uartlite0 at 0x1e000c00 is a 16550 compatible uart controller. It's
usually used for debug console and is already configured by u-boot.
Add ZBOOT_UART16550 and related definitions in uart-16550.c for zboot
debug output.
Signed-off-by: Chuanhong Guo <gch981...@gmail.com>
---
arch/mips/boot/compressed/uart-16550.c | 6 ++++++
arch/mips/ralink/Kconfig | 1 +
2 files changed, 7 insertions(+)
diff --git a/arch/mips/boot/compressed/uart-16550.c
b/arch/mips/boot/compressed/uart-16550.c
index aee8d7b8f091..7122df28967a 100644
--- a/arch/mips/boot/compressed/uart-16550.c
+++ b/arch/mips/boot/compressed/uart-16550.c
@@ -35,6 +35,12 @@
#define IOTYPE unsigned int
#endif
+#ifdef CONFIG_SOC_MT7621
+#define UART0_BASE 0x1e000c00
+#define PORT(offset) (CKSEG1ADDR(UART0_BASE) + (4 * offset))
+#define IOTYPE unsigned int
+#endif
+
#ifndef IOTYPE
#define IOTYPE char
#endif
diff --git a/arch/mips/ralink/Kconfig b/arch/mips/ralink/Kconfig
index c10d8b233ab1..4c3c6ef330e3 100644
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -52,6 +52,7 @@ choice
select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_MIPS_CPS
select SYS_SUPPORTS_HIGHMEM
+ select SYS_SUPPORTS_ZBOOT_UART16550
select MIPS_GIC
select COMMON_CLK
select CLKSRC_MIPS_GIC
--
2.26.2
