Commit dbb98314 authored by Alban Bedel's avatar Alban Bedel Committed by Ralf Baechle

MIPS: zboot: Add support for serial debug using the PROM

As most platforms implement the PROM serial interface prom_putchar()
add a simple bridge to allow re-using this code for zboot.
Signed-off-by: default avatarAlban Bedel <[email protected]>
Cc: Alex Smith <[email protected]>
Cc: Andrew Bresticker <[email protected]>
Cc: Wu Zhangjin <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/11811/Signed-off-by: default avatarRalf Baechle <[email protected]>
parent 25f66096
......@@ -1766,6 +1766,10 @@ config SYS_SUPPORTS_ZBOOT_UART16550
bool
select SYS_SUPPORTS_ZBOOT
config SYS_SUPPORTS_ZBOOT_UART_PROM
bool
select SYS_SUPPORTS_ZBOOT
config CPU_LOONGSON2
bool
select CPU_SUPPORTS_32BIT_KERNEL
......
......@@ -35,6 +35,7 @@ vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
ifdef CONFIG_DEBUG_ZBOOT
vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
endif
......
extern void prom_putchar(unsigned char ch);
void putc(char c)
{
prom_putchar(c);
}
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