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 X-Patchwork-Id: 12970556 X-Patchwork-Delegate: kuba@kernel.org From: Lorenzo Bianconi 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: References: MIME-Version: 1.0 Precedence: bulk List-ID: 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 --- 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 */ @@ -2927,6 +2931,7 @@ 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; @@ -2936,15 +2941,15 @@ 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 @@ -4043,7 +4048,9 @@ 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 #include -#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)