diff options
| author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-10 09:54:35 +0000 |
|---|---|---|
| committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2007-09-10 09:54:35 +0000 |
| commit | cc966472c3505c0ab9367d32ae5038d188b9c6fa (patch) | |
| tree | 23ad0d78b7c68bb61c9f57dba1ff49a2f032b0d2 /target/linux/adm5120/files/arch/mips | |
| parent | 2ed862c4a542b02c56d0d8525b0299f6c7315b2e (diff) | |
[adm5120] fix memory size detection (#2244)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8728 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/adm5120/files/arch/mips')
| -rw-r--r-- | target/linux/adm5120/files/arch/mips/adm5120/memory.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/target/linux/adm5120/files/arch/mips/adm5120/memory.c b/target/linux/adm5120/files/arch/mips/adm5120/memory.c index 3881e9f6ab..605df26016 100644 --- a/target/linux/adm5120/files/arch/mips/adm5120/memory.c +++ b/target/linux/adm5120/files/arch/mips/adm5120/memory.c @@ -50,10 +50,11 @@ static int __init mem_check_pattern(u8 *addr, unsigned long offs) u32 *p1 = (u32 *)addr; u32 *p2 = (u32 *)(addr+offs); u32 t,u,v; + /* save original value */ t = MEM_READL(p1); - u = MEM_READL(p2); + u = MEM_READL(p2); if (t != u) return 0; @@ -64,10 +65,7 @@ static int __init mem_check_pattern(u8 *addr, unsigned long offs) mem_dbg("write 0x%08X to 0x%08lX\n", v, (unsigned long)p1); MEM_WRITEL(p1, v); - - /* flush write buffers */ - MPMC_WRITE_REG(CTRL, MPMC_READ_REG(CTRL) | MPMC_CTRL_DWB); - + adm5120_ndelay(1000); u = MEM_READL(p2); mem_dbg("pattern at 0x%08lX is 0x%08X\n", (unsigned long)p2, u); |