iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Staging: et131x: put the jagcore routines in with their users

Browse Source 
We have two trivial IRQ routines, a single statement and a real function -
relocate them. While we are at it kill the trivial to sort out soft reset
and slv bits in the same areas of code.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox 2009-08-27 11:02:25 +01:00 committed by Greg Kroah-Hartman
parent 2211b732ba
commit b8c4cc4654
5 changed files with 128 additions and 263 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/staging/et131x/Makefile
View File

@ -5,7 +5,6 @@
obj-$(CONFIG_ET131X) += et131x.o
et131x-objs := et1310_eeprom.o \
et1310_jagcore.o \
et1310_mac.o \
et1310_phy.o \
et1310_pm.o \

56
drivers/staging/et131x/et1310_address_map.h
View File

@ -116,52 +116,20 @@
*/
/*
* structure for software reset reg in global address map
* located at address 0x0028
* Software reset reg at address 0x0028
* 0: txdma_sw_reset
* 1: rxdma_sw_reset
* 2: txmac_sw_reset
* 3: rxmac_sw_reset
* 4: mac_sw_reset
* 5: mac_stat_sw_reset
* 6: mmc_sw_reset
*31: selfclr_disable
*/
typedef union _SW_RESET_t {
u32 value;
struct {
#ifdef _BIT_FIELDS_HTOL
u32 selfclr_disable:1; /* bit 31 */
u32 unused:24; /* bits 7-30 */
u32 mmc_sw_reset:1; /* bit 6 */
u32 mac_stat_sw_reset:1; /* bit 5 */
u32 mac_sw_reset:1; /* bit 4 */
u32 rxmac_sw_reset:1; /* bit 3 */
u32 txmac_sw_reset:1; /* bit 2 */
u32 rxdma_sw_reset:1; /* bit 1 */
u32 txdma_sw_reset:1; /* bit 0 */
#else
u32 txdma_sw_reset:1; /* bit 0 */
u32 rxdma_sw_reset:1; /* bit 1 */
u32 txmac_sw_reset:1; /* bit 2 */
u32 rxmac_sw_reset:1; /* bit 3 */
u32 mac_sw_reset:1; /* bit 4 */
u32 mac_stat_sw_reset:1; /* bit 5 */
u32 mmc_sw_reset:1; /* bit 6 */
u32 unused:24; /* bits 7-30 */
u32 selfclr_disable:1; /* bit 31 */
#endif
} bits;
} SW_RESET_t, *PSW_RESET_t;
/*
* structure for SLV Timer reg in global address map
* located at address 0x002C
* SLV Timer reg at address 0x002C (low 24 bits)
*/
typedef union _SLV_TIMER_t {
u32 value;
struct {
#ifdef _BIT_FIELDS_HTOL
u32 unused:8; /* bits 24-31 */
u32 timer_ini:24; /* bits 0-23 */
#else
u32 timer_ini:24; /* bits 0-23 */
u32 unused:8; /* bits 24-31 */
#endif
} bits;
} SLV_TIMER_t, *PSLV_TIMER_t;
/*
* structure for MSI Configuration reg in global address map
@ -218,8 +186,8 @@ typedef struct _GLOBAL_t { /* Location: */
u32 int_mask; /* 0x001C */
u32 int_alias_clr_en; /* 0x0020 */
u32 int_status_alias; /* 0x0024 */
SW_RESET_t sw_reset; /* 0x0028 */
SLV_TIMER_t slv_timer; /* 0x002C */
u32 sw_reset; /* 0x0028 */
u32 slv_timer; /* 0x002C */
MSI_CONFIG_t msi_config; /* 0x0030 */
LOOPBACK_t loopback; /* 0x0034 */
u32 watchdog_timer; /* 0x0038 */

214
drivers/staging/et131x/et1310_jagcore.c
View File

@ -1,214 +0,0 @@
/*
* 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 "AS IS" 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 <linux/io.h>
#include <linux/bitops.h>
#include <asm/system.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 *etdev)
{
struct _GLOBAL_t __iomem *pGbl = &etdev->regs->global;
DBG_ENTER(et131x_dbginfo);
if (etdev->RegistryPhyLoopbk == false) {
if (etdev->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);
writel(PARM_RX_MEM_END_DEF, &pGbl->rxq_end_addr);
writel(PARM_RX_MEM_END_DEF + 1, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
} else if (etdev->RegistryJumboPacket < 8192) {
/* For jumbo packets > 2k but < 8k, split 50-50. */
writel(0, &pGbl->rxq_start_addr);
writel(INTERNAL_MEM_RX_OFFSET, &pGbl->rxq_end_addr);
writel(INTERNAL_MEM_RX_OFFSET + 1, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
} 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);
writel(0x01b3, &pGbl->rxq_end_addr);
writel(0x01b4, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1,&pGbl->txq_end_addr);
}
/* 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);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr);
writel(0, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
/* Initialize the loopback register (MAC loopback). */
writel(1, &pGbl->loopback);
}
/* 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
* @etdev: pointer to our adapter structure
*/
void ConfigMMCRegs(struct et131x_adapter *etdev)
{
DBG_ENTER(et131x_dbginfo);
/* All we need to do is initialize the Memory Control Register */
writel(ET_MMC_ENABLE, &etdev->regs->mmc.mmc_ctrl);
DBG_LEAVE(et131x_dbginfo);
}
/**
* et131x_enable_interrupts - enable interrupt
* @adapter: et131x device
*
* Enable the appropriate interrupts on the ET131x according to our
* configuration
*/
void et131x_enable_interrupts(struct et131x_adapter *adapter)
{
u32 mask;
/* Enable all global interrupts */
if (adapter->FlowControl == TxOnly || adapter->FlowControl == Both)
mask = INT_MASK_ENABLE;
else
mask = INT_MASK_ENABLE_NO_FLOW;
if (adapter->DriverNoPhyAccess)
mask |= ET_INTR_PHY;
adapter->CachedMaskValue = mask;
writel(mask, &adapter->regs->global.int_mask);
}
/**
* et131x_disable_interrupts - interrupt disable
* @adapter: et131x device
*
* Block all interrupts from the et131x device at the device itself
*/
void et131x_disable_interrupts(struct et131x_adapter *adapter)
{
/* Disable all global interrupts */
adapter->CachedMaskValue = INT_MASK_DISABLE;
writel(INT_MASK_DISABLE, &adapter->regs->global.int_mask);
}

77
drivers/staging/et131x/et131x_initpci.c
View File

@ -531,6 +531,76 @@ void et131x_link_detection_handler(unsigned long data)
}
}
/**
* et131x_configure_global_regs - configure JAGCore global regs
* @etdev: pointer to our adapter structure
*
* Used to configure the global registers on the JAGCore
*/
void ConfigGlobalRegs(struct et131x_adapter *etdev)
{
struct _GLOBAL_t __iomem *pGbl = &etdev->regs->global;
DBG_ENTER(et131x_dbginfo);
if (etdev->RegistryPhyLoopbk == false) {
if (etdev->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);
writel(PARM_RX_MEM_END_DEF, &pGbl->rxq_end_addr);
writel(PARM_RX_MEM_END_DEF + 1, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
} else if (etdev->RegistryJumboPacket < 8192) {
/* For jumbo packets > 2k but < 8k, split 50-50. */
writel(0, &pGbl->rxq_start_addr);
writel(INTERNAL_MEM_RX_OFFSET, &pGbl->rxq_end_addr);
writel(INTERNAL_MEM_RX_OFFSET + 1, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
} 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);
writel(0x01b3, &pGbl->rxq_end_addr);
writel(0x01b4, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1,&pGbl->txq_end_addr);
}
/* 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);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr);
writel(0, &pGbl->txq_start_addr);
writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
/* Initialize the loopback register (MAC loopback). */
writel(1, &pGbl->loopback);
}
/* 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);
}
/**
* et131x_adapter_setup - Set the adapter up as per cassini+ documentation
* @adapter: pointer to our private adapter structure
@ -547,7 +617,10 @@ int et131x_adapter_setup(struct et131x_adapter *etdev)
ConfigGlobalRegs(etdev);
ConfigMACRegs1(etdev);
ConfigMMCRegs(etdev);
/* Configure the MMC registers */
/* All we need to do is initialize the Memory Control Register */
writel(ET_MMC_ENABLE, &etdev->regs->mmc.mmc_ctrl);
ConfigRxMacRegs(etdev);
ConfigTxMacRegs(etdev);
@ -645,7 +718,7 @@ void et131x_soft_reset(struct et131x_adapter *adapter)
writel(0xc00f0000, &adapter->regs->mac.cfg1.value);
/* Set everything to a reset value */
writel(0x7F, &adapter->regs->global.sw_reset.value);
writel(0x7F, &adapter->regs->global.sw_reset);
writel(0x000f0000, &adapter->regs->mac.cfg1.value);
writel(0x00000000, &adapter->regs->mac.cfg1.value);

43
drivers/staging/et131x/et131x_isr.c
View File

@ -96,6 +96,46 @@
extern dbg_info_t *et131x_dbginfo;
#endif /* CONFIG_ET131X_DEBUG */
/**
* et131x_enable_interrupts - enable interrupt
* @adapter: et131x device
*
* Enable the appropriate interrupts on the ET131x according to our
* configuration
*/
void et131x_enable_interrupts(struct et131x_adapter *adapter)
{
u32 mask;
/* Enable all global interrupts */
if (adapter->FlowControl == TxOnly || adapter->FlowControl == Both)
mask = INT_MASK_ENABLE;
else
mask = INT_MASK_ENABLE_NO_FLOW;
if (adapter->DriverNoPhyAccess)
mask |= ET_INTR_PHY;
adapter->CachedMaskValue = mask;
writel(mask, &adapter->regs->global.int_mask);
}
/**
* et131x_disable_interrupts - interrupt disable
* @adapter: et131x device
*
* Block all interrupts from the et131x device at the device itself
*/
void et131x_disable_interrupts(struct et131x_adapter *adapter)
{
/* Disable all global interrupts */
adapter->CachedMaskValue = INT_MASK_DISABLE;
writel(INT_MASK_DISABLE, &adapter->regs->global.int_mask);
}
/**
* et131x_isr - The Interrupt Service Routine for the driver.
* @irq: the IRQ on which the interrupt was received.
@ -103,6 +143,7 @@ extern dbg_info_t *et131x_dbginfo;
*
* Returns a value indicating if the interrupt was handled.
*/
irqreturn_t et131x_isr(int irq, void *dev_id)
{
bool handled = true;
@ -197,7 +238,6 @@ irqreturn_t et131x_isr(int irq, void *dev_id)
* execution
*/
schedule_work(&adapter->task);
out:
return IRQ_RETVAL(handled);
}
@ -476,6 +516,5 @@ void et131x_isr_handler(struct work_struct *work)
DBG_VERBOSE(et131x_dbginfo, "SLV_TIMEOUT interrupt\n");
}
}
et131x_enable_interrupts(etdev);
}