[U-Boot] [PATCH] board: am335x/mux: configure the pins for 8-bit data transfer on MMC1

This is required for proper operation of the 8-bit data transfers. This fixes transient errors seen on BeagleBone Black.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com --- board/ti/am335x/mux.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/board/ti/am335x/mux.c b/board/ti/am335x/mux.c index 37a599768b..6e1ede3933 100644 --- a/board/ti/am335x/mux.c +++ b/board/ti/am335x/mux.c @@ -93,6 +93,10 @@ static struct module_pin_mux mmc0_pin_mux_sk_evm[] = { };
static struct module_pin_mux mmc1_pin_mux[] = { + {OFFSET(gpmc_ad7), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT7 */ + {OFFSET(gpmc_ad6), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT6 */ + {OFFSET(gpmc_ad5), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT5 */ + {OFFSET(gpmc_ad4), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT4 */ {OFFSET(gpmc_ad3), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT3 */ {OFFSET(gpmc_ad2), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT2 */ {OFFSET(gpmc_ad1), (MODE(1) | RXACTIVE | PULLUP_EN)}, /* MMC1_DAT1 */

On Thu, May 23, 2019 at 02:07:23PM +0200, Jean-Jacques Hiblot wrote:
This is required for proper operation of the 8-bit data transfers. This fixes transient errors seen on BeagleBone Black.
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com
Applied to u-boot/master, thanks!
participants (2)
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Jean-Jacques Hiblot
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Tom Rini