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| author | Chris Zankel <czankel@tensilica.com> | 2005-06-23 22:01:33 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 00:05:22 -0700 |
| commit | 7282bee78798294bb1f0211a842cdb9f4872db3d (patch) | |
| tree | 7a659275aaa7f4c741bd24eeb9f827b2f0a926d5 /arch/xtensa/platform-iss/io.c | |
| parent | e344b63eeec7850b5e900e10c8a6c61d083fd3a4 (diff) | |
| download | op-kernel-dev-7282bee78798294bb1f0211a842cdb9f4872db3d.zip op-kernel-dev-7282bee78798294bb1f0211a842cdb9f4872db3d.tar.gz | |
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 8
The attached patches provides part 8 of an architecture implementation
for the Tensilica Xtensa CPU series.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/xtensa/platform-iss/io.c')
| -rw-r--r-- | arch/xtensa/platform-iss/io.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/xtensa/platform-iss/io.c b/arch/xtensa/platform-iss/io.c new file mode 100644 index 0000000..5b161a5 --- /dev/null +++ b/arch/xtensa/platform-iss/io.c @@ -0,0 +1,32 @@ +/* This file isn't really needed right now. */ + +#if 0 + +#include <asm/io.h> +#include <xtensa/simcall.h> + +extern int __simc (); + + +char iss_serial_getc() +{ + char c; + __simc( SYS_read, 0, &c, 1 ); + return c; +} + +void iss_serial_putc( char c ) +{ + __simc( SYS_write, 1, &c, 1 ); +} + +void iss_serial_puts( char *s ) +{ + if( s != 0 && *s != 0 ) + __simc( SYS_write, 1, s, strlen(s) ); +} + +/*#error Need I/O ports to specific hardware!*/ + +#endif + |
