patch-2.4.22 linux-2.4.22/arch/mips/sibyte/cfe/console.c
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- Lines: 88
- Date:
2003-08-25 04:44:40.000000000 -0700
- Orig file:
linux-2.4.21/arch/mips/sibyte/cfe/console.c
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.21/arch/mips/sibyte/cfe/console.c linux-2.4.22/arch/mips/sibyte/cfe/console.c
@@ -0,0 +1,87 @@
+#include <linux/init.h>
+#include <linux/major.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 kdev_t cfe_consdev;
+
+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 kdev_t cfe_console_device(struct console *c)
+{
+ return cfe_consdev;
+}
+
+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");
+ cfe_consdev = MKDEV(TTY_MAJOR, SB1250_DUART_MINOR_BASE + 0);
+ } else if (!strcmp(consdev, "uart1")) {
+ setleds("u1cn");
+ cfe_consdev = MKDEV(TTY_MAJOR, SB1250_DUART_MINOR_BASE + 1);
+#endif
+#ifdef CONFIG_VGA_CONSOLE
+ } else if (!strcmp(consdev, "pcconsole0")) {
+ setleds("pccn");
+ cfe_consdev = MKDEV(TTY_MAJOR, 0);
+#endif
+ } else
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static struct console sb1250_cfe_cons = {
+ name: "cfe",
+ write: cfe_console_write,
+ device: cfe_console_device,
+ setup: cfe_console_setup,
+ flags: CON_PRINTBUFFER,
+ index: -1,
+};
+
+void __init sb1250_cfe_console_init(void)
+{
+ register_console(&sb1250_cfe_cons);
+}
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