diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-02-10 15:12:48 -0800 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-02-27 12:53:26 +0100 |
| commit | 6f329468f3086e9d8f3832930fdb09ab3769176b (patch) | |
| tree | d77b274399cf101fba59b0de01fd9491b4e28fee /arch/mips/mm | |
| parent | 6dd9344cfc41bcc60a01cdc828cb278be7a10e01 (diff) | |
| download | lwn-6f329468f3086e9d8f3832930fdb09ab3769176b.tar.gz lwn-6f329468f3086e9d8f3832930fdb09ab3769176b.zip | |
MIPS: Give Octeon+ CPUs their own cputype.
This allows us to treat them differently at runtime.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/951/
Patchwork: http://patchwork.linux-mips.org/patch/987/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/c-octeon.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index af85959e59f5..0f9c488044d1 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -183,6 +183,7 @@ static void __cpuinit probe_octeon(void) switch (c->cputype) { case CPU_CAVIUM_OCTEON: + case CPU_CAVIUM_OCTEON_PLUS: config1 = read_c0_config1(); c->icache.linesz = 2 << ((config1 >> 19) & 7); c->icache.sets = 64 << ((config1 >> 22) & 7); @@ -192,10 +193,10 @@ static void __cpuinit probe_octeon(void) c->icache.sets * c->icache.ways * c->icache.linesz; c->icache.waybit = ffs(icache_size / c->icache.ways) - 1; c->dcache.linesz = 128; - if (OCTEON_IS_MODEL(OCTEON_CN3XXX)) - c->dcache.sets = 1; /* CN3XXX has one Dcache set */ - else + if (c->cputype == CPU_CAVIUM_OCTEON_PLUS) c->dcache.sets = 2; /* CN5XXX has two Dcache sets */ + else + c->dcache.sets = 1; /* CN3XXX has one Dcache set */ c->dcache.ways = 64; dcache_size = c->dcache.sets * c->dcache.ways * c->dcache.linesz; |