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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: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
hifive-unleashed-5.1
Tomoya MORINAGA 2011-01-05 17:43:52 +09:00 committed by Dan Williams
parent bc0fa81473
commit 2cdf2455a6
2 changed files with 21 additions and 7 deletions
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9
drivers/dma/Kconfig
View File

@ -200,11 +200,16 @@ config PL330_DMA
platform_data for a dma-pl330 device.
config PCH_DMA
tristate "Topcliff (Intel EG20T) PCH DMA support"
tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7213 IOH DMA support"
depends on PCI && X86
select DMA_ENGINE
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
tristate "i.MX SDMA support"

19
drivers/dma/pch_dma.c
View File

@ -1,6 +1,7 @@
/*
* Topcliff PCH DMA controller driver
* Copyright (c) 2010 Intel Corporation
* Copyright (C) 2011 OKI SEMICONDUCTOR CO., LTD.
*
* 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
@ -921,12 +922,19 @@ static void __devexit pch_dma_remove(struct pci_dev *pdev)
}
/* PCI Device ID of DMA device */
#define PCI_DEVICE_ID_PCH_DMA_8CH 0x8810
#define PCI_DEVICE_ID_PCH_DMA_4CH 0x8815
#define PCI_VENDOR_ID_ROHM 0x10DB
#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[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_8CH), 8 },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PCH_DMA_4CH), 4 },
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_EG20T_PCH_DMA_8CH), 8 },
{ 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, },
};
@ -954,6 +962,7 @@ static void __exit pch_dma_exit(void)
module_init(pch_dma_init);
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_LICENSE("GPL v2");