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mmc: Support of PCI mode in the dw_mmc driver

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Support of PCI mode for the dw_mmc driver. This Patch adds the
support for the scenario where the Synopsys Designware IP
is present on the PCI bus. The patch adds the minimal modifications
necessary for the driver to work on PCI platform. Also added separate
files for PCI and PLATFORM modes of operation.

Signed-off-by: Shashidhar Hiremath <shashidharh@vayavyalabs.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Shashidhar Hiremath
2012-01-13 16:04:57 +05:30
committed by Chris Ball
parent 356ac2cf06
commit 62ca8034d9
7 changed files with 385 additions and 104 deletions
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drivers/mmc/host/Kconfig
+25
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@@ -533,6 +533,31 @@ config MMC_DW_IDMAC
Designware Mobile Storage IP block. This disables the external DMA
interface.
config MMC_DW_PLTFM
tristate "Synopsys Designware MCI Support as platform device"
depends on MMC_DW
default y
help
This selects the common helper functions support for Host Controller
Interface based platform driver. Please select this option if the IP
is present as a platform device. This is the common interface for the
Synopsys Designware IP.
If you have a controller with this interface, say Y or M here.
If unsure, say Y.
config MMC_DW_PCI
tristate "Synopsys Designware MCI support on PCI bus"
depends on MMC_DW && PCI
help
This selects the PCI bus for the Synopsys Designware Mobile Storage IP.
Select this option if the IP is present on PCI platform.
If you have a controller with this interface, say Y or M here.
If unsure, say N.
config MMC_SH_MMCIF
tristate "SuperH Internal MMCIF support"
depends on MMC_BLOCK && (SUPERH || ARCH_SHMOBILE)