X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fserial%2Fns16550.c;h=8e7052dda72046308a55783c84e52c342876c78c;hb=64973023df4f31e72ecc56005f123da5841f7066;hp=fbc37b27e8ea7e4ccb5518a227b7d8d5f6ff6a87;hpb=6e51ca41002c5e92f7fec088320e340102dd3f5b;p=u-boot

diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index fbc37b27e8..8e7052dda7 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -30,6 +30,17 @@
 #define serial_in(y)		readb(y)
 #endif
 
+#if defined(CONFIG_SOC_KEYSTONE)
+#define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE   0
+#define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0))
+#undef UART_MCRVAL
+#ifdef CONFIG_SERIAL_HW_FLOW_CONTROL
+#define UART_MCRVAL             (UART_MCR_RTS | UART_MCR_AFE)
+#else
+#define UART_MCRVAL             (UART_MCR_RTS)
+#endif
+#endif
+
 #ifndef CONFIG_SYS_NS16550_IER
 #define CONFIG_SYS_NS16550_IER  0x00
 #endif /* CONFIG_SYS_NS16550_IER */
@@ -77,6 +88,9 @@ void NS16550_init(NS16550_t com_port, int baud_divisor)
 	/* /16 is proper to hit 115200 with 48MHz */
 	serial_out(0, &com_port->mdr1);
 #endif /* CONFIG_OMAP */
+#if defined(CONFIG_SOC_KEYSTONE)
+	serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC);
+#endif
 }
 
 #ifndef CONFIG_NS16550_MIN_FUNCTIONS