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: Mario Six <mario.six@gdsys.cc>

12 files changed, 60 insertions, 0 deletions

diff --git a/board/gdsys/common/adv7611.c b/board/gdsys/common/adv7611.c
index c416bf1dc4..06cdc05825 100644
--- a/board/gdsys/common/adv7611.c
+++ b/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 */
diff --git a/board/gdsys/common/ch7301.c b/board/gdsys/common/ch7301.c
index 1234149f42..5e42467651 100644
--- a/board/gdsys/common/ch7301.c
+++ b/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 */
diff --git a/board/gdsys/common/dp501.c b/board/gdsys/common/dp501.c
index 69d4b8c333..9ca69ebcbb 100644
--- a/board/gdsys/common/dp501.c
+++ b/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 */
diff --git a/board/gdsys/common/fanctrl.c b/board/gdsys/common/fanctrl.c
index 5e776831db..27c875cbec 100644
--- a/board/gdsys/common/fanctrl.c
+++ b/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 */
diff --git a/board/gdsys/common/fpga.c b/board/gdsys/common/fpga.c
index f189e5fbd1..5ba6613ed5 100644
--- a/board/gdsys/common/fpga.c
+++ b/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 */
diff --git a/board/gdsys/common/ioep-fpga.c b/board/gdsys/common/ioep-fpga.c
index 8e10501247..91eec3ac7c 100644
--- a/board/gdsys/common/ioep-fpga.c
+++ b/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 */
diff --git a/board/gdsys/common/mclink.c b/board/gdsys/common/mclink.c
index bf89d4e292..c43d24b26d 100644
--- a/board/gdsys/common/mclink.c
+++ b/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 */
diff --git a/board/gdsys/common/osd.c b/board/gdsys/common/osd.c
index 392d0059da..10c4329146 100644
--- a/board/gdsys/common/osd.c
+++ b/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
diff --git a/board/gdsys/mpc8308/Kconfig b/board/gdsys/mpc8308/Kconfig
index cad458ac71..222ab0d20a 100644
--- a/board/gdsys/mpc8308/Kconfig
+++ b/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
diff --git a/board/gdsys/mpc8308/mpc8308.c b/board/gdsys/mpc8308/mpc8308.c
index a53135b8fd..ae77fc2fd1 100644
--- a/board/gdsys/mpc8308/mpc8308.c
+++ b/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
diff --git a/board/gdsys/p1022/Kconfig b/board/gdsys/p1022/Kconfig
index 8514d086b9..f5154271d1 100644
--- a/board/gdsys/p1022/Kconfig
+++ b/board/gdsys/p1022/Kconfig
@@ -1,3 +1,10 @@
+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
diff --git a/include/gdsys_fpga.h b/include/gdsys_fpga.h
index eae6701262..6d38a83d90 100644
--- a/include/gdsys_fpga.h
+++ b/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;