--- /dev/null
+/*
+ * Agere Systems Inc.
+ * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ * http://www.agere.com
+ *
+ *------------------------------------------------------------------------------
+ *
+ * et1310_jagcore.c - All code pertaining to the ET1301/ET131x's JAGcore
+ *
+ *------------------------------------------------------------------------------
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software. Using this
+ * software indicates your acceptance of these terms and conditions. If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following Disclaimer as comments in the code as
+ * well as in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following Disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED \93AS IS\94 AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+#include "et131x_version.h"
+#include "et131x_debug.h"
+#include "et131x_defs.h"
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+#include <linux/sched.h>
+#include <linux/ptrace.h>
+#include <linux/slab.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/in.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/bitops.h>
+
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/skbuff.h>
+#include <linux/if_arp.h>
+#include <linux/ioport.h>
+
+#include "et1310_phy.h"
+#include "et1310_pm.h"
+#include "et1310_jagcore.h"
+
+#include "et131x_adapter.h"
+#include "et131x_initpci.h"
+
+/* Data for debugging facilities */
+#ifdef CONFIG_ET131X_DEBUG
+extern dbg_info_t *et131x_dbginfo;
+#endif /* CONFIG_ET131X_DEBUG */
+
+/**
+ * ConfigGlobalRegs - Used to configure the global registers on the JAGCore
+ * @pAdpater: pointer to our adapter structure
+ */
+void ConfigGlobalRegs(struct et131x_adapter *pAdapter)
+{
+ struct _GLOBAL_t __iomem *pGbl = &pAdapter->CSRAddress->global;
+
+ DBG_ENTER(et131x_dbginfo);
+
+ if (pAdapter->RegistryPhyLoopbk == false) {
+ if (pAdapter->RegistryJumboPacket < 2048) {
+ /* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word
+ * block of RAM that the driver can split between Tx
+ * and Rx as it desires. Our default is to split it
+ * 50/50:
+ */
+ writel(0, &pGbl->rxq_start_addr.value);
+ writel(pAdapter->RegistryRxMemEnd,
+ &pGbl->rxq_end_addr.value);
+ writel(pAdapter->RegistryRxMemEnd + 1,
+ &pGbl->txq_start_addr.value);
+ writel(INTERNAL_MEM_SIZE - 1,
+ &pGbl->txq_end_addr.value);
+ } else if (pAdapter->RegistryJumboPacket < 8192) {
+ /* For jumbo packets > 2k but < 8k, split 50-50. */
+ writel(0, &pGbl->rxq_start_addr.value);
+ writel(INTERNAL_MEM_RX_OFFSET,
+ &pGbl->rxq_end_addr.value);
+ writel(INTERNAL_MEM_RX_OFFSET + 1,
+ &pGbl->txq_start_addr.value);
+ writel(INTERNAL_MEM_SIZE - 1,
+ &pGbl->txq_end_addr.value);
+ } else {
+ /* 9216 is the only packet size greater than 8k that
+ * is available. The Tx buffer has to be big enough
+ * for one whole packet on the Tx side. We'll make
+ * the Tx 9408, and give the rest to Rx
+ */
+ writel(0x0000, &pGbl->rxq_start_addr.value);
+ writel(0x01b3, &pGbl->rxq_end_addr.value);
+ writel(0x01b4, &pGbl->txq_start_addr.value);
+ writel(INTERNAL_MEM_SIZE - 1,
+ &pGbl->txq_end_addr.value);
+ }
+
+ /* Initialize the loopback register. Disable all loopbacks. */
+ writel(0, &pGbl->loopback.value);
+ } else {
+ /* For PHY Line loopback, the memory is configured as if Tx
+ * and Rx both have all the memory. This is because the
+ * RxMAC will write data into the space, and the TxMAC will
+ * read it out.
+ */
+ writel(0, &pGbl->rxq_start_addr.value);
+ writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr.value);
+ writel(0, &pGbl->txq_start_addr.value);
+ writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr.value);
+
+ /* Initialize the loopback register (MAC loopback). */
+ writel(1, &pGbl->loopback.value);
+ }
+
+ /* MSI Register */
+ writel(0, &pGbl->msi_config.value);
+
+ /* By default, disable the watchdog timer. It will be enabled when
+ * a packet is queued.
+ */
+ writel(0, &pGbl->watchdog_timer);
+
+ DBG_LEAVE(et131x_dbginfo);
+}
+
+/**
+ * ConfigMMCRegs - Used to configure the main memory registers in the JAGCore
+ * @pAdapter: pointer to our adapter structure
+ */
+void ConfigMMCRegs(struct et131x_adapter *pAdapter)
+{
+ MMC_CTRL_t mmc_ctrl = { 0 };
+
+ DBG_ENTER(et131x_dbginfo);
+
+ /* All we need to do is initialize the Memory Control Register */
+ mmc_ctrl.bits.force_ce = 0x0;
+ mmc_ctrl.bits.rxdma_disable = 0x0;
+ mmc_ctrl.bits.txdma_disable = 0x0;
+ mmc_ctrl.bits.txmac_disable = 0x0;
+ mmc_ctrl.bits.rxmac_disable = 0x0;
+ mmc_ctrl.bits.arb_disable = 0x0;
+ mmc_ctrl.bits.mmc_enable = 0x1;
+
+ writel(mmc_ctrl.value, &pAdapter->CSRAddress->mmc.mmc_ctrl.value);
+
+ DBG_LEAVE(et131x_dbginfo);
+}
+
+void et131x_enable_interrupts(struct et131x_adapter *adapter)
+{
+ uint32_t MaskValue;
+
+ /* Enable all global interrupts */
+ if ((adapter->FlowControl == TxOnly) || (adapter->FlowControl == Both)) {
+ MaskValue = INT_MASK_ENABLE;
+ } else {
+ MaskValue = INT_MASK_ENABLE_NO_FLOW;
+ }
+
+ if (adapter->DriverNoPhyAccess) {
+ MaskValue |= 0x10000;
+ }
+
+ adapter->CachedMaskValue.value = MaskValue;
+ writel(MaskValue, &adapter->CSRAddress->global.int_mask.value);
+}
+
+void et131x_disable_interrupts(struct et131x_adapter * adapter)
+{
+ /* Disable all global interrupts */
+ adapter->CachedMaskValue.value = INT_MASK_DISABLE;
+ writel(INT_MASK_DISABLE, &adapter->CSRAddress->global.int_mask.value);
+}
projects / people / pmueller / ipfire-2.x.git / blobdiff