]> git.sur5r.net Git - u-boot/blobdiff - drivers/net/mvpp2.c
net: mvpp2: adapt mvpp2_defaults_set() to PPv2.2
[u-boot] / drivers / net / mvpp2.c
index 9683439d231c224c0fa84da75982497f402e0b28..e75979b37a3562e28f360ab8e184b96efec107d7 100644 (file)
@@ -91,9 +91,11 @@ do {                                                                 \
 #define     MVPP2_SNOOP_PKT_SIZE_MASK          0x1ff
 #define     MVPP2_SNOOP_BUF_HDR_MASK           BIT(9)
 #define     MVPP2_RXQ_POOL_SHORT_OFFS          20
-#define     MVPP2_RXQ_POOL_SHORT_MASK          0x700000
+#define     MVPP21_RXQ_POOL_SHORT_MASK         0x700000
+#define     MVPP22_RXQ_POOL_SHORT_MASK         0xf00000
 #define     MVPP2_RXQ_POOL_LONG_OFFS           24
-#define     MVPP2_RXQ_POOL_LONG_MASK           0x7000000
+#define     MVPP21_RXQ_POOL_LONG_MASK          0x7000000
+#define     MVPP22_RXQ_POOL_LONG_MASK          0xf000000
 #define     MVPP2_RXQ_PACKET_OFFSET_OFFS       28
 #define     MVPP2_RXQ_PACKET_OFFSET_MASK       0x70000000
 #define     MVPP2_RXQ_DISABLE_MASK             BIT(31)
@@ -251,14 +253,23 @@ do {                                                                      \
 #define MVPP2_BM_PHY_ALLOC_REG(pool)           (0x6400 + ((pool) * 4))
 #define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK      BIT(0)
 #define MVPP2_BM_VIRT_ALLOC_REG                        0x6440
+#define MVPP2_BM_ADDR_HIGH_ALLOC               0x6444
+#define     MVPP2_BM_ADDR_HIGH_PHYS_MASK       0xff
+#define     MVPP2_BM_ADDR_HIGH_VIRT_MASK       0xff00
+#define     MVPP2_BM_ADDR_HIGH_VIRT_SHIFT      8
 #define MVPP2_BM_PHY_RLS_REG(pool)             (0x6480 + ((pool) * 4))
 #define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK      BIT(0)
 #define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK      BIT(1)
 #define     MVPP2_BM_PHY_RLS_GRNTD_MASK                BIT(2)
 #define MVPP2_BM_VIRT_RLS_REG                  0x64c0
-#define MVPP2_BM_MC_RLS_REG                    0x64c4
+#define MVPP21_BM_MC_RLS_REG                   0x64c4
 #define     MVPP2_BM_MC_ID_MASK                        0xfff
 #define     MVPP2_BM_FORCE_RELEASE_MASK                BIT(12)
+#define MVPP22_BM_ADDR_HIGH_RLS_REG            0x64c4
+#define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK  0xff
+#define            MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK   0xff00
+#define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT 8
+#define MVPP22_BM_MC_RLS_REG                   0x64d4
 
 /* TX Scheduler registers */
 #define MVPP2_TXP_SCHED_PORT_INDEX_REG         0x8000
@@ -797,7 +808,8 @@ struct mvpp2_port {
 #define MVPP2_RXD_L3_IP6               BIT(30)
 #define MVPP2_RXD_BUF_HDR              BIT(31)
 
-struct mvpp2_tx_desc {
+/* HW TX descriptor for PPv2.1 */
+struct mvpp21_tx_desc {
        u32 command;            /* Options used by HW for packet transmitting.*/
        u8  packet_offset;      /* the offset from the buffer beginning */
        u8  phys_txq;           /* destination queue ID                 */
@@ -808,7 +820,8 @@ struct mvpp2_tx_desc {
        u32 reserved2;          /* reserved (for future use)            */
 };
 
-struct mvpp2_rx_desc {
+/* HW RX descriptor for PPv2.1 */
+struct mvpp21_rx_desc {
        u32 status;             /* info about received packet           */
        u16 reserved1;          /* parser_info (for future use, PnC)    */
        u16 data_size;          /* size of received packet in bytes     */
@@ -823,6 +836,45 @@ struct mvpp2_rx_desc {
        u32 reserved8;
 };
 
+/* HW TX descriptor for PPv2.2 */
+struct mvpp22_tx_desc {
+       u32 command;
+       u8  packet_offset;
+       u8  phys_txq;
+       u16 data_size;
+       u64 reserved1;
+       u64 buf_dma_addr_ptp;
+       u64 buf_cookie_misc;
+};
+
+/* HW RX descriptor for PPv2.2 */
+struct mvpp22_rx_desc {
+       u32 status;
+       u16 reserved1;
+       u16 data_size;
+       u32 reserved2;
+       u32 reserved3;
+       u64 buf_dma_addr_key_hash;
+       u64 buf_cookie_misc;
+};
+
+/* Opaque type used by the driver to manipulate the HW TX and RX
+ * descriptors
+ */
+struct mvpp2_tx_desc {
+       union {
+               struct mvpp21_tx_desc pp21;
+               struct mvpp22_tx_desc pp22;
+       };
+};
+
+struct mvpp2_rx_desc {
+       union {
+               struct mvpp21_rx_desc pp21;
+               struct mvpp22_rx_desc pp22;
+       };
+};
+
 /* Per-CPU Tx queue control */
 struct mvpp2_txq_pcpu {
        int cpu;
@@ -1023,59 +1075,90 @@ static void mvpp2_txdesc_dma_addr_set(struct mvpp2_port *port,
                                      struct mvpp2_tx_desc *tx_desc,
                                      dma_addr_t dma_addr)
 {
-       tx_desc->buf_dma_addr = dma_addr;
+       if (port->priv->hw_version == MVPP21) {
+               tx_desc->pp21.buf_dma_addr = dma_addr;
+       } else {
+               u64 val = (u64)dma_addr;
+
+               tx_desc->pp22.buf_dma_addr_ptp &= ~GENMASK_ULL(40, 0);
+               tx_desc->pp22.buf_dma_addr_ptp |= val;
+       }
 }
 
 static void mvpp2_txdesc_size_set(struct mvpp2_port *port,
                                  struct mvpp2_tx_desc *tx_desc,
                                  size_t size)
 {
-       tx_desc->data_size = size;
+       if (port->priv->hw_version == MVPP21)
+               tx_desc->pp21.data_size = size;
+       else
+               tx_desc->pp22.data_size = size;
 }
 
 static void mvpp2_txdesc_txq_set(struct mvpp2_port *port,
                                 struct mvpp2_tx_desc *tx_desc,
                                 unsigned int txq)
 {
-       tx_desc->phys_txq = txq;
+       if (port->priv->hw_version == MVPP21)
+               tx_desc->pp21.phys_txq = txq;
+       else
+               tx_desc->pp22.phys_txq = txq;
 }
 
 static void mvpp2_txdesc_cmd_set(struct mvpp2_port *port,
                                 struct mvpp2_tx_desc *tx_desc,
                                 unsigned int command)
 {
-       tx_desc->command = command;
+       if (port->priv->hw_version == MVPP21)
+               tx_desc->pp21.command = command;
+       else
+               tx_desc->pp22.command = command;
 }
 
 static void mvpp2_txdesc_offset_set(struct mvpp2_port *port,
                                    struct mvpp2_tx_desc *tx_desc,
                                    unsigned int offset)
 {
-       tx_desc->packet_offset = offset;
+       if (port->priv->hw_version == MVPP21)
+               tx_desc->pp21.packet_offset = offset;
+       else
+               tx_desc->pp22.packet_offset = offset;
 }
 
 static dma_addr_t mvpp2_rxdesc_dma_addr_get(struct mvpp2_port *port,
                                            struct mvpp2_rx_desc *rx_desc)
 {
-       return rx_desc->buf_dma_addr;
+       if (port->priv->hw_version == MVPP21)
+               return rx_desc->pp21.buf_dma_addr;
+       else
+               return rx_desc->pp22.buf_dma_addr_key_hash & GENMASK_ULL(40, 0);
 }
 
 static unsigned long mvpp2_rxdesc_cookie_get(struct mvpp2_port *port,
                                             struct mvpp2_rx_desc *rx_desc)
 {
-       return rx_desc->buf_cookie;
+       if (port->priv->hw_version == MVPP21)
+               return rx_desc->pp21.buf_cookie;
+       else
+               return rx_desc->pp22.buf_cookie_misc & GENMASK_ULL(40, 0);
 }
 
 static size_t mvpp2_rxdesc_size_get(struct mvpp2_port *port,
                                    struct mvpp2_rx_desc *rx_desc)
 {
-       return rx_desc->data_size;
+       if (port->priv->hw_version == MVPP21)
+               return rx_desc->pp21.data_size;
+       else
+               return rx_desc->pp22.data_size;
 }
 
 static u32 mvpp2_rxdesc_status_get(struct mvpp2_port *port,
                                   struct mvpp2_rx_desc *rx_desc)
 {
-       return rx_desc->status;
+       if (port->priv->hw_version == MVPP21)
+               return rx_desc->pp21.status;
+       else
+               return rx_desc->pp22.status;
 }
 
 static void mvpp2_txq_inc_get(struct mvpp2_txq_pcpu *txq_pcpu)
@@ -2260,6 +2343,12 @@ static int mvpp2_bm_pool_create(struct udevice *dev,
 {
        u32 val;
 
+       /* Number of buffer pointers must be a multiple of 16, as per
+        * hardware constraints
+        */
+       if (!IS_ALIGNED(size, 16))
+               return -EINVAL;
+
        bm_pool->virt_addr = buffer_loc.bm_pool[bm_pool->id];
        bm_pool->dma_addr = (dma_addr_t)buffer_loc.bm_pool[bm_pool->id];
        if (!bm_pool->virt_addr)
@@ -2273,7 +2362,7 @@ static int mvpp2_bm_pool_create(struct udevice *dev,
        }
 
        mvpp2_write(priv, MVPP2_BM_POOL_BASE_REG(bm_pool->id),
-                   bm_pool->dma_addr);
+                   lower_32_bits(bm_pool->dma_addr));
        mvpp2_write(priv, MVPP2_BM_POOL_SIZE_REG(bm_pool->id), size);
 
        val = mvpp2_read(priv, MVPP2_BM_POOL_CTRL_REG(bm_pool->id));
@@ -2380,17 +2469,20 @@ static int mvpp2_bm_init(struct udevice *dev, struct mvpp2 *priv)
 static void mvpp2_rxq_long_pool_set(struct mvpp2_port *port,
                                    int lrxq, int long_pool)
 {
-       u32 val;
+       u32 val, mask;
        int prxq;
 
        /* Get queue physical ID */
        prxq = port->rxqs[lrxq]->id;
 
-       val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
-       val &= ~MVPP2_RXQ_POOL_LONG_MASK;
-       val |= ((long_pool << MVPP2_RXQ_POOL_LONG_OFFS) &
-                   MVPP2_RXQ_POOL_LONG_MASK);
+       if (port->priv->hw_version == MVPP21)
+               mask = MVPP21_RXQ_POOL_LONG_MASK;
+       else
+               mask = MVPP22_RXQ_POOL_LONG_MASK;
 
+       val = mvpp2_read(port->priv, MVPP2_RXQ_CONFIG_REG(prxq));
+       val &= ~mask;
+       val |= (long_pool << MVPP2_RXQ_POOL_LONG_OFFS) & mask;
        mvpp2_write(port->priv, MVPP2_RXQ_CONFIG_REG(prxq), val);
 }
 
@@ -2416,6 +2508,21 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
                                     dma_addr_t buf_dma_addr,
                                     unsigned long buf_phys_addr)
 {
+       if (port->priv->hw_version == MVPP22) {
+               u32 val = 0;
+
+               if (sizeof(dma_addr_t) == 8)
+                       val |= upper_32_bits(buf_dma_addr) &
+                               MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK;
+
+               if (sizeof(phys_addr_t) == 8)
+                       val |= (upper_32_bits(buf_phys_addr)
+                               << MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT) &
+                               MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK;
+
+               mvpp2_write(port->priv, MVPP22_BM_ADDR_HIGH_RLS_REG, val);
+       }
+
        /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
         * returned in the "cookie" field of the RX
         * descriptor. Instead of storing the virtual address, we
@@ -2648,16 +2755,18 @@ static void mvpp2_defaults_set(struct mvpp2_port *port)
 {
        int tx_port_num, val, queue, ptxq, lrxq;
 
-       /* Configure port to loopback if needed */
-       if (port->flags & MVPP2_F_LOOPBACK)
-               mvpp2_port_loopback_set(port);
-
-       /* Update TX FIFO MIN Threshold */
-       val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
-       val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
-       /* Min. TX threshold must be less than minimal packet length */
-       val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
-       writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+       if (port->priv->hw_version == MVPP21) {
+               /* Configure port to loopback if needed */
+               if (port->flags & MVPP2_F_LOOPBACK)
+                       mvpp2_port_loopback_set(port);
+
+               /* Update TX FIFO MIN Threshold */
+               val = readl(port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+               val &= ~MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK;
+               /* Min. TX threshold must be less than minimal packet length */
+               val |= MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(64 - 4 - 2);
+               writel(val, port->base + MVPP2_GMAC_PORT_FIFO_CFG_1_REG);
+       }
 
        /* Disable Legacy WRR, Disable EJP, Release from reset */
        tx_port_num = mvpp2_egress_port(port);
@@ -4165,7 +4274,10 @@ static int mvpp2_base_probe(struct udevice *dev)
        for (i = 0; i < MVPP2_BM_POOLS_NUM; i++) {
                buffer_loc.bm_pool[i] =
                        (unsigned long *)((unsigned long)bd_space + size);
-               size += MVPP2_BM_POOL_SIZE_MAX * sizeof(u32);
+               if (priv->hw_version == MVPP21)
+                       size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u32);
+               else
+                       size += MVPP2_BM_POOL_SIZE_MAX * 2 * sizeof(u64);
        }
 
        for (i = 0; i < MVPP2_BM_LONG_BUF_NUM; i++) {