From cc966472c3505c0ab9367d32ae5038d188b9c6fa Mon Sep 17 00:00:00 2001 From: juhosg Date: Mon, 10 Sep 2007 09:54:35 +0000 Subject: [adm5120] fix memory size detection (#2244) git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8728 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/adm5120/files/arch/mips/adm5120/memory.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) (limited to 'target/linux/adm5120/files/arch/mips') diff --git a/target/linux/adm5120/files/arch/mips/adm5120/memory.c b/target/linux/adm5120/files/arch/mips/adm5120/memory.c index 3881e9f6a..605df2601 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); -- cgit v1.2.3