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MIPS: bcm47xx: enable ZBOOT support 

Enable ZBOOT support. The WRT54GL router's bootloader limits kernel
size to 3 MB with the normal load address, which is a bit challenging
vmlinux size with modern Linux. A compressed kernel allows booting
much bigger kernels.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/18492/
Signed-off-by: James Hogan <jhogan@kernel.org>
This commit is contained in:
Aaro Koskinen 2018-01-17 00:21:44 +02:00 committed by James Hogan
parent cc4804448c
commit 6507831f0e
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GPG Key ID: 6C0B6993DE38767A
2 changed files with 2 additions and 0 deletions
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1
arch/mips/Kconfig
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@ -253,6 +253,7 @@ config BCM47XX
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select SYS_SUPPORTS_MIPS16
select SYS_SUPPORTS_ZBOOT
select SYS_HAS_EARLY_PRINTK
select USE_GENERIC_EARLY_PRINTK_8250
select GPIOLIB

1
arch/mips/bcm47xx/Platform
View File

@ -5,3 +5,4 @@ platform-$(CONFIG_BCM47XX) += bcm47xx/
cflags-$(CONFIG_BCM47XX) += \
-I$(srctree)/arch/mips/include/asm/mach-bcm47xx
load-$(CONFIG_BCM47XX) := 0xffffffff80001000
zload-$(CONFIG_BCM47XX) += 0xffffffff80400000