RE: [PATCH 0/2] serial: sh-sci: Fix earlycon on Renesas ARM platforms

From: Chris Brandt
Date: Thu Aug 30 2018 - 14:52:47 EST


Hi Geert,

On Thursday, August 30, 2018, Geert Uytterhoeven wrote:
> Earlycon for RZ/A2 (which is a new platform) will be fixed later in a
> separate patch.

I assume something like this:
(which works for me)


diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index ab3f6e91853d..426241da2e44 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -3414,6 +3414,12 @@ static int __init scif_early_console_setup(struct earlycon_device *device,
{
return early_console_setup(device, PORT_SCIF);
}
+static int __init rzscifa_early_console_setup(struct earlycon_device *device,
+ const char *opt)
+{
+ port_cfg.regtype = SCIx_RZ_SCIFA_REGTYPE;
+ return early_console_setup(device, PORT_SCIF);
+}
static int __init scifa_early_console_setup(struct earlycon_device *device,
const char *opt)
{
@@ -3432,6 +3438,7 @@ static int __init hscif_early_console_setup(struct earlycon_device *device,

OF_EARLYCON_DECLARE(sci, "renesas,sci", sci_early_console_setup);
OF_EARLYCON_DECLARE(scif, "renesas,scif", scif_early_console_setup);
+OF_EARLYCON_DECLARE(scif, "renesas,scif-r7s9210", rzscifa_early_console_setup);
OF_EARLYCON_DECLARE(scifa, "renesas,scifa", scifa_early_console_setup);
OF_EARLYCON_DECLARE(scifb, "renesas,scifb", scifb_early_console_setup);
OF_EARLYCON_DECLARE(hscif, "renesas,hscif", hscif_early_console_setup);


Chris