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From 85027d94696464269ae77702ead788a14fc8305f Mon Sep 17 00:00:00 2001
From: Alexander Filippov <a.filippov@yadro.com>
Date: Wed, 28 Mar 2018 17:46:28 +0300
Subject: [PATCH] vesnin: remap aspeed-uart
Remaps UART2 <-> UART3
Signed-off-by: Alexander Filippov <a.filippov@yadro.com>
---
drivers/misc/aspeed-lpc-ctrl.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/misc/aspeed-lpc-ctrl.c b/drivers/misc/aspeed-lpc-ctrl.c
index 332210e06e98..ce5138474130 100644
--- a/drivers/misc/aspeed-lpc-ctrl.c
+++ b/drivers/misc/aspeed-lpc-ctrl.c
@@ -27,6 +27,7 @@
#define HICR7 0x8
#define HICR8 0xc
+#define HICRA 0x1c
struct aspeed_lpc_ctrl {
struct miscdevice miscdev;
@@ -274,6 +275,13 @@ static int aspeed_lpc_ctrl_probe(struct platform_device *pdev)
goto err;
}
+ /* Switch UART2 to IO3 and UART3 to IO2 */
+ rc = regmap_write(lpc_ctrl->regmap, HICRA, 0x00C80108);
+ if (rc) {
+ dev_err(dev, "Unable to switch UART 2<->3\n");
+ goto err;
+ }
+
return 0;
err:
--
2.20.1
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