diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/asp2/bcmasp.h')
| -rw-r--r-- | drivers/net/ethernet/broadcom/asp2/bcmasp.h | 503 |
1 files changed, 503 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/asp2/bcmasp.h b/drivers/net/ethernet/broadcom/asp2/bcmasp.h new file mode 100644 index 000000000000..4fe84d26251d --- /dev/null +++ b/drivers/net/ethernet/broadcom/asp2/bcmasp.h @@ -0,0 +1,503 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __BCMASP_H +#define __BCMASP_H + +#include <linux/netdevice.h> +#include <linux/phy.h> +#include <linux/io-64-nonatomic-hi-lo.h> +#include <uapi/linux/ethtool.h> + +#define ASP_INTR2_OFFSET 0x1000 +#define ASP_INTR2_STATUS 0x0 +#define ASP_INTR2_SET 0x4 +#define ASP_INTR2_CLEAR 0x8 +#define ASP_INTR2_MASK_STATUS 0xc +#define ASP_INTR2_MASK_SET 0x10 +#define ASP_INTR2_MASK_CLEAR 0x14 + +#define ASP_INTR2_RX_ECH(intr) BIT(intr) +#define ASP_INTR2_TX_DESC(intr) BIT((intr) + 14) +#define ASP_INTR2_UMC0_WAKE BIT(22) +#define ASP_INTR2_UMC1_WAKE BIT(28) + +#define ASP_WAKEUP_INTR2_OFFSET 0x1200 +#define ASP_WAKEUP_INTR2_STATUS 0x0 +#define ASP_WAKEUP_INTR2_SET 0x4 +#define ASP_WAKEUP_INTR2_CLEAR 0x8 +#define ASP_WAKEUP_INTR2_MASK_STATUS 0xc +#define ASP_WAKEUP_INTR2_MASK_SET 0x10 +#define ASP_WAKEUP_INTR2_MASK_CLEAR 0x14 +#define ASP_WAKEUP_INTR2_MPD_0 BIT(0) +#define ASP_WAKEUP_INTR2_MPD_1 BIT(1) +#define ASP_WAKEUP_INTR2_FILT_0 BIT(2) +#define ASP_WAKEUP_INTR2_FILT_1 BIT(3) +#define ASP_WAKEUP_INTR2_FW BIT(4) + +#define ASP_TX_ANALYTICS_OFFSET 0x4c000 +#define ASP_TX_ANALYTICS_CTRL 0x0 + +#define ASP_RX_ANALYTICS_OFFSET 0x98000 +#define ASP_RX_ANALYTICS_CTRL 0x0 + +#define ASP_RX_CTRL_OFFSET 0x9f000 +#define ASP_RX_CTRL_UMAC_0_FRAME_COUNT 0x8 +#define ASP_RX_CTRL_UMAC_1_FRAME_COUNT 0xc +#define ASP_RX_CTRL_FB_0_FRAME_COUNT 0x14 +#define ASP_RX_CTRL_FB_1_FRAME_COUNT 0x18 +#define ASP_RX_CTRL_FB_8_FRAME_COUNT 0x1c +/* asp2.1 diverges offsets here */ +/* ASP2.0 */ +#define ASP_RX_CTRL_FB_OUT_FRAME_COUNT 0x20 +#define ASP_RX_CTRL_FB_FILT_OUT_FRAME_COUNT 0x24 +#define ASP_RX_CTRL_FLUSH 0x28 +#define ASP_CTRL_UMAC0_FLUSH_MASK (BIT(0) | BIT(12)) +#define ASP_CTRL_UMAC1_FLUSH_MASK (BIT(1) | BIT(13)) +#define ASP_CTRL_SPB_FLUSH_MASK (BIT(8) | BIT(20)) +#define ASP_RX_CTRL_FB_RX_FIFO_DEPTH 0x30 +/* ASP2.1 */ +#define ASP_RX_CTRL_FB_9_FRAME_COUNT_2_1 0x20 +#define ASP_RX_CTRL_FB_10_FRAME_COUNT_2_1 0x24 +#define ASP_RX_CTRL_FB_OUT_FRAME_COUNT_2_1 0x28 +#define ASP_RX_CTRL_FB_FILT_OUT_FRAME_COUNT_2_1 0x2c +#define ASP_RX_CTRL_FLUSH_2_1 0x30 +#define ASP_RX_CTRL_FB_RX_FIFO_DEPTH_2_1 0x38 + +#define ASP_RX_FILTER_OFFSET 0x80000 +#define ASP_RX_FILTER_BLK_CTRL 0x0 +#define ASP_RX_FILTER_OPUT_EN BIT(0) +#define ASP_RX_FILTER_MDA_EN BIT(1) +#define ASP_RX_FILTER_LNR_MD BIT(2) +#define ASP_RX_FILTER_GEN_WK_EN BIT(3) +#define ASP_RX_FILTER_GEN_WK_CLR BIT(4) +#define ASP_RX_FILTER_NT_FLT_EN BIT(5) +#define ASP_RX_FILTER_MDA_CFG(sel) (((sel) * 0x14) + 0x100) +#define ASP_RX_FILTER_MDA_CFG_EN_SHIFT 8 +#define ASP_RX_FILTER_MDA_CFG_UMC_SEL(sel) ((sel) > 1 ? BIT(17) : \ + BIT((sel) + 9)) +#define ASP_RX_FILTER_MDA_PAT_H(sel) (((sel) * 0x14) + 0x104) +#define ASP_RX_FILTER_MDA_PAT_L(sel) (((sel) * 0x14) + 0x108) +#define ASP_RX_FILTER_MDA_MSK_H(sel) (((sel) * 0x14) + 0x10c) +#define ASP_RX_FILTER_MDA_MSK_L(sel) (((sel) * 0x14) + 0x110) +#define ASP_RX_FILTER_MDA_CFG(sel) (((sel) * 0x14) + 0x100) +#define ASP_RX_FILTER_MDA_PAT_H(sel) (((sel) * 0x14) + 0x104) +#define ASP_RX_FILTER_MDA_PAT_L(sel) (((sel) * 0x14) + 0x108) +#define ASP_RX_FILTER_MDA_MSK_H(sel) (((sel) * 0x14) + 0x10c) +#define ASP_RX_FILTER_MDA_MSK_L(sel) (((sel) * 0x14) + 0x110) +#define ASP_RX_FILTER_NET_CFG(sel) (((sel) * 0xa04) + 0x400) +#define ASP_RX_FILTER_NET_CFG_CH(sel) ((sel) << 0) +#define ASP_RX_FILTER_NET_CFG_EN BIT(9) +#define ASP_RX_FILTER_NET_CFG_L2_EN BIT(10) +#define ASP_RX_FILTER_NET_CFG_L3_EN BIT(11) +#define ASP_RX_FILTER_NET_CFG_L4_EN BIT(12) +#define ASP_RX_FILTER_NET_CFG_L3_FRM(sel) ((sel) << 13) +#define ASP_RX_FILTER_NET_CFG_L4_FRM(sel) ((sel) << 15) +#define ASP_RX_FILTER_NET_CFG_UMC(sel) BIT((sel) + 19) +#define ASP_RX_FILTER_NET_CFG_DMA_EN BIT(27) + +#define ASP_RX_FILTER_NET_OFFSET_MAX 32 +#define ASP_RX_FILTER_NET_PAT(sel, block, off) \ + (((sel) * 0xa04) + ((block) * 0x200) + (off) + 0x600) +#define ASP_RX_FILTER_NET_MASK(sel, block, off) \ + (((sel) * 0xa04) + ((block) * 0x200) + (off) + 0x700) + +#define ASP_RX_FILTER_NET_OFFSET(sel) (((sel) * 0xa04) + 0xe00) +#define ASP_RX_FILTER_NET_OFFSET_L2(val) ((val) << 0) +#define ASP_RX_FILTER_NET_OFFSET_L3_0(val) ((val) << 8) +#define ASP_RX_FILTER_NET_OFFSET_L3_1(val) ((val) << 16) +#define ASP_RX_FILTER_NET_OFFSET_L4(val) ((val) << 24) + +#define ASP_EDPKT_OFFSET 0x9c000 +#define ASP_EDPKT_ENABLE 0x4 +#define ASP_EDPKT_ENABLE_EN BIT(0) +#define ASP_EDPKT_HDR_CFG 0xc +#define ASP_EDPKT_HDR_SZ_SHIFT 2 +#define ASP_EDPKT_HDR_SZ_32 0 +#define ASP_EDPKT_HDR_SZ_64 1 +#define ASP_EDPKT_HDR_SZ_96 2 +#define ASP_EDPKT_HDR_SZ_128 3 +#define ASP_EDPKT_BURST_BUF_PSCAL_TOUT 0x10 +#define ASP_EDPKT_BURST_BUF_WRITE_TOUT 0x14 +#define ASP_EDPKT_BURST_BUF_READ_TOUT 0x18 +#define ASP_EDPKT_RX_TS_COUNTER 0x38 +#define ASP_EDPKT_ENDI 0x48 +#define ASP_EDPKT_ENDI_DESC_SHIFT 8 +#define ASP_EDPKT_ENDI_NO_BT_SWP 0 +#define ASP_EDPKT_ENDI_BT_SWP_WD 1 +#define ASP_EDPKT_RX_PKT_CNT 0x138 +#define ASP_EDPKT_HDR_EXTR_CNT 0x13c +#define ASP_EDPKT_HDR_OUT_CNT 0x140 + +#define ASP_CTRL 0x101000 +#define ASP_CTRL_ASP_SW_INIT 0x04 +#define ASP_CTRL_ASP_SW_INIT_ACPUSS_CORE BIT(0) +#define ASP_CTRL_ASP_SW_INIT_ASP_TX BIT(1) +#define ASP_CTRL_ASP_SW_INIT_AS_RX BIT(2) +#define ASP_CTRL_ASP_SW_INIT_ASP_RGMII_UMAC0 BIT(3) +#define ASP_CTRL_ASP_SW_INIT_ASP_RGMII_UMAC1 BIT(4) +#define ASP_CTRL_ASP_SW_INIT_ASP_XMEMIF BIT(5) +#define ASP_CTRL_CLOCK_CTRL 0x04 +#define ASP_CTRL_CLOCK_CTRL_ASP_TX_DISABLE BIT(0) +#define ASP_CTRL_CLOCK_CTRL_ASP_RX_DISABLE BIT(1) +#define ASP_CTRL_CLOCK_CTRL_ASP_RGMII_SHIFT 2 +#define ASP_CTRL_CLOCK_CTRL_ASP_RGMII_MASK (0x7 << ASP_CTRL_CLOCK_CTRL_ASP_RGMII_SHIFT) +#define ASP_CTRL_CLOCK_CTRL_ASP_RGMII_DIS(x) BIT(ASP_CTRL_CLOCK_CTRL_ASP_RGMII_SHIFT + (x)) +#define ASP_CTRL_CLOCK_CTRL_ASP_ALL_DISABLE GENMASK(4, 0) +#define ASP_CTRL_CORE_CLOCK_SELECT 0x08 +#define ASP_CTRL_CORE_CLOCK_SELECT_MAIN BIT(0) +#define ASP_CTRL_SCRATCH_0 0x0c + +struct bcmasp_tx_cb { + struct sk_buff *skb; + unsigned int bytes_sent; + bool last; + + DEFINE_DMA_UNMAP_ADDR(dma_addr); + DEFINE_DMA_UNMAP_LEN(dma_len); +}; + +struct bcmasp_res { + /* Per interface resources */ + /* Port */ + void __iomem *umac; + void __iomem *umac2fb; + void __iomem *rgmii; + + /* TX slowpath/configuration */ + void __iomem *tx_spb_ctrl; + void __iomem *tx_spb_top; + void __iomem *tx_epkt_core; + void __iomem *tx_pause_ctrl; +}; + +#define DESC_ADDR(x) ((x) & GENMASK_ULL(39, 0)) +#define DESC_FLAGS(x) ((x) & GENMASK_ULL(63, 40)) + +struct bcmasp_desc { + u64 buf; + #define DESC_CHKSUM BIT_ULL(40) + #define DESC_CRC_ERR BIT_ULL(41) + #define DESC_RX_SYM_ERR BIT_ULL(42) + #define DESC_NO_OCT_ALN BIT_ULL(43) + #define DESC_PKT_TRUC BIT_ULL(44) + /* 39:0 (TX/RX) bits 0-39 of buf addr + * 40 (RX) checksum + * 41 (RX) crc_error + * 42 (RX) rx_symbol_error + * 43 (RX) non_octet_aligned + * 44 (RX) pkt_truncated + * 45 Reserved + * 56:46 (RX) mac_filter_id + * 60:57 (RX) rx_port_num (0-unicmac0, 1-unimac1) + * 61 Reserved + * 63:62 (TX) forward CRC, overwrite CRC + */ + u32 size; + u32 flags; + #define DESC_INT_EN BIT(0) + #define DESC_SOF BIT(1) + #define DESC_EOF BIT(2) + #define DESC_EPKT_CMD BIT(3) + #define DESC_SCRAM_ST BIT(8) + #define DESC_SCRAM_END BIT(9) + #define DESC_PCPP BIT(10) + #define DESC_PPPP BIT(11) + /* 0 (TX) tx_int_en + * 1 (TX/RX) SOF + * 2 (TX/RX) EOF + * 3 (TX) epkt_command + * 6:4 (TX) PA + * 7 (TX) pause at desc end + * 8 (TX) scram_start + * 9 (TX) scram_end + * 10 (TX) PCPP + * 11 (TX) PPPP + * 14:12 Reserved + * 15 (TX) pid ch Valid + * 19:16 (TX) data_pkt_type + * 32:20 (TX) pid_channel (RX) nw_filter_id + */ +}; + +struct bcmasp_intf; + +struct bcmasp_intf_stats64 { + /* Rx Stats */ + u64_stats_t rx_packets; + u64_stats_t rx_bytes; + u64_stats_t rx_errors; + u64_stats_t rx_dropped; + u64_stats_t rx_crc_errs; + u64_stats_t rx_sym_errs; + + /* Tx Stats*/ + u64_stats_t tx_packets; + u64_stats_t tx_bytes; + + struct u64_stats_sync syncp; +}; + +struct bcmasp_intf_ops { + unsigned long (*rx_desc_read)(struct bcmasp_intf *intf); + void (*rx_buffer_write)(struct bcmasp_intf *intf, dma_addr_t addr); + void (*rx_desc_write)(struct bcmasp_intf *intf, dma_addr_t addr); + unsigned long (*tx_read)(struct bcmasp_intf *intf); + void (*tx_write)(struct bcmasp_intf *intf, dma_addr_t addr); +}; + +struct bcmasp_priv; + +struct bcmasp_intf { + struct list_head list; + struct net_device *ndev; + struct bcmasp_priv *parent; + + /* ASP Ch */ + int channel; + int port; + const struct bcmasp_intf_ops *ops; + + /* Used for splitting shared resources */ + int index; + + struct napi_struct tx_napi; + /* TX ring, starts on a new cacheline boundary */ + void __iomem *tx_spb_dma; + int tx_spb_index; + int tx_spb_clean_index; + struct bcmasp_desc *tx_spb_cpu; + dma_addr_t tx_spb_dma_addr; + dma_addr_t tx_spb_dma_valid; + dma_addr_t tx_spb_dma_read; + struct bcmasp_tx_cb *tx_cbs; + + /* RX ring, starts on a new cacheline boundary */ + void __iomem *rx_edpkt_cfg; + void __iomem *rx_edpkt_dma; + int rx_edpkt_index; + int rx_buf_order; + struct bcmasp_desc *rx_edpkt_cpu; + dma_addr_t rx_edpkt_dma_addr; + dma_addr_t rx_edpkt_dma_read; + + /* RX buffer prefetcher ring*/ + void *rx_ring_cpu; + dma_addr_t rx_ring_dma; + dma_addr_t rx_ring_dma_valid; + struct napi_struct rx_napi; + + struct bcmasp_res res; + unsigned int crc_fwd; + + /* PHY device */ + struct device_node *phy_dn; + struct device_node *ndev_dn; + phy_interface_t phy_interface; + bool internal_phy; + int old_pause; + int old_link; + int old_duplex; + + u32 msg_enable; + + /* Statistics */ + struct bcmasp_intf_stats64 stats64; +}; + +#define NUM_MDA_FILTERS 32 +struct bcmasp_mda_filter { + /* Current owner of this filter */ + int port; + bool en; + u8 addr[ETH_ALEN]; + u8 mask[ETH_ALEN]; +}; + +struct bcmasp_hw_info { + u32 rx_ctrl_flush; + u32 umac2fb; + u32 rx_ctrl_fb_out_frame_count; + u32 rx_ctrl_fb_filt_out_frame_count; + u32 rx_ctrl_fb_rx_fifo_depth; +}; + +struct bcmasp_plat_data { + struct bcmasp_hw_info *hw_info; +}; + +struct bcmasp_priv { + struct platform_device *pdev; + struct clk *clk; + + int irq; + u32 irq_mask; + + void __iomem *base; + struct bcmasp_hw_info *hw_info; + + struct list_head intfs; + + struct bcmasp_mda_filter mda_filters[NUM_MDA_FILTERS]; + + /* MAC destination address filters lock */ + spinlock_t mda_lock; + + /* Protects accesses to ASP_CTRL_CLOCK_CTRL */ + spinlock_t clk_lock; +}; + +static inline unsigned long bcmasp_intf_rx_desc_read(struct bcmasp_intf *intf) +{ + return intf->ops->rx_desc_read(intf); +} + +static inline void bcmasp_intf_rx_buffer_write(struct bcmasp_intf *intf, + dma_addr_t addr) +{ + intf->ops->rx_buffer_write(intf, addr); +} + +static inline void bcmasp_intf_rx_desc_write(struct bcmasp_intf *intf, + dma_addr_t addr) +{ + intf->ops->rx_desc_write(intf, addr); +} + +static inline unsigned long bcmasp_intf_tx_read(struct bcmasp_intf *intf) +{ + return intf->ops->tx_read(intf); +} + +static inline void bcmasp_intf_tx_write(struct bcmasp_intf *intf, + dma_addr_t addr) +{ + intf->ops->tx_write(intf, addr); +} + +#define __BCMASP_IO_MACRO(name, m) \ +static inline u32 name##_rl(struct bcmasp_intf *intf, u32 off) \ +{ \ + u32 reg = readl_relaxed(intf->m + off); \ + return reg; \ +} \ +static inline void name##_wl(struct bcmasp_intf *intf, u32 val, u32 off)\ +{ \ + writel_relaxed(val, intf->m + off); \ +} + +#define BCMASP_IO_MACRO(name) __BCMASP_IO_MACRO(name, res.name) +#define BCMASP_FP_IO_MACRO(name) __BCMASP_IO_MACRO(name, name) + +BCMASP_IO_MACRO(umac); +BCMASP_IO_MACRO(umac2fb); +BCMASP_IO_MACRO(rgmii); +BCMASP_FP_IO_MACRO(tx_spb_dma); +BCMASP_IO_MACRO(tx_spb_ctrl); +BCMASP_IO_MACRO(tx_spb_top); +BCMASP_IO_MACRO(tx_epkt_core); +BCMASP_IO_MACRO(tx_pause_ctrl); +BCMASP_FP_IO_MACRO(rx_edpkt_dma); +BCMASP_FP_IO_MACRO(rx_edpkt_cfg); + +#define __BCMASP_FP_IO_MACRO_Q(name, m) \ +static inline u64 name##_rq(struct bcmasp_intf *intf, u32 off) \ +{ \ + u64 reg = readq_relaxed(intf->m + off); \ + return reg; \ +} \ +static inline void name##_wq(struct bcmasp_intf *intf, u64 val, u32 off)\ +{ \ + writeq_relaxed(val, intf->m + off); \ +} + +#define BCMASP_FP_IO_MACRO_Q(name) __BCMASP_FP_IO_MACRO_Q(name, name) + +BCMASP_FP_IO_MACRO_Q(tx_spb_dma); +BCMASP_FP_IO_MACRO_Q(rx_edpkt_dma); +BCMASP_FP_IO_MACRO_Q(rx_edpkt_cfg); + +#define PKT_OFFLOAD_NOP (0 << 28) +#define PKT_OFFLOAD_HDR_OP (1 << 28) +#define PKT_OFFLOAD_HDR_WRBACK BIT(19) +#define PKT_OFFLOAD_HDR_COUNT(x) ((x) << 16) +#define PKT_OFFLOAD_HDR_SIZE_1(x) ((x) << 4) +#define PKT_OFFLOAD_HDR_SIZE_2(x) (x) +#define PKT_OFFLOAD_HDR2_SIZE_2(x) ((x) << 24) +#define PKT_OFFLOAD_HDR2_SIZE_3(x) ((x) << 12) +#define PKT_OFFLOAD_HDR2_SIZE_4(x) (x) +#define PKT_OFFLOAD_EPKT_OP (2 << 28) +#define PKT_OFFLOAD_EPKT_WRBACK BIT(23) +#define PKT_OFFLOAD_EPKT_IP(x) ((x) << 21) +#define PKT_OFFLOAD_EPKT_TP(x) ((x) << 19) +#define PKT_OFFLOAD_EPKT_LEN(x) ((x) << 16) +#define PKT_OFFLOAD_EPKT_CSUM_L3 BIT(15) +#define PKT_OFFLOAD_EPKT_CSUM_L2 BIT(14) +#define PKT_OFFLOAD_EPKT_ID(x) ((x) << 12) +#define PKT_OFFLOAD_EPKT_SEQ(x) ((x) << 10) +#define PKT_OFFLOAD_EPKT_TS(x) ((x) << 8) +#define PKT_OFFLOAD_EPKT_BLOC(x) (x) +#define PKT_OFFLOAD_END_OP (7 << 28) + +struct bcmasp_pkt_offload { + __be32 nop; + __be32 header; + __be32 header2; + __be32 epkt; + __be32 end; +}; + +#define BCMASP_CORE_IO_MACRO(name, offset) \ +static inline u32 name##_core_rl(struct bcmasp_priv *priv, \ + u32 off) \ +{ \ + u32 reg = readl_relaxed(priv->base + (offset) + off); \ + return reg; \ +} \ +static inline void name##_core_wl(struct bcmasp_priv *priv, \ + u32 val, u32 off) \ +{ \ + writel_relaxed(val, priv->base + (offset) + off); \ +} + +BCMASP_CORE_IO_MACRO(intr2, ASP_INTR2_OFFSET); +BCMASP_CORE_IO_MACRO(wakeup_intr2, ASP_WAKEUP_INTR2_OFFSET); +BCMASP_CORE_IO_MACRO(tx_analytics, ASP_TX_ANALYTICS_OFFSET); +BCMASP_CORE_IO_MACRO(rx_analytics, ASP_RX_ANALYTICS_OFFSET); +BCMASP_CORE_IO_MACRO(rx_ctrl, ASP_RX_CTRL_OFFSET); +BCMASP_CORE_IO_MACRO(rx_filter, ASP_RX_FILTER_OFFSET); +BCMASP_CORE_IO_MACRO(rx_edpkt, ASP_EDPKT_OFFSET); +BCMASP_CORE_IO_MACRO(ctrl, ASP_CTRL); + +struct bcmasp_intf *bcmasp_interface_create(struct bcmasp_priv *priv, + struct device_node *ndev_dn, int i); + +void bcmasp_interface_destroy(struct bcmasp_intf *intf); + +void bcmasp_enable_tx_irq(struct bcmasp_intf *intf, int en); + +void bcmasp_enable_rx_irq(struct bcmasp_intf *intf, int en); + +void bcmasp_flush_rx_port(struct bcmasp_intf *intf); + +extern const struct ethtool_ops bcmasp_ethtool_ops; + +int bcmasp_interface_suspend(struct bcmasp_intf *intf); + +int bcmasp_interface_resume(struct bcmasp_intf *intf); + +void bcmasp_set_promisc(struct bcmasp_intf *intf, bool en); + +void bcmasp_set_allmulti(struct bcmasp_intf *intf, bool en); + +void bcmasp_set_broad(struct bcmasp_intf *intf, bool en); + +void bcmasp_set_oaddr(struct bcmasp_intf *intf, const unsigned char *addr, + bool en); + +int bcmasp_set_en_mda_filter(struct bcmasp_intf *intf, unsigned char *addr, + unsigned char *mask); + +void bcmasp_disable_all_filters(struct bcmasp_intf *intf); + +void bcmasp_core_clock_set_intf(struct bcmasp_intf *intf, bool en); + +#endif |