This patch adds a new record type for lbtable to provide information

about a serial port. If a port is defined in the board configuration,
add it to lbtable.

Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3076 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

diff --git a/src/arch/i386/boot/coreboot_table.c b/src/arch/i386/boot/coreboot_table.c
index b13b63ee658ea8283cd0f069dcd8b9d4641cb0d3..963ff385f56bf02871bdcbfb747397c2fe0fdaf1 100644 (file)
--- a/src/arch/i386/boot/coreboot_table.c
+++ b/src/arch/i386/boot/coreboot_table.c
@@ -74,6 +74,22 @@ struct lb_memory *lb_memory(struct lb_header *header)
        return mem;
 }
 
+struct lb_serial *lb_serial(struct lb_header *header)
+{
+#if defined(TTYS0_BASE)
+       struct lb_record *rec;
+       struct lb_serial *serial;
+       rec = lb_new_record(header);
+       serial = (struct lb_serial *)rec;
+       serial->tag = LB_TAG_SERIAL;
+       serial->size = sizeof(*serial);
+       serial->ioport = TTYS0_BASE;
+       return serial;
+#else
+       return header;
+#endif
+}
+
 struct lb_mainboard *lb_mainboard(struct lb_header *header)
 {
        struct lb_record *rec;
@@ -406,8 +422,10 @@ unsigned long write_coreboot_table(
         * size of the coreboot table.
         */
 
-       /* Record our motheboard */
+       /* Record our motherboard */
        lb_mainboard(head);
+       /* Record the serial port, if present */
+       lb_serial(head);
        /* Record our various random string information */
        lb_strings(head);
 

diff --git a/src/include/boot/coreboot_tables.h b/src/include/boot/coreboot_tables.h
index 84bd99f515a65785e6c8069d43e8156f2f6ee245..25a8adcf6b3aa7f800c7fdda2f292d21e5b38d3f 100644 (file)
--- a/src/include/boot/coreboot_tables.h
+++ b/src/include/boot/coreboot_tables.h
@@ -138,6 +138,13 @@ struct lb_string {
        uint8_t  string[0];
 };
 
+#define LB_TAG_SERIAL          0x000f
+struct lb_serial {
+       uint32_t tag;
+       uint32_t size;
+       uint16_t ioport;
+};
+
 /* The following structures are for the cmos definitions table */
 #define LB_TAG_CMOS_OPTION_TABLE 200
 /* cmos header record */