driver: net: Fix pointer conversion warnings for xilinx_zynqmp_ep

Fix below warnings happening for xilinx_zynqmp_ep_defconfig

drivers/net/zynq_gem.c: In function ‘zynq_gem_init’:
drivers/net/zynq_gem.c:330:7: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
      ((u32)(priv->rxbuffers) +
       ^
In file included from drivers/net/zynq_gem.c:19:0:
drivers/net/zynq_gem.c:336:10: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
   writel((u32)priv->rx_bd, &regs->rxqbase);
          ^
./arch/arm/include/asm/io.h:146:34: note: in definition of macro ‘writel’
 #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
                                  ^
drivers/net/zynq_gem.c: In function ‘zynq_gem_send’:
drivers/net/zynq_gem.c:399:9: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
  writel((u32)priv->tx_bd, &regs->txqbase);
         ^
./arch/arm/include/asm/io.h:146:34: note: in definition of macro ‘writel’
 #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; })
                                  ^
drivers/net/zynq_gem.c:404:22: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
  priv->tx_bd->addr = (u32)ptr;
                      ^
drivers/net/zynq_gem.c:409:9: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
  addr = (u32) ptr;
         ^
drivers/net/zynq_gem.c:414:9: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
  addr = (u32)priv->rxbuffers;
         ^
drivers/net/zynq_gem.c: In function ‘zynq_gem_recv’:
drivers/net/zynq_gem.c:454:31: warning: cast to pointer from integer
of different size [-Wint-to-pointer-cast]
   net_process_received_packet((u8 *)addr, frame_len);
                               ^
drivers/net/zynq_gem.c: In function ‘zynq_gem_initialize’:
drivers/net/zynq_gem.c:533:35: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
  priv->rx_bd = (struct emac_bd *)((u32)bd_space + BD_SEPRN_SPACE);
                                   ^
drivers/net/zynq_gem.c:533:16: warning: cast to pointer from integer
of different size [-Wint-to-pointer-cast]
  priv->rx_bd = (struct emac_bd *)((u32)bd_space + BD_SEPRN_SPACE);

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>

drivers/net/zynq_gem.c

@@ -327,13 +327,13 @@ static int zynq_gem_init(struct eth_device *dev, bd_t * bis)
 		for (i = 0; i < RX_BUF; i++) {
 			priv->rx_bd[i].status = 0xF0000000;
 			priv->rx_bd[i].addr =
-					((u32)(priv->rxbuffers) +
+					((ulong)(priv->rxbuffers) +
 							(i * PKTSIZE_ALIGN));
 		}
 		/* WRAP bit to last BD */
 		priv->rx_bd[--i].addr |= ZYNQ_GEM_RXBUF_WRAP_MASK;
 		/* Write RxBDs to IP */
-		writel((u32)priv->rx_bd, &regs->rxqbase);
+		writel((ulong)priv->rx_bd, &regs->rxqbase);
 
 		/* Setup for DMA Configuration register */
 		writel(ZYNQ_GEM_DMACR_INIT, &regs->dmacr);
@@ -396,22 +396,22 @@ static int zynq_gem_send(struct eth_device *dev, void *ptr, int len)
 	struct zynq_gem_regs *regs = (struct zynq_gem_regs *)dev->iobase;
 
 	/* setup BD */
-	writel((u32)priv->tx_bd, &regs->txqbase);
+	writel((ulong)priv->tx_bd, &regs->txqbase);
 
 	/* Setup Tx BD */
 	memset(priv->tx_bd, 0, sizeof(struct emac_bd));
 
-	priv->tx_bd->addr = (u32)ptr;
+	priv->tx_bd->addr = (ulong)ptr;
 	priv->tx_bd->status = (len & ZYNQ_GEM_TXBUF_FRMLEN_MASK) |
 			       ZYNQ_GEM_TXBUF_LAST_MASK |
 			       ZYNQ_GEM_TXBUF_WRAP_MASK;
 
-	addr = (u32) ptr;
+	addr = (ulong) ptr;
 	addr &= ~(ARCH_DMA_MINALIGN - 1);
 	size = roundup(len, ARCH_DMA_MINALIGN);
 	flush_dcache_range(addr, addr + size);
 
-	addr = (u32)priv->rxbuffers;
+	addr = (ulong)priv->rxbuffers;
 	addr &= ~(ARCH_DMA_MINALIGN - 1);
 	size = roundup((RX_BUF * PKTSIZE_ALIGN), ARCH_DMA_MINALIGN);
 	flush_dcache_range(addr, addr + size);
@@ -451,7 +451,7 @@ static int zynq_gem_recv(struct eth_device *dev)
 		u32 addr = current_bd->addr & ZYNQ_GEM_RXBUF_ADD_MASK;
 		addr &= ~(ARCH_DMA_MINALIGN - 1);
 
-		net_process_received_packet((u8 *)addr, frame_len);
+		net_process_received_packet((u8 *)(ulong)addr, frame_len);
 
 		if (current_bd->status & ZYNQ_GEM_RXBUF_SOF_MASK)
 			priv->rx_first_buf = priv->rxbd_current;
@@ -530,7 +530,7 @@ int zynq_gem_initialize(bd_t *bis, phys_addr_t base_addr,
 
 	/* Initialize the bd spaces for tx and rx bd's */
 	priv->tx_bd = (struct emac_bd *)bd_space;
-	priv->rx_bd = (struct emac_bd *)((u32)bd_space + BD_SEPRN_SPACE);
+	priv->rx_bd = (struct emac_bd *)((ulong)bd_space + BD_SEPRN_SPACE);
 
 	priv->phyaddr = phy_addr;
 	priv->emio = emio;