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, 2901 insertions, 0 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 new file mode 100644 index 000000000..67eedbfd8 --- /dev/null +++ b/target/linux/gemini/patches-3.3/120-net-add-gemini-gmac-driver.patch @@ -0,0 +1,2901 @@ +--- /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/ |