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openwrt/target/linux/generic/backport-6.6/752-13-v6.7-net-ethernet-mt...

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From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Mon, 18 Sep 2023 12:29:12 +0200
Subject: [PATCH] net: ethernet: mtk_wed: add mtk_wed_soc_data structure
Introduce mtk_wed_soc_data utility structure to contain per-SoC
definitions.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
---
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -49,6 +49,26 @@ struct mtk_wed_flow_block_priv {
struct net_device *dev;
};
+static const struct mtk_wed_soc_data mt7622_data = {
+ .regmap = {
+ .tx_bm_tkid = 0x088,
+ .wpdma_rx_ring0 = 0x770,
+ .reset_idx_tx_mask = GENMASK(3, 0),
+ .reset_idx_rx_mask = GENMASK(17, 16),
+ },
+ .wdma_desc_size = sizeof(struct mtk_wdma_desc),
+};
+
+static const struct mtk_wed_soc_data mt7986_data = {
+ .regmap = {
+ .tx_bm_tkid = 0x0c8,
+ .wpdma_rx_ring0 = 0x770,
+ .reset_idx_tx_mask = GENMASK(1, 0),
+ .reset_idx_rx_mask = GENMASK(7, 6),
+ },
+ .wdma_desc_size = 2 * sizeof(struct mtk_wdma_desc),
+};
+
static void
wed_m32(struct mtk_wed_device *dev, u32 reg, u32 mask, u32 val)
{
@@ -746,7 +766,7 @@ mtk_wed_set_wpdma(struct mtk_wed_device
return;
wed_w32(dev, MTK_WED_WPDMA_RX_GLO_CFG, dev->wlan.wpdma_rx_glo);
- wed_w32(dev, MTK_WED_WPDMA_RX_RING, dev->wlan.wpdma_rx);
+ wed_w32(dev, dev->hw->soc->regmap.wpdma_rx_ring0, dev->wlan.wpdma_rx);
}
static void
@@ -940,22 +960,10 @@ mtk_wed_hw_init(struct mtk_wed_device *d
wed_w32(dev, MTK_WED_TX_BM_BUF_LEN, MTK_WED_PKT_SIZE);
if (mtk_wed_is_v1(dev->hw)) {
- wed_w32(dev, MTK_WED_TX_BM_TKID,
- FIELD_PREP(MTK_WED_TX_BM_TKID_START,
- dev->wlan.token_start) |
- FIELD_PREP(MTK_WED_TX_BM_TKID_END,
- dev->wlan.token_start +
- dev->wlan.nbuf - 1));
wed_w32(dev, MTK_WED_TX_BM_DYN_THR,
FIELD_PREP(MTK_WED_TX_BM_DYN_THR_LO, 1) |
MTK_WED_TX_BM_DYN_THR_HI);
} else {
- wed_w32(dev, MTK_WED_TX_BM_TKID_V2,
- FIELD_PREP(MTK_WED_TX_BM_TKID_START,
- dev->wlan.token_start) |
- FIELD_PREP(MTK_WED_TX_BM_TKID_END,
- dev->wlan.token_start +
- dev->wlan.nbuf - 1));
wed_w32(dev, MTK_WED_TX_BM_DYN_THR,
FIELD_PREP(MTK_WED_TX_BM_DYN_THR_LO_V2, 0) |
MTK_WED_TX_BM_DYN_THR_HI_V2);
@@ -970,6 +978,11 @@ mtk_wed_hw_init(struct mtk_wed_device *d
MTK_WED_TX_TKID_DYN_THR_HI);
}
+ wed_w32(dev, dev->hw->soc->regmap.tx_bm_tkid,
+ FIELD_PREP(MTK_WED_TX_BM_TKID_START, dev->wlan.token_start) |
+ FIELD_PREP(MTK_WED_TX_BM_TKID_END,
+ dev->wlan.token_start + dev->wlan.nbuf - 1));
+
mtk_wed_reset(dev, MTK_WED_RESET_TX_BM);
if (mtk_wed_is_v1(dev->hw)) {
@@ -1104,13 +1117,8 @@ mtk_wed_rx_reset(struct mtk_wed_device *
if (ret) {
mtk_wed_reset(dev, MTK_WED_RESET_WED_RX_DMA);
} else {
- struct mtk_eth *eth = dev->hw->eth;
-
- if (mtk_is_netsys_v2_or_greater(eth))
- wed_set(dev, MTK_WED_RESET_IDX,
- MTK_WED_RESET_IDX_RX_V2);
- else
- wed_set(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_RX);
+ wed_set(dev, MTK_WED_RESET_IDX,
+ dev->hw->soc->regmap.reset_idx_rx_mask);
wed_w32(dev, MTK_WED_RESET_IDX, 0);
}
@@ -1163,7 +1171,8 @@ mtk_wed_reset_dma(struct mtk_wed_device
if (busy) {
mtk_wed_reset(dev, MTK_WED_RESET_WED_TX_DMA);
} else {
- wed_w32(dev, MTK_WED_RESET_IDX, MTK_WED_RESET_IDX_TX);
+ wed_w32(dev, MTK_WED_RESET_IDX,
+ dev->hw->soc->regmap.reset_idx_tx_mask);
wed_w32(dev, MTK_WED_RESET_IDX, 0);
}
@@ -1255,7 +1264,6 @@ static int
mtk_wed_wdma_rx_ring_setup(struct mtk_wed_device *dev, int idx, int size,
bool reset)
{
- u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
struct mtk_wed_ring *wdma;
if (idx >= ARRAY_SIZE(dev->rx_wdma))
@@ -1263,7 +1271,7 @@ mtk_wed_wdma_rx_ring_setup(struct mtk_we
wdma = &dev->rx_wdma[idx];
if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
- desc_size, true))
+ dev->hw->soc->wdma_desc_size, true))
return -ENOMEM;
wdma_w32(dev, MTK_WDMA_RING_RX(idx) + MTK_WED_RING_OFS_BASE,
@@ -1284,7 +1292,6 @@ static int
mtk_wed_wdma_tx_ring_setup(struct mtk_wed_device *dev, int idx, int size,
bool reset)
{
- u32 desc_size = sizeof(struct mtk_wdma_desc) * dev->hw->version;
struct mtk_wed_ring *wdma;
if (idx >= ARRAY_SIZE(dev->tx_wdma))
@@ -1292,7 +1299,7 @@ mtk_wed_wdma_tx_ring_setup(struct mtk_we
wdma = &dev->tx_wdma[idx];
if (!reset && mtk_wed_ring_alloc(dev, wdma, MTK_WED_WDMA_RING_SIZE,
- desc_size, true))
+ dev->hw->soc->wdma_desc_size, true))
return -ENOMEM;
wdma_w32(dev, MTK_WDMA_RING_TX(idx) + MTK_WED_RING_OFS_BASE,
@@ -1928,7 +1935,12 @@ void mtk_wed_add_hw(struct device_node *
hw->irq = irq;
hw->version = eth->soc->version;
- if (mtk_wed_is_v1(hw)) {
+ switch (hw->version) {
+ case 2:
+ hw->soc = &mt7986_data;
+ break;
+ default:
+ case 1:
hw->mirror = syscon_regmap_lookup_by_phandle(eth_np,
"mediatek,pcie-mirror");
hw->hifsys = syscon_regmap_lookup_by_phandle(eth_np,
@@ -1942,6 +1954,8 @@ void mtk_wed_add_hw(struct device_node *
regmap_write(hw->mirror, 0, 0);
regmap_write(hw->mirror, 4, 0);
}
+ hw->soc = &mt7622_data;
+ break;
}
mtk_wed_hw_add_debugfs(hw);
--- a/drivers/net/ethernet/mediatek/mtk_wed.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed.h
@@ -12,7 +12,18 @@
struct mtk_eth;
struct mtk_wed_wo;
+struct mtk_wed_soc_data {
+ struct {
+ u32 tx_bm_tkid;
+ u32 wpdma_rx_ring0;
+ u32 reset_idx_tx_mask;
+ u32 reset_idx_rx_mask;
+ } regmap;
+ u32 wdma_desc_size;
+};
+
struct mtk_wed_hw {
+ const struct mtk_wed_soc_data *soc;
struct device_node *node;
struct mtk_eth *eth;
struct regmap *regs;
--- a/drivers/net/ethernet/mediatek/mtk_wed_regs.h
+++ b/drivers/net/ethernet/mediatek/mtk_wed_regs.h
@@ -100,8 +100,6 @@ struct mtk_wdma_desc {
#define MTK_WED_TX_BM_BASE 0x084
-#define MTK_WED_TX_BM_TKID 0x088
-#define MTK_WED_TX_BM_TKID_V2 0x0c8
#define MTK_WED_TX_BM_TKID_START GENMASK(15, 0)
#define MTK_WED_TX_BM_TKID_END GENMASK(31, 16)
@@ -160,9 +158,6 @@ struct mtk_wdma_desc {
#define MTK_WED_GLO_CFG_RX_2B_OFFSET BIT(31)
#define MTK_WED_RESET_IDX 0x20c
-#define MTK_WED_RESET_IDX_TX GENMASK(3, 0)
-#define MTK_WED_RESET_IDX_RX GENMASK(17, 16)
-#define MTK_WED_RESET_IDX_RX_V2 GENMASK(7, 6)
#define MTK_WED_RESET_WPDMA_IDX_RX GENMASK(31, 30)
#define MTK_WED_TX_MIB(_n) (0x2a0 + (_n) * 4)
@@ -286,7 +281,6 @@ struct mtk_wdma_desc {
#define MTK_WED_WPDMA_RX_D_RST_DRV_IDX GENMASK(25, 24)
#define MTK_WED_WPDMA_RX_GLO_CFG 0x76c
-#define MTK_WED_WPDMA_RX_RING 0x770
#define MTK_WED_WPDMA_RX_D_MIB(_n) (0x774 + (_n) * 4)
#define MTK_WED_WPDMA_RX_D_PROCESSED_MIB(_n) (0x784 + (_n) * 4)
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