diff options
| author | Jaehoon Chung <jh80.chung@samsung.com> | 2011-10-17 14:36:23 +0400 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2011-10-27 00:32:25 +0400 |
| commit | 4e0a5adf46ee7810af2e1b7e4e8c2a298652618e (patch) | |
| tree | 64b60adcedd341a02a8f150ce7257e2b0eb40e0c /include | |
| parent | c43fd7746698a10aa6435d62ec28f977dd6246cc (diff) | |
| download | linux-4e0a5adf46ee7810af2e1b7e4e8c2a298652618e.tar.xz | |
mmc: dw_mmc: modify DATA register offset
In dw_mmc 2.40a spec, Data register's offset is changed.
Before we used Data register offset 0x100. but if somebody uses a
2.40a controller, we must use 0x200 for Data register.
This patch adds a version-id checking point and uses SDMMC_DATA(x)
instead of SDMMC_DATA. It assumes 2.40a is the latest version.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/dw_mmc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 6b46819705d1..6dc9b80568a0 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -72,6 +72,8 @@ struct mmc_data; * rate and timeout calculations. * @current_speed: Configured rate of the controller. * @num_slots: Number of slots available. + * @verid: Denote Version ID. + * @data_offset: Set the offset of DATA register according to VERID. * @pdev: Platform device associated with the MMC controller. * @pdata: Platform data associated with the MMC controller. * @slot: Slots sharing this MMC controller. @@ -147,6 +149,8 @@ struct dw_mci { u32 current_speed; u32 num_slots; u32 fifoth_val; + u16 verid; + u16 data_offset; struct platform_device *pdev; struct dw_mci_board *pdata; struct dw_mci_slot *slot[MAX_MCI_SLOTS]; |