diff options
| author | James Hogan <james.hogan@imgtec.com> | 2014-01-22 16:19:40 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2014-03-26 23:09:11 +0100 |
| commit | d83b0e82ad055920fb7f05f85b9466d97b7182db (patch) | |
| tree | b6caeac2222d6e76d53727b004c465d4b9ac4b45 /arch/mips | |
| parent | 829dcc0a956a2317631873d946b5a5c2b0bf53ee (diff) | |
MIPS: Allow FTLB to be turned on for CPU_P5600
Allow FTLB to be turned on or off for CPU_P5600 as well as CPU_PROAPTIV.
The existing if statement is converted into a switch to allow for future
expansion.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Reviewed-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/6411/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 0b9bbcb64afd..ee5de360636d 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -181,11 +181,12 @@ static char unknown_isa[] = KERN_ERR \ static void set_ftlb_enable(struct cpuinfo_mips *c, int enable) { unsigned int config6; - /* - * Config6 is implementation dependent and it's currently only - * used by proAptiv - */ - if (c->cputype == CPU_PROAPTIV) { + + /* It's implementation dependent how the FTLB can be enabled */ + switch (c->cputype) { + case CPU_PROAPTIV: + case CPU_P5600: + /* proAptiv & related cores use Config6 to enable the FTLB */ config6 = read_c0_config6(); if (enable) /* Enable FTLB */ @@ -194,6 +195,7 @@ static void set_ftlb_enable(struct cpuinfo_mips *c, int enable) /* Disable FTLB */ write_c0_config6(config6 & ~MIPS_CONF6_FTLBEN); back_to_back_c0_hazard(); + break; } } |