diff options
author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
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committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-16 15:20:36 -0700 |
commit | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch) | |
tree | 0bba044c4ce775e45a88a51686b5d9f90697ea9d /arch/mips/sibyte/cfe/console.c |
Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Diffstat (limited to 'arch/mips/sibyte/cfe/console.c')
-rw-r--r-- | arch/mips/sibyte/cfe/console.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/sibyte/cfe/console.c b/arch/mips/sibyte/cfe/console.c new file mode 100644 index 00000000000..53a5c1eb561 --- /dev/null +++ b/arch/mips/sibyte/cfe/console.c @@ -0,0 +1,80 @@ +#include <linux/config.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/console.h> + +#include <asm/sibyte/board.h> + +#include "cfe_api.h" +#include "cfe_error.h" + +extern int cfe_cons_handle; + +static void cfe_console_write(struct console *cons, const char *str, + unsigned int count) +{ + int i, last, written; + + for (i=0,last=0; i<count; i++) { + if (!str[i]) + /* XXXKW can/should this ever happen? */ + return; + if (str[i] == '\n') { + do { + written = cfe_write(cfe_cons_handle, &str[last], i-last); + if (written < 0) + ; + last += written; + } while (last < i); + while (cfe_write(cfe_cons_handle, "\r", 1) <= 0) + ; + } + } + if (last != count) { + do { + written = cfe_write(cfe_cons_handle, &str[last], count-last); + if (written < 0) + ; + last += written; + } while (last < count); + } + +} + +static int cfe_console_setup(struct console *cons, char *str) +{ + char consdev[32]; + /* XXXKW think about interaction with 'console=' cmdline arg */ + /* If none of the console options are configured, the build will break. */ + if (cfe_getenv("BOOT_CONSOLE", consdev, 32) >= 0) { +#ifdef CONFIG_SIBYTE_SB1250_DUART + if (!strcmp(consdev, "uart0")) { + setleds("u0cn"); + } else if (!strcmp(consdev, "uart1")) { + setleds("u1cn"); +#endif +#ifdef CONFIG_VGA_CONSOLE + } else if (!strcmp(consdev, "pcconsole0")) { + setleds("pccn"); +#endif + } else + return -ENODEV; + } + return 0; +} + +static struct console sb1250_cfe_cons = { + .name = "cfe", + .write = cfe_console_write, + .setup = cfe_console_setup, + .flags = CON_PRINTBUFFER, + .index = -1, +}; + +static int __init sb1250_cfe_console_init(void) +{ + register_console(&sb1250_cfe_cons); + return 0; +} + +console_initcall(sb1250_cfe_console_init); |