mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
From patchwork Wed Jun 8 13:49:26 2016
|
|
Content-Type: text/plain; charset="utf-8"
|
|
MIME-Version: 1.0
|
|
Content-Transfer-Encoding: 8bit
|
|
Subject: [LEDE-DEV] cavium: Ignore MEM boot param when too small
|
|
From: =?utf-8?q?Micha=C5=82_Osowiecki?= <michal.osowiecki@gmail.com>
|
|
X-Patchwork-Id: 632273
|
|
Message-Id: <57582266.8020105@gmail.com>
|
|
To: lede-dev@lists.infradead.org
|
|
Date: Wed, 8 Jun 2016 15:49:26 +0200
|
|
|
|
Cisco RV0XX u-boot sets MEM=2048 as boot param. We assume that at least
|
|
4MB (mem_alloc_size) of ram is needed to run linux on cavium boards, so
|
|
if mem < 4M - ignore it and set default value
|
|
|
|
|
|
Signed-off-by: Michał Osowiecki <michal.osowiecki@gmail.com>
|
|
|
|
--- a/arch/mips/cavium-octeon/setup.c
|
|
+++ b/arch/mips/cavium-octeon/setup.c
|
|
@@ -1018,6 +1018,10 @@ void __init plat_mem_setup(void)
|
|
if (mem_alloc_size > max_memory)
|
|
mem_alloc_size = max_memory;
|
|
|
|
+ /* Ignore bootarg MEM <= 4MB - cisco uses a b0rked uboot env on their products */
|
|
+ if (max_memory <= mem_alloc_size)
|
|
+ max_memory = 512ull << 20;
|
|
+
|
|
/* Crashkernel ignores bootmem list. It relies on mem=X@Y option */
|
|
#ifdef CONFIG_CRASH_DUMP
|
|
add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM);
|