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mmc: SDHI: add SoC specific workaround via HW version

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One of Renesas SDHI chip needs workaround to use it, and, we can judge
it based on chip version.  This patch adds very quick-hack workaround
method, since we still don't know how many chips need workaround in
the future.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Kuninori Morimoto
2013-11-20 00:31:13 -08:00
committed by Chris Ball
parent 5d60e50054
commit e3c418f1b2
2 changed files with 12 additions and 0 deletions
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include/linux/mmc/tmio.h
+1
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@@ -33,6 +33,7 @@
#define CTL_SDIO_IRQ_MASK 0x38
#define CTL_DMA_ENABLE 0xd8
#define CTL_RESET_SD 0xe0
#define CTL_VERSION 0xe2
#define CTL_SDIO_REGS 0x100
#define CTL_CLK_AND_WAIT_CTL 0x138
#define CTL_RESET_SDIO 0x1e0