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authorAlan Cox <alan@linux.intel.com>2009-08-27 06:02:25 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 15:02:29 -0400
commitb8c4cc46541d864b37497d0047b81b62a5d4e073 (patch)
tree7709393cc60976d97baa2e3b1d2c8aac5b01cd95 /drivers
parent2211b732ba8050bc228e129cdc30b4fdedcbea86 (diff)
Staging: et131x: put the jagcore routines in with their users
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/staging/et131x/Makefile1
-rw-r--r--drivers/staging/et131x/et1310_address_map.h56
-rw-r--r--drivers/staging/et131x/et1310_jagcore.c214
-rw-r--r--drivers/staging/et131x/et131x_initpci.c77
-rw-r--r--drivers/staging/et131x/et131x_isr.c43
5 files changed, 128 insertions, 263 deletions
diff --git a/drivers/staging/et131x/Makefile b/drivers/staging/et131x/Makefile
index 3ddbc64aa5f3..111049405cb3 100644
--- a/drivers/staging/et131x/Makefile
+++ b/drivers/staging/et131x/Makefile
@@ -5,7 +5,6 @@
5obj-$(CONFIG_ET131X) += et131x.o 5obj-$(CONFIG_ET131X) += et131x.o
6 6
7et131x-objs := et1310_eeprom.o \ 7et131x-objs := et1310_eeprom.o \
8 et1310_jagcore.o \
9 et1310_mac.o \ 8 et1310_mac.o \
10 et1310_phy.o \ 9 et1310_phy.o \
11 et1310_pm.o \ 10 et1310_pm.o \
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index c4b0a4f2b844..6dea0d91110b 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -116,52 +116,20 @@
116 */ 116 */
117 117
118/* 118/*
119 * structure for software reset reg in global address map 119 * Software reset reg at address 0x0028
120 * located at address 0x0028 120 * 0: txdma_sw_reset
121 * 1: rxdma_sw_reset
122 * 2: txmac_sw_reset
123 * 3: rxmac_sw_reset
124 * 4: mac_sw_reset
125 * 5: mac_stat_sw_reset
126 * 6: mmc_sw_reset
127 *31: selfclr_disable
121 */ 128 */
122typedef union _SW_RESET_t {
123 u32 value;
124 struct {
125#ifdef _BIT_FIELDS_HTOL
126 u32 selfclr_disable:1; /* bit 31 */
127 u32 unused:24; /* bits 7-30 */
128 u32 mmc_sw_reset:1; /* bit 6 */
129 u32 mac_stat_sw_reset:1; /* bit 5 */
130 u32 mac_sw_reset:1; /* bit 4 */
131 u32 rxmac_sw_reset:1; /* bit 3 */
132 u32 txmac_sw_reset:1; /* bit 2 */
133 u32 rxdma_sw_reset:1; /* bit 1 */
134 u32 txdma_sw_reset:1; /* bit 0 */
135#else
136 u32 txdma_sw_reset:1; /* bit 0 */
137 u32 rxdma_sw_reset:1; /* bit 1 */
138 u32 txmac_sw_reset:1; /* bit 2 */
139 u32 rxmac_sw_reset:1; /* bit 3 */
140 u32 mac_sw_reset:1; /* bit 4 */
141 u32 mac_stat_sw_reset:1; /* bit 5 */
142 u32 mmc_sw_reset:1; /* bit 6 */
143 u32 unused:24; /* bits 7-30 */
144 u32 selfclr_disable:1; /* bit 31 */
145#endif
146 } bits;
147} SW_RESET_t, *PSW_RESET_t;
148 129
149/* 130/*
150 * structure for SLV Timer reg in global address map 131 * SLV Timer reg at address 0x002C (low 24 bits)
151 * located at address 0x002C
152 */ 132 */
153typedef union _SLV_TIMER_t {
154 u32 value;
155 struct {
156#ifdef _BIT_FIELDS_HTOL
157 u32 unused:8; /* bits 24-31 */
158 u32 timer_ini:24; /* bits 0-23 */
159#else
160 u32 timer_ini:24; /* bits 0-23 */
161 u32 unused:8; /* bits 24-31 */
162#endif
163 } bits;
164} SLV_TIMER_t, *PSLV_TIMER_t;
165 133
166/* 134/*
167 * structure for MSI Configuration reg in global address map 135 * structure for MSI Configuration reg in global address map
@@ -218,8 +186,8 @@ typedef struct _GLOBAL_t { /* Location: */
218 u32 int_mask; /* 0x001C */ 186 u32 int_mask; /* 0x001C */
219 u32 int_alias_clr_en; /* 0x0020 */ 187 u32 int_alias_clr_en; /* 0x0020 */
220 u32 int_status_alias; /* 0x0024 */ 188 u32 int_status_alias; /* 0x0024 */
221 SW_RESET_t sw_reset; /* 0x0028 */ 189 u32 sw_reset; /* 0x0028 */
222 SLV_TIMER_t slv_timer; /* 0x002C */ 190 u32 slv_timer; /* 0x002C */
223 MSI_CONFIG_t msi_config; /* 0x0030 */ 191 MSI_CONFIG_t msi_config; /* 0x0030 */
224 LOOPBACK_t loopback; /* 0x0034 */ 192 LOOPBACK_t loopback; /* 0x0034 */
225 u32 watchdog_timer; /* 0x0038 */ 193 u32 watchdog_timer; /* 0x0038 */
diff --git a/drivers/staging/et131x/et1310_jagcore.c b/drivers/staging/et131x/et1310_jagcore.c
deleted file mode 100644
index ff238ef97283..000000000000
--- a/drivers/staging/et131x/et1310_jagcore.c
+++ /dev/null
@@ -1,214 +0,0 @@
1/*
2 * Agere Systems Inc.
3 * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
4 *
5 * Copyright © 2005 Agere Systems Inc.
6 * All rights reserved.
7 * http://www.agere.com
8 *
9 *------------------------------------------------------------------------------
10 *
11 * et1310_jagcore.c - All code pertaining to the ET1301/ET131x's JAGcore
12 *
13 *------------------------------------------------------------------------------
14 *
15 * SOFTWARE LICENSE
16 *
17 * This software is provided subject to the following terms and conditions,
18 * which you should read carefully before using the software. Using this
19 * software indicates your acceptance of these terms and conditions. If you do
20 * not agree with these terms and conditions, do not use the software.
21 *
22 * Copyright © 2005 Agere Systems Inc.
23 * All rights reserved.
24 *
25 * Redistribution and use in source or binary forms, with or without
26 * modifications, are permitted provided that the following conditions are met:
27 *
28 * . Redistributions of source code must retain the above copyright notice, this
29 * list of conditions and the following Disclaimer as comments in the code as
30 * well as in the documentation and/or other materials provided with the
31 * distribution.
32 *
33 * . Redistributions in binary form must reproduce the above copyright notice,
34 * this list of conditions and the following Disclaimer in the documentation
35 * and/or other materials provided with the distribution.
36 *
37 * . Neither the name of Agere Systems Inc. nor the names of the contributors
38 * may be used to endorse or promote products derived from this software
39 * without specific prior written permission.
40 *
41 * Disclaimer
42 *
43 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
44 * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
45 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
46 * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
47 * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
48 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
49 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
50 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
51 * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
53 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
54 * DAMAGE.
55 *
56 */
57
58#include "et131x_version.h"
59#include "et131x_debug.h"
60#include "et131x_defs.h"
61
62#include <linux/init.h>
63#include <linux/module.h>
64#include <linux/types.h>
65#include <linux/kernel.h>
66
67#include <linux/sched.h>
68#include <linux/ptrace.h>
69#include <linux/slab.h>
70#include <linux/ctype.h>
71#include <linux/string.h>
72#include <linux/timer.h>
73#include <linux/interrupt.h>
74#include <linux/in.h>
75#include <linux/delay.h>
76#include <linux/io.h>
77#include <linux/bitops.h>
78#include <asm/system.h>
79
80#include <linux/netdevice.h>
81#include <linux/etherdevice.h>
82#include <linux/skbuff.h>
83#include <linux/if_arp.h>
84#include <linux/ioport.h>
85
86#include "et1310_phy.h"
87#include "et1310_pm.h"
88#include "et1310_jagcore.h"
89
90#include "et131x_adapter.h"
91#include "et131x_initpci.h"
92
93/* Data for debugging facilities */
94#ifdef CONFIG_ET131X_DEBUG
95extern dbg_info_t *et131x_dbginfo;
96#endif /* CONFIG_ET131X_DEBUG */
97
98/**
99 * ConfigGlobalRegs - Used to configure the global registers on the JAGCore
100 * @pAdpater: pointer to our adapter structure
101 */
102void ConfigGlobalRegs(struct et131x_adapter *etdev)
103{
104 struct _GLOBAL_t __iomem *pGbl = &etdev->regs->global;
105
106 DBG_ENTER(et131x_dbginfo);
107
108 if (etdev->RegistryPhyLoopbk == false) {
109 if (etdev->RegistryJumboPacket < 2048) {
110 /* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word
111 * block of RAM that the driver can split between Tx
112 * and Rx as it desires. Our default is to split it
113 * 50/50:
114 */
115 writel(0, &pGbl->rxq_start_addr);
116 writel(PARM_RX_MEM_END_DEF, &pGbl->rxq_end_addr);
117 writel(PARM_RX_MEM_END_DEF + 1, &pGbl->txq_start_addr);
118 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
119 } else if (etdev->RegistryJumboPacket < 8192) {
120 /* For jumbo packets > 2k but < 8k, split 50-50. */
121 writel(0, &pGbl->rxq_start_addr);
122 writel(INTERNAL_MEM_RX_OFFSET, &pGbl->rxq_end_addr);
123 writel(INTERNAL_MEM_RX_OFFSET + 1, &pGbl->txq_start_addr);
124 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
125 } else {
126 /* 9216 is the only packet size greater than 8k that
127 * is available. The Tx buffer has to be big enough
128 * for one whole packet on the Tx side. We'll make
129 * the Tx 9408, and give the rest to Rx
130 */
131 writel(0x0000, &pGbl->rxq_start_addr);
132 writel(0x01b3, &pGbl->rxq_end_addr);
133 writel(0x01b4, &pGbl->txq_start_addr);
134 writel(INTERNAL_MEM_SIZE - 1,&pGbl->txq_end_addr);
135 }
136
137 /* Initialize the loopback register. Disable all loopbacks. */
138 writel(0, &pGbl->loopback.value);
139 } else {
140 /* For PHY Line loopback, the memory is configured as if Tx
141 * and Rx both have all the memory. This is because the
142 * RxMAC will write data into the space, and the TxMAC will
143 * read it out.
144 */
145 writel(0, &pGbl->rxq_start_addr);
146 writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr);
147 writel(0, &pGbl->txq_start_addr);
148 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
149
150 /* Initialize the loopback register (MAC loopback). */
151 writel(1, &pGbl->loopback);
152 }
153
154 /* MSI Register */
155 writel(0, &pGbl->msi_config.value);
156
157 /* By default, disable the watchdog timer. It will be enabled when
158 * a packet is queued.
159 */
160 writel(0, &pGbl->watchdog_timer);
161
162 DBG_LEAVE(et131x_dbginfo);
163}
164
165/**
166 * ConfigMMCRegs - Used to configure the main memory registers in the JAGCore
167 * @etdev: pointer to our adapter structure
168 */
169void ConfigMMCRegs(struct et131x_adapter *etdev)
170{
171 DBG_ENTER(et131x_dbginfo);
172 /* All we need to do is initialize the Memory Control Register */
173 writel(ET_MMC_ENABLE, &etdev->regs->mmc.mmc_ctrl);
174 DBG_LEAVE(et131x_dbginfo);
175}
176
177/**
178 * et131x_enable_interrupts - enable interrupt
179 * @adapter: et131x device
180 *
181 * Enable the appropriate interrupts on the ET131x according to our
182 * configuration
183 */
184
185void et131x_enable_interrupts(struct et131x_adapter *adapter)
186{
187 u32 mask;
188
189 /* Enable all global interrupts */
190 if (adapter->FlowControl == TxOnly || adapter->FlowControl == Both)
191 mask = INT_MASK_ENABLE;
192 else
193 mask = INT_MASK_ENABLE_NO_FLOW;
194
195 if (adapter->DriverNoPhyAccess)
196 mask |= ET_INTR_PHY;
197
198 adapter->CachedMaskValue = mask;
199 writel(mask, &adapter->regs->global.int_mask);
200}
201
202/**
203 * et131x_disable_interrupts - interrupt disable
204 * @adapter: et131x device
205 *
206 * Block all interrupts from the et131x device at the device itself
207 */
208
209void et131x_disable_interrupts(struct et131x_adapter *adapter)
210{
211 /* Disable all global interrupts */
212 adapter->CachedMaskValue = INT_MASK_DISABLE;
213 writel(INT_MASK_DISABLE, &adapter->regs->global.int_mask);
214}
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index 0a3464aa3809..936e5e6c8a88 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -532,6 +532,76 @@ void et131x_link_detection_handler(unsigned long data)
532} 532}
533 533
534/** 534/**
535 * et131x_configure_global_regs - configure JAGCore global regs
536 * @etdev: pointer to our adapter structure
537 *
538 * Used to configure the global registers on the JAGCore
539 */
540void ConfigGlobalRegs(struct et131x_adapter *etdev)
541{
542 struct _GLOBAL_t __iomem *pGbl = &etdev->regs->global;
543
544 DBG_ENTER(et131x_dbginfo);
545
546 if (etdev->RegistryPhyLoopbk == false) {
547 if (etdev->RegistryJumboPacket < 2048) {
548 /* Tx / RxDMA and Tx/Rx MAC interfaces have a 1k word
549 * block of RAM that the driver can split between Tx
550 * and Rx as it desires. Our default is to split it
551 * 50/50:
552 */
553 writel(0, &pGbl->rxq_start_addr);
554 writel(PARM_RX_MEM_END_DEF, &pGbl->rxq_end_addr);
555 writel(PARM_RX_MEM_END_DEF + 1, &pGbl->txq_start_addr);
556 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
557 } else if (etdev->RegistryJumboPacket < 8192) {
558 /* For jumbo packets > 2k but < 8k, split 50-50. */
559 writel(0, &pGbl->rxq_start_addr);
560 writel(INTERNAL_MEM_RX_OFFSET, &pGbl->rxq_end_addr);
561 writel(INTERNAL_MEM_RX_OFFSET + 1, &pGbl->txq_start_addr);
562 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
563 } else {
564 /* 9216 is the only packet size greater than 8k that
565 * is available. The Tx buffer has to be big enough
566 * for one whole packet on the Tx side. We'll make
567 * the Tx 9408, and give the rest to Rx
568 */
569 writel(0x0000, &pGbl->rxq_start_addr);
570 writel(0x01b3, &pGbl->rxq_end_addr);
571 writel(0x01b4, &pGbl->txq_start_addr);
572 writel(INTERNAL_MEM_SIZE - 1,&pGbl->txq_end_addr);
573 }
574
575 /* Initialize the loopback register. Disable all loopbacks. */
576 writel(0, &pGbl->loopback.value);
577 } else {
578 /* For PHY Line loopback, the memory is configured as if Tx
579 * and Rx both have all the memory. This is because the
580 * RxMAC will write data into the space, and the TxMAC will
581 * read it out.
582 */
583 writel(0, &pGbl->rxq_start_addr);
584 writel(INTERNAL_MEM_SIZE - 1, &pGbl->rxq_end_addr);
585 writel(0, &pGbl->txq_start_addr);
586 writel(INTERNAL_MEM_SIZE - 1, &pGbl->txq_end_addr);
587
588 /* Initialize the loopback register (MAC loopback). */
589 writel(1, &pGbl->loopback);
590 }
591
592 /* MSI Register */
593 writel(0, &pGbl->msi_config.value);
594
595 /* By default, disable the watchdog timer. It will be enabled when
596 * a packet is queued.
597 */
598 writel(0, &pGbl->watchdog_timer);
599
600 DBG_LEAVE(et131x_dbginfo);
601}
602
603
604/**
535 * et131x_adapter_setup - Set the adapter up as per cassini+ documentation 605 * et131x_adapter_setup - Set the adapter up as per cassini+ documentation
536 * @adapter: pointer to our private adapter structure 606 * @adapter: pointer to our private adapter structure
537 * 607 *
@@ -547,7 +617,10 @@ int et131x_adapter_setup(struct et131x_adapter *etdev)
547 ConfigGlobalRegs(etdev); 617 ConfigGlobalRegs(etdev);
548 618
549 ConfigMACRegs1(etdev); 619 ConfigMACRegs1(etdev);
550 ConfigMMCRegs(etdev); 620
621 /* Configure the MMC registers */
622 /* All we need to do is initialize the Memory Control Register */
623 writel(ET_MMC_ENABLE, &etdev->regs->mmc.mmc_ctrl);
551 624
552 ConfigRxMacRegs(etdev); 625 ConfigRxMacRegs(etdev);
553 ConfigTxMacRegs(etdev); 626 ConfigTxMacRegs(etdev);
@@ -645,7 +718,7 @@ void et131x_soft_reset(struct et131x_adapter *adapter)
645 writel(0xc00f0000, &adapter->regs->mac.cfg1.value); 718 writel(0xc00f0000, &adapter->regs->mac.cfg1.value);
646 719
647 /* Set everything to a reset value */ 720 /* Set everything to a reset value */
648 writel(0x7F, &adapter->regs->global.sw_reset.value); 721 writel(0x7F, &adapter->regs->global.sw_reset);
649 writel(0x000f0000, &adapter->regs->mac.cfg1.value); 722 writel(0x000f0000, &adapter->regs->mac.cfg1.value);
650 writel(0x00000000, &adapter->regs->mac.cfg1.value); 723 writel(0x00000000, &adapter->regs->mac.cfg1.value);
651 724
diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c
index 656df12acf72..878fd205e415 100644
--- a/drivers/staging/et131x/et131x_isr.c
+++ b/drivers/staging/et131x/et131x_isr.c
@@ -97,12 +97,53 @@ extern dbg_info_t *et131x_dbginfo;
97#endif /* CONFIG_ET131X_DEBUG */ 97#endif /* CONFIG_ET131X_DEBUG */
98 98
99/** 99/**
100 * et131x_enable_interrupts - enable interrupt
101 * @adapter: et131x device
102 *
103 * Enable the appropriate interrupts on the ET131x according to our
104 * configuration
105 */
106
107void et131x_enable_interrupts(struct et131x_adapter *adapter)
108{
109 u32 mask;
110
111 /* Enable all global interrupts */
112 if (adapter->FlowControl == TxOnly || adapter->FlowControl == Both)
113 mask = INT_MASK_ENABLE;
114 else
115 mask = INT_MASK_ENABLE_NO_FLOW;
116
117 if (adapter->DriverNoPhyAccess)
118 mask |= ET_INTR_PHY;
119
120 adapter->CachedMaskValue = mask;
121 writel(mask, &adapter->regs->global.int_mask);
122}
123
124/**
125 * et131x_disable_interrupts - interrupt disable
126 * @adapter: et131x device
127 *
128 * Block all interrupts from the et131x device at the device itself
129 */
130
131void et131x_disable_interrupts(struct et131x_adapter *adapter)
132{
133 /* Disable all global interrupts */
134 adapter->CachedMaskValue = INT_MASK_DISABLE;
135 writel(INT_MASK_DISABLE, &adapter->regs->global.int_mask);
136}
137
138
139/**
100 * et131x_isr - The Interrupt Service Routine for the driver. 140 * et131x_isr - The Interrupt Service Routine for the driver.
101 * @irq: the IRQ on which the interrupt was received. 141 * @irq: the IRQ on which the interrupt was received.
102 * @dev_id: device-specific info (here a pointer to a net_device struct) 142 * @dev_id: device-specific info (here a pointer to a net_device struct)
103 * 143 *
104 * Returns a value indicating if the interrupt was handled. 144 * Returns a value indicating if the interrupt was handled.
105 */ 145 */
146
106irqreturn_t et131x_isr(int irq, void *dev_id) 147irqreturn_t et131x_isr(int irq, void *dev_id)
107{ 148{
108 bool handled = true; 149 bool handled = true;
@@ -197,7 +238,6 @@ irqreturn_t et131x_isr(int irq, void *dev_id)
197 * execution 238 * execution
198 */ 239 */
199 schedule_work(&adapter->task); 240 schedule_work(&adapter->task);
200
201out: 241out:
202 return IRQ_RETVAL(handled); 242 return IRQ_RETVAL(handled);
203} 243}
@@ -476,6 +516,5 @@ void et131x_isr_handler(struct work_struct *work)
476 DBG_VERBOSE(et131x_dbginfo, "SLV_TIMEOUT interrupt\n"); 516 DBG_VERBOSE(et131x_dbginfo, "SLV_TIMEOUT interrupt\n");
477 } 517 }
478 } 518 }
479
480 et131x_enable_interrupts(etdev); 519 et131x_enable_interrupts(etdev);
481} 520}
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-10 16:03:15 -0500