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Commit 2cdf2455 authored by Tomoya MORINAGA's avatar Tomoya MORINAGA Committed by Dan Williams
Browse files

pch_dma: support new device ML7213 IOH 



Support new device OKI SEMICONDUCTOR's ML7213 IOH(Input/Output Hub) which is for
IVI(In-Vehicle Infotainment) use.
The ML7213 is companion chip for Intel Atom E6xx series.
The ML7213 is completely compatible for Intel EG20T PCH.

Signed-off-by: default avatarTomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent bc0fa814

drivers/dma/Kconfig

+7 −2
Original line number Original line Diff line number Diff line
@@ -200,11 +200,16 @@ config PL330_DMA 
	  platform_data for a dma-pl330 device.

	  platform_data for a dma-pl330 device.





config PCH_DMA

config PCH_DMA

	tristate "Topcliff (Intel EG20T) PCH DMA support"

	tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH DMA support"

	depends on PCI && X86

	depends on PCI && X86

	select DMA_ENGINE

	select DMA_ENGINE

	help

	help

	  Enable support for the Topcliff (Intel EG20T) PCH DMA engine.

	  Enable support for Intel EG20T PCH DMA engine.



	  This driver also can be used for OKI SEMICONDUCTOR ML7213 IOH(Input/

	  Output Hub) which is for IVI(In-Vehicle Infotainment) use.

	  ML7213 is companion chip for Intel Atom E6xx series.

	  ML7213 is completely compatible for Intel EG20T PCH.





config IMX_SDMA

config IMX_SDMA

	tristate "i.MX SDMA support"

	tristate "i.MX SDMA support"

drivers/dma/pch_dma.c

+14 −5
Original line number Original line Diff line number Diff line 
/*

/*

 * Topcliff PCH DMA controller driver

 * Topcliff PCH DMA controller driver

 * Copyright (c) 2010 Intel Corporation

 * Copyright (c) 2010 Intel Corporation

 * Copyright (C) 2011 OKI SEMICONDUCTOR CO., LTD.

 *

 *

 * This program is free software; you can redistribute it and/or modify

 * 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

 * it under the terms of the GNU General Public License version 2 as
@@ -921,12 +922,19 @@ static void __devexit pch_dma_remove(struct pci_dev *pdev) 
}

}





/* PCI Device ID of DMA device */

/* PCI Device ID of DMA device */

#define PCI_DEVICE_ID_PCH_DMA_8CH        0x8810

#define PCI_VENDOR_ID_ROHM             0x10DB

#define PCI_DEVICE_ID_PCH_DMA_4CH        0x8815

#define PCI_DEVICE_ID_EG20T_PCH_DMA_8CH        0x8810

#define PCI_DEVICE_ID_EG20T_PCH_DMA_4CH        0x8815

#define PCI_DEVICE_ID_ML7213_DMA1_8CH	0x8026

#define PCI_DEVICE_ID_ML7213_DMA2_8CH	0x802B

#define PCI_DEVICE_ID_ML7213_DMA3_4CH	0x8034





static const struct pci_device_id pch_dma_id_table[] = {

static const struct pci_device_id pch_dma_id_table[] = {

	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_8CH), 8 },

	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_8CH), 8 },

	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_4CH), 4 },

	{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_4CH), 4 },

	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA1_8CH), 8}, /* UART Video */

	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA2_8CH), 8}, /* PCMIF SPI */

	{ PCI_VDEVICE(ROHM, PCI_DEVICE_ID_ML7213_DMA3_4CH), 4}, /* FPGA */

	{ 0, },

	{ 0, },

};

};
@@ -954,6 +962,7 @@ static void __exit pch_dma_exit(void) 
module_init(pch_dma_init);

module_init(pch_dma_init);

module_exit(pch_dma_exit);

module_exit(pch_dma_exit);





MODULE_DESCRIPTION("Topcliff PCH DMA controller driver");

MODULE_DESCRIPTION("Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH "

		   "DMA controller driver");

MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");

MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");

MODULE_LICENSE("GPL v2");
 
MODULE_LICENSE("GPL v2");