bnx_nvram_read
if ((rc = bnx_nvram_read(sc, offset32, start, 4)))
if ((rc = bnx_nvram_read(sc, offset32 + len32 - 4,
if ((rc = bnx_nvram_read(sc, 0, data, 4)) != 0)
if ((rc = bnx_nvram_read(sc, 0x100, data, BNX_NVRAM_SIZE)) != 0)
int bnx_nvram_read(struct bnx_softc *, u_int32_t, u_int8_t *, int);