diff options
Diffstat (limited to 'target/linux/sunxi/patches-4.9')
3 files changed, 208 insertions, 190 deletions
diff --git a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch index 285e4d2762..a5cdec5525 100644 --- a/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch +++ b/target/linux/sunxi/patches-4.9/0052-stmmac-form-4-12.patch @@ -2887,7 +2887,7 @@ + + /* Display RX ring */ + priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true); - } ++ } +} + +static void stmmac_display_tx_rings(struct stmmac_priv *priv) @@ -2906,15 +2906,15 @@ + head_tx = (void *)tx_q->dma_etx; + else + head_tx = (void *)tx_q->dma_tx; ++ ++ priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false); + } ++} - /* Display Rx ring */ - priv->hw->desc->display_ring(head_rx, DMA_RX_SIZE, true); - /* Display Tx ring */ - priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false); -+ priv->hw->desc->display_ring(head_tx, DMA_TX_SIZE, false); -+ } -+} -+ +static void stmmac_display_rings(struct stmmac_priv *priv) +{ + /* Display RX ring */ @@ -3131,7 +3131,7 @@ if (priv->hw->mode->set_16kib_bfsize) bfsize = priv->hw->mode->set_16kib_bfsize(dev->mtu); -@@ -1018,235 +1228,409 @@ static int init_dma_desc_rings(struct ne +@@ -1018,257 +1228,516 @@ static int init_dma_desc_rings(struct ne priv->dma_buf_sz = bfsize; @@ -3163,7 +3163,10 @@ + p = &((rx_q->dma_erx + i)->basic); + else + p = rx_q->dma_rx + i; -+ + +- ret = stmmac_init_rx_buffers(priv, p, i, flags); +- if (ret) +- goto err_init_rx_buffers; + ret = stmmac_init_rx_buffers(priv, p, i, flags, + queue); + if (ret) @@ -3173,18 +3176,15 @@ + rx_q->rx_skbuff[i], rx_q->rx_skbuff[i]->data, + (unsigned int)rx_q->rx_skbuff_dma[i]); + } - -- ret = stmmac_init_rx_buffers(priv, p, i, flags); -- if (ret) -- goto err_init_rx_buffers; ++ + rx_q->cur_rx = 0; + rx_q->dirty_rx = (unsigned int)(i - DMA_RX_SIZE); ++ ++ stmmac_clear_rx_descriptors(priv, queue); - netif_dbg(priv, probe, priv->dev, "[%p]\t[%p]\t[%x]\n", - priv->rx_skbuff[i], priv->rx_skbuff[i]->data, - (unsigned int)priv->rx_skbuff_dma[i]); -+ stmmac_clear_rx_descriptors(priv, queue); -+ + /* Setup the chained descriptor addresses */ + if (priv->mode == STMMAC_CHAIN_MODE) { + if (priv->extend_desc) @@ -3277,8 +3277,13 @@ + priv->hw->mode->init(tx_q->dma_tx, + tx_q->dma_tx_phy, + DMA_TX_SIZE, 0); -+ } -+ + } + +- priv->tx_skbuff_dma[i].buf = 0; +- priv->tx_skbuff_dma[i].map_as_page = false; +- priv->tx_skbuff_dma[i].len = 0; +- priv->tx_skbuff_dma[i].last_segment = false; +- priv->tx_skbuff[i] = NULL; + for (i = 0; i < DMA_TX_SIZE; i++) { + struct dma_desc *p; + if (priv->extend_desc) @@ -3300,13 +3305,8 @@ + tx_q->tx_skbuff_dma[i].len = 0; + tx_q->tx_skbuff_dma[i].last_segment = false; + tx_q->tx_skbuff[i] = NULL; - } - -- priv->tx_skbuff_dma[i].buf = 0; -- priv->tx_skbuff_dma[i].map_as_page = false; -- priv->tx_skbuff_dma[i].len = 0; -- priv->tx_skbuff_dma[i].last_segment = false; -- priv->tx_skbuff[i] = NULL; ++ } ++ + tx_q->dirty_tx = 0; + tx_q->cur_tx = 0; + @@ -3387,17 +3387,10 @@ - priv->tx_skbuff_dma[i].buf, - priv->tx_skbuff_dma[i].len, - DMA_TO_DEVICE); -- } + for (i = 0; i < DMA_TX_SIZE; i++) + stmmac_free_tx_buffer(priv, queue, i); +} - -- if (priv->tx_skbuff[i]) { -- dev_kfree_skb_any(priv->tx_skbuff[i]); -- priv->tx_skbuff[i] = NULL; -- priv->tx_skbuff_dma[i].buf = 0; -- priv->tx_skbuff_dma[i].map_as_page = false; -- } ++ +/** + * free_dma_rx_desc_resources - free RX dma desc resources + * @priv: private structure @@ -3426,11 +3419,10 @@ + + kfree(rx_q->rx_skbuff_dma); + kfree(rx_q->rx_skbuff); - } - } - - /** -- * alloc_dma_desc_resources - alloc TX/RX resources. ++ } ++} ++ ++/** + * free_dma_tx_desc_resources - free TX dma desc resources + * @priv: private structure + */ @@ -3463,90 +3455,36 @@ + +/** + * alloc_dma_rx_desc_resources - alloc RX resources. - * @priv: private structure - * Description: according to which descriptor can be used (extend or basic) - * this function allocates the resources for TX and RX paths. In case of - * reception, for example, it pre-allocated the RX socket buffer in order to - * allow zero-copy mechanism. - */ --static int alloc_dma_desc_resources(struct stmmac_priv *priv) ++ * @priv: private structure ++ * Description: according to which descriptor can be used (extend or basic) ++ * this function allocates the resources for TX and RX paths. In case of ++ * reception, for example, it pre-allocated the RX socket buffer in order to ++ * allow zero-copy mechanism. ++ */ +static int alloc_dma_rx_desc_resources(struct stmmac_priv *priv) - { ++{ + u32 rx_count = priv->plat->rx_queues_to_use; - int ret = -ENOMEM; ++ int ret = -ENOMEM; + u32 queue; - -- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t), -- GFP_KERNEL); -- if (!priv->rx_skbuff_dma) -- return -ENOMEM; ++ + /* RX queues buffers and DMA */ + for (queue = 0; queue < rx_count; queue++) { + struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue]; - -- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *), -- GFP_KERNEL); -- if (!priv->rx_skbuff) -- goto err_rx_skbuff; -- -- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE, -- sizeof(*priv->tx_skbuff_dma), -- GFP_KERNEL); -- if (!priv->tx_skbuff_dma) -- goto err_tx_skbuff_dma; -- -- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *), -- GFP_KERNEL); -- if (!priv->tx_skbuff) -- goto err_tx_skbuff; -- -- if (priv->extend_desc) { -- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE * -- sizeof(struct -- dma_extended_desc), -- &priv->dma_rx_phy, -- GFP_KERNEL); -- if (!priv->dma_erx) -- goto err_dma; ++ + rx_q->queue_index = queue; + rx_q->priv_data = priv; - -- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE * -- sizeof(struct -- dma_extended_desc), -- &priv->dma_tx_phy, ++ + rx_q->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, + sizeof(dma_addr_t), - GFP_KERNEL); -- if (!priv->dma_etx) { -- dma_free_coherent(priv->device, DMA_RX_SIZE * -- sizeof(struct dma_extended_desc), -- priv->dma_erx, priv->dma_rx_phy); -- goto err_dma; -- } -- } else { -- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE * -- sizeof(struct dma_desc), -- &priv->dma_rx_phy, -- GFP_KERNEL); -- if (!priv->dma_rx) -- goto err_dma; ++ GFP_KERNEL); + if (!rx_q->rx_skbuff_dma) + return -ENOMEM; - -- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE * -- sizeof(struct dma_desc), -- &priv->dma_tx_phy, -- GFP_KERNEL); -- if (!priv->dma_tx) { -- dma_free_coherent(priv->device, DMA_RX_SIZE * -- sizeof(struct dma_desc), -- priv->dma_rx, priv->dma_rx_phy); ++ + rx_q->rx_skbuff = kmalloc_array(DMA_RX_SIZE, + sizeof(struct sk_buff *), + GFP_KERNEL); + if (!rx_q->rx_skbuff) - goto err_dma; ++ goto err_dma; + + if (priv->extend_desc) { + rx_q->dma_erx = dma_zalloc_coherent(priv->device, @@ -3567,19 +3505,12 @@ + GFP_KERNEL); + if (!rx_q->dma_rx) + goto err_dma; - } - } - - return 0; - - err_dma: -- kfree(priv->tx_skbuff); --err_tx_skbuff: -- kfree(priv->tx_skbuff_dma); --err_tx_skbuff_dma: -- kfree(priv->rx_skbuff); --err_rx_skbuff: -- kfree(priv->rx_skbuff_dma); ++ } ++ } ++ ++ return 0; ++ ++err_dma: + free_dma_rx_desc_resources(priv); + + return ret; @@ -3636,7 +3567,7 @@ + GFP_KERNEL); + if (!tx_q->dma_tx) + goto err_dma_buffers; -+ } + } + } + + return 0; @@ -3644,9 +3575,9 @@ +err_dma_buffers: + free_dma_tx_desc_resources(priv); + - return ret; - } - ++ return ret; ++} ++ +/** + * alloc_dma_desc_resources - alloc TX/RX resources. + * @priv: private structure @@ -3672,78 +3603,119 @@ + * free_dma_desc_resources - free dma desc resources + * @priv: private structure + */ - static void free_dma_desc_resources(struct stmmac_priv *priv) - { -- /* Release the DMA TX/RX socket buffers */ -- dma_free_rx_skbufs(priv); -- dma_free_tx_skbufs(priv); -- -- /* Free DMA regions of consistent memory previously allocated */ -- if (!priv->extend_desc) { -- dma_free_coherent(priv->device, -- DMA_TX_SIZE * sizeof(struct dma_desc), -- priv->dma_tx, priv->dma_tx_phy); -- dma_free_coherent(priv->device, -- DMA_RX_SIZE * sizeof(struct dma_desc), -- priv->dma_rx, priv->dma_rx_phy); -- } else { -- dma_free_coherent(priv->device, DMA_TX_SIZE * -- sizeof(struct dma_extended_desc), -- priv->dma_etx, priv->dma_tx_phy); -- dma_free_coherent(priv->device, DMA_RX_SIZE * -- sizeof(struct dma_extended_desc), -- priv->dma_erx, priv->dma_rx_phy); -- } -- kfree(priv->rx_skbuff_dma); -- kfree(priv->rx_skbuff); -- kfree(priv->tx_skbuff_dma); -- kfree(priv->tx_skbuff); ++static void free_dma_desc_resources(struct stmmac_priv *priv) ++{ + /* Release the DMA RX socket buffers */ + free_dma_rx_desc_resources(priv); + + /* Release the DMA TX socket buffers */ + free_dma_tx_desc_resources(priv); - } - - /** -@@ -1256,19 +1640,104 @@ static void free_dma_desc_resources(stru - */ - static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv) - { -- int rx_count = priv->dma_cap.number_rx_queues; -- int queue = 0; ++} ++ ++/** ++ * stmmac_mac_enable_rx_queues - Enable MAC rx queues ++ * @priv: driver private structure ++ * Description: It is used for enabling the rx queues in the MAC ++ */ ++static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv) ++{ + u32 rx_queues_count = priv->plat->rx_queues_to_use; + int queue; + u8 mode; -- /* If GMAC does not have multiple queues, then this is not necessary*/ -- if (rx_count == 1) -- return; +- if (priv->tx_skbuff[i]) { +- dev_kfree_skb_any(priv->tx_skbuff[i]); +- priv->tx_skbuff[i] = NULL; +- priv->tx_skbuff_dma[i].buf = 0; +- priv->tx_skbuff_dma[i].map_as_page = false; +- } + for (queue = 0; queue < rx_queues_count; queue++) { + mode = priv->plat->rx_queues_cfg[queue].mode_to_use; + priv->hw->mac->rx_queue_enable(priv->hw, mode, queue); -+ } -+} + } + } -- /** -- * If the core is synthesized with multiple rx queues / multiple -- * dma channels, then rx queues will be disabled by default. -- * For now only rx queue 0 is enabled. -- */ -- priv->hw->mac->rx_queue_enable(priv->hw, queue); -+/** + /** +- * alloc_dma_desc_resources - alloc TX/RX resources. +- * @priv: private structure +- * Description: according to which descriptor can be used (extend or basic) +- * this function allocates the resources for TX and RX paths. In case of +- * reception, for example, it pre-allocated the RX socket buffer in order to +- * allow zero-copy mechanism. + * stmmac_start_rx_dma - start RX DMA channel + * @priv: driver private structure + * @chan: RX channel index + * Description: + * This starts a RX DMA channel -+ */ + */ +-static int alloc_dma_desc_resources(struct stmmac_priv *priv) +static void stmmac_start_rx_dma(struct stmmac_priv *priv, u32 chan) -+{ + { +- int ret = -ENOMEM; +- +- priv->rx_skbuff_dma = kmalloc_array(DMA_RX_SIZE, sizeof(dma_addr_t), +- GFP_KERNEL); +- if (!priv->rx_skbuff_dma) +- return -ENOMEM; +- +- priv->rx_skbuff = kmalloc_array(DMA_RX_SIZE, sizeof(struct sk_buff *), +- GFP_KERNEL); +- if (!priv->rx_skbuff) +- goto err_rx_skbuff; +- +- priv->tx_skbuff_dma = kmalloc_array(DMA_TX_SIZE, +- sizeof(*priv->tx_skbuff_dma), +- GFP_KERNEL); +- if (!priv->tx_skbuff_dma) +- goto err_tx_skbuff_dma; +- +- priv->tx_skbuff = kmalloc_array(DMA_TX_SIZE, sizeof(struct sk_buff *), +- GFP_KERNEL); +- if (!priv->tx_skbuff) +- goto err_tx_skbuff; +- +- if (priv->extend_desc) { +- priv->dma_erx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE * +- sizeof(struct +- dma_extended_desc), +- &priv->dma_rx_phy, +- GFP_KERNEL); +- if (!priv->dma_erx) +- goto err_dma; +- +- priv->dma_etx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE * +- sizeof(struct +- dma_extended_desc), +- &priv->dma_tx_phy, +- GFP_KERNEL); +- if (!priv->dma_etx) { +- dma_free_coherent(priv->device, DMA_RX_SIZE * +- sizeof(struct dma_extended_desc), +- priv->dma_erx, priv->dma_rx_phy); +- goto err_dma; +- } +- } else { +- priv->dma_rx = dma_zalloc_coherent(priv->device, DMA_RX_SIZE * +- sizeof(struct dma_desc), +- &priv->dma_rx_phy, +- GFP_KERNEL); +- if (!priv->dma_rx) +- goto err_dma; + netdev_dbg(priv->dev, "DMA RX processes started in channel %d\n", chan); + priv->hw->dma->start_rx(priv->ioaddr, chan); +} -+ + +- priv->dma_tx = dma_zalloc_coherent(priv->device, DMA_TX_SIZE * +- sizeof(struct dma_desc), +- &priv->dma_tx_phy, +- GFP_KERNEL); +- if (!priv->dma_tx) { +- dma_free_coherent(priv->device, DMA_RX_SIZE * +- sizeof(struct dma_desc), +- priv->dma_rx, priv->dma_rx_phy); +- goto err_dma; +- } +- } +/** + * stmmac_start_tx_dma - start TX DMA channel + * @priv: driver private structure @@ -3756,7 +3728,8 @@ + netdev_dbg(priv->dev, "DMA TX processes started in channel %d\n", chan); + priv->hw->dma->start_tx(priv->ioaddr, chan); +} -+ + +- return 0; +/** + * stmmac_stop_rx_dma - stop RX DMA channel + * @priv: driver private structure @@ -3769,7 +3742,16 @@ + netdev_dbg(priv->dev, "DMA RX processes stopped in channel %d\n", chan); + priv->hw->dma->stop_rx(priv->ioaddr, chan); +} -+ + +-err_dma: +- kfree(priv->tx_skbuff); +-err_tx_skbuff: +- kfree(priv->tx_skbuff_dma); +-err_tx_skbuff_dma: +- kfree(priv->rx_skbuff); +-err_rx_skbuff: +- kfree(priv->rx_skbuff_dma); +- return ret; +/** + * stmmac_stop_tx_dma - stop TX DMA channel + * @priv: driver private structure @@ -3781,8 +3763,9 @@ +{ + netdev_dbg(priv->dev, "DMA TX processes stopped in channel %d\n", chan); + priv->hw->dma->stop_tx(priv->ioaddr, chan); -+} -+ + } + +-static void free_dma_desc_resources(struct stmmac_priv *priv) +/** + * stmmac_start_all_dma - start all RX and TX DMA channels + * @priv: driver private structure @@ -3790,7 +3773,31 @@ + * This starts all the RX and TX DMA channels + */ +static void stmmac_start_all_dma(struct stmmac_priv *priv) -+{ + { +- /* Release the DMA TX/RX socket buffers */ +- dma_free_rx_skbufs(priv); +- dma_free_tx_skbufs(priv); +- +- /* Free DMA regions of consistent memory previously allocated */ +- if (!priv->extend_desc) { +- dma_free_coherent(priv->device, +- DMA_TX_SIZE * sizeof(struct dma_desc), +- priv->dma_tx, priv->dma_tx_phy); +- dma_free_coherent(priv->device, +- DMA_RX_SIZE * sizeof(struct dma_desc), +- priv->dma_rx, priv->dma_rx_phy); +- } else { +- dma_free_coherent(priv->device, DMA_TX_SIZE * +- sizeof(struct dma_extended_desc), +- priv->dma_etx, priv->dma_tx_phy); +- dma_free_coherent(priv->device, DMA_RX_SIZE * +- sizeof(struct dma_extended_desc), +- priv->dma_erx, priv->dma_rx_phy); +- } +- kfree(priv->rx_skbuff_dma); +- kfree(priv->rx_skbuff); +- kfree(priv->tx_skbuff_dma); +- kfree(priv->tx_skbuff); + u32 rx_channels_count = priv->plat->rx_queues_to_use; + u32 tx_channels_count = priv->plat->tx_queues_to_use; + u32 chan = 0; @@ -3800,23 +3807,38 @@ + + for (chan = 0; chan < tx_channels_count; chan++) + stmmac_start_tx_dma(priv, chan); -+} -+ -+/** + } + + /** +- * stmmac_mac_enable_rx_queues - Enable MAC rx queues +- * @priv: driver private structure +- * Description: It is used for enabling the rx queues in the MAC + * stmmac_stop_all_dma - stop all RX and TX DMA channels + * @priv: driver private structure + * Description: + * This stops the RX and TX DMA channels -+ */ + */ +-static void stmmac_mac_enable_rx_queues(struct stmmac_priv *priv) +static void stmmac_stop_all_dma(struct stmmac_priv *priv) -+{ + { +- int rx_count = priv->dma_cap.number_rx_queues; +- int queue = 0; + u32 rx_channels_count = priv->plat->rx_queues_to_use; + u32 tx_channels_count = priv->plat->tx_queues_to_use; + u32 chan = 0; -+ + +- /* If GMAC does not have multiple queues, then this is not necessary*/ +- if (rx_count == 1) +- return; + for (chan = 0; chan < rx_channels_count; chan++) + stmmac_stop_rx_dma(priv, chan); -+ + +- /** +- * If the core is synthesized with multiple rx queues / multiple +- * dma channels, then rx queues will be disabled by default. +- * For now only rx queue 0 is enabled. +- */ +- priv->hw->mac->rx_queue_enable(priv->hw, queue); + for (chan = 0; chan < tx_channels_count; chan++) + stmmac_stop_tx_dma(priv, chan); } diff --git a/target/linux/sunxi/patches-4.9/0080-ARM-dts-sunxi-nanopi-neo-Enable-dwmac-sun8i.patch b/target/linux/sunxi/patches-4.9/0080-ARM-dts-sunxi-nanopi-neo-Enable-dwmac-sun8i.patch index ef65719fe4..4de2fd2e85 100644 --- a/target/linux/sunxi/patches-4.9/0080-ARM-dts-sunxi-nanopi-neo-Enable-dwmac-sun8i.patch +++ b/target/linux/sunxi/patches-4.9/0080-ARM-dts-sunxi-nanopi-neo-Enable-dwmac-sun8i.patch @@ -1,7 +1,5 @@ -Index: linux-4.9.51/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts -=================================================================== ---- linux-4.9.51.orig/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts -+++ linux-4.9.51/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts +--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts ++++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts @@ -53,6 +53,7 @@ aliases { diff --git a/target/linux/sunxi/patches-4.9/0081-ARM-dts-sun8i-nanopi-neo-enable-UART-USB-and-I2C-pin.patch b/target/linux/sunxi/patches-4.9/0081-ARM-dts-sun8i-nanopi-neo-enable-UART-USB-and-I2C-pin.patch index 7b57b8a77d..b815f7263b 100644 --- a/target/linux/sunxi/patches-4.9/0081-ARM-dts-sun8i-nanopi-neo-enable-UART-USB-and-I2C-pin.patch +++ b/target/linux/sunxi/patches-4.9/0081-ARM-dts-sun8i-nanopi-neo-enable-UART-USB-and-I2C-pin.patch @@ -7,10 +7,8 @@ Subject: [PATCH] ARM: dts: sun8i: nanopi-neo: enable UART, USB and I2C pins arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts | 43 ++++++++++++++++++++++++++++--- 1 file changed, 40 insertions(+), 3 deletions(-) -Index: linux-4.9.51/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts -=================================================================== ---- linux-4.9.51.orig/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts -+++ linux-4.9.51/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts +--- a/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts ++++ b/arch/arm/boot/dts/sun8i-h3-nanopi-neo.dts @@ -78,10 +78,30 @@ }; }; |