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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-10-10 11:37:52 +0200 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-10-10 11:37:52 +0200 |
| commit | a88c71e4367aada2065c5e247477c891d2ca952f (patch) | |
| tree | d0c12413d55ac060aea8117eb0598525d0f93139 /arch/blackfin | |
| parent | Blackfin arch: have is_user_addr_valid() check for overflows (like when addre... (diff) | |
| download | linux-a88c71e4367aada2065c5e247477c891d2ca952f.tar.xz linux-a88c71e4367aada2065c5e247477c891d2ca952f.zip | |
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>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/kernel/early_printk.c | 12 |
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 @@ 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 |