net: mvneta: Make driver 64bit safe

The mvneta driver is also used on the ARMv8 64bit Armada 3700 SoC. This
patch fixes the compilation warnings seen on this 64bit platform.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Kostya Porotchkin <kostap@marvell.com>
Cc: Wilson Ding <dingwei@marvell.com>
Cc: Victor Gu <xigu@marvell.com>
Cc: Hua Jing <jinghua@marvell.com>
Cc: Terry Zhou <bjzhou@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/mvneta.c b/drivers/net/mvneta.c
index 7ed9e29..a1bf227 100644
--- a/drivers/net/mvneta.c
+++ b/drivers/net/mvneta.c
@@ -1022,7 +1022,7 @@
 	txq->size = pp->tx_ring_size;
 
 	/* Allocate memory for TX descriptors */
-	txq->descs_phys = (u32)txq->descs;
+	txq->descs_phys = (dma_addr_t)txq->descs;
 	if (txq->descs == NULL)
 		return -ENOMEM;
 
@@ -1504,10 +1504,10 @@
 	/* Get a descriptor for the first part of the packet */
 	tx_desc = mvneta_txq_next_desc_get(txq);
 
-	tx_desc->buf_phys_addr = (u32)packet;
+	tx_desc->buf_phys_addr = (u32)(uintptr_t)packet;
 	tx_desc->data_size = length;
-	flush_dcache_range((u32)packet,
-			   (u32)packet + ALIGN(length, PKTALIGN));
+	flush_dcache_range((ulong)packet,
+			   (ulong)packet + ALIGN(length, PKTALIGN));
 
 	/* First and Last descriptor */
 	tx_desc->command = MVNETA_TX_L4_CSUM_NOT | MVNETA_TXD_FLZ_DESC;
@@ -1563,7 +1563,7 @@
 		rx_bytes = rx_desc->data_size - 6;
 
 		/* give packet to stack - skip on first 2 bytes */
-		data = (u8 *)rx_desc->buf_cookie + 2;
+		data = (u8 *)(uintptr_t)rx_desc->buf_cookie + 2;
 		/*
 		 * No cache invalidation needed here, since the rx_buffer's are
 		 * located in a uncached memory region
@@ -1594,13 +1594,13 @@
 	if (!buffer_loc.tx_descs) {
 		/* Align buffer area for descs and rx_buffers to 1MiB */
 		bd_space = memalign(1 << MMU_SECTION_SHIFT, BD_SPACE);
-		mmu_set_region_dcache_behaviour((u32)bd_space, BD_SPACE,
+		mmu_set_region_dcache_behaviour((phys_addr_t)bd_space, BD_SPACE,
 						DCACHE_OFF);
 		buffer_loc.tx_descs = (struct mvneta_tx_desc *)bd_space;
 		buffer_loc.rx_descs = (struct mvneta_rx_desc *)
-			((u32)bd_space +
+			((phys_addr_t)bd_space +
 			 MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc));
-		buffer_loc.rx_buffers = (u32)
+		buffer_loc.rx_buffers = (phys_addr_t)
 			(bd_space +
 			 MVNETA_MAX_TXD * sizeof(struct mvneta_tx_desc) +
 			 MVNETA_MAX_RXD * sizeof(struct mvneta_rx_desc));