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mpc85xx: add compressed zImage for mpc85xx

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Add a universal zImage which can be loaded by mpc85xx boards at
load address 0x3000000. This allows boards to boot kernels larger than
16MB even if the image is loaded temporarily from NAND at offset
0x1000000 which some bootloaders do by default.

Signed-off-by: David Bauer <mail@david-bauer.net>
This commit is contained in:
David Bauer 2024-05-31 18:47:25 +02:00
parent 8619d7af67
commit 7d768a9ba6
3 changed files with 81 additions and 1 deletions
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2
target/linux/mpc85xx/p1020/target.mk
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@ -1,5 +1,5 @@
BOARDNAME:=P1020
KERNEL_IMAGES:=simpleImage.ws-ap3710i simpleImage.ws-ap3825i simpleImage.hiveap-330
KERNEL_IMAGES:=simpleImage.ws-ap3710i simpleImage.ws-ap3825i simpleImage.hiveap-330 zImage.la3000000
define Target/Description
Build firmware images for Freescale P1020 based boards.

40
target/linux/mpc85xx/patches-6.1/010-powerpc-add-compressed-zImage-for-mpc85xx.patch Normal file
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@ -0,0 +1,40 @@
From b30ba76a980b3a9282f309c23e3bb0b0eb2c72cd Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Thu, 30 May 2024 02:55:38 +0200
Subject: [PATCH] powerpc: add compressed zImage for mpc85xx
Add a universal zImage which can be loaded by mpc85xx boards at
load address 0x3000000. This allows boards to boot kernels larger than
16MB even if the image is loaded temporarily from NAND at offset
0x1000000 which some bootloaders do by default.
Signed-off-by: David Bauer <mail@david-bauer.net>
---
arch/powerpc/boot/Makefile | 1 +
arch/powerpc/boot/wrapper | 5 +++++
2 files changed, 6 insertions(+)
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -345,6 +345,7 @@ image-$(CONFIG_MPC836x_MDS) += cuImage.
image-$(CONFIG_ASP834x) += dtbImage.asp834x-redboot
# Board ports in arch/powerpc/platform/85xx/Kconfig
+image-y += zImage.la3000000
image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads
image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads
image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -254,6 +254,11 @@ if [ -n "$esm_blob" -a "$platform" != "p
fi
case "$platform" in
+la3000000)
+ binary=y
+ platformo="$object/fixed-head.o $object/of.o $object/epapr.o"
+ link_address='0x3000000'
+ ;;
of)
platformo="$object/of.o $object/epapr.o"
make_space=n

40
target/linux/mpc85xx/patches-6.6/010-powerpc-add-compressed-zImage-for-mpc85xx.patch Normal file
View File

@ -0,0 +1,40 @@
From b30ba76a980b3a9282f309c23e3bb0b0eb2c72cd Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Thu, 30 May 2024 02:55:38 +0200
Subject: [PATCH] powerpc: add compressed zImage for mpc85xx
Add a universal zImage which can be loaded by mpc85xx boards at
load address 0x3000000. This allows boards to boot kernels larger than
16MB even if the image is loaded temporarily from NAND at offset
0x1000000 which some bootloaders do by default.
Signed-off-by: David Bauer <mail@david-bauer.net>
---
arch/powerpc/boot/Makefile | 1 +
arch/powerpc/boot/wrapper | 5 +++++
2 files changed, 6 insertions(+)
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -345,6 +345,7 @@ image-$(CONFIG_MPC836x_MDS) += cuImage.
image-$(CONFIG_ASP834x) += dtbImage.asp834x-redboot
# Board ports in arch/powerpc/platform/85xx/Kconfig
+image-y += zImage.la3000000
image-$(CONFIG_MPC8540_ADS) += cuImage.mpc8540ads
image-$(CONFIG_MPC8560_ADS) += cuImage.mpc8560ads
image-$(CONFIG_MPC85xx_CDS) += cuImage.mpc8541cds \
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -254,6 +254,11 @@ if [ -n "$esm_blob" -a "$platform" != "p
fi
case "$platform" in
+la3000000)
+ binary=y
+ platformo="$object/fixed-head.o $object/of.o $object/epapr.o"
+ link_address='0x3000000'
+ ;;
of)
platformo="$object/of.o $object/epapr.o"
make_space=n