diff options
| author | James Hogan <james.hogan@imgtec.com> | 2015-01-29 11:14:13 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-03-31 12:04:12 +0200 |
| commit | e934945db7625716f9cc469e31fc5da8666c8024 (patch) | |
| tree | ec3381a503bb92b2d40ee656e8b9b4b222add244 /arch/mips/include/asm/cdmm.h | |
| parent | 4cebec609aea6dff23e67a42b6516d852fa87d07 (diff) | |
MIPS, ttyFDC: Add early FDC console support
Add support for early console of MIPS Fast Debug Channel (FDC) on
channel 1 with a call very early from the MIPS setup_arch().
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9145/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/cdmm.h')
| -rw-r--r-- | arch/mips/include/asm/cdmm.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h index b7d520f28d30..16e22ce9719f 100644 --- a/arch/mips/include/asm/cdmm.h +++ b/arch/mips/include/asm/cdmm.h @@ -84,4 +84,15 @@ void mips_cdmm_driver_unregister(struct mips_cdmm_driver *); module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \ mips_cdmm_driver_unregister) +/* drivers/tty/mips_ejtag_fdc.c */ + +#ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON +int setup_early_fdc_console(void); +#else +static inline int setup_early_fdc_console(void) +{ + return -ENODEV; +} +#endif + #endif /* __ASM_CDMM_H */ |