	.virtual = (unsigned long)IOP13XX_PMMR_VIRT_MEM_BASE,
	.pfn = __phys_to_pfn(IOP13XX_PMMR_PHYS_MEM_BASE),
	.length = IOP13XX_PMMR_SIZE,
	.type = MT_DEVICE,
	},
	};

	static struct resource iop13xx_uart0_resources[] = {
	[0] = {
	.start = IOP13XX_UART0_PHYS,
	.end = IOP13XX_UART0_PHYS + 0x3f,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_UART0,
	.end = IRQ_IOP13XX_UART0,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct resource iop13xx_uart1_resources[] = {
	[0] = {
	.start = IOP13XX_UART1_PHYS,
	.end = IOP13XX_UART1_PHYS + 0x3f,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_UART1,
	.end = IRQ_IOP13XX_UART1,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct plat_serial8250_port iop13xx_uart0_data[] = {
	{
	.membase = IOP13XX_UART0_VIRT,
	.mapbase = IOP13XX_UART0_PHYS,
	.irq = IRQ_IOP13XX_UART0,
	.uartclk = IOP13XX_UART_XTAL,
	.regshift = 2,
	.iotype = UPIO_MEM,
	.flags = UPF_SKIP_TEST,
	},
	{ },
	};

	static struct plat_serial8250_port iop13xx_uart1_data[] = {
	{
	.membase = IOP13XX_UART1_VIRT,
	.mapbase = IOP13XX_UART1_PHYS,
	.irq = IRQ_IOP13XX_UART1,
	.uartclk = IOP13XX_UART_XTAL,
	.regshift = 2,
	.iotype = UPIO_MEM,
	.flags = UPF_SKIP_TEST,
	},
	{ },
	};

	/* The ids are fixed up later in iop13xx_platform_init */
	static struct platform_device iop13xx_uart0 = {
	.name = "serial8250",
	.id = 0,
	.dev.platform_data = iop13xx_uart0_data,
	.num_resources = 2,
	.resource = iop13xx_uart0_resources,
	};

	static struct platform_device iop13xx_uart1 = {
	.name = "serial8250",
	.id = 0,
	.dev.platform_data = iop13xx_uart1_data,
	.num_resources = 2,
	.resource = iop13xx_uart1_resources
	};

	static struct resource iop13xx_i2c_0_resources[] = {
	[0] = {
	.start = IOP13XX_I2C0_PHYS,
	.end = IOP13XX_I2C0_PHYS + 0x18,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_I2C_0,
	.end = IRQ_IOP13XX_I2C_0,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct resource iop13xx_i2c_1_resources[] = {
	[0] = {
	.start = IOP13XX_I2C1_PHYS,
	.end = IOP13XX_I2C1_PHYS + 0x18,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_I2C_1,
	.end = IRQ_IOP13XX_I2C_1,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct resource iop13xx_i2c_2_resources[] = {
	[0] = {
	.start = IOP13XX_I2C2_PHYS,
	.end = IOP13XX_I2C2_PHYS + 0x18,
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_I2C_2,
	.end = IRQ_IOP13XX_I2C_2,
	.flags = IORESOURCE_IRQ
	}
	};

	/* I2C controllers. The IOP13XX uses the same block as the IOP3xx, so
	* we just use the same device name.
	*/

	/* The ids are fixed up later in iop13xx_platform_init */
	static struct platform_device iop13xx_i2c_0_controller = {
	.name = "IOP3xx-I2C",
	.id = 0,
	.num_resources = 2,
	.resource = iop13xx_i2c_0_resources
	};

	static struct platform_device iop13xx_i2c_1_controller = {
	.name = "IOP3xx-I2C",
	.id = 0,
	.num_resources = 2,
	.resource = iop13xx_i2c_1_resources
	};

	static struct platform_device iop13xx_i2c_2_controller = {
	.name = "IOP3xx-I2C",
	.id = 0,
	.num_resources = 2,
	.resource = iop13xx_i2c_2_resources
	};

	#ifdef CONFIG_MTD_PHYSMAP
	/* PBI Flash Device
	*/
	static struct physmap_flash_data iq8134x_flash_data = {
	.width = 2,
	};

	static struct resource iq8134x_flash_resource = {
	.start = IQ81340_FLASHBASE,
	.end = 0,
	.flags = IORESOURCE_MEM,
	};

	static struct platform_device iq8134x_flash = {
	.name = "physmap-flash",
	.id = 0,
	.dev = { .platform_data = &iq8134x_flash_data, },
	.num_resources = 1,
	.resource = &iq8134x_flash_resource,
	};

	static unsigned long iq8134x_probe_flash_size(void)
	{
	uint8_t __iomem *flash_addr = ioremap(IQ81340_FLASHBASE, PAGE_SIZE);
	int i;
	char query[3];
	unsigned long size = 0;
	int width = iq8134x_flash_data.width;

	if (flash_addr) {
	/* send CFI 'query' command */
	writew(0x98, flash_addr);

	/* check for CFI compliance */
	for (i = 0; i < 3 * width; i += width)
	query[i / width] = readb(flash_addr + (0x10 * width) + i);

	/* read the size */
	if (memcmp(query, "QRY", 3) == 0)
	size = 1 << readb(flash_addr + (0x27 * width));

	/* send CFI 'read array' command */
	writew(0xff, flash_addr);

	iounmap(flash_addr);
	}

	return size;
	}
	#endif

	/* ADMA Channels */
	static struct resource iop13xx_adma_0_resources[] = {
	[0] = {
	.start = IOP13XX_ADMA_PHYS_BASE(0),
	.end = IOP13XX_ADMA_UPPER_PA(0),
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_ADMA0_EOT,
	.end = IRQ_IOP13XX_ADMA0_EOT,
	.flags = IORESOURCE_IRQ
	},
	[2] = {
	.start = IRQ_IOP13XX_ADMA0_EOC,
	.end = IRQ_IOP13XX_ADMA0_EOC,
	.flags = IORESOURCE_IRQ
	},
	[3] = {
	.start = IRQ_IOP13XX_ADMA0_ERR,
	.end = IRQ_IOP13XX_ADMA0_ERR,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct resource iop13xx_adma_1_resources[] = {
	[0] = {
	.start = IOP13XX_ADMA_PHYS_BASE(1),
	.end = IOP13XX_ADMA_UPPER_PA(1),
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_ADMA1_EOT,
	.end = IRQ_IOP13XX_ADMA1_EOT,
	.flags = IORESOURCE_IRQ
	},
	[2] = {
	.start = IRQ_IOP13XX_ADMA1_EOC,
	.end = IRQ_IOP13XX_ADMA1_EOC,
	.flags = IORESOURCE_IRQ
	},
	[3] = {
	.start = IRQ_IOP13XX_ADMA1_ERR,
	.end = IRQ_IOP13XX_ADMA1_ERR,
	.flags = IORESOURCE_IRQ
	}
	};

	static struct resource iop13xx_adma_2_resources[] = {
	[0] = {
	.start = IOP13XX_ADMA_PHYS_BASE(2),
	.end = IOP13XX_ADMA_UPPER_PA(2),
	.flags = IORESOURCE_MEM,
	},
	[1] = {
	.start = IRQ_IOP13XX_ADMA2_EOT,
	.end = IRQ_IOP13XX_ADMA2_EOT,
	.flags = IORESOURCE_IRQ
	},
	[2] = {
	.start = IRQ_IOP13XX_ADMA2_EOC,
	.end = IRQ_IOP13XX_ADMA2_EOC,
	.flags = IORESOURCE_IRQ
	},
	[3] = {
	.start = IRQ_IOP13XX_ADMA2_ERR,
	.end = IRQ_IOP13XX_ADMA2_ERR,
	.flags = IORESOURCE_IRQ
	}
	};

	static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(64);
	static struct iop_adma_platform_data iop13xx_adma_0_data = {
	.hw_id = 0,
	.pool_size = PAGE_SIZE,
	};

	static struct iop_adma_platform_data iop13xx_adma_1_data = {
	.hw_id = 1,
	.pool_size = PAGE_SIZE,
	};

	static struct iop_adma_platform_data iop13xx_adma_2_data = {
	.hw_id = 2,
	.pool_size = PAGE_SIZE,
	};

	/* The ids are fixed up later in iop13xx_platform_init */
	static struct platform_device iop13xx_adma_0_channel = {
	.name = "iop-adma",
	.id = 0,
	.num_resources = 4,
	.resource = iop13xx_adma_0_resources,
	.dev = {
	.dma_mask = &iop13xx_adma_dmamask,
	.coherent_dma_mask = DMA_BIT_MASK(64),
	.platform_data = (void *) &iop13xx_adma_0_data,
	},
	};

	static struct platform_device iop13xx_adma_1_channel = {
	.name = "iop-adma",
	.id = 0,
	.num_resources = 4,
	.resource = iop13xx_adma_1_resources,
	.dev = {
	.dma_mask = &iop13xx_adma_dmamask,
	.coherent_dma_mask = DMA_BIT_MASK(64),
	.platform_data = (void *) &iop13xx_adma_1_data,
	},
	};

	static struct platform_device iop13xx_adma_2_channel = {
	.name = "iop-adma",
	.id = 0,
	.num_resources = 4,
	.resource = iop13xx_adma_2_resources,
	.dev = {
	.dma_mask = &iop13xx_adma_dmamask,
	.coherent_dma_mask = DMA_BIT_MASK(64),
	.platform_data = (void *) &iop13xx_adma_2_data,
	},
	};

	void __init iop13xx_map_io(void)
	{
	/* Initialize the Static Page Table maps */
	iotable_init(iop13xx_std_desc, ARRAY_SIZE(iop13xx_std_desc));
	}

	static int init_uart;
	static int init_i2c;
	static int init_adma;

	void __init iop13xx_platform_init(void)
	{
	int i;
	u32 uart_idx, i2c_idx, adma_idx, plat_idx;
	struct platform_device *iop13xx_devices[IQ81340_MAX_PLAT_DEVICES];

	/* set the bases so we can read the device id */
	iop13xx_set_atu_mmr_bases();

	memset(iop13xx_devices, 0, sizeof(iop13xx_devices));

	if (init_uart == IOP13XX_INIT_UART_DEFAULT) {
	switch (iop13xx_dev_id()) {
	/* enable both uarts on iop341 */
	case 0x3380:
	case 0x3384:
	case 0x3388:
	case 0x338c:
	init_uart \|= IOP13XX_INIT_UART_0;
	init_uart \|= IOP13XX_INIT_UART_1;
	break;
	/* only enable uart 1 */
	default:
	init_uart \|= IOP13XX_INIT_UART_1;
	}
	}

	if (init_i2c == IOP13XX_INIT_I2C_DEFAULT) {
	switch (iop13xx_dev_id()) {
	/* enable all i2c units on iop341 and iop342 */
	case 0x3380:
	case 0x3384:
	case 0x3388:
	case 0x338c:
	case 0x3382:
	case 0x3386:
	case 0x338a:
	case 0x338e:
	init_i2c \|= IOP13XX_INIT_I2C_0;
	init_i2c \|= IOP13XX_INIT_I2C_1;
	init_i2c \|= IOP13XX_INIT_I2C_2;
	break;
	/* only enable i2c 1 and 2 */
	default:
	init_i2c \|= IOP13XX_INIT_I2C_1;
	init_i2c \|= IOP13XX_INIT_I2C_2;
	}
	}

	if (init_adma == IOP13XX_INIT_ADMA_DEFAULT) {
	init_adma \|= IOP13XX_INIT_ADMA_0;
	init_adma \|= IOP13XX_INIT_ADMA_1;
	init_adma \|= IOP13XX_INIT_ADMA_2;
	}

	plat_idx = 0;
	uart_idx = 0;
	i2c_idx = 0;

	/* uart 1 (if enabled) is ttyS0 */
	if (init_uart & IOP13XX_INIT_UART_1) {
	PRINTK("Adding uart1 to platform device list\n");
	iop13xx_uart1.id = uart_idx++;
	iop13xx_devices[plat_idx++] = &iop13xx_uart1;
	}
	if (init_uart & IOP13XX_INIT_UART_0) {
	PRINTK("Adding uart0 to platform device list\n");
	iop13xx_uart0.id = uart_idx++;
	iop13xx_devices[plat_idx++] = &iop13xx_uart0;
	}

	for(i = 0; i < IQ81340_NUM_I2C; i++) {
	if ((init_i2c & (1 << i)) && IOP13XX_SETUP_DEBUG)
	printk("Adding i2c%d to platform device list\n", i);
	switch(init_i2c & (1 << i)) {
	case IOP13XX_INIT_I2C_0:
	iop13xx_i2c_0_controller.id = i2c_idx++;
	iop13xx_devices[plat_idx++] =
	&iop13xx_i2c_0_controller;
	break;
	case IOP13XX_INIT_I2C_1:
	iop13xx_i2c_1_controller.id = i2c_idx++;
	iop13xx_devices[plat_idx++] =
	&iop13xx_i2c_1_controller;
	break;
	case IOP13XX_INIT_I2C_2:
	iop13xx_i2c_2_controller.id = i2c_idx++;
	iop13xx_devices[plat_idx++] =
	&iop13xx_i2c_2_controller;
	break;
	}
	}

	/* initialize adma channel ids and capabilities */
	adma_idx = 0;
	for (i = 0; i < IQ81340_NUM_ADMA; i++) {
	struct iop_adma_platform_data *plat_data;
	if ((init_adma & (1 << i)) && IOP13XX_SETUP_DEBUG)
	printk(KERN_INFO
	"Adding adma%d to platform device list\n", i);
	switch (init_adma & (1 << i)) {
	case IOP13XX_INIT_ADMA_0:
	iop13xx_adma_0_channel.id = adma_idx++;
	iop13xx_devices[plat_idx++] = &iop13xx_adma_0_channel;
	plat_data = &iop13xx_adma_0_data;
	dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
	dma_cap_set(DMA_XOR, plat_data->cap_mask);
	dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
	dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
	break;
	case IOP13XX_INIT_ADMA_1:
	iop13xx_adma_1_channel.id = adma_idx++;
	iop13xx_devices[plat_idx++] = &iop13xx_adma_1_channel;
	plat_data = &iop13xx_adma_1_data;
	dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
	dma_cap_set(DMA_XOR, plat_data->cap_mask);
	dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
	dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
	break;
	case IOP13XX_INIT_ADMA_2:
	iop13xx_adma_2_channel.id = adma_idx++;
	iop13xx_devices[plat_idx++] = &iop13xx_adma_2_channel;
	plat_data = &iop13xx_adma_2_data;
	dma_cap_set(DMA_MEMCPY, plat_data->cap_mask);
	dma_cap_set(DMA_XOR, plat_data->cap_mask);
	dma_cap_set(DMA_XOR_VAL, plat_data->cap_mask);
	dma_cap_set(DMA_INTERRUPT, plat_data->cap_mask);
	dma_cap_set(DMA_PQ, plat_data->cap_mask);
	dma_cap_set(DMA_PQ_VAL, plat_data->cap_mask);
	break;
	}
	}

	#ifdef CONFIG_MTD_PHYSMAP
	iq8134x_flash_resource.end = iq8134x_flash_resource.start +
	iq8134x_probe_flash_size() - 1;
	if (iq8134x_flash_resource.end > iq8134x_flash_resource.start)
	iop13xx_devices[plat_idx++] = &iq8134x_flash;
	else
	printk(KERN_ERR "%s: Failed to probe flash size\n", __func__);
	#endif

	platform_add_devices(iop13xx_devices, plat_idx);
	}

	static int __init iop13xx_init_uart_setup(char *str)
	{
	if (str) {
	while (*str != '\0') {
	switch(*str) {
	case '0':
	init_uart \|= IOP13XX_INIT_UART_0;
	break;
	case '1':
	init_uart \|= IOP13XX_INIT_UART_1;
	break;
	case ',':
	case '=':
	break;
	default:
	PRINTK("\"iop13xx_init_uart\" malformed"
	" at character: \'%c\'", *str);
	*(str + 1) = '\0';
	init_uart = IOP13XX_INIT_UART_DEFAULT;
	}
	str++;
	}
	}
	return 1;
	}

	static int __init iop13xx_init_i2c_setup(char *str)
	{
	if (str) {
	while (*str != '\0') {
	switch(*str) {
	case '0':
	init_i2c \|= IOP13XX_INIT_I2C_0;
	break;
	case '1':
	init_i2c \|= IOP13XX_INIT_I2C_1;
	break;
	case '2':
	init_i2c \|= IOP13XX_INIT_I2C_2;
	break;
	case ',':
	case '=':
	break;
	default:
	PRINTK("\"iop13xx_init_i2c\" malformed"
	" at character: \'%c\'", *str);
	*(str + 1) = '\0';
	init_i2c = IOP13XX_INIT_I2C_DEFAULT;
	}
	str++;
	}
	}
	return 1;
	}

	static int __init iop13xx_init_adma_setup(char *str)
	{
	if (str) {
	while (*str != '\0') {
	switch (*str) {
	case '0':
	init_adma \|= IOP13XX_INIT_ADMA_0;
	break;
	case '1':
	init_adma \|= IOP13XX_INIT_ADMA_1;
	break;
	case '2':
	init_adma \|= IOP13XX_INIT_ADMA_2;
	break;
	case ',':
	case '=':
	break;
	default:
	PRINTK("\"iop13xx_init_adma\" malformed"
	" at character: \'%c\'", *str);
	*(str + 1) = '\0';
	init_adma = IOP13XX_INIT_ADMA_DEFAULT;
	}
	str++;
	}
	}
	return 1;
	}

	__setup("iop13xx_init_adma", iop13xx_init_adma_setup);
	__setup("iop13xx_init_uart", iop13xx_init_uart_setup);
	__setup("iop13xx_init_i2c", iop13xx_init_i2c_setup);

	void iop13xx_restart(enum reboot_mode mode, const char *cmd)
	{
	/*
	* Reset the internal bus (warning both cores are reset)
	*/
	write_wdtcr(IOP_WDTCR_EN_ARM);
	write_wdtcr(IOP_WDTCR_EN);
	write_wdtsr(IOP13XX_WDTSR_WRITE_EN \| IOP13XX_WDTCR_IB_RESET);
	write_wdtcr(0x1000);
	}