diff options
Diffstat (limited to 'arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h')
| -rw-r--r-- | arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h index bbf054042395..0d5a42b5f47a 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h +++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h @@ -59,23 +59,20 @@ #define cpu_has_veic 0 #define cpu_hwrena_impl_bits 0xc0000000 -#define kernel_uses_smartmips_rixi (cpu_data[0].cputype == CPU_CAVIUM_OCTEON_PLUS) +#define kernel_uses_smartmips_rixi (cpu_data[0].cputype != CPU_CAVIUM_OCTEON) -#define ARCH_HAS_READ_CURRENT_TIMER 1 #define ARCH_HAS_IRQ_PER_CPU 1 #define ARCH_HAS_SPINLOCK_PREFETCH 1 #define spin_lock_prefetch(x) prefetch(x) #define PREFETCH_STRIDE 128 -static inline int read_current_timer(unsigned long *result) -{ - asm volatile ("rdhwr %0,$31\n" -#ifndef CONFIG_64BIT - "\tsll %0, 0" +#ifdef __OCTEON__ +/* + * All gcc versions that have OCTEON support define __OCTEON__ and have the + * __builtin_popcount support. + */ +#define ARCH_HAS_USABLE_BUILTIN_POPCOUNT 1 #endif - : "=r" (*result)); - return 0; -} static inline int octeon_has_saa(void) { @@ -84,4 +81,10 @@ static inline int octeon_has_saa(void) return id >= 0x000d0300; } +/* + * The last 256MB are reserved for device to device mappings and the + * BAR1 hole. + */ +#define MAX_DMA32_PFN (((1ULL << 32) - (1ULL << 28)) >> PAGE_SHIFT) + #endif |