79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
#include <linux/init.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/console.h>
|
|
|
|
#include <asm/sibyte/board.h>
|
|
|
|
#include <asm/fw/cfe/cfe_api.h>
|
|
#include <asm/fw/cfe/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_SERIAL_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);
|