diff options
| author | David Daney <david.daney@cavium.com> | 2016-02-09 22:00:09 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 15:01:40 +0300 |
| commit | 182a6d1cd393226350ec22d973d2139adb194daa (patch) | |
| tree | c44bf7c491d87f526ecaa7755aa514ed1996e95b /arch/mips/include/asm/octeon/cvmx.h | |
| parent | 2df11221bdc32f62ff1d8b6b945a8b19bf2a681c (diff) | |
| download | linux-182a6d1cd393226350ec22d973d2139adb194daa.tar.xz | |
MIPS: OCTEON: Add model checking support for cn73xx, cnf75xx and cn78xx
Follow on patchs need to be able to distinguish the new models.
Signed-off-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12498/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx.h b/arch/mips/include/asm/octeon/cvmx.h index 3e982e0c397e..2530e8731c8a 100644 --- a/arch/mips/include/asm/octeon/cvmx.h +++ b/arch/mips/include/asm/octeon/cvmx.h @@ -57,6 +57,7 @@ enum cvmx_mips_space { #include <asm/octeon/cvmx-sysinfo.h> #include <asm/octeon/cvmx-ciu-defs.h> +#include <asm/octeon/cvmx-ciu3-defs.h> #include <asm/octeon/cvmx-gpio-defs.h> #include <asm/octeon/cvmx-iob-defs.h> #include <asm/octeon/cvmx-ipd-defs.h> @@ -341,6 +342,21 @@ static inline unsigned int cvmx_get_core_num(void) return core_num; } +/* Maximum # of bits to define core in node */ +#define CVMX_NODE_NO_SHIFT 7 +#define CVMX_NODE_MASK 0x3 +static inline unsigned int cvmx_get_node_num(void) +{ + unsigned int core_num = cvmx_get_core_num(); + + return (core_num >> CVMX_NODE_NO_SHIFT) & CVMX_NODE_MASK; +} + +static inline unsigned int cvmx_get_local_core_num(void) +{ + return cvmx_get_core_num() & ((1 << CVMX_NODE_NO_SHIFT) - 1); +} + /** * Returns the number of bits set in the provided value. * Simple wrapper for POP instruction. @@ -448,8 +464,15 @@ static inline uint64_t cvmx_get_cycle_global(void) /* Return the number of cores available in the chip */ static inline uint32_t cvmx_octeon_num_cores(void) { - uint32_t ciu_fuse = (uint32_t) cvmx_read_csr(CVMX_CIU_FUSE) & 0xffff; - return cvmx_pop(ciu_fuse); + u64 ciu_fuse_reg; + u64 ciu_fuse; + + if (OCTEON_IS_OCTEON3() && !OCTEON_IS_MODEL(OCTEON_CN70XX)) + ciu_fuse_reg = CVMX_CIU3_FUSE; + else + ciu_fuse_reg = CVMX_CIU_FUSE; + ciu_fuse = cvmx_read_csr(ciu_fuse_reg); + return cvmx_dpop(ciu_fuse); } #endif /* __CVMX_H__ */ |