diff options
| -rw-r--r-- | board/boundary/nitrogen6x/nitrogen6x.c | 3 | ||||
| -rw-r--r-- | board/freescale/mx6qsabrelite/mx6qsabrelite.c | 3 | ||||
| -rw-r--r-- | board/wandboard/wandboard.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/fsl_esdhc.c | 7 | ||||
| -rw-r--r-- | include/fsl_esdhc.h | 1 |
5 files changed, 16 insertions, 0 deletions
diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c index 229c23783..e5b7795c5 100644 --- a/board/boundary/nitrogen6x/nitrogen6x.c +++ b/board/boundary/nitrogen6x/nitrogen6x.c @@ -304,6 +304,9 @@ int board_mmc_init(bd_t *bis) usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[1].max_bus_width = 4; + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: diff --git a/board/freescale/mx6qsabrelite/mx6qsabrelite.c b/board/freescale/mx6qsabrelite/mx6qsabrelite.c index 5b69a6d2d..0e25613f1 100644 --- a/board/freescale/mx6qsabrelite/mx6qsabrelite.c +++ b/board/freescale/mx6qsabrelite/mx6qsabrelite.c @@ -274,6 +274,9 @@ int board_mmc_init(bd_t *bis) usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + usdhc_cfg[0].max_bus_width = 4; + usdhc_cfg[1].max_bus_width = 4; + for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) { switch (index) { case 0: diff --git a/board/wandboard/wandboard.c b/board/wandboard/wandboard.c index d95189f77..8d071e1fe 100644 --- a/board/wandboard/wandboard.c +++ b/board/wandboard/wandboard.c @@ -105,6 +105,8 @@ int board_mmc_init(bd_t *bis) imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[0].max_bus_width = 4; + return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); } diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c index 54b536316..35f879ea6 100644 --- a/drivers/mmc/fsl_esdhc.c +++ b/drivers/mmc/fsl_esdhc.c @@ -580,6 +580,13 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg) mmc->host_caps = MMC_MODE_4BIT | MMC_MODE_8BIT | MMC_MODE_HC; + if (cfg->max_bus_width > 0) { + if (cfg->max_bus_width < 8) + mmc->host_caps &= ~MMC_MODE_8BIT; + if (cfg->max_bus_width < 4) + mmc->host_caps &= ~MMC_MODE_4BIT; + } + if (caps & ESDHC_HOSTCAPBLT_HSS) mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; diff --git a/include/fsl_esdhc.h b/include/fsl_esdhc.h index 47d2fe4f1..0a1a0715e 100644 --- a/include/fsl_esdhc.h +++ b/include/fsl_esdhc.h @@ -168,6 +168,7 @@ struct fsl_esdhc_cfg { u32 esdhc_base; u32 sdhc_clk; + u8 max_bus_width; }; /* Select the correct accessors depending on endianess */ |