diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hip04_eth.c')
-rw-r--r-- | drivers/net/ethernet/hisilicon/hip04_eth.c | 142 |
1 files changed, 122 insertions, 20 deletions
diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index e1f2978506fd..625635771b83 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -16,6 +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 @@ -33,10 +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 @@ -44,8 +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) @@ -57,8 +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) @@ -93,18 +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 @@ -128,26 +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; @@ -221,6 +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; @@ -241,14 +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; @@ -285,8 +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) @@ -329,12 +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) @@ -442,11 +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); @@ -507,8 +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); @@ -828,7 +919,16 @@ static int hip04_mac_probe(struct platform_device *pdev) goto init_fail; } - ret = of_parse_phandle_with_fixed_args(node, "port-handle", 2, 0, &arg); +#if defined(CONFIG_HI13X1_GMAC) + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + priv->sysctrl_base = devm_ioremap_resource(d, res); + 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; @@ -836,6 +936,7 @@ 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); @@ -896,6 +997,7 @@ 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); |