From: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [MIPS] cpu/mips/cpu.c: Fix flush_cache bug
Date: Tue, 08 Apr 2008 16:20:35 +0900 [thread overview]
Message-ID: <47FB1CC3.2090904@necel.com> (raw)
Cache operations have to take line address (addr), not start_addr.
I noticed this bug when debugging ping failure.
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
---
cpu/mips/cpu.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c
index 8b43d8e..e267bba 100644
--- a/cpu/mips/cpu.c
+++ b/cpu/mips/cpu.c
@@ -56,8 +56,8 @@ void flush_cache(ulong start_addr, ulong size)
unsigned long aend = (start_addr + size - 1) & ~(lsize - 1);
while (1) {
- cache_op(Hit_Writeback_Inv_D, start_addr);
- cache_op(Hit_Invalidate_I, start_addr);
+ cache_op(Hit_Writeback_Inv_D, addr);
+ cache_op(Hit_Invalidate_I, addr);
if (addr == aend)
break;
addr += lsize;
next reply other threads:[~2008-04-08 7:20 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-08 7:20 Shinya Kuribayashi [this message]
2008-04-18 4:14 ` [U-Boot-Users] [MIPS] cpu/mips/cpu.c: Fix flush_cache bug Wolfgang Denk
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