#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);