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<div dir="ltr" style="font-family: Aptos; font-size: 15.4px;"><span style="color: rgb(33, 33, 33); text-transform: none;">Acked-by: Selwin Sebastian<</span><span style="color: rgb(15, 108, 189); text-transform: none;">selwin.sebastian@amd.com</span><span style="color: rgb(33, 33, 33); text-transform: none;">></span></div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Govindaiah, Vinay <Vinay.Govindaiah@amd.com><br>
<b>Sent:</b> Tuesday, December 2, 2025 12:41:52 PM<br>
<b>To:</b> dev@dpdk.org <dev@dpdk.org><br>
<b>Cc:</b> Sebastian, Selwin <Selwin.Sebastian@amd.com>; Govindaiah, Vinay <Vinay.Govindaiah@amd.com><br>
<b>Subject:</b> [PATCH] net/axgbe: add support for V4000 Kracken2e</font>
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<div class="PlainText">add device ID's for Kracken2e to enable<br>
driver to support this device.<br>
<br>
Signed-off-by: Vinay Govindaiah <vigovind@amd.com><br>
---<br>
drivers/net/axgbe/axgbe_common.h | 2 ++<br>
drivers/net/axgbe/axgbe_ethdev.c | 16 ++++++++++++++++<br>
2 files changed, 18 insertions(+)<br>
<br>
diff --git a/drivers/net/axgbe/axgbe_common.h b/drivers/net/axgbe/axgbe_common.h<br>
index 93e6c177b6..6e4e23027d 100644<br>
--- a/drivers/net/axgbe/axgbe_common.h<br>
+++ b/drivers/net/axgbe/axgbe_common.h<br>
@@ -905,6 +905,8 @@<br>
#define PCS_V2_RV_WINDOW_SELECT 0x1064<br>
#define PCS_V2_YC_WINDOW_DEF 0x18060<br>
#define PCS_V2_YC_WINDOW_SELECT 0x18064<br>
+#define PCS_KR_WINDOW_SELECT 0x8080<br>
+#define PCS_KR_WINDOW_DEF 0x8060<br>
<br>
/* PCS register entry bit positions and sizes */<br>
#define PCS_V2_WINDOW_DEF_OFFSET_INDEX 6<br>
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c<br>
index cf3b0d9ef5..aa7d332b44 100644<br>
--- a/drivers/net/axgbe/axgbe_ethdev.c<br>
+++ b/drivers/net/axgbe/axgbe_ethdev.c<br>
@@ -185,6 +185,7 @@ static const struct axgbe_xstats axgbe_xstats_strings[] = {<br>
<br>
#define Fam17h 0x17<br>
#define Fam19h 0x19<br>
+#define Fam1Ah 0x1A<br>
<br>
#define CPUID_VENDOR_AuthenticAMD_ebx 0x68747541<br>
#define CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163<br>
@@ -2291,6 +2292,21 @@ eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)<br>
unknown_cpu = 1;<br>
}<br>
break;<br>
+ case Fam1Ah:<br>
+ /* V4000 (krackan2e) */<br>
+ if (cpu_model == 0x68) {<br>
+ pdata->xpcs_window_def_reg = PCS_KR_WINDOW_DEF;<br>
+ pdata->xpcs_window_sel_reg = PCS_KR_WINDOW_SELECT;<br>
+<br>
+ /* V4000-Krkan2e devices do not need cdr workaround */<br>
+ pdata->vdata->an_cdr_workaround = 0;<br>
+<br>
+ /* V4000-Krkan2e devices do not need rrc */<br>
+ pdata->vdata->enable_rrc = 0;<br>
+ } else {<br>
+ unknown_cpu = 1;<br>
+ }<br>
+ break;<br>
default:<br>
unknown_cpu = 1;<br>
break;<br>
-- <br>
2.34.1<br>
<br>
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