[AMD Official Use Only - AMD Internal Distribution Only] Acked-by: Selwin Sebastian Get Outlook for iOS ________________________________ From: Govindaiah, Vinay Sent: Tuesday, December 2, 2025 12:41:52 PM To: dev@dpdk.org Cc: Sebastian, Selwin ; Govindaiah, Vinay Subject: [PATCH] net/axgbe: add support for V4000 Kracken2e add device ID's for Kracken2e to enable driver to support this device. Signed-off-by: Vinay Govindaiah --- drivers/net/axgbe/axgbe_common.h | 2 ++ drivers/net/axgbe/axgbe_ethdev.c | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/drivers/net/axgbe/axgbe_common.h b/drivers/net/axgbe/axgbe_common.h index 93e6c177b6..6e4e23027d 100644 --- a/drivers/net/axgbe/axgbe_common.h +++ b/drivers/net/axgbe/axgbe_common.h @@ -905,6 +905,8 @@ #define PCS_V2_RV_WINDOW_SELECT 0x1064 #define PCS_V2_YC_WINDOW_DEF 0x18060 #define PCS_V2_YC_WINDOW_SELECT 0x18064 +#define PCS_KR_WINDOW_SELECT 0x8080 +#define PCS_KR_WINDOW_DEF 0x8060 /* PCS register entry bit positions and sizes */ #define PCS_V2_WINDOW_DEF_OFFSET_INDEX 6 diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c index cf3b0d9ef5..aa7d332b44 100644 --- a/drivers/net/axgbe/axgbe_ethdev.c +++ b/drivers/net/axgbe/axgbe_ethdev.c @@ -185,6 +185,7 @@ static const struct axgbe_xstats axgbe_xstats_strings[] = { #define Fam17h 0x17 #define Fam19h 0x19 +#define Fam1Ah 0x1A #define CPUID_VENDOR_AuthenticAMD_ebx 0x68747541 #define CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163 @@ -2291,6 +2292,21 @@ eth_axgbe_dev_init(struct rte_eth_dev *eth_dev) unknown_cpu = 1; } break; + case Fam1Ah: + /* V4000 (krackan2e) */ + if (cpu_model == 0x68) { + pdata->xpcs_window_def_reg = PCS_KR_WINDOW_DEF; + pdata->xpcs_window_sel_reg = PCS_KR_WINDOW_SELECT; + + /* V4000-Krkan2e devices do not need cdr workaround */ + pdata->vdata->an_cdr_workaround = 0; + + /* V4000-Krkan2e devices do not need rrc */ + pdata->vdata->enable_rrc = 0; + } else { + unknown_cpu = 1; + } + break; default: unknown_cpu = 1; break; -- 2.34.1