diff options
Diffstat (limited to 'target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch')
| -rw-r--r-- | target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch | 2901 |
1 files changed, 0 insertions, 2901 deletions
diff --git a/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch b/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch deleted file mode 100644 index 67eedbfd8b..0000000000 --- a/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch +++ /dev/null @@ -1,2901 +0,0 @@ ---- /dev/null -+++ b/arch/arm/mach-gemini/include/mach/gmac.h -@@ -0,0 +1,21 @@ -+/* -+ * Gemini GMAC specific defines -+ * -+ * Copyright (C) 2008, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+#ifndef __MACH_GMAC_H__ -+#define __MACH_GMAC_H__ -+ -+#include <linux/phy.h> -+ -+struct gemini_gmac_platform_data { -+ char *bus_id[2]; /* NULL means that this port is not used */ -+ phy_interface_t interface[2]; -+}; -+ -+#endif /* __MACH_GMAC_H__ */ ---- /dev/null -+++ b/drivers/net/gemini_negmac/gm_gmac.c -@@ -0,0 +1,1351 @@ -+/* -+ * Ethernet device driver for Gemini SoC. -+ * -+ * Copyright (C) 2006, Storlink, Corp. -+ * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/platform_device.h> -+#include <linux/slab.h> -+#include <linux/mm.h> -+#include <linux/compiler.h> -+#include <linux/dma-mapping.h> -+#include <linux/init.h> -+#include <linux/ioport.h> -+#include <linux/netdevice.h> -+#include <linux/etherdevice.h> -+#include <linux/rtnetlink.h> -+#include <linux/delay.h> -+#include <linux/ethtool.h> -+#include <linux/mii.h> -+#include <linux/phy.h> -+#include <linux/irq.h> -+#include <linux/interrupt.h> -+#include <linux/completion.h> -+#include <linux/kthread.h> -+#include <linux/io.h> -+#include <mach/hardware.h> -+#include <linux/semaphore.h> -+#include <mach/irqs.h> -+#include <linux/skbuff.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <linux/tcp.h> -+#include <linux/udp.h> -+#include <mach/gmac.h> -+ -+#include "gm_gmac.h" -+ -+/* #define GMAX_TX_INTR_DISABLED */ -+/* #define DO_HW_CHKSUM */ -+/* #define ENABLE_TSO */ -+#define GMAC_USE_TXQ0 -+/* #define GMAC_LEN_1_2_ISSUE */ -+ -+#define DEFAULT_RXQ_MAX_CNT 256 -+ -+/* define chip information */ -+#define DRV_VERSION "0.2" -+#define SL351x_DRIVER_NAME "Gemini Ethernet driver " DRV_VERSION -+ -+#ifdef GMAC_LEN_1_2_ISSUE -+ #define _DEBUG_PREFETCH_NUM 256 -+static int _debug_prefetch_cnt; -+static char _debug_prefetch_buf[_DEBUG_PREFETCH_NUM][4] __attribute__((aligned(4))); -+#endif -+ -+static inline void gmac_write_reg(void __iomem *base, unsigned int offset, -+ unsigned int data, unsigned int bit_mask) -+{ -+ unsigned int reg_val; -+ -+ reg_val = (__raw_readl(base + offset) & (~bit_mask)) | (data & bit_mask); -+ __raw_writel(reg_val, base + offset); -+} -+ -+/*---------------------------------------------------------------------- -+* toe_init_free_queue -+* (1) Initialize the Free Queue Descriptor Base Address & size -+* Register: TOE_GLOBAL_BASE + 0x0004 -+* (2) Initialize DMA Read/Write pointer for -+* SW Free Queue and HW Free Queue -+* (3) Initialize DMA Descriptors for -+* SW Free Queue and HW Free Queue, -+*----------------------------------------------------------------------*/ -+static void toe_init_free_queue(struct toe_private *toe) -+{ -+ int i; -+ DMA_RWPTR_T rwptr_reg; -+ void *desc_buf; -+ GMAC_RXDESC_T *sw_desc_ptr; -+ struct sk_buff *skb; -+ -+ desc_buf = dma_alloc_coherent(toe->dev, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T), -+ &toe->sw_freeq_desc_base_dma, GFP_KERNEL); -+ sw_desc_ptr = (GMAC_RXDESC_T *)desc_buf; -+ if (!desc_buf) { -+ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); -+ return; -+ } -+ memset(desc_buf, 0, TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T)); -+ -+ /* DMA Queue Base & Size */ -+ __raw_writel((toe->sw_freeq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_SW_FREEQ_DESC_POWER, -+ toe->global_base + GLOBAL_SW_FREEQ_BASE_SIZE_REG); -+ -+ /* init descriptor base */ -+ toe->swfq_desc_base = (unsigned int)desc_buf; -+ -+ /* SW Free Queue Descriptors */ -+ for (i = 0; i < TOE_SW_FREEQ_DESC_NUM; i++) { -+ sw_desc_ptr->word0.bits.buffer_size = SW_RX_BUF_SIZE; -+ skb = dev_alloc_skb(SW_RX_BUF_SIZE); /* allocate socket buffer */ -+ if (!skb) { -+ dev_err(toe->dev, "%s::skb buffer allocation fail\n", __func__); -+ return; -+ } -+ REG32(skb->data) = (unsigned int)skb; -+ skb_reserve(skb, SKB_RESERVE_BYTES); -+ sw_desc_ptr->word2.buf_adr = dma_map_single(toe->dev, skb->data, -+ SW_RX_BUF_SIZE - SKB_RESERVE_BYTES, -+ DMA_FROM_DEVICE); -+ sw_desc_ptr++; -+ } -+ -+ dma_sync_single_for_device(toe->dev, toe->sw_freeq_desc_base_dma, -+ TOE_SW_FREEQ_DESC_NUM * sizeof(GMAC_RXDESC_T), -+ DMA_TO_DEVICE); -+ -+ /* SW Free Queue Read/Write Pointer */ -+ rwptr_reg.bits.wptr = TOE_SW_FREEQ_DESC_NUM - 1; -+ rwptr_reg.bits.rptr = 0; -+ __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_SWFQ_RWPTR_REG); -+ -+ /* DMA Queue Base & Size */ -+ __raw_writel(TOE_HW_FREEQ_DESC_POWER, -+ toe->global_base + GLOBAL_HW_FREEQ_BASE_SIZE_REG); -+ rwptr_reg.bits.wptr = TOE_HW_FREEQ_DESC_NUM - 1; -+ rwptr_reg.bits.rptr = 0; -+ __raw_writel(rwptr_reg.bits32, toe->global_base + GLOBAL_HWFQ_RWPTR_REG); -+} -+ -+/*---------------------------------------------------------------------- -+* toe_init_swtx_queue -+* (2) Initialize the GMAC 0/1 SW TXQ Queue Descriptor Base Address & sizeup -+* GMAC_SW_TX_QUEUE_BASE_REG(0x0050) -+* (2) Initialize DMA Read/Write pointer for -+* GMAC 0/1 SW TX Q0-5 -+*----------------------------------------------------------------------*/ -+static void toe_init_swtx_queue(struct net_device *dev) -+{ -+ int i; -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ DMA_RWPTR_T rwptr_reg; -+ unsigned int rwptr_addr; -+ void *desc_buf; -+ unsigned int offset; -+ -+ desc_buf = dma_alloc_coherent(toe->dev, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T), -+ &gmac->swtxq_desc_base_dma, GFP_KERNEL); -+ gmac->swtxq_desc_base = (unsigned int)desc_buf; -+ if (!desc_buf) { -+ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); -+ return; -+ } -+ memset(desc_buf, 0, TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T)); -+ dma_sync_single_for_device(toe->dev, gmac->swtxq_desc_base_dma, -+ TOE_GMAC_SWTXQ_DESC_NUM * TOE_SW_TXQ_NUM * sizeof(GMAC_TXDESC_T), -+ DMA_TO_DEVICE); -+ __raw_writel((gmac->swtxq_desc_base_dma & DMA_Q_BASE_MASK) | TOE_GMAC_SWTXQ_DESC_POWER, -+ gmac->dma_base_addr + GMAC_SW_TX_QUEUE_BASE_REG); -+ -+ /* GMAC0 SW TX Q0-Q5 */ -+ offset = 0; -+ rwptr_reg.bits.wptr = 0; -+ rwptr_reg.bits.rptr = 0; -+ rwptr_addr = gmac->dma_base_addr + GMAC_SW_TX_QUEUE0_PTR_REG; -+ for (i = 0; i < TOE_SW_TXQ_NUM; i++) { -+ gmac->swtxq[i].rwptr_reg = rwptr_addr; -+ gmac->swtxq[i].desc_base_dma = (unsigned int)gmac->swtxq_desc_base_dma + offset; -+ gmac->swtxq[i].desc_base = (unsigned int)desc_buf + offset; -+ offset += TOE_GMAC_SWTXQ_DESC_NUM * sizeof(GMAC_TXDESC_T); -+ __raw_writel(rwptr_reg.bits32, rwptr_addr); -+ rwptr_addr += 4; -+ } -+} -+ -+/*---------------------------------------------------------------------- -+* toe_init_default_queue -+* (1) Initialize the default 0/1 Queue Header -+* Register: TOE_DEFAULT_Q0_HDR_BASE (0x60002000) -+* TOE_DEFAULT_Q1_HDR_BASE (0x60002008) -+* (2) Initialize Descriptors of Default Queue 0/1 -+*----------------------------------------------------------------------*/ -+static void toe_init_default_queue(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ volatile NONTOE_QHDR_T *qhdr; -+ GMAC_RXDESC_T *desc_ptr; -+ -+ desc_ptr = dma_alloc_coherent(toe->dev, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T), -+ &gmac->default_desc_base_dma, GFP_KERNEL); -+ if (!desc_ptr) { -+ dev_err(toe->dev, "%s::DMA ALLOC fail\n", __func__); -+ return; -+ } -+ memset(desc_ptr, 0, TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T)); -+ dma_sync_single_for_device(toe->dev, gmac->default_desc_base_dma, -+ TOE_DEFAULT_Q_DESC_NUM * sizeof(GMAC_RXDESC_T), -+ DMA_TO_DEVICE); -+ gmac->default_desc_base = (unsigned int)desc_ptr; -+ qhdr = (volatile NONTOE_QHDR_T *)(toe->global_base + TOE_DEFAULT_Q_HDR_BASE(gmac->port_id)); -+ qhdr->word0.base_size = ((unsigned int)gmac->default_desc_base_dma & NONTOE_QHDR0_BASE_MASK) | TOE_DEFAULT_Q_DESC_POWER; -+ qhdr->word1.bits32 = 0; -+ gmac->default_qhdr = (NONTOE_QHDR_T *)qhdr; -+} -+ -+/*---------------------------------------------------------------------- -+* toe_init_interrupt_config -+* Interrupt Select Registers are used to map interrupt to int0 or int1 -+* Int0 and int1 are wired to CPU 0/1 GMAC 0/1 -+* Interrupt Device Inteface data are used to pass device info to -+* upper device driver or store status/statistics -+* ISR handler -+* (1) If status bit ON but masked, the prinf error message (bug issue) -+* (2) If select bits are for me, handle it, else skip to let -+* the other ISR handles it. -+* Notes: -+* GMACx init routine (for eCOS) or open routine (for Linux) -+* enable the interrupt bits only which are selected for it. -+* -+* Default Setting: -+* GMAC0 intr bits ------> int0 ----> eth0 -+* GMAC1 intr bits ------> int1 ----> eth1 -+* TOE intr -------------> int0 ----> eth0 -+* Classification Intr --> int0 ----> eth0 -+* Default Q0 -----------> int0 ----> eth0 -+* Default Q1 -----------> int1 ----> eth1 -+*----------------------------------------------------------------------*/ -+static void toe_init_interrupt_config(struct toe_private *toe) -+{ -+ /* clear all status bits */ -+ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); -+ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); -+ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); -+ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); -+ __raw_writel(0xffffffff, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); -+ -+ /* Init select registers */ -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); -+ -+ /* disable all interrupt */ -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_0_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_1_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_2_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_3_REG); -+ __raw_writel(0, toe->global_base + GLOBAL_INTERRUPT_ENABLE_4_REG); -+} -+ -+static void toe_gmac_hw_start(struct gmac_private *gmac) -+{ -+ GMAC_DMA_CTRL_T dma_ctrl; -+ -+ /* program dma control register */ -+ dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG); -+ dma_ctrl.bits.rd_enable = 1; -+ dma_ctrl.bits.td_enable = 1; -+ dma_ctrl.bits.loopback = 0; -+ dma_ctrl.bits.drop_small_ack = 0; -+ dma_ctrl.bits.rd_prot = 0; -+ dma_ctrl.bits.rd_burst_size = 3; -+ dma_ctrl.bits.rd_insert_bytes = RX_INSERT_BYTES; -+ dma_ctrl.bits.rd_bus = 3; -+ dma_ctrl.bits.td_prot = 0; -+ dma_ctrl.bits.td_burst_size = 3; -+ dma_ctrl.bits.td_bus = 3; -+ -+ __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG); -+} -+ -+static void toe_gmac_hw_stop(struct gmac_private *gmac) -+{ -+ GMAC_DMA_CTRL_T dma_ctrl; -+ -+ /* program dma control register */ -+ dma_ctrl.bits32 = __raw_readl(gmac->dma_base_addr + GMAC_DMA_CTRL_REG); -+ dma_ctrl.bits.rd_enable = 0; -+ dma_ctrl.bits.td_enable = 0; -+ __raw_writel(dma_ctrl.bits32, gmac->dma_base_addr + GMAC_DMA_CTRL_REG); -+} -+ -+static void toe_gmac_init_chip(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ GMAC_CONFIG2_T config2_val; -+ GMAC_CONFIG0_T config0; -+ GMAC_CONFIG1_T config1; -+ GMAC_STATUS_T status; -+ GMAC_TX_WCR0_T hw_weigh; -+ GMAC_TX_WCR1_T sw_weigh; -+ GMAC_RX_FLTR_T rx_filter; -+ -+ /* set RX_FLTR register to receive all multicast packet */ -+ rx_filter.bits32 = __raw_readl(dev->base_addr + GMAC_RX_FLTR); -+ rx_filter.bits.unicast = 1; -+ rx_filter.bits.multicast = 1; -+ rx_filter.bits.broadcast = 1; -+ __raw_writel(rx_filter.bits32, dev->base_addr + GMAC_RX_FLTR); -+ -+ /* set flow control threshold */ -+ config1.bits32 = 0; -+ config1.bits.set_threshold = 32 / 2; -+ config1.bits.rel_threshold = 32 / 4 * 3; -+ __raw_writel(config1.bits32, dev->base_addr + GMAC_CONFIG1); -+ -+ /* set flow control threshold */ -+ config2_val.bits32 = 0; -+ config2_val.bits.set_threshold = TOE_SW_FREEQ_DESC_NUM / 4; -+ config2_val.bits.rel_threshold = TOE_SW_FREEQ_DESC_NUM / 2; -+ __raw_writel(config2_val.bits32, dev->base_addr + GMAC_CONFIG2); -+ -+ /* disable TX/RX and disable internal loop back */ -+ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); -+ -+ config0.bits.max_len = 2; -+ -+ gmac->flow_control_enable = 0; -+ -+ config0.bits.tx_fc_en = 0; /* disable tx flow control */ -+ config0.bits.rx_fc_en = 0; /* disable rx flow control */ -+ config0.bits.dis_rx = 1; /* disable rx */ -+ config0.bits.dis_tx = 1; /* disable tx */ -+ config0.bits.loop_back = 0; /* enable/disable GMAC loopback */ -+ config0.bits.rx_err_detect = 1; -+ config0.bits.rgmii_en = 0; -+ config0.bits.rgmm_edge = 1; -+ config0.bits.rxc_inv = 0; -+ config0.bits.ipv4_rx_chksum = 1; /* enable H/W to check ip checksum */ -+ config0.bits.ipv6_rx_chksum = 1; /* enable H/W to check ip checksum */ -+ config0.bits.port0_chk_hwq = 1; -+ config0.bits.port1_chk_hwq = 1; -+ config0.bits.port0_chk_toeq = 1; -+ config0.bits.port1_chk_toeq = 1; -+ config0.bits.port0_chk_classq = 1; -+ config0.bits.port1_chk_classq = 1; -+ -+ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); -+ -+ hw_weigh.bits32 = 0; -+ hw_weigh.bits.hw_tq3 = 1; -+ hw_weigh.bits.hw_tq2 = 1; -+ hw_weigh.bits.hw_tq1 = 1; -+ hw_weigh.bits.hw_tq0 = 1; -+ __raw_writel(hw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_0_REG); -+ -+ sw_weigh.bits32 = 0; -+ sw_weigh.bits.sw_tq5 = 1; -+ sw_weigh.bits.sw_tq4 = 1; -+ sw_weigh.bits.sw_tq3 = 1; -+ sw_weigh.bits.sw_tq2 = 1; -+ sw_weigh.bits.sw_tq1 = 1; -+ sw_weigh.bits.sw_tq0 = 1; -+ __raw_writel(sw_weigh.bits32, gmac->dma_base_addr + GMAC_TX_WEIGHTING_CTRL_1_REG); -+ -+ /* set interface type */ -+ status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS); -+ -+ switch (gmac->phydev->interface) { -+ case PHY_INTERFACE_MODE_MII: -+ status.bits.mii_rmii = GMAC_PHY_MII; -+ break; -+ case PHY_INTERFACE_MODE_GMII: -+ status.bits.mii_rmii = GMAC_PHY_GMII; -+ break; -+ case PHY_INTERFACE_MODE_RGMII: -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ default: -+ dev_err(&dev->dev, "Unsupported MII interface\n"); -+ return; -+ } -+ -+ __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS); -+} -+ -+static void toe_init_gmac(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ u32 data; -+ -+ /* GMAC initialization */ -+ toe_gmac_init_chip(dev); -+ -+ /* ----------------------------------------------------------- -+ Enable GMAC interrupt & disable loopback -+ Notes: -+ GMACx init routine (for eCOS) or open routine (for Linux) -+ enable the interrupt bits only which are selected for him. -+ --------------------------------------------------------------*/ -+ -+ /* Enable Interrupt Bits */ -+ if (gmac->port_id == 0) { -+ gmac->intr0_selected = GMAC0_TXDERR_INT_BIT | GMAC0_TXPERR_INT_BIT | -+ GMAC0_RXDERR_INT_BIT | GMAC0_RXPERR_INT_BIT | -+ GMAC0_SWTQ05_FIN_INT_BIT | GMAC0_SWTQ05_EOF_INT_BIT | -+ GMAC0_SWTQ04_FIN_INT_BIT | GMAC0_SWTQ04_EOF_INT_BIT | -+ GMAC0_SWTQ03_FIN_INT_BIT | GMAC0_SWTQ03_EOF_INT_BIT | -+ GMAC0_SWTQ02_FIN_INT_BIT | GMAC0_SWTQ02_EOF_INT_BIT | -+ GMAC0_SWTQ01_FIN_INT_BIT | GMAC0_SWTQ01_EOF_INT_BIT | -+ GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; -+ -+#ifdef GMAX_TX_INTR_DISABLED -+ gmac->intr0_enabled = 0; -+#else -+ gmac->intr0_enabled = GMAC0_SWTQ00_FIN_INT_BIT | GMAC0_SWTQ00_EOF_INT_BIT; -+#endif -+ -+ gmac->intr1_selected = TOE_IQ_ALL_BITS | TOE_CLASS_RX_INT_BITS | -+ GMAC0_HWTQ03_EOF_INT_BIT | GMAC0_HWTQ02_EOF_INT_BIT | -+ GMAC0_HWTQ01_EOF_INT_BIT | GMAC0_HWTQ00_EOF_INT_BIT | -+ DEFAULT_Q0_INT_BIT; -+ gmac->intr1_enabled = DEFAULT_Q0_INT_BIT | TOE_IQ_ALL_BITS; -+ gmac->intr2_selected = 0xffffffff; /* TOE Queue 32-63 FUUL Intr */ -+ gmac->intr2_enabled = 0xffffffff; -+ gmac->intr3_selected = 0xffffffff; /* TOE Queue 0-31 FUUL Intr */ -+ gmac->intr3_enabled = 0xffffffff; -+ gmac->intr4_selected = GMAC0_INT_BITS | CLASS_RX_FULL_INT_BITS | -+ HWFQ_EMPTY_INT_BIT | SWFQ_EMPTY_INT_BIT; -+ gmac->intr4_enabled = GMAC0_INT_BITS | SWFQ_EMPTY_INT_BIT; -+ -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) & ~gmac->intr0_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) & ~gmac->intr1_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) & ~gmac->intr2_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) & ~gmac->intr3_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) & ~gmac->intr4_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); -+ } else { -+ gmac->intr0_selected = GMAC1_TXDERR_INT_BIT | GMAC1_TXPERR_INT_BIT | -+ GMAC1_RXDERR_INT_BIT | GMAC1_RXPERR_INT_BIT | -+ GMAC1_SWTQ15_FIN_INT_BIT | GMAC1_SWTQ15_EOF_INT_BIT | -+ GMAC1_SWTQ14_FIN_INT_BIT | GMAC1_SWTQ14_EOF_INT_BIT | -+ GMAC1_SWTQ13_FIN_INT_BIT | GMAC1_SWTQ13_EOF_INT_BIT | -+ GMAC1_SWTQ12_FIN_INT_BIT | GMAC1_SWTQ12_EOF_INT_BIT | -+ GMAC1_SWTQ11_FIN_INT_BIT | GMAC1_SWTQ11_EOF_INT_BIT | -+ GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; -+#ifdef GMAX_TX_INTR_DISABLED -+ gmac->intr0_enabled = 0; -+#else -+ gmac->intr0_enabled = GMAC1_SWTQ10_FIN_INT_BIT | GMAC1_SWTQ10_EOF_INT_BIT; -+#endif -+ -+ gmac->intr1_selected = DEFAULT_Q1_INT_BIT; -+ gmac->intr1_enabled = DEFAULT_Q1_INT_BIT | TOE_IQ_ALL_BITS; -+ gmac->intr2_selected = 0; /* TOE Queue 32-63 FUUL Intr */ -+ gmac->intr2_enabled = 0; -+ gmac->intr3_selected = 0; /* TOE Queue 0-31 FUUL Intr */ -+ gmac->intr3_enabled = 0; -+ gmac->intr4_selected = GMAC1_INT_BITS; -+ gmac->intr4_enabled = GMAC1_INT_BITS; -+ -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG) | gmac->intr0_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_0_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG) | gmac->intr1_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_1_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG) | gmac->intr2_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_2_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG) | gmac->intr3_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_3_REG); -+ data = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG) | gmac->intr4_selected; -+ __raw_writel(data, toe->global_base + GLOBAL_INTERRUPT_SELECT_4_REG); -+ } -+ -+ /* enable only selected bits */ -+ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_0_REG, -+ gmac->intr0_enabled, gmac->intr0_selected); -+ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_1_REG, -+ gmac->intr1_enabled, gmac->intr1_selected); -+ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_2_REG, -+ gmac->intr2_enabled, gmac->intr2_selected); -+ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_3_REG, -+ gmac->intr3_enabled, gmac->intr3_selected); -+ gmac_write_reg(toe->global_base, GLOBAL_INTERRUPT_ENABLE_4_REG, -+ gmac->intr4_enabled, gmac->intr4_selected); -+ -+ /* start DMA process */ -+ toe_gmac_hw_start(gmac); -+} -+ -+static void toe_gmac_enable_tx_rx(struct net_device *dev) -+{ -+ GMAC_CONFIG0_T config0; -+ -+ /* enable TX/RX */ -+ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); -+ config0.bits.dis_rx = 0; /* enable rx */ -+ config0.bits.dis_tx = 0; /* enable tx */ -+ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); -+} -+ -+static void toe_gmac_disable_tx_rx(struct net_device *dev) -+{ -+ GMAC_CONFIG0_T config0; -+ -+ /* enable TX/RX */ -+ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); -+ config0.bits.dis_rx = 1; /* disable rx */ -+ config0.bits.dis_tx = 1; /* disable tx */ -+ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); -+} -+ -+static void toe_gmac_tx_complete(struct net_device *dev, unsigned int tx_qid) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ GMAC_TXDESC_T *curr_desc; -+ GMAC_TXDESC_0_T word0; -+ GMAC_TXDESC_1_T word1; -+ unsigned int desc_count; -+ GMAC_SWTXQ_T *swtxq; -+ DMA_RWPTR_T rwptr; -+ -+ /* get tx H/W completed descriptor virtual address */ -+ /* check tx status and accumulate tx statistics */ -+ swtxq = &gmac->swtxq[tx_qid]; -+ for (;;) { -+ rwptr.bits32 = __raw_readl(swtxq->rwptr_reg); -+ if (rwptr.bits.rptr == swtxq->finished_idx) -+ break; -+ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; -+ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, -+ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), -+ sizeof(GMAC_TXDESC_T), -+ DMA_FROM_DEVICE); -+ word0.bits32 = curr_desc->word0.bits32; -+ word1.bits32 = curr_desc->word1.bits32; -+ -+ if (word0.bits.status_tx_ok) { -+ dev->stats.tx_bytes += word1.bits.byte_count; -+ desc_count = word0.bits.desc_count; -+ if (desc_count == 0) { -+ dev_err(&dev->dev, "%s::Desc 0x%x = 0x%x, desc_count=%d\n", __func__, (u32)curr_desc, word0.bits32, desc_count); -+ BUG(); -+ } -+ while (--desc_count) { -+ word0.bits.status_tx_ok = 0; -+ curr_desc->word0.bits32 = word0.bits32; -+ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, -+ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), -+ sizeof(GMAC_TXDESC_T), -+ DMA_TO_DEVICE); -+ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM); -+ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + swtxq->finished_idx; -+ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, -+ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), -+ sizeof(GMAC_TXDESC_T), -+ DMA_FROM_DEVICE); -+ word0.bits32 = curr_desc->word0.bits32; -+ } -+ -+ word0.bits.status_tx_ok = 0; -+ dev_kfree_skb_any(swtxq->tx_skb[swtxq->finished_idx]); -+ swtxq->tx_skb[swtxq->finished_idx] = NULL; -+ -+ curr_desc->word0.bits32 = word0.bits32; -+ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, -+ swtxq->finished_idx * sizeof(GMAC_TXDESC_T), -+ sizeof(GMAC_TXDESC_T), -+ DMA_TO_DEVICE); -+ dev->stats.tx_packets++; -+ swtxq->finished_idx = RWPTR_ADVANCE_ONE(swtxq->finished_idx, TOE_GMAC_SWTXQ_DESC_NUM); -+ } else { -+ break; -+ } -+ } -+ -+ if (netif_queue_stopped(dev)) -+ netif_wake_queue(dev); -+} -+ -+static int gmac_start_xmit(struct sk_buff *skb, struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ DMA_RWPTR_T rwptr; -+ GMAC_TXDESC_T *curr_desc; -+ int snd_pages = skb_shinfo(skb)->nr_frags + 1; /* get number of descriptor */ -+ int frag_id = 0; -+ int len, total_len = skb->len; -+ struct net_device_stats *isPtr = &dev->stats; -+ unsigned int free_desc; -+ GMAC_SWTXQ_T *swtxq; -+ register unsigned long word0, word1, word2, word3; -+ unsigned short wptr, rptr; -+ -+#ifdef GMAC_LEN_1_2_ISSUE -+ int total_pages; -+ total_pages = snd_pages; -+#endif -+ -+ if (skb->len >= 0x10000) { -+ isPtr->tx_dropped++; -+ dev_err(&dev->dev, "%s::skb->len %d >= 64K\n", __func__, skb->len); -+ netif_stop_queue(dev); -+ return 1; -+ } -+ -+#ifdef GMAC_USE_TXQ0 -+ #define tx_qid 0 -+#endif -+ -+ swtxq = &gmac->swtxq[tx_qid]; -+ -+ rwptr.bits32 = __raw_readl(swtxq->rwptr_reg); -+ wptr = rwptr.bits.wptr; -+ rptr = rwptr.bits.rptr; -+ -+ /* -+ * check finished desc or empty BD -+ * cannot check by read ptr of RW PTR register, -+ * because the HW complete to send but the SW may NOT handle it -+ */ -+#ifdef GMAX_TX_INTR_DISABLED -+ toe_gmac_tx_complete(dev, tx_qid); -+#endif -+ if (wptr >= swtxq->finished_idx) -+ free_desc = TOE_GMAC_SWTXQ_DESC_NUM - wptr + swtxq->finished_idx; -+ else -+ free_desc = swtxq->finished_idx - wptr; -+ -+ if (free_desc < snd_pages) { -+ isPtr->tx_dropped++; -+ netif_stop_queue(dev); -+ return 1; -+ } -+ -+ while (snd_pages) { -+ char *pkt_datap; -+ -+ curr_desc = (GMAC_TXDESC_T *)swtxq->desc_base + wptr; -+ if (frag_id == 0) { -+ len = skb_headlen(skb); -+ pkt_datap = dma_map_single(toe->dev, skb->data, len, DMA_TO_DEVICE); -+ } else { -+ skb_frag_t *frag = &skb_shinfo(skb)->frags[frag_id - 1]; -+ len = frag->size; -+ pkt_datap = dma_map_page(toe->dev, frag->page.p, frag->page_offset, len, DMA_TO_DEVICE); -+ } -+ -+ /* set TX descriptor */ -+ word0 = len; -+ word3 = (dev->mtu + 14) | EOFIE_BIT; -+ -+#ifdef DO_HW_CHKSUM -+ if (total_len <= 1514 && ip_hdr(skb) && (ip_hdr(skb)->frag_off & __constant_htons(0x3fff))) -+ word1 = total_len | -+ TSS_IP_CHKSUM_BIT | -+ TSS_IPV6_ENABLE_BIT | -+ TSS_MTU_ENABLE_BIT; -+ else -+ word1 = total_len | -+ TSS_UDP_CHKSUM_BIT | -+ TSS_TCP_CHKSUM_BIT | -+ TSS_IP_CHKSUM_BIT | -+ TSS_IPV6_ENABLE_BIT | -+ TSS_MTU_ENABLE_BIT; -+#else -+ word1 = total_len | TSS_MTU_ENABLE_BIT; -+#endif -+ word2 = pkt_datap; -+ -+ if (frag_id == 0) -+ word3 |= SOF_BIT; -+ -+ if (snd_pages == 1) { -+ word3 |= EOF_BIT; -+ swtxq->tx_skb[wptr] = skb; -+ } else -+ swtxq->tx_skb[wptr] = NULL; -+ -+#ifdef GMAC_LEN_1_2_ISSUE -+ if ((total_pages != snd_pages) && (len == 1 || len == 2) && ((u32)pkt_datap & 0x03)) { -+ memcpy((void *)&_debug_prefetch_buf[_debug_prefetch_cnt][0], pkt_datap, len); -+ pkt_datap = (char *)&_debug_prefetch_buf[_debug_prefetch_cnt][0]; -+ word2 = (unsigned long)__pa(pkt_datap); -+ _debug_prefetch_cnt++; -+ if (_debug_prefetch_cnt >= _DEBUG_PREFETCH_NUM) -+ _debug_prefetch_cnt = 0; -+ } -+#endif -+ curr_desc->word0.bits32 = word0; -+ curr_desc->word1.bits32 = word1; -+ curr_desc->word2.bits32 = word2; -+ curr_desc->word3.bits32 = word3; -+ free_desc--; -+ dma_sync_single_range_for_device(toe->dev, swtxq->desc_base_dma, -+ wptr * sizeof(GMAC_TXDESC_T), -+ sizeof(GMAC_TXDESC_T), -+ DMA_TO_DEVICE); -+ wptr = RWPTR_ADVANCE_ONE(wptr, TOE_GMAC_SWTXQ_DESC_NUM); -+ frag_id++; -+ snd_pages--; -+ } -+ -+ SET_WPTR(swtxq->rwptr_reg, wptr); -+ dev->trans_start = jiffies; -+ -+ return 0; -+} -+ -+static void __gmac_set_mac_address(struct net_device *dev) -+{ -+ unsigned int reg_val; -+ -+ reg_val = dev->dev_addr[0] + (dev->dev_addr[1] << 8) + -+ (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24); -+ __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD0); -+ reg_val = (__raw_readl(dev->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) + -+ dev->dev_addr[4] + (dev->dev_addr[5] << 8); -+ __raw_writel(reg_val, dev->base_addr + GMAC_STA_ADD1); -+} -+ -+static int gmac_set_mac_address(struct net_device *dev, void *addr) -+{ -+ struct sockaddr *sa = addr; -+ -+ memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); -+ -+ __gmac_set_mac_address(dev); -+ -+ return 0; -+} -+ -+static void gmac_get_mac_address(struct net_device *dev) -+{ -+ unsigned int reg_val; -+ -+ reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD0); -+ dev->dev_addr[0] = reg_val & 0xFF; -+ dev->dev_addr[1] = (reg_val >> 8) & 0xFF; -+ dev->dev_addr[2] = (reg_val >> 16) & 0xFF; -+ dev->dev_addr[3] = (reg_val >> 24) & 0xFF; -+ reg_val = __raw_readl(dev->base_addr + GMAC_STA_ADD1); -+ dev->dev_addr[4] = reg_val & 0xFF; -+ dev->dev_addr[5] = (reg_val >> 8) & 0xFF; -+ -+ if (!is_valid_ether_addr(dev->dev_addr)) { -+ random_ether_addr(dev->dev_addr); -+ __gmac_set_mac_address(dev); -+ } -+} -+ -+struct net_device_stats *gmac_get_stats(struct net_device *dev) -+{ -+ if (netif_running(dev)) { -+ unsigned short multicast; -+ -+ multicast = __raw_readw(dev->base_addr + GMAC_IN_MCAST) + -+ __raw_readw(dev->base_addr + GMAC_IN_BCAST); -+ -+ dev->stats.rx_dropped += __raw_readw(dev->base_addr + GMAC_IN_DISCARDS); -+ dev->stats.rx_errors += __raw_readw(dev->base_addr + GMAC_IN_ERRORS); -+ dev->stats.rx_packets += __raw_readl(dev->base_addr + GMAC_IN_MAC1) + multicast; -+ dev->stats.multicast += multicast; -+ } -+ -+ return &dev->stats; -+} -+ -+/* TODO: If possible use crc32 from kernel lib */ -+static unsigned const ethernet_polynomial = 0x04c11db7U; -+static unsigned int ether_crc(int length, unsigned char *data) -+{ -+ int crc = -1; -+ unsigned int i; -+ unsigned int crc_val = 0; -+ -+ while (--length >= 0) { -+ unsigned char current_octet = *data++; -+ int bit; -+ for (bit = 0; bit < 8; bit++, current_octet >>= 1) -+ crc = (crc << 1) ^ ((crc < 0) ^ (current_octet & 1) ? -+ ethernet_polynomial : 0); -+ } -+ crc = ~crc; -+ for (i = 0; i < 32; i++) -+ crc_val = crc_val + (((crc << i) & 0x80000000) >> (31 - i)); -+ -+ return crc_val; -+} -+ -+/*---------------------------------------------------------------------- -+* toe_gmac_fill_free_q -+* allocate buffers for free queue. -+*----------------------------------------------------------------------*/ -+static void toe_gmac_fill_free_q(struct toe_private *toe) -+{ -+ struct sk_buff *skb; -+ DMA_RWPTR_T fq_rwptr; -+ GMAC_RXDESC_T *fq_desc; -+ unsigned long flags; -+ -+ spin_lock_irqsave(&toe->freeq_lock, flags); -+ fq_rwptr.bits32 = __raw_readl(toe->global_base + GLOBAL_SWFQ_RWPTR_REG); -+ while ((unsigned short)RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, -+ TOE_SW_FREEQ_DESC_NUM) != fq_rwptr.bits.rptr) { -+ skb = dev_alloc_skb(SW_RX_BUF_SIZE); -+ if (skb == NULL) { -+ dev_err(toe->dev, "%s::skb allocation fail\n", __func__); -+ break; -+ } -+ REG32(skb->data) = (unsigned int)skb; -+ skb_reserve(skb, SKB_RESERVE_BYTES); -+ fq_rwptr.bits.wptr = RWPTR_ADVANCE_ONE(fq_rwptr.bits.wptr, -+ TOE_SW_FREEQ_DESC_NUM); -+ fq_desc = (GMAC_RXDESC_T *)toe->swfq_desc_base + fq_rwptr.bits.wptr; -+ fq_desc->word2.buf_adr = dma_map_single(toe->dev, skb->data, -+ SW_RX_BUF_SIZE - SKB_RESERVE_BYTES, -+ DMA_FROM_DEVICE); -+ dma_sync_single_range_for_device(toe->dev, -+ toe->sw_freeq_desc_base_dma, -+ fq_rwptr.bits.wptr * sizeof(GMAC_RXDESC_T), -+ sizeof(GMAC_RXDESC_T), -+ DMA_TO_DEVICE); -+ SET_WPTR(toe->global_base + GLOBAL_SWFQ_RWPTR_REG, fq_rwptr.bits.wptr); -+ } -+ spin_unlock_irqrestore(&toe->freeq_lock, flags); -+} -+ -+static void fill_free_q_worker(struct work_struct *work) -+{ -+ struct toe_private *toe = container_of(work, struct toe_private, freq_work); -+ -+ toe_gmac_fill_free_q(toe); -+} -+ -+/*---------------------------------------------------------------------- -+* toe_gmac_handle_default_rxq -+* (1) Get rx Buffer for default Rx queue -+* (2) notify or call upper-routine to handle it -+* (3) get a new buffer and insert it into SW free queue -+* (4) Note: The SW free queue Read-Write Pointer should be locked when accessing -+*----------------------------------------------------------------------*/ -+static void toe_gmac_handle_default_rxq(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ GMAC_RXDESC_T *curr_desc; -+ struct sk_buff *skb; -+ DMA_RWPTR_T rwptr; -+ unsigned int pkt_size; -+ int max_cnt; -+ unsigned int desc_count; -+ unsigned int chksum_status, rx_status; -+ struct net_device_stats *isPtr = &dev->stats; -+ -+ rwptr.bits32 = __raw_readl(&gmac->default_qhdr->word1); -+ max_cnt = DEFAULT_RXQ_MAX_CNT; -+ while ((--max_cnt) && rwptr.bits.rptr != rwptr.bits.wptr) { -+ curr_desc = (GMAC_RXDESC_T *)gmac->default_desc_base + rwptr.bits.rptr; -+ dma_sync_single_range_for_device(toe->dev, -+ gmac->default_desc_base_dma, -+ rwptr.bits.rptr * sizeof(GMAC_RXDESC_T), -+ sizeof(GMAC_RXDESC_T), -+ DMA_FROM_DEVICE); -+ rx_status = curr_desc->word0.bits.status; -+ chksum_status = curr_desc->word0.bits.chksum_status; -+ pkt_size = curr_desc->word1.bits.byte_count; /* total byte count in a frame */ -+ desc_count = curr_desc->word0.bits.desc_count; /* get descriptor count per frame */ -+ skb = (struct sk_buff *)(REG32(__va(curr_desc->word2.buf_adr) - SKB_RESERVE_BYTES)); -+ -+ if ((curr_desc->word0.bits32 & (GMAC_RXDESC_0_T_derr | GMAC_RXDESC_0_T_perr)) -+ || (pkt_size < 60) || (chksum_status & 0x4) || rx_status) { -+ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_derr) -+ dev_err(&dev->dev, "%s::derr\n", __func__); -+ if (curr_desc->word0.bits32 & GMAC_RXDESC_0_T_perr) -+ dev_err(&dev->dev, "%s::perr\n", __func__); -+ if (rx_status && (rx_status == 4 || rx_status == 7)) -+ isPtr->rx_crc_errors++; -+ -+ dev_kfree_skb_irq(skb); -+ goto bad_frame; -+ } -+ -+ if (curr_desc->word0.bits.drop) -+ dev_warn(&dev->dev, "%s::Drop\n", __func__); -+ -+ /* get frame information from the first descriptor of the frame */ -+ skb_reserve(skb, RX_INSERT_BYTES); /* 16 byte align the IP fields. */ -+ skb_put(skb, pkt_size); -+ skb->dev = dev; -+ skb->protocol = eth_type_trans(skb, dev); -+ if (chksum_status == RX_CHKSUM_IP_UDP_TCP_OK || chksum_status == RX_CHKSUM_IP_OK_ONLY) -+ skb->ip_summed = CHECKSUM_UNNECESSARY; -+ -+ netif_rx(skb); /* socket rx */ -+ dev->last_rx = jiffies; -+ -+ isPtr->rx_bytes += pkt_size; -+ -+bad_frame: -+ /* advance one for Rx default Q 0/1 */ -+ rwptr.bits.rptr = RWPTR_ADVANCE_ONE(rwptr.bits.rptr, TOE_DEFAULT_Q_DESC_NUM); -+ SET_RPTR(&gmac->default_qhdr->word1, rwptr.bits.rptr); -+ } -+ -+ schedule_work(&toe->freq_work); -+} -+ -+static irqreturn_t toe_gmac_interrupt(int irq, void *dev_instance) -+{ -+ struct net_device *dev = dev_instance; -+ struct gmac_private *gmac = netdev_priv(dev); -+ struct toe_private *toe = dev->ml_priv; -+ unsigned int status0; -+ unsigned int status1; -+ unsigned int status2; -+ unsigned int status3; -+ unsigned int status4; -+ int handled = 0; -+ -+ /* read Interrupt status */ -+ status0 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); -+ status1 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); -+ status2 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); -+ status3 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); -+ status4 = __raw_readl(toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); -+ -+ /* clear interrupts */ -+ if (status0) -+ __raw_writel(status0, toe->global_base + GLOBAL_INTERRUPT_STATUS_0_REG); -+ if (status1) -+ __raw_writel(status1, toe->global_base + GLOBAL_INTERRUPT_STATUS_1_REG); -+ if (status2) -+ __raw_writel(status2, toe->global_base + GLOBAL_INTERRUPT_STATUS_2_REG); -+ if (status3) -+ __raw_writel(status3, toe->global_base + GLOBAL_INTERRUPT_STATUS_3_REG); -+ if (status4) -+ __raw_writel(status4, toe->global_base + GLOBAL_INTERRUPT_STATUS_4_REG); -+ -+ /* handle freeq interrupt first */ -+ if (status4 & gmac->intr4_enabled) { -+ if ((status4 & SWFQ_EMPTY_INT_BIT) && (gmac->intr4_enabled & SWFQ_EMPTY_INT_BIT)) { -+ toe_gmac_fill_free_q(toe); -+ handled = 1; -+ } -+ } -+ -+ /* Interrupt Status 1 */ -+ if (status1 & gmac->intr1_enabled) { -+ /* -+ * Handle GMAC 0/1 HW Tx queue 0-3 EOF events -+ * Only count -+ * TOE, Classification, and default queues interrupts are handled by ISR -+ * because they should pass packets to upper layer -+ */ -+ if (gmac->port_id == 0) { -+ if (netif_running(dev) && (status1 & DEFAULT_Q0_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q0_INT_BIT)) { -+ toe_gmac_handle_default_rxq(dev); -+ handled = 1; -+ } -+ } else if (gmac->port_id == 1) { -+ if (netif_running(dev) && (status1 & DEFAULT_Q1_INT_BIT) && (gmac->intr1_enabled & DEFAULT_Q1_INT_BIT)) { -+ toe_gmac_handle_default_rxq(dev); -+ handled = 1; -+ } -+ } -+ } -+ -+ /* Interrupt Status 0 */ -+ if (status0 & gmac->intr0_enabled) { -+#ifndef GMAX_TX_INTR_DISABLED -+ if (gmac->port_id == 1 && netif_running(dev) && -+ (((status0 & GMAC1_SWTQ10_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_FIN_INT_BIT)) -+ || -+ ((status0 & GMAC1_SWTQ10_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC1_SWTQ10_EOF_INT_BIT)))) { -+ toe_gmac_tx_complete(dev, 0); -+ handled = 1; -+ } -+ -+ if (gmac->port_id == 0 && netif_running(dev) && -+ (((status0 & GMAC0_SWTQ00_FIN_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_FIN_INT_BIT)) -+ || -+ ((status0 & GMAC0_SWTQ00_EOF_INT_BIT) && (gmac->intr0_enabled & GMAC0_SWTQ00_EOF_INT_BIT)))) { -+ toe_gmac_tx_complete(dev, 0); -+ handled = 1; -+ } -+#endif -+ } -+ -+ return IRQ_RETVAL(handled); -+} -+ -+static int gmac_open(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ int retval; -+ -+ /* hook ISR */ -+ retval = request_irq(dev->irq, toe_gmac_interrupt, 0, dev->name, dev); -+ if (retval) -+ return retval; -+ -+ toe_init_gmac(dev); -+ -+ netif_carrier_off(dev); -+ phy_start(gmac->phydev); -+ -+ netif_start_queue(dev); -+ -+ return 0; -+} -+ -+static int gmac_close(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ -+ netif_stop_queue(dev); -+ mdelay(20); -+ -+ if (gmac->phydev) -+ phy_stop(gmac->phydev); -+ -+ /* stop tx/rx packet */ -+ toe_gmac_disable_tx_rx(dev); -+ mdelay(20); -+ -+ /* stop the chip's Tx and Rx DMA processes */ -+ toe_gmac_hw_stop(gmac); -+ -+ disable_irq(dev->irq); -+ free_irq(dev->irq, dev); -+ -+ return 0; -+} -+ -+static void gmac_get_phy_status(struct net_device *dev) -+{ -+ struct gmac_private *gmac = netdev_priv(dev); -+ GMAC_CONFIG0_T config0; -+ GMAC_STATUS_T status, old_status; -+ struct phy_device *phydev = gmac->phydev; -+ -+ old_status.bits32 = status.bits32 = __raw_readl(dev->base_addr + GMAC_STATUS); -+ -+ status.bits.link = phydev->link; -+ status.bits.duplex = phydev->duplex; -+ -+ switch (phydev->speed) { -+ case 1000: -+ status.bits.speed = GMAC_SPEED_1000; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_1000; -+ break; -+ case 100: -+ status.bits.speed = GMAC_SPEED_100; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ case 10: -+ status.bits.speed = GMAC_SPEED_10; -+ if (phydev->interface == PHY_INTERFACE_MODE_RGMII) -+ status.bits.mii_rmii = GMAC_PHY_RGMII_100_10; -+ break; -+ default: -+ dev_warn(&dev->dev, "Not supported PHY speed (%d)\n", phydev->speed); -+ } -+ -+ if (phydev->pause) { -+ if (gmac->flow_control_enable == 0) { -+ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); -+ config0.bits.tx_fc_en = 1; /* enable tx flow control */ -+ config0.bits.rx_fc_en = 1; /* enable rx flow control */ -+ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); -+ dev_info(&dev->dev, "MII flow control enabled\n"); -+ } -+ gmac->flow_control_enable = 1; -+ } else { -+ if (gmac->flow_control_enable == 1) { -+ config0.bits32 = __raw_readl(dev->base_addr + GMAC_CONFIG0); -+ config0.bits.tx_fc_en = 0; /* disable tx flow control */ -+ config0.bits.rx_fc_en = 0; /* disable rx flow control */ -+ __raw_writel(config0.bits32, dev->base_addr + GMAC_CONFIG0); -+ dev_info(&dev->dev, "MII flow control disabled\n"); -+ } -+ gmac->flow_control_enable = 0; -+ } -+ -+ if (old_status.bits32 != status.bits32) { -+ toe_gmac_disable_tx_rx(dev); -+ phy_print_status(phydev); -+ mdelay(10); /* let GMAC consume packet */ -+ __raw_writel(status.bits32, dev->base_addr + GMAC_STATUS); -+ if (status.bits.link) -+ toe_gmac_enable_tx_rx(dev); -+ } -+} -+ -+static void gmac_set_rx_mode(struct net_device *dev) -+{ -+ GMAC_RX_FLTR_T filter; -+ unsigned int mc_filter[2]; /* Multicast hash filter */ -+ int bit_nr; -+ -+ filter.bits32 = 0; -+ filter.bits.error = 0; -+ if (dev->flags & IFF_PROMISC) { -+ filter.bits.error = 1; -+ filter.bits.promiscuous = 1; -+ filter.bits.broadcast = 1; -+ filter.bits.multicast = 1; -+ filter.bits.unicast = 1; -+ mc_filter[1] = mc_filter[0] = 0xffffffff; -+ } else if (dev->flags & IFF_ALLMULTI) { -+ filter.bits.broadcast = 1; -+ filter.bits.multicast = 1; -+ filter.bits.unicast = 1; -+ mc_filter[1] = mc_filter[0] = 0xffffffff; -+ } else { -+ struct netdev_hw_addr *ha; -+ -+ filter.bits.broadcast = 1; -+ filter.bits.multicast = 1; -+ filter.bits.unicast = 1; -+ mc_filter[1] = mc_filter[0] = 0; -+ netdev_for_each_mc_addr(ha, dev) { -+ bit_nr = ether_crc(ETH_ALEN, ha->addr) & 0x3f; -+ if (bit_nr <= 32) -+ mc_filter[0] = mc_filter[0] | (1 << bit_nr); -+ else -+ mc_filter[1] = mc_filter[1] | (1 << (bit_nr - 32)); -+ } -+ } -+ __raw_writel(filter.bits32, dev->base_addr + GMAC_RX_FLTR); -+ __raw_writel(mc_filter[0], dev->base_addr + GMAC_MCAST_FIL0); -+ __raw_writel(mc_filter[1], dev->base_addr + GMAC_MCAST_FIL1); -+} -+ -+static void gmac_tx_timeout(struct net_device *dev) -+{ -+ if (!netif_queue_stopped(dev)) -+ netif_wake_queue(dev); -+ -+ dev_warn(&dev->dev, "TX timeout\n"); -+} -+ -+const static struct net_device_ops gemini_gmac_ops = { -+ .ndo_open = gmac_open, -+ .ndo_stop = gmac_close, -+ .ndo_start_xmit = gmac_start_xmit, -+ .ndo_get_stats = gmac_get_stats, -+ .ndo_set_rx_mode = gmac_set_rx_mode, -+ .ndo_set_mac_address = gmac_set_mac_address, -+ .ndo_tx_timeout = gmac_tx_timeout, -+}; -+ -+static void __devinit mac_init_drv(struct toe_private *toe) -+{ -+ QUEUE_THRESHOLD_T threshold; -+ DMA_SKB_SIZE_T skb_size; -+ -+ /* clear non TOE Queue Header Area */ -+ memset(toe->global_base + TOE_NONTOE_QUE_HDR_BASE, 0, -+ NONTOE_Q_HDR_AREA_END - TOE_NONTOE_QUE_HDR_BASE); -+ -+ /* clear TOE Queue Header Area */ -+ memset(toe->global_base + TOE_TOE_QUE_HDR_BASE, 0, -+ TOE_Q_HDR_AREA_END - TOE_TOE_QUE_HDR_BASE); -+ -+ /* Write GLOBAL_QUEUE_THRESHOLD_REG */ -+ threshold.bits32 = 0; -+ threshold.bits.swfq_empty = (TOE_SW_FREEQ_DESC_NUM > 256) ? 255 : -+ TOE_SW_FREEQ_DESC_NUM / 2; -+ threshold.bits.hwfq_empty = (TOE_HW_FREEQ_DESC_NUM > 256) ? 256 / 4 : -+ TOE_HW_FREEQ_DESC_NUM / 4; -+ threshold.bits.toe_class = (TOE_TOE_DESC_NUM > 256) ? 256 / 4 : -+ TOE_TOE_DESC_NUM / 4; -+ threshold.bits.intrq = (TOE_INTR_DESC_NUM > 256) ? 256 / 4 : -+ TOE_INTR_DESC_NUM / 4; -+ __raw_writel(threshold.bits32, toe->global_base + GLOBAL_QUEUE_THRESHOLD_REG); -+ -+ /* Init skb size */ -+ skb_size.bits.hw_skb_size = HW_RX_BUF_SIZE; -+ skb_size.bits.sw_skb_size = SW_RX_BUF_SIZE; -+ __raw_writel(skb_size.bits32, toe->global_base + GLOBAL_DMA_SKB_SIZE_REG); -+ -+ toe_init_free_queue(toe); -+ toe_init_interrupt_config(toe); -+} -+ -+static int __devinit gmac_init_eth(struct platform_device *pdev, -+ unsigned int num) -+{ -+ struct gmac_private *gmac; -+ struct net_device *dev; -+ struct toe_private *toe = platform_get_drvdata(pdev); -+ struct gemini_gmac_platform_data *pdata = pdev->dev.platform_data; -+ -+ if (!pdata->bus_id[num]) -+ return 0; -+ -+ dev = alloc_etherdev(sizeof(*gmac)); -+ if (dev == NULL) { -+ dev_err(&pdev->dev, "Can't allocate ethernet device #%d\n", num); -+ return -ENOMEM; -+ } -+ -+ gmac = netdev_priv(dev); -+ dev->ml_priv = toe; -+ toe->net_dev[num] = dev; -+ -+ gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num); -+ gmac->port_id = num; -+ -+ dev->base_addr = toe->global_base + TOE_GMAC_BASE(num); -+ dev->irq = platform_get_irq(pdev, num); -+ dev->netdev_ops = &gemini_gmac_ops; -+ dev->watchdog_timeo = GMAC_DEV_TX_TIMEOUT; -+ dev->tx_queue_len = TOE_GMAC_SWTXQ_DESC_NUM; -+ -+#ifdef DO_HW_CHKSUM -+ dev->features = NETIF_F_SG | NETIF_F_HW_CSUM; -+#ifdef ENABLE_TSO -+ dev->features |= NETIF_F_TSO; -+#endif -+#endif -+ -+ toe_init_swtx_queue(dev); -+ toe_init_default_queue(dev); -+ -+ gmac_get_mac_address(dev); -+ -+ /* TODO: Do we need this? */ -+ __raw_writel(0x55aa55aa, dev->base_addr + GMAC_STA_ADD2); -+ -+ if (register_netdev(dev)) -+ return -1; -+ -+ gmac->phydev = phy_connect(dev, pdata->bus_id[num], &gmac_get_phy_status, 0, -+ pdata->interface[num]); -+ if (IS_ERR(gmac->phydev)) -+ return PTR_ERR(gmac->phydev); -+ -+ gmac->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause; -+ gmac->phydev->advertising = gmac->phydev->supported; -+ -+ return 0; -+} -+ -+static int __devinit gmac_probe(struct platform_device *pdev) -+{ -+ struct resource *res; -+ struct toe_private *toe; -+ int retval; -+ -+ if (!pdev->dev.platform_data) -+ return -EINVAL; -+ -+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!res) { -+ dev_err(&pdev->dev, "can't get device resources\n"); -+ return -ENODEV; -+ } -+ -+ toe = kzalloc(sizeof(struct toe_private), GFP_KERNEL); -+ if (!toe) -+ return -ENOMEM; -+ -+ toe->dev = &pdev->dev; -+ -+ toe->global_base = ioremap(res->start, resource_size(res)); -+ if (!toe->global_base) { -+ dev_err(toe->dev, "ioremap failed\n"); -+ retval = -EIO; -+ goto err_data; -+ } -+ -+ platform_set_drvdata(pdev, toe); -+ -+ mac_init_drv(toe); -+ -+ INIT_WORK(&toe->freq_work, fill_free_q_worker); -+ spin_lock_init(&toe->freeq_lock); -+ -+ retval = gmac_init_eth(pdev, GMAC_PORT0); -+ if (retval) -+ goto err_unmap; -+ retval = gmac_init_eth(pdev, GMAC_PORT1); -+ if (retval) -+ goto err_unmap; -+ -+ dev_info(&pdev->dev, SL351x_DRIVER_NAME "\n"); -+ -+ return 0; -+ -+err_unmap: -+ iounmap(toe->global_base); -+err_data: -+ kfree(toe); -+ return retval; -+} -+ -+static int __devexit gmac_remove(struct platform_device *pdev) -+{ -+ struct toe_private *toe = platform_get_drvdata(pdev); -+ int i; -+ -+ for (i = 0; i < 2; i++) -+ if (toe->net_dev[i]) { -+ unregister_netdev(toe->net_dev[i]); -+ kfree(toe->net_dev[i]); -+ } -+ -+ iounmap(toe->global_base); -+ -+ kfree(toe); -+ -+ return 0; -+} -+ -+static struct platform_driver gemini_gmac_driver = { -+ .probe = gmac_probe, -+ .remove = __devexit_p(gmac_remove), -+ .driver = { -+ .name = "gemini-gmac", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init gemini_gmac_init(void) -+{ -+ return platform_driver_register(&gemini_gmac_driver); -+} -+ -+static void __exit gemini_gmac_exit(void) -+{ -+ platform_driver_unregister(&gemini_gmac_driver); -+} -+ -+module_init(gemini_gmac_init); -+module_exit(gemini_gmac_exit); -+ -+MODULE_AUTHOR("Paulius Zaleckas"); -+MODULE_DESCRIPTION("Ethernet device driver for Gemini SoC"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("platform:gemini-gmac"); ---- /dev/null -+++ b/drivers/net/gemini_negmac/gm_gmac.h -@@ -0,0 +1,1488 @@ -+/* -+ * Register definitions for Gemini Ethernet device driver. -+ * -+ * Copyright (C) 2006, Storlink, Corp. -+ * Copyright (C) 2008-2009, Paulius Zaleckas <paulius.zaleckas@teltonika.lt> -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License as published by -+ * the Free Software Foundation; either version 2 of the License, or -+ * (at your option) any later version. -+ */ -+#ifndef _GMAC_SL351x_H -+#define _GMAC_SL351x_H -+#include <linux/skbuff.h> -+ -+#define _PACKED_ __attribute__ ((aligned(1), packed)) -+ -+#ifndef BIT -+#define BIT(x) (1 << (x)) -+#endif -+ -+#define REG32(addr) (*(volatile unsigned long * const)(addr)) -+ -+/* Define frame size */ -+#define GMAC_MAX_ETH_FRAME_SIZE 1514 -+#define GMAC_TX_BUF_SIZE ((GMAC_MAX_ETH_FRAME_SIZE + 31) & (~31)) -+ -+#define SW_RX_BUF_SIZE 1536 -+#define HW_RX_BUF_SIZE 1536 -+ -+#define GMAC_DEV_TX_TIMEOUT (10*HZ) -+#define SKB_RESERVE_BYTES 16 -+ -+/* -+ * Base Registers -+ */ -+#define TOE_NONTOE_QUE_HDR_BASE 0x2000 -+#define TOE_TOE_QUE_HDR_BASE 0x3000 -+#define TOE_V_BIT_BASE 0x4000 -+#define TOE_A_BIT_BASE 0x6000 -+#define TOE_GMAC_DMA_BASE(x) (0x8000 + 0x4000 * (x)) -+#define TOE_GMAC_BASE(x) (0xA000 + 0x4000 * (x)) -+ -+/* -+ * Queue ID -+ */ -+#define TOE_SW_FREE_QID 0x00 -+#define TOE_HW_FREE_QID 0x01 -+#define TOE_GMAC0_SW_TXQ0_QID 0x02 -+#define TOE_GMAC0_SW_TXQ1_QID 0x03 -+#define TOE_GMAC0_SW_TXQ2_QID 0x04 -+#define TOE_GMAC0_SW_TXQ3_QID 0x05 -+#define TOE_GMAC0_SW_TXQ4_QID 0x06 -+#define TOE_GMAC0_SW_TXQ5_QID 0x07 -+#define TOE_GMAC0_HW_TXQ0_QID 0x08 -+#define TOE_GMAC0_HW_TXQ1_QID 0x09 -+#define TOE_GMAC0_HW_TXQ2_QID 0x0A -+#define TOE_GMAC0_HW_TXQ3_QID 0x0B -+#define TOE_GMAC1_SW_TXQ0_QID 0x12 -+#define TOE_GMAC1_SW_TXQ1_QID 0x13 -+#define TOE_GMAC1_SW_TXQ2_QID 0x14 -+#define TOE_GMAC1_SW_TXQ3_QID 0x15 -+#define TOE_GMAC1_SW_TXQ4_QID 0x16 -+#define TOE_GMAC1_SW_TXQ5_QID 0x17 -+#define TOE_GMAC1_HW_TXQ0_QID 0x18 -+#define TOE_GMAC1_HW_TXQ1_QID 0x19 -+#define TOE_GMAC1_HW_TXQ2_QID 0x1A -+#define TOE_GMAC1_HW_TXQ3_QID 0x1B -+#define TOE_GMAC0_DEFAULT_QID 0x20 -+#define TOE_GMAC1_DEFAULT_QID 0x21 -+#define TOE_CLASSIFICATION_QID(x) (0x22 + x) // 0x22 ~ 0x2F -+#define TOE_TOE_QID(x) (0x40 + x) // 0x40 ~ 0x7F -+ -+/* -+ * TOE DMA Queue Number should be 2^n, n = 6...12 -+ * TOE DMA Queues are the following queue types: -+ * SW Free Queue, HW Free Queue, -+ * GMAC 0/1 SW TX Q0-5, and GMAC 0/1 HW TX Q0-5 -+ * They have same descriptor numbers. -+ * The base address and descriptor number are configured at -+ * DMA Queues Descriptor Ring Base Address/Size Register (offset 0x0004) -+ */ -+#define TOE_SW_FREEQ_DESC_POWER 8 -+#define TOE_SW_FREEQ_DESC_NUM (1<<TOE_SW_FREEQ_DESC_POWER) -+#define TOE_HW_FREEQ_DESC_POWER 8 -+#define TOE_HW_FREEQ_DESC_NUM (1<<TOE_HW_FREEQ_DESC_POWER) -+#define TOE_GMAC_SWTXQ_DESC_POWER 8 -+#define TOE_GMAC_SWTXQ_DESC_NUM (1<<TOE_GMAC_SWTXQ_DESC_POWER) -+#define TOE_GMAC_HWTXQ_DESC_POWER 8 -+#define TOE_GMAC_HWTXQ_DESC_NUM (1<<TOE_GMAC_HWTXQ_DESC_POWER) -+#define TOE_DEFAULT_Q_DESC_POWER 8 -+#define TOE_DEFAULT_Q_DESC_NUM (1<<TOE_DEFAULT_Q_DESC_POWER) -+#define TOE_TOE_DESC_POWER 8 -+#define TOE_TOE_DESC_NUM (1<<TOE_TOE_DESC_POWER) -+#define TOE_CLASS_DESC_POWER 8 -+#define TOE_CLASS_DESC_NUM (1<<TOE_CLASS_DESC_POWER) -+#define TOE_INTR_DESC_POWER 8 -+#define TOE_INTR_DESC_NUM (1<<TOE_INTR_DESC_POWER) -+ -+#define TOE_TOE_QUEUE_MAX 64 -+#define TOE_TOE_QUEUE_NUM 64 -+#define TOE_CLASS_QUEUE_MAX 14 -+#define TOE_CLASS_QUEUE_NUM 14 -+#define TOE_INTR_QUEUE_MAX 4 -+#define TOE_INTR_QUEUE_NUM 4 -+#define TOE_SW_TXQ_MAX 6 -+#define TOE_SW_TXQ_NUM 1 -+#define TOE_HW_TXQ_MAX 4 -+#define TOE_HW_TXQ_NUM 4 -+ -+#define RWPTR_ADVANCE_ONE(x, max) ((x == (max -1)) ? 0 : x+1) -+#define RWPTR_RECEDE_ONE(x, max) ((x == 0) ? (max -1) : x-1) -+#define SET_WPTR(addr, data) (*(volatile u16 * const)((u32)(addr) + 2) = (u16)data) -+#define SET_RPTR(addr, data) (*(volatile u16 * const)((u32)(addr)) = (u16)data) -+ -+/* -+ * Global registers -+ * #define TOE_GLOBAL_BASE (TOE_BASE + 0x0000) -+ * Base 0x60000000 -+ */ -+#define GLOBAL_TOE_VERSION_REG 0x0000 -+#define GLOBAL_SW_FREEQ_BASE_SIZE_REG 0x0004 -+#define GLOBAL_HW_FREEQ_BASE_SIZE_REG 0x0008 -+#define GLOBAL_DMA_SKB_SIZE_REG 0x0010 -+#define GLOBAL_SWFQ_RWPTR_REG 0x0014 -+#define GLOBAL_HWFQ_RWPTR_REG 0x0018 -+#define GLOBAL_INTERRUPT_STATUS_0_REG 0x0020 -+#define GLOBAL_INTERRUPT_ENABLE_0_REG 0x0024 -+#define GLOBAL_INTERRUPT_SELECT_0_REG 0x0028 -+#define GLOBAL_INTERRUPT_STATUS_1_REG 0x0030 -+#define GLOBAL_INTERRUPT_ENABLE_1_REG 0x0034 -+#define GLOBAL_INTERRUPT_SELECT_1_REG 0x0038 -+#define GLOBAL_INTERRUPT_STATUS_2_REG 0x0040 -+#define GLOBAL_INTERRUPT_ENABLE_2_REG 0x0044 -+#define GLOBAL_INTERRUPT_SELECT_2_REG 0x0048 -+#define GLOBAL_INTERRUPT_STATUS_3_REG 0x0050 -+#define GLOBAL_INTERRUPT_ENABLE_3_REG 0x0054 -+#define GLOBAL_INTERRUPT_SELECT_3_REG 0x0058 -+#define GLOBAL_INTERRUPT_STATUS_4_REG 0x0060 -+#define GLOBAL_INTERRUPT_ENABLE_4_REG 0x0064 -+#define GLOBAL_INTERRUPT_SELECT_4_REG 0x0068 -+#define GLOBAL_HASH_TABLE_BASE_REG 0x006C -+#define GLOBAL_QUEUE_THRESHOLD_REG 0x0070 -+ -+/* -+ * GMAC 0/1 DMA/TOE register -+ * #define TOE_GMAC0_DMA_BASE (TOE_BASE + 0x8000) -+ * #define TOE_GMAC1_DMA_BASE (TOE_BASE + 0xC000) -+ * Base 0x60008000 or 0x6000C000 -+ */ -+#define GMAC_DMA_CTRL_REG 0x0000 -+#define GMAC_TX_WEIGHTING_CTRL_0_REG 0x0004 -+#define GMAC_TX_WEIGHTING_CTRL_1_REG 0x0008 -+#define GMAC_SW_TX_QUEUE0_PTR_REG 0x000C -+#define GMAC_SW_TX_QUEUE1_PTR_REG 0x0010 -+#define GMAC_SW_TX_QUEUE2_PTR_REG 0x0014 -+#define GMAC_SW_TX_QUEUE3_PTR_REG 0x0018 -+#define GMAC_SW_TX_QUEUE4_PTR_REG 0x001C -+#define GMAC_SW_TX_QUEUE5_PTR_REG 0x0020 -+#define GMAC_HW_TX_QUEUE0_PTR_REG 0x0024 -+#define GMAC_HW_TX_QUEUE1_PTR_REG 0x0028 -+#define GMAC_HW_TX_QUEUE2_PTR_REG 0x002C -+#define GMAC_HW_TX_QUEUE3_PTR_REG 0x0030 -+#define GMAC_DMA_TX_FIRST_DESC_REG 0x0038 -+#define GMAC_DMA_TX_CURR_DESC_REG 0x003C -+#define GMAC_DMA_TX_DESC_WORD0_REG 0x0040 -+#define GMAC_DMA_TX_DESC_WORD1_REG 0x0044 -+#define GMAC_DMA_TX_DESC_WORD2_REG 0x0048 -+#define GMAC_DMA_TX_DESC_WORD3_REG 0x004C -+#define GMAC_SW_TX_QUEUE_BASE_REG 0x0050 -+#define GMAC_HW_TX_QUEUE_BASE_REG 0x0054 -+#define GMAC_DMA_RX_FIRST_DESC_REG 0x0058 -+#define GMAC_DMA_RX_CURR_DESC_REG 0x005C -+#define GMAC_DMA_RX_DESC_WORD0_REG 0x0060 -+#define GMAC_DMA_RX_DESC_WORD1_REG 0x0064 -+#define GMAC_DMA_RX_DESC_WORD2_REG 0x0068 -+#define GMAC_DMA_RX_DESC_WORD3_REG 0x006C -+#define GMAC_HASH_ENGINE_REG0 0x0070 -+#define GMAC_HASH_ENGINE_REG1 0x0074 -+/* matching rule 0 Control register 0 */ -+#define GMAC_MR0CR0 0x0078 -+#define GMAC_MR0CR1 0x007C -+#define GMAC_MR0CR2 0x0080 -+#define GMAC_MR1CR0 0x0084 -+#define GMAC_MR1CR1 0x0088 -+#define GMAC_MR1CR2 0x008C -+#define GMAC_MR2CR0 0x0090 -+#define GMAC_MR2CR1 0x0094 -+#define GMAC_MR2CR2 0x0098 -+#define GMAC_MR3CR0 0x009C -+#define GMAC_MR3CR1 0x00A0 -+#define GMAC_MR3CR2 0x00A4 -+/* Support Protocol Regsister 0 */ -+#define GMAC_SPR0 0x00A8 -+#define GMAC_SPR1 0x00AC -+#define GMAC_SPR2 0x00B0 -+#define GMAC_SPR3 0x00B4 -+#define GMAC_SPR4 0x00B8 -+#define GMAC_SPR5 0x00BC -+#define GMAC_SPR6 0x00C0 -+#define GMAC_SPR7 0x00C4 -+/* GMAC Hash/Rx/Tx AHB Weighting register */ -+#define GMAC_AHB_WEIGHT_REG 0x00C8 -+ -+/* -+ * TOE GMAC 0/1 register -+ * #define TOE_GMAC0_BASE (TOE_BASE + 0xA000) -+ * #define TOE_GMAC1_BASE (TOE_BASE + 0xE000) -+ * Base 0x6000A000 or 0x6000E000 -+ */ -+enum GMAC_REGISTER { -+ GMAC_STA_ADD0 = 0x0000, -+ GMAC_STA_ADD1 = 0x0004, -+ GMAC_STA_ADD2 = 0x0008, -+ GMAC_RX_FLTR = 0x000c, -+ GMAC_MCAST_FIL0 = 0x0010, -+ GMAC_MCAST_FIL1 = 0x0014, -+ GMAC_CONFIG0 = 0x0018, -+ GMAC_CONFIG1 = 0x001c, -+ GMAC_CONFIG2 = 0x0020, -+ GMAC_CONFIG3 = 0x0024, -+ GMAC_RESERVED = 0x0028, -+ GMAC_STATUS = 0x002c, -+ GMAC_IN_DISCARDS= 0x0030, -+ GMAC_IN_ERRORS = 0x0034, -+ GMAC_IN_MCAST = 0x0038, -+ GMAC_IN_BCAST = 0x003c, -+ GMAC_IN_MAC1 = 0x0040, /* for STA 1 MAC Address */ -+ GMAC_IN_MAC2 = 0x0044 /* for STA 2 MAC Address */ -+}; -+ -+/* -+ * DMA Queues description Ring Base Address/Size Register (offset 0x0004) -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int base_size; -+} DMA_Q_BASE_SIZE_T; -+#define DMA_Q_BASE_MASK (~0x0f) -+ -+/* -+ * DMA SKB Buffer register (offset 0x0008) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0008 { -+ unsigned int sw_skb_size : 16; /* SW Free poll SKB Size */ -+ unsigned int hw_skb_size : 16; /* HW Free poll SKB Size */ -+ } bits; -+} DMA_SKB_SIZE_T; -+ -+/* -+ * DMA SW Free Queue Read/Write Pointer Register (offset 0x000C) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_000c { -+ unsigned int rptr : 16; /* Read Ptr, RO */ -+ unsigned int wptr : 16; /* Write Ptr, RW */ -+ } bits; -+} DMA_RWPTR_T; -+ -+/* -+ * DMA HW Free Queue Read/Write Pointer Register (offset 0x0010) -+ * see DMA_RWPTR_T structure -+ */ -+ -+/* -+ * Interrupt Status Register 0 (offset 0x0020) -+ * Interrupt Mask Register 0 (offset 0x0024) -+ * Interrupt Select Register 0 (offset 0x0028) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0020 { -+ /* GMAC0 SW Tx Queue 0 EOF Interrupt */ -+ unsigned int swtq00_eof : 1; -+ unsigned int swtq01_eof : 1; -+ unsigned int swtq02_eof : 1; -+ unsigned int swtq03_eof : 1; -+ unsigned int swtq04_eof : 1; -+ unsigned int swtq05_eof : 1; -+ /* GMAC1 SW Tx Queue 0 EOF Interrupt */ -+ unsigned int swtq10_eof : 1; -+ unsigned int swtq11_eof : 1; -+ unsigned int swtq12_eof : 1; -+ unsigned int swtq13_eof : 1; -+ unsigned int swtq14_eof : 1; -+ unsigned int swtq15_eof : 1; -+ /* GMAC0 SW Tx Queue 0 Finish Interrupt */ -+ unsigned int swtq00_fin : 1; -+ unsigned int swtq01_fin : 1; -+ unsigned int swtq02_fin : 1; -+ unsigned int swtq03_fin : 1; -+ unsigned int swtq04_fin : 1; -+ unsigned int swtq05_fin : 1; -+ /* GMAC1 SW Tx Queue 0 Finish Interrupt */ -+ unsigned int swtq10_fin : 1; -+ unsigned int swtq11_fin : 1; -+ unsigned int swtq12_fin : 1; -+ unsigned int swtq13_fin : 1; -+ unsigned int swtq14_fin : 1; -+ unsigned int swtq15_fin : 1; -+ /* GMAC0 Rx Descriptor Protocol Error */ -+ unsigned int rxPerr0 : 1; -+ /* GMAC0 AHB Bus Error while Rx */ -+ unsigned int rxDerr0 : 1; -+ /* GMAC1 Rx Descriptor Protocol Error */ -+ unsigned int rxPerr1 : 1; -+ /* GMAC1 AHB Bus Error while Rx */ -+ unsigned int rxDerr1 : 1; -+ /* GMAC0 Tx Descriptor Protocol Error */ -+ unsigned int txPerr0 : 1; -+ /* GMAC0 AHB Bus Error while Tx */ -+ unsigned int txDerr0 : 1; -+ /* GMAC1 Tx Descriptor Protocol Error */ -+ unsigned int txPerr1 : 1; -+ /* GMAC1 AHB Bus Error while Tx */ -+ unsigned int txDerr1 : 1; -+ } bits; -+} INTR_REG0_T; -+ -+#define GMAC1_TXDERR_INT_BIT BIT(31) -+#define GMAC1_TXPERR_INT_BIT BIT(30) -+#define GMAC0_TXDERR_INT_BIT BIT(29) -+#define GMAC0_TXPERR_INT_BIT BIT(28) -+#define GMAC1_RXDERR_INT_BIT BIT(27) -+#define GMAC1_RXPERR_INT_BIT BIT(26) -+#define GMAC0_RXDERR_INT_BIT BIT(25) -+#define GMAC0_RXPERR_INT_BIT BIT(24) -+#define GMAC1_SWTQ15_FIN_INT_BIT BIT(23) -+#define GMAC1_SWTQ14_FIN_INT_BIT BIT(22) -+#define GMAC1_SWTQ13_FIN_INT_BIT BIT(21) -+#define GMAC1_SWTQ12_FIN_INT_BIT BIT(20) -+#define GMAC1_SWTQ11_FIN_INT_BIT BIT(19) -+#define GMAC1_SWTQ10_FIN_INT_BIT BIT(18) -+#define GMAC0_SWTQ05_FIN_INT_BIT BIT(17) -+#define GMAC0_SWTQ04_FIN_INT_BIT BIT(16) -+#define GMAC0_SWTQ03_FIN_INT_BIT BIT(15) -+#define GMAC0_SWTQ02_FIN_INT_BIT BIT(14) -+#define GMAC0_SWTQ01_FIN_INT_BIT BIT(13) -+#define GMAC0_SWTQ00_FIN_INT_BIT BIT(12) -+#define GMAC1_SWTQ15_EOF_INT_BIT BIT(11) -+#define GMAC1_SWTQ14_EOF_INT_BIT BIT(10) -+#define GMAC1_SWTQ13_EOF_INT_BIT BIT(9) -+#define GMAC1_SWTQ12_EOF_INT_BIT BIT(8) -+#define GMAC1_SWTQ11_EOF_INT_BIT BIT(7) -+#define GMAC1_SWTQ10_EOF_INT_BIT BIT(6) -+#define GMAC0_SWTQ05_EOF_INT_BIT BIT(5) -+#define GMAC0_SWTQ04_EOF_INT_BIT BIT(4) -+#define GMAC0_SWTQ03_EOF_INT_BIT BIT(3) -+#define GMAC0_SWTQ02_EOF_INT_BIT BIT(2) -+#define GMAC0_SWTQ01_EOF_INT_BIT BIT(1) -+#define GMAC0_SWTQ00_EOF_INT_BIT BIT(0) -+ -+/* -+ * Interrupt Status Register 1 (offset 0x0030) -+ * Interrupt Mask Register 1 (offset 0x0034) -+ * Interrupt Select Register 1 (offset 0x0038) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0030 { -+ unsigned int default_q0_eof : 1; /* Default Queue 0 EOF Interrupt */ -+ unsigned int default_q1_eof : 1; /* Default Queue 1 EOF Interrupt */ -+ unsigned int class_rx : 14; /* Classification Queue Rx Interrupt */ -+ unsigned int hwtq00_eof : 1; /* GMAC0 HW Tx Queue0 EOF Interrupt */ -+ unsigned int hwtq01_eof : 1; /* GMAC0 HW Tx Queue1 EOF Interrupt */ -+ unsigned int hwtq02_eof : 1; /* GMAC0 HW Tx Queue2 EOF Interrupt */ -+ unsigned int hwtq03_eof : 1; /* GMAC0 HW Tx Queue3 EOF Interrupt */ -+ unsigned int hwtq10_eof : 1; /* GMAC1 HW Tx Queue0 EOF Interrupt */ -+ unsigned int hwtq11_eof : 1; /* GMAC1 HW Tx Queue1 EOF Interrupt */ -+ unsigned int hwtq12_eof : 1; /* GMAC1 HW Tx Queue2 EOF Interrupt */ -+ unsigned int hwtq13_eof : 1; /* GMAC1 HW Tx Queue3 EOF Interrupt */ -+ unsigned int toe_iq0_intr : 1; /* TOE Interrupt Queue 0 with Interrupts */ -+ unsigned int toe_iq1_intr : 1; /* TOE Interrupt Queue 1 with Interrupts */ -+ unsigned int toe_iq2_intr : 1; /* TOE Interrupt Queue 2 with Interrupts */ -+ unsigned int toe_iq3_intr : 1; /* TOE Interrupt Queue 3 with Interrupts */ -+ unsigned int toe_iq0_full : 1; /* TOE Interrupt Queue 0 Full Interrupt */ -+ unsigned int toe_iq1_full : 1; /* TOE Interrupt Queue 1 Full Interrupt */ -+ unsigned int toe_iq2_full : 1; /* TOE Interrupt Queue 2 Full Interrupt */ -+ unsigned int toe_iq3_full : 1; /* TOE Interrupt Queue 3 Full Interrupt */ -+ } bits; -+} INTR_REG1_T; -+ -+#define TOE_IQ3_FULL_INT_BIT BIT(31) -+#define TOE_IQ2_FULL_INT_BIT BIT(30) -+#define TOE_IQ1_FULL_INT_BIT BIT(29) -+#define TOE_IQ0_FULL_INT_BIT BIT(28) -+#define TOE_IQ3_INT_BIT BIT(27) -+#define TOE_IQ2_INT_BIT BIT(26) -+#define TOE_IQ1_INT_BIT BIT(25) -+#define TOE_IQ0_INT_BIT BIT(24) -+#define GMAC1_HWTQ13_EOF_INT_BIT BIT(23) -+#define GMAC1_HWTQ12_EOF_INT_BIT BIT(22) -+#define GMAC1_HWTQ11_EOF_INT_BIT BIT(21) -+#define GMAC1_HWTQ10_EOF_INT_BIT BIT(20) -+#define GMAC0_HWTQ03_EOF_INT_BIT BIT(19) -+#define GMAC0_HWTQ02_EOF_INT_BIT BIT(18) -+#define GMAC0_HWTQ01_EOF_INT_BIT BIT(17) -+#define GMAC0_HWTQ00_EOF_INT_BIT BIT(16) -+#define CLASS_RX_INT_BIT(x) BIT((x + 2)) -+#define DEFAULT_Q1_INT_BIT BIT(1) -+#define DEFAULT_Q0_INT_BIT BIT(0) -+ -+#define TOE_IQ_INT_BITS (TOE_IQ0_INT_BIT | TOE_IQ1_INT_BIT | \ -+ TOE_IQ2_INT_BIT | TOE_IQ3_INT_BIT) -+#define TOE_IQ_FULL_BITS (TOE_IQ0_FULL_INT_BIT | TOE_IQ1_FULL_INT_BIT | \ -+ TOE_IQ2_FULL_INT_BIT | TOE_IQ3_FULL_INT_BIT) -+#define TOE_IQ_ALL_BITS (TOE_IQ_INT_BITS | TOE_IQ_FULL_BITS) -+#define TOE_CLASS_RX_INT_BITS 0xfffc -+ -+/* -+ * Interrupt Status Register 2 (offset 0x0040) -+ * Interrupt Mask Register 2 (offset 0x0044) -+ * Interrupt Select Register 2 (offset 0x0048) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0040 { -+ unsigned int toe_q0_full : 1; // bit 0 TOE Queue 0 Full Interrupt -+ unsigned int toe_q1_full : 1; // bit 1 TOE Queue 1 Full Interrupt -+ unsigned int toe_q2_full : 1; // bit 2 TOE Queue 2 Full Interrupt -+ unsigned int toe_q3_full : 1; // bit 3 TOE Queue 3 Full Interrupt -+ unsigned int toe_q4_full : 1; // bit 4 TOE Queue 4 Full Interrupt -+ unsigned int toe_q5_full : 1; // bit 5 TOE Queue 5 Full Interrupt -+ unsigned int toe_q6_full : 1; // bit 6 TOE Queue 6 Full Interrupt -+ unsigned int toe_q7_full : 1; // bit 7 TOE Queue 7 Full Interrupt -+ unsigned int toe_q8_full : 1; // bit 8 TOE Queue 8 Full Interrupt -+ unsigned int toe_q9_full : 1; // bit 9 TOE Queue 9 Full Interrupt -+ unsigned int toe_q10_full : 1; // bit 10 TOE Queue 10 Full Interrupt -+ unsigned int toe_q11_full : 1; // bit 11 TOE Queue 11 Full Interrupt -+ unsigned int toe_q12_full : 1; // bit 12 TOE Queue 12 Full Interrupt -+ unsigned int toe_q13_full : 1; // bit 13 TOE Queue 13 Full Interrupt -+ unsigned int toe_q14_full : 1; // bit 14 TOE Queue 14 Full Interrupt -+ unsigned int toe_q15_full : 1; // bit 15 TOE Queue 15 Full Interrupt -+ unsigned int toe_q16_full : 1; // bit 16 TOE Queue 16 Full Interrupt -+ unsigned int toe_q17_full : 1; // bit 17 TOE Queue 17 Full Interrupt -+ unsigned int toe_q18_full : 1; // bit 18 TOE Queue 18 Full Interrupt -+ unsigned int toe_q19_full : 1; // bit 19 TOE Queue 19 Full Interrupt -+ unsigned int toe_q20_full : 1; // bit 20 TOE Queue 20 Full Interrupt -+ unsigned int toe_q21_full : 1; // bit 21 TOE Queue 21 Full Interrupt -+ unsigned int toe_q22_full : 1; // bit 22 TOE Queue 22 Full Interrupt -+ unsigned int toe_q23_full : 1; // bit 23 TOE Queue 23 Full Interrupt -+ unsigned int toe_q24_full : 1; // bit 24 TOE Queue 24 Full Interrupt -+ unsigned int toe_q25_full : 1; // bit 25 TOE Queue 25 Full Interrupt -+ unsigned int toe_q26_full : 1; // bit 26 TOE Queue 26 Full Interrupt -+ unsigned int toe_q27_full : 1; // bit 27 TOE Queue 27 Full Interrupt -+ unsigned int toe_q28_full : 1; // bit 28 TOE Queue 28 Full Interrupt -+ unsigned int toe_q29_full : 1; // bit 29 TOE Queue 29 Full Interrupt -+ unsigned int toe_q30_full : 1; // bit 30 TOE Queue 30 Full Interrupt -+ unsigned int toe_q31_full : 1; // bit 31 TOE Queue 31 Full Interrupt -+ } bits; -+} INTR_REG2_T; -+ -+#define TOE_QL_FULL_INT_BIT(x) BIT(x) -+ -+/* -+ * Interrupt Status Register 3 (offset 0x0050) -+ * Interrupt Mask Register 3 (offset 0x0054) -+ * Interrupt Select Register 3 (offset 0x0058) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0050 { -+ unsigned int toe_q32_full : 1; // bit 32 TOE Queue 32 Full Interrupt -+ unsigned int toe_q33_full : 1; // bit 33 TOE Queue 33 Full Interrupt -+ unsigned int toe_q34_full : 1; // bit 34 TOE Queue 34 Full Interrupt -+ unsigned int toe_q35_full : 1; // bit 35 TOE Queue 35 Full Interrupt -+ unsigned int toe_q36_full : 1; // bit 36 TOE Queue 36 Full Interrupt -+ unsigned int toe_q37_full : 1; // bit 37 TOE Queue 37 Full Interrupt -+ unsigned int toe_q38_full : 1; // bit 38 TOE Queue 38 Full Interrupt -+ unsigned int toe_q39_full : 1; // bit 39 TOE Queue 39 Full Interrupt -+ unsigned int toe_q40_full : 1; // bit 40 TOE Queue 40 Full Interrupt -+ unsigned int toe_q41_full : 1; // bit 41 TOE Queue 41 Full Interrupt -+ unsigned int toe_q42_full : 1; // bit 42 TOE Queue 42 Full Interrupt -+ unsigned int toe_q43_full : 1; // bit 43 TOE Queue 43 Full Interrupt -+ unsigned int toe_q44_full : 1; // bit 44 TOE Queue 44 Full Interrupt -+ unsigned int toe_q45_full : 1; // bit 45 TOE Queue 45 Full Interrupt -+ unsigned int toe_q46_full : 1; // bit 46 TOE Queue 46 Full Interrupt -+ unsigned int toe_q47_full : 1; // bit 47 TOE Queue 47 Full Interrupt -+ unsigned int toe_q48_full : 1; // bit 48 TOE Queue 48 Full Interrupt -+ unsigned int toe_q49_full : 1; // bit 49 TOE Queue 49 Full Interrupt -+ unsigned int toe_q50_full : 1; // bit 50 TOE Queue 50 Full Interrupt -+ unsigned int toe_q51_full : 1; // bit 51 TOE Queue 51 Full Interrupt -+ unsigned int toe_q52_full : 1; // bit 52 TOE Queue 52 Full Interrupt -+ unsigned int toe_q53_full : 1; // bit 53 TOE Queue 53 Full Interrupt -+ unsigned int toe_q54_full : 1; // bit 54 TOE Queue 54 Full Interrupt -+ unsigned int toe_q55_full : 1; // bit 55 TOE Queue 55 Full Interrupt -+ unsigned int toe_q56_full : 1; // bit 56 TOE Queue 56 Full Interrupt -+ unsigned int toe_q57_full : 1; // bit 57 TOE Queue 57 Full Interrupt -+ unsigned int toe_q58_full : 1; // bit 58 TOE Queue 58 Full Interrupt -+ unsigned int toe_q59_full : 1; // bit 59 TOE Queue 59 Full Interrupt -+ unsigned int toe_q60_full : 1; // bit 60 TOE Queue 60 Full Interrupt -+ unsigned int toe_q61_full : 1; // bit 61 TOE Queue 61 Full Interrupt -+ unsigned int toe_q62_full : 1; // bit 62 TOE Queue 62 Full Interrupt -+ unsigned int toe_q63_full : 1; // bit 63 TOE Queue 63 Full Interrupt -+ } bits; -+} INTR_REG3_T; -+ -+#define TOE_QH_FULL_INT_BIT(x) BIT(x-32) -+ -+/* -+ * Interrupt Status Register 4 (offset 0x0060) -+ * Interrupt Mask Register 4 (offset 0x0064) -+ * Interrupt Select Register 4 (offset 0x0068) -+ */ -+typedef union { -+ unsigned char byte; -+ struct bit_0060 { -+ unsigned char status_changed : 1; // Status Changed Intr for RGMII Mode -+ unsigned char rx_overrun : 1; // GMAC Rx FIFO overrun interrupt -+ unsigned char tx_pause_off : 1; // received pause off frame interrupt -+ unsigned char rx_pause_off : 1; // received pause off frame interrupt -+ unsigned char tx_pause_on : 1; // transmit pause on frame interrupt -+ unsigned char rx_pause_on : 1; // received pause on frame interrupt -+ unsigned char cnt_full : 1; // MIB counters half full interrupt -+ unsigned char reserved : 1; // -+ } _PACKED_ bits; -+} _PACKED_ GMAC_INTR_T; -+ -+typedef union { -+ unsigned int bits32; -+ struct bit_0060_2 { -+ unsigned int swfq_empty : 1; // bit 0 Software Free Queue Empty Intr. -+ unsigned int hwfq_empty : 1; // bit 1 Hardware Free Queue Empty Intr. -+ unsigned int class_qf_int : 14; // bit 15:2 Classification Rx Queue13-0 Full Intr. -+ GMAC_INTR_T gmac0; -+ GMAC_INTR_T gmac1; -+ } bits; -+} INTR_REG4_T; -+ -+#define GMAC1_RESERVED_INT_BIT BIT(31) -+#define GMAC1_MIB_INT_BIT BIT(30) -+#define GMAC1_RX_PAUSE_ON_INT_BIT BIT(29) -+#define GMAC1_TX_PAUSE_ON_INT_BIT BIT(28) -+#define GMAC1_RX_PAUSE_OFF_INT_BIT BIT(27) -+#define GMAC1_TX_PAUSE_OFF_INT_BIT BIT(26) -+#define GMAC1_RX_OVERRUN_INT_BIT BIT(25) -+#define GMAC1_STATUS_CHANGE_INT_BIT BIT(24) -+#define GMAC0_RESERVED_INT_BIT BIT(23) -+#define GMAC0_MIB_INT_BIT BIT(22) -+#define GMAC0_RX_PAUSE_ON_INT_BIT BIT(21) -+#define GMAC0_TX_PAUSE_ON_INT_BIT BIT(20) -+#define GMAC0_RX_PAUSE_OFF_INT_BIT BIT(19) -+#define GMAC0_TX_PAUSE_OFF_INT_BIT BIT(18) -+#define GMAC0_RX_OVERRUN_INT_BIT BIT(17) -+#define GMAC0_STATUS_CHANGE_INT_BIT BIT(16) -+#define CLASS_RX_FULL_INT_BIT(x) BIT((x+2)) -+#define HWFQ_EMPTY_INT_BIT BIT(1) -+#define SWFQ_EMPTY_INT_BIT BIT(0) -+ -+#if 1 -+#define GMAC0_INT_BITS (GMAC0_MIB_INT_BIT) -+#define GMAC1_INT_BITS (GMAC1_MIB_INT_BIT) -+#else -+#define GMAC0_INT_BITS (GMAC0_RESERVED_INT_BIT | GMAC0_MIB_INT_BIT | \ -+ GMAC0_RX_PAUSE_ON_INT_BIT | GMAC0_TX_PAUSE_ON_INT_BIT | \ -+ GMAC0_RX_PAUSE_OFF_INT_BIT | GMAC0_TX_PAUSE_OFF_INT_BIT | \ -+ GMAC0_RX_OVERRUN_INT_BIT | GMAC0_STATUS_CHANGE_INT_BIT) -+#define GMAC1_INT_BITS (GMAC1_RESERVED_INT_BIT | GMAC1_MIB_INT_BIT | \ -+ GMAC1_RX_PAUSE_ON_INT_BIT | GMAC1_TX_PAUSE_ON_INT_BIT | \ -+ GMAC1_RX_PAUSE_OFF_INT_BIT | GMAC1_TX_PAUSE_OFF_INT_BIT | \ -+ GMAC1_RX_OVERRUN_INT_BIT | GMAC1_STATUS_CHANGE_INT_BIT) -+#endif -+ -+#define CLASS_RX_FULL_INT_BITS 0xfffc -+ -+/* -+ * GLOBAL_QUEUE_THRESHOLD_REG (offset 0x0070) -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_0070_2 { -+ unsigned int swfq_empty : 8; // 7:0 Software Free Queue Empty Threshold -+ unsigned int hwfq_empty : 8; // 15:8 Hardware Free Queue Empty Threshold -+ unsigned int intrq : 8; // 23:16 -+ unsigned int toe_class : 8; // 31:24 -+ } bits; -+} QUEUE_THRESHOLD_T; -+ -+ -+/* -+ * GMAC DMA Control Register -+ * GMAC0 offset 0x8000 -+ * GMAC1 offset 0xC000 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8000 { -+ unsigned int td_bus : 2; // bit 1:0 Peripheral Bus Width -+ unsigned int td_burst_size : 2; // bit 3:2 TxDMA max burst size for every AHB request -+ unsigned int td_prot : 4; // bit 7:4 TxDMA protection control -+ unsigned int rd_bus : 2; // bit 9:8 Peripheral Bus Width -+ unsigned int rd_burst_size : 2; // bit 11:10 DMA max burst size for every AHB request -+ unsigned int rd_prot : 4; // bit 15:12 DMA Protection Control -+ unsigned int rd_insert_bytes : 2; // bit 17:16 -+ unsigned int reserved : 10; // bit 27:18 -+ unsigned int drop_small_ack : 1; // bit 28 1: Drop, 0: Accept -+ unsigned int loopback : 1; // bit 29 Loopback TxDMA to RxDMA -+ unsigned int td_enable : 1; // bit 30 Tx DMA Enable -+ unsigned int rd_enable : 1; // bit 31 Rx DMA Enable -+ } bits; -+} GMAC_DMA_CTRL_T; -+ -+/* -+ * GMAC Tx Weighting Control Register 0 -+ * GMAC0 offset 0x8004 -+ * GMAC1 offset 0xC004 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8004 { -+ unsigned int hw_tq0 : 6; // bit 5:0 HW TX Queue 3 -+ unsigned int hw_tq1 : 6; // bit 11:6 HW TX Queue 2 -+ unsigned int hw_tq2 : 6; // bit 17:12 HW TX Queue 1 -+ unsigned int hw_tq3 : 6; // bit 23:18 HW TX Queue 0 -+ unsigned int reserved : 8; // bit 31:24 -+ } bits; -+} GMAC_TX_WCR0_T; /* Weighting Control Register 0 */ -+ -+/* -+ * GMAC Tx Weighting Control Register 1 -+ * GMAC0 offset 0x8008 -+ * GMAC1 offset 0xC008 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8008 { -+ unsigned int sw_tq0 : 5; // bit 4:0 SW TX Queue 0 -+ unsigned int sw_tq1 : 5; // bit 9:5 SW TX Queue 1 -+ unsigned int sw_tq2 : 5; // bit 14:10 SW TX Queue 2 -+ unsigned int sw_tq3 : 5; // bit 19:15 SW TX Queue 3 -+ unsigned int sw_tq4 : 5; // bit 24:20 SW TX Queue 4 -+ unsigned int sw_tq5 : 5; // bit 29:25 SW TX Queue 5 -+ unsigned int reserved : 2; // bit 31:30 -+ } bits; -+} GMAC_TX_WCR1_T; /* Weighting Control Register 1 */ -+ -+/* -+ * Queue Read/Write Pointer -+ * GMAC SW TX Queue 0~5 Read/Write Pointer register -+ * GMAC0 offset 0x800C ~ 0x8020 -+ * GMAC1 offset 0xC00C ~ 0xC020 -+ * GMAC HW TX Queue 0~3 Read/Write Pointer register -+ * GMAC0 offset 0x8024 ~ 0x8030 -+ * GMAC1 offset 0xC024 ~ 0xC030 -+ * -+ * see DMA_RWPTR_T structure -+ */ -+ -+/* -+ * GMAC DMA Tx First Description Address Register -+ * GMAC0 offset 0x8038 -+ * GMAC1 offset 0xC038 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8038 { -+ unsigned int reserved : 3; -+ unsigned int td_busy : 1; // bit 3 1: TxDMA busy; 0: TxDMA idle -+ unsigned int td_first_des_ptr : 28; // bit 31:4 first descriptor address -+ } bits; -+} GMAC_TXDMA_FIRST_DESC_T; -+ -+/* -+ * GMAC DMA Tx Current Description Address Register -+ * GMAC0 offset 0x803C -+ * GMAC1 offset 0xC03C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_803C { -+ unsigned int reserved : 4; -+ unsigned int td_curr_desc_ptr : 28; // bit 31:4 current descriptor address -+ } bits; -+} GMAC_TXDMA_CURR_DESC_T; -+ -+/* -+ * GMAC DMA Tx Description Word 0 Register -+ * GMAC0 offset 0x8040 -+ * GMAC1 offset 0xC040 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8040 { -+ unsigned int buffer_size : 16; // bit 15:0 Transfer size -+ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame -+ unsigned int status_tx_ok : 1; // bit 22 Tx Status, 1: Successful 0: Failed -+ unsigned int status_rvd : 6; // bit 28:23 Tx Status, Reserved bits -+ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor -+ unsigned int derr : 1; // bit 30 data error during processing this descriptor -+ unsigned int reserved : 1; // bit 31 -+ } bits; -+} GMAC_TXDESC_0_T; -+ -+/* -+ * GMAC DMA Tx Description Word 1 Register -+ * GMAC0 offset 0x8044 -+ * GMAC1 offset 0xC044 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct txdesc_word1 { -+ unsigned int byte_count : 16; // bit 15: 0 Tx Frame Byte Count -+ unsigned int mtu_enable : 1; // bit 16 TSS segmentation use MTU setting -+ unsigned int ip_chksum : 1; // bit 17 IPV4 Header Checksum Enable -+ unsigned int ipv6_enable : 1; // bit 18 IPV6 Tx Enable -+ unsigned int tcp_chksum : 1; // bit 19 TCP Checksum Enable -+ unsigned int udp_chksum : 1; // bit 20 UDP Checksum Enable -+ unsigned int bypass_tss : 1; // bit 21 -+ unsigned int ip_fixed_len : 1; // bit 22 -+ unsigned int reserved : 9; // bit 31:23 Tx Flag, Reserved -+ } bits; -+} GMAC_TXDESC_1_T; -+ -+#define TSS_IP_FIXED_LEN_BIT BIT(22) -+#define TSS_UDP_CHKSUM_BIT BIT(20) -+#define TSS_TCP_CHKSUM_BIT BIT(19) -+#define TSS_IPV6_ENABLE_BIT BIT(18) -+#define TSS_IP_CHKSUM_BIT BIT(17) -+#define TSS_MTU_ENABLE_BIT BIT(16) -+ -+/* -+ * GMAC DMA Tx Description Word 2 Register -+ * GMAC0 offset 0x8048 -+ * GMAC1 offset 0xC048 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int buf_adr; -+} GMAC_TXDESC_2_T; -+ -+/* -+ * GMAC DMA Tx Description Word 3 Register -+ * GMAC0 offset 0x804C -+ * GMAC1 offset 0xC04C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct txdesc_word3 { -+ unsigned int mtu_size : 11; // bit 10: 0 Tx Frame Byte Count -+ unsigned int reserved : 18; // bit 28:11 -+ unsigned int eofie : 1; // bit 29 End of frame interrupt enable -+ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking -+ } bits; -+} GMAC_TXDESC_3_T; -+#define SOF_EOF_BIT_MASK 0x3fffffff -+#define SOF_BIT 0x80000000 -+#define EOF_BIT 0x40000000 -+#define EOFIE_BIT BIT(29) -+#define MTU_SIZE_BIT_MASK 0x7ff -+ -+/* -+ * GMAC Tx Descriptor -+ */ -+typedef struct { -+ GMAC_TXDESC_0_T word0; -+ GMAC_TXDESC_1_T word1; -+ GMAC_TXDESC_2_T word2; -+ GMAC_TXDESC_3_T word3; -+} GMAC_TXDESC_T; -+ -+/* -+ * GMAC DMA Rx First Description Address Register -+ * GMAC0 offset 0x8058 -+ * GMAC1 offset 0xC058 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8058 { -+ unsigned int reserved : 3; // bit 2:0 -+ unsigned int rd_busy : 1; // bit 3 1-RxDMA busy; 0-RxDMA idle -+ unsigned int rd_first_des_ptr : 28; // bit 31:4 first descriptor address -+ } bits; -+} GMAC_RXDMA_FIRST_DESC_T; -+ -+/* -+ * GMAC DMA Rx Current Description Address Register -+ * GMAC0 offset 0x805C -+ * GMAC1 offset 0xC05C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_805C { -+ unsigned int reserved : 4; // bit 3:0 -+ unsigned int rd_curr_des_ptr : 28; // bit 31:4 current descriptor address -+ } bits; -+} GMAC_RXDMA_CURR_DESC_T; -+ -+/* -+ * GMAC DMA Rx Description Word 0 Register -+ * GMAC0 offset 0x8060 -+ * GMAC1 offset 0xC060 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8060 { -+ unsigned int buffer_size : 16; // bit 15:0 number of descriptors used for the current frame -+ unsigned int desc_count : 6; // bit 21:16 number of descriptors used for the current frame -+ unsigned int status : 4; // bit 24:22 Status of rx frame -+ unsigned int chksum_status : 3; // bit 28:26 Check Sum Status -+ unsigned int perr : 1; // bit 29 protocol error during processing this descriptor -+ unsigned int derr : 1; // bit 30 data error during processing this descriptor -+ unsigned int drop : 1; // bit 31 TOE/CIS Queue Full dropped packet to default queue -+ } bits; -+} GMAC_RXDESC_0_T; -+ -+#define GMAC_RXDESC_0_T_derr BIT(30) -+#define GMAC_RXDESC_0_T_perr BIT(29) -+#define GMAC_RXDESC_0_T_chksum_status(x) BIT((x+26)) -+#define GMAC_RXDESC_0_T_status(x) BIT((x+22)) -+#define GMAC_RXDESC_0_T_desc_count(x) BIT((x+16)) -+ -+#define RX_CHKSUM_IP_UDP_TCP_OK 0 -+#define RX_CHKSUM_IP_OK_ONLY 1 -+#define RX_CHKSUM_NONE 2 -+#define RX_CHKSUM_IP_ERR_UNKNOWN 4 -+#define RX_CHKSUM_IP_ERR 5 -+#define RX_CHKSUM_TCP_UDP_ERR 6 -+#define RX_CHKSUM_NUM 8 -+ -+#define RX_STATUS_GOOD_FRAME 0 -+#define RX_STATUS_TOO_LONG_GOOD_CRC 1 -+#define RX_STATUS_RUNT_FRAME 2 -+#define RX_STATUS_SFD_NOT_FOUND 3 -+#define RX_STATUS_CRC_ERROR 4 -+#define RX_STATUS_TOO_LONG_BAD_CRC 5 -+#define RX_STATUS_ALIGNMENT_ERROR 6 -+#define RX_STATUS_TOO_LONG_BAD_ALIGN 7 -+#define RX_STATUS_RX_ERR 8 -+#define RX_STATUS_DA_FILTERED 9 -+#define RX_STATUS_BUFFER_FULL 10 -+#define RX_STATUS_NUM 16 -+ -+ -+/* -+ * GMAC DMA Rx Description Word 1 Register -+ * GMAC0 offset 0x8064 -+ * GMAC1 offset 0xC064 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct rxdesc_word1 { -+ unsigned int byte_count : 16; // bit 15: 0 Rx Frame Byte Count -+ unsigned int sw_id : 16; // bit 31:16 Software ID -+ } bits; -+} GMAC_RXDESC_1_T; -+ -+/* -+ * GMAC DMA Rx Description Word 2 Register -+ * GMAC0 offset 0x8068 -+ * GMAC1 offset 0xC068 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int buf_adr; -+} GMAC_RXDESC_2_T; -+ -+#define RX_INSERT_NONE 0 -+#define RX_INSERT_1_BYTE 1 -+#define RX_INSERT_2_BYTE 2 -+#define RX_INSERT_3_BYTE 3 -+ -+#define RX_INSERT_BYTES RX_INSERT_2_BYTE -+/* -+ * GMAC DMA Rx Description Word 3 Register -+ * GMAC0 offset 0x806C -+ * GMAC1 offset 0xC06C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct rxdesc_word3 { -+ unsigned int l3_offset : 8; // bit 7: 0 L3 data offset -+ unsigned int l4_offset : 8; // bit 15: 8 L4 data offset -+ unsigned int l7_offset : 8; // bit 23: 16 L7 data offset -+ unsigned int dup_ack : 1; // bit 24 Duplicated ACK detected -+ unsigned int abnormal : 1; // bit 25 abnormal case found -+ unsigned int option : 1; // bit 26 IPV4 option or IPV6 extension header -+ unsigned int out_of_seq : 1; // bit 27 Out of Sequence packet -+ unsigned int ctrl_flag : 1; // bit 28 Control Flag is present -+ unsigned int eofie : 1; // bit 29 End of frame interrupt enable -+ unsigned int sof_eof : 2; // bit 31:30 11: only one, 10: first, 01: last, 00: linking -+ } bits; -+} GMAC_RXDESC_3_T; -+ -+/* -+ * GMAC Rx Descriptor -+ */ -+typedef struct { -+ GMAC_RXDESC_0_T word0; -+ GMAC_RXDESC_1_T word1; -+ GMAC_RXDESC_2_T word2; -+ GMAC_RXDESC_3_T word3; -+} GMAC_RXDESC_T; -+ -+/* -+ * GMAC Hash Engine Enable/Action Register 0 Offset Register -+ * GMAC0 offset 0x8070 -+ * GMAC1 offset 0xC070 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8070 { -+ unsigned int mr0hel : 6; // bit 5:0 match rule 0 hash entry size -+ unsigned int mr0_action : 5; // bit 10:6 Matching Rule 0 action offset -+ unsigned int reserved0 : 4; // bit 14:11 -+ unsigned int mr0en : 1; // bit 15 Enable Matching Rule 0 -+ unsigned int mr1hel : 6; // bit 21:16 match rule 1 hash entry size -+ unsigned int mr1_action : 5; // bit 26:22 Matching Rule 1 action offset -+ unsigned int timing : 3; // bit 29:27 -+ unsigned int reserved1 : 1; // bit 30 -+ unsigned int mr1en : 1; // bit 31 Enable Matching Rule 1 -+ } bits; -+} GMAC_HASH_ENABLE_REG0_T; -+ -+/* -+ * GMAC Hash Engine Enable/Action Register 1 Offset Register -+ * GMAC0 offset 0x8074 -+ * GMAC1 offset 0xC074 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8074 { -+ unsigned int mr2hel : 6; // bit 5:0 match rule 2 hash entry size -+ unsigned int mr2_action : 5; // bit 10:6 Matching Rule 2 action offset -+ unsigned int reserved2 : 4; // bit 14:11 -+ unsigned int mr2en : 1; // bit 15 Enable Matching Rule 2 -+ unsigned int mr3hel : 6; // bit 21:16 match rule 3 hash entry size -+ unsigned int mr3_action : 5; // bit 26:22 Matching Rule 3 action offset -+ unsigned int reserved1 : 4; // bit 30:27 -+ unsigned int mr3en : 1; // bit 31 Enable Matching Rule 3 -+ } bits; -+} GMAC_HASH_ENABLE_REG1_T; -+ -+/* -+ * GMAC Matching Rule Control Register 0 -+ * GMAC0 offset 0x8078 -+ * GMAC1 offset 0xC078 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8078 { -+ unsigned int sprx : 8; // bit 7:0 Support Protocol Register 7:0 -+ unsigned int reserved2 : 4; // bit 11:8 -+ unsigned int tos_traffic : 1; // bit 12 IPV4 TOS or IPV6 Traffice Class -+ unsigned int flow_lable : 1; // bit 13 IPV6 Flow label -+ unsigned int ip_hdr_len : 1; // bit 14 IPV4 Header length -+ unsigned int ip_version : 1; // bit 15 0: IPV4, 1: IPV6 -+ unsigned int reserved1 : 3; // bit 18:16 -+ unsigned int pppoe : 1; // bit 19 PPPoE Session ID enable -+ unsigned int vlan : 1; // bit 20 VLAN ID enable -+ unsigned int ether_type : 1; // bit 21 Ethernet type enable -+ unsigned int sa : 1; // bit 22 MAC SA enable -+ unsigned int da : 1; // bit 23 MAC DA enable -+ unsigned int priority : 3; // bit 26:24 priority if multi-rules matched -+ unsigned int port : 1; // bit 27 PORT ID matching enable -+ unsigned int l7 : 1; // bit 28 L7 matching enable -+ unsigned int l4 : 1; // bit 29 L4 matching enable -+ unsigned int l3 : 1; // bit 30 L3 matching enable -+ unsigned int l2 : 1; // bit 31 L2 matching enable -+ } bits; -+} GMAC_MRxCR0_T; -+ -+#define MR_L2_BIT BIT(31) -+#define MR_L3_BIT BIT(30) -+#define MR_L4_BIT BIT(29) -+#define MR_L7_BIT BIT(28) -+#define MR_PORT_BIT BIT(27) -+#define MR_PRIORITY_BIT BIT(26) -+#define MR_DA_BIT BIT(23) -+#define MR_SA_BIT BIT(22) -+#define MR_ETHER_TYPE_BIT BIT(21) -+#define MR_VLAN_BIT BIT(20) -+#define MR_PPPOE_BIT BIT(19) -+#define MR_IP_VER_BIT BIT(15) -+#define MR_IP_HDR_LEN_BIT BIT(14) -+#define MR_FLOW_LABLE_BIT BIT(13) -+#define MR_TOS_TRAFFIC_BIT BIT(12) -+#define MR_SPR_BIT(x) BIT(x) -+#define MR_SPR_BITS 0xff -+ -+/* -+ * GMAC Matching Rule Control Register 1 -+ * GMAC0 offset 0x807C -+ * GMAC1 offset 0xC07C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_807C { -+ unsigned int l4_byte0_15 : 16; // bit 15: 0 -+ unsigned int dip_netmask : 7; // bit 22:16 Dest IP net mask, number of mask bits -+ unsigned int dip : 1; // bit 23 Dest IP -+ unsigned int sip_netmask : 7; // bit 30:24 Srce IP net mask, number of mask bits -+ unsigned int sip : 1; // bit 31 Srce IP -+ } bits; -+} GMAC_MRxCR1_T; -+ -+/* -+ * GMAC Matching Rule Control Register 2 -+ * GMAC0 offset 0x8080 -+ * GMAC1 offset 0xC080 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_8080 { -+ unsigned int l7_byte0_23 : 24; // bit 23:0 -+ unsigned int l4_byte16_24 : 8; // bit 31: 24 -+ } bits; -+} GMAC_MRxCR2_T; -+ -+/* -+ * GMAC Support registers -+ * GMAC0 offset 0x80A8 -+ * GMAC1 offset 0xC0A8 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_80A8 { -+ unsigned int protocol : 8; // bit 7:0 Supported protocol -+ unsigned int swap : 3; // bit 10:8 Swap -+ unsigned int reserved : 21; // bit 31:11 -+ } bits; -+} GMAC_SPR_T; -+ -+/* -+ * GMAC_AHB_WEIGHT registers -+ * GMAC0 offset 0x80C8 -+ * GMAC1 offset 0xC0C8 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_80C8 { -+ unsigned int hash_weight : 5; // 4:0 -+ unsigned int rx_weight : 5; // 9:5 -+ unsigned int tx_weight : 5; // 14:10 -+ unsigned int pre_req : 5; // 19:15 Rx Data Pre Request FIFO Threshold -+ unsigned int tqDV_threshold : 5; // 24:20 DMA TqCtrl to Start tqDV FIFO Threshold -+ unsigned int reserved : 7; // 31:25 -+ } bits; -+} GMAC_AHB_WEIGHT_T; -+ -+/* -+ * the register structure of GMAC -+ */ -+ -+/* -+ * GMAC RX FLTR -+ * GMAC0 Offset 0xA00C -+ * GMAC1 Offset 0xE00C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_000c { -+ unsigned int unicast : 1; /* enable receive of unicast frames that are sent to STA address */ -+ unsigned int multicast : 1; /* enable receive of multicast frames that pass multicast filter */ -+ unsigned int broadcast : 1; /* enable receive of broadcast frames */ -+ unsigned int promiscuous : 1; /* enable receive of all frames */ -+ unsigned int error : 1; /* enable receive of all error frames */ -+ unsigned int : 27; -+ } bits; -+} GMAC_RX_FLTR_T; -+ -+/* -+ * GMAC Configuration 0 -+ * GMAC0 Offset 0xA018 -+ * GMAC1 Offset 0xE018 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_0018 { -+ unsigned int dis_tx : 1; /* 0: disable transmit */ -+ unsigned int dis_rx : 1; /* 1: disable receive */ -+ unsigned int loop_back : 1; /* 2: transmit data loopback enable */ -+ unsigned int flow_ctrl : 1; /* 3: flow control also trigged by Rx queues */ -+ unsigned int adj_ifg : 4; /* 4-7: adjust IFG from 96+/-56 */ -+ unsigned int max_len : 3; /* 8-10 maximum receive frame length allowed */ -+ unsigned int dis_bkoff : 1; /* 11: disable back-off function */ -+ unsigned int dis_col : 1; /* 12: disable 16 collisions abort function */ -+ unsigned int sim_test : 1; /* 13: speed up timers in simulation */ -+ unsigned int rx_fc_en : 1; /* 14: RX flow control enable */ -+ unsigned int tx_fc_en : 1; /* 15: TX flow control enable */ -+ unsigned int rgmii_en : 1; /* 16: RGMII in-band status enable */ -+ unsigned int ipv4_rx_chksum : 1; /* 17: IPv4 RX Checksum enable */ -+ unsigned int ipv6_rx_chksum : 1; /* 18: IPv6 RX Checksum enable */ -+ unsigned int rx_tag_remove : 1; /* 19: Remove Rx VLAN tag */ -+ unsigned int rgmm_edge : 1; // 20 -+ unsigned int rxc_inv : 1; // 21 -+ unsigned int ipv6_exthdr_order : 1; // 22 -+ unsigned int rx_err_detect : 1; // 23 -+ unsigned int port0_chk_hwq : 1; // 24 -+ unsigned int port1_chk_hwq : 1; // 25 -+ unsigned int port0_chk_toeq : 1; // 26 -+ unsigned int port1_chk_toeq : 1; // 27 -+ unsigned int port0_chk_classq : 1; // 28 -+ unsigned int port1_chk_classq : 1; // 29 -+ unsigned int reserved : 2; // 31 -+ } bits; -+} GMAC_CONFIG0_T; -+ -+/* -+ * GMAC Configuration 1 -+ * GMAC0 Offset 0xA01C -+ * GMAC1 Offset 0xE01C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_001c { -+ unsigned int set_threshold : 8; /* flow control set threshold */ -+ unsigned int rel_threshold : 8; /* flow control release threshold */ -+ unsigned int reserved : 16; -+ } bits; -+} GMAC_CONFIG1_T; -+ -+#define GMAC_FLOWCTRL_SET_MAX 32 -+#define GMAC_FLOWCTRL_SET_MIN 0 -+#define GMAC_FLOWCTRL_RELEASE_MAX 32 -+#define GMAC_FLOWCTRL_RELEASE_MIN 0 -+ -+/* -+ * GMAC Configuration 2 -+ * GMAC0 Offset 0xA020 -+ * GMAC1 Offset 0xE020 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_0020 { -+ unsigned int set_threshold : 16; /* flow control set threshold */ -+ unsigned int rel_threshold : 16; /* flow control release threshold */ -+ } bits; -+} GMAC_CONFIG2_T; -+ -+/* -+ * GMAC Configuration 3 -+ * GMAC0 Offset 0xA024 -+ * GMAC1 Offset 0xE024 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_0024 { -+ unsigned int set_threshold : 16; /* flow control set threshold */ -+ unsigned int rel_threshold : 16; /* flow control release threshold */ -+ } bits; -+} GMAC_CONFIG3_T; -+ -+ -+/* -+ * GMAC STATUS -+ * GMAC0 Offset 0xA02C -+ * GMAC1 Offset 0xE02C -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit1_002c { -+ unsigned int link : 1; /* link status */ -+ unsigned int speed : 2; /* link speed(00->2.5M 01->25M 10->125M) */ -+ unsigned int duplex : 1; /* duplex mode */ -+ unsigned int reserved : 1; -+ unsigned int mii_rmii : 2; /* PHY interface type */ -+ unsigned int : 25; -+ } bits; -+} GMAC_STATUS_T; -+ -+#define GMAC_SPEED_10 0 -+#define GMAC_SPEED_100 1 -+#define GMAC_SPEED_1000 2 -+ -+#define GMAC_PHY_MII 0 -+#define GMAC_PHY_GMII 1 -+#define GMAC_PHY_RGMII_100_10 2 -+#define GMAC_PHY_RGMII_1000 3 -+ -+/* -+ * Queue Header -+ * (1) TOE Queue Header -+ * (2) Non-TOE Queue Header -+ * (3) Interrupt Queue Header -+ * -+ * memory Layout -+ * TOE Queue Header -+ * 0x60003000 +---------------------------+ 0x0000 -+ * | TOE Queue 0 Header | -+ * | 8 * 4 Bytes | -+ * +---------------------------+ 0x0020 -+ * | TOE Queue 1 Header | -+ * | 8 * 4 Bytes | -+ * +---------------------------+ 0x0040 -+ * | ...... | -+ * | | -+ * +---------------------------+ -+ * -+ * Non TOE Queue Header -+ * 0x60002000 +---------------------------+ 0x0000 -+ * | Default Queue 0 Header | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ 0x0008 -+ * | Default Queue 1 Header | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ 0x0010 -+ * | Classification Queue 0 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ -+ * | Classification Queue 1 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ (n * 8 + 0x10) -+ * | ... | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ (13 * 8 + 0x10) -+ * | Classification Queue 13 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ 0x80 -+ * | Interrupt Queue 0 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ -+ * | Interrupt Queue 1 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ -+ * | Interrupt Queue 2 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ -+ * | Interrupt Queue 3 | -+ * | 2 * 4 Bytes | -+ * +---------------------------+ -+ * -+ */ -+#define TOE_QUEUE_HDR_ADDR(n) (TOE_TOE_QUE_HDR_BASE + n * 32) -+#define TOE_Q_HDR_AREA_END (TOE_QUEUE_HDR_ADDR(TOE_TOE_QUEUE_MAX + 1)) -+#define TOE_DEFAULT_Q_HDR_BASE(x) (TOE_NONTOE_QUE_HDR_BASE + 0x08 * (x)) -+#define TOE_CLASS_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x10) -+#define TOE_INTR_Q_HDR_BASE (TOE_NONTOE_QUE_HDR_BASE + 0x80) -+#define INTERRUPT_QUEUE_HDR_ADDR(n) (TOE_INTR_Q_HDR_BASE + n * 8) -+#define NONTOE_Q_HDR_AREA_END (INTERRUPT_QUEUE_HDR_ADDR(TOE_INTR_QUEUE_MAX + 1)) -+/* -+ * TOE Queue Header Word 0 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int base_size; -+} TOE_QHDR0_T; -+ -+#define TOE_QHDR0_BASE_MASK (~0x0f) -+ -+/* -+ * TOE Queue Header Word 1 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr1 { -+ unsigned int rptr : 16; // bit 15:0 -+ unsigned int wptr : 16; // bit 31:16 -+ } bits; -+} TOE_QHDR1_T; -+ -+/* -+ * TOE Queue Header Word 2 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr2 { -+ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size -+ unsigned int reserved : 7; // bit 23:17 -+ unsigned int dack : 1; // bit 24 1: Duplicated ACK -+ unsigned int abn : 1; // bit 25 1: Abnormal case Found -+ unsigned int tcp_opt : 1; // bit 26 1: Have TCP option -+ unsigned int ip_opt : 1; // bit 27 1: have IPV4 option or IPV6 Extension header -+ unsigned int sat : 1; // bit 28 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold -+ unsigned int osq : 1; // bit 29 1: out of sequence -+ unsigned int ctl : 1; // bit 30 1: have control flag bits (except ack) -+ unsigned int usd : 1; // bit 31 0: if no data assembled yet -+ } bits; -+} TOE_QHDR2_T; -+ -+/* -+ * TOE Queue Header Word 3 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int seq_num; -+} TOE_QHDR3_T; -+ -+/* -+ * TOE Queue Header Word 4 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int ack_num; -+} TOE_QHDR4_T; -+ -+/* -+ * TOE Queue Header Word 5 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr5 { -+ unsigned int AckCnt : 16; // bit 15:0 -+ unsigned int SeqCnt : 16; // bit 31:16 -+ } bits; -+} TOE_QHDR5_T; -+ -+/* -+ * TOE Queue Header Word 6 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr6 { -+ unsigned int WinSize : 16; // bit 15:0 -+ unsigned int iq_num : 2; // bit 17:16 -+ unsigned int MaxPktSize : 14; // bit 31:18 -+ } bits; -+} TOE_QHDR6_T; -+ -+/* -+ * TOE Queue Header Word 7 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_qhdr7 { -+ unsigned int AckThreshold : 16; // bit 15:0 -+ unsigned int SeqThreshold : 16; // bit 31:16 -+ } bits; -+} TOE_QHDR7_T; -+ -+/* -+ * TOE Queue Header -+ */ -+typedef struct { -+ TOE_QHDR0_T word0; -+ TOE_QHDR1_T word1; -+ TOE_QHDR2_T word2; -+ TOE_QHDR3_T word3; -+ TOE_QHDR4_T word4; -+ TOE_QHDR5_T word5; -+ TOE_QHDR6_T word6; -+ TOE_QHDR7_T word7; -+} TOE_QHDR_T; -+ -+/* -+ * NONTOE Queue Header Word 0 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int base_size; -+} NONTOE_QHDR0_T; -+ -+#define NONTOE_QHDR0_BASE_MASK (~0x0f) -+ -+/* -+ * NONTOE Queue Header Word 1 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_nonqhdr1 { -+ unsigned int rptr : 16; // bit 15:0 -+ unsigned int wptr : 16; // bit 31:16 -+ } bits; -+} NONTOE_QHDR1_T; -+ -+/* -+ * Non-TOE Queue Header -+ */ -+typedef struct { -+ NONTOE_QHDR0_T word0; -+ NONTOE_QHDR1_T word1; -+} NONTOE_QHDR_T; -+ -+/* -+ * Interrupt Queue Header Word 0 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_intrqhdr0 { -+ unsigned int win_size : 16; // bit 15:0 Descriptor Ring Size -+ unsigned int wptr : 16; // bit 31:16 Write Pointer where hw stopped -+ } bits; -+} INTR_QHDR0_T; -+ -+/* -+ * Interrupt Queue Header Word 1 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_intrqhdr1 { -+ unsigned int TotalPktSize : 17; // bit 16: 0 Total packet size -+ unsigned int tcp_qid : 8; // bit 24:17 TCP Queue ID -+ unsigned int dack : 1; // bit 25 1: Duplicated ACK -+ unsigned int abn : 1; // bit 26 1: Abnormal case Found -+ unsigned int tcp_opt : 1; // bit 27 1: Have TCP option -+ unsigned int ip_opt : 1; // bit 28 1: have IPV4 option or IPV6 Extension header -+ unsigned int sat : 1; // bit 29 1: SeqCnt > SeqThreshold, or AckCnt > AckThreshold -+ unsigned int osq : 1; // bit 30 1: out of sequence -+ unsigned int ctl : 1; // bit 31 1: have control flag bits (except ack) -+ } bits; -+} INTR_QHDR1_T; -+ -+/* -+ * Interrupt Queue Header Word 2 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int seq_num; -+} INTR_QHDR2_T; -+ -+/* -+ * Interrupt Queue Header Word 3 -+ */ -+typedef union { -+ unsigned int bits32; -+ unsigned int ack_num; -+} INTR_QHDR3_T; -+ -+/* -+ * Interrupt Queue Header Word 4 -+ */ -+typedef union { -+ unsigned int bits32; -+ struct bit_intrqhdr4 { -+ unsigned int AckCnt : 16; // bit 15:0 Ack# change since last ack# intr. -+ unsigned int SeqCnt : 16; // bit 31:16 Seq# change since last seq# intr. -+ } bits; -+} INTR_QHDR4_T; -+ -+/* -+ * Interrupt Queue Header -+ */ -+typedef struct { -+ INTR_QHDR0_T word0; -+ INTR_QHDR1_T word1; -+ INTR_QHDR2_T word2; -+ INTR_QHDR3_T word3; -+ INTR_QHDR4_T word4; -+ unsigned int word5; -+ unsigned int word6; -+ unsigned int word7; -+} INTR_QHDR_T; -+ -+/* -+ * GMAC private data -+ */ -+typedef struct { -+ unsigned int rwptr_reg; -+ unsigned int desc_base; -+ unsigned int desc_base_dma; -+ unsigned short finished_idx; -+ struct sk_buff *tx_skb[TOE_GMAC_SWTXQ_DESC_NUM]; -+} GMAC_SWTXQ_T; -+ -+struct gmac_private { -+ struct phy_device *phydev; -+ unsigned int port_id; -+ unsigned int dma_base_addr; -+ unsigned int swtxq_desc_base; -+ GMAC_SWTXQ_T swtxq[TOE_SW_TXQ_NUM]; -+ NONTOE_QHDR_T *default_qhdr; -+ unsigned int default_desc_base; -+ dma_addr_t default_desc_base_dma; -+ dma_addr_t swtxq_desc_base_dma; -+ unsigned int flow_control_enable; -+ unsigned int intr0_enabled; -+ unsigned int intr1_enabled; -+ unsigned int intr2_enabled; -+ unsigned int intr3_enabled; -+ unsigned int intr4_enabled; -+ unsigned int intr0_selected; -+ unsigned int intr1_selected; -+ unsigned int intr2_selected; -+ unsigned int intr3_selected; -+ unsigned int intr4_selected; -+}; -+ -+struct toe_private { -+ void __iomem *global_base; -+ struct net_device *net_dev[2]; -+ struct device *dev; -+ struct work_struct freq_work; -+ spinlock_t freeq_lock; -+ unsigned int swfq_desc_base; -+ unsigned int hwfq_desc_base; -+ unsigned int hwfq_buf_base; -+ dma_addr_t sw_freeq_desc_base_dma; -+ dma_addr_t hw_freeq_desc_base_dma; -+ dma_addr_t hwfq_buf_base_dma; -+ dma_addr_t hwfq_buf_end_dma; -+}; -+ -+#define GMAC_PORT0 0 -+#define GMAC_PORT1 1 -+ -+#endif /* _GMAC_SL351x_H */ ---- /dev/null -+++ b/drivers/net/gemini_negmac/Makefile -@@ -0,0 +1,3 @@ -+obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o -+ -+gemini_negmac-objs := gm_gmac.o ---- a/drivers/net/Kconfig -+++ b/drivers/net/Kconfig -@@ -103,6 +103,13 @@ config NET_FC - adaptor below. You also should have said Y to "SCSI support" and - "SCSI generic support". - -+config GEMINI_NET_ENGINE_GMAC -+ tristate "Gemini Gigabit Ethernet support" -+ depends on ARCH_GEMINI -+ select PHYLIB -+ help -+ This driver supports Gemini TOE and NAT dual Gigabit Ethernet. -+ - config MII - tristate "Generic Media Independent Interface device support" - help ---- a/drivers/net/Makefile -+++ b/drivers/net/Makefile -@@ -33,6 +33,7 @@ obj-$(CONFIG_ETRAX_ETHERNET) += cris/ - obj-$(CONFIG_NET_DSA) += dsa/ - obj-$(CONFIG_ETHERNET) += ethernet/ - obj-$(CONFIG_FDDI) += fddi/ -+obj-$(CONFIG_GEMINI_NET_ENGINE_GMAC) += gemini_negmac/ - obj-$(CONFIG_HIPPI) += hippi/ - obj-$(CONFIG_HAMRADIO) += hamradio/ - obj-$(CONFIG_IRDA) += irda/ |