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Commit 10241842 authored by Kumar Gala's avatar Kumar Gala Committed by galak
Browse files

powerpc: Add initial e6500 cpu support 



Add basic support for e6500 core in its single threaded mode.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent f0b8b341

arch/powerpc/include/asm/cputable.h

+8 −4
Original line number Diff line number Diff line
@@ -390,6 +390,10 @@ extern const char *powerpc_base_platform; 
	    CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \

	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \

	    CPU_FTR_DEBUG_LVL_EXC)

#define CPU_FTRS_E6500	(CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | \

	    CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE | \

	    CPU_FTR_DBELL | CPU_FTR_POPCNTB | CPU_FTR_POPCNTD | \

	    CPU_FTR_DEBUG_LVL_EXC)

#define CPU_FTRS_GENERIC_32	(CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)



/* 64-bit CPUs */
@@ -442,7 +446,7 @@ extern const char *powerpc_base_platform; 


#ifdef __powerpc64__

#ifdef CONFIG_PPC_BOOK3E

#define CPU_FTRS_POSSIBLE	(CPU_FTRS_E5500 | CPU_FTRS_A2)

#define CPU_FTRS_POSSIBLE	(CPU_FTRS_E6500 | CPU_FTRS_E5500 | CPU_FTRS_A2)

#else

#define CPU_FTRS_POSSIBLE	\

	    (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |	\
@@ -483,7 +487,7 @@ enum { 
#endif

#ifdef CONFIG_E500

	    CPU_FTRS_E500 | CPU_FTRS_E500_2 | CPU_FTRS_E500MC |

	    CPU_FTRS_E5500 |

	    CPU_FTRS_E5500 | CPU_FTRS_E6500 |

#endif

	    0,

};
@@ -491,7 +495,7 @@ enum { 


#ifdef __powerpc64__

#ifdef CONFIG_PPC_BOOK3E

#define CPU_FTRS_ALWAYS		(CPU_FTRS_E5500 & CPU_FTRS_A2)

#define CPU_FTRS_ALWAYS		(CPU_FTRS_E6500 & CPU_FTRS_E5500 & CPU_FTRS_A2)

#else

#define CPU_FTRS_ALWAYS		\

	    (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &	\
@@ -528,7 +532,7 @@ enum { 
#endif

#ifdef CONFIG_E500

	    CPU_FTRS_E500 & CPU_FTRS_E500_2 & CPU_FTRS_E500MC &

	    CPU_FTRS_E5500 &

	    CPU_FTRS_E5500 & CPU_FTRS_E6500 &

#endif

	    CPU_FTRS_POSSIBLE,

};

arch/powerpc/kernel/cputable.c

+18 −0
Original line number Diff line number Diff line
@@ -2019,6 +2019,24 @@ static struct cpu_spec __initdata cpu_specs[] = { 
		.machine_check		= machine_check_e500mc,

		.platform		= "ppce5500",

	},

	{	/* e6500 */

		.pvr_mask		= 0xffff0000,

		.pvr_value		= 0x80400000,

		.cpu_name		= "e6500",

		.cpu_features		= CPU_FTRS_E6500,

		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,

		.mmu_features		= MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |

			MMU_FTR_USE_TLBILX,

		.icache_bsize		= 64,

		.dcache_bsize		= 64,

		.num_pmcs		= 4,

		.oprofile_cpu_type	= "ppc/e6500",

		.oprofile_type		= PPC_OPROFILE_FSL_EMB,

		.cpu_setup		= __setup_cpu_e5500,

		.cpu_restore		= __restore_cpu_e5500,

		.machine_check		= machine_check_e500mc,

		.platform		= "ppce6500",

	},

#ifdef CONFIG_PPC32

	{	/* default match */

		.pvr_mask		= 0x00000000,