diff options
author | Lars-Peter Clausen <lars@metafoo.de> | 2010-07-17 11:07:51 (GMT) |
---|---|---|
committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 12:26:12 (GMT) |
commit | 83ccf69d8f118306e90af703f32109edb6c1e4a1 (patch) | |
tree | 4fbbfdf6e9f57eeafd2b79d11b2208ba915c5f29 /arch/mips/kernel/cpu-probe.c | |
parent | babba4f11379fb3804de802a3d0bc6b96c59d547 (diff) | |
download | linux-fsl-qoriq-83ccf69d8f118306e90af703f32109edb6c1e4a1.tar.xz |
MIPS: JZ4740: Add base support for Ingenic JZ4740 System-on-a-Chip
Adds a new cpu type for the JZ4740 to the Linux MIPS architecture code.
It also adds the iomem addresses for the different components found on
a JZ4740 SoC.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/1464/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r-- | arch/mips/kernel/cpu-probe.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 3562b85..9b663317 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -187,6 +187,7 @@ void __init check_wait(void) case CPU_BCM6358: case CPU_CAVIUM_OCTEON: case CPU_CAVIUM_OCTEON_PLUS: + case CPU_JZRISC: cpu_wait = r4k_wait; break; @@ -956,6 +957,22 @@ platform: } } +static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu) +{ + decode_configs(c); + /* JZRISC does not implement the CP0 counter. */ + c->options &= ~MIPS_CPU_COUNTER; + switch (c->processor_id & 0xff00) { + case PRID_IMP_JZRISC: + c->cputype = CPU_JZRISC; + __cpu_name[cpu] = "Ingenic JZRISC"; + break; + default: + panic("Unknown Ingenic Processor ID!"); + break; + } +} + const char *__cpu_name[NR_CPUS]; const char *__elf_platform; @@ -994,6 +1011,9 @@ __cpuinit void cpu_probe(void) case PRID_COMP_CAVIUM: cpu_probe_cavium(c, cpu); break; + case PRID_COMP_INGENIC: + cpu_probe_ingenic(c, cpu); + break; } BUG_ON(!__cpu_name[cpu]); |