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authorMike Frysinger <vapier.adi@gmail.com>2008-10-10 05:37:52 -0400
committerBryan Wu <cooloney@kernel.org>2008-10-10 05:37:52 -0400
commita88c71e4367aada2065c5e247477c891d2ca952f (patch)
treed0c12413d55ac060aea8117eb0598525d0f93139
parent3c08f1d122627c9559fb03a11f52ea37f960b61e (diff)
Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
-rw-r--r--arch/blackfin/kernel/early_printk.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/blackfin/kernel/early_printk.c b/arch/blackfin/kernel/early_printk.c
index 60f67f90fe35..1f4e3d2e0901 100644
--- a/arch/blackfin/kernel/early_printk.c
+++ b/arch/blackfin/kernel/early_printk.c
@@ -35,6 +35,9 @@
35extern struct console *bfin_earlyserial_init(unsigned int port, 35extern struct console *bfin_earlyserial_init(unsigned int port,
36 unsigned int cflag); 36 unsigned int cflag);
37#endif 37#endif
38#ifdef CONFIG_BFIN_JTAG_COMM
39extern struct console *bfin_jc_early_init(void);
40#endif
38 41
39static struct console *early_console; 42static struct console *early_console;
40 43
@@ -142,6 +145,15 @@ int __init setup_early_printk(char *buf)
142 early_console = earlyserial_init(buf); 145 early_console = earlyserial_init(buf);
143 } 146 }
144#endif 147#endif
148
149#ifdef CONFIG_BFIN_JTAG_COMM
150 /* Check for Blackfin JTAG */
151 if (!strncmp(buf, "jtag", 4)) {
152 buf += 4;
153 early_console = bfin_jc_early_init();
154 }
155#endif
156
145#ifdef CONFIG_FB 157#ifdef CONFIG_FB
146 /* TODO: add framebuffer console support */ 158 /* TODO: add framebuffer console support */
147#endif 159#endif