From 774b80229fcb9df22aadec8fc5b143a842135535 Mon Sep 17 00:00:00 2001 From: Robin Getz Date: Thu, 27 Aug 2009 14:39:31 +0000 Subject: [PATCH] Blackfin: fix typo in isram_write() The DTEST write bit is 2, not 1. Improve comments in the related macro while we're here. Signed-off-by: Robin Getz Signed-off-by: Mike Frysinger --- arch/blackfin/mm/isram-driver.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c index 02eaaa641d49..beb1a608824c 100644 --- a/arch/blackfin/mm/isram-driver.c +++ b/arch/blackfin/mm/isram-driver.c @@ -53,10 +53,12 @@ static DEFINE_SPINLOCK(dtest_lock); #define IADDR2DTEST(x) \ ({ unsigned long __addr = (unsigned long)(x); \ (__addr & 0x47F8) | /* address bits 14 & 10:3 */ \ + (__addr & 0x8000) << 23 | /* Bank A/B */ \ (__addr & 0x0800) << 15 | /* address bit 11 */ \ - (__addr & 0x3000) << 4 | /* address bits 13:12 */ \ - (__addr & 0x8000) << 8 | /* address bit 15 */ \ - (0x1000004); /* isram access */ \ + (__addr & 0x3000) << 4 | /* address bits 13:12 */ \ + (__addr & 0x8000) << 8 | /* address bit 15 */ \ + (0x1000000) | /* instruction access = 1 */ \ + (0x4); /* data array = 1 */ \ }) /* Takes a pointer, and returns the offset (in bits) which things should be shifted */ @@ -73,7 +75,7 @@ static void isram_write(const void *addr, uint64_t data) if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)) return; - cmd = IADDR2DTEST(addr) | 1; /* write */ + cmd = IADDR2DTEST(addr) | 2; /* write */ /* * Writes to DTEST_DATA[0:1] need to be atomic with write to DTEST_COMMAND -- 2.30.2