summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--board/boundary/nitrogen6x/nitrogen6x.c3
-rw-r--r--board/freescale/mx6qsabrelite/mx6qsabrelite.c3
-rw-r--r--board/wandboard/wandboard.c2
-rw-r--r--drivers/mmc/fsl_esdhc.c7
-rw-r--r--include/fsl_esdhc.h1
5 files changed, 16 insertions, 0 deletions
diff --git a/board/boundary/nitrogen6x/nitrogen6x.c b/board/boundary/nitrogen6x/nitrogen6x.c
index 229c237..e5b7795 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 5b69a6d..0e25613 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 d95189f..8d071e1 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 54b5363..35f879e 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 47d2fe4..0a1a071 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 */