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MIPS: Netlogic: XLP CPU support.

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Add support for Netlogic's XLP MIPS SoC. This patch adds:
* XLP processor ID in cpu_probe.c and asm/cpu.h
* XLP case to asm/module.h
* CPU_XLP case to mm/tlbex.c
* minor change to r4k cache handling to ignore XLP secondary cache
* XLP cpu overrides to mach-netlogic/cpu-feature-overrides.h

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2966/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Jayachandran C
2011-11-16 00:21:20 +00:00
committed by Ralf Baechle
parent 0be3d9bb14
commit a3d4fb2d2a
5 changed files with 37 additions and 8 deletions
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3
arch/mips/include/asm/cpu.h
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@@ -170,6 +170,7 @@
#define PRID_IMP_NETLOGIC_XLS408B 0x4e00
#define PRID_IMP_NETLOGIC_XLS404B 0x4f00
#define PRID_IMP_NETLOGIC_XLP832 0x1000
/*
* Definitions for 7:0 on legacy processors
*/
@@ -263,7 +264,7 @@ enum cpu_type_enum {
*/
CPU_5KC, CPU_20KC, CPU_25KF, CPU_SB1, CPU_SB1A, CPU_LOONGSON2,
CPU_CAVIUM_OCTEON, CPU_CAVIUM_OCTEON_PLUS, CPU_CAVIUM_OCTEON2,
CPU_XLR,
CPU_XLR, CPU_XLP,
CPU_LAST
};

18
arch/mips/include/asm/mach-netlogic/cpu-feature-overrides.h
View File

@@ -24,23 +24,33 @@
#define cpu_has_llsc 1
#define cpu_has_vtag_icache 0
#define cpu_has_dc_aliases 0
#define cpu_has_ic_fills_f_dc 1
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
#define cpu_has_userlocal 0
#define cpu_icache_snoops_remote_store 1
#define cpu_has_64bits 1
#define cpu_has_mips32r1 1
#define cpu_has_mips32r2 0
#define cpu_has_mips64r1 1
#define cpu_has_mips64r2 0
#define cpu_has_inclusive_pcaches 0
#define cpu_dcache_line_size() 32
#define cpu_icache_line_size() 32
#if defined(CONFIG_CPU_XLR)
#define cpu_has_userlocal 0
#define cpu_has_dc_aliases 0
#define cpu_has_mips32r2 0
#define cpu_has_mips64r2 0
#elif defined(CONFIG_CPU_XLP)
#define cpu_has_userlocal 1
#define cpu_has_mips32r2 1
#define cpu_has_mips64r2 1
#define cpu_has_dc_aliases 1
#else
#error "Unknown Netlogic CPU"
#endif
#endif /* __ASM_MACH_NETLOGIC_CPU_FEATURE_OVERRIDES_H */

2
arch/mips/include/asm/module.h
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@@ -120,6 +120,8 @@ search_module_dbetables(unsigned long addr)
#define MODULE_PROC_FAMILY "OCTEON "
#elif defined CONFIG_CPU_XLR
#define MODULE_PROC_FAMILY "XLR "
#elif defined CONFIG_CPU_XLP
#define MODULE_PROC_FAMILY "XLP "
#else
#error MODULE_PROC_FAMILY undefined for your processor configuration
#endif