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Commit a88c71e4 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

Blackfin arch: emulate a TTY over the EMUDAT/JTAG interface 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 3c08f1d1

arch/blackfin/kernel/early_printk.c

+12 −0
Original line number Diff line number Diff line
@@ -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