superio/smsc/sio1036: Fix hardcoded TTY0 base addr and .c include

Compile romstage component as link-time symbols. Pass CONFIG_TTY0_BASE
as argument instead of hard coding and playing funny business with the
pre-processor. Fix board to match.

Change-Id: If6d0d5389bd4e7765bb6056cf488c94fd45915c2
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6463
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>

src/mainboard/amd/dinar/Kconfig

@@ -26,6 +26,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	select NORTHBRIDGE_AMD_AGESA_FAMILY15
 	select NORTHBRIDGE_AMD_CIMX_RD890
 	select SOUTHBRIDGE_AMD_CIMX_SB700
+	select SUPERIO_SMSC_SIO1036
 	select SUPERIO_SMSC_SCH4037
 	select BOARD_ROMSIZE_KB_2048
 	select HAVE_OPTION_TABLE

src/mainboard/amd/dinar/devicetree.cb

@@ -85,7 +85,7 @@ chip northbridge/amd/agesa/family15/root_complex
 							irq 0x70 = 1	# PS/2 keyboard interrupt
 							irq 0x72 = 12	# PS/2 mouse interrupt
 						end
-					end #SIO SMSC307
+					end #SIO SMSC SCH4037
 				end #LPC
 				device pci 14.4 on end # PCI bridge, 0x4384
 					device pci 14.5 on end # USB 3

src/mainboard/amd/dinar/romstage.c

@@ -33,12 +33,12 @@
 #include <northbridge/amd/agesa/agesawrapper_call.h>
 #include "cpu/x86/bist.h"
 #include "superio/smsc/sch4037/sch4037_early_init.c"
-#include "superio/smsc/sio1036/sio1036_early_init.c"
+#include <superio/smsc/sio1036/sio1036.h>
 #include "cpu/x86/lapic.h"
 #include "nb_cimx.h"
 #include <sb_cimx.h>
 
-#define SERIAL_DEV PNP_DEV(0x2e, SMSCSUPERIO_SP1)
+#define SERIAL_DEV PNP_DEV(0x4e, SIO1036_SP1)
 
 void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 {
@@ -50,11 +50,7 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
 
 		sch4037_early_init(0x2e);
 
-		/* Detect SMSC SIO1036 LPC Debug Card status */
+		sio1036_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
-		if (detect_sio1036_chip(0x4E)) {
-			/* Found SMSC SIO1036 LPC Debug Card */
-			sio1036_early_init(0x4E);
-		}
 
 		post_code(0x31);
 		console_init();

src/superio/smsc/sio1036/Makefile.inc

@@ -17,4 +17,5 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 #
 
+romstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += sio1036_early_init.c
 ramstage-$(CONFIG_SUPERIO_SMSC_SIO1036) += superio.c

src/superio/smsc/sio1036/sio1036.h

@@ -26,4 +26,9 @@
 #define LPT_POWER_DOWN		(1 << 2)
 #define IR_OUPUT_MUX		(1 << 6)
 
+#include <arch/io.h>
+#include <stdint.h>
+
+void sio1036_enable_serial(device_t dev, u16 iobase);
+
 #endif /* SUPERIO_SMSC_1306_H */

src/superio/smsc/sio1036/sio1036_early_init.c

@@ -20,50 +20,49 @@
 /* Pre-RAM driver for the SMSC KBC1100 Super I/O chip */
 
 #include <arch/io.h>
+#include <stdint.h>
+
 #include "sio1036.h"
 
-#ifndef CONFIG_TTYS0_BASE
-#define CONFIG_TTYS0_BASE 0x3F8
-#endif
 static inline void sio1036_enter_conf_state(device_t dev)
 {
-	unsigned port = dev>>8;
+	unsigned port = dev >> 8;
 	outb(0x55, port);
 }
 
 static inline void sio1036_exit_conf_state(device_t dev)
 {
-	unsigned port = dev>>8;
+	unsigned port = dev >> 8;
 	outb(0xaa, port);
 }
 
+/* Detect SMSC SIO1036 LPC Debug Card status */
 static u8 detect_sio1036_chip(unsigned port)
 {
-	device_t dev;
+	device_t dev = PNP_DEV(port, SIO1036_SP1);
-	dev = PNP_DEV (port, SIO1036_SP1);
 	unsigned data;
+
 	sio1036_enter_conf_state (dev);
 	data = pnp_read_config (dev, 0x0D);
 	sio1036_exit_conf_state(dev);
-	/* detect smsc sio1036 chip */
+
+	/* Detect SMSC SIO1036 chip */
 	if (data == 0x82) {
 		/* Found SMSC SIO1036 chip */
 		return 0;
 	}
 	else {
-		return -1;
+		return 1;
 	};
 }
 
-static inline void sio1036_early_init(unsigned port)
+void sio1036_enable_serial(device_t dev, u16 iobase)
 {
-	device_t dev;
+	unsigned port = dev >> 8;
-	dev = PNP_DEV (port, SIO1036_SP1);
 
-	if (detect_sio1036_chip(port) != 0) {
+	if (detect_sio1036_chip(port) != 0)
-		/* Not found SMSC SIO1036 */
 		return;
-	}
+
 	sio1036_enter_conf_state (dev);
 
 	/* Enable SMSC UART 0 */
@@ -91,7 +90,7 @@ static inline void sio1036_early_init(unsigned port)
 
 	/* Enable SMSC UART 0 */
 	/*Set base io address */
-	pnp_write_config (dev, 0x25, (u8)((u16)CONFIG_TTYS0_BASE >> 2));
+	pnp_write_config (dev, 0x25, (u8)(iobase >> 2));
 
 	/* Set UART IRQ onto 0x04 */
 	pnp_write_config (dev, 0x28, 0x04);