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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>
hifive-unleashed-5.1
Mike Frysinger 2008-10-10 17:37:52 +08:00 committed by Bryan Wu
parent 3c08f1d122
commit a88c71e436
1 changed files with 12 additions and 0 deletions
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12
arch/blackfin/kernel/early_printk.c
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@ -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