X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fnet%2Fftmac110.c;h=4f17015bc593edece051b70e6a508e7812740f32;hb=1b564cecc358ccd08691c879fca95c2075fcb702;hp=e911dd31ec7692025462a57e5d08e9d0f630c7aa;hpb=1a4596601fd395f3afb8f82f3f840c5e00bdd57a;p=u-boot diff --git a/drivers/net/ftmac110.c b/drivers/net/ftmac110.c index e911dd31ec..4f17015bc5 100644 --- a/drivers/net/ftmac110.c +++ b/drivers/net/ftmac110.c @@ -1,7 +1,7 @@ /* * Faraday 10/100Mbps Ethernet Controller * - * (C) Copyright 2010 Faraday Technology + * (C) Copyright 2013 Faraday Technology * Dante Su * * SPDX-License-Identifier: GPL-2.0+ @@ -54,11 +54,11 @@ struct ftmac110_chip { uint32_t lnkup; uint32_t phy_addr; - struct ftmac110_rxd *rxd; + struct ftmac110_desc *rxd; ulong rxd_dma; uint32_t rxd_idx; - struct ftmac110_txd *txd; + struct ftmac110_desc *txd; ulong txd_dma; uint32_t txd_idx; }; @@ -69,7 +69,7 @@ static uint16_t mdio_read(struct eth_device *dev, uint8_t phyaddr, uint8_t phyreg) { struct ftmac110_chip *chip = dev->priv; - struct ftmac110_regs __iomem *regs = chip->regs; + struct ftmac110_regs *regs = chip->regs; uint32_t tmp, ts; uint16_t ret = 0xffff; @@ -98,7 +98,7 @@ static void mdio_write(struct eth_device *dev, uint8_t phyaddr, uint8_t phyreg, uint16_t phydata) { struct ftmac110_chip *chip = dev->priv; - struct ftmac110_regs __iomem *regs = chip->regs; + struct ftmac110_regs *regs = chip->regs; uint32_t tmp, ts; tmp = PHYCR_WRITE @@ -195,7 +195,7 @@ static int ftmac110_reset(struct eth_device *dev) uint8_t *a; uint32_t i, maccr; struct ftmac110_chip *chip = dev->priv; - struct ftmac110_regs __iomem *regs = chip->regs; + struct ftmac110_regs *regs = chip->regs; /* 1. MAC reset */ writel(MACCR_RESET, ®s->maccr); @@ -212,14 +212,15 @@ static int ftmac110_reset(struct eth_device *dev) /* 1-1. Init tx ring */ for (i = 0; i < CFG_TXDES_NUM; ++i) { /* owned by SW */ - chip->txd[i].ct[0] = 0; + chip->txd[i].ctrl &= cpu_to_le64(FTMAC110_TXD_CLRMASK); } chip->txd_idx = 0; /* 1-2. Init rx ring */ for (i = 0; i < CFG_RXDES_NUM; ++i) { /* owned by HW */ - chip->rxd[i].ct[0] = cpu_to_le32(FTMAC110_RXCT0_OWNER); + chip->rxd[i].ctrl &= cpu_to_le64(FTMAC110_RXD_CLRMASK); + chip->rxd[i].ctrl |= cpu_to_le64(FTMAC110_RXD_OWNER); } chip->rxd_idx = 0; @@ -268,7 +269,7 @@ static int ftmac110_probe(struct eth_device *dev, bd_t *bis) static void ftmac110_halt(struct eth_device *dev) { struct ftmac110_chip *chip = dev->priv; - struct ftmac110_regs __iomem *regs = chip->regs; + struct ftmac110_regs *regs = chip->regs; writel(0, ®s->imr); writel(0, ®s->maccr); @@ -279,8 +280,9 @@ static void ftmac110_halt(struct eth_device *dev) static int ftmac110_send(struct eth_device *dev, void *pkt, int len) { struct ftmac110_chip *chip = dev->priv; - struct ftmac110_regs __iomem *regs = chip->regs; - struct ftmac110_txd *des; + struct ftmac110_regs *regs = chip->regs; + struct ftmac110_desc *txd; + uint64_t ctrl; if (!chip->lnkup) return 0; @@ -292,24 +294,26 @@ static int ftmac110_send(struct eth_device *dev, void *pkt, int len) len = max(60, len); - des = &chip->txd[chip->txd_idx]; - if (le32_to_cpu(des->ct[0]) & FTMAC110_TXCT0_OWNER) { + txd = &chip->txd[chip->txd_idx]; + ctrl = le64_to_cpu(txd->ctrl); + if (ctrl & FTMAC110_TXD_OWNER) { /* kick-off Tx DMA */ writel(0xffffffff, ®s->txpd); printf("ftmac110: out of txd\n"); return 0; } - memcpy(des->vbuf, (void *)pkt, len); - dma_map_single(des->vbuf, len, DMA_TO_DEVICE); + memcpy(txd->vbuf, (void *)pkt, len); + dma_map_single(txd->vbuf, len, DMA_TO_DEVICE); - /* update len, fts and lts */ - des->ct[1] &= cpu_to_le32(FTMAC110_TXCT1_END); - des->ct[1] |= cpu_to_le32(FTMAC110_TXCT1_LEN(len) - | FTMAC110_TXCT1_FTS | FTMAC110_TXCT1_LTS); - - /* set owner bit and clear others */ - des->ct[0] = cpu_to_le32(FTMAC110_TXCT0_OWNER); + /* clear control bits */ + ctrl &= FTMAC110_TXD_CLRMASK; + /* set len, fts and lts */ + ctrl |= FTMAC110_TXD_LEN(len) | FTMAC110_TXD_FTS | FTMAC110_TXD_LTS; + /* set owner bit */ + ctrl |= FTMAC110_TXD_OWNER; + /* write back to descriptor */ + txd->ctrl = cpu_to_le64(ctrl); /* kick-off Tx DMA */ writel(0xffffffff, ®s->txpd); @@ -322,32 +326,35 @@ static int ftmac110_send(struct eth_device *dev, void *pkt, int len) static int ftmac110_recv(struct eth_device *dev) { struct ftmac110_chip *chip = dev->priv; - struct ftmac110_rxd *des; - uint32_t ct0, len, rlen = 0; + struct ftmac110_desc *rxd; + uint32_t len, rlen = 0; + uint64_t ctrl; uint8_t *buf; if (!chip->lnkup) return 0; do { - des = &chip->rxd[chip->rxd_idx]; - ct0 = le32_to_cpu(des->ct[0]); - if (ct0 & FTMAC110_RXCT0_OWNER) + rxd = &chip->rxd[chip->rxd_idx]; + ctrl = le64_to_cpu(rxd->ctrl); + if (ctrl & FTMAC110_RXD_OWNER) break; - len = FTMAC110_RXCT0_LEN(ct0); - buf = des->vbuf; + len = (uint32_t)FTMAC110_RXD_LEN(ctrl); + buf = rxd->vbuf; - if (ct0 & FTMAC110_RXCT0_ERRMASK) { + if (ctrl & FTMAC110_RXD_ERRMASK) { printf("ftmac110: rx error\n"); } else { dma_map_single(buf, len, DMA_FROM_DEVICE); - NetReceive(buf, len); + net_process_received_packet(buf, len); rlen += len; } /* owned by hardware */ - des->ct[0] = cpu_to_le32(FTMAC110_RXCT0_OWNER); + ctrl &= FTMAC110_RXD_CLRMASK; + ctrl |= FTMAC110_RXD_OWNER; + rxd->ctrl |= cpu_to_le64(ctrl); chip->rxd_idx = (chip->rxd_idx + 1) % CFG_RXDES_NUM; } while (0); @@ -417,47 +424,45 @@ int ftmac110_initialize(bd_t *bis) dev->send = ftmac110_send; dev->recv = ftmac110_recv; - if (!eth_getenv_enetaddr_by_index("eth", card_nr, dev->enetaddr)) - eth_random_enetaddr(dev->enetaddr); - /* allocate tx descriptors (it must be 16 bytes aligned) */ chip->txd = dma_alloc_coherent( - sizeof(struct ftmac110_txd) * CFG_TXDES_NUM, &chip->txd_dma); + sizeof(struct ftmac110_desc) * CFG_TXDES_NUM, &chip->txd_dma); if (!chip->txd) panic("ftmac110: out of memory 3\n"); memset(chip->txd, 0, - sizeof(struct ftmac110_txd) * CFG_TXDES_NUM); + sizeof(struct ftmac110_desc) * CFG_TXDES_NUM); for (i = 0; i < CFG_TXDES_NUM; ++i) { void *va = memalign(ARCH_DMA_MINALIGN, CFG_XBUF_SIZE); + if (!va) panic("ftmac110: out of memory 4\n"); - chip->txd[i].vbuf = va; - chip->txd[i].buf = cpu_to_le32(virt_to_phys(va)); - chip->txd[i].ct[1] = 0; - chip->txd[i].ct[0] = 0; /* owned by SW */ + chip->txd[i].vbuf = va; + chip->txd[i].pbuf = cpu_to_le32(virt_to_phys(va)); + chip->txd[i].ctrl = 0; /* owned by SW */ } - chip->txd[i - 1].ct[1] |= cpu_to_le32(FTMAC110_TXCT1_END); + chip->txd[i - 1].ctrl |= cpu_to_le64(FTMAC110_TXD_END); chip->txd_idx = 0; /* allocate rx descriptors (it must be 16 bytes aligned) */ chip->rxd = dma_alloc_coherent( - sizeof(struct ftmac110_rxd) * CFG_RXDES_NUM, &chip->rxd_dma); + sizeof(struct ftmac110_desc) * CFG_RXDES_NUM, &chip->rxd_dma); if (!chip->rxd) panic("ftmac110: out of memory 4\n"); memset((void *)chip->rxd, 0, - sizeof(struct ftmac110_rxd) * CFG_RXDES_NUM); + sizeof(struct ftmac110_desc) * CFG_RXDES_NUM); for (i = 0; i < CFG_RXDES_NUM; ++i) { void *va = memalign(ARCH_DMA_MINALIGN, CFG_XBUF_SIZE + 2); + if (!va) panic("ftmac110: out of memory 5\n"); /* it needs to be exactly 2 bytes aligned */ va = ((uint8_t *)va + 2); - chip->rxd[i].vbuf = va; - chip->rxd[i].buf = cpu_to_le32(virt_to_phys(va)); - chip->rxd[i].ct[1] = cpu_to_le32(CFG_XBUF_SIZE); - chip->rxd[i].ct[0] = cpu_to_le32(FTMAC110_RXCT0_OWNER); + chip->rxd[i].vbuf = va; + chip->rxd[i].pbuf = cpu_to_le32(virt_to_phys(va)); + chip->rxd[i].ctrl = cpu_to_le64(FTMAC110_RXD_OWNER + | FTMAC110_RXD_BUFSZ(CFG_XBUF_SIZE)); } - chip->rxd[i - 1].ct[1] |= cpu_to_le32(FTMAC110_RXCT1_END); + chip->rxd[i - 1].ctrl |= cpu_to_le64(FTMAC110_RXD_END); chip->rxd_idx = 0; eth_register(dev);