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path: root/drivers/net/ethernet/hisilicon/hip04_eth.c
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Diffstat (limited to 'drivers/net/ethernet/hisilicon/hip04_eth.c')
-rw-r--r--drivers/net/ethernet/hisilicon/hip04_eth.c151
1 files changed, 123 insertions, 28 deletions
diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c
index f9a4e76c5a8b..d60452845539 100644
--- a/drivers/net/ethernet/hisilicon/hip04_eth.c
+++ b/drivers/net/ethernet/hisilicon/hip04_eth.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/* Copyright (c) 2014 Linaro Ltd.
* Copyright (c) 2014 Hisilicon Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/module.h>
@@ -20,6 +16,8 @@
#include <linux/mfd/syscon.h>
#include <linux/regmap.h>
+#define SC_PPE_RESET_DREQ 0x026C
+
#define PPE_CFG_RX_ADDR 0x100
#define PPE_CFG_POOL_GRP 0x300
#define PPE_CFG_RX_BUF_SIZE 0x400
@@ -37,10 +35,23 @@
#define GE_MODE_CHANGE_REG 0x1b4
#define GE_RECV_CONTROL_REG 0x1e0
#define GE_STATION_MAC_ADDRESS 0x210
-#define PPE_CFG_CPU_ADD_ADDR 0x580
-#define PPE_CFG_MAX_FRAME_LEN_REG 0x408
+
#define PPE_CFG_BUS_CTRL_REG 0x424
#define PPE_CFG_RX_CTRL_REG 0x428
+
+#if defined(CONFIG_HI13X1_GMAC)
+#define PPE_CFG_CPU_ADD_ADDR 0x6D0
+#define PPE_CFG_MAX_FRAME_LEN_REG 0x500
+#define PPE_CFG_RX_PKT_MODE_REG 0x504
+#define PPE_CFG_QOS_VMID_GEN 0x520
+#define PPE_CFG_RX_PKT_INT 0x740
+#define PPE_INTEN 0x700
+#define PPE_INTSTS 0x708
+#define PPE_RINT 0x704
+#define PPE_CFG_STS_MODE 0x880
+#else
+#define PPE_CFG_CPU_ADD_ADDR 0x580
+#define PPE_CFG_MAX_FRAME_LEN_REG 0x408
#define PPE_CFG_RX_PKT_MODE_REG 0x438
#define PPE_CFG_QOS_VMID_GEN 0x500
#define PPE_CFG_RX_PKT_INT 0x538
@@ -48,8 +59,12 @@
#define PPE_INTSTS 0x608
#define PPE_RINT 0x604
#define PPE_CFG_STS_MODE 0x700
+#endif /* CONFIG_HI13X1_GMAC */
+
#define PPE_HIS_RX_PKT_CNT 0x804
+#define RESET_DREQ_ALL 0xffffffff
+
/* REG_INTERRUPT */
#define RCV_INT BIT(10)
#define RCV_NOBUF BIT(8)
@@ -61,8 +76,15 @@
/* TX descriptor config */
#define TX_FREE_MEM BIT(0)
#define TX_READ_ALLOC_L3 BIT(1)
-#define TX_FINISH_CACHE_INV BIT(2)
+#if defined(CONFIG_HI13X1_GMAC)
+#define TX_CLEAR_WB BIT(7)
+#define TX_RELEASE_TO_PPE BIT(4)
+#define TX_FINISH_CACHE_INV BIT(6)
+#define TX_POOL_SHIFT 16
+#else
#define TX_CLEAR_WB BIT(4)
+#define TX_FINISH_CACHE_INV BIT(2)
+#endif
#define TX_L3_CHECKSUM BIT(5)
#define TX_LOOP_BACK BIT(11)
@@ -97,18 +119,35 @@
#define GE_RX_PORT_EN BIT(1)
#define GE_TX_PORT_EN BIT(2)
-#define PPE_CFG_STS_RX_PKT_CNT_RC BIT(12)
-
#define PPE_CFG_RX_PKT_ALIGN BIT(18)
-#define PPE_CFG_QOS_VMID_MODE BIT(14)
+
+#if defined(CONFIG_HI13X1_GMAC)
+#define PPE_CFG_QOS_VMID_GRP_SHIFT 4
+#define PPE_CFG_RX_CTRL_ALIGN_SHIFT 7
+#define PPE_CFG_STS_RX_PKT_CNT_RC BIT(0)
+#define PPE_CFG_QOS_VMID_MODE BIT(15)
+#define PPE_CFG_BUS_LOCAL_REL (BIT(9) | BIT(15) | BIT(19) | BIT(23))
+
+/* buf unit size is cache_line_size, which is 64, so the shift is 6 */
+#define PPE_BUF_SIZE_SHIFT 6
+#define PPE_TX_BUF_HOLD BIT(31)
+#define CACHE_LINE_MASK 0x3F
+#else
#define PPE_CFG_QOS_VMID_GRP_SHIFT 8
+#define PPE_CFG_RX_CTRL_ALIGN_SHIFT 11
+#define PPE_CFG_STS_RX_PKT_CNT_RC BIT(12)
+#define PPE_CFG_QOS_VMID_MODE BIT(14)
+#define PPE_CFG_BUS_LOCAL_REL BIT(14)
+
+/* buf unit size is 1, so the shift is 6 */
+#define PPE_BUF_SIZE_SHIFT 0
+#define PPE_TX_BUF_HOLD 0
+#endif /* CONFIG_HI13X1_GMAC */
#define PPE_CFG_RX_FIFO_FSFU BIT(11)
#define PPE_CFG_RX_DEPTH_SHIFT 16
#define PPE_CFG_RX_START_SHIFT 0
-#define PPE_CFG_RX_CTRL_ALIGN_SHIFT 11
-#define PPE_CFG_BUS_LOCAL_REL BIT(14)
#define PPE_CFG_BUS_BIG_ENDIEN BIT(0)
#define RX_DESC_NUM 128
@@ -132,26 +171,50 @@
#define HIP04_MIN_TX_COALESCE_FRAMES 100
struct tx_desc {
+#if defined(CONFIG_HI13X1_GMAC)
+ u32 reserved1[2];
+ u32 send_addr;
+ u16 send_size;
+ u16 data_offset;
+ u32 reserved2[7];
+ u32 cfg;
+ u32 wb_addr;
+ u32 reserved3[3];
+#else
u32 send_addr;
u32 send_size;
u32 next_addr;
u32 cfg;
u32 wb_addr;
+#endif
} __aligned(64);
struct rx_desc {
+#if defined(CONFIG_HI13X1_GMAC)
+ u32 reserved1[3];
+ u16 pkt_len;
+ u16 reserved_16;
+ u32 reserved2[6];
+ u32 pkt_err;
+ u32 reserved3[5];
+#else
u16 reserved_16;
u16 pkt_len;
u32 reserve1[3];
u32 pkt_err;
u32 reserve2[4];
+#endif
};
struct hip04_priv {
void __iomem *base;
+#if defined(CONFIG_HI13X1_GMAC)
+ void __iomem *sysctrl_base;
+#endif
int phy_mode;
int chan;
unsigned int port;
+ unsigned int group;
unsigned int speed;
unsigned int duplex;
unsigned int reg_inten;
@@ -225,6 +288,13 @@ static void hip04_config_port(struct net_device *ndev, u32 speed, u32 duplex)
writel_relaxed(val, priv->base + GE_MODE_CHANGE_REG);
}
+static void hip04_reset_dreq(struct hip04_priv *priv)
+{
+#if defined(CONFIG_HI13X1_GMAC)
+ writel_relaxed(RESET_DREQ_ALL, priv->sysctrl_base + SC_PPE_RESET_DREQ);
+#endif
+}
+
static void hip04_reset_ppe(struct hip04_priv *priv)
{
u32 val, tmp, timeout = 0;
@@ -245,14 +315,14 @@ static void hip04_config_fifo(struct hip04_priv *priv)
val |= PPE_CFG_STS_RX_PKT_CNT_RC;
writel_relaxed(val, priv->base + PPE_CFG_STS_MODE);
- val = BIT(priv->port);
+ val = BIT(priv->group);
regmap_write(priv->map, priv->port * 4 + PPE_CFG_POOL_GRP, val);
- val = priv->port << PPE_CFG_QOS_VMID_GRP_SHIFT;
+ val = priv->group << PPE_CFG_QOS_VMID_GRP_SHIFT;
val |= PPE_CFG_QOS_VMID_MODE;
writel_relaxed(val, priv->base + PPE_CFG_QOS_VMID_GEN);
- val = RX_BUF_SIZE;
+ val = RX_BUF_SIZE >> PPE_BUF_SIZE_SHIFT;
regmap_write(priv->map, priv->port * 4 + PPE_CFG_RX_BUF_SIZE, val);
val = RX_DESC_NUM << PPE_CFG_RX_DEPTH_SHIFT;
@@ -289,8 +359,10 @@ static void hip04_config_fifo(struct hip04_priv *priv)
val |= GE_RX_STRIP_PAD | GE_RX_PAD_EN;
writel_relaxed(val, priv->base + GE_RECV_CONTROL_REG);
+#ifndef CONFIG_HI13X1_GMAC
val = GE_AUTO_NEG_CTL;
writel_relaxed(val, priv->base + GE_TX_LOCAL_PAGE_REG);
+#endif
}
static void hip04_mac_enable(struct net_device *ndev)
@@ -333,12 +405,18 @@ static void hip04_mac_disable(struct net_device *ndev)
static void hip04_set_xmit_desc(struct hip04_priv *priv, dma_addr_t phys)
{
- writel(phys, priv->base + PPE_CFG_CPU_ADD_ADDR);
+ u32 val;
+
+ val = phys >> PPE_BUF_SIZE_SHIFT | PPE_TX_BUF_HOLD;
+ writel(val, priv->base + PPE_CFG_CPU_ADD_ADDR);
}
static void hip04_set_recv_desc(struct hip04_priv *priv, dma_addr_t phys)
{
- regmap_write(priv->map, priv->port * 4 + PPE_CFG_RX_ADDR, phys);
+ u32 val;
+
+ val = phys >> PPE_BUF_SIZE_SHIFT;
+ regmap_write(priv->map, priv->port * 4 + PPE_CFG_RX_ADDR, val);
}
static u32 hip04_recv_cnt(struct hip04_priv *priv)
@@ -446,11 +524,20 @@ hip04_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
priv->tx_skb[tx_head] = skb;
priv->tx_phys[tx_head] = phys;
- desc->send_addr = cpu_to_be32(phys);
- desc->send_size = cpu_to_be32(skb->len);
- desc->cfg = cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV);
+
+ desc->send_size = (__force u32)cpu_to_be32(skb->len);
+#if defined(CONFIG_HI13X1_GMAC)
+ desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV
+ | TX_RELEASE_TO_PPE | priv->port << TX_POOL_SHIFT);
+ desc->data_offset = (__force u32)cpu_to_be32(phys & CACHE_LINE_MASK);
+ desc->send_addr = (__force u32)cpu_to_be32(phys & ~CACHE_LINE_MASK);
+#else
+ desc->cfg = (__force u32)cpu_to_be32(TX_CLEAR_WB | TX_FINISH_CACHE_INV);
+ desc->send_addr = (__force u32)cpu_to_be32(phys);
+#endif
phys = priv->tx_desc_dma + tx_head * sizeof(struct tx_desc);
- desc->wb_addr = cpu_to_be32(phys);
+ desc->wb_addr = (__force u32)cpu_to_be32(phys +
+ offsetof(struct tx_desc, send_addr));
skb_tx_timestamp(skb);
hip04_set_xmit_desc(priv, phys);
@@ -511,8 +598,8 @@ static int hip04_rx_poll(struct napi_struct *napi, int budget)
priv->rx_phys[priv->rx_head] = 0;
desc = (struct rx_desc *)skb->data;
- len = be16_to_cpu(desc->pkt_len);
- err = be32_to_cpu(desc->pkt_err);
+ len = be16_to_cpu((__force __be16)desc->pkt_len);
+ err = be32_to_cpu((__force __be32)desc->pkt_err);
if (0 == len) {
dev_kfree_skb_any(skb);
@@ -812,7 +899,6 @@ static int hip04_mac_probe(struct platform_device *pdev)
struct of_phandle_args arg;
struct net_device *ndev;
struct hip04_priv *priv;
- struct resource *res;
int irq;
int ret;
@@ -825,14 +911,21 @@ static int hip04_mac_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ndev);
SET_NETDEV_DEV(ndev, &pdev->dev);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->base = devm_ioremap_resource(d, res);
+ priv->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->base)) {
ret = PTR_ERR(priv->base);
goto init_fail;
}
- ret = of_parse_phandle_with_fixed_args(node, "port-handle", 2, 0, &arg);
+#if defined(CONFIG_HI13X1_GMAC)
+ priv->sysctrl_base = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(priv->sysctrl_base)) {
+ ret = PTR_ERR(priv->sysctrl_base);
+ goto init_fail;
+ }
+#endif
+
+ ret = of_parse_phandle_with_fixed_args(node, "port-handle", 3, 0, &arg);
if (ret < 0) {
dev_warn(d, "no port-handle\n");
goto init_fail;
@@ -840,6 +933,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
priv->port = arg.args[0];
priv->chan = arg.args[1] * RX_DESC_NUM;
+ priv->group = arg.args[2];
hrtimer_init(&priv->tx_coalesce_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
@@ -900,6 +994,7 @@ static int hip04_mac_probe(struct platform_device *pdev)
ndev->irq = irq;
netif_napi_add(ndev, &priv->napi, hip04_rx_poll, NAPI_POLL_WEIGHT);
+ hip04_reset_dreq(priv);
hip04_reset_ppe(priv);
if (priv->phy_mode == PHY_INTERFACE_MODE_MII)
hip04_config_port(ndev, SPEED_100, DUPLEX_FULL);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.