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authorPetr Cvek <petrcvekcz@gmail.com>2022-04-24 07:37:55 +0200
committerFelix Held <felix-coreboot@felixheld.de>2022-04-26 13:43:52 +0000
commit6090d4eca737cf21d11592b1020f7183cedd8b56 (patch)
tree7815ae709b6d15b5db9f1bea5b331ad33f1ae806 /src/mainboard/kontron/986lcd-m
parent845f232502e32c1e6b1b092f21225f3cb49d5d1a (diff)
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mb/kontron/986lcd-m: Improve device tree description
Some devices/settings doesn't have helpful description in comments. Update comments to describe the physical device on the board. Change-Id: I479f41d71342104e74f862cf37b967963bc54877 Signed-off-by: Petr Cvek <petrcvekcz@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/63800 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/mainboard/kontron/986lcd-m')
-rw-r--r--src/mainboard/kontron/986lcd-m/devicetree.cb21
1 files changed, 11 insertions, 10 deletions
diff --git a/src/mainboard/kontron/986lcd-m/devicetree.cb b/src/mainboard/kontron/986lcd-m/devicetree.cb
index 88cf04db586d..4c1f5029672a 100644
--- a/src/mainboard/kontron/986lcd-m/devicetree.cb
+++ b/src/mainboard/kontron/986lcd-m/devicetree.cb
@@ -12,8 +12,8 @@ chip northbridge/intel/i945
device domain 0 on
device pci 00.0 on end # host bridge
- device pci 01.0 off end # i945 PCIe root port
- device pci 02.0 on end # vga controller
+ device pci 01.0 off end # i945 PCIe x16 bridge
+ device pci 02.0 on end # GMA950 iGPU + VGA
device pci 02.1 on end # display controller
chip southbridge/intel/i82801gx
@@ -38,18 +38,19 @@ chip northbridge/intel/i945
register "c3_latency" = "85"
register "p_cnt_throttling_supported" = "0"
+ # ICH-7 generic decode IO ports range for LPC
register "gen1_dec" = "0x00fc0a01" # HWM
register "gen2_dec" = "0x000403e9" # COM3
register "gen3_dec" = "0x000402e9" # COM4
register "gen4_dec" = "0x00000301" # ??
device pci 1b.0 on end # High Definition Audio
- device pci 1c.0 on end # PCIe
- device pci 1c.1 on end # PCIe
- device pci 1c.2 on end # PCIe
- device pci 1c.3 off end # PCIe port 4
- device pci 1c.4 off end # PCIe port 5
- device pci 1c.5 off end # PCIe port 6
+ device pci 1c.0 on end # Ethernet 1
+ device pci 1c.1 on end # Ethernet 2
+ device pci 1c.2 on end # Ethernet 3
+ device pci 1c.3 off end # MiniPCIe
+ device pci 1c.4 off end # PCIe port 5 (not connected)
+ device pci 1c.5 off end # PCIe port 6 (not connected)
device pci 1d.0 on end # USB UHCI
device pci 1d.1 on end # USB UHCI
device pci 1d.2 on end # USB UHCI
@@ -82,7 +83,7 @@ chip northbridge/intel/i945
irq 0x72 = 12
irq 0xf0 = 0x82 # HW accel A20.
end
- device pnp 2e.7 on # GPIO1, GAME, MIDI
+ device pnp 2e.7 on # GPIO1/5, GAME, MIDI
io 0x60 = 0x220 # allocator workaround
io 0x62 = 0x330
irq 0x70 = 9
@@ -119,7 +120,7 @@ chip northbridge/intel/i945
end
device pnp 4e.5 off # Keyboard
end
- device pnp 4e.7 off # GPIO1, GAME, MIDI
+ device pnp 4e.7 off # GPIO1/5, GAME, MIDI
end
device pnp 4e.8 off # GPIO2
end