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| author | Robin Getz <robin.getz@analog.com> | 2009-08-27 14:39:31 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-09-16 22:10:38 -0400 |
| commit | 774b80229fcb9df22aadec8fc5b143a842135535 (patch) | |
| tree | bf0615234a851a1840c9d2865198bcbba900ae81 /arch/blackfin/mm | |
| parent | ba877d4491a06ae69d53981bc242ef97a8157026 (diff) | |
| download | linux-774b80229fcb9df22aadec8fc5b143a842135535.tar.gz linux-774b80229fcb9df22aadec8fc5b143a842135535.tar.bz2 linux-774b80229fcb9df22aadec8fc5b143a842135535.zip | |
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 <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/mm')
| -rw-r--r-- | arch/blackfin/mm/isram-driver.c | 10 |
1 files 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 |