diff options
| author | Hauke Mehrtens <hauke@openwrt.org> | 2009-11-29 16:53:50 +0000 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@openwrt.org> | 2009-11-29 16:53:50 +0000 |
| commit | 0a5b543b5f93f1570ddcfe3d93bb6060c9d668f8 (patch) | |
| tree | eed7b999f00a83e335ac2e0a87f05c4eaf4c120f /target/linux/amazon/files | |
| parent | cceb3dffcfba32ee1b6900e4611b19f409ec6a9d (diff) | |
| download | upstream-0a5b543b5f93f1570ddcfe3d93bb6060c9d668f8.tar.gz upstream-0a5b543b5f93f1570ddcfe3d93bb6060c9d668f8.tar.bz2 upstream-0a5b543b5f93f1570ddcfe3d93bb6060c9d668f8.zip | |
[amazon] Read the size of the available memory from parameters passed to the kernel by firmware.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18604 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/amazon/files')
| -rw-r--r-- | target/linux/amazon/files/arch/mips/amazon/prom.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/target/linux/amazon/files/arch/mips/amazon/prom.c b/target/linux/amazon/files/arch/mips/amazon/prom.c index f138bcbef4..c5db4f5cdc 100644 --- a/target/linux/amazon/files/arch/mips/amazon/prom.c +++ b/target/linux/amazon/files/arch/mips/amazon/prom.c @@ -59,12 +59,28 @@ void prom_printf(const char * fmt, ...) void __init prom_init(void) { + char **envp = (char **) fw_arg2; + + int memsize = 16; /* assume 16M as default */ + mips_machgroup = MACH_GROUP_INFINEON; mips_machtype = MACH_INFINEON_AMAZON; + envp = (char **)KSEG1ADDR((unsigned long)envp); + while (*envp) { + char *e = (char *)KSEG1ADDR(*envp); + + if (!strncmp(e, "memsize=", 8)) { + e += 8; + memsize = simple_strtoul(e, NULL, 10); + } + envp++; + } + memsize *= 1024 * 1024; + strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2"); - add_memory_region(0x00000000, 0x1000000, BOOT_MEM_RAM); + add_memory_region(0x00000000, memsize, BOOT_MEM_RAM); } void prom_free_prom_memory(void) |