From a88c71e4367aada2065c5e247477c891d2ca952f Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Fri, 10 Oct 2008 17:37:52 +0800 Subject: Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- arch/blackfin/kernel/early_printk.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/blackfin') diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c index 60f67f90fe3..1f4e3d2e090 100644 --- a/arch/blackfin/kernel/early_printk.c +++ b/arch/blackfin/kernel/early_printk.c @@ -35,6 +35,9 @@ extern struct console *bfin_earlyserial_init(unsigned int port, unsigned int cflag); #endif +#ifdef CONFIG_BFIN_JTAG_COMM +extern struct console *bfin_jc_early_init(void); +#endif static struct console *early_console; @@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf) early_console = earlyserial_init(buf); } #endif + +#ifdef CONFIG_BFIN_JTAG_COMM + /* Check for Blackfin JTAG */ + if (!strncmp(buf, "jtag", 4)) { + buf += 4; + early_console = bfin_jc_early_init(); + } +#endif + #ifdef CONFIG_FB /* TODO: add framebuffer console support */ #endif -- cgit v1.2.3