MIPS: ath25: add UART support

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Cc: Linux MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/8242/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/arch/mips/ath25/ar5312.c b/arch/mips/ath25/ar5312.c
index b99a02a9e20e..398d4fd4dd2d 100644
--- a/arch/mips/ath25/ar5312.c
+++ b/arch/mips/ath25/ar5312.c
@@ -265,3 +265,11 @@ void __init ar5312_plat_mem_setup(void)
 
         _machine_restart = ar5312_restart;
 }
+
+void __init ar5312_arch_init(void)
+{
+        unsigned irq = irq_create_mapping(ar5312_misc_irq_domain,
+                                          AR5312_MISC_IRQ_UART0);
+
+        ath25_serial_setup(AR5312_UART0_BASE, irq, ar5312_sys_frequency());
+}