diff options
| author | Rob Herring <r.herring@freescale.com> | 2010-07-30 14:57:09 -0500 |
|---|---|---|
| committer | Dinh Nguyen <Dinh.Nguyen@freescale.com> | 2010-09-01 11:04:13 -0500 |
| commit | 27663597dfe1aa5336db166882a41069249fd777 (patch) | |
| tree | 64aa2102fa40a497b053a983fe3199b909be51e6 /include | |
| parent | 6f6f1f967bfbefaca38e77e2d3b17fc9fd83a330 (diff) | |
ENGR00125052-1 Common codes changes when enable the eMMC44 DDR
The modifications of linux kernel common codes
when enable the eMMC44 DDR mode
Signed-off-by: Richard Zhu <r65037@freescale.com>
Conflicts:
drivers/mmc/core/mmc.c
include/linux/mmc/host.h
include/linux/mmc/mmc.h
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/mmc/card.h | 2 | ||||
| -rw-r--r-- | include/linux/mmc/host.h | 2 | ||||
| -rw-r--r-- | include/linux/mmc/mmc.h | 3 |
3 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index d02d2c6e0cfe..abaab31fe845 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -44,6 +44,8 @@ struct mmc_ext_csd { unsigned int sa_timeout; /* Units: 100ns */ unsigned int hs_max_dtr; unsigned int sectors; + unsigned int card_type; +#define MMC_DDR_MODE_MASK (0x3<<2) }; struct sd_scr { diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index f65913c9f5a4..e77d7541da3c 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -44,6 +44,7 @@ struct mmc_ios { #define MMC_BUS_WIDTH_1 0 #define MMC_BUS_WIDTH_4 2 #define MMC_BUS_WIDTH_8 3 +#define MMC_BUS_WIDTH_DDR 8 unsigned char timing; /* timing specification used */ @@ -155,6 +156,7 @@ struct mmc_host { #define MMC_CAP_DISABLE (1 << 7) /* Can the host be disabled */ #define MMC_CAP_NONREMOVABLE (1 << 8) /* Nonremovable e.g. eMMC */ #define MMC_CAP_WAIT_WHILE_BUSY (1 << 9) /* Waits while card is busy */ +#define MMC_CAP_DATA_DDR (1 << 10) /* Can the host do ddr transfers */ mmc_pm_flag_t pm_caps; /* supported pm features */ diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h index 8a49cbf0376d..4d54f3d1ea27 100644 --- a/include/linux/mmc/mmc.h +++ b/include/linux/mmc/mmc.h @@ -269,10 +269,13 @@ struct _mmc_csd { #define EXT_CSD_CARD_TYPE_26 (1<<0) /* Card can run at 26MHz */ #define EXT_CSD_CARD_TYPE_52 (1<<1) /* Card can run at 52MHz */ #define EXT_CSD_CARD_TYPE_MASK 0x3 /* Mask out reserved and DDR bits */ +#define EXT_CSD_CARD_TYPE_DDR_52 (1<<2) /* Card can run at DDR 52MHz */ #define EXT_CSD_BUS_WIDTH_1 0 /* Card is in 1 bit mode */ #define EXT_CSD_BUS_WIDTH_4 1 /* Card is in 4 bit mode */ #define EXT_CSD_BUS_WIDTH_8 2 /* Card is in 8 bit mode */ +#define EXT_CSD_BUS_WIDTH_4_DDR 5 /* Card is in 4 bit ddr mode */ +#define EXT_CSD_BUS_WIDTH_8_DDR 6 /* Card is in 8 bit ddr mode */ /* * MMC_SWITCH access modes |