diff options
| author | Pete Popov <ppopov@embeddedalley.com> | 2005-07-14 19:47:57 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2005-10-29 20:31:54 +0200 |
| commit | bdf21b18b4abf983db38f04ef7fec88f47389867 (patch) | |
| tree | b7e551f09f0ee39f4a59132be4c0890e1ba80d91 /arch/mips/kernel | |
| parent | More AP / SP bits for the 34K, the Malta bits and things. Still wants (diff) | |
| download | linux-bdf21b18b4abf983db38f04ef7fec88f47389867.tar.xz linux-bdf21b18b4abf983db38f04ef7fec88f47389867.zip | |
Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 19 | ||||
| -rw-r--r-- | arch/mips/kernel/proc.c | 3 | ||||
| -rw-r--r-- | arch/mips/kernel/time.c | 3 |
3 files changed, 24 insertions, 1 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 844126b39ed3..70c8ad9bc8fc 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -121,6 +121,7 @@ static inline void check_wait(void) case CPU_24K: case CPU_25KF: case CPU_34K: + case CPU_PR4450: cpu_wait = r4k_wait; printk(" available.\n"); break; @@ -624,6 +625,21 @@ static inline void cpu_probe_sandcraft(struct cpuinfo_mips *c) } } +static inline void cpu_probe_philips(struct cpuinfo_mips *c) +{ + decode_configs(c); + switch (c->processor_id & 0xff00) { + case PRID_IMP_PR4450: + c->cputype = CPU_PR4450; + c->isa_level = MIPS_CPU_ISA_M32; + break; + default: + panic("Unknown Philips Core!"); /* REVISIT: die? */ + break; + } +} + + __init void cpu_probe(void) { struct cpuinfo_mips *c = ¤t_cpu_data; @@ -649,6 +665,9 @@ __init void cpu_probe(void) case PRID_COMP_SANDCRAFT: cpu_probe_sandcraft(c); break; + case PRID_COMP_PHILIPS: + cpu_probe_philips(c); + break; default: c->cputype = CPU_UNKNOWN; } diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 1bd40af508ed..e46a92d01d51 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -80,7 +80,8 @@ static const char *cpu_name[] = { [CPU_VR4133] = "NEC VR4133", [CPU_VR4181] = "NEC VR4181", [CPU_VR4181A] = "NEC VR4181A", - [CPU_SR71000] = "Sandcraft SR71000" + [CPU_SR71000] = "Sandcraft SR71000", + [CPU_PR4450] = "Philips PR4450", }; diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c index fbc153c8f833..a24651dfaaba 100644 --- a/arch/mips/kernel/time.c +++ b/arch/mips/kernel/time.c @@ -11,6 +11,7 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. */ +#include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> @@ -112,8 +113,10 @@ static void c0_timer_ack(void) { unsigned int count; +#ifndef CONFIG_SOC_PNX8550 /* pnx8550 resets to zero */ /* Ack this timer interrupt and set the next one. */ expirelo += cycles_per_jiffy; +#endif write_c0_compare(expirelo); /* Check to see if we have missed any timer interrupts. */ |