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Date: Fri, 20 May 2022 20:11:39 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: netdev@...r.kernel.org
Cc: nbd@....name, john@...ozen.org, sean.wang@...iatek.com,
Mark-MC.Lee@...iatek.com, davem@...emloft.net, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com, Sam.Shih@...iatek.com,
linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
robh@...nel.org, lorenzo.bianconi@...hat.com
Subject: [PATCH v3 net-next 16/16] net: ethernet: mtk_eth_soc: introduce support for mt7986 chipset
Add support for mt7986-eth driver available on mt7986 soc.
Tested-by: Sam Shih <sam.shih@...iatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 55 ++++++++++++++++++++-
drivers/net/ethernet/mediatek/mtk_eth_soc.h | 18 +++++++
2 files changed, 72 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index c034fd90dbdc..a9d4fd8945bb 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -87,6 +87,43 @@ static const struct mtk_reg_map mt7628_reg_map = {
},
};
+static const struct mtk_reg_map mt7986_reg_map = {
+ .tx_irq_mask = 0x461c,
+ .tx_irq_status = 0x4618,
+ .pdma = {
+ .rx_ptr = 0x6100,
+ .rx_cnt_cfg = 0x6104,
+ .pcrx_ptr = 0x6108,
+ .glo_cfg = 0x6204,
+ .rst_idx = 0x6208,
+ .delay_irq = 0x620c,
+ .irq_status = 0x6220,
+ .irq_mask = 0x6228,
+ .int_grp = 0x6250,
+ },
+ .qdma = {
+ .qtx_cfg = 0x4400,
+ .rx_ptr = 0x4500,
+ .rx_cnt_cfg = 0x4504,
+ .qcrx_ptr = 0x4508,
+ .glo_cfg = 0x4604,
+ .rst_idx = 0x4608,
+ .delay_irq = 0x460c,
+ .fc_th = 0x4610,
+ .int_grp = 0x4620,
+ .hred = 0x4644,
+ .ctx_ptr = 0x4700,
+ .dtx_ptr = 0x4704,
+ .crx_ptr = 0x4710,
+ .drx_ptr = 0x4714,
+ .fq_head = 0x4720,
+ .fq_tail = 0x4724,
+ .fq_count = 0x4728,
+ .fq_blen = 0x472c,
+ },
+ .gdm1_cnt = 0x1c00,
+};
+
/* strings used by ethtool */
static const struct mtk_ethtool_stats {
char str[ETH_GSTRING_LEN];
@@ -110,7 +147,7 @@ static const char * const mtk_clks_source_name[] = {
"ethif", "sgmiitop", "esw", "gp0", "gp1", "gp2", "fe", "trgpll",
"sgmii_tx250m", "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb",
"sgmii2_tx250m", "sgmii2_rx250m", "sgmii2_cdr_ref", "sgmii2_cdr_fb",
- "sgmii_ck", "eth2pll",
+ "sgmii_ck", "eth2pll", "wocpu0", "wocpu1", "netsys0", "netsys1"
};
void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg)
@@ -3694,6 +3731,21 @@ static const struct mtk_soc_data mt7629_data = {
},
};
+static const struct mtk_soc_data mt7986_data = {
+ .reg_map = &mt7986_reg_map,
+ .ana_rgc3 = 0x128,
+ .caps = MT7986_CAPS,
+ .required_clks = MT7986_CLKS_BITMAP,
+ .required_pctl = false,
+ .txrx = {
+ .txd_size = sizeof(struct mtk_tx_dma_v2),
+ .rxd_size = sizeof(struct mtk_rx_dma_v2),
+ .rx_irq_done_mask = MTK_RX_DONE_INT_V2,
+ .dma_max_len = MTK_TX_DMA_BUF_LEN_V2,
+ .dma_len_offset = 8,
+ },
+};
+
static const struct mtk_soc_data rt5350_data = {
.reg_map = &mt7628_reg_map,
.caps = MT7628_CAPS,
@@ -3716,6 +3768,7 @@ const struct of_device_id of_mtk_match[] = {
{ .compatible = "mediatek,mt7622-eth", .data = &mt7622_data},
{ .compatible = "mediatek,mt7623-eth", .data = &mt7623_data},
{ .compatible = "mediatek,mt7629-eth", .data = &mt7629_data},
+ { .compatible = "mediatek,mt7986-eth", .data = &mt7986_data},
{ .compatible = "ralink,rt5350-eth", .data = &rt5350_data},
{},
};
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
index 67482124de2a..0a632896451a 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
@@ -627,6 +627,10 @@ enum mtk_clks_map {
MTK_CLK_SGMII2_CDR_FB,
MTK_CLK_SGMII_CK,
MTK_CLK_ETH2PLL,
+ MTK_CLK_WOCPU0,
+ MTK_CLK_WOCPU1,
+ MTK_CLK_NETSYS0,
+ MTK_CLK_NETSYS1,
MTK_CLK_MAX
};
@@ -657,6 +661,16 @@ enum mtk_clks_map {
BIT(MTK_CLK_SGMII2_CDR_FB) | \
BIT(MTK_CLK_SGMII_CK) | \
BIT(MTK_CLK_ETH2PLL) | BIT(MTK_CLK_SGMIITOP))
+#define MT7986_CLKS_BITMAP (BIT(MTK_CLK_FE) | BIT(MTK_CLK_GP2) | BIT(MTK_CLK_GP1) | \
+ BIT(MTK_CLK_WOCPU1) | BIT(MTK_CLK_WOCPU0) | \
+ BIT(MTK_CLK_SGMII_TX_250M) | \
+ BIT(MTK_CLK_SGMII_RX_250M) | \
+ BIT(MTK_CLK_SGMII_CDR_REF) | \
+ BIT(MTK_CLK_SGMII_CDR_FB) | \
+ BIT(MTK_CLK_SGMII2_TX_250M) | \
+ BIT(MTK_CLK_SGMII2_RX_250M) | \
+ BIT(MTK_CLK_SGMII2_CDR_REF) | \
+ BIT(MTK_CLK_SGMII2_CDR_FB))
enum mtk_dev_state {
MTK_HW_INIT,
@@ -855,6 +869,10 @@ enum mkt_eth_capabilities {
MTK_MUX_U3_GMAC2_TO_QPHY | \
MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA)
+#define MT7986_CAPS (MTK_GMAC1_SGMII | MTK_GMAC2_SGMII | \
+ MTK_MUX_GMAC12_TO_GEPHY_SGMII | MTK_QDMA | \
+ MTK_NETSYS_V2 | MTK_RSTCTRL_PPE1)
+
struct mtk_tx_dma_desc_info {
dma_addr_t addr;
u32 size;
--
2.35.3
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