diff options
author | Aurelien Jarno <aurelien@aurel32.net> | 2007-09-25 15:40:12 +0200 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-12 00:46:02 +0200 |
commit | 1c0c13eb935c95fd2ca0b0aca6dd4860487fb242 (patch) | |
tree | a274a6e2e56f519900fb35c544ddf279f38ca8d6 /arch/mips/kernel | |
parent | [MIPS] JAZZ fixes (diff) | |
download | linux-1c0c13eb935c95fd2ca0b0aca6dd4860487fb242.tar.xz linux-1c0c13eb935c95fd2ca0b0aca6dd4860487fb242.zip |
[MIPS] Add support for BCM47XX CPUs.
Note that the BCM4710 does not support the wait instruction, this
is not a mistake in the code.
It originally comes from the OpenWrt patches.
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Florian Schirmer <jolt@tuxbox.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r-- | arch/mips/kernel/cpu-probe.c | 20 | ||||
-rw-r--r-- | arch/mips/kernel/proc.c | 2 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 3e004161ebd5..97c03865c06a 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -159,6 +159,7 @@ static inline void check_wait(void) case CPU_5KC: case CPU_25KF: case CPU_PR4450: + case CPU_BCM3302: cpu_wait = r4k_wait; break; @@ -793,6 +794,22 @@ static inline void cpu_probe_philips(struct cpuinfo_mips *c) } +static inline void cpu_probe_broadcom(struct cpuinfo_mips *c) +{ + decode_configs(c); + switch (c->processor_id & 0xff00) { + case PRID_IMP_BCM3302: + c->cputype = CPU_BCM3302; + break; + case PRID_IMP_BCM4710: + c->cputype = CPU_BCM4710; + break; + default: + c->cputype = CPU_UNKNOWN; + break; + } +} + __init void cpu_probe(void) { struct cpuinfo_mips *c = ¤t_cpu_data; @@ -815,6 +832,9 @@ __init void cpu_probe(void) case PRID_COMP_SIBYTE: cpu_probe_sibyte(c); break; + case PRID_COMP_BROADCOM: + cpu_probe_broadcom(c); + break; case PRID_COMP_SANDCRAFT: cpu_probe_sandcraft(c); break; diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index ec04f5a1a5ea..accd5201d0e1 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -82,6 +82,8 @@ static const char *cpu_name[] = { [CPU_VR4181] = "NEC VR4181", [CPU_VR4181A] = "NEC VR4181A", [CPU_SR71000] = "Sandcraft SR71000", + [CPU_BCM3302] = "Broadcom BCM3302", + [CPU_BCM4710] = "Broadcom BCM4710", [CPU_PR4450] = "Philips PR4450", [CPU_LOONGSON2] = "ICT Loongson-2", }; |