UART is disabled by default on TI platforms and must be enabled
on some platforms via the MDR register.
Do this as part of uart_init for 8250 driver
Signed-off-by: Nikhil Devshatwar <nikhil...@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvu...@ti.com>
---
inmates/lib/uart-8250.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/inmates/lib/uart-8250.c b/inmates/lib/uart-8250.c
index fb7940d2..42b0979c 100644
--- a/inmates/lib/uart-8250.c
+++ b/inmates/lib/uart-8250.c
@@ -49,6 +49,7 @@
#define UART_LCR_DLAB 0x80
#define UART_LSR 0x5
#define UART_LSR_THRE 0x20
+#define UART_MDR1 0x8
static void reg_out_mmio32(struct uart_chip *chip, unsigned int reg, u32 value)
{
@@ -67,6 +68,9 @@ static void uart_8250_init(struct uart_chip *chip)
chip->reg_out(chip, UART_DLL, chip->divider);
chip->reg_out(chip, UART_DLM, 0);
chip->reg_out(chip, UART_LCR, UART_LCR_8N1);
+#ifdef CONFIG_TI_16550_MDR_QUIRK
+ chip->reg_out(chip, UART_MDR1, 0);
+#endif
}
}
--
2.17.1
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