add DDR4 calib complete latched bits.
Signed-off-by: Serhii Iliushyk <[email protected]>
---
.../core/nt400dxx/reset/nthw_fpga_rst9569.c | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst9569.c
b/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst9569.c
index 5e127ecc86..e416e739da 100644
--- a/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst9569.c
+++ b/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst9569.c
@@ -84,6 +84,13 @@ static bool
nthw_fpga_rst9569_get_ddr4_calib_complete_stat(struct nthw_fpga_rst_
return nthw_field_get_updated(p->p_fld_stat_ddr4_calib_complete) != 0;
}
+static void nthw_fpga_rst9569_set_ddr4_calib_complete_latch(struct
nthw_fpga_rst_nt400dxx *const p,
+ uint32_t val)
+{
+ nthw_field_update_register(p->p_fld_latch_ddr4_calib_complete);
+ nthw_field_set_val_flush32(p->p_fld_latch_ddr4_calib_complete, val);
+}
+
static int nthw_fpga_rst9569_wait_ddr4_calibration_complete(struct fpga_info_s
*p_fpga_info,
struct nthw_fpga_rst_nt400dxx *p_rst)
{
@@ -127,6 +134,11 @@ static int
nthw_fpga_rst9569_wait_ddr4_calibration_complete(struct fpga_info_s *
return 0;
}
+static bool nthw_fpga_rst9569_get_ddr4_calib_complete_latch(struct
nthw_fpga_rst_nt400dxx *const p)
+{
+ return nthw_field_get_updated(p->p_fld_latch_ddr4_calib_complete) != 0;
+}
+
static int nthw_fpga_rst9569_product_reset(struct fpga_info_s *p_fpga_info,
struct nthw_fpga_rst_nt400dxx *p_rst)
{
@@ -163,6 +175,18 @@ static int nthw_fpga_rst9569_product_reset(struct
fpga_info_s *p_fpga_info,
return res;
}
+ /* (3) Set DDR4 calib complete latched bits: */
+ nthw_fpga_rst9569_set_ddr4_calib_complete_latch(p_rst, 1);
+
+ /* Wait for phy to settle. */
+ nthw_os_wait_usec(20000);
+
+ /* (4) Ensure all latched status bits are still set: */
+ if (!nthw_fpga_rst9569_get_ddr4_calib_complete_latch(p_rst)) {
+ NT_LOG(ERR, NTHW, "%s: %s: DDR4 calibration complete has
toggled",
+ p_adapter_id_str, __func__);
+ }
+
return 0;
}
--
2.45.0
