-#ifdef CONFIG_UDBG_RTAS_CONSOLE
-
-/* If you think you're dying before early_init_dt_scan_rtas() does its
- * work, you can hard code the token values for your firmware here and
- * hardcode rtas.base/entry etc.
- */
-static unsigned int rtas_putchar_token = RTAS_UNKNOWN_SERVICE;
-static unsigned int rtas_getchar_token = RTAS_UNKNOWN_SERVICE;
-
-static void udbg_rtascon_putc(char c)
-{
- int tries;
-
- if (!rtas.base)
- return;
-
- /* Add CRs before LFs */
- if (c == '\n')
- udbg_rtascon_putc('\r');
-
- /* if there is more than one character to be displayed, wait a bit */
- for (tries = 0; tries < 16; tries++) {
- if (rtas_call(rtas_putchar_token, 1, 1, NULL, c) == 0)
- break;
- udelay(1000);
- }
-}
-
-static int udbg_rtascon_getc_poll(void)
-{
- int c;
-
- if (!rtas.base)
- return -1;
-
- if (rtas_call(rtas_getchar_token, 0, 2, &c))
- return -1;
-
- return c;
-}
-
-static int udbg_rtascon_getc(void)
-{
- int c;
-
- while ((c = udbg_rtascon_getc_poll()) == -1)
- ;
-
- return c;
-}
-
-
-void __init udbg_init_rtas_console(void)
-{
- udbg_putc = udbg_rtascon_putc;
- udbg_getc = udbg_rtascon_getc;
- udbg_getc_poll = udbg_rtascon_getc_poll;
-}
-#endif /* CONFIG_UDBG_RTAS_CONSOLE */
-