i.MX: serial: Convert i.MX51 and i.MX6 to use 'imx*_uart_setup_ll'

NOTE: Boards 'karo-tx25' and 'tqma53' can benefit from this
refactoring as well, but they were not converted because of the lack
of i.MX25 or i.MX53 based hardware to test on.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 6 insertions, 12 deletions

diff --git a/arch/arm/boards/eltec-hipercam/lowlevel.c b/arch/arm/boards/eltec-hipercam/lowlevel.c
index 8f11f6796f..21542e49e9 100644
--- a/arch/arm/boards/eltec-hipercam/lowlevel.c
+++ b/arch/arm/boards/eltec-hipercam/lowlevel.c
@@ -24,18 +24,10 @@
 
 static void setup_uart(void)
 {
-	void __iomem *uart_base = (void *)0x02020000;
-
 	writel(0x1, 0x020e0330);
-	writel(0x00000000, uart_base + 0x80);
-	writel(0x00004027, uart_base + 0x84);
-	writel(0x00000704, uart_base + 0x88);
-	writel(0x00000a81, uart_base + 0x90);
-	writel(0x0000002b, uart_base + 0x9c);
-	writel(0x00013880, uart_base + 0xb0);
-	writel(0x0000047f, uart_base + 0xa4);
-	writel(0x0000c34f, uart_base + 0xa8);
-	writel(0x00000001, uart_base + 0x80);
+
+	imx6_uart_setup_ll();
+
 	putc_ll('>');
 }
 
@@ -48,7 +40,9 @@ ENTRY_FUNCTION(start_imx6dl_eltec_hipercam, r0, r1, r2)
 	imx6_cpu_lowlevel_init();
 
 	arm_setup_stack(0x00940000 - 8);
-	setup_uart();
+
+	if (IS_ENABLED(CONFIG_DEBUG_LL))
+		setup_uart();
 
 	fdt = __dtb_imx6dl_eltec_hipercam_start - get_runtime_offset();