[PATCH] arm: pdu001: Setup pinmux for console UART as early as possible

* [PATCH] arm: pdu001: Setup pinmux for console UART as early as possible
@ 2022-02-21 13:26 Felix Brack
  2022-02-21 13:34 ` Tom Rini
  2022-02-28 20:47 ` Tom Rini
  0 siblings, 2 replies; 5+ messages in thread
From: Felix Brack @ 2022-02-21 13:26 UTC (permalink / raw)
  To: u-boot; +Cc: Felix Brack, Tom Rini

To make sure we get a working console as soon as possible in the SPL the
UART pins require to be configured earlier. This is especially
true for the pins of UART3, since the PDU001 board uses this UART for
the console by default.

Signed-off-by: Felix Brack <fb@ltec.ch>
---

 board/eets/pdu001/board.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/board/eets/pdu001/board.c b/board/eets/pdu001/board.c
index 9f3cfd4f84..4aeb84071b 100644
--- a/board/eets/pdu001/board.c
+++ b/board/eets/pdu001/board.c
@@ -216,6 +216,36 @@ const struct dpll_params *get_dpll_ddr_params(void)
 	return &dpll_ddr;
 }
 
+void set_uart_mux_conf(void)
+{
+	switch (CONFIG_CONS_INDEX) {
+		case 1: {
+			enable_uart0_pin_mux();
+			break;
+		}
+		case 2: {
+			enable_uart1_pin_mux();
+			break;
+		}
+		case 3: {
+			enable_uart2_pin_mux();
+			break;
+		}
+		case 4: {
+			enable_uart3_pin_mux();
+			break;
+		}
+		case 5: {
+			enable_uart4_pin_mux();
+			break;
+		}
+		case 6: {
+			enable_uart5_pin_mux();
+			break;
+		}
+	}
+}
+
 void set_mux_conf_regs(void)
 {
 	/* done first by the ROM and afterwards by the pin controller driver */
-- 
2.25.1


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