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uboot-mediatek: increase max. memory regions on mt7988-rfb

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WED requires a bunch of additional reserved memory regions. As U-Boot's
LMB allocator defaults to a maximum of only 8 regions, this currently
makes using WED impossible.
Raise LMB_MAX_REGIONS to 64 just like for all other MediaTek boards
with a SoC supporting WED.

Fixes: 572ea68070 ("uboot-mediatek: add patches for MT7988 and builds for RFB")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2023-08-24 17:24:37 +01:00
parent f01982ec0b
commit ff2379662c
1 changed files with 69 additions and 0 deletions
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package/boot/uboot-mediatek/patches/104-configs-set-CONFIG_LMB_MAX_REGIONS-64-for-MT7988-boards.patch Normal file
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@ -0,0 +1,69 @@
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Date: Mon, 21 Aug 2023 20:38:23 +0100
From: Daniel Golle <daniel@makrotopia.org>
To: Sam Shih <sam.shih@mediatek.com>, Weijie Gao <weijie.gao@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>, u-boot@lists.denx.de
Subject: [PATCH] configs: set CONFIG_LMB_MAX_REGIONS=64 for MT7988 boards
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Similar to MT7981 and MT7986 also MT7988 can have a high number of
reserved-memory regions used by the various hardware offloading
subsystems.
Raise CONFIG_LMB_MAX_REGIONS to 64 to avoid errors when trying to boot
Linux with more then 6 reserved regions:
ERROR: reserving fdt memory region failed (addr=4f700000 size=240000 flags=4)
ERROR: reserving fdt memory region failed (addr=15194000 size=1000 flags=4)
ERROR: reserving fdt memory region failed (addr=15294000 size=1000 flags=4)
ERROR: reserving fdt memory region failed (addr=15394000 size=1000 flags=4)
ERROR: Failed to allocate 0xb161 bytes below 0x80000000.
device tree - allocation error
Fixes: bc4adc97cfb ("board: mediatek: add MT7988 reference boards")
Reported-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
configs/mt7988_rfb_defconfig | 1 +
configs/mt7988_sd_rfb_defconfig | 1 +
2 files changed, 2 insertions(+)
--- a/configs/mt7988_rfb_defconfig
+++ b/configs/mt7988_rfb_defconfig
@@ -81,3 +81,4 @@ CONFIG_MTK_SPIM=y
CONFIG_LZO=y
CONFIG_HEXDUMP=y
# CONFIG_EFI_LOADER is not set
+CONFIG_LMB_MAX_REGIONS=64
--- a/configs/mt7988_sd_rfb_defconfig
+++ b/configs/mt7988_sd_rfb_defconfig
@@ -69,3 +69,4 @@ CONFIG_MTK_SPIM=y
CONFIG_LZO=y
CONFIG_HEXDUMP=y
# CONFIG_EFI_LOADER is not set
+CONFIG_LMB_MAX_REGIONS=64