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Commit d2dd8b1f authored by Dan Williams's avatar Dan Williams Committed by Russell King
Browse files

[ARM] 4342/2: iop13xx: add resource definitions for the tpmi units 



The tpmi units interface with the SAS controller on iop348.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e90ddd81

arch/arm/mach-iop13xx/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -7,5 +7,6 @@ obj-$(CONFIG_ARCH_IOP13XX) += setup.o 
obj-$(CONFIG_ARCH_IOP13XX) += irq.o

obj-$(CONFIG_ARCH_IOP13XX) += pci.o

obj-$(CONFIG_ARCH_IOP13XX) += io.o

obj-$(CONFIG_ARCH_IOP13XX) += tpmi.o

obj-$(CONFIG_MACH_IQ81340SC) += iq81340sc.o

obj-$(CONFIG_MACH_IQ81340MC) += iq81340mc.o

arch/arm/mach-iop13xx/iq81340mc.c

+1 −0
Original line number Diff line number Diff line
@@ -75,6 +75,7 @@ static void __init iq81340mc_init(void) 
{

	iop13xx_platform_init();

	iq81340mc_pci_init();

	iop13xx_add_tpmi_devices();

}



static void __init iq81340mc_timer_init(void)

arch/arm/mach-iop13xx/iq81340sc.c

+1 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ static void __init iq81340sc_init(void) 
{

	iop13xx_platform_init();

	iq81340sc_pci_init();

	iop13xx_add_tpmi_devices();

}



static void __init iq81340sc_timer_init(void)

arch/arm/mach-iop13xx/tpmi.c

0 → 100644
+234 −0
Original line number Diff line number Diff line 
/*

 * iop13xx tpmi device resources

 * 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/kernel.h>

#include <linux/init.h>

#include <linux/platform_device.h>

#include <linux/dma-mapping.h>

#include <asm/io.h>

#include <asm/irq.h>

#include <asm/sizes.h>



/* assumes CONTROLLER_ONLY# is never asserted in the ESSR register */

#define IOP13XX_TPMI_MMR(dev) 	IOP13XX_REG_ADDR32_PHYS(0x48000 + (dev << 12))

#define IOP13XX_TPMI_MEM(dev) 	IOP13XX_REG_ADDR32_PHYS(0x60000 + (dev << 13))

#define IOP13XX_TPMI_CTRL(dev)	IOP13XX_REG_ADDR32_PHYS(0x50000 + (dev << 10))

#define IOP13XX_TPMI_MMR_SIZE	    (SZ_4K - 1)

#define IOP13XX_TPMI_MEM_SIZE	    (255)

#define IOP13XX_TPMI_MEM_CTRL	    (SZ_1K - 1)

#define IOP13XX_TPMI_RESOURCE_MMR  0

#define IOP13XX_TPMI_RESOURCE_MEM  1

#define IOP13XX_TPMI_RESOURCE_CTRL 2

#define IOP13XX_TPMI_RESOURCE_IRQ  3



static struct resource iop13xx_tpmi_0_resources[] = {

	[IOP13XX_TPMI_RESOURCE_MMR] = {

		.start = IOP13XX_TPMI_MMR(4), /* tpmi0 starts at dev == 4 */

		.end = IOP13XX_TPMI_MMR(4) + IOP13XX_TPMI_MMR_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_MEM] = {

		.start = IOP13XX_TPMI_MEM(0),

		.end = IOP13XX_TPMI_MEM(0) + IOP13XX_TPMI_MEM_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_CTRL] = {

		.start = IOP13XX_TPMI_CTRL(0),

		.end = IOP13XX_TPMI_CTRL(0) + IOP13XX_TPMI_MEM_CTRL,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_IRQ] = {

		.start = IRQ_IOP13XX_TPMI0_OUT,

		.end = IRQ_IOP13XX_TPMI0_OUT,

		.flags = IORESOURCE_IRQ

	}

};



static struct resource iop13xx_tpmi_1_resources[] = {

	[IOP13XX_TPMI_RESOURCE_MMR] = {

		.start = IOP13XX_TPMI_MMR(1),

		.end = IOP13XX_TPMI_MMR(1) + IOP13XX_TPMI_MMR_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_MEM] = {

		.start = IOP13XX_TPMI_MEM(1),

		.end = IOP13XX_TPMI_MEM(1) + IOP13XX_TPMI_MEM_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_CTRL] = {

		.start = IOP13XX_TPMI_CTRL(1),

		.end = IOP13XX_TPMI_CTRL(1) + IOP13XX_TPMI_MEM_CTRL,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_IRQ] = {

		.start = IRQ_IOP13XX_TPMI1_OUT,

		.end = IRQ_IOP13XX_TPMI1_OUT,

		.flags = IORESOURCE_IRQ

	}

};



static struct resource iop13xx_tpmi_2_resources[] = {

	[IOP13XX_TPMI_RESOURCE_MMR] = {

		.start = IOP13XX_TPMI_MMR(2),

		.end = IOP13XX_TPMI_MMR(2) + IOP13XX_TPMI_MMR_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_MEM] = {

		.start = IOP13XX_TPMI_MEM(2),

		.end = IOP13XX_TPMI_MEM(2) + IOP13XX_TPMI_MEM_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_CTRL] = {

		.start = IOP13XX_TPMI_CTRL(2),

		.end = IOP13XX_TPMI_CTRL(2) + IOP13XX_TPMI_MEM_CTRL,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_IRQ] = {

		.start = IRQ_IOP13XX_TPMI2_OUT,

		.end = IRQ_IOP13XX_TPMI2_OUT,

		.flags = IORESOURCE_IRQ

	}

};



static struct resource iop13xx_tpmi_3_resources[] = {

	[IOP13XX_TPMI_RESOURCE_MMR] = {

		.start = IOP13XX_TPMI_MMR(3),

		.end = IOP13XX_TPMI_MMR(3) + IOP13XX_TPMI_MMR_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_MEM] = {

		.start = IOP13XX_TPMI_MEM(3),

		.end = IOP13XX_TPMI_MEM(3) + IOP13XX_TPMI_MEM_SIZE,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_CTRL] = {

		.start = IOP13XX_TPMI_CTRL(3),

		.end = IOP13XX_TPMI_CTRL(3) + IOP13XX_TPMI_MEM_CTRL,

		.flags = IORESOURCE_MEM,

	},

	[IOP13XX_TPMI_RESOURCE_IRQ] = {

		.start = IRQ_IOP13XX_TPMI3_OUT,

		.end = IRQ_IOP13XX_TPMI3_OUT,

		.flags = IORESOURCE_IRQ

	}

};



u64 iop13xx_tpmi_mask = DMA_64BIT_MASK;

static struct platform_device iop13xx_tpmi_0_device = {

	.name = "iop-tpmi",

	.id = 0,

	.num_resources = 4,

	.resource = iop13xx_tpmi_0_resources,

	.dev = {

		.dma_mask          = &iop13xx_tpmi_mask,

		.coherent_dma_mask = DMA_64BIT_MASK,

	},

};



static struct platform_device iop13xx_tpmi_1_device = {

	.name = "iop-tpmi",

	.id = 1,

	.num_resources = 4,

	.resource = iop13xx_tpmi_1_resources,

	.dev = {

		.dma_mask          = &iop13xx_tpmi_mask,

		.coherent_dma_mask = DMA_64BIT_MASK,

	},

};



static struct platform_device iop13xx_tpmi_2_device = {

	.name = "iop-tpmi",

	.id = 2,

	.num_resources = 4,

	.resource = iop13xx_tpmi_2_resources,

	.dev = {

		.dma_mask          = &iop13xx_tpmi_mask,

		.coherent_dma_mask = DMA_64BIT_MASK,

	},

};



static struct platform_device iop13xx_tpmi_3_device = {

	.name = "iop-tpmi",

	.id = 3,

	.num_resources = 4,

	.resource = iop13xx_tpmi_3_resources,

	.dev = {

		.dma_mask          = &iop13xx_tpmi_mask,

		.coherent_dma_mask = DMA_64BIT_MASK,

	},

};



__init void iop13xx_add_tpmi_devices(void)

{

	unsigned short device_id;



	/* tpmi's not present on iop341 or iop342 */

	if (__raw_readl(IOP13XX_ESSR0) & IOP13XX_INTERFACE_SEL_PCIX)

		/* ATUE must be present */

		device_id = __raw_readw(IOP13XX_ATUE_DID);

	else

		/* ATUX must be present */

		device_id = __raw_readw(IOP13XX_ATUX_DID);



	switch (device_id) {

	/* iop34[1|2] 0-tpmi */

	case 0x3380:

	case 0x3384:

	case 0x3388:

	case 0x338c:

	case 0x3382:

	case 0x3386:

	case 0x338a:

	case 0x338e:

		return;

	/* iop348 1-tpmi */

	case 0x3310:

	case 0x3312:

	case 0x3314:

	case 0x3318:

	case 0x331a:

	case 0x331c:

	case 0x33c0:

	case 0x33c2:

	case 0x33c4:

	case 0x33c8:

	case 0x33ca:

	case 0x33cc:

	case 0x33b0:

	case 0x33b2:

	case 0x33b4:

	case 0x33b8:

	case 0x33ba:

	case 0x33bc:

	case 0x3320:

	case 0x3322:

	case 0x3324:

	case 0x3328:

	case 0x332a:

	case 0x332c:

		platform_device_register(&iop13xx_tpmi_0_device);

		return;

	default:

		platform_device_register(&iop13xx_tpmi_0_device);

		platform_device_register(&iop13xx_tpmi_1_device);

		platform_device_register(&iop13xx_tpmi_2_device);

		platform_device_register(&iop13xx_tpmi_3_device);

		return;

	}

}

include/asm-arm/arch-iop13xx/iop13xx.h

+1 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ extern u32 iop13xx_atue_pmmr_offset; 
void iop13xx_init_irq(void);

void iop13xx_map_io(void);

void iop13xx_platform_init(void);

void iop13xx_add_tpmi_devices(void);

void iop13xx_init_irq(void);



/* CPUID CP6 R0 Page 0 */