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From patchwork Thu Sep 8 19:33:38 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Lorenzo Bianconi <lorenzo@kernel.org>
X-Patchwork-Id: 12970556
X-Patchwork-Delegate: kuba@kernel.org
From: Lorenzo Bianconi <lorenzo@kernel.org>
To: netdev@vger.kernel.org
Cc: nbd@nbd.name, john@phrozen.org, sean.wang@mediatek.com,
Mark-MC.Lee@mediatek.com, davem@davemloft.net, edumazet@google.com,
kuba@kernel.org, pabeni@redhat.com, matthias.bgg@gmail.com,
linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com,
Bo.Jiao@mediatek.com, sujuan.chen@mediatek.com,
ryder.Lee@mediatek.com, evelyn.tsai@mediatek.com,
devicetree@vger.kernel.org, robh@kernel.org
Subject: [PATCH net-next 03/12] net: ethernet: mtk_eth_soc: move gdma_to_ppe
and ppe_base definitions in mtk register map
Date: Thu, 8 Sep 2022 21:33:37 +0200
Message-Id:
<95938fc9cbe0223714be2658a49ca58e9baace00.1662661555.git.lorenzo@kernel.org>
X-Mailer: git-send-email 2.37.3
In-Reply-To: <cover.1662661555.git.lorenzo@kernel.org>
References: <cover.1662661555.git.lorenzo@kernel.org>
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
This is a preliminary patch to introduce mt7986 hw packet engine.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 15 +++++++++++----
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 3 ++-
drivers/net/ethernet/mediatek/mtk_ppe.h | 2 --
3 files changed, 13 insertions(+), 7 deletions(-)
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -73,6 +73,8 @@ static const struct mtk_reg_map mtk_reg_
.fq_blen = 0x1b2c,
},
.gdm1_cnt = 0x2400,
+ .gdma_to_ppe0 = 0x4444,
+ .ppe_base = 0x0c00,
};
static const struct mtk_reg_map mt7628_reg_map = {
@@ -126,6 +128,8 @@ static const struct mtk_reg_map mt7986_r
.fq_blen = 0x472c,
},
.gdm1_cnt = 0x1c00,
+ .gdma_to_ppe0 = 0x3333,
+ .ppe_base = 0x2000,
};
/* strings used by ethtool */
@@ -2928,6 +2932,7 @@ static int mtk_open(struct net_device *d
/* we run 2 netdevs on the same dma ring so we only bring it up once */
if (!refcount_read(ð->dma_refcnt)) {
+ const struct mtk_soc_data *soc = eth->soc;
u32 gdm_config = MTK_GDMA_TO_PDMA;
int err;
@@ -2937,15 +2942,15 @@ static int mtk_open(struct net_device *d
return err;
}
- if (eth->soc->offload_version && mtk_ppe_start(eth->ppe) == 0)
- gdm_config = MTK_GDMA_TO_PPE;
+ if (soc->offload_version && mtk_ppe_start(eth->ppe) == 0)
+ gdm_config = soc->reg_map->gdma_to_ppe0;
mtk_gdm_config(eth, gdm_config);
napi_enable(ð->tx_napi);
napi_enable(ð->rx_napi);
mtk_tx_irq_enable(eth, MTK_TX_DONE_INT);
- mtk_rx_irq_enable(eth, eth->soc->txrx.rx_irq_done_mask);
+ mtk_rx_irq_enable(eth, soc->txrx.rx_irq_done_mask);
refcount_set(ð->dma_refcnt, 1);
}
else
@@ -4044,7 +4049,9 @@ static int mtk_probe(struct platform_dev
}
if (eth->soc->offload_version) {
- eth->ppe = mtk_ppe_init(eth, eth->base + MTK_ETH_PPE_BASE, 2);
+ u32 ppe_addr = eth->soc->reg_map->ppe_base;
+
+ eth->ppe = mtk_ppe_init(eth, eth->base + ppe_addr, 2);
if (!eth->ppe) {
err = -ENOMEM;
goto err_free_dev;
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -105,7 +105,6 @@
#define MTK_GDMA_TCS_EN BIT(21)
#define MTK_GDMA_UCS_EN BIT(20)
#define MTK_GDMA_TO_PDMA 0x0
-#define MTK_GDMA_TO_PPE 0x4444
#define MTK_GDMA_DROP_ALL 0x7777
/* Unicast Filter MAC Address Register - Low */
@@ -953,6 +952,8 @@ struct mtk_reg_map {
u32 fq_blen; /* fq free page buffer length */
} qdma;
u32 gdm1_cnt;
+ u32 gdma_to_ppe0;
+ u32 ppe_base;
};
/* struct mtk_eth_data - This is the structure holding all differences
--- a/drivers/net/ethernet/mediatek/mtk_ppe.h
+++ b/drivers/net/ethernet/mediatek/mtk_ppe.h
@@ -8,8 +8,6 @@
#include <linux/bitfield.h>
#include <linux/rhashtable.h>
-#define MTK_ETH_PPE_BASE 0xc00
-
#define MTK_PPE_ENTRIES_SHIFT 3
#define MTK_PPE_ENTRIES (1024 << MTK_PPE_ENTRIES_SHIFT)
#define MTK_PPE_HASH_MASK (MTK_PPE_ENTRIES - 1)
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