Switch the setting of psl_fir_cntl from debug to production
environment recommended value. It mostly affects the PSL behavior when
an error is raised in psl_fir1/2.
Tested with cxlflash.
Signed-off-by: Frederic Barrat <fbar...@linux.vnet.ibm.com>
---
drivers/misc/cxl/pci.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index d152e2d..4be25c4 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -379,7 +379,7 @@ static int calc_capp_routing(struct pci_dev *dev, u64
*chipid, u64 *capp_unit_id
static int init_implementation_adapter_psl_regs(struct cxl *adapter, struct
pci_dev *dev)
{
- u64 psl_dsnctl;
+ u64 psl_dsnctl, psl_fircntl;
u64 chipid;
u64 capp_unit_id;
int rc;
@@ -398,8 +398,11 @@ static int init_implementation_adapter_psl_regs(struct cxl
*adapter, struct pci_
cxl_p1_write(adapter, CXL_PSL_RESLCKTO, 0x20000000200ULL);
/* snoop write mask */
cxl_p1_write(adapter, CXL_PSL_SNWRALLOC, 0x00000000FFFFFFFFULL);
- /* set fir_accum */
- cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, 0x0800000000000000ULL);
+ /* set fir_cntl to recommended value for production env */
+ psl_fircntl = (0x2ULL << (63-3)); /* ce_report */
+ psl_fircntl |= (0x1ULL << (63-6)); /* FIR_report */
+ psl_fircntl |= 0x1ULL; /* ce_thresh */
+ cxl_p1_write(adapter, CXL_PSL_FIR_CNTL, psl_fircntl);
/* for debugging with trace arrays */
cxl_p1_write(adapter, CXL_PSL_TRACE, 0x0000FF7C00000000ULL);
--
2.7.4
