diff --git a/arch/metag/kernel/cachepart.c b/arch/metag/kernel/cachepart.c index 3a589dfb966b..c737edb5b2d5 100644 --- a/arch/metag/kernel/cachepart.c +++ b/arch/metag/kernel/cachepart.c @@ -24,15 +24,21 @@ unsigned int get_dcache_size(void) { unsigned int config2 = metag_in32(METAC_CORE_CONFIG2); - return 0x1000 << ((config2 & METAC_CORECFG2_DCSZ_BITS) - >> METAC_CORECFG2_DCSZ_S); + unsigned int sz = 0x1000 << ((config2 & METAC_CORECFG2_DCSZ_BITS) + >> METAC_CORECFG2_DCSZ_S); + if (config2 & METAC_CORECFG2_DCSMALL_BIT) + sz >>= 6; + return sz; } unsigned int get_icache_size(void) { unsigned int config2 = metag_in32(METAC_CORE_CONFIG2); - return 0x1000 << ((config2 & METAC_CORE_C2ICSZ_BITS) - >> METAC_CORE_C2ICSZ_S); + unsigned int sz = 0x1000 << ((config2 & METAC_CORE_C2ICSZ_BITS) + >> METAC_CORE_C2ICSZ_S); + if (config2 & METAC_CORECFG2_ICSMALL_BIT) + sz >>= 6; + return sz; } unsigned int get_global_dcache_size(void)