1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
From patchwork Tue Mar 21 17:33:59 2023
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-Patchwork-Submitter: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?=
<noltari@gmail.com>
X-Patchwork-Id: 13183005
X-Patchwork-Delegate: kuba@kernel.org
Return-Path: <netdev-owner@vger.kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
by smtp.lore.kernel.org (Postfix) with ESMTP id 31BE4C761A6
for <netdev@archiver.kernel.org>; Tue, 21 Mar 2023 17:35:16 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
id S229674AbjCURfN (ORCPT <rfc822;netdev@archiver.kernel.org>);
Tue, 21 Mar 2023 13:35:13 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47684 "EHLO
lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
with ESMTP id S230327AbjCURfB (ORCPT
<rfc822;netdev@vger.kernel.org>); Tue, 21 Mar 2023 13:35:01 -0400
Received: from mail-wr1-x436.google.com (mail-wr1-x436.google.com
[IPv6:2a00:1450:4864:20::436])
by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1D855507D;
Tue, 21 Mar 2023 10:34:27 -0700 (PDT)
Received: by mail-wr1-x436.google.com with SMTP id i9so14537769wrp.3;
Tue, 21 Mar 2023 10:34:27 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=gmail.com; s=20210112; t=1679420066;
h=content-transfer-encoding:mime-version:references:in-reply-to
:message-id:date:subject:cc:to:from:from:to:cc:subject:date
:message-id:reply-to;
bh=asmFs22xWYwR1Ql9m/IrNv+MPUNDn8hSjmwDRYvO7mE=;
b=Cqj2C6aG5vEOlhh9N3ybvDA0CV38nhQODnfdnr7utNddd323iDagoJty1Wmi3MAzj1
5ORmYT5fQvUnild7C4RhcCNTBn+MoYZ+wDZwZYelu6BKHkW11YFK949ax5B50by+ASR2
z+rGI3wR5fVXd4VDgmcsT6zF5x69wKyhbhqIfrhG9BVFTctfaBgDS/l+bX1C56kSqv82
bQkKSSAehSLGpFoCU3q62OGoZVi3jDe6HDb5M1Dp2mgHhqsW19otZpJ57DjtZ1CmtPai
o7T/ew6WoIYSl6whBmV36jeNaDJ3TItOBrKc4nMJBDWaCg4DNzUSe0ei5Xz7Oik5lb3p
y9ew==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20210112; t=1679420066;
h=content-transfer-encoding:mime-version:references:in-reply-to
:message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc
:subject:date:message-id:reply-to;
bh=asmFs22xWYwR1Ql9m/IrNv+MPUNDn8hSjmwDRYvO7mE=;
b=UdI2iQNBYwRf40ivf3ROR132t95BU/p3RUzXdZLCyz6c6JWtECQ5byyGeEwoX10n5u
HlepoNTJxMFLYrAHGvNLDPpWPuLXMa645S1mCVZ7NyWp8W96XzSynNZPeXHuJdb464QU
A7UTRSW3mlvKe9OR3EcB2CfBZv0yHWR0ldbnxcxGUFw8z78PNqpOVnITtjBdfpGesJ9c
VJw+fiM6hCcahor4nk9LLcAryPm8xmhDLxBKaLILO8wyTUiHY8G9hsXnFCtcpetnF5wS
pW13beAE+odb7ZZaXZUYpWGYhCe/hLzNjbo8YpgzHwadZthxPrT5YvNIYwyrvoViLM0n
KDRQ==
X-Gm-Message-State: AO0yUKW+9H/kqcAUyWeZhZJhiJjsBcYn1THmZaSDrPrk/pNuGXJXGtJd
NgsGZW8iSqLEv81yK+U5Os8=
X-Google-Smtp-Source:
AK7set/lzQZwCSxVaOe5dZ+7TR3xaQty/vg5xvZDpRW8TwTiPQblIbw5kJJTPLp67RySehrPIlCqSg==
X-Received: by 2002:a5d:65c9:0:b0:2ce:ac31:54ff with SMTP id
e9-20020a5d65c9000000b002ceac3154ffmr2776515wrw.2.1679420066191;
Tue, 21 Mar 2023 10:34:26 -0700 (PDT)
Received: from atlantis.lan (255.red-79-146-124.dynamicip.rima-tde.net.
[79.146.124.255])
by smtp.gmail.com with ESMTPSA id
b13-20020a056000054d00b002da1261aa44sm184775wrf.48.2023.03.21.10.34.24
(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
Tue, 21 Mar 2023 10:34:25 -0700 (PDT)
From: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>
To: f.fainelli@gmail.com, jonas.gorski@gmail.com, andrew@lunn.ch,
olteanv@gmail.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, netdev@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: =?utf-8?q?=C3=81lvaro_Fern=C3=A1ndez_Rojas?= <noltari@gmail.com>,
Simon Horman <simon.horman@corigine.com>
Subject: [PATCH v2 4/4] net: dsa: b53: add BCM63268 RGMII configuration
Date: Tue, 21 Mar 2023 18:33:59 +0100
Message-Id: <20230321173359.251778-5-noltari@gmail.com>
X-Mailer: git-send-email 2.30.2
In-Reply-To: <20230321173359.251778-1-noltari@gmail.com>
References: <20230320155024.164523-1-noltari@gmail.com>
<20230321173359.251778-1-noltari@gmail.com>
MIME-Version: 1.0
Precedence: bulk
List-ID: <netdev.vger.kernel.org>
X-Mailing-List: netdev@vger.kernel.org
X-Patchwork-Delegate: kuba@kernel.org
BCM63268 requires special RGMII configuration to work.
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
---
v2: no changes.
drivers/net/dsa/b53/b53_common.c | 6 +++++-
drivers/net/dsa/b53/b53_regs.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1240,8 +1240,12 @@ static void b53_adjust_63xx_rgmii(struct
break;
}
- if (port != dev->imp_port)
+ if (port != dev->imp_port) {
+ if (is63268(dev))
+ rgmii_ctrl |= RGMII_CTRL_MII_OVERRIDE;
+
rgmii_ctrl |= RGMII_CTRL_ENABLE_GMII;
+ }
b53_write8(dev, B53_CTRL_PAGE, off, rgmii_ctrl);
--- a/drivers/net/dsa/b53/b53_regs.h
+++ b/drivers/net/dsa/b53/b53_regs.h
@@ -138,6 +138,7 @@
#define B53_RGMII_CTRL_IMP 0x60
#define RGMII_CTRL_ENABLE_GMII BIT(7)
+#define RGMII_CTRL_MII_OVERRIDE BIT(6)
#define RGMII_CTRL_TIMING_SEL BIT(2)
#define RGMII_CTRL_DLL_RXC BIT(1)
#define RGMII_CTRL_DLL_TXC BIT(0)
|
