diff options
Diffstat (limited to 'drivers/serial/suncore.c')
-rw-r--r-- | drivers/serial/suncore.c | 123 |
1 files changed, 46 insertions, 77 deletions
diff --git a/drivers/serial/suncore.c b/drivers/serial/suncore.c index b45ba5392dd3..70a09a3d5af0 100644 --- a/drivers/serial/suncore.c +++ b/drivers/serial/suncore.c @@ -16,9 +16,10 @@ #include <linux/tty.h> #include <linux/errno.h> #include <linux/string.h> +#include <linux/serial_core.h> #include <linux/init.h> -#include <asm/oplib.h> +#include <asm/prom.h> #include "suncore.h" @@ -26,92 +27,60 @@ int sunserial_current_minor = 64; EXPORT_SYMBOL(sunserial_current_minor); -void -sunserial_console_termios(struct console *con) +int sunserial_console_match(struct console *con, struct device_node *dp, + struct uart_driver *drv, int line) { - char mode[16], buf[16], *s; - char mode_prop[] = "ttyX-mode"; - char cd_prop[] = "ttyX-ignore-cd"; - char dtr_prop[] = "ttyX-rts-dtr-off"; - char *ssp_console_modes_prop = "ssp-console-modes"; - int baud, bits, stop, cflag; - char parity; - int carrier = 0; - int rtsdtr = 1; - int topnd, nd; - - if (!serial_console) - return; - - switch (serial_console) { - case PROMDEV_OTTYA: - mode_prop[3] = 'a'; - cd_prop[3] = 'a'; - dtr_prop[3] = 'a'; - break; - - case PROMDEV_OTTYB: - mode_prop[3] = 'b'; - cd_prop[3] = 'b'; - dtr_prop[3] = 'b'; - break; - - case PROMDEV_ORSC: - - nd = prom_pathtoinode("rsc"); - if (!nd) { - strcpy(mode, "115200,8,n,1,-"); - goto no_options; - } + int off; - if (!prom_node_has_property(nd, ssp_console_modes_prop)) { - strcpy(mode, "115200,8,n,1,-"); - goto no_options; - } + if (!con || of_console_device != dp) + return 0; - memset(mode, 0, sizeof(mode)); - prom_getstring(nd, ssp_console_modes_prop, mode, sizeof(mode)); - goto no_options; + off = 0; + if (of_console_options && + *of_console_options == 'b') + off = 1; - default: - strcpy(mode, "9600,8,n,1,-"); - goto no_options; - } + if ((line & 1) != off) + return 0; - topnd = prom_getchild(prom_root_node); - nd = prom_searchsiblings(topnd, "options"); - if (!nd) { - strcpy(mode, "9600,8,n,1,-"); - goto no_options; - } - - if (!prom_node_has_property(nd, mode_prop)) { - strcpy(mode, "9600,8,n,1,-"); - goto no_options; - } + con->index = line; + drv->cons = con; + add_preferred_console(con->name, line, NULL); - memset(mode, 0, sizeof(mode)); - prom_getstring(nd, mode_prop, mode, sizeof(mode)); - - if (prom_node_has_property(nd, cd_prop)) { - memset(buf, 0, sizeof(buf)); - prom_getstring(nd, cd_prop, buf, sizeof(buf)); - if (!strcmp(buf, "false")) - carrier = 1; - - /* XXX: this is unused below. */ - } + return 1; +} +EXPORT_SYMBOL(sunserial_console_match); - if (prom_node_has_property(nd, dtr_prop)) { - memset(buf, 0, sizeof(buf)); - prom_getstring(nd, dtr_prop, buf, sizeof(buf)); - if (!strcmp(buf, "false")) - rtsdtr = 0; +void +sunserial_console_termios(struct console *con) +{ + struct device_node *dp; + const char *od, *mode, *s; + char mode_prop[] = "ttyX-mode"; + int baud, bits, stop, cflag; + char parity; - /* XXX: this is unused below. */ + dp = of_find_node_by_path("/options"); + od = of_get_property(dp, "output-device", NULL); + if (!strcmp(od, "rsc")) { + mode = of_get_property(of_console_device, + "ssp-console-modes", NULL); + if (!mode) + mode = "115200,8,n,1,-"; + } else { + char c; + + c = 'a'; + if (of_console_options) + c = *of_console_options; + + mode_prop[3] = c; + + mode = of_get_property(dp, mode_prop, NULL); + if (!mode) + mode = "9600,8,n,1,-"; } -no_options: cflag = CREAD | HUPCL | CLOCAL; s = mode; |