diff options
Diffstat (limited to 'drivers/net/macb.c')
| -rw-r--r-- | drivers/net/macb.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/drivers/net/macb.c b/drivers/net/macb.c index aa39284..98e8c73 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -28,7 +28,7 @@ * allocate our own, but we need one such buffer in case a packet * wraps around the DMA ring so that we have to copy it. * - * Therefore, define CFG_RX_ETH_BUFFER to 1 in the board-specific + * Therefore, define CONFIG_SYS_RX_ETH_BUFFER to 1 in the board-specific * configuration header. This way, the core allocates one RX buffer * and one TX buffer, each of which can hold a ethernet packet of * maximum size. @@ -40,6 +40,7 @@ */ #include <net.h> +#include <netdev.h> #include <malloc.h> #include <linux/mii.h> @@ -51,11 +52,11 @@ #define barrier() asm volatile("" ::: "memory") -#define CFG_MACB_RX_BUFFER_SIZE 4096 -#define CFG_MACB_RX_RING_SIZE (CFG_MACB_RX_BUFFER_SIZE / 128) -#define CFG_MACB_TX_RING_SIZE 16 -#define CFG_MACB_TX_TIMEOUT 1000 -#define CFG_MACB_AUTONEG_TIMEOUT 5000000 +#define CONFIG_SYS_MACB_RX_BUFFER_SIZE 4096 +#define CONFIG_SYS_MACB_RX_RING_SIZE (CONFIG_SYS_MACB_RX_BUFFER_SIZE / 128) +#define CONFIG_SYS_MACB_TX_RING_SIZE 16 +#define CONFIG_SYS_MACB_TX_TIMEOUT 1000 +#define CONFIG_SYS_MACB_AUTONEG_TIMEOUT 5000000 struct macb_dma_desc { u32 addr; @@ -177,7 +178,7 @@ static int macb_send(struct eth_device *netdev, volatile void *packet, ctrl = length & TXBUF_FRMLEN_MASK; ctrl |= TXBUF_FRAME_END; - if (tx_head == (CFG_MACB_TX_RING_SIZE - 1)) { + if (tx_head == (CONFIG_SYS_MACB_TX_RING_SIZE - 1)) { ctrl |= TXBUF_WRAP; macb->tx_head = 0; } else @@ -192,7 +193,7 @@ static int macb_send(struct eth_device *netdev, volatile void *packet, * I guess this is necessary because the networking core may * re-use the transmit buffer as soon as we return... */ - for (i = 0; i <= CFG_MACB_TX_TIMEOUT; i++) { + for (i = 0; i <= CONFIG_SYS_MACB_TX_TIMEOUT; i++) { barrier(); ctrl = macb->tx_ring[tx_head].ctrl; if (ctrl & TXBUF_USED) @@ -202,7 +203,7 @@ static int macb_send(struct eth_device *netdev, volatile void *packet, dma_unmap_single(packet, length, paddr); - if (i <= CFG_MACB_TX_TIMEOUT) { + if (i <= CONFIG_SYS_MACB_TX_TIMEOUT) { if (ctrl & TXBUF_UNDERRUN) printf("%s: TX underrun\n", netdev->name); if (ctrl & TXBUF_EXHAUSTED) @@ -225,7 +226,7 @@ static void reclaim_rx_buffers(struct macb_device *macb, while (i > new_tail) { macb->rx_ring[i].addr &= ~RXADDR_USED; i++; - if (i > CFG_MACB_RX_RING_SIZE) + if (i > CONFIG_SYS_MACB_RX_RING_SIZE) i = 0; } @@ -264,7 +265,7 @@ static int macb_recv(struct eth_device *netdev) if (wrapped) { unsigned int headlen, taillen; - headlen = 128 * (CFG_MACB_RX_RING_SIZE + headlen = 128 * (CONFIG_SYS_MACB_RX_RING_SIZE - macb->rx_tail); taillen = length - headlen; memcpy((void *)NetRxPackets[0], @@ -275,11 +276,11 @@ static int macb_recv(struct eth_device *netdev) } NetReceive(buffer, length); - if (++rx_tail >= CFG_MACB_RX_RING_SIZE) + if (++rx_tail >= CONFIG_SYS_MACB_RX_RING_SIZE) rx_tail = 0; reclaim_rx_buffers(macb, rx_tail); } else { - if (++rx_tail >= CFG_MACB_RX_RING_SIZE) { + if (++rx_tail >= CONFIG_SYS_MACB_RX_RING_SIZE) { wrapped = 1; rx_tail = 0; } @@ -302,7 +303,7 @@ static void macb_phy_reset(struct macb_device *macb) macb_mdio_write(macb, MII_BMCR, (BMCR_ANENABLE | BMCR_ANRESTART)); - for (i = 0; i < CFG_MACB_AUTONEG_TIMEOUT / 100; i++) { + for (i = 0; i < CONFIG_SYS_MACB_AUTONEG_TIMEOUT / 100; i++) { status = macb_mdio_read(macb, MII_BMSR); if (status & BMSR_ANEGCOMPLETE) break; @@ -336,7 +337,7 @@ static int macb_phy_init(struct macb_device *macb) /* Try to re-negotiate if we don't have link already. */ macb_phy_reset(macb); - for (i = 0; i < CFG_MACB_AUTONEG_TIMEOUT / 100; i++) { + for (i = 0; i < CONFIG_SYS_MACB_AUTONEG_TIMEOUT / 100; i++) { status = macb_mdio_read(macb, MII_BMSR); if (status & BMSR_LSTATUS) break; @@ -387,16 +388,16 @@ static int macb_init(struct eth_device *netdev, bd_t *bd) /* initialize DMA descriptors */ paddr = macb->rx_buffer_dma; - for (i = 0; i < CFG_MACB_RX_RING_SIZE; i++) { - if (i == (CFG_MACB_RX_RING_SIZE - 1)) + for (i = 0; i < CONFIG_SYS_MACB_RX_RING_SIZE; i++) { + if (i == (CONFIG_SYS_MACB_RX_RING_SIZE - 1)) paddr |= RXADDR_WRAP; macb->rx_ring[i].addr = paddr; macb->rx_ring[i].ctrl = 0; paddr += 128; } - for (i = 0; i < CFG_MACB_TX_RING_SIZE; i++) { + for (i = 0; i < CONFIG_SYS_MACB_TX_RING_SIZE; i++) { macb->tx_ring[i].addr = 0; - if (i == (CFG_MACB_TX_RING_SIZE - 1)) + if (i == (CONFIG_SYS_MACB_TX_RING_SIZE - 1)) macb->tx_ring[i].ctrl = TXBUF_USED | TXBUF_WRAP; else macb->tx_ring[i].ctrl = TXBUF_USED; @@ -472,12 +473,12 @@ int macb_eth_initialize(int id, void *regs, unsigned int phy_addr) netdev = &macb->netdev; - macb->rx_buffer = dma_alloc_coherent(CFG_MACB_RX_BUFFER_SIZE, + macb->rx_buffer = dma_alloc_coherent(CONFIG_SYS_MACB_RX_BUFFER_SIZE, &macb->rx_buffer_dma); - macb->rx_ring = dma_alloc_coherent(CFG_MACB_RX_RING_SIZE + macb->rx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_RX_RING_SIZE * sizeof(struct macb_dma_desc), &macb->rx_ring_dma); - macb->tx_ring = dma_alloc_coherent(CFG_MACB_TX_RING_SIZE + macb->tx_ring = dma_alloc_coherent(CONFIG_SYS_MACB_TX_RING_SIZE * sizeof(struct macb_dma_desc), &macb->tx_ring_dma); |