From patchwork Wed Feb 12 04:54:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lokesh Vutla X-Patchwork-Id: 236167 List-Id: U-Boot discussion From: lokeshvutla at ti.com (Lokesh Vutla) Date: Wed, 12 Feb 2020 10:24:30 +0530 Subject: [PATCH] armV7R: K3: am654: Activate early console functionality Message-ID: <20200212045430.26933-1-lokeshvutla@ti.com> From: Andreas Dannenberg Activate early console functionality on AM65x devices to allow for early diagnostic messages until the main console is ready to get activated. Signed-off-by: Andreas Dannenberg Signed-off-by: Lokesh Vutla --- arch/arm/mach-k3/am6_init.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/mach-k3/am6_init.c b/arch/arm/mach-k3/am6_init.c index 8d107b870b..63cd7e0458 100644 --- a/arch/arm/mach-k3/am6_init.c +++ b/arch/arm/mach-k3/am6_init.c @@ -109,6 +109,16 @@ void board_init_f(ulong dummy) /* Init DM early in-order to invoke system controller */ spl_early_init(); +#ifdef CONFIG_K3_EARLY_CONS + /* + * Allow establishing an early console as required for example when + * doing a UART-based boot. Note that this console may not "survive" + * through a SYSFW PM-init step and will need a re-init in some way + * due to changing module clock frequencies. + */ + early_console_init(); +#endif + #ifdef CONFIG_K3_LOAD_SYSFW /* * Process pinctrl for the serial0 a.k.a. WKUP_UART0 module and continue