diff mbox

[U-Boot,v3,14/16] colibri_t20: fix reset out pin

Message ID 6732c8c13d78164ba325f6df044494f015d8b78b.1438813726.git.marcel.ziswiler@toradex.com
State Accepted
Delegated to: Tom Warren
Headers show

Commit Message

Marcel Ziswiler Aug. 5, 2015, 10:47 p.m. UTC 
From: Marcel Ziswiler <marcel.ziswiler@toradex.com>

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>
---
 board/toradex/colibri_t20/colibri_t20.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/board/toradex/colibri_t20/colibri_t20.c b/board/toradex/colibri_t20/colibri_t20.c
index 42b293d..83e1ddc 100644
--- a/board/toradex/colibri_t20/colibri_t20.c
+++ b/board/toradex/colibri_t20/colibri_t20.c
@@ -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");