--- /dev/null
+--- /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 +1,1359 @@
++/*
++ * 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;
++ void __iomem *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(gmac->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, gmac->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, gmac->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, gmac->base_addr + GMAC_CONFIG2);
++
++ /* disable TX/RX and disable internal loop back */
++ config0.bits32 = __raw_readl(gmac->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, gmac->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(gmac->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, gmac->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)
++{
++ struct gmac_private *gmac = netdev_priv(dev);
++ GMAC_CONFIG0_T config0;
++
++ /* enable TX/RX */
++ config0.bits32 = __raw_readl(gmac->base_addr + GMAC_CONFIG0);
++ config0.bits.dis_rx = 0; /* enable rx */
++ config0.bits.dis_tx = 0; /* enable tx */
++ __raw_writel(config0.bits32, gmac->base_addr + GMAC_CONFIG0);
++}
++
++static void toe_gmac_disable_tx_rx(struct net_device *dev)
++{
++ struct gmac_private *gmac = netdev_priv(dev);
++ GMAC_CONFIG0_T config0;
++
++ /* enable TX/RX */
++ config0.bits32 = __raw_readl(gmac->base_addr + GMAC_CONFIG0);
++ config0.bits.dis_rx = 1; /* disable rx */
++ config0.bits.dis_tx = 1; /* disable tx */
++ __raw_writel(config0.bits32, gmac->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) {
++ dma_addr_t 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 = (unsigned long)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)
++{
++ struct gmac_private *gmac = netdev_priv(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, gmac->base_addr + GMAC_STA_ADD0);
++ reg_val = (__raw_readl(gmac->base_addr + GMAC_STA_ADD1) & 0xFFFF0000) +
++ dev->dev_addr[4] + (dev->dev_addr[5] << 8);
++ __raw_writel(reg_val, gmac->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)
++{
++ struct gmac_private *gmac = netdev_priv(dev);
++ unsigned int reg_val;
++
++ reg_val = __raw_readl(gmac->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(gmac->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)
++{
++ struct gmac_private *gmac = netdev_priv(dev);
++
++ if (netif_running(dev)) {
++ unsigned short multicast;
++
++ multicast = __raw_readw(gmac->base_addr + GMAC_IN_MCAST) +
++ __raw_readw(gmac->base_addr + GMAC_IN_BCAST);
++
++ dev->stats.rx_dropped += __raw_readw(gmac->base_addr + GMAC_IN_DISCARDS);
++ dev->stats.rx_errors += __raw_readw(gmac->base_addr + GMAC_IN_ERRORS);
++ dev->stats.rx_packets += __raw_readl(gmac->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(gmac->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(gmac->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, gmac->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(gmac->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, gmac->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, gmac->base_addr + GMAC_STATUS);
++ if (status.bits.link)
++ toe_gmac_enable_tx_rx(dev);
++ }
++}
++
++static void gmac_set_rx_mode(struct net_device *dev)
++{
++ struct gmac_private *gmac = netdev_priv(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, gmac->base_addr + GMAC_RX_FLTR);
++ __raw_writel(mc_filter[0], gmac->base_addr + GMAC_MCAST_FIL0);
++ __raw_writel(mc_filter[1], gmac->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 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 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->base_addr = toe->global_base + TOE_GMAC_BASE(num);
++ gmac->dma_base_addr = toe->global_base + TOE_GMAC_DMA_BASE(num);
++ gmac->port_id = num;
++
++ dev->base_addr = (unsigned int) gmac->base_addr;
++ 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, gmac->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 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 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 = 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 +1,1489 @@
++/*
++ * 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 {
++ void __iomem *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;
++ void __iomem *base_addr;
++ void __iomem *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-$(CONFIG_GEMINI_NET_ENGINE_GMAC)+= gemini_negmac.o
++
++gemini_negmac-objs := gm_gmac.o
+--- a/drivers/net/Kconfig
++++ b/drivers/net/Kconfig
+@@ -100,6 +100,13 @@ config NET_FC
+ adaptor below. You also should have said Y to "SCSI support" and
+ "SCSI generic support".
+
++config GEMINI_NET_ENGINE_GMAC
++ tristate "Gemini Gigabit Ethernet support"
++ depends on ARCH_GEMINI
++ select PHYLIB
++ help
++ This driver supports Gemini TOE and NAT dual Gigabit Ethernet.
++
+ config MII
+ tristate "Generic Media Independent Interface device support"
+ help
+--- a/drivers/net/Makefile
++++ b/drivers/net/Makefile
+@@ -34,6 +34,7 @@ obj-$(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/
--- /dev/null
+--- /dev/null
++++ b/drivers/usb/host/ehci-fotg2xx.c
+@@ -0,0 +1,465 @@
++/*
++ * EHCI Host Controller driver
++ *
++ * Copyright (C) 2006 Sony Computer Entertainment Inc.
++ * Copyright 2006 Sony Corp.
++ *
++ * 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; version 2 of the License.
++ */
++
++#include <linux/platform_device.h>
++#include <mach/hardware.h>
++
++#define otg_set(port, bits) writel(readl(hcd->regs + port) | bits, hcd->regs + port)
++
++#define otg_clear(port, bits) writel(readl(hcd->regs + port) & ~bits, hcd->regs + port)
++
++#define GLOBAL_ISR 0xC0
++#define GLOBAL_ICR 0xC4
++
++#define HCD_MISC 0x40
++
++#define OTGC_SCR 0x80
++#define OTGC_INT_EN 0x88
++
++#define GLOBAL_INT_POLARITY (1 << 3)
++#define GLOBAL_INT_MASK_HC (1 << 2)
++#define GLOBAL_INT_MASK_OTG (1 << 1)
++#define GLOBAL_INT_MASK_DEV (1 << 0)
++
++#define OTGC_SCR_ID (1 << 21)
++#define OTGC_SCR_CROLE (1 << 20)
++#define OTGC_SCR_VBUS_VLD (1 << 19)
++#define OTGC_SCR_A_SRP_RESP_TYPE (1 << 8)
++#define OTGC_SCR_A_SRP_DET_EN (1 << 7)
++#define OTGC_SCR_A_SET_B_HNP_EN (1 << 6)
++#define OTGC_SCR_A_BUS_DROP (1 << 5)
++#define OTGC_SCR_A_BUS_REQ (1 << 4)
++
++#define OTGC_INT_APLGRMV (1 << 12)
++#define OTGC_INT_BPLGRMV (1 << 11)
++#define OTGC_INT_OVC (1 << 10)
++#define OTGC_INT_IDCHG (1 << 9)
++#define OTGC_INT_RLCHG (1 << 8)
++#define OTGC_INT_AVBUSERR (1 << 5)
++#define OTGC_INT_ASRPDET (1 << 4)
++#define OTGC_INT_BSRPDN (1 << 0)
++
++#define OTGC_INT_A_TYPE (OTGC_INT_ASRPDET|OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG|OTGC_INT_APLGRMV)
++#define OTGC_INT_B_TYPE (OTGC_INT_AVBUSERR|OTGC_INT_OVC|OTGC_INT_RLCHG|OTGC_INT_IDCHG)
++
++static void fotg2xx_otgc_role_change(struct usb_hcd *hcd);
++
++static void fotg2xx_otgc_init(struct usb_hcd *hcd)
++{
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++ unsigned int reg;
++
++ reg = __raw_readl(hcd->regs + OTGC_SCR);
++ ehci_info(ehci, "role detected: %s, ",
++ (reg & OTGC_SCR_CROLE) ? "Peripheral" : "Host");
++
++ if (reg & OTGC_SCR_ID)
++ ehci_info(ehci, "B-Device (may be unsupported!)\n");
++ else
++ ehci_info(ehci, "A-Device\n");
++
++ /* Enable the SRP detect */
++ reg &= ~OTGC_SCR_A_SRP_RESP_TYPE;
++ __raw_writel(reg, hcd->regs + OTGC_SCR);
++
++ reg = __raw_readl(hcd->regs + OTGC_INT_EN);
++ /* clear INT B: bits AVBUSERR | OVC | RLCHG | IDCHG */
++ reg &= ~OTGC_INT_B_TYPE;
++ /* set INT A: bits ASRPDET | AVBUSERR | OVC | RLCHG | IDCHG | APLGRMV */
++ reg |= OTGC_INT_A_TYPE;
++ __raw_writel(reg, hcd->regs + OTGC_INT_EN);
++
++ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
++ reg &= ~GLOBAL_INT_MASK_OTG;
++ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
++
++ /* setup MISC register, fixes timing problems */
++ reg = __raw_readl(hcd->regs + HCD_MISC);
++ reg |= 0xD;
++ __raw_writel(reg, hcd->regs + HCD_MISC);
++
++ fotg2xx_otgc_role_change(hcd);
++}
++
++static void fotg2xx_otgh_close(struct usb_hcd *hcd)
++{
++ unsigned int reg;
++
++ /* <1>.Enable Interrupt Mask */
++ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
++ reg |= GLOBAL_INT_MASK_HC;
++ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
++
++ /* <2>.Clear the Interrupt status */
++ reg = __raw_readl(hcd->regs + 0x18);
++ reg &= 0x0000003F;
++ __raw_writel(reg, hcd->regs + 0x14);
++}
++
++static void fotg2xx_otgh_open(struct usb_hcd *hcd)
++{
++ unsigned int reg;
++
++ reg = __raw_readl(hcd->regs + OTGC_SCR);
++ reg &= ~OTGC_SCR_A_SRP_DET_EN;
++ __raw_writel(reg, hcd->regs + OTGC_SCR);
++
++ reg = __raw_readl(hcd->regs + GLOBAL_ICR);
++ reg &= ~GLOBAL_INT_MASK_HC;
++ __raw_writel(reg, hcd->regs + GLOBAL_ICR);
++}
++
++/* change to host role */
++static void fotg2xx_otgc_role_change(struct usb_hcd *hcd)
++{
++
++ /* clear A_SET_B_HNP_EN */
++ otg_clear(0x80, BIT(6));
++
++ /*** Enable VBUS driving */
++ if (readl(hcd->regs + 0x80) & BIT(19))
++ printk(KERN_INFO "VBUS already enabled\n");
++ else {
++ int cnt = 0;
++
++ /* clear A_BUS_DROP */
++ otg_clear(0x80, BIT(5));
++
++ /* set A_BUS_REQ */
++ otg_set(0x80, BIT(4));
++
++ /* set global bus reg to VBUS on */
++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) | ((BIT(21)|BIT(22))),
++ IO_ADDRESS(0x40000000) + 0x30);
++
++ if (readl(hcd->regs + 0x80) & (1<<19)) {
++ printk(KERN_INFO "Waiting for VBus");
++ while (!(readl(hcd->regs + 0x80) & (1<<19)) && (cnt < 80)) {
++ printk(KERN_CONT ".");
++ cnt++;
++ }
++ printk(KERN_CONT "\n");
++ } else
++ printk(KERN_INFO "VBUS enabled.\n");
++
++ mdelay(1);
++ }
++ fotg2xx_otgh_open(hcd);
++}
++
++static int fotg2xx_ehci_hc_reset(struct usb_hcd *hcd)
++{
++ int result;
++ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
++
++ ehci->caps = hcd->regs;
++ ehci->regs = hcd->regs + HC_LENGTH(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
++
++ dbg_hcs_params(ehci, "reset");
++ dbg_hcc_params(ehci, "reset");
++
++ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
++ hcd->has_tt = 1;
++
++ result = ehci_halt(ehci);
++ if (result)
++ return result;
++
++ result = ehci_init(hcd);
++ if (result)
++ return result;
++
++ ehci_port_power(ehci, 0);
++
++ return result;
++}
++
++/*
++ * Name: OTGC_INT_ISR
++ * Description:This interrupt service routine belongs to the OTG-Controller
++ * <1>.Check for ID_Change
++ * <2>.Check for RL_Change
++ * <3>.Error Detect
++ * Input: wINTStatus
++ * Output:void
++ */
++void fotg2xx_int_isr(struct usb_hcd *hcd, u32 wINTStatus)
++{
++ /* <1>.Check for ID_Change */
++ if (wINTStatus&OTGC_INT_IDCHG) {
++ if ((readl(hcd->regs + 0x80) & BIT(21)) != 0)
++ fotg2xx_otgc_init(hcd); /* Change to B Type */
++ else
++ fotg2xx_otgc_init(hcd); /* Change to A Type */
++
++ return;
++ }
++
++ /* <2>.Check for RL_Change */
++ if (wINTStatus&OTGC_INT_RLCHG)
++ fotg2xx_otgc_role_change(hcd);
++
++ /* <3>.Error Detect */
++ if (wINTStatus&OTGC_INT_AVBUSERR)
++ printk(KERN_ERR "VBus error!\n");
++
++ if (wINTStatus&OTGC_INT_OVC)
++ printk(KERN_WARNING "Overcurrent detected!\n");
++
++ /* <3>.Check for Type-A/Type-B Interrupt */
++ if ((readl(hcd->regs + 0x80) & BIT(21)) == 0) { /*For Type-A Interrupt*/
++ if (wINTStatus & (OTGC_INT_A_TYPE | OTGC_INT_ASRPDET)) {
++ /* <1>.SRP detected => then set global variable */
++ printk(KERN_WARNING "SRP detected, but not implemented!\n");
++
++#if 0
++ u32 wTempCounter;
++ /* <2>.Turn on the V Bus */
++ pFTC_OTG->otg.state = OTG_STATE_A_WAIT_VRISE;
++ OTGC_enable_vbus_draw_storlink(1);
++ pFTC_OTG->otg.state = OTG_STATE_A_HOST;
++ /* <3>.Should waiting for Device-Connect Wait 300ms */
++ INFO(pFTC_OTG, ">>> OTG-A Waiting for OTG-B Connect,\n");
++ wTempCounter = 0;
++ while (mwHost20_PORTSC_ConnectStatus_Rd() == 0) {
++ mdelay(1);
++ wTempCounter++;
++ /* Waiting for 300 ms */
++ if (wTempCounter > 300) {
++ mdwOTGC_Control_A_SRP_DET_EN_Clr();
++ INFO(pFTC_OTG, ">>> OTG-B do not connect under 300 ms...\n");
++ break;
++ }
++ }
++ /* <4>.If Connect => issue quick Reset */
++ if (mwHost20_PORTSC_ConnectStatus_Rd() > 0) {
++ mdelay(300); /* For OPT-A Test */
++ OTGH_host_quick_Reset();
++ OTGH_Open();
++ pFTC_OTG->otg.host->A_Disable_Set_Feature_HNP = 0;
++ }
++#endif
++ }
++ } else { /* For Type-B Interrupt */
++ BUG();
++ }
++}
++
++static irqreturn_t fotg2xx_ehci_irq(int irq, void *devid)
++{
++ struct usb_hcd *hcd = devid;
++ u32 val;
++
++ /* OTG Interrupt Status Register */
++ val = readl(hcd->regs + 0x84);
++
++ /* OTG stuff */
++ if (val) {
++ /* supposed to do "INT STS Clr" - XXX */
++ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
++
++ fotg2xx_int_isr(hcd, val);
++
++ /* supposed to do "INT STS Clr" - XXX */
++ writel(readl(hcd->regs + 0x84) | val, hcd->regs + 0x84);
++
++ return IRQ_HANDLED;
++ }
++
++ if ((readl(hcd->regs + 0x80) & BIT(20)) == 0) { /* Role is HOST */
++ if (readl(hcd->regs + 0xC0) & BIT(2)) { /* INT STS HOST */
++ /* leave this for ehci irq handler */
++ return IRQ_NONE;
++ }
++ } else
++ printk(KERN_WARNING
++ "received irq for peripheral - don't know what to do!\n");
++
++ /* do not call the ehci irq handler */
++ return IRQ_HANDLED;
++}
++
++static int fotg2xx_ehci_run(struct usb_hcd *hcd)
++{
++ int retval;
++
++ retval = ehci_run(hcd);
++
++ fotg2xx_otgh_close(hcd);
++ fotg2xx_otgc_init(hcd);
++
++ return retval;
++}
++
++static const struct hc_driver fotg2xx_ehci_hc_driver = {
++ .description = hcd_name,
++ .product_desc = "FOTG2XX EHCI Host Controller",
++ .hcd_priv_size = sizeof(struct ehci_hcd),
++ .irq = ehci_irq,
++ .flags = HCD_MEMORY | HCD_USB2,
++ .reset = fotg2xx_ehci_hc_reset,
++ .start = fotg2xx_ehci_run,
++ .stop = ehci_stop,
++ .shutdown = ehci_shutdown,
++
++ .urb_enqueue = ehci_urb_enqueue,
++ .urb_dequeue = ehci_urb_dequeue,
++ .endpoint_disable = ehci_endpoint_disable,
++ .endpoint_reset = ehci_endpoint_reset,
++
++ .get_frame_number = ehci_get_frame,
++
++ .hub_status_data = ehci_hub_status_data,
++ .hub_control = ehci_hub_control,
++#if defined(CONFIG_PM)
++ .bus_suspend = ehci_bus_suspend,
++ .bus_resume = ehci_bus_resume,
++#endif
++ .relinquish_port = ehci_relinquish_port,
++ .port_handed_over = ehci_port_handed_over,
++
++ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
++};
++
++static int fotg2xx_ehci_probe(struct platform_device *pdev)
++{
++ const struct hc_driver *driver = &fotg2xx_ehci_hc_driver;
++ struct usb_hcd *hcd;
++ struct resource *res;
++ int irq;
++ int retval;
++
++ pr_debug("initializing FOTG2XX-SOC USB Controller\n");
++
++ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
++ if (!res) {
++ dev_err(&pdev->dev,
++ "Found HC with no IRQ. Check %s setup!\n",
++ dev_name(&pdev->dev));
++ return -ENODEV;
++ }
++
++ irq = res->start;
++
++ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
++ if (!hcd) {
++ retval = -ENOMEM;
++ goto err1;
++ }
++
++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
++ if (!res) {
++ dev_err(&pdev->dev,
++ "Found HC with no register addr. Check %s setup!\n",
++ dev_name(&pdev->dev));
++ retval = -ENODEV;
++ goto err2;
++ }
++
++ hcd->rsrc_start = res->start;
++ hcd->rsrc_len = res->end - res->start + 1;
++ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
++ driver->description)) {
++ dev_dbg(&pdev->dev, "controller already in use\n");
++ retval = -EBUSY;
++ goto err2;
++ }
++
++ hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
++ if (hcd->regs == NULL) {
++ dev_dbg(&pdev->dev, "error mapping memory\n");
++ retval = -EFAULT;
++ goto err3;
++ }
++
++
++ /* set global reg to mini-A host */
++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(30)|BIT(29)),
++ IO_ADDRESS(0x40000000) + 0x30);
++
++ /* USB0&USB1 - VBUS off */
++ writel(readl(IO_ADDRESS(0x40000000) + 0x30) & ~(BIT(21)|BIT(22)),
++ IO_ADDRESS(0x40000000) + 0x30);
++
++ if ((readl(hcd->regs) == 0x01000010) &&
++ (readl(hcd->regs + 4) == 0x00000001) &&
++ (readl(hcd->regs + 8) == 0x00000006)) {
++ dev_info(&pdev->dev,
++ "Found Faraday OTG 2XX controller (base = 0x%08lX)\n",
++ (unsigned long) hcd->rsrc_start);
++ } else {
++ dev_err(&pdev->dev, "fotg2xx id mismatch: found %d.%d.%d\n",
++ readl(hcd->regs + 0x00),
++ readl(hcd->regs + 0x04),
++ readl(hcd->regs + 0x08));
++ retval = -ENODEV;
++ goto err4;
++ }
++
++ platform_set_drvdata(pdev, hcd);
++
++ /* mask interrupts - peripheral, otg, host, hi-active (bits 0,1,2,3) */
++ otg_set(0xc4, BIT(3)); /* hi active */
++
++ otg_set(0xc4, BIT(2)); /* host */
++ otg_set(0xc4, BIT(1)); /* otg */
++ otg_set(0xc4, BIT(0)); /* peripheral */
++
++ /* register additional interrupt - here we check otg status */
++ if ((request_irq(irq, &fotg2xx_ehci_irq, IRQF_SHARED | IRQF_DISABLED,
++ hcd->irq_descr, hcd)) != 0) {
++ dev_dbg(&pdev->dev, "error requesting irq %d\n", irq);
++ retval = -EFAULT;
++ goto err4;
++ }
++
++ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
++ if (retval != 0)
++ goto err4;
++ return retval;
++
++err4:
++ iounmap(hcd->regs);
++err3:
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++err2:
++ usb_put_hcd(hcd);
++err1:
++ dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev), retval);
++ return retval;
++}
++
++/* may be called without controller electrically present */
++/* may be called with controller, bus, and devices active */
++
++int fotg2xx_ehci_remove(struct platform_device *pdev)
++{
++ struct usb_hcd *hcd =
++ (struct usb_hcd *)platform_get_drvdata(pdev);
++
++ usb_remove_hcd(hcd);
++ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
++ iounmap(hcd->regs);
++ usb_put_hcd(hcd);
++ platform_set_drvdata(pdev, NULL);
++
++ return 0;
++}
++
++MODULE_ALIAS("platform:ehci-fotg2xx");
++
++static struct platform_driver fotg2xx_ehci_driver = {
++ .probe = fotg2xx_ehci_probe,
++ .remove = fotg2xx_ehci_remove,
++ .driver = {
++ .name = "ehci-fotg2xx",
++ },
++};
+--- a/drivers/usb/host/ehci.h
++++ b/drivers/usb/host/ehci.h
+@@ -600,7 +600,12 @@ static inline unsigned int
+ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc)
+ {
+ if (ehci_is_TDI(ehci)) {
++#ifdef CONFIG_ARCH_GEMINI
++ portsc = readl(ehci_to_hcd(ehci)->regs + 0x80);
++ switch ((portsc>>22)&3) {
++#else
+ switch ((portsc >> (ehci->has_hostpc ? 25 : 26)) & 3) {
++#endif
+ case 0:
+ return 0;
+ case 1:
+--- a/drivers/usb/host/ehci-hcd.c
++++ b/drivers/usb/host/ehci-hcd.c
+@@ -204,10 +204,12 @@ static int ehci_halt (struct ehci_hcd *e
+ * This routine gets called during probe before ehci->command
+ * has been initialized, so we can't rely on its value.
+ */
++#ifndef CONFIG_ARCH_GEMINI
+ ehci->command &= ~CMD_RUN;
+ temp = ehci_readl(ehci, &ehci->regs->command);
+ temp &= ~(CMD_RUN | CMD_IAAD);
+ ehci_writel(ehci, temp, &ehci->regs->command);
++#endif
+
+ spin_unlock_irq(&ehci->lock);
+ synchronize_irq(ehci_to_hcd(ehci)->irq);
+@@ -257,13 +259,17 @@ static int ehci_reset (struct ehci_hcd *
+ if (ehci->has_hostpc) {
+ ehci_writel(ehci, USBMODE_EX_HC | USBMODE_EX_VBPS,
+ &ehci->regs->usbmode_ex);
++#ifndef CONFIG_ARCH_GEMINI
+ ehci_writel(ehci, TXFIFO_DEFAULT, &ehci->regs->txfill_tuning);
++#endif
+ }
+ if (retval)
+ return retval;
+
++#ifndef CONFIG_ARCH_GEMINI
+ if (ehci_is_TDI(ehci))
+ tdi_reset (ehci);
++#endif
+
+ if (ehci->debug)
+ dbgp_external_startup(ehci_to_hcd(ehci));
+@@ -340,11 +346,14 @@ static void ehci_silence_controller(stru
+ ehci->rh_state = EHCI_RH_HALTED;
+ ehci_turn_off_all_ports(ehci);
+
++#ifndef CONFIG_ARCH_GEMINI
+ /* make BIOS/etc use companion controller during reboot */
+ ehci_writel(ehci, 0, &ehci->regs->configured_flag);
+
+ /* unblock posted writes */
+ ehci_readl(ehci, &ehci->regs->configured_flag);
++#endif
++
+ spin_unlock_irq(&ehci->lock);
+ }
+
+@@ -599,7 +608,9 @@ static int ehci_run (struct usb_hcd *hcd
+ // Philips, Intel, and maybe others need CMD_RUN before the
+ // root hub will detect new devices (why?); NEC doesn't
+ ehci->command &= ~(CMD_LRESET|CMD_IAAD|CMD_PSE|CMD_ASE|CMD_RESET);
++#ifndef CONFIG_ARCH_GEMINI
+ ehci->command |= CMD_RUN;
++#endif
+ ehci_writel(ehci, ehci->command, &ehci->regs->command);
+ dbg_cmd (ehci, "init", ehci->command);
+
+@@ -619,9 +630,11 @@ static int ehci_run (struct usb_hcd *hcd
+ */
+ down_write(&ehci_cf_port_reset_rwsem);
+ ehci->rh_state = EHCI_RH_RUNNING;
++#ifndef CONFIG_ARCH_GEMINI
+ ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
+ ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
+ msleep(5);
++#endif /* !CONFIG_ARCH_GEMINI */
+ up_write(&ehci_cf_port_reset_rwsem);
+ ehci->last_periodic_enable = ktime_get_real();
+
+@@ -1242,6 +1255,11 @@ MODULE_DESCRIPTION(DRIVER_DESC);
+ MODULE_AUTHOR (DRIVER_AUTHOR);
+ MODULE_LICENSE ("GPL");
+
++#ifdef CONFIG_ARCH_GEMINI
++#include "ehci-fotg2xx.c"
++#define PLATFORM_DRIVER fotg2xx_ehci_driver
++#endif
++
+ #ifdef CONFIG_USB_EHCI_FSL
+ #include "ehci-fsl.c"
+ #define PLATFORM_DRIVER ehci_fsl_driver
+--- a/drivers/usb/host/ehci-hub.c
++++ b/drivers/usb/host/ehci-hub.c
+@@ -912,6 +912,12 @@ static int ehci_hub_control (
+ /* see what we found out */
+ temp = check_reset_complete (ehci, wIndex, status_reg,
+ ehci_readl(ehci, status_reg));
++#ifdef CONFIG_ARCH_GEMINI
++ /* restart schedule */
++ ehci_writel(ehci, ehci_readl(ehci, &ehci->regs->command) | CMD_RUN, &ehci->regs->command);
++
++// hcd->state = HC_STATE_RUNNING;
++#endif
+ }
+
+ if (!(temp & (PORT_RESUME|PORT_RESET))) {
+--- a/drivers/usb/Kconfig
++++ b/drivers/usb/Kconfig
+@@ -47,6 +47,7 @@ config USB_ARCH_HAS_EHCI
+ default y if MICROBLAZE
+ default y if SPARC_LEON
+ default y if ARCH_MMP
++ default y if ARCH_GEMINI
+ default y if MACH_LOONGSON1
+ default y if PLAT_ORION
+ default PCI
+@@ -96,7 +97,7 @@ config USB
+ traditional PC serial port. The bus supplies power to peripherals
+ and allows for hot swapping. Up to 127 USB peripherals can be
+ connected to a single USB host in a tree structure.
+-
++
+ The USB host is the root of the tree, the peripherals are the
+ leaves and the inner nodes are special USB devices called hubs.
+ Most PCs now have USB host ports, used to connect peripherals
+--- a/include/linux/usb/ehci_def.h
++++ b/include/linux/usb/ehci_def.h
+@@ -111,6 +111,7 @@ struct ehci_regs {
+ /* ASYNCLISTADDR: offset 0x18 */
+ u32 async_next; /* address of next async queue head */
+
++#ifndef CONFIG_ARCH_GEMINI
+ u32 reserved1[2];
+
+ /* TXFILLTUNING: offset 0x24 */
+@@ -118,6 +119,7 @@ struct ehci_regs {
+ #define TXFIFO_DEFAULT (8<<16) /* FIFO burst threshold 8 */
+
+ u32 reserved2[6];
++#endif /* !CONFIG_ARCH_GEMINI */
+
+ /* CONFIGFLAG: offset 0x40 */
+ u32 configured_flag;
projects / openwrt / staging / jogo.git / commitdiff