diff --git a/configs/board/stm32f746g-disco/sdram.ini b/configs/board/stm32f746g-disco/sdram.ini
index 6c75901..0507012 100644
--- a/configs/board/stm32f746g-disco/sdram.ini
+++ b/configs/board/stm32f746g-disco/sdram.ini
@@ -11,368 +11,88 @@
 ; are not actually wired to the SDRAM chip on this board, corrupting every
 ; access with garbage from the floating upper half.
 
-[sdram_sdclk]
-driver_name=dmgpio
-driver_order=-9
-pin=PG8
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_sdcke0]
-driver_name=dmgpio
-driver_order=-9
-pin=PC3
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_sdne0]
-driver_name=dmgpio
-driver_order=-9
-pin=PH3
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_sdnras]
-driver_name=dmgpio
-driver_order=-9
-pin=PF11
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_sdncas]
-driver_name=dmgpio
-driver_order=-9
-pin=PG15
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_sdnwe]
-driver_name=dmgpio
-driver_order=-9
-pin=PH5
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_ba0]
-driver_name=dmgpio
-driver_order=-9
-pin=PG4
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_ba1]
-driver_name=dmgpio
-driver_order=-9
-pin=PG5
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-; Address lines A0-A11
-[sdram_a0]
-driver_name=dmgpio
-driver_order=-9
-pin=PF0
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a1]
-driver_name=dmgpio
-driver_order=-9
-pin=PF1
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a2]
-driver_name=dmgpio
-driver_order=-9
-pin=PF2
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a3]
-driver_name=dmgpio
-driver_order=-9
-pin=PF3
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a4]
-driver_name=dmgpio
-driver_order=-9
-pin=PF4
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a5]
-driver_name=dmgpio
-driver_order=-9
-pin=PF5
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a6]
-driver_name=dmgpio
-driver_order=-9
-pin=PF12
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a7]
-driver_name=dmgpio
-driver_order=-9
-pin=PF13
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a8]
-driver_name=dmgpio
-driver_order=-9
-pin=PF14
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a9]
-driver_name=dmgpio
-driver_order=-9
-pin=PF15
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a10]
-driver_name=dmgpio
-driver_order=-9
-pin=PG0
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_a11]
-driver_name=dmgpio
-driver_order=-9
-pin=PG1
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-; Data lines D0-D15 (16-bit bus - see the note at the top of this file)
-[sdram_d0]
-driver_name=dmgpio
-driver_order=-9
-pin=PD14
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d1]
-driver_name=dmgpio
-driver_order=-9
-pin=PD15
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d2]
-driver_name=dmgpio
-driver_order=-9
-pin=PD0
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d3]
-driver_name=dmgpio
-driver_order=-9
-pin=PD1
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d4]
-driver_name=dmgpio
-driver_order=-9
-pin=PE7
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d5]
-driver_name=dmgpio
-driver_order=-9
-pin=PE8
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d6]
-driver_name=dmgpio
-driver_order=-9
-pin=PE9
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d7]
-driver_name=dmgpio
-driver_order=-9
-pin=PE10
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d8]
-driver_name=dmgpio
-driver_order=-9
-pin=PE11
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d9]
-driver_name=dmgpio
-driver_order=-9
-pin=PE12
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d10]
-driver_name=dmgpio
-driver_order=-9
-pin=PE13
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d11]
-driver_name=dmgpio
-driver_order=-9
-pin=PE14
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
-
-[sdram_d12]
-driver_name=dmgpio
-driver_order=-9
-pin=PE15
-mode=alternate
-alternate_function=12
-speed=maximum
-output_circuit=push_pull
+; Pins: one dmgpio section per GPIO port, every pin of the port that the
+; SDRAM uses selected by the pins= bitmask (bit n = pin n) - all of them share
+; the same settings (AF12, maximum speed, push-pull).
+;
+; D16-D31 deliberately not configured here - see the note at the top of this
+; file. Those MCU pins (PH8-15, PI0-3, PI6-7, PI9-10) are used for other
+; on-board peripherals and must not be muxed to FMC on this board.
 
-[sdram_d13]
+; Port C: SDCKE0=PC3
+[sdram_port_c]
 driver_name=dmgpio
 driver_order=-9
-pin=PD8
+port=C
+pins=0x0008
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-[sdram_d14]
+; Port D: D2=PD0, D3=PD1, D13=PD8, D14=PD9, D15=PD10, D0=PD14, D1=PD15
+[sdram_port_d]
 driver_name=dmgpio
 driver_order=-9
-pin=PD9
+port=D
+pins=0xC703
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-[sdram_d15]
+; Port E: NBL0=PE0, NBL1=PE1, D4=PE7, D5=PE8, D6=PE9, D7=PE10, D8=PE11,
+; D9=PE12, D10=PE13, D11=PE14, D12=PE15
+[sdram_port_e]
 driver_name=dmgpio
 driver_order=-9
-pin=PD10
+port=E
+pins=0xFF83
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-; D16-D31 deliberately not configured here - see the note at the top of this
-; file. Those MCU pins (PH8-15, PI0-3, PI6-7, PI9-10) are used for other
-; on-board peripherals and must not be muxed to FMC on this board.
-
-; Byte lane enables NBL0-NBL3
-[sdram_nbl0]
+; Port F: A0=PF0, A1=PF1, A2=PF2, A3=PF3, A4=PF4, A5=PF5, SDNRAS=PF11,
+; A6=PF12, A7=PF13, A8=PF14, A9=PF15
+[sdram_port_f]
 driver_name=dmgpio
 driver_order=-9
-pin=PE0
+port=F
+pins=0xF83F
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-[sdram_nbl1]
+; Port G: A10=PG0, A11=PG1, BA0=PG4, BA1=PG5, SDCLK=PG8, SDNCAS=PG15
+[sdram_port_g]
 driver_name=dmgpio
 driver_order=-9
-pin=PE1
+port=G
+pins=0x8133
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-[sdram_nbl2]
+; Port H: SDNE0=PH3, SDNWE=PH5
+[sdram_port_h]
 driver_name=dmgpio
 driver_order=-9
-pin=PI4
+port=H
+pins=0x0028
 mode=alternate
 alternate_function=12
 speed=maximum
 output_circuit=push_pull
 
-[sdram_nbl3]
+; Port I: NBL2=PI4, NBL3=PI5
+[sdram_port_i]
 driver_name=dmgpio
 driver_order=-9
-pin=PI5
+port=I
+pins=0x0030
 mode=alternate
 alternate_function=12
 speed=maximum