diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-11-17 17:42:59 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-11-20 18:12:59 -0800 |
| commit | 31c54867fdea452023cc5faba939a6afec1b9d7e (patch) | |
| tree | 0308f6694a60e8e0f8cce83d99c8292316de8901 /drivers/net/ethernet/mediatek/mtk_eth_soc.c | |
| parent | 4da325cc6143f499b809bd4363d65d67b79b6c27 (diff) | |
net: ethernet: mtk_wed: add support for devices with more than 4GB of dram
Introduce WED offloading support for boards with more than 4GB of
memory.
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/1c7efdf5d384ea7af3c0209723e40b2ee0f956bf.1700239272.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/mediatek/mtk_eth_soc.c')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 3cf6589cfdac..a6e91573f8da 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1159,15 +1159,18 @@ static int mtk_init_fq_dma(struct mtk_eth *eth) phy_ring_tail = eth->phy_scratch_ring + soc->txrx.txd_size * (cnt - 1); for (i = 0; i < cnt; i++) { + dma_addr_t addr = dma_addr + i * MTK_QDMA_PAGE_SIZE; struct mtk_tx_dma_v2 *txd; txd = eth->scratch_ring + i * soc->txrx.txd_size; - txd->txd1 = dma_addr + i * MTK_QDMA_PAGE_SIZE; + txd->txd1 = addr; if (i < cnt - 1) txd->txd2 = eth->phy_scratch_ring + (i + 1) * soc->txrx.txd_size; txd->txd3 = TX_DMA_PLEN0(MTK_QDMA_PAGE_SIZE); + if (MTK_HAS_CAPS(soc->caps, MTK_36BIT_DMA)) + txd->txd3 |= TX_DMA_PREP_ADDR64(addr); txd->txd4 = 0; if (mtk_is_netsys_v2_or_greater(eth)) { txd->txd5 = 0; |