gdsys: Introduce GDSYS_LEGACY_DRIVERS

Future gdsys boards will switch from the legacy drivers in board/gdsys/common
to DM-based drivers.

Define a Kconfig option that disables the legacy drivers.
Signed-off-by: NMario Six <mario.six@gdsys.cc>

board/gdsys/common/adv7611.c

@@ -4,6 +4,8 @@
  * Dirk Eibach, Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <i2c.h>
 
@@ -174,3 +176,5 @@ out:
 
 	return res;
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/ch7301.c

@@ -6,6 +6,8 @@
 
 /* Chrontel CH7301C DVI Transmitter */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <asm/io.h>
 #include <errno.h>
@@ -61,3 +63,5 @@ int ch7301_probe(unsigned screen, bool power)
 
 	return 0;
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/dp501.c

@@ -6,6 +6,8 @@
 
 /* Parade Technologies Inc. DP501 DisplayPort DVI/HDMI Transmitter */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <asm/io.h>
 #include <errno.h>
@@ -155,3 +157,5 @@ int dp501_probe(unsigned screen, bool power)
 
 	return 0;
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/fanctrl.c

@@ -4,6 +4,8 @@
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <i2c.h>
 
@@ -29,3 +31,5 @@ void init_fan_controller(u8 addr)
 	val = i2c_reg_read(addr, FAN_CONFIG) | 0x04;
 	i2c_reg_write(addr, FAN_CONFIG, val);
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/fpga.c

@@ -4,6 +4,8 @@
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <gdsys_fpga.h>
 
@@ -22,3 +24,5 @@ int fpga_get_reg(u32 fpga, u16 *reg, off_t regoff, u16 *data)
 
 	return 0;
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/ioep-fpga.c

@@ -4,6 +4,8 @@
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 
 #include <gdsys_fpga.h>
@@ -234,3 +236,5 @@ void ioep_fpga_print_info(unsigned int fpga)
 
 	printf(", %d video channel(s)\n", feature_video_channels);
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/mclink.c

@@ -4,6 +4,8 @@
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <asm/io.h>
 #include <errno.h>
@@ -134,3 +136,5 @@ int mclink_receive(u8 slave, u16 addr, u16 *data)
 
 	return 0;
 }
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */

board/gdsys/common/osd.c

@@ -4,6 +4,8 @@
  * Dirk Eibach,  Guntermann & Drunck GmbH, dirk.eibach@gdsys.cc
  */
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
+
 #include <common.h>
 #include <i2c.h>
 #include <malloc.h>
@@ -497,3 +499,5 @@ U_BOOT_CMD(
 	"size_x(max. " __stringify(MAX_X_CHARS)
 	") size_y(max. " __stringify(MAX_Y_CHARS) ")\n"
 );
+
+#endif /* CONFIG_GDSYS_LEGACY_DRIVERS */
\ No newline at end of file

board/gdsys/mpc8308/Kconfig

@@ -4,6 +4,13 @@ config GDSYS_LEGACY_OSD_CMDS
 	  Use the 'osdw', 'osdp', and 'osdsize' legacy commands required by
 	  gdsys devices.
 
+config GDSYS_LEGACY_DRIVERS
+	bool
+	help
+	  Enable the gdsys legacy drivers under board/gdsys/common. If this
+	  option is not set, all relevant DM drivers must be configured for the
+	  device in question.
+
 config SYS_FPGA0_BASE
 	hex
 	default E0600000
@@ -40,6 +47,9 @@ config SYS_CONFIG_NAME
 config GDSYS_LEGACY_OSD_CMDS
 	default y
 
+config GDSYS_LEGACY_DRIVERS
+	default y
+
 endif
 
 if TARGET_STRIDER
@@ -55,6 +65,10 @@ config SYS_CONFIG_NAME
 
 config GDSYS_LEGACY_OSD_CMDS
 	default y
+
+config GDSYS_LEGACY_DRIVERS
+	default y
+
 endif
 
 config CMD_IOLOOP

board/gdsys/mpc8308/mpc8308.c

@@ -24,6 +24,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
 /* as gpio output status cannot be read back, we have to buffer it locally */
 u32 gpio0_out;
 
@@ -116,3 +117,4 @@ int board_early_init_r(void)
 
 	return 0;
 }
+#endif

board/gdsys/p1022/Kconfig

+config GDSYS_LEGACY_DRIVERS
+	bool
+	help
+	  Enable the gdsys legacy drivers under board/gdsys/common. If this
+	  option is not set, all relevant DM drivers must be configured for the
+	  device in question.
+
 if TARGET_CONTROLCENTERD
 
 config SYS_BOARD
@@ -9,4 +16,7 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
 	default "controlcenterd"
 
+config GDSYS_LEGACY_DRIVERS
+	default y
+
 endif

include/gdsys_fpga.h

@@ -7,6 +7,7 @@
 #ifndef __GDSYS_FPGA_H
 #define __GDSYS_FPGA_H
 
+#ifdef CONFIG_GDSYS_LEGACY_DRIVERS
 int init_func_fpga(void);
 
 enum {
@@ -33,6 +34,7 @@ extern struct ihs_fpga *fpga_ptr[];
 		     &fpga_ptr[ix]->fld, \
 		     offsetof(struct ihs_fpga, fld), \
 		     val)
+#endif
 
 struct ihs_gpio {
 	u16 read;