ARMV7: create a correct LB_SERIAL table entry

If CONFIG_CONSOLE_SERIAL is set, and we can call the standard function
and get a non-zero uart address, then we create an lb table entry.

The code was mostly right, just needed a tweak.

Change-Id: I5b36c7b4e580a23319b7ba92cc8ad61592b1757a
Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-on: http://review.coreboot.org/2466
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>

src/arch/armv7/boot/coreboot_table.c

@@ -110,18 +110,7 @@ static struct lb_memory *lb_memory(struct lb_header *header)
 
 static struct lb_serial *lb_serial(struct lb_header *header)
 {
-#if CONFIG_CONSOLE_SERIAL8250
-	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->type = LB_SERIAL_TYPE_IO_MAPPED;
-	serial->baseaddr = CONFIG_TTYS0_BASE;
-	serial->baud = CONFIG_TTYS0_BAUD;
-	return serial;
-#elif CONFIG_CONSOLE_SERIAL8250MEM
+#if CONFIG_CONSOLE_SERIAL
 	if (uartmem_getbaseaddr()) {
 		struct lb_record *rec;
 		struct lb_serial *serial;

src/mainboard/emulation/qemu-armv7/Kconfig

@@ -25,6 +25,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	def_bool y
 	select ARCH_ARMV7
 	select CPU_ARMLTD_CORTEX_A9
+	select HAVE_UART_MEMORY_MAPPED
 	select DEFAULT_EARLY_CONSOLE
 	select HAVE_UART_SPECIAL
 	select BOARD_ROMSIZE_KB_4096

src/mainboard/emulation/qemu-armv7/uart.c

@@ -39,6 +39,10 @@ static const struct console_driver pl011_uart_console __console = {
 	.tx_flush = pl011_uart_tx_flush,
 };
 
+uint32_t uartmem_getbaseaddr(void)
+{
+	return VEXPRESS_UART0_IO_ADDRESS;
+}
 #else
 void uart_init(void)
 {