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authorCarl Heymann <carl.heymann@netronome.com>2017-12-04 23:34:21 +0100
committerDavid S. Miller <davem@davemloft.net>2017-12-05 15:01:03 -0500
commit60b84a9b3889a55503c6ffac56d69ecc060ad3b5 (patch)
tree147cfb71ebf595a78163a827827302ff5103d919 /drivers/net/ethernet/netronome/nfp/nfp_asm.h
parentnfp: dump CPP, XPB and direct ME CSRs (diff)
downloadlinux-dev-60b84a9b3889a55503c6ffac56d69ecc060ad3b5.tar.xz
linux-dev-60b84a9b3889a55503c6ffac56d69ecc060ad3b5.zip
nfp: dump indirect ME CSRs
- The spec defines CSR address ranges for indirect ME CSRs. For Each TLV chunk in the spec, dump a chunk that includes the spec and the data over the defined address range. - Each indirect CSR has 8 contexts. To read one context, first write the context to a specific derived address, read it back, and then read the register value. - For each address, read and dump all 8 contexts in this manner. Signed-off-by: Carl Heymann <carl.heymann@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_asm.h')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_asm.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_asm.h b/drivers/net/ethernet/netronome/nfp/nfp_asm.h
index 98803f9f40b6..3387e6926eb0 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_asm.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_asm.h
@@ -262,6 +262,7 @@ enum lcsr_wr_src {
#define OP_CARB_BASE 0x0e000000000ULL
#define OP_CARB_OR 0x00000010000ULL
+#define NFP_CSR_CTX_PTR 0x20
#define NFP_CSR_ACT_LM_ADDR0 0x64
#define NFP_CSR_ACT_LM_ADDR1 0x6c
#define NFP_CSR_ACT_LM_ADDR2 0x94
@@ -382,4 +383,13 @@ int swreg_to_restricted(swreg dst, swreg lreg, swreg rreg,
int nfp_ustore_check_valid_no_ecc(u64 insn);
u64 nfp_ustore_calc_ecc_insn(u64 insn);
+#define NFP_IND_ME_REFL_WR_SIG_INIT 3
+#define NFP_IND_ME_CTX_PTR_BASE_MASK GENMASK(9, 0)
+#define NFP_IND_NUM_CONTEXTS 8
+
+static inline u32 nfp_get_ind_csr_ctx_ptr_offs(u32 read_offset)
+{
+ return (read_offset & ~NFP_IND_ME_CTX_PTR_BASE_MASK) | NFP_CSR_CTX_PTR;
+}
+
#endif