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colibri_t20: fix reset out pin

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Make sure SODIMM pin 87 nRESET_OUT is released properly by explicitly
setting its pin mux function to GMI. This solves some issues with e.g.
USB not being fully operational on carrier boards with USB hubs
connected to reset if U-Boot got loaded via recovery mode aka rcm.

Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Marcel Ziswiler 2015-08-06 00:47:11 +02:00 committed by Tom Warren
parent 36a01bdd80
commit b7b2067062
1 changed files with 3 additions and 0 deletions
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board/toradex/colibri_t20/colibri_t20.c
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@ -51,6 +51,9 @@ int arch_misc_init(void)
return err;
}
/* make sure SODIMM pin 87 nRESET_OUT is released properly */
pinmux_set_func(PMUX_PINGRP_ATA, PMUX_FUNC_GMI);
if (readl(NV_PA_BASE_SRAM + NVBOOTINFOTABLE_BOOTTYPE) ==
NVBOOTTYPE_RECOVERY)
printf("USB recovery mode\n");