diff options
Diffstat (limited to 'drivers/misc/cxl')
| -rw-r--r-- | drivers/misc/cxl/cxl.h | 7 | ||||
| -rw-r--r-- | drivers/misc/cxl/pci.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/misc/cxl/cxl.h b/drivers/misc/cxl/cxl.h index 28078f8894a5..0df04380bfd6 100644 --- a/drivers/misc/cxl/cxl.h +++ b/drivers/misc/cxl/cxl.h @@ -287,6 +287,13 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0}; #define CXL_PE_SOFTWARE_STATE_S (1ul << (31 - 30)) /* Suspend */ #define CXL_PE_SOFTWARE_STATE_T (1ul << (31 - 31)) /* Terminate */ +/****** CXL_PSL_RXCTL_An (Implementation Specific) ************************** + * Controls AFU Hang Pulse, which sets the timeout for the AFU to respond to + * the PSL for any response (except MMIO). Timeouts will occur between 1x to 2x + * of the hang pulse frequency. + */ +#define CXL_PSL_RXCTL_AFUHP_4S 0x7000000000000000ULL + /* SPA->sw_command_status */ #define CXL_SPA_SW_CMD_MASK 0xffff000000000000ULL #define CXL_SPA_SW_CMD_TERMINATE 0x0001000000000000ULL diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 0f2cc9f8b4db..2ccd0a91d486 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -348,7 +348,7 @@ static int init_implementation_afu_regs(struct cxl_afu *afu) cxl_p1n_write(afu, CXL_PSL_COALLOC_A, 0xFF000000FEFEFEFEULL); /* for debugging with trace arrays */ cxl_p1n_write(afu, CXL_PSL_SLICE_TRACE, 0x0000FFFF00000000ULL); - cxl_p1n_write(afu, CXL_PSL_RXCTL_A, 0xF000000000000000ULL); + cxl_p1n_write(afu, CXL_PSL_RXCTL_A, CXL_PSL_RXCTL_AFUHP_4S); return 0; } |