From f5f173e2b794bd996fa6171bb6b18f13c4ed1e90 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 23 May 2016 11:20:20 +0200 Subject: mediatek: update patches * fixes NAND * adds latest ethernet patches Signed-off-by: John Crispin --- .../patches-4.4/0091-net-next-mediatek-WIP.patch | 242 --------------------- 1 file changed, 242 deletions(-) delete mode 100644 target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch (limited to 'target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch') diff --git a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch b/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch deleted file mode 100644 index 4bee845cbb..0000000000 --- a/target/linux/mediatek/patches-4.4/0091-net-next-mediatek-WIP.patch +++ /dev/null @@ -1,242 +0,0 @@ -From 34e10b96d5ccb99fb78251051bc5652b09359983 Mon Sep 17 00:00:00 2001 -From: John Crispin -Date: Thu, 28 Apr 2016 07:58:22 +0200 -Subject: [PATCH 91/91] net-next: mediatek WIP - -Signed-off-by: John Crispin ---- - drivers/net/ethernet/mediatek/mtk_eth_soc.c | 89 ++++++++++++--------------- - drivers/net/ethernet/mediatek/mtk_eth_soc.h | 5 +- - 2 files changed, 44 insertions(+), 50 deletions(-) - ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c -@@ -326,7 +326,7 @@ static inline void mtk_irq_disable(struc - val = mtk_r32(eth, MTK_QDMA_INT_MASK); - mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK); - /* flush write */ -- mtk_r32(eth, MTK_QDMA_INT_MASK); -+// mtk_r32(eth, MTK_QDMA_INT_MASK); - spin_unlock_irqrestore(ð->irq_lock, flags); - } - -@@ -339,7 +339,7 @@ static inline void mtk_irq_enable(struct - val = mtk_r32(eth, MTK_QDMA_INT_MASK); - mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK); - /* flush write */ -- mtk_r32(eth, MTK_QDMA_INT_MASK); -+// mtk_r32(eth, MTK_QDMA_INT_MASK); - spin_unlock_irqrestore(ð->irq_lock, flags); - } - -@@ -710,10 +710,26 @@ static inline int mtk_cal_txd_req(struct - return nfrags; - } - -+static int mtk_queue_stopped(struct mtk_eth *eth) -+{ -+ int i; -+ -+ for (i = 0; i < MTK_MAC_COUNT; i++) { -+ if (!eth->netdev[i]) -+ continue; -+ if (netif_queue_stopped(eth->netdev[i])) -+ return 1; -+ } -+ -+ return 0; -+} -+ - static void mtk_wake_queue(struct mtk_eth *eth) - { - int i; - -+ printk("%s:%s[%d]w\n", __FILE__, __func__, __LINE__); -+ - for (i = 0; i < MTK_MAC_COUNT; i++) { - if (!eth->netdev[i]) - continue; -@@ -725,6 +741,7 @@ static void mtk_stop_queue(struct mtk_et - { - int i; - -+ printk("%s:%s[%d]s\n", __FILE__, __func__, __LINE__); - for (i = 0; i < MTK_MAC_COUNT; i++) { - if (!eth->netdev[i]) - continue; -@@ -775,12 +792,9 @@ static int mtk_start_xmit(struct sk_buff - if (mtk_tx_map(skb, dev, tx_num, ring, gso) < 0) - goto drop; - -- if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) { -+ if (unlikely(atomic_read(&ring->free_count) <= ring->thresh)) - mtk_stop_queue(eth); -- if (unlikely(atomic_read(&ring->free_count) > -- ring->thresh)) -- mtk_wake_queue(eth); -- } -+ - spin_unlock_irqrestore(ð->page_lock, flags); - - return NETDEV_TX_OK; -@@ -927,7 +941,6 @@ static int mtk_poll_tx(struct mtk_eth *e - } - mtk_tx_unmap(eth->dev, tx_buf); - -- ring->last_free->txd2 = next_cpu; - ring->last_free = desc; - atomic_inc(&ring->free_count); - -@@ -945,11 +958,8 @@ static int mtk_poll_tx(struct mtk_eth *e - netdev_completed_queue(eth->netdev[i], done, bytes); - } - -- /* read hw index again make sure no new tx packet */ -- if (cpu == dma && cpu == mtk_r32(eth, MTK_QTX_DRX_PTR)) -- mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); -- -- if (atomic_read(&ring->free_count) > ring->thresh) -+ if (mtk_queue_stopped(eth) && -+ (atomic_read(&ring->free_count) > ring->thresh)) - mtk_wake_queue(eth); - - return done; -@@ -973,10 +983,11 @@ static int mtk_napi_tx(struct napi_struc - int tx_done = 0; - - mtk_handle_status_irq(eth); -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); - tx_done = mtk_poll_tx(eth, budget); -+ - if (unlikely(netif_msg_intr(eth))) { -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); - mask = mtk_r32(eth, MTK_QDMA_INT_MASK); - dev_info(eth->dev, - "done tx %d, intr 0x%08x/0x%x\n", -@@ -1002,9 +1013,12 @@ static int mtk_napi_rx(struct napi_struc - u32 status, mask; - int rx_done = 0; - -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -+ mtk_handle_status_irq(eth); -+ mtk_w32(eth, MTK_RX_DONE_INT, MTK_QMTK_INT_STATUS); - rx_done = mtk_poll_rx(napi, budget, eth); -+ - if (unlikely(netif_msg_intr(eth))) { -+ status = mtk_r32(eth, MTK_QMTK_INT_STATUS); - mask = mtk_r32(eth, MTK_QDMA_INT_MASK); - dev_info(eth->dev, - "done rx %d, intr 0x%08x/0x%x\n", -@@ -1052,9 +1066,8 @@ static int mtk_tx_alloc(struct mtk_eth * - - atomic_set(&ring->free_count, MTK_DMA_SIZE - 2); - ring->next_free = &ring->dma[0]; -- ring->last_free = &ring->dma[MTK_DMA_SIZE - 2]; -- ring->thresh = max((unsigned long)MTK_DMA_SIZE >> 2, -- MAX_SKB_FRAGS); -+ ring->last_free = &ring->dma[MTK_DMA_SIZE - 1]; -+ ring->thresh = MAX_SKB_FRAGS; - - /* make sure that all changes to the dma ring are flushed before we - * continue -@@ -1259,21 +1272,11 @@ static void mtk_tx_timeout(struct net_de - static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth) - { - struct mtk_eth *eth = _eth; -- u32 status; -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -- status &= ~MTK_TX_DONE_INT; -- -- if (unlikely(!status)) -- return IRQ_NONE; - -- if (status & MTK_RX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->rx_napi))) { -- mtk_irq_disable(eth, MTK_RX_DONE_INT); -- __napi_schedule(ð->rx_napi); -- } -+ if (likely(napi_schedule_prep(ð->rx_napi))) { -+ __napi_schedule(ð->rx_napi); -+ mtk_irq_disable(eth, MTK_RX_DONE_INT); - } -- mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - - return IRQ_HANDLED; - } -@@ -1281,21 +1284,11 @@ static irqreturn_t mtk_handle_irq_rx(int - static irqreturn_t mtk_handle_irq_tx(int irq, void *_eth) - { - struct mtk_eth *eth = _eth; -- u32 status; -- -- status = mtk_r32(eth, MTK_QMTK_INT_STATUS); -- status &= ~MTK_RX_DONE_INT; -- -- if (unlikely(!status)) -- return IRQ_NONE; - -- if (status & MTK_TX_DONE_INT) { -- if (likely(napi_schedule_prep(ð->tx_napi))) { -- mtk_irq_disable(eth, MTK_TX_DONE_INT); -- __napi_schedule(ð->tx_napi); -- } -+ if (likely(napi_schedule_prep(ð->tx_napi))) { -+ __napi_schedule(ð->tx_napi); -+ mtk_irq_disable(eth, MTK_TX_DONE_INT); - } -- mtk_w32(eth, status, MTK_QMTK_INT_STATUS); - - return IRQ_HANDLED; - } -@@ -1326,7 +1319,7 @@ static int mtk_start_dma(struct mtk_eth - mtk_w32(eth, - MTK_TX_WB_DDONE | MTK_RX_DMA_EN | MTK_TX_DMA_EN | - MTK_RX_2B_OFFSET | MTK_DMA_SIZE_16DWORDS | -- MTK_RX_BT_32DWORDS, -+ MTK_RX_BT_32DWORDS | MTK_NDP_CO_PRO, - MTK_QDMA_GLO_CFG); - - return 0; -@@ -1440,7 +1433,7 @@ static int __init mtk_hw_init(struct mtk - - /* disable delay and normal interrupt */ - mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); -- mtk_irq_disable(eth, MTK_TX_DONE_INT | MTK_RX_DONE_INT); -+ mtk_irq_disable(eth, ~0); - mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); - mtk_w32(eth, 0, MTK_RST_GL); - -@@ -1765,7 +1758,7 @@ static int mtk_add_mac(struct mtk_eth *e - mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; - - SET_NETDEV_DEV(eth->netdev[id], eth->dev); -- eth->netdev[id]->watchdog_timeo = HZ; -+ eth->netdev[id]->watchdog_timeo = 4 * HZ; - eth->netdev[id]->netdev_ops = &mtk_netdev_ops; - eth->netdev[id]->base_addr = (unsigned long)eth->base; - eth->netdev[id]->vlan_features = MTK_HW_FEATURES & ---- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h -+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h -@@ -18,9 +18,9 @@ - #define MTK_QDMA_PAGE_SIZE 2048 - #define MTK_MAX_RX_LENGTH 1536 - #define MTK_TX_DMA_BUF_LEN 0x3fff --#define MTK_DMA_SIZE 256 --#define MTK_NAPI_WEIGHT 64 - #define MTK_MAC_COUNT 2 -+#define MTK_DMA_SIZE (256 * MTK_MAC_COUNT) -+#define MTK_NAPI_WEIGHT (64 * MTK_MAC_COUNT) - #define MTK_RX_ETH_HLEN (VLAN_ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) - #define MTK_RX_HLEN (NET_SKB_PAD + MTK_RX_ETH_HLEN + NET_IP_ALIGN) - #define MTK_DMA_DUMMY_DESC 0xffffffff -@@ -95,6 +95,7 @@ - #define MTK_QDMA_GLO_CFG 0x1A04 - #define MTK_RX_2B_OFFSET BIT(31) - #define MTK_RX_BT_32DWORDS (3 << 11) -+#define MTK_NDP_CO_PRO BIT(10) - #define MTK_TX_WB_DDONE BIT(6) - #define MTK_DMA_SIZE_16DWORDS (2 << 4) - #define MTK_RX_DMA_BUSY BIT(3) -- cgit v1.2.3