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-rw-r--r--arch/arm/Kconfig14
-rw-r--r--arch/arm/Makefile2
-rw-r--r--arch/arm/boot/compressed/Makefile4
-rw-r--r--arch/arm/boot/compressed/ice-dcc.S17
-rw-r--r--arch/arm/boot/compressed/misc.c41
-rw-r--r--arch/arm/common/rtctime.c108
-rw-r--r--arch/arm/configs/ixp23xx_defconfig1302
-rw-r--r--arch/arm/lib/Makefile2
-rw-r--r--arch/arm/lib/copy_template.S2
-rw-r--r--arch/arm/mach-ep93xx/core.c68
-rw-r--r--arch/arm/mach-footbridge/time.c17
-rw-r--r--arch/arm/mach-integrator/core.c46
-rw-r--r--arch/arm/mach-integrator/time.c16
-rw-r--r--arch/arm/mach-ixp23xx/Kconfig25
-rw-r--r--arch/arm/mach-ixp23xx/Makefile11
-rw-r--r--arch/arm/mach-ixp23xx/Makefile.boot2
-rw-r--r--arch/arm/mach-ixp23xx/core.c431
-rw-r--r--arch/arm/mach-ixp23xx/espresso.c69
-rw-r--r--arch/arm/mach-ixp23xx/ixdp2351.c325
-rw-r--r--arch/arm/mach-ixp23xx/pci.c275
-rw-r--r--arch/arm/mach-ixp23xx/roadrunner.c164
-rw-r--r--arch/arm/mach-omap1/board-netstar.c2
-rw-r--r--arch/arm/mach-omap1/board-voiceblue.c2
-rw-r--r--arch/arm/mach-pxa/Kconfig5
-rw-r--r--arch/arm/mach-pxa/Makefile1
-rw-r--r--arch/arm/mach-pxa/generic.c6
-rw-r--r--arch/arm/mach-pxa/lpd270.c393
-rw-r--r--arch/arm/mach-pxa/spitz.c2
-rw-r--r--arch/arm/mach-sa1100/Kconfig2
-rw-r--r--arch/arm/mach-sa1100/cpu-sa1100.c2
-rw-r--r--arch/arm/mach-sa1100/generic.c6
-rw-r--r--arch/arm/mm/Kconfig19
-rw-r--r--arch/arm/mm/Makefile2
-rw-r--r--arch/arm/mm/copypage-xsc3.S97
-rw-r--r--arch/arm/mm/mm-armv.c3
-rw-r--r--arch/arm/mm/proc-v6.S16
-rw-r--r--arch/arm/mm/proc-xsc3.S498
37 files changed, 3834 insertions, 163 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index bf2e72698d02..ba46d779ede7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -8,6 +8,7 @@ mainmenu "Linux Kernel Configuration"
8config ARM 8config ARM
9 bool 9 bool
10 default y 10 default y
11 select RTC_LIB
11 help 12 help
12 The ARM series is a line of low-power-consumption RISC chip designs 13 The ARM series is a line of low-power-consumption RISC chip designs
13 licensed by ARM Ltd and targeted at embedded applications and 14 licensed by ARM Ltd and targeted at embedded applications and
@@ -152,6 +153,12 @@ config ARCH_IXP2000
152 help 153 help
153 Support for Intel's IXP2400/2800 (XScale) family of processors. 154 Support for Intel's IXP2400/2800 (XScale) family of processors.
154 155
156config ARCH_IXP23XX
157 bool "IXP23XX-based"
158 select PCI
159 help
160 Support for Intel's IXP23xx (XScale) family of processors.
161
155config ARCH_L7200 162config ARCH_L7200
156 bool "LinkUp-L7200" 163 bool "LinkUp-L7200"
157 select FIQ 164 select FIQ
@@ -273,6 +280,8 @@ source "arch/arm/mach-ixp4xx/Kconfig"
273 280
274source "arch/arm/mach-ixp2000/Kconfig" 281source "arch/arm/mach-ixp2000/Kconfig"
275 282
283source "arch/arm/mach-ixp23xx/Kconfig"
284
276source "arch/arm/mach-pxa/Kconfig" 285source "arch/arm/mach-pxa/Kconfig"
277 286
278source "arch/arm/mach-sa1100/Kconfig" 287source "arch/arm/mach-sa1100/Kconfig"
@@ -791,7 +800,8 @@ source "drivers/acorn/block/Kconfig"
791 800
792if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \ 801if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \
793 || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \ 802 || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
794 || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE 803 || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
804 || ARCH_IXP23XX
795source "drivers/ide/Kconfig" 805source "drivers/ide/Kconfig"
796endif 806endif
797 807
@@ -839,6 +849,8 @@ source "drivers/usb/Kconfig"
839 849
840source "drivers/mmc/Kconfig" 850source "drivers/mmc/Kconfig"
841 851
852source "drivers/rtc/Kconfig"
853
842endmenu 854endmenu
843 855
844source "fs/Kconfig" 856source "fs/Kconfig"
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 99c0d323719a..ce3e804ea0f3 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -57,6 +57,7 @@ tune-$(CONFIG_CPU_ARM926T) :=-mtune=arm9tdmi
57tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110 57tune-$(CONFIG_CPU_SA110) :=-mtune=strongarm110
58tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100 58tune-$(CONFIG_CPU_SA1100) :=-mtune=strongarm1100
59tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale 59tune-$(CONFIG_CPU_XSCALE) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
60tune-$(CONFIG_CPU_XSC3) :=$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale
60tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) 61tune-$(CONFIG_CPU_V6) :=$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm)
61 62
62ifeq ($(CONFIG_AEABI),y) 63ifeq ($(CONFIG_AEABI),y)
@@ -97,6 +98,7 @@ endif
97 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx 98 machine-$(CONFIG_ARCH_IOP3XX) := iop3xx
98 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx 99 machine-$(CONFIG_ARCH_IXP4XX) := ixp4xx
99 machine-$(CONFIG_ARCH_IXP2000) := ixp2000 100 machine-$(CONFIG_ARCH_IXP2000) := ixp2000
101 machine-$(CONFIG_ARCH_IXP23XX) := ixp23xx
100 machine-$(CONFIG_ARCH_OMAP1) := omap1 102 machine-$(CONFIG_ARCH_OMAP1) := omap1
101 machine-$(CONFIG_ARCH_OMAP2) := omap2 103 machine-$(CONFIG_ARCH_OMAP2) := omap2
102 incdir-$(CONFIG_ARCH_OMAP) := omap 104 incdir-$(CONFIG_ARCH_OMAP) := omap
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 35ffe0f4ece7..2adc1527e0eb 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -50,10 +50,6 @@ ifeq ($(CONFIG_ARCH_AT91RM9200),y)
50OBJS += head-at91rm9200.o 50OBJS += head-at91rm9200.o
51endif 51endif
52 52
53ifeq ($(CONFIG_DEBUG_ICEDCC),y)
54OBJS += ice-dcc.o
55endif
56
57ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) 53ifeq ($(CONFIG_CPU_BIG_ENDIAN),y)
58OBJS += big-endian.o 54OBJS += big-endian.o
59endif 55endif
diff --git a/arch/arm/boot/compressed/ice-dcc.S b/arch/arm/boot/compressed/ice-dcc.S
deleted file mode 100644
index 104377a199bb..000000000000
--- a/arch/arm/boot/compressed/ice-dcc.S
+++ /dev/null
@@ -1,17 +0,0 @@
1
2
3 .text
4
5 .global icedcc_putc
6
7icedcc_putc:
8 mov r2, #0x4000000
91:
10 subs r2, r2, #1
11 movlt pc, r14
12 mrc p14, 0, r1, c0, c0, 0
13 tst r1, #2
14 bne 1b
15
16 mcr p14, 0, r0, c1, c0, 0
17 mov pc, r14
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index 5ab94584baee..0af3772efcb7 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -20,24 +20,45 @@ unsigned int __machine_arch_type;
20 20
21#include <linux/string.h> 21#include <linux/string.h>
22 22
23#include <asm/arch/uncompress.h>
24
25#ifdef STANDALONE_DEBUG 23#ifdef STANDALONE_DEBUG
26#define putstr printf 24#define putstr printf
27#endif 25#else
26
27static void putstr(const char *ptr);
28
29#include <linux/compiler.h>
30#include <asm/arch/uncompress.h>
28 31
29#ifdef CONFIG_DEBUG_ICEDCC 32#ifdef CONFIG_DEBUG_ICEDCC
30#define putstr icedcc_putstr 33static void icedcc_putc(int ch)
31#define putc icedcc_putc 34{
35 int status, i = 0x4000000;
32 36
33extern void icedcc_putc(int ch); 37 do {
38 if (--i < 0)
39 return;
34 40
35static void 41 asm("mrc p14, 0, %0, c0, c0, 0" : "=r" (status));
36icedcc_putstr(const char *ptr) 42 } while (status & 2);
43
44 asm("mcr p15, 0, %0, c1, c0, 0" : : "r" (ch));
45}
46
47#define putc(ch) icedcc_putc(ch)
48#define flush() do { } while (0)
49#endif
50
51static void putstr(const char *ptr)
37{ 52{
38 for (; *ptr != '\0'; ptr++) { 53 char c;
39 icedcc_putc(*ptr); 54
55 while ((c = *ptr++) != '\0') {
56 if (c == '\n')
57 putc('\r');
58 putc(c);
40 } 59 }
60
61 flush();
41} 62}
42 63
43#endif 64#endif
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index e851d86c212c..35c9a64ac14c 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -20,6 +20,7 @@
20#include <linux/capability.h> 20#include <linux/capability.h>
21#include <linux/device.h> 21#include <linux/device.h>
22#include <linux/mutex.h> 22#include <linux/mutex.h>
23#include <linux/rtc.h>
23 24
24#include <asm/rtc.h> 25#include <asm/rtc.h>
25#include <asm/semaphore.h> 26#include <asm/semaphore.h>
@@ -42,89 +43,6 @@ static struct rtc_ops *rtc_ops;
42 43
43#define rtc_epoch 1900UL 44#define rtc_epoch 1900UL
44 45
45static const unsigned char days_in_month[] = {
46 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31
47};
48
49#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400)
50#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400))
51
52static int month_days(unsigned int month, unsigned int year)
53{
54 return days_in_month[month] + (LEAP_YEAR(year) && month == 1);
55}
56
57/*
58 * Convert seconds since 01-01-1970 00:00:00 to Gregorian date.
59 */
60void rtc_time_to_tm(unsigned long time, struct rtc_time *tm)
61{
62 int days, month, year;
63
64 days = time / 86400;
65 time -= days * 86400;
66
67 tm->tm_wday = (days + 4) % 7;
68
69 year = 1970 + days / 365;
70 days -= (year - 1970) * 365
71 + LEAPS_THRU_END_OF(year - 1)
72 - LEAPS_THRU_END_OF(1970 - 1);
73 if (days < 0) {
74 year -= 1;
75 days += 365 + LEAP_YEAR(year);
76 }
77 tm->tm_year = year - 1900;
78 tm->tm_yday = days + 1;
79
80 for (month = 0; month < 11; month++) {
81 int newdays;
82
83 newdays = days - month_days(month, year);
84 if (newdays < 0)
85 break;
86 days = newdays;
87 }
88 tm->tm_mon = month;
89 tm->tm_mday = days + 1;
90
91 tm->tm_hour = time / 3600;
92 time -= tm->tm_hour * 3600;
93 tm->tm_min = time / 60;
94 tm->tm_sec = time - tm->tm_min * 60;
95}
96EXPORT_SYMBOL(rtc_time_to_tm);
97
98/*
99 * Does the rtc_time represent a valid date/time?
100 */
101int rtc_valid_tm(struct rtc_time *tm)
102{
103 if (tm->tm_year < 70 ||
104 tm->tm_mon >= 12 ||
105 tm->tm_mday < 1 ||
106 tm->tm_mday > month_days(tm->tm_mon, tm->tm_year + 1900) ||
107 tm->tm_hour >= 24 ||
108 tm->tm_min >= 60 ||
109 tm->tm_sec >= 60)
110 return -EINVAL;
111
112 return 0;
113}
114EXPORT_SYMBOL(rtc_valid_tm);
115
116/*
117 * Convert Gregorian date to seconds since 01-01-1970 00:00:00.
118 */
119int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time)
120{
121 *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
122 tm->tm_hour, tm->tm_min, tm->tm_sec);
123
124 return 0;
125}
126EXPORT_SYMBOL(rtc_tm_to_time);
127
128/* 46/*
129 * Calculate the next alarm time given the requested alarm time mask 47 * Calculate the next alarm time given the requested alarm time mask
130 * and the current time. 48 * and the current time.
@@ -151,13 +69,13 @@ void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc
151 } 69 }
152} 70}
153 71
154static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm) 72static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm)
155{ 73{
156 memset(tm, 0, sizeof(struct rtc_time)); 74 memset(tm, 0, sizeof(struct rtc_time));
157 return ops->read_time(tm); 75 return ops->read_time(tm);
158} 76}
159 77
160static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm) 78static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm)
161{ 79{
162 int ret; 80 int ret;
163 81
@@ -168,7 +86,7 @@ static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm)
168 return ret; 86 return ret;
169} 87}
170 88
171static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) 89static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
172{ 90{
173 int ret = -EINVAL; 91 int ret = -EINVAL;
174 if (ops->read_alarm) { 92 if (ops->read_alarm) {
@@ -178,7 +96,7 @@ static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
178 return ret; 96 return ret;
179} 97}
180 98
181static inline int rtc_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) 99static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
182{ 100{
183 int ret = -EINVAL; 101 int ret = -EINVAL;
184 if (ops->set_alarm) 102 if (ops->set_alarm)
@@ -266,7 +184,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
266 184
267 switch (cmd) { 185 switch (cmd) {
268 case RTC_ALM_READ: 186 case RTC_ALM_READ:
269 ret = rtc_read_alarm(ops, &alrm); 187 ret = rtc_arm_read_alarm(ops, &alrm);
270 if (ret) 188 if (ret)
271 break; 189 break;
272 ret = copy_to_user(uarg, &alrm.time, sizeof(tm)); 190 ret = copy_to_user(uarg, &alrm.time, sizeof(tm));
@@ -288,11 +206,11 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
288 alrm.time.tm_wday = -1; 206 alrm.time.tm_wday = -1;
289 alrm.time.tm_yday = -1; 207 alrm.time.tm_yday = -1;
290 alrm.time.tm_isdst = -1; 208 alrm.time.tm_isdst = -1;
291 ret = rtc_set_alarm(ops, &alrm); 209 ret = rtc_arm_set_alarm(ops, &alrm);
292 break; 210 break;
293 211
294 case RTC_RD_TIME: 212 case RTC_RD_TIME:
295 ret = rtc_read_time(ops, &tm); 213 ret = rtc_arm_read_time(ops, &tm);
296 if (ret) 214 if (ret)
297 break; 215 break;
298 ret = copy_to_user(uarg, &tm, sizeof(tm)); 216 ret = copy_to_user(uarg, &tm, sizeof(tm));
@@ -310,7 +228,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
310 ret = -EFAULT; 228 ret = -EFAULT;
311 break; 229 break;
312 } 230 }
313 ret = rtc_set_time(ops, &tm); 231 ret = rtc_arm_set_time(ops, &tm);
314 break; 232 break;
315 233
316 case RTC_EPOCH_SET: 234 case RTC_EPOCH_SET:
@@ -341,11 +259,11 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
341 ret = -EFAULT; 259 ret = -EFAULT;
342 break; 260 break;
343 } 261 }
344 ret = rtc_set_alarm(ops, &alrm); 262 ret = rtc_arm_set_alarm(ops, &alrm);
345 break; 263 break;
346 264
347 case RTC_WKALM_RD: 265 case RTC_WKALM_RD:
348 ret = rtc_read_alarm(ops, &alrm); 266 ret = rtc_arm_read_alarm(ops, &alrm);
349 if (ret) 267 if (ret)
350 break; 268 break;
351 ret = copy_to_user(uarg, &alrm, sizeof(alrm)); 269 ret = copy_to_user(uarg, &alrm, sizeof(alrm));
@@ -435,7 +353,7 @@ static int rtc_read_proc(char *page, char **start, off_t off, int count, int *eo
435 struct rtc_time tm; 353 struct rtc_time tm;
436 char *p = page; 354 char *p = page;
437 355
438 if (rtc_read_time(ops, &tm) == 0) { 356 if (rtc_arm_read_time(ops, &tm) == 0) {
439 p += sprintf(p, 357 p += sprintf(p,
440 "rtc_time\t: %02d:%02d:%02d\n" 358 "rtc_time\t: %02d:%02d:%02d\n"
441 "rtc_date\t: %04d-%02d-%02d\n" 359 "rtc_date\t: %04d-%02d-%02d\n"
@@ -445,7 +363,7 @@ static int rtc_read_proc(char *page, char **start, off_t off, int count, int *eo
445 rtc_epoch); 363 rtc_epoch);
446 } 364 }
447 365
448 if (rtc_read_alarm(ops, &alrm) == 0) { 366 if (rtc_arm_read_alarm(ops, &alrm) == 0) {
449 p += sprintf(p, "alrm_time\t: "); 367 p += sprintf(p, "alrm_time\t: ");
450 if ((unsigned int)alrm.time.tm_hour <= 24) 368 if ((unsigned int)alrm.time.tm_hour <= 24)
451 p += sprintf(p, "%02d:", alrm.time.tm_hour); 369 p += sprintf(p, "%02d:", alrm.time.tm_hour);
diff --git a/arch/arm/configs/ixp23xx_defconfig b/arch/arm/configs/ixp23xx_defconfig
new file mode 100644
index 000000000000..1a2751e9ab05
--- /dev/null
+++ b/arch/arm/configs/ixp23xx_defconfig
@@ -0,0 +1,1302 @@
1#
2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.16
4# Tue Mar 21 03:27:20 2006
5#
6CONFIG_ARM=y
7CONFIG_MMU=y
8CONFIG_RWSEM_GENERIC_SPINLOCK=y
9CONFIG_GENERIC_CALIBRATE_DELAY=y
10
11#
12# Code maturity level options
13#
14CONFIG_EXPERIMENTAL=y
15CONFIG_BROKEN_ON_SMP=y
16CONFIG_INIT_ENV_ARG_LIMIT=32
17
18#
19# General setup
20#
21CONFIG_LOCALVERSION=""
22CONFIG_LOCALVERSION_AUTO=y
23CONFIG_SWAP=y
24CONFIG_SYSVIPC=y
25# CONFIG_POSIX_MQUEUE is not set
26CONFIG_BSD_PROCESS_ACCT=y
27# CONFIG_BSD_PROCESS_ACCT_V3 is not set
28CONFIG_SYSCTL=y
29# CONFIG_AUDIT is not set
30# CONFIG_IKCONFIG is not set
31CONFIG_INITRAMFS_SOURCE=""
32CONFIG_UID16=y
33CONFIG_CC_OPTIMIZE_FOR_SIZE=y
34CONFIG_EMBEDDED=y
35CONFIG_KALLSYMS=y
36# CONFIG_KALLSYMS_ALL is not set
37# CONFIG_KALLSYMS_EXTRA_PASS is not set
38CONFIG_HOTPLUG=y
39CONFIG_PRINTK=y
40CONFIG_BUG=y
41CONFIG_ELF_CORE=y
42CONFIG_BASE_FULL=y
43CONFIG_FUTEX=y
44CONFIG_EPOLL=y
45CONFIG_SHMEM=y
46CONFIG_CC_ALIGN_FUNCTIONS=0
47CONFIG_CC_ALIGN_LABELS=0
48CONFIG_CC_ALIGN_LOOPS=0
49CONFIG_CC_ALIGN_JUMPS=0
50CONFIG_SLAB=y
51# CONFIG_TINY_SHMEM is not set
52CONFIG_BASE_SMALL=0
53# CONFIG_SLOB is not set
54CONFIG_OBSOLETE_INTERMODULE=y
55
56#
57# Loadable module support
58#
59CONFIG_MODULES=y
60CONFIG_MODULE_UNLOAD=y
61# CONFIG_MODULE_FORCE_UNLOAD is not set
62CONFIG_OBSOLETE_MODPARM=y
63# CONFIG_MODVERSIONS is not set
64# CONFIG_MODULE_SRCVERSION_ALL is not set
65CONFIG_KMOD=y
66
67#
68# Block layer
69#
70
71#
72# IO Schedulers
73#
74CONFIG_IOSCHED_NOOP=y
75CONFIG_IOSCHED_AS=y
76CONFIG_IOSCHED_DEADLINE=y
77CONFIG_IOSCHED_CFQ=y
78CONFIG_DEFAULT_AS=y
79# CONFIG_DEFAULT_DEADLINE is not set
80# CONFIG_DEFAULT_CFQ is not set
81# CONFIG_DEFAULT_NOOP is not set
82CONFIG_DEFAULT_IOSCHED="anticipatory"
83
84#
85# System Type
86#
87# CONFIG_ARCH_CLPS7500 is not set
88# CONFIG_ARCH_CLPS711X is not set
89# CONFIG_ARCH_CO285 is not set
90# CONFIG_ARCH_EBSA110 is not set
91# CONFIG_ARCH_EP93XX is not set
92# CONFIG_ARCH_FOOTBRIDGE is not set
93# CONFIG_ARCH_INTEGRATOR is not set
94# CONFIG_ARCH_IOP3XX is not set
95# CONFIG_ARCH_IXP4XX is not set
96# CONFIG_ARCH_IXP2000 is not set
97CONFIG_ARCH_IXP23XX=y
98# CONFIG_ARCH_L7200 is not set
99# CONFIG_ARCH_PXA is not set
100# CONFIG_ARCH_RPC is not set
101# CONFIG_ARCH_SA1100 is not set
102# CONFIG_ARCH_S3C2410 is not set
103# CONFIG_ARCH_SHARK is not set
104# CONFIG_ARCH_LH7A40X is not set
105# CONFIG_ARCH_OMAP is not set
106# CONFIG_ARCH_VERSATILE is not set
107# CONFIG_ARCH_REALVIEW is not set
108# CONFIG_ARCH_IMX is not set
109# CONFIG_ARCH_H720X is not set
110# CONFIG_ARCH_AAEC2000 is not set
111# CONFIG_ARCH_AT91RM9200 is not set
112CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y
113
114#
115# Intel IXP23xx Implementation Options
116#
117
118#
119# IXP23xx Platforms
120#
121CONFIG_MACH_ESPRESSO=y
122CONFIG_MACH_IXDP2351=y
123CONFIG_MACH_ROADRUNNER=y
124
125#
126# Processor Type
127#
128CONFIG_CPU_32=y
129CONFIG_CPU_XSC3=y
130CONFIG_CPU_32v5=y
131CONFIG_CPU_ABRT_EV5T=y
132CONFIG_CPU_CACHE_VIVT=y
133CONFIG_CPU_TLB_V4WBI=y
134CONFIG_IO_36=y
135
136#
137# Processor Features
138#
139# CONFIG_ARM_THUMB is not set
140CONFIG_CPU_BIG_ENDIAN=y
141
142#
143# Bus support
144#
145CONFIG_PCI=y
146CONFIG_PCI_LEGACY_PROC=y
147# CONFIG_PCI_DEBUG is not set
148
149#
150# PCCARD (PCMCIA/CardBus) support
151#
152# CONFIG_PCCARD is not set
153
154#
155# Kernel Features
156#
157# CONFIG_PREEMPT is not set
158# CONFIG_NO_IDLE_HZ is not set
159CONFIG_HZ=100
160# CONFIG_AEABI is not set
161# CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
162CONFIG_SELECT_MEMORY_MODEL=y
163CONFIG_FLATMEM_MANUAL=y
164# CONFIG_DISCONTIGMEM_MANUAL is not set
165# CONFIG_SPARSEMEM_MANUAL is not set
166CONFIG_FLATMEM=y
167CONFIG_FLAT_NODE_MEM_MAP=y
168# CONFIG_SPARSEMEM_STATIC is not set
169CONFIG_SPLIT_PTLOCK_CPUS=4096
170CONFIG_ALIGNMENT_TRAP=y
171
172#
173# Boot options
174#
175CONFIG_ZBOOT_ROM_TEXT=0x0
176CONFIG_ZBOOT_ROM_BSS=0x0
177CONFIG_CMDLINE="console=ttyS0,115200 root=/dev/nfs ip=bootp"
178# CONFIG_XIP_KERNEL is not set
179
180#
181# Floating point emulation
182#
183
184#
185# At least one emulation must be selected
186#
187CONFIG_FPE_NWFPE=y
188CONFIG_FPE_NWFPE_XP=y
189# CONFIG_FPE_FASTFPE is not set
190
191#
192# Userspace binary formats
193#
194CONFIG_BINFMT_ELF=y
195# CONFIG_BINFMT_AOUT is not set
196# CONFIG_BINFMT_MISC is not set
197# CONFIG_ARTHUR is not set
198
199#
200# Power management options
201#
202# CONFIG_PM is not set
203# CONFIG_APM is not set
204
205#
206# Networking
207#
208CONFIG_NET=y
209
210#
211# Networking options
212#
213# CONFIG_NETDEBUG is not set
214CONFIG_PACKET=y
215CONFIG_PACKET_MMAP=y
216CONFIG_UNIX=y
217# CONFIG_NET_KEY is not set
218CONFIG_INET=y
219# CONFIG_IP_MULTICAST is not set
220# CONFIG_IP_ADVANCED_ROUTER is not set
221CONFIG_IP_FIB_HASH=y
222CONFIG_IP_PNP=y
223CONFIG_IP_PNP_DHCP=y
224CONFIG_IP_PNP_BOOTP=y
225# CONFIG_IP_PNP_RARP is not set
226# CONFIG_NET_IPIP is not set
227# CONFIG_NET_IPGRE is not set
228# CONFIG_ARPD is not set
229CONFIG_SYN_COOKIES=y
230# CONFIG_INET_AH is not set
231# CONFIG_INET_ESP is not set
232# CONFIG_INET_IPCOMP is not set
233# CONFIG_INET_TUNNEL is not set
234CONFIG_INET_DIAG=y
235CONFIG_INET_TCP_DIAG=y
236# CONFIG_TCP_CONG_ADVANCED is not set
237CONFIG_TCP_CONG_BIC=y
238# CONFIG_IPV6 is not set
239# CONFIG_NETFILTER is not set
240
241#
242# DCCP Configuration (EXPERIMENTAL)
243#
244# CONFIG_IP_DCCP is not set
245
246#
247# SCTP Configuration (EXPERIMENTAL)
248#
249# CONFIG_IP_SCTP is not set
250
251#
252# TIPC Configuration (EXPERIMENTAL)
253#
254# CONFIG_TIPC is not set
255# CONFIG_ATM is not set
256# CONFIG_BRIDGE is not set
257# CONFIG_VLAN_8021Q is not set
258# CONFIG_DECNET is not set
259# CONFIG_LLC2 is not set
260# CONFIG_IPX is not set
261# CONFIG_ATALK is not set
262# CONFIG_X25 is not set
263# CONFIG_LAPB is not set
264# CONFIG_NET_DIVERT is not set
265# CONFIG_ECONET is not set
266# CONFIG_WAN_ROUTER is not set
267
268#
269# QoS and/or fair queueing
270#
271# CONFIG_NET_SCHED is not set
272
273#
274# Network testing
275#
276# CONFIG_NET_PKTGEN is not set
277# CONFIG_HAMRADIO is not set
278# CONFIG_IRDA is not set
279# CONFIG_BT is not set
280# CONFIG_IEEE80211 is not set
281
282#
283# Device Drivers
284#
285
286#
287# Generic Driver Options
288#
289CONFIG_STANDALONE=y
290# CONFIG_PREVENT_FIRMWARE_BUILD is not set
291# CONFIG_FW_LOADER is not set
292# CONFIG_DEBUG_DRIVER is not set
293
294#
295# Connector - unified userspace <-> kernelspace linker
296#
297# CONFIG_CONNECTOR is not set
298
299#
300# Memory Technology Devices (MTD)
301#
302CONFIG_MTD=y
303# CONFIG_MTD_DEBUG is not set
304# CONFIG_MTD_CONCAT is not set
305CONFIG_MTD_PARTITIONS=y
306CONFIG_MTD_REDBOOT_PARTS=y
307CONFIG_MTD_REDBOOT_DIRECTORY_BLOCK=-1
308CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED=y
309CONFIG_MTD_REDBOOT_PARTS_READONLY=y
310# CONFIG_MTD_CMDLINE_PARTS is not set
311# CONFIG_MTD_AFS_PARTS is not set
312
313#
314# User Modules And Translation Layers
315#
316CONFIG_MTD_CHAR=y
317CONFIG_MTD_BLOCK=y
318# CONFIG_FTL is not set
319# CONFIG_NFTL is not set
320# CONFIG_INFTL is not set
321# CONFIG_RFD_FTL is not set
322
323#
324# RAM/ROM/Flash chip drivers
325#
326CONFIG_MTD_CFI=y
327# CONFIG_MTD_JEDECPROBE is not set
328CONFIG_MTD_GEN_PROBE=y
329# CONFIG_MTD_CFI_ADV_OPTIONS is not set
330CONFIG_MTD_MAP_BANK_WIDTH_1=y
331CONFIG_MTD_MAP_BANK_WIDTH_2=y
332CONFIG_MTD_MAP_BANK_WIDTH_4=y
333# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
334# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
335# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
336CONFIG_MTD_CFI_I1=y
337CONFIG_MTD_CFI_I2=y
338# CONFIG_MTD_CFI_I4 is not set
339# CONFIG_MTD_CFI_I8 is not set
340CONFIG_MTD_CFI_INTELEXT=y
341# CONFIG_MTD_CFI_AMDSTD is not set
342# CONFIG_MTD_CFI_STAA is not set
343CONFIG_MTD_CFI_UTIL=y
344# CONFIG_MTD_RAM is not set
345# CONFIG_MTD_ROM is not set
346# CONFIG_MTD_ABSENT is not set
347# CONFIG_MTD_OBSOLETE_CHIPS is not set
348
349#
350# Mapping drivers for chip access
351#
352CONFIG_MTD_COMPLEX_MAPPINGS=y
353CONFIG_MTD_PHYSMAP=y
354CONFIG_MTD_PHYSMAP_START=0x0
355CONFIG_MTD_PHYSMAP_LEN=0x0
356CONFIG_MTD_PHYSMAP_BANKWIDTH=1
357# CONFIG_MTD_ARM_INTEGRATOR is not set
358# CONFIG_MTD_PCI is not set
359# CONFIG_MTD_PLATRAM is not set
360
361#
362# Self-contained MTD device drivers
363#
364# CONFIG_MTD_PMC551 is not set
365# CONFIG_MTD_SLRAM is not set
366# CONFIG_MTD_PHRAM is not set
367# CONFIG_MTD_MTDRAM is not set
368# CONFIG_MTD_BLKMTD is not set
369# CONFIG_MTD_BLOCK2MTD is not set
370
371#
372# Disk-On-Chip Device Drivers
373#
374# CONFIG_MTD_DOC2000 is not set
375# CONFIG_MTD_DOC2001 is not set
376# CONFIG_MTD_DOC2001PLUS is not set
377
378#
379# NAND Flash Device Drivers
380#
381# CONFIG_MTD_NAND is not set
382
383#
384# OneNAND Flash Device Drivers
385#
386# CONFIG_MTD_ONENAND is not set
387
388#
389# Parallel port support
390#
391# CONFIG_PARPORT is not set
392
393#
394# Plug and Play support
395#
396
397#
398# Block devices
399#
400# CONFIG_BLK_CPQ_DA is not set
401# CONFIG_BLK_CPQ_CISS_DA is not set
402# CONFIG_BLK_DEV_DAC960 is not set
403# CONFIG_BLK_DEV_UMEM is not set
404# CONFIG_BLK_DEV_COW_COMMON is not set
405CONFIG_BLK_DEV_LOOP=y
406# CONFIG_BLK_DEV_CRYPTOLOOP is not set
407# CONFIG_BLK_DEV_NBD is not set
408# CONFIG_BLK_DEV_SX8 is not set
409# CONFIG_BLK_DEV_UB is not set
410CONFIG_BLK_DEV_RAM=y
411CONFIG_BLK_DEV_RAM_COUNT=16
412CONFIG_BLK_DEV_RAM_SIZE=8192
413CONFIG_BLK_DEV_INITRD=y
414# CONFIG_CDROM_PKTCDVD is not set
415# CONFIG_ATA_OVER_ETH is not set
416
417#
418# ATA/ATAPI/MFM/RLL support
419#
420CONFIG_IDE=y
421CONFIG_BLK_DEV_IDE=y
422
423#
424# Please see Documentation/ide.txt for help/info on IDE drives
425#
426# CONFIG_BLK_DEV_IDE_SATA is not set
427CONFIG_BLK_DEV_IDEDISK=y
428# CONFIG_IDEDISK_MULTI_MODE is not set
429# CONFIG_BLK_DEV_IDECD is not set
430# CONFIG_BLK_DEV_IDETAPE is not set
431# CONFIG_BLK_DEV_IDEFLOPPY is not set
432# CONFIG_BLK_DEV_IDESCSI is not set
433# CONFIG_IDE_TASK_IOCTL is not set
434
435#
436# IDE chipset support/bugfixes
437#
438CONFIG_IDE_GENERIC=y
439CONFIG_BLK_DEV_IDEPCI=y
440# CONFIG_IDEPCI_SHARE_IRQ is not set
441# CONFIG_BLK_DEV_OFFBOARD is not set
442# CONFIG_BLK_DEV_GENERIC is not set
443# CONFIG_BLK_DEV_OPTI621 is not set
444# CONFIG_BLK_DEV_SL82C105 is not set
445CONFIG_BLK_DEV_IDEDMA_PCI=y
446# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
447# CONFIG_IDEDMA_PCI_AUTO is not set
448# CONFIG_BLK_DEV_AEC62XX is not set
449# CONFIG_BLK_DEV_ALI15X3 is not set
450# CONFIG_BLK_DEV_AMD74XX is not set
451# CONFIG_BLK_DEV_CMD64X is not set
452# CONFIG_BLK_DEV_TRIFLEX is not set
453# CONFIG_BLK_DEV_CY82C693 is not set
454# CONFIG_BLK_DEV_CS5520 is not set
455# CONFIG_BLK_DEV_CS5530 is not set
456# CONFIG_BLK_DEV_HPT34X is not set
457# CONFIG_BLK_DEV_HPT366 is not set
458# CONFIG_BLK_DEV_SC1200 is not set
459# CONFIG_BLK_DEV_PIIX is not set
460# CONFIG_BLK_DEV_IT821X is not set
461# CONFIG_BLK_DEV_NS87415 is not set
462# CONFIG_BLK_DEV_PDC202XX_OLD is not set
463# CONFIG_BLK_DEV_PDC202XX_NEW is not set
464# CONFIG_BLK_DEV_SVWKS is not set
465CONFIG_BLK_DEV_SIIMAGE=y
466# CONFIG_BLK_DEV_SLC90E66 is not set
467# CONFIG_BLK_DEV_TRM290 is not set
468# CONFIG_BLK_DEV_VIA82CXXX is not set
469# CONFIG_IDE_ARM is not set
470CONFIG_BLK_DEV_IDEDMA=y
471# CONFIG_IDEDMA_IVB is not set
472# CONFIG_IDEDMA_AUTO is not set
473# CONFIG_BLK_DEV_HD is not set
474
475#
476# SCSI device support
477#
478# CONFIG_RAID_ATTRS is not set
479CONFIG_SCSI=y
480CONFIG_SCSI_PROC_FS=y
481
482#
483# SCSI support type (disk, tape, CD-ROM)
484#
485CONFIG_BLK_DEV_SD=y
486# CONFIG_CHR_DEV_ST is not set
487# CONFIG_CHR_DEV_OSST is not set
488# CONFIG_BLK_DEV_SR is not set
489# CONFIG_CHR_DEV_SG is not set
490# CONFIG_CHR_DEV_SCH is not set
491
492#
493# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
494#
495# CONFIG_SCSI_MULTI_LUN is not set
496# CONFIG_SCSI_CONSTANTS is not set
497# CONFIG_SCSI_LOGGING is not set
498
499#
500# SCSI Transport Attributes
501#
502# CONFIG_SCSI_SPI_ATTRS is not set
503# CONFIG_SCSI_FC_ATTRS is not set
504# CONFIG_SCSI_ISCSI_ATTRS is not set
505# CONFIG_SCSI_SAS_ATTRS is not set
506
507#
508# SCSI low-level drivers
509#
510# CONFIG_ISCSI_TCP is not set
511# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
512# CONFIG_SCSI_3W_9XXX is not set
513# CONFIG_SCSI_ACARD is not set
514# CONFIG_SCSI_AACRAID is not set
515# CONFIG_SCSI_AIC7XXX is not set
516# CONFIG_SCSI_AIC7XXX_OLD is not set
517# CONFIG_SCSI_AIC79XX is not set
518# CONFIG_SCSI_DPT_I2O is not set
519# CONFIG_MEGARAID_NEWGEN is not set
520# CONFIG_MEGARAID_LEGACY is not set
521# CONFIG_MEGARAID_SAS is not set
522# CONFIG_SCSI_SATA is not set
523# CONFIG_SCSI_DMX3191D is not set
524# CONFIG_SCSI_FUTURE_DOMAIN is not set
525# CONFIG_SCSI_IPS is not set
526# CONFIG_SCSI_INITIO is not set
527# CONFIG_SCSI_INIA100 is not set
528# CONFIG_SCSI_SYM53C8XX_2 is not set
529# CONFIG_SCSI_IPR is not set
530# CONFIG_SCSI_QLOGIC_FC is not set
531# CONFIG_SCSI_QLOGIC_1280 is not set
532# CONFIG_SCSI_QLA_FC is not set
533# CONFIG_SCSI_LPFC is not set
534# CONFIG_SCSI_DC395x is not set
535# CONFIG_SCSI_DC390T is not set
536# CONFIG_SCSI_NSP32 is not set
537# CONFIG_SCSI_DEBUG is not set
538
539#
540# Multi-device support (RAID and LVM)
541#
542# CONFIG_MD is not set
543
544#
545# Fusion MPT device support
546#
547# CONFIG_FUSION is not set
548# CONFIG_FUSION_SPI is not set
549# CONFIG_FUSION_FC is not set
550# CONFIG_FUSION_SAS is not set
551
552#
553# IEEE 1394 (FireWire) support
554#
555# CONFIG_IEEE1394 is not set
556
557#
558# I2O device support
559#
560# CONFIG_I2O is not set
561
562#
563# Network device support
564#
565CONFIG_NETDEVICES=y
566CONFIG_DUMMY=y
567# CONFIG_BONDING is not set
568# CONFIG_EQUALIZER is not set
569# CONFIG_TUN is not set
570
571#
572# ARCnet devices
573#
574# CONFIG_ARCNET is not set
575
576#
577# PHY device support
578#
579# CONFIG_PHYLIB is not set
580
581#
582# Ethernet (10 or 100Mbit)
583#
584CONFIG_NET_ETHERNET=y
585CONFIG_MII=y
586# CONFIG_HAPPYMEAL is not set
587# CONFIG_SUNGEM is not set
588# CONFIG_CASSINI is not set
589# CONFIG_NET_VENDOR_3COM is not set
590# CONFIG_SMC91X is not set
591# CONFIG_DM9000 is not set
592
593#
594# Tulip family network device support
595#
596# CONFIG_NET_TULIP is not set
597# CONFIG_HP100 is not set
598CONFIG_NET_PCI=y
599# CONFIG_PCNET32 is not set
600# CONFIG_AMD8111_ETH is not set
601# CONFIG_ADAPTEC_STARFIRE is not set
602# CONFIG_B44 is not set
603# CONFIG_FORCEDETH is not set
604# CONFIG_CS89x0 is not set
605# CONFIG_DGRS is not set
606# CONFIG_EEPRO100 is not set
607CONFIG_E100=y
608# CONFIG_FEALNX is not set
609# CONFIG_NATSEMI is not set
610# CONFIG_NE2K_PCI is not set
611# CONFIG_8139CP is not set
612# CONFIG_8139TOO is not set
613# CONFIG_SIS900 is not set
614# CONFIG_EPIC100 is not set
615# CONFIG_SUNDANCE is not set
616# CONFIG_TLAN is not set
617# CONFIG_VIA_RHINE is not set
618
619#
620# Ethernet (1000 Mbit)
621#
622# CONFIG_ACENIC is not set
623# CONFIG_DL2K is not set
624CONFIG_E1000=y
625CONFIG_E1000_NAPI=y
626# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
627# CONFIG_NS83820 is not set
628# CONFIG_HAMACHI is not set
629# CONFIG_YELLOWFIN is not set
630# CONFIG_R8169 is not set
631# CONFIG_SIS190 is not set
632# CONFIG_SKGE is not set
633# CONFIG_SKY2 is not set
634# CONFIG_SK98LIN is not set
635# CONFIG_VIA_VELOCITY is not set
636# CONFIG_TIGON3 is not set
637# CONFIG_BNX2 is not set
638
639#
640# Ethernet (10000 Mbit)
641#
642# CONFIG_CHELSIO_T1 is not set
643# CONFIG_IXGB is not set
644# CONFIG_S2IO is not set
645
646#
647# Token Ring devices
648#
649# CONFIG_TR is not set
650
651#
652# Wireless LAN (non-hamradio)
653#
654# CONFIG_NET_RADIO is not set
655
656#
657# Wan interfaces
658#
659CONFIG_WAN=y
660# CONFIG_DSCC4 is not set
661# CONFIG_LANMEDIA is not set
662# CONFIG_SYNCLINK_SYNCPPP is not set
663CONFIG_HDLC=y
664CONFIG_HDLC_RAW=y
665# CONFIG_HDLC_RAW_ETH is not set
666CONFIG_HDLC_CISCO=y
667CONFIG_HDLC_FR=y
668CONFIG_HDLC_PPP=y
669
670#
671# X.25/LAPB support is disabled
672#
673# CONFIG_PCI200SYN is not set
674# CONFIG_WANXL is not set
675# CONFIG_PC300 is not set
676# CONFIG_FARSYNC is not set
677CONFIG_DLCI=y
678CONFIG_DLCI_COUNT=24
679CONFIG_DLCI_MAX=8
680# CONFIG_FDDI is not set
681# CONFIG_HIPPI is not set
682# CONFIG_PPP is not set
683# CONFIG_SLIP is not set
684# CONFIG_NET_FC is not set
685# CONFIG_SHAPER is not set
686# CONFIG_NETCONSOLE is not set
687# CONFIG_NETPOLL is not set
688# CONFIG_NET_POLL_CONTROLLER is not set
689
690#
691# ISDN subsystem
692#
693# CONFIG_ISDN is not set
694
695#
696# Input device support
697#
698CONFIG_INPUT=y
699
700#
701# Userland interfaces
702#
703CONFIG_INPUT_MOUSEDEV=y
704CONFIG_INPUT_MOUSEDEV_PSAUX=y
705CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
706CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
707# CONFIG_INPUT_JOYDEV is not set
708# CONFIG_INPUT_TSDEV is not set
709# CONFIG_INPUT_EVDEV is not set
710# CONFIG_INPUT_EVBUG is not set
711
712#
713# Input Device Drivers
714#
715# CONFIG_INPUT_KEYBOARD is not set
716# CONFIG_INPUT_MOUSE is not set
717# CONFIG_INPUT_JOYSTICK is not set
718# CONFIG_INPUT_TOUCHSCREEN is not set
719# CONFIG_INPUT_MISC is not set
720
721#
722# Hardware I/O ports
723#
724# CONFIG_SERIO is not set
725# CONFIG_GAMEPORT is not set
726
727#
728# Character devices
729#
730# CONFIG_VT is not set
731# CONFIG_SERIAL_NONSTANDARD is not set
732
733#
734# Serial drivers
735#
736CONFIG_SERIAL_8250=y
737CONFIG_SERIAL_8250_CONSOLE=y
738CONFIG_SERIAL_8250_NR_UARTS=4
739CONFIG_SERIAL_8250_RUNTIME_UARTS=4
740# CONFIG_SERIAL_8250_EXTENDED is not set
741
742#
743# Non-8250 serial port support
744#
745CONFIG_SERIAL_CORE=y
746CONFIG_SERIAL_CORE_CONSOLE=y
747# CONFIG_SERIAL_JSM is not set
748CONFIG_UNIX98_PTYS=y
749CONFIG_LEGACY_PTYS=y
750CONFIG_LEGACY_PTY_COUNT=256
751
752#
753# IPMI
754#
755# CONFIG_IPMI_HANDLER is not set
756
757#
758# Watchdog Cards
759#
760CONFIG_WATCHDOG=y
761# CONFIG_WATCHDOG_NOWAYOUT is not set
762
763#
764# Watchdog Device Drivers
765#
766# CONFIG_SOFT_WATCHDOG is not set
767
768#
769# PCI-based Watchdog Cards
770#
771# CONFIG_PCIPCWATCHDOG is not set
772# CONFIG_WDTPCI is not set
773
774#
775# USB-based Watchdog Cards
776#
777# CONFIG_USBPCWATCHDOG is not set
778# CONFIG_NVRAM is not set
779# CONFIG_RTC is not set
780# CONFIG_DTLK is not set
781# CONFIG_R3964 is not set
782# CONFIG_APPLICOM is not set
783
784#
785# Ftape, the floppy tape device driver
786#
787# CONFIG_DRM is not set
788# CONFIG_RAW_DRIVER is not set
789
790#
791# TPM devices
792#
793# CONFIG_TCG_TPM is not set
794# CONFIG_TELCLOCK is not set
795
796#
797# I2C support
798#
799CONFIG_I2C=y
800CONFIG_I2C_CHARDEV=y
801
802#
803# I2C Algorithms
804#
805CONFIG_I2C_ALGOBIT=y
806# CONFIG_I2C_ALGOPCF is not set
807# CONFIG_I2C_ALGOPCA is not set
808
809#
810# I2C Hardware Bus support
811#
812# CONFIG_I2C_ALI1535 is not set
813# CONFIG_I2C_ALI1563 is not set
814# CONFIG_I2C_ALI15X3 is not set
815# CONFIG_I2C_AMD756 is not set
816# CONFIG_I2C_AMD8111 is not set
817# CONFIG_I2C_I801 is not set
818# CONFIG_I2C_I810 is not set
819# CONFIG_I2C_PIIX4 is not set
820# CONFIG_I2C_NFORCE2 is not set
821# CONFIG_I2C_PARPORT_LIGHT is not set
822# CONFIG_I2C_PROSAVAGE is not set
823# CONFIG_I2C_SAVAGE4 is not set
824# CONFIG_SCx200_ACB is not set
825# CONFIG_I2C_SIS5595 is not set
826# CONFIG_I2C_SIS630 is not set
827# CONFIG_I2C_SIS96X is not set
828# CONFIG_I2C_STUB is not set
829# CONFIG_I2C_VIA is not set
830# CONFIG_I2C_VIAPRO is not set
831# CONFIG_I2C_VOODOO3 is not set
832# CONFIG_I2C_PCA_ISA is not set
833
834#
835# Miscellaneous I2C Chip support
836#
837# CONFIG_SENSORS_DS1337 is not set
838# CONFIG_SENSORS_DS1374 is not set
839CONFIG_SENSORS_EEPROM=y
840# CONFIG_SENSORS_PCF8574 is not set
841# CONFIG_SENSORS_PCA9539 is not set
842# CONFIG_SENSORS_PCF8591 is not set
843# CONFIG_SENSORS_RTC8564 is not set
844# CONFIG_SENSORS_MAX6875 is not set
845# CONFIG_RTC_X1205_I2C is not set
846# CONFIG_I2C_DEBUG_CORE is not set
847# CONFIG_I2C_DEBUG_ALGO is not set
848# CONFIG_I2C_DEBUG_BUS is not set
849# CONFIG_I2C_DEBUG_CHIP is not set
850
851#
852# SPI support
853#
854# CONFIG_SPI is not set
855# CONFIG_SPI_MASTER is not set
856
857#
858# Dallas's 1-wire bus
859#
860# CONFIG_W1 is not set
861
862#
863# Hardware Monitoring support
864#
865CONFIG_HWMON=y
866# CONFIG_HWMON_VID is not set
867# CONFIG_SENSORS_ADM1021 is not set
868# CONFIG_SENSORS_ADM1025 is not set
869# CONFIG_SENSORS_ADM1026 is not set
870# CONFIG_SENSORS_ADM1031 is not set
871# CONFIG_SENSORS_ADM9240 is not set
872# CONFIG_SENSORS_ASB100 is not set
873# CONFIG_SENSORS_ATXP1 is not set
874# CONFIG_SENSORS_DS1621 is not set
875# CONFIG_SENSORS_F71805F is not set
876# CONFIG_SENSORS_FSCHER is not set
877# CONFIG_SENSORS_FSCPOS is not set
878# CONFIG_SENSORS_GL518SM is not set
879# CONFIG_SENSORS_GL520SM is not set
880# CONFIG_SENSORS_IT87 is not set
881# CONFIG_SENSORS_LM63 is not set
882# CONFIG_SENSORS_LM75 is not set
883# CONFIG_SENSORS_LM77 is not set
884# CONFIG_SENSORS_LM78 is not set
885# CONFIG_SENSORS_LM80 is not set
886# CONFIG_SENSORS_LM83 is not set
887# CONFIG_SENSORS_LM85 is not set
888# CONFIG_SENSORS_LM87 is not set
889# CONFIG_SENSORS_LM90 is not set
890# CONFIG_SENSORS_LM92 is not set
891# CONFIG_SENSORS_MAX1619 is not set
892# CONFIG_SENSORS_PC87360 is not set
893# CONFIG_SENSORS_SIS5595 is not set
894# CONFIG_SENSORS_SMSC47M1 is not set
895# CONFIG_SENSORS_SMSC47B397 is not set
896# CONFIG_SENSORS_VIA686A is not set
897# CONFIG_SENSORS_VT8231 is not set
898# CONFIG_SENSORS_W83781D is not set
899# CONFIG_SENSORS_W83792D is not set
900# CONFIG_SENSORS_W83L785TS is not set
901# CONFIG_SENSORS_W83627HF is not set
902# CONFIG_SENSORS_W83627EHF is not set
903# CONFIG_HWMON_DEBUG_CHIP is not set
904
905#
906# Misc devices
907#
908
909#
910# Multimedia Capabilities Port drivers
911#
912
913#
914# Multimedia devices
915#
916# CONFIG_VIDEO_DEV is not set
917
918#
919# Digital Video Broadcasting Devices
920#
921# CONFIG_DVB is not set
922
923#
924# Graphics support
925#
926# CONFIG_FB is not set
927
928#
929# Sound
930#
931# CONFIG_SOUND is not set
932
933#
934# USB support
935#
936CONFIG_USB_ARCH_HAS_HCD=y
937CONFIG_USB_ARCH_HAS_OHCI=y
938CONFIG_USB=y
939# CONFIG_USB_DEBUG is not set
940
941#
942# Miscellaneous USB options
943#
944# CONFIG_USB_DEVICEFS is not set
945# CONFIG_USB_BANDWIDTH is not set
946# CONFIG_USB_DYNAMIC_MINORS is not set
947# CONFIG_USB_OTG is not set
948
949#
950# USB Host Controller Drivers
951#
952CONFIG_USB_EHCI_HCD=y
953# CONFIG_USB_EHCI_SPLIT_ISO is not set
954# CONFIG_USB_EHCI_ROOT_HUB_TT is not set
955# CONFIG_USB_ISP116X_HCD is not set
956CONFIG_USB_OHCI_HCD=y
957# CONFIG_USB_OHCI_BIG_ENDIAN is not set
958CONFIG_USB_OHCI_LITTLE_ENDIAN=y
959CONFIG_USB_UHCI_HCD=y
960# CONFIG_USB_SL811_HCD is not set
961
962#
963# USB Device Class drivers
964#
965# CONFIG_USB_ACM is not set
966# CONFIG_USB_PRINTER is not set
967
968#
969# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
970#
971
972#
973# may also be needed; see USB_STORAGE Help for more information
974#
975CONFIG_USB_STORAGE=y
976# CONFIG_USB_STORAGE_DEBUG is not set
977# CONFIG_USB_STORAGE_DATAFAB is not set
978# CONFIG_USB_STORAGE_FREECOM is not set
979# CONFIG_USB_STORAGE_ISD200 is not set
980# CONFIG_USB_STORAGE_DPCM is not set
981# CONFIG_USB_STORAGE_USBAT is not set
982# CONFIG_USB_STORAGE_SDDR09 is not set
983# CONFIG_USB_STORAGE_SDDR55 is not set
984# CONFIG_USB_STORAGE_JUMPSHOT is not set
985# CONFIG_USB_STORAGE_ALAUDA is not set
986# CONFIG_USB_LIBUSUAL is not set
987
988#
989# USB Input Devices
990#
991# CONFIG_USB_HID is not set
992
993#
994# USB HID Boot Protocol drivers
995#
996# CONFIG_USB_KBD is not set
997# CONFIG_USB_MOUSE is not set
998# CONFIG_USB_AIPTEK is not set
999# CONFIG_USB_WACOM is not set
1000# CONFIG_USB_ACECAD is not set
1001# CONFIG_USB_KBTAB is not set
1002# CONFIG_USB_POWERMATE is not set
1003# CONFIG_USB_MTOUCH is not set
1004# CONFIG_USB_ITMTOUCH is not set
1005# CONFIG_USB_EGALAX is not set
1006# CONFIG_USB_YEALINK is not set
1007# CONFIG_USB_XPAD is not set
1008# CONFIG_USB_ATI_REMOTE is not set
1009# CONFIG_USB_ATI_REMOTE2 is not set
1010# CONFIG_USB_KEYSPAN_REMOTE is not set
1011# CONFIG_USB_APPLETOUCH is not set
1012
1013#
1014# USB Imaging devices
1015#
1016# CONFIG_USB_MDC800 is not set
1017# CONFIG_USB_MICROTEK is not set
1018
1019#
1020# USB Multimedia devices
1021#
1022# CONFIG_USB_DABUSB is not set
1023
1024#
1025# Video4Linux support is needed for USB Multimedia device support
1026#
1027
1028#
1029# USB Network Adapters
1030#
1031# CONFIG_USB_CATC is not set
1032# CONFIG_USB_KAWETH is not set
1033# CONFIG_USB_PEGASUS is not set
1034# CONFIG_USB_RTL8150 is not set
1035# CONFIG_USB_USBNET is not set
1036CONFIG_USB_MON=y
1037
1038#
1039# USB port drivers
1040#
1041
1042#
1043# USB Serial Converter support
1044#
1045# CONFIG_USB_SERIAL is not set
1046
1047#
1048# USB Miscellaneous drivers
1049#
1050# CONFIG_USB_EMI62 is not set
1051# CONFIG_USB_EMI26 is not set
1052# CONFIG_USB_AUERSWALD is not set
1053# CONFIG_USB_RIO500 is not set
1054# CONFIG_USB_LEGOTOWER is not set
1055# CONFIG_USB_LCD is not set
1056# CONFIG_USB_LED is not set
1057# CONFIG_USB_CYTHERM is not set
1058# CONFIG_USB_PHIDGETKIT is not set
1059# CONFIG_USB_PHIDGETSERVO is not set
1060# CONFIG_USB_IDMOUSE is not set
1061# CONFIG_USB_SISUSBVGA is not set
1062# CONFIG_USB_LD is not set
1063
1064#
1065# USB DSL modem support
1066#
1067
1068#
1069# USB Gadget Support
1070#
1071# CONFIG_USB_GADGET is not set
1072
1073#
1074# MMC/SD Card support
1075#
1076# CONFIG_MMC is not set
1077
1078#
1079# File systems
1080#
1081CONFIG_EXT2_FS=y
1082CONFIG_EXT2_FS_XATTR=y
1083CONFIG_EXT2_FS_POSIX_ACL=y
1084# CONFIG_EXT2_FS_SECURITY is not set
1085# CONFIG_EXT2_FS_XIP is not set
1086CONFIG_EXT3_FS=y
1087CONFIG_EXT3_FS_XATTR=y
1088CONFIG_EXT3_FS_POSIX_ACL=y
1089# CONFIG_EXT3_FS_SECURITY is not set
1090CONFIG_JBD=y
1091# CONFIG_JBD_DEBUG is not set
1092CONFIG_FS_MBCACHE=y
1093# CONFIG_REISERFS_FS is not set
1094# CONFIG_JFS_FS is not set
1095CONFIG_FS_POSIX_ACL=y
1096# CONFIG_XFS_FS is not set
1097# CONFIG_OCFS2_FS is not set
1098# CONFIG_MINIX_FS is not set
1099# CONFIG_ROMFS_FS is not set
1100CONFIG_INOTIFY=y
1101# CONFIG_QUOTA is not set
1102CONFIG_DNOTIFY=y
1103# CONFIG_AUTOFS_FS is not set
1104# CONFIG_AUTOFS4_FS is not set
1105# CONFIG_FUSE_FS is not set
1106
1107#
1108# CD-ROM/DVD Filesystems
1109#
1110# CONFIG_ISO9660_FS is not set
1111# CONFIG_UDF_FS is not set
1112
1113#
1114# DOS/FAT/NT Filesystems
1115#
1116CONFIG_FAT_FS=y
1117CONFIG_MSDOS_FS=y
1118# CONFIG_VFAT_FS is not set
1119CONFIG_FAT_DEFAULT_CODEPAGE=437
1120# CONFIG_NTFS_FS is not set
1121
1122#
1123# Pseudo filesystems
1124#
1125CONFIG_PROC_FS=y
1126CONFIG_SYSFS=y
1127CONFIG_TMPFS=y
1128# CONFIG_HUGETLB_PAGE is not set
1129CONFIG_RAMFS=y
1130# CONFIG_RELAYFS_FS is not set
1131# CONFIG_CONFIGFS_FS is not set
1132
1133#
1134# Miscellaneous filesystems
1135#
1136# CONFIG_ADFS_FS is not set
1137# CONFIG_AFFS_FS is not set
1138# CONFIG_HFS_FS is not set
1139# CONFIG_HFSPLUS_FS is not set
1140# CONFIG_BEFS_FS is not set
1141# CONFIG_BFS_FS is not set
1142# CONFIG_EFS_FS is not set
1143# CONFIG_JFFS_FS is not set
1144CONFIG_JFFS2_FS=y
1145CONFIG_JFFS2_FS_DEBUG=0
1146CONFIG_JFFS2_FS_WRITEBUFFER=y
1147# CONFIG_JFFS2_SUMMARY is not set
1148# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
1149CONFIG_JFFS2_ZLIB=y
1150CONFIG_JFFS2_RTIME=y
1151# CONFIG_JFFS2_RUBIN is not set
1152# CONFIG_CRAMFS is not set
1153# CONFIG_VXFS_FS is not set
1154# CONFIG_HPFS_FS is not set
1155# CONFIG_QNX4FS_FS is not set
1156# CONFIG_SYSV_FS is not set
1157# CONFIG_UFS_FS is not set
1158
1159#
1160# Network File Systems
1161#
1162CONFIG_NFS_FS=y
1163CONFIG_NFS_V3=y
1164# CONFIG_NFS_V3_ACL is not set
1165# CONFIG_NFS_V4 is not set
1166# CONFIG_NFS_DIRECTIO is not set
1167# CONFIG_NFSD is not set
1168CONFIG_ROOT_NFS=y
1169CONFIG_LOCKD=y
1170CONFIG_LOCKD_V4=y
1171CONFIG_NFS_COMMON=y
1172CONFIG_SUNRPC=y
1173# CONFIG_RPCSEC_GSS_KRB5 is not set
1174# CONFIG_RPCSEC_GSS_SPKM3 is not set
1175# CONFIG_SMB_FS is not set
1176# CONFIG_CIFS is not set
1177# CONFIG_NCP_FS is not set
1178# CONFIG_CODA_FS is not set
1179# CONFIG_AFS_FS is not set
1180# CONFIG_9P_FS is not set
1181
1182#
1183# Partition Types
1184#
1185CONFIG_PARTITION_ADVANCED=y
1186# CONFIG_ACORN_PARTITION is not set
1187# CONFIG_OSF_PARTITION is not set
1188# CONFIG_AMIGA_PARTITION is not set
1189# CONFIG_ATARI_PARTITION is not set
1190# CONFIG_MAC_PARTITION is not set
1191CONFIG_MSDOS_PARTITION=y
1192# CONFIG_BSD_DISKLABEL is not set
1193# CONFIG_MINIX_SUBPARTITION is not set
1194# CONFIG_SOLARIS_X86_PARTITION is not set
1195# CONFIG_UNIXWARE_DISKLABEL is not set
1196# CONFIG_LDM_PARTITION is not set
1197# CONFIG_SGI_PARTITION is not set
1198# CONFIG_ULTRIX_PARTITION is not set
1199# CONFIG_SUN_PARTITION is not set
1200# CONFIG_KARMA_PARTITION is not set
1201# CONFIG_EFI_PARTITION is not set
1202
1203#
1204# Native Language Support
1205#
1206CONFIG_NLS=y
1207CONFIG_NLS_DEFAULT="iso8859-1"
1208CONFIG_NLS_CODEPAGE_437=y
1209# CONFIG_NLS_CODEPAGE_737 is not set
1210# CONFIG_NLS_CODEPAGE_775 is not set
1211# CONFIG_NLS_CODEPAGE_850 is not set
1212# CONFIG_NLS_CODEPAGE_852 is not set
1213# CONFIG_NLS_CODEPAGE_855 is not set
1214# CONFIG_NLS_CODEPAGE_857 is not set
1215# CONFIG_NLS_CODEPAGE_860 is not set
1216# CONFIG_NLS_CODEPAGE_861 is not set
1217# CONFIG_NLS_CODEPAGE_862 is not set
1218# CONFIG_NLS_CODEPAGE_863 is not set
1219# CONFIG_NLS_CODEPAGE_864 is not set
1220# CONFIG_NLS_CODEPAGE_865 is not set
1221# CONFIG_NLS_CODEPAGE_866 is not set
1222# CONFIG_NLS_CODEPAGE_869 is not set
1223# CONFIG_NLS_CODEPAGE_936 is not set
1224# CONFIG_NLS_CODEPAGE_950 is not set
1225# CONFIG_NLS_CODEPAGE_932 is not set
1226# CONFIG_NLS_CODEPAGE_949 is not set
1227# CONFIG_NLS_CODEPAGE_874 is not set
1228# CONFIG_NLS_ISO8859_8 is not set
1229# CONFIG_NLS_CODEPAGE_1250 is not set
1230# CONFIG_NLS_CODEPAGE_1251 is not set
1231# CONFIG_NLS_ASCII is not set
1232# CONFIG_NLS_ISO8859_1 is not set
1233# CONFIG_NLS_ISO8859_2 is not set
1234# CONFIG_NLS_ISO8859_3 is not set
1235# CONFIG_NLS_ISO8859_4 is not set
1236# CONFIG_NLS_ISO8859_5 is not set
1237# CONFIG_NLS_ISO8859_6 is not set
1238# CONFIG_NLS_ISO8859_7 is not set
1239# CONFIG_NLS_ISO8859_9 is not set
1240# CONFIG_NLS_ISO8859_13 is not set
1241# CONFIG_NLS_ISO8859_14 is not set
1242# CONFIG_NLS_ISO8859_15 is not set
1243# CONFIG_NLS_KOI8_R is not set
1244# CONFIG_NLS_KOI8_U is not set
1245# CONFIG_NLS_UTF8 is not set
1246
1247#
1248# Profiling support
1249#
1250# CONFIG_PROFILING is not set
1251
1252#
1253# Kernel hacking
1254#
1255# CONFIG_PRINTK_TIME is not set
1256CONFIG_MAGIC_SYSRQ=y
1257CONFIG_DEBUG_KERNEL=y
1258CONFIG_LOG_BUF_SHIFT=14
1259CONFIG_DETECT_SOFTLOCKUP=y
1260# CONFIG_SCHEDSTATS is not set
1261# CONFIG_DEBUG_SLAB is not set
1262CONFIG_DEBUG_MUTEXES=y
1263# CONFIG_DEBUG_SPINLOCK is not set
1264# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
1265# CONFIG_DEBUG_KOBJECT is not set
1266CONFIG_DEBUG_BUGVERBOSE=y
1267# CONFIG_DEBUG_INFO is not set
1268# CONFIG_DEBUG_FS is not set
1269# CONFIG_DEBUG_VM is not set
1270CONFIG_FRAME_POINTER=y
1271CONFIG_FORCED_INLINING=y
1272# CONFIG_RCU_TORTURE_TEST is not set
1273CONFIG_DEBUG_USER=y
1274# CONFIG_DEBUG_WAITQ is not set
1275CONFIG_DEBUG_ERRORS=y
1276CONFIG_DEBUG_LL=y
1277# CONFIG_DEBUG_ICEDCC is not set
1278
1279#
1280# Security options
1281#
1282# CONFIG_KEYS is not set
1283# CONFIG_SECURITY is not set
1284
1285#
1286# Cryptographic options
1287#
1288# CONFIG_CRYPTO is not set
1289
1290#
1291# Hardware crypto devices
1292#
1293
1294#
1295# Library routines
1296#
1297# CONFIG_CRC_CCITT is not set
1298# CONFIG_CRC16 is not set
1299CONFIG_CRC32=y
1300# CONFIG_LIBCRC32C is not set
1301CONFIG_ZLIB_INFLATE=y
1302CONFIG_ZLIB_DEFLATE=y
diff --git a/arch/arm/lib/Makefile b/arch/arm/lib/Makefile
index 391f3ab3ff32..7b726b627ea5 100644
--- a/arch/arm/lib/Makefile
+++ b/arch/arm/lib/Makefile
@@ -18,7 +18,7 @@ lib-y := backtrace.o changebit.o csumipv6.o csumpartial.o \
18 18
19# the code in uaccess.S is not preemption safe and 19# the code in uaccess.S is not preemption safe and
20# probably faster on ARMv3 only 20# probably faster on ARMv3 only
21ifeq ($CONFIG_PREEMPT,y) 21ifeq ($(CONFIG_PREEMPT),y)
22 lib-y += copy_from_user.o copy_to_user.o 22 lib-y += copy_from_user.o copy_to_user.o
23else 23else
24ifneq ($(CONFIG_CPU_32v3),y) 24ifneq ($(CONFIG_CPU_32v3),y)
diff --git a/arch/arm/lib/copy_template.S b/arch/arm/lib/copy_template.S
index 838e435e4922..cab355c0c1f7 100644
--- a/arch/arm/lib/copy_template.S
+++ b/arch/arm/lib/copy_template.S
@@ -236,7 +236,7 @@
236 236
237 237
238/* 238/*
239 * Abort preanble and completion macros. 239 * Abort preamble and completion macros.
240 * If a fixup handler is required then those macros must surround it. 240 * If a fixup handler is required then those macros must surround it.
241 * It is assumed that the fixup code will handle the private part of 241 * It is assumed that the fixup code will handle the private part of
242 * the exit macro. 242 * the exit macro.
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index 865427bfad7e..2d892e4daa07 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -30,7 +30,9 @@
30#include <linux/time.h> 30#include <linux/time.h>
31#include <linux/timex.h> 31#include <linux/timex.h>
32#include <linux/delay.h> 32#include <linux/delay.h>
33#include <linux/termios.h>
33#include <linux/amba/bus.h> 34#include <linux/amba/bus.h>
35#include <linux/amba/serial.h>
34 36
35#include <asm/types.h> 37#include <asm/types.h>
36#include <asm/setup.h> 38#include <asm/setup.h>
@@ -360,6 +362,68 @@ void __init ep93xx_init_irq(void)
360/************************************************************************* 362/*************************************************************************
361 * EP93xx peripheral handling 363 * EP93xx peripheral handling
362 *************************************************************************/ 364 *************************************************************************/
365#define EP93XX_UART_MCR_OFFSET (0x0100)
366
367static void ep93xx_uart_set_mctrl(struct amba_device *dev,
368 void __iomem *base, unsigned int mctrl)
369{
370 unsigned int mcr;
371
372 mcr = 0;
373 if (!(mctrl & TIOCM_RTS))
374 mcr |= 2;
375 if (!(mctrl & TIOCM_DTR))
376 mcr |= 1;
377
378 __raw_writel(mcr, base + EP93XX_UART_MCR_OFFSET);
379}
380
381static struct amba_pl010_data ep93xx_uart_data = {
382 .set_mctrl = ep93xx_uart_set_mctrl,
383};
384
385static struct amba_device uart1_device = {
386 .dev = {
387 .bus_id = "apb:uart1",
388 .platform_data = &ep93xx_uart_data,
389 },
390 .res = {
391 .start = EP93XX_UART1_PHYS_BASE,
392 .end = EP93XX_UART1_PHYS_BASE + 0x0fff,
393 .flags = IORESOURCE_MEM,
394 },
395 .irq = { IRQ_EP93XX_UART1, NO_IRQ },
396 .periphid = 0x00041010,
397};
398
399static struct amba_device uart2_device = {
400 .dev = {
401 .bus_id = "apb:uart2",
402 .platform_data = &ep93xx_uart_data,
403 },
404 .res = {
405 .start = EP93XX_UART2_PHYS_BASE,
406 .end = EP93XX_UART2_PHYS_BASE + 0x0fff,
407 .flags = IORESOURCE_MEM,
408 },
409 .irq = { IRQ_EP93XX_UART2, NO_IRQ },
410 .periphid = 0x00041010,
411};
412
413static struct amba_device uart3_device = {
414 .dev = {
415 .bus_id = "apb:uart3",
416 .platform_data = &ep93xx_uart_data,
417 },
418 .res = {
419 .start = EP93XX_UART3_PHYS_BASE,
420 .end = EP93XX_UART3_PHYS_BASE + 0x0fff,
421 .flags = IORESOURCE_MEM,
422 },
423 .irq = { IRQ_EP93XX_UART3, NO_IRQ },
424 .periphid = 0x00041010,
425};
426
363void __init ep93xx_init_devices(void) 427void __init ep93xx_init_devices(void)
364{ 428{
365 unsigned int v; 429 unsigned int v;
@@ -371,4 +435,8 @@ void __init ep93xx_init_devices(void)
371 v &= ~EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE; 435 v &= ~EP93XX_SYSCON_DEVICE_CONFIG_CRUNCH_ENABLE;
372 __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK); 436 __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK);
373 __raw_writel(v, EP93XX_SYSCON_DEVICE_CONFIG); 437 __raw_writel(v, EP93XX_SYSCON_DEVICE_CONFIG);
438
439 amba_device_register(&uart1_device, &iomem_resource);
440 amba_device_register(&uart2_device, &iomem_resource);
441 amba_device_register(&uart3_device, &iomem_resource);
374} 442}
diff --git a/arch/arm/mach-footbridge/time.c b/arch/arm/mach-footbridge/time.c
index 2c64a0b0502e..5d02e95dede3 100644
--- a/arch/arm/mach-footbridge/time.c
+++ b/arch/arm/mach-footbridge/time.c
@@ -34,27 +34,12 @@ static int rtc_base;
34static unsigned long __init get_isa_cmos_time(void) 34static unsigned long __init get_isa_cmos_time(void)
35{ 35{
36 unsigned int year, mon, day, hour, min, sec; 36 unsigned int year, mon, day, hour, min, sec;
37 int i;
38 37
39 // check to see if the RTC makes sense..... 38 // check to see if the RTC makes sense.....
40 if ((CMOS_READ(RTC_VALID) & RTC_VRT) == 0) 39 if ((CMOS_READ(RTC_VALID) & RTC_VRT) == 0)
41 return mktime(1970, 1, 1, 0, 0, 0); 40 return mktime(1970, 1, 1, 0, 0, 0);
42 41
43 /* The Linux interpretation of the CMOS clock register contents: 42 do {
44 * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
45 * RTC registers show the second which has precisely just started.
46 * Let's hope other operating systems interpret the RTC the same way.
47 */
48 /* read RTC exactly on falling edge of update flag */
49 for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
50 if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
51 break;
52
53 for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
54 if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
55 break;
56
57 do { /* Isn't this overkill ? UIP above should guarantee consistency */
58 sec = CMOS_READ(RTC_SECONDS); 43 sec = CMOS_READ(RTC_SECONDS);
59 min = CMOS_READ(RTC_MINUTES); 44 min = CMOS_READ(RTC_MINUTES);
60 hour = CMOS_READ(RTC_HOURS); 45 hour = CMOS_READ(RTC_HOURS);
diff --git a/arch/arm/mach-integrator/core.c b/arch/arm/mach-integrator/core.c
index 20071a2767cc..576a5e979c00 100644
--- a/arch/arm/mach-integrator/core.c
+++ b/arch/arm/mach-integrator/core.c
@@ -15,7 +15,9 @@
15#include <linux/interrupt.h> 15#include <linux/interrupt.h>
16#include <linux/sched.h> 16#include <linux/sched.h>
17#include <linux/smp.h> 17#include <linux/smp.h>
18#include <linux/termios.h>
18#include <linux/amba/bus.h> 19#include <linux/amba/bus.h>
20#include <linux/amba/serial.h>
19 21
20#include <asm/hardware.h> 22#include <asm/hardware.h>
21#include <asm/irq.h> 23#include <asm/irq.h>
@@ -28,6 +30,8 @@
28 30
29#include "common.h" 31#include "common.h"
30 32
33static struct amba_pl010_data integrator_uart_data;
34
31static struct amba_device rtc_device = { 35static struct amba_device rtc_device = {
32 .dev = { 36 .dev = {
33 .bus_id = "mb:15", 37 .bus_id = "mb:15",
@@ -44,6 +48,7 @@ static struct amba_device rtc_device = {
44static struct amba_device uart0_device = { 48static struct amba_device uart0_device = {
45 .dev = { 49 .dev = {
46 .bus_id = "mb:16", 50 .bus_id = "mb:16",
51 .platform_data = &integrator_uart_data,
47 }, 52 },
48 .res = { 53 .res = {
49 .start = INTEGRATOR_UART0_BASE, 54 .start = INTEGRATOR_UART0_BASE,
@@ -57,6 +62,7 @@ static struct amba_device uart0_device = {
57static struct amba_device uart1_device = { 62static struct amba_device uart1_device = {
58 .dev = { 63 .dev = {
59 .bus_id = "mb:17", 64 .bus_id = "mb:17",
65 .platform_data = &integrator_uart_data,
60 }, 66 },
61 .res = { 67 .res = {
62 .start = INTEGRATOR_UART1_BASE, 68 .start = INTEGRATOR_UART1_BASE,
@@ -115,6 +121,46 @@ static int __init integrator_init(void)
115 121
116arch_initcall(integrator_init); 122arch_initcall(integrator_init);
117 123
124/*
125 * On the Integrator platform, the port RTS and DTR are provided by
126 * bits in the following SC_CTRLS register bits:
127 * RTS DTR
128 * UART0 7 6
129 * UART1 5 4
130 */
131#define SC_CTRLC (IO_ADDRESS(INTEGRATOR_SC_BASE) + INTEGRATOR_SC_CTRLC_OFFSET)
132#define SC_CTRLS (IO_ADDRESS(INTEGRATOR_SC_BASE) + INTEGRATOR_SC_CTRLS_OFFSET)
133
134static void integrator_uart_set_mctrl(struct amba_device *dev, void __iomem *base, unsigned int mctrl)
135{
136 unsigned int ctrls = 0, ctrlc = 0, rts_mask, dtr_mask;
137
138 if (dev == &uart0_device) {
139 rts_mask = 1 << 4;
140 dtr_mask = 1 << 5;
141 } else {
142 rts_mask = 1 << 6;
143 dtr_mask = 1 << 7;
144 }
145
146 if (mctrl & TIOCM_RTS)
147 ctrlc |= rts_mask;
148 else
149 ctrls |= rts_mask;
150
151 if (mctrl & TIOCM_DTR)
152 ctrlc |= dtr_mask;
153 else
154 ctrls |= dtr_mask;
155
156 __raw_writel(ctrls, SC_CTRLS);
157 __raw_writel(ctrlc, SC_CTRLC);
158}
159
160static struct amba_pl010_data integrator_uart_data = {
161 .set_mctrl = integrator_uart_set_mctrl,
162};
163
118#define CM_CTRL IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_CTRL_OFFSET 164#define CM_CTRL IO_ADDRESS(INTEGRATOR_HDR_BASE) + INTEGRATOR_HDR_CTRL_OFFSET
119 165
120static DEFINE_SPINLOCK(cm_lock); 166static DEFINE_SPINLOCK(cm_lock);
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
index 3c22c16b38bf..bc07f52a6fd7 100644
--- a/arch/arm/mach-integrator/time.c
+++ b/arch/arm/mach-integrator/time.c
@@ -40,13 +40,13 @@ static int integrator_set_rtc(void)
40 return 1; 40 return 1;
41} 41}
42 42
43static int rtc_read_alarm(struct rtc_wkalrm *alrm) 43static int integrator_rtc_read_alarm(struct rtc_wkalrm *alrm)
44{ 44{
45 rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time); 45 rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time);
46 return 0; 46 return 0;
47} 47}
48 48
49static inline int rtc_set_alarm(struct rtc_wkalrm *alrm) 49static inline int integrator_rtc_set_alarm(struct rtc_wkalrm *alrm)
50{ 50{
51 unsigned long time; 51 unsigned long time;
52 int ret; 52 int ret;
@@ -62,7 +62,7 @@ static inline int rtc_set_alarm(struct rtc_wkalrm *alrm)
62 return ret; 62 return ret;
63} 63}
64 64
65static int rtc_read_time(struct rtc_time *tm) 65static int integrator_rtc_read_time(struct rtc_time *tm)
66{ 66{
67 rtc_time_to_tm(readl(rtc_base + RTC_DR), tm); 67 rtc_time_to_tm(readl(rtc_base + RTC_DR), tm);
68 return 0; 68 return 0;
@@ -76,7 +76,7 @@ static int rtc_read_time(struct rtc_time *tm)
76 * edge of the 1Hz clock, we must write the time one second 76 * edge of the 1Hz clock, we must write the time one second
77 * in advance. 77 * in advance.
78 */ 78 */
79static inline int rtc_set_time(struct rtc_time *tm) 79static inline int integrator_rtc_set_time(struct rtc_time *tm)
80{ 80{
81 unsigned long time; 81 unsigned long time;
82 int ret; 82 int ret;
@@ -90,10 +90,10 @@ static inline int rtc_set_time(struct rtc_time *tm)
90 90
91static struct rtc_ops rtc_ops = { 91static struct rtc_ops rtc_ops = {
92 .owner = THIS_MODULE, 92 .owner = THIS_MODULE,
93 .read_time = rtc_read_time, 93 .read_time = integrator_rtc_read_time,
94 .set_time = rtc_set_time, 94 .set_time = integrator_rtc_set_time,
95 .read_alarm = rtc_read_alarm, 95 .read_alarm = integrator_rtc_read_alarm,
96 .set_alarm = rtc_set_alarm, 96 .set_alarm = integrator_rtc_set_alarm,
97}; 97};
98 98
99static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id, 99static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id,
diff --git a/arch/arm/mach-ixp23xx/Kconfig b/arch/arm/mach-ixp23xx/Kconfig
new file mode 100644
index 000000000000..982670ec3866
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/Kconfig
@@ -0,0 +1,25 @@
1if ARCH_IXP23XX
2
3config ARCH_SUPPORTS_BIG_ENDIAN
4 bool
5 default y
6
7menu "Intel IXP23xx Implementation Options"
8
9comment "IXP23xx Platforms"
10
11config MACH_ESPRESSO
12 bool "Support IP Fabrics Double Espresso platform"
13 help
14
15config MACH_IXDP2351
16 bool "Support Intel IXDP2351 platform"
17 help
18
19config MACH_ROADRUNNER
20 bool "Support ADI RoadRunner platform"
21 help
22
23endmenu
24
25endif
diff --git a/arch/arm/mach-ixp23xx/Makefile b/arch/arm/mach-ixp23xx/Makefile
new file mode 100644
index 000000000000..288b371b6d03
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/Makefile
@@ -0,0 +1,11 @@
1#
2# Makefile for the linux kernel.
3#
4obj-y := core.o pci.o
5obj-m :=
6obj-n :=
7obj- :=
8
9obj-$(CONFIG_MACH_ESPRESSO) += espresso.o
10obj-$(CONFIG_MACH_IXDP2351) += ixdp2351.o
11obj-$(CONFIG_MACH_ROADRUNNER) += roadrunner.o
diff --git a/arch/arm/mach-ixp23xx/Makefile.boot b/arch/arm/mach-ixp23xx/Makefile.boot
new file mode 100644
index 000000000000..d5561ad15bad
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/Makefile.boot
@@ -0,0 +1,2 @@
1 zreladdr-y := 0x00008000
2params_phys-y := 0x00000100
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
new file mode 100644
index 000000000000..092ee12ced42
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -0,0 +1,431 @@
1/*
2 * arch/arm/mach-ixp23xx/core.c
3 *
4 * Core routines for IXP23xx chips
5 *
6 * Author: Deepak Saxena <dsaxena@plexity.net>
7 *
8 * Copyright 2005 (c) MontaVista Software, Inc.
9 *
10 * Based on 2.4 code Copyright 2004 (c) Intel Corporation
11 *
12 * This file is licensed under the terms of the GNU General Public
13 * License version 2. This program is licensed "as is" without any
14 * warranty of any kind, whether express or implied.
15 */
16
17#include <linux/config.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/spinlock.h>
21#include <linux/sched.h>
22#include <linux/interrupt.h>
23#include <linux/serial.h>
24#include <linux/tty.h>
25#include <linux/bitops.h>
26#include <linux/serial.h>
27#include <linux/serial_8250.h>
28#include <linux/serial_core.h>
29#include <linux/device.h>
30#include <linux/mm.h>
31#include <linux/time.h>
32#include <linux/timex.h>
33
34#include <asm/types.h>
35#include <asm/setup.h>
36#include <asm/memory.h>
37#include <asm/hardware.h>
38#include <asm/mach-types.h>
39#include <asm/irq.h>
40#include <asm/system.h>
41#include <asm/tlbflush.h>
42#include <asm/pgtable.h>
43
44#include <asm/mach/map.h>
45#include <asm/mach/time.h>
46#include <asm/mach/irq.h>
47#include <asm/mach/arch.h>
48
49
50/*************************************************************************
51 * Chip specific mappings shared by all IXP23xx systems
52 *************************************************************************/
53static struct map_desc ixp23xx_io_desc[] __initdata = {
54 { /* XSI-CPP CSRs */
55 .virtual = IXP23XX_XSI2CPP_CSR_VIRT,
56 .pfn = __phys_to_pfn(IXP23XX_XSI2CPP_CSR_PHYS),
57 .length = IXP23XX_XSI2CPP_CSR_SIZE,
58 .type = MT_DEVICE,
59 }, { /* Expansion Bus Config */
60 .virtual = IXP23XX_EXP_CFG_VIRT,
61 .pfn = __phys_to_pfn(IXP23XX_EXP_CFG_PHYS),
62 .length = IXP23XX_EXP_CFG_SIZE,
63 .type = MT_DEVICE,
64 }, { /* UART, Interrupt ctrl, GPIO, timers, NPEs, MACS,.... */
65 .virtual = IXP23XX_PERIPHERAL_VIRT,
66 .pfn = __phys_to_pfn(IXP23XX_PERIPHERAL_PHYS),
67 .length = IXP23XX_PERIPHERAL_SIZE,
68 .type = MT_DEVICE,
69 }, { /* CAP CSRs */
70 .virtual = IXP23XX_CAP_CSR_VIRT,
71 .pfn = __phys_to_pfn(IXP23XX_CAP_CSR_PHYS),
72 .length = IXP23XX_CAP_CSR_SIZE,
73 .type = MT_DEVICE,
74 }, { /* MSF CSRs */
75 .virtual = IXP23XX_MSF_CSR_VIRT,
76 .pfn = __phys_to_pfn(IXP23XX_MSF_CSR_PHYS),
77 .length = IXP23XX_MSF_CSR_SIZE,
78 .type = MT_DEVICE,
79 }, { /* PCI I/O Space */
80 .virtual = IXP23XX_PCI_IO_VIRT,
81 .pfn = __phys_to_pfn(IXP23XX_PCI_IO_PHYS),
82 .length = IXP23XX_PCI_IO_SIZE,
83 .type = MT_DEVICE,
84 }, { /* PCI Config Space */
85 .virtual = IXP23XX_PCI_CFG_VIRT,
86 .pfn = __phys_to_pfn(IXP23XX_PCI_CFG_PHYS),
87 .length = IXP23XX_PCI_CFG_SIZE,
88 .type = MT_DEVICE,
89 }, { /* PCI local CFG CSRs */
90 .virtual = IXP23XX_PCI_CREG_VIRT,
91 .pfn = __phys_to_pfn(IXP23XX_PCI_CREG_PHYS),
92 .length = IXP23XX_PCI_CREG_SIZE,
93 .type = MT_DEVICE,
94 }, { /* PCI MEM Space */
95 .virtual = IXP23XX_PCI_MEM_VIRT,
96 .pfn = __phys_to_pfn(IXP23XX_PCI_MEM_PHYS),
97 .length = IXP23XX_PCI_MEM_SIZE,
98 .type = MT_DEVICE,
99 }
100};
101
102void __init ixp23xx_map_io(void)
103{
104 iotable_init(ixp23xx_io_desc, ARRAY_SIZE(ixp23xx_io_desc));
105}
106
107
108/***************************************************************************
109 * IXP23xx Interrupt Handling
110 ***************************************************************************/
111enum ixp23xx_irq_type {
112 IXP23XX_IRQ_LEVEL, IXP23XX_IRQ_EDGE
113};
114
115static void ixp23xx_config_irq(unsigned int, enum ixp23xx_irq_type);
116
117static int ixp23xx_irq_set_type(unsigned int irq, unsigned int type)
118{
119 int line = irq - IRQ_IXP23XX_GPIO6 + 6;
120 u32 int_style;
121 enum ixp23xx_irq_type irq_type;
122 volatile u32 *int_reg;
123
124 /*
125 * Only GPIOs 6-15 are wired to interrupts on IXP23xx
126 */
127 if (line < 6 || line > 15)
128 return -EINVAL;
129
130 switch (type) {
131 case IRQT_BOTHEDGE:
132 int_style = IXP23XX_GPIO_STYLE_TRANSITIONAL;
133 irq_type = IXP23XX_IRQ_EDGE;
134 break;
135 case IRQT_RISING:
136 int_style = IXP23XX_GPIO_STYLE_RISING_EDGE;
137 irq_type = IXP23XX_IRQ_EDGE;
138 break;
139 case IRQT_FALLING:
140 int_style = IXP23XX_GPIO_STYLE_FALLING_EDGE;
141 irq_type = IXP23XX_IRQ_EDGE;
142 break;
143 case IRQT_HIGH:
144 int_style = IXP23XX_GPIO_STYLE_ACTIVE_HIGH;
145 irq_type = IXP23XX_IRQ_LEVEL;
146 break;
147 case IRQT_LOW:
148 int_style = IXP23XX_GPIO_STYLE_ACTIVE_LOW;
149 irq_type = IXP23XX_IRQ_LEVEL;
150 break;
151 default:
152 return -EINVAL;
153 }
154
155 ixp23xx_config_irq(irq, irq_type);
156
157 if (line >= 8) { /* pins 8-15 */
158 line -= 8;
159 int_reg = (volatile u32 *)IXP23XX_GPIO_GPIT2R;
160 } else { /* pins 0-7 */
161 int_reg = (volatile u32 *)IXP23XX_GPIO_GPIT1R;
162 }
163
164 /*
165 * Clear pending interrupts
166 */
167 *IXP23XX_GPIO_GPISR = (1 << line);
168
169 /* Clear the style for the appropriate pin */
170 *int_reg &= ~(IXP23XX_GPIO_STYLE_MASK <<
171 (line * IXP23XX_GPIO_STYLE_SIZE));
172
173 /* Set the new style */
174 *int_reg |= (int_style << (line * IXP23XX_GPIO_STYLE_SIZE));
175
176 return 0;
177}
178
179static void ixp23xx_irq_mask(unsigned int irq)
180{
181 volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
182
183 *intr_reg &= ~(1 << (irq % 32));
184}
185
186static void ixp23xx_irq_ack(unsigned int irq)
187{
188 int line = irq - IRQ_IXP23XX_GPIO6 + 6;
189
190 if ((line < 6) || (line > 15))
191 return;
192
193 *IXP23XX_GPIO_GPISR = (1 << line);
194}
195
196/*
197 * Level triggered interrupts on GPIO lines can only be cleared when the
198 * interrupt condition disappears.
199 */
200static void ixp23xx_irq_level_unmask(unsigned int irq)
201{
202 volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
203
204 ixp23xx_irq_ack(irq);
205
206 *intr_reg |= (1 << (irq % 32));
207}
208
209static void ixp23xx_irq_edge_unmask(unsigned int irq)
210{
211 volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
212
213 *intr_reg |= (1 << (irq % 32));
214}
215
216static struct irqchip ixp23xx_irq_level_chip = {
217 .ack = ixp23xx_irq_mask,
218 .mask = ixp23xx_irq_mask,
219 .unmask = ixp23xx_irq_level_unmask,
220 .set_type = ixp23xx_irq_set_type
221};
222
223static struct irqchip ixp23xx_irq_edge_chip = {
224 .ack = ixp23xx_irq_ack,
225 .mask = ixp23xx_irq_mask,
226 .unmask = ixp23xx_irq_edge_unmask,
227 .set_type = ixp23xx_irq_set_type
228};
229
230static void ixp23xx_pci_irq_mask(unsigned int irq)
231{
232 *IXP23XX_PCI_XSCALE_INT_ENABLE &= ~(1 << (IRQ_IXP23XX_INTA + 27 - irq));
233}
234
235static void ixp23xx_pci_irq_unmask(unsigned int irq)
236{
237 *IXP23XX_PCI_XSCALE_INT_ENABLE |= (1 << (IRQ_IXP23XX_INTA + 27 - irq));
238}
239
240/*
241 * TODO: Should this just be done at ASM level?
242 */
243static void pci_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
244{
245 u32 pci_interrupt;
246 unsigned int irqno;
247 struct irqdesc *int_desc;
248
249 pci_interrupt = *IXP23XX_PCI_XSCALE_INT_STATUS;
250
251 desc->chip->ack(irq);
252
253 /* See which PCI_INTA, or PCI_INTB interrupted */
254 if (pci_interrupt & (1 << 26)) {
255 irqno = IRQ_IXP23XX_INTB;
256 } else if (pci_interrupt & (1 << 27)) {
257 irqno = IRQ_IXP23XX_INTA;
258 } else {
259 BUG();
260 }
261
262 int_desc = irq_desc + irqno;
263 int_desc->handle(irqno, int_desc, regs);
264
265 desc->chip->unmask(irq);
266}
267
268static struct irqchip ixp23xx_pci_irq_chip = {
269 .ack = ixp23xx_pci_irq_mask,
270 .mask = ixp23xx_pci_irq_mask,
271 .unmask = ixp23xx_pci_irq_unmask
272};
273
274static void ixp23xx_config_irq(unsigned int irq, enum ixp23xx_irq_type type)
275{
276 switch (type) {
277 case IXP23XX_IRQ_LEVEL:
278 set_irq_chip(irq, &ixp23xx_irq_level_chip);
279 set_irq_handler(irq, do_level_IRQ);
280 break;
281 case IXP23XX_IRQ_EDGE:
282 set_irq_chip(irq, &ixp23xx_irq_edge_chip);
283 set_irq_handler(irq, do_edge_IRQ);
284 break;
285 }
286 set_irq_flags(irq, IRQF_VALID);
287}
288
289void __init ixp23xx_init_irq(void)
290{
291 int irq;
292
293 /* Route everything to IRQ */
294 *IXP23XX_INTR_SEL1 = 0x0;
295 *IXP23XX_INTR_SEL2 = 0x0;
296 *IXP23XX_INTR_SEL3 = 0x0;
297 *IXP23XX_INTR_SEL4 = 0x0;
298
299 /* Mask all sources */
300 *IXP23XX_INTR_EN1 = 0x0;
301 *IXP23XX_INTR_EN2 = 0x0;
302 *IXP23XX_INTR_EN3 = 0x0;
303 *IXP23XX_INTR_EN4 = 0x0;
304
305 /*
306 * Configure all IRQs for level-sensitive operation
307 */
308 for (irq = 0; irq <= NUM_IXP23XX_RAW_IRQS; irq++) {
309 ixp23xx_config_irq(irq, IXP23XX_IRQ_LEVEL);
310 }
311
312 for (irq = IRQ_IXP23XX_INTA; irq <= IRQ_IXP23XX_INTB; irq++) {
313 set_irq_chip(irq, &ixp23xx_pci_irq_chip);
314 set_irq_handler(irq, do_level_IRQ);
315 set_irq_flags(irq, IRQF_VALID);
316 }
317
318 set_irq_chained_handler(IRQ_IXP23XX_PCI_INT_RPH, pci_handler);
319}
320
321
322/*************************************************************************
323 * Timer-tick functions for IXP23xx
324 *************************************************************************/
325#define CLOCK_TICKS_PER_USEC CLOCK_TICK_RATE / (USEC_PER_SEC)
326
327static unsigned long next_jiffy_time;
328
329static unsigned long
330ixp23xx_gettimeoffset(void)
331{
332 unsigned long elapsed;
333
334 elapsed = *IXP23XX_TIMER_CONT - (next_jiffy_time - LATCH);
335
336 return elapsed / CLOCK_TICKS_PER_USEC;
337}
338
339static irqreturn_t
340ixp23xx_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
341{
342 /* Clear Pending Interrupt by writing '1' to it */
343 *IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
344 while ((*IXP23XX_TIMER_CONT - next_jiffy_time) > LATCH) {
345 timer_tick(regs);
346 next_jiffy_time += LATCH;
347 }
348
349 return IRQ_HANDLED;
350}
351
352static struct irqaction ixp23xx_timer_irq = {
353 .name = "IXP23xx Timer Tick",
354 .handler = ixp23xx_timer_interrupt,
355 .flags = SA_INTERRUPT | SA_TIMER,
356};
357
358void __init ixp23xx_init_timer(void)
359{
360 /* Clear Pending Interrupt by writing '1' to it */
361 *IXP23XX_TIMER_STATUS = IXP23XX_TIMER1_INT_PEND;
362
363 /* Setup the Timer counter value */
364 *IXP23XX_TIMER1_RELOAD =
365 (LATCH & ~IXP23XX_TIMER_RELOAD_MASK) | IXP23XX_TIMER_ENABLE;
366
367 *IXP23XX_TIMER_CONT = 0;
368 next_jiffy_time = LATCH;
369
370 /* Connect the interrupt handler and enable the interrupt */
371 setup_irq(IRQ_IXP23XX_TIMER1, &ixp23xx_timer_irq);
372}
373
374struct sys_timer ixp23xx_timer = {
375 .init = ixp23xx_init_timer,
376 .offset = ixp23xx_gettimeoffset,
377};
378
379
380/*************************************************************************
381 * IXP23xx Platform Initializaion
382 *************************************************************************/
383static struct resource ixp23xx_uart_resources[] = {
384 {
385 .start = IXP23XX_UART1_PHYS,
386 .end = IXP23XX_UART1_PHYS + 0x0fff,
387 .flags = IORESOURCE_MEM
388 }, {
389 .start = IXP23XX_UART2_PHYS,
390 .end = IXP23XX_UART2_PHYS + 0x0fff,
391 .flags = IORESOURCE_MEM
392 }
393};
394
395static struct plat_serial8250_port ixp23xx_uart_data[] = {
396 {
397 .mapbase = IXP23XX_UART1_PHYS,
398 .membase = (char *)(IXP23XX_UART1_VIRT + 3),
399 .irq = IRQ_IXP23XX_UART1,
400 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
401 .iotype = UPIO_MEM,
402 .regshift = 2,
403 .uartclk = IXP23XX_UART_XTAL,
404 }, {
405 .mapbase = IXP23XX_UART2_PHYS,
406 .membase = (char *)(IXP23XX_UART2_VIRT + 3),
407 .irq = IRQ_IXP23XX_UART2,
408 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
409 .iotype = UPIO_MEM,
410 .regshift = 2,
411 .uartclk = IXP23XX_UART_XTAL,
412 },
413 { },
414};
415
416static struct platform_device ixp23xx_uart = {
417 .name = "serial8250",
418 .id = 0,
419 .dev.platform_data = ixp23xx_uart_data,
420 .num_resources = 2,
421 .resource = ixp23xx_uart_resources,
422};
423
424static struct platform_device *ixp23xx_devices[] __initdata = {
425 &ixp23xx_uart,
426};
427
428void __init ixp23xx_sys_init(void)
429{
430 platform_add_devices(ixp23xx_devices, ARRAY_SIZE(ixp23xx_devices));
431}
diff --git a/arch/arm/mach-ixp23xx/espresso.c b/arch/arm/mach-ixp23xx/espresso.c
new file mode 100644
index 000000000000..2327c9790416
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/espresso.c
@@ -0,0 +1,69 @@
1/*
2 * arch/arm/mach-ixp23xx/espresso.c
3 *
4 * Double Espresso-specific routines
5 *
6 * Author: Lennert Buytenhek <buytenh@wantstofly.org>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2. This program is licensed "as is" without any
10 * warranty of any kind, whether express or implied.
11 */
12
13#include <linux/config.h>
14#include <linux/kernel.h>
15#include <linux/init.h>
16#include <linux/spinlock.h>
17#include <linux/sched.h>
18#include <linux/interrupt.h>
19#include <linux/serial.h>
20#include <linux/tty.h>
21#include <linux/bitops.h>
22#include <linux/ioport.h>
23#include <linux/serial.h>
24#include <linux/serial_8250.h>
25#include <linux/serial_core.h>
26#include <linux/device.h>
27#include <linux/mm.h>
28#include <linux/pci.h>
29#include <linux/mtd/physmap.h>
30
31#include <asm/types.h>
32#include <asm/setup.h>
33#include <asm/memory.h>
34#include <asm/hardware.h>
35#include <asm/mach-types.h>
36#include <asm/irq.h>
37#include <asm/system.h>
38#include <asm/tlbflush.h>
39#include <asm/pgtable.h>
40
41#include <asm/mach/map.h>
42#include <asm/mach/irq.h>
43#include <asm/mach/arch.h>
44#include <asm/mach/irq.h>
45#include <asm/mach/pci.h>
46
47static void __init espresso_init(void)
48{
49 physmap_configure(0x90000000, 0x02000000, 2, NULL);
50
51 /*
52 * Mark flash as writeable.
53 */
54 IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
55 IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
56
57 ixp23xx_sys_init();
58}
59
60MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
61 /* Maintainer: Lennert Buytenhek */
62 .phys_io = IXP23XX_PERIPHERAL_PHYS,
63 .io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
64 .map_io = ixp23xx_map_io,
65 .init_irq = ixp23xx_init_irq,
66 .timer = &ixp23xx_timer,
67 .boot_params = 0x00000100,
68 .init_machine = espresso_init,
69MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
new file mode 100644
index 000000000000..00146c35daac
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -0,0 +1,325 @@
1/*
2 * arch/arm/mach-ixp23xx/ixdp2351.c
3 *
4 * IXDP2351 board-specific routines
5 *
6 * Author: Deepak Saxena <dsaxena@plexity.net>
7 *
8 * Copyright 2005 (c) MontaVista Software, Inc.
9 *
10 * Based on 2.4 code Copyright 2004 (c) Intel Corporation
11 *
12 * This file is licensed under the terms of the GNU General Public
13 * License version 2. This program is licensed "as is" without any
14 * warranty of any kind, whether express or implied.
15 */
16
17#include <linux/config.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/spinlock.h>
21#include <linux/sched.h>
22#include <linux/interrupt.h>
23#include <linux/serial.h>
24#include <linux/tty.h>
25#include <linux/bitops.h>
26#include <linux/ioport.h>
27#include <linux/serial.h>
28#include <linux/serial_8250.h>
29#include <linux/serial_core.h>
30#include <linux/device.h>
31#include <linux/mm.h>
32#include <linux/pci.h>
33#include <linux/mtd/physmap.h>
34
35#include <asm/types.h>
36#include <asm/setup.h>
37#include <asm/memory.h>
38#include <asm/hardware.h>
39#include <asm/mach-types.h>
40#include <asm/irq.h>
41#include <asm/system.h>
42#include <asm/tlbflush.h>
43#include <asm/pgtable.h>
44
45#include <asm/mach/map.h>
46#include <asm/mach/irq.h>
47#include <asm/mach/arch.h>
48#include <asm/mach/irq.h>
49#include <asm/mach/pci.h>
50
51/*
52 * IXDP2351 Interrupt Handling
53 */
54static void ixdp2351_inta_mask(unsigned int irq)
55{
56 *IXDP2351_CPLD_INTA_MASK_SET_REG = IXDP2351_INTA_IRQ_MASK(irq);
57}
58
59static void ixdp2351_inta_unmask(unsigned int irq)
60{
61 *IXDP2351_CPLD_INTA_MASK_CLR_REG = IXDP2351_INTA_IRQ_MASK(irq);
62}
63
64static void ixdp2351_inta_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
65{
66 u16 ex_interrupt =
67 *IXDP2351_CPLD_INTA_STAT_REG & IXDP2351_INTA_IRQ_VALID;
68 int i;
69
70 desc->chip->mask(irq);
71
72 for (i = 0; i < IXDP2351_INTA_IRQ_NUM; i++) {
73 if (ex_interrupt & (1 << i)) {
74 struct irqdesc *cpld_desc;
75 int cpld_irq =
76 IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
77 cpld_desc = irq_desc + cpld_irq;
78 cpld_desc->handle(cpld_irq, cpld_desc, regs);
79 }
80 }
81
82 desc->chip->unmask(irq);
83}
84
85static struct irqchip ixdp2351_inta_chip = {
86 .ack = ixdp2351_inta_mask,
87 .mask = ixdp2351_inta_mask,
88 .unmask = ixdp2351_inta_unmask
89};
90
91static void ixdp2351_intb_mask(unsigned int irq)
92{
93 *IXDP2351_CPLD_INTB_MASK_SET_REG = IXDP2351_INTB_IRQ_MASK(irq);
94}
95
96static void ixdp2351_intb_unmask(unsigned int irq)
97{
98 *IXDP2351_CPLD_INTB_MASK_CLR_REG = IXDP2351_INTB_IRQ_MASK(irq);
99}
100
101static void ixdp2351_intb_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs)
102{
103 u16 ex_interrupt =
104 *IXDP2351_CPLD_INTB_STAT_REG & IXDP2351_INTB_IRQ_VALID;
105 int i;
106
107 desc->chip->ack(irq);
108
109 for (i = 0; i < IXDP2351_INTB_IRQ_NUM; i++) {
110 if (ex_interrupt & (1 << i)) {
111 struct irqdesc *cpld_desc;
112 int cpld_irq =
113 IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
114 cpld_desc = irq_desc + cpld_irq;
115 cpld_desc->handle(cpld_irq, cpld_desc, regs);
116 }
117 }
118
119 desc->chip->unmask(irq);
120}
121
122static struct irqchip ixdp2351_intb_chip = {
123 .ack = ixdp2351_intb_mask,
124 .mask = ixdp2351_intb_mask,
125 .unmask = ixdp2351_intb_unmask
126};
127
128void ixdp2351_init_irq(void)
129{
130 int irq;
131
132 /* Mask all interrupts from CPLD, disable simulation */
133 *IXDP2351_CPLD_INTA_MASK_SET_REG = (u16) -1;
134 *IXDP2351_CPLD_INTB_MASK_SET_REG = (u16) -1;
135 *IXDP2351_CPLD_INTA_SIM_REG = 0;
136 *IXDP2351_CPLD_INTB_SIM_REG = 0;
137
138 ixp23xx_init_irq();
139
140 for (irq = IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE);
141 irq <
142 IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + IXDP2351_INTA_IRQ_NUM);
143 irq++) {
144 if (IXDP2351_INTA_IRQ_MASK(irq) & IXDP2351_INTA_IRQ_VALID) {
145 set_irq_flags(irq, IRQF_VALID);
146 set_irq_handler(irq, do_level_IRQ);
147 set_irq_chip(irq, &ixdp2351_inta_chip);
148 }
149 }
150
151 for (irq = IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE);
152 irq <
153 IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + IXDP2351_INTB_IRQ_NUM);
154 irq++) {
155 if (IXDP2351_INTB_IRQ_MASK(irq) & IXDP2351_INTB_IRQ_VALID) {
156 set_irq_flags(irq, IRQF_VALID);
157 set_irq_handler(irq, do_level_IRQ);
158 set_irq_chip(irq, &ixdp2351_intb_chip);
159 }
160 }
161
162 set_irq_chained_handler(IRQ_IXP23XX_INTA, &ixdp2351_inta_handler);
163 set_irq_chained_handler(IRQ_IXP23XX_INTB, &ixdp2351_intb_handler);
164}
165
166/*
167 * IXDP2351 PCI
168 */
169
170/*
171 * This board does not do normal PCI IRQ routing, or any
172 * sort of swizzling, so we just need to check where on the
173 * bus the device is and figure out what CPLD pin it is
174 * being routed to.
175 */
176#define DEVPIN(dev, pin) ((pin) | ((dev) << 3))
177
178static int __init ixdp2351_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
179{
180 u8 bus = dev->bus->number;
181 u32 devpin = DEVPIN(PCI_SLOT(dev->devfn), pin);
182 struct pci_bus *tmp_bus = dev->bus;
183
184 /* Primary bus, no interrupts here */
185 if (!bus)
186 return -1;
187
188 /* Lookup first leaf in bus tree */
189 while ((tmp_bus->parent != NULL) && (tmp_bus->parent->parent != NULL))
190 tmp_bus = tmp_bus->parent;
191
192 /* Select between known bridges */
193 switch (tmp_bus->self->devfn | (tmp_bus->self->bus->number << 8)) {
194 /* Device is located after first bridge */
195 case 0x0008:
196 if (tmp_bus == dev->bus) {
197 /* Device is located directy after first bridge */
198 switch (devpin) {
199 /* Onboard 82546 */
200 case DEVPIN(1, 1): /* Onboard 82546 ch 0 */
201 return IRQ_IXDP2351_INTA_82546;
202 case DEVPIN(1, 2): /* Onboard 82546 ch 1 */
203 return IRQ_IXDP2351_INTB_82546;
204 /* PMC SLOT */
205 case DEVPIN(0, 1): /* PMCP INTA# */
206 case DEVPIN(2, 4): /* PMCS INTD# */
207 return IRQ_IXDP2351_SPCI_PMC_INTA;
208 case DEVPIN(0, 2): /* PMCP INTB# */
209 case DEVPIN(2, 1): /* PMCS INTA# */
210 return IRQ_IXDP2351_SPCI_PMC_INTB;
211 case DEVPIN(0, 3): /* PMCP INTC# */
212 case DEVPIN(2, 2): /* PMCS INTB# */
213 return IRQ_IXDP2351_SPCI_PMC_INTC;
214 case DEVPIN(0, 4): /* PMCP INTD# */
215 case DEVPIN(2, 3): /* PMCS INTC# */
216 return IRQ_IXDP2351_SPCI_PMC_INTD;
217 }
218 } else {
219 /* Device is located indirectly after first bridge */
220 /* Not supported now */
221 return -1;
222 }
223 break;
224 case 0x0010:
225 if (tmp_bus == dev->bus) {
226 /* Device is located directy after second bridge */
227 /* Secondary bus of second bridge */
228 switch (devpin) {
229 case DEVPIN(0, 1): /* DB#0 */
230 case DEVPIN(0, 2):
231 case DEVPIN(0, 3):
232 case DEVPIN(0, 4):
233 return IRQ_IXDP2351_SPCI_DB_0;
234 case DEVPIN(1, 1): /* DB#1 */
235 case DEVPIN(1, 2):
236 case DEVPIN(1, 3):
237 case DEVPIN(1, 4):
238 return IRQ_IXDP2351_SPCI_DB_1;
239 case DEVPIN(2, 1): /* FIC1 */
240 case DEVPIN(2, 2):
241 case DEVPIN(2, 3):
242 case DEVPIN(2, 4):
243 case DEVPIN(3, 1): /* FIC2 */
244 case DEVPIN(3, 2):
245 case DEVPIN(3, 3):
246 case DEVPIN(3, 4):
247 return IRQ_IXDP2351_SPCI_FIC;
248 }
249 } else {
250 /* Device is located indirectly after second bridge */
251 /* Not supported now */
252 return -1;
253 }
254 break;
255 }
256
257 return -1;
258}
259
260struct hw_pci ixdp2351_pci __initdata = {
261 .nr_controllers = 1,
262 .preinit = ixp23xx_pci_preinit,
263 .setup = ixp23xx_pci_setup,
264 .scan = ixp23xx_pci_scan_bus,
265 .map_irq = ixdp2351_map_irq,
266};
267
268int __init ixdp2351_pci_init(void)
269{
270 if (machine_is_ixdp2351())
271 pci_common_init(&ixdp2351_pci);
272
273 return 0;
274}
275
276subsys_initcall(ixdp2351_pci_init);
277
278/*
279 * IXDP2351 Static Mapped I/O
280 */
281static struct map_desc ixdp2351_io_desc[] __initdata = {
282 {
283 .virtual = IXDP2351_NP_VIRT_BASE,
284 .pfn = __phys_to_pfn((u64)IXDP2351_NP_PHYS_BASE),
285 .length = IXDP2351_NP_PHYS_SIZE,
286 .type = MT_DEVICE
287 }, {
288 .virtual = IXDP2351_BB_BASE_VIRT,
289 .pfn = __phys_to_pfn((u64)IXDP2351_BB_BASE_PHYS),
290 .length = IXDP2351_BB_SIZE,
291 .type = MT_DEVICE
292 }
293};
294
295static void __init ixdp2351_map_io(void)
296{
297 ixp23xx_map_io();
298 iotable_init(ixdp2351_io_desc, ARRAY_SIZE(ixdp2351_io_desc));
299}
300
301static void __init ixdp2351_init(void)
302{
303 physmap_configure(0x90000000, 0x04000000, 1, NULL);
304
305 /*
306 * Mark flash as writeable
307 */
308 IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
309 IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
310 IXP23XX_EXP_CS0[2] |= IXP23XX_FLASH_WRITABLE;
311 IXP23XX_EXP_CS0[3] |= IXP23XX_FLASH_WRITABLE;
312
313 ixp23xx_sys_init();
314}
315
316MACHINE_START(IXDP2351, "Intel IXDP2351 Development Platform")
317 /* Maintainer: MontaVista Software, Inc. */
318 .phys_io = IXP23XX_PERIPHERAL_PHYS,
319 .io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
320 .map_io = ixdp2351_map_io,
321 .init_irq = ixdp2351_init_irq,
322 .timer = &ixp23xx_timer,
323 .boot_params = 0x00000100,
324 .init_machine = ixdp2351_init,
325MACHINE_END
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c
new file mode 100644
index 000000000000..5330ad78c1bb
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/pci.c
@@ -0,0 +1,275 @@
1/*
2 * arch/arm/mach-ixp23xx/pci.c
3 *
4 * PCI routines for IXP23XX based systems
5 *
6 * Copyright (c) 2005 MontaVista Software, Inc.
7 *
8 * based on original code:
9 *
10 * Author: Naeem Afzal <naeem.m.afzal@intel.com>
11 * Copyright 2002-2005 Intel Corp.
12 *
13 * This program is free software; you can redistribute it and/or modify it
14 * under the terms of the GNU General Public License as published by the
15 * Free Software Foundation; either version 2 of the License, or (at your
16 * option) any later version.
17 */
18
19#include <linux/config.h>
20#include <linux/sched.h>
21#include <linux/kernel.h>
22#include <linux/pci.h>
23#include <linux/interrupt.h>
24#include <linux/mm.h>
25#include <linux/init.h>
26#include <linux/ioport.h>
27#include <linux/slab.h>
28#include <linux/delay.h>
29
30#include <asm/io.h>
31#include <asm/irq.h>
32#include <asm/sizes.h>
33#include <asm/system.h>
34#include <asm/mach/pci.h>
35#include <asm/mach-types.h>
36#include <asm/hardware.h>
37
38extern int (*external_fault) (unsigned long, struct pt_regs *);
39
40static int pci_master_aborts = 0;
41
42#ifdef DEBUG
43#define DBG(x...) printk(x)
44#else
45#define DBG(x...)
46#endif
47
48int clear_master_aborts(void);
49
50static u32
51*ixp23xx_pci_config_addr(unsigned int bus_nr, unsigned int devfn, int where)
52{
53 u32 *paddress;
54
55 /*
56 * Must be dword aligned
57 */
58 where &= ~3;
59
60 /*
61 * For top bus, generate type 0, else type 1
62 */
63 if (!bus_nr) {
64 if (PCI_SLOT(devfn) >= 8)
65 return 0;
66
67 paddress = (u32 *) (IXP23XX_PCI_CFG0_VIRT
68 | (1 << (PCI_SLOT(devfn) + 16))
69 | (PCI_FUNC(devfn) << 8) | where);
70 } else {
71 paddress = (u32 *) (IXP23XX_PCI_CFG1_VIRT
72 | (bus_nr << 16)
73 | (PCI_SLOT(devfn) << 11)
74 | (PCI_FUNC(devfn) << 8) | where);
75 }
76
77 return paddress;
78}
79
80/*
81 * Mask table, bits to mask for quantity of size 1, 2 or 4 bytes.
82 * 0 and 3 are not valid indexes...
83 */
84static u32 bytemask[] = {
85 /*0*/ 0,
86 /*1*/ 0xff,
87 /*2*/ 0xffff,
88 /*3*/ 0,
89 /*4*/ 0xffffffff,
90};
91
92static int ixp23xx_pci_read_config(struct pci_bus *bus, unsigned int devfn,
93 int where, int size, u32 *value)
94{
95 u32 n;
96 u32 *addr;
97
98 n = where % 4;
99
100 DBG("In config_read(%d) %d from dev %d:%d:%d\n", size, where,
101 bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn));
102
103 addr = ixp23xx_pci_config_addr(bus->number, devfn, where);
104 if (!addr)
105 return PCIBIOS_DEVICE_NOT_FOUND;
106
107 pci_master_aborts = 0;
108 *value = (*addr >> (8*n)) & bytemask[size];
109 if (pci_master_aborts) {
110 pci_master_aborts = 0;
111 *value = 0xffffffff;
112 return PCIBIOS_DEVICE_NOT_FOUND;
113 }
114
115 return PCIBIOS_SUCCESSFUL;
116}
117
118/*
119 * We don't do error checking on the address for writes.
120 * It's assumed that the user checked for the device existing first
121 * by doing a read first.
122 */
123static int ixp23xx_pci_write_config(struct pci_bus *bus, unsigned int devfn,
124 int where, int size, u32 value)
125{
126 u32 mask;
127 u32 *addr;
128 u32 temp;
129
130 mask = ~(bytemask[size] << ((where % 0x4) * 8));
131 addr = ixp23xx_pci_config_addr(bus->number, devfn, where);
132 if (!addr)
133 return PCIBIOS_DEVICE_NOT_FOUND;
134 temp = (u32) (value) << ((where % 0x4) * 8);
135 *addr = (*addr & mask) | temp;
136
137 clear_master_aborts();
138
139 return PCIBIOS_SUCCESSFUL;
140}
141
142struct pci_ops ixp23xx_pci_ops = {
143 .read = ixp23xx_pci_read_config,
144 .write = ixp23xx_pci_write_config,
145};
146
147struct pci_bus *ixp23xx_pci_scan_bus(int nr, struct pci_sys_data *sysdata)
148{
149 return pci_scan_bus(sysdata->busnr, &ixp23xx_pci_ops, sysdata);
150}
151
152int ixp23xx_pci_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
153{
154 volatile unsigned long temp;
155 unsigned long flags;
156
157 pci_master_aborts = 1;
158
159 local_irq_save(flags);
160 temp = *IXP23XX_PCI_CONTROL;
161
162 /*
163 * master abort and cmd tgt err
164 */
165 if (temp & ((1 << 8) | (1 << 5)))
166 *IXP23XX_PCI_CONTROL = temp;
167
168 temp = *IXP23XX_PCI_CMDSTAT;
169
170 if (temp & (1 << 29))
171 *IXP23XX_PCI_CMDSTAT = temp;
172 local_irq_restore(flags);
173
174 /*
175 * If it was an imprecise abort, then we need to correct the
176 * return address to be _after_ the instruction.
177 */
178 if (fsr & (1 << 10))
179 regs->ARM_pc += 4;
180
181 return 0;
182}
183
184int clear_master_aborts(void)
185{
186 volatile u32 temp;
187
188 temp = *IXP23XX_PCI_CONTROL;
189
190 /*
191 * master abort and cmd tgt err
192 */
193 if (temp & ((1 << 8) | (1 << 5)))
194 *IXP23XX_PCI_CONTROL = temp;
195
196 temp = *IXP23XX_PCI_CMDSTAT;
197
198 if (temp & (1 << 29))
199 *IXP23XX_PCI_CMDSTAT = temp;
200
201 return 0;
202}
203
204void __init ixp23xx_pci_preinit(void)
205{
206#ifdef __ARMEB__
207 *IXP23XX_PCI_CONTROL |= 0x20000; /* set I/O swapping */
208#endif
209 /*
210 * ADDR_31 needs to be clear for PCI memory access to CPP memory
211 */
212 *IXP23XX_CPP2XSI_CURR_XFER_REG3 &= ~IXP23XX_CPP2XSI_ADDR_31;
213 *IXP23XX_CPP2XSI_CURR_XFER_REG3 |= IXP23XX_CPP2XSI_PSH_OFF;
214
215 /*
216 * Select correct memory for PCI inbound transactions
217 */
218 if (ixp23xx_cpp_boot()) {
219 *IXP23XX_PCI_CPP_ADDR_BITS &= ~(1 << 1);
220 } else {
221 *IXP23XX_PCI_CPP_ADDR_BITS |= (1 << 1);
222 }
223
224 hook_fault_code(16+6, ixp23xx_pci_abort_handler, SIGBUS,
225 "PCI config cycle to non-existent device");
226
227 *IXP23XX_PCI_ADDR_EXT = 0x0000e000;
228}
229
230/*
231 * Prevent PCI layer from seeing the inbound host-bridge resources
232 */
233static void __devinit pci_fixup_ixp23xx(struct pci_dev *dev)
234{
235 int i;
236
237 dev->class &= 0xff;
238 dev->class |= PCI_CLASS_BRIDGE_HOST << 8;
239 for (i = 0; i < PCI_NUM_RESOURCES; i++) {
240 dev->resource[i].start = 0;
241 dev->resource[i].end = 0;
242 dev->resource[i].flags = 0;
243 }
244}
245DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9002, pci_fixup_ixp23xx);
246
247/*
248 * IXP2300 systems often have large resource requirements, so we just
249 * use our own resource space.
250 */
251static struct resource ixp23xx_pci_mem_space = {
252 .start = IXP23XX_PCI_MEM_START,
253 .end = IXP23XX_PCI_MEM_START + IXP23XX_PCI_MEM_SIZE - 1,
254 .flags = IORESOURCE_MEM,
255 .name = "PCI Mem Space"
256};
257
258static struct resource ixp23xx_pci_io_space = {
259 .start = 0x00000100,
260 .end = 0x01ffffff,
261 .flags = IORESOURCE_IO,
262 .name = "PCI I/O Space"
263};
264
265int ixp23xx_pci_setup(int nr, struct pci_sys_data *sys)
266{
267 if (nr >= 1)
268 return 0;
269
270 sys->resource[0] = &ixp23xx_pci_io_space;
271 sys->resource[1] = &ixp23xx_pci_mem_space;
272 sys->resource[2] = NULL;
273
274 return 1;
275}
diff --git a/arch/arm/mach-ixp23xx/roadrunner.c b/arch/arm/mach-ixp23xx/roadrunner.c
new file mode 100644
index 000000000000..43c14e740794
--- /dev/null
+++ b/arch/arm/mach-ixp23xx/roadrunner.c
@@ -0,0 +1,164 @@
1/*
2 * arch/arm/mach-ixp23xx/roadrunner.c
3 *
4 * RoadRunner board-specific routines
5 *
6 * Author: Deepak Saxena <dsaxena@plexity.net>
7 *
8 * Copyright 2005 (c) MontaVista Software, Inc.
9 *
10 * Based on 2.4 code Copyright 2005 (c) ADI Engineering Corporation
11 *
12 * This file is licensed under the terms of the GNU General Public
13 * License version 2. This program is licensed "as is" without any
14 * warranty of any kind, whether express or implied.
15 */
16
17#include <linux/config.h>
18#include <linux/kernel.h>
19#include <linux/init.h>
20#include <linux/spinlock.h>
21#include <linux/sched.h>
22#include <linux/interrupt.h>
23#include <linux/serial.h>
24#include <linux/tty.h>
25#include <linux/bitops.h>
26#include <linux/ioport.h>
27#include <linux/serial.h>
28#include <linux/serial_8250.h>
29#include <linux/serial_core.h>
30#include <linux/device.h>
31#include <linux/mm.h>
32#include <linux/pci.h>
33#include <linux/mtd/physmap.h>
34
35#include <asm/types.h>
36#include <asm/setup.h>
37#include <asm/memory.h>
38#include <asm/hardware.h>
39#include <asm/mach-types.h>
40#include <asm/irq.h>
41#include <asm/system.h>
42#include <asm/tlbflush.h>
43#include <asm/pgtable.h>
44
45#include <asm/mach/map.h>
46#include <asm/mach/irq.h>
47#include <asm/mach/arch.h>
48#include <asm/mach/irq.h>
49#include <asm/mach/pci.h>
50
51/*
52 * Interrupt mapping
53 */
54#define INTA IRQ_ROADRUNNER_PCI_INTA
55#define INTB IRQ_ROADRUNNER_PCI_INTB
56#define INTC IRQ_ROADRUNNER_PCI_INTC
57#define INTD IRQ_ROADRUNNER_PCI_INTD
58
59#define INTC_PIN IXP23XX_GPIO_PIN_11
60#define INTD_PIN IXP23XX_GPIO_PIN_12
61
62static int __init roadrunner_map_irq(struct pci_dev *dev, u8 idsel, u8 pin)
63{
64 static int pci_card_slot_irq[] = {INTB, INTC, INTD, INTA};
65 static int pmc_card_slot_irq[] = {INTA, INTB, INTC, INTD};
66 static int usb_irq[] = {INTB, INTC, INTD, -1};
67 static int mini_pci_1_irq[] = {INTB, INTC, -1, -1};
68 static int mini_pci_2_irq[] = {INTC, INTD, -1, -1};
69
70 switch(dev->bus->number) {
71 case 0:
72 switch(dev->devfn) {
73 case 0x0: // PCI-PCI bridge
74 break;
75 case 0x8: // PCI Card Slot
76 return pci_card_slot_irq[pin - 1];
77 case 0x10: // PMC Slot
78 return pmc_card_slot_irq[pin - 1];
79 case 0x18: // PMC Slot Secondary Agent
80 break;
81 case 0x20: // IXP Processor
82 break;
83 default:
84 return NO_IRQ;
85 }
86 break;
87
88 case 1:
89 switch(dev->devfn) {
90 case 0x0: // IDE Controller
91 return (pin == 1) ? INTC : -1;
92 case 0x8: // USB fun 0
93 case 0x9: // USB fun 1
94 case 0xa: // USB fun 2
95 return usb_irq[pin - 1];
96 case 0x10: // Mini PCI 1
97 return mini_pci_1_irq[pin-1];
98 case 0x18: // Mini PCI 2
99 return mini_pci_2_irq[pin-1];
100 case 0x20: // MEM slot
101 return (pin == 1) ? INTA : -1;
102 default:
103 return NO_IRQ;
104 }
105 break;
106
107 default:
108 return NO_IRQ;
109 }
110
111 return NO_IRQ;
112}
113
114static void roadrunner_pci_preinit(void)
115{
116 set_irq_type(IRQ_ROADRUNNER_PCI_INTC, IRQT_LOW);
117 set_irq_type(IRQ_ROADRUNNER_PCI_INTD, IRQT_LOW);
118
119 ixp23xx_pci_preinit();
120}
121
122static struct hw_pci roadrunner_pci __initdata = {
123 .nr_controllers = 1,
124 .preinit = roadrunner_pci_preinit,
125 .setup = ixp23xx_pci_setup,
126 .scan = ixp23xx_pci_scan_bus,
127 .map_irq = roadrunner_map_irq,
128};
129
130static int __init roadrunner_pci_init(void)
131{
132 if (machine_is_roadrunner())
133 pci_common_init(&roadrunner_pci);
134
135 return 0;
136};
137
138subsys_initcall(roadrunner_pci_init);
139
140static void __init roadrunner_init(void)
141{
142 physmap_configure(0x90000000, 0x04000000, 2, NULL);
143
144 /*
145 * Mark flash as writeable
146 */
147 IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
148 IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
149 IXP23XX_EXP_CS0[2] |= IXP23XX_FLASH_WRITABLE;
150 IXP23XX_EXP_CS0[3] |= IXP23XX_FLASH_WRITABLE;
151
152 ixp23xx_sys_init();
153}
154
155MACHINE_START(ROADRUNNER, "ADI Engineering RoadRunner Development Platform")
156 /* Maintainer: Deepak Saxena */
157 .phys_io = IXP23XX_PERIPHERAL_PHYS,
158 .io_pg_offst = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
159 .map_io = ixp23xx_map_io,
160 .init_irq = ixp23xx_init_irq,
161 .timer = &ixp23xx_timer,
162 .boot_params = 0x00000100,
163 .init_machine = roadrunner_init,
164MACHINE_END
diff --git a/arch/arm/mach-omap1/board-netstar.c b/arch/arm/mach-omap1/board-netstar.c
index 60d5f8a3339c..7520e602d7a2 100644
--- a/arch/arm/mach-omap1/board-netstar.c
+++ b/arch/arm/mach-omap1/board-netstar.c
@@ -141,7 +141,7 @@ static int __init netstar_late_init(void)
141 /* TODO: Setup front panel switch here */ 141 /* TODO: Setup front panel switch here */
142 142
143 /* Setup panic notifier */ 143 /* Setup panic notifier */
144 notifier_chain_register(&panic_notifier_list, &panic_block); 144 atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
145 145
146 return 0; 146 return 0;
147} 147}
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index bfd5fdd1a875..52e4a9d69642 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -235,7 +235,7 @@ static struct notifier_block panic_block = {
235static int __init voiceblue_setup(void) 235static int __init voiceblue_setup(void)
236{ 236{
237 /* Setup panic notifier */ 237 /* Setup panic notifier */
238 notifier_chain_register(&panic_notifier_list, &panic_block); 238 atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
239 239
240 return 0; 240 return 0;
241} 241}
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index c1d77f5b3823..0104fd142e70 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -10,6 +10,11 @@ config ARCH_LUBBOCK
10 select PXA25x 10 select PXA25x
11 select SA1111 11 select SA1111
12 12
13config MACH_LOGICPD_PXA270
14 bool "LogicPD PXA270 Card Engine Development Platform"
15 select PXA27x
16 select IWMMXT
17
13config MACH_MAINSTONE 18config MACH_MAINSTONE
14 bool "Intel HCDDBBVA0 Development Platform" 19 bool "Intel HCDDBBVA0 Development Platform"
15 select PXA27x 20 select PXA27x
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 382644401a4d..4e8a983e2b83 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_PXA27x) += pxa27x.o
9 9
10# Specific board support 10# Specific board support
11obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o 11obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
12obj-$(CONFIG_MACH_LOGICPD_PXA270) += lpd270.o
12obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o 13obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
13obj-$(CONFIG_ARCH_PXA_IDP) += idp.o 14obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
14obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o 15obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.o
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index 9b48a90aefce..5efa84749f37 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -319,6 +319,11 @@ void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
319 pxaficp_device.dev.platform_data = info; 319 pxaficp_device.dev.platform_data = info;
320} 320}
321 321
322static struct platform_device pxartc_device = {
323 .name = "sa1100-rtc",
324 .id = -1,
325};
326
322static struct platform_device *devices[] __initdata = { 327static struct platform_device *devices[] __initdata = {
323 &pxamci_device, 328 &pxamci_device,
324 &udc_device, 329 &udc_device,
@@ -329,6 +334,7 @@ static struct platform_device *devices[] __initdata = {
329 &pxaficp_device, 334 &pxaficp_device,
330 &i2c_device, 335 &i2c_device,
331 &i2s_device, 336 &i2s_device,
337 &pxartc_device,
332}; 338};
333 339
334static int __init pxa_init(void) 340static int __init pxa_init(void)
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
new file mode 100644
index 000000000000..ec0f43a102c7
--- /dev/null
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -0,0 +1,393 @@
1/*
2 * linux/arch/arm/mach-pxa/lpd270.c
3 *
4 * Support for the LogicPD PXA270 Card Engine.
5 * Derived from the mainstone code, which carries these notices:
6 *
7 * Author: Nicolas Pitre
8 * Created: Nov 05, 2002
9 * Copyright: MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/sysdev.h>
19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/bitops.h>
22#include <linux/fb.h>
23#include <linux/ioport.h>
24#include <linux/mtd/mtd.h>
25#include <linux/mtd/partitions.h>
26
27#include <asm/types.h>
28#include <asm/setup.h>
29#include <asm/memory.h>
30#include <asm/mach-types.h>
31#include <asm/hardware.h>
32#include <asm/irq.h>
33#include <asm/sizes.h>
34
35#include <asm/mach/arch.h>
36#include <asm/mach/map.h>
37#include <asm/mach/irq.h>
38#include <asm/mach/flash.h>
39
40#include <asm/arch/pxa-regs.h>
41#include <asm/arch/lpd270.h>
42#include <asm/arch/audio.h>
43#include <asm/arch/pxafb.h>
44#include <asm/arch/mmc.h>
45#include <asm/arch/irda.h>
46#include <asm/arch/ohci.h>
47
48#include "generic.h"
49
50
51static unsigned int lpd270_irq_enabled;
52
53static void lpd270_mask_irq(unsigned int irq)
54{
55 int lpd270_irq = irq - LPD270_IRQ(0);
56
57 __raw_writew(~(1 << lpd270_irq), LPD270_INT_STATUS);
58
59 lpd270_irq_enabled &= ~(1 << lpd270_irq);
60 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
61}
62
63static void lpd270_unmask_irq(unsigned int irq)
64{
65 int lpd270_irq = irq - LPD270_IRQ(0);
66
67 lpd270_irq_enabled |= 1 << lpd270_irq;
68 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
69}
70
71static struct irqchip lpd270_irq_chip = {
72 .ack = lpd270_mask_irq,
73 .mask = lpd270_mask_irq,
74 .unmask = lpd270_unmask_irq,
75};
76
77static void lpd270_irq_handler(unsigned int irq, struct irqdesc *desc,
78 struct pt_regs *regs)
79{
80 unsigned long pending;
81
82 pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
83 do {
84 GEDR(0) = GPIO_bit(0); /* clear useless edge notification */
85 if (likely(pending)) {
86 irq = LPD270_IRQ(0) + __ffs(pending);
87 desc = irq_desc + irq;
88 desc_handle_irq(irq, desc, regs);
89
90 pending = __raw_readw(LPD270_INT_STATUS) &
91 lpd270_irq_enabled;
92 }
93 } while (pending);
94}
95
96static void __init lpd270_init_irq(void)
97{
98 int irq;
99
100 pxa_init_irq();
101
102 __raw_writew(0, LPD270_INT_MASK);
103 __raw_writew(0, LPD270_INT_STATUS);
104
105 /* setup extra LogicPD PXA270 irqs */
106 for (irq = LPD270_IRQ(2); irq <= LPD270_IRQ(4); irq++) {
107 set_irq_chip(irq, &lpd270_irq_chip);
108 set_irq_handler(irq, do_level_IRQ);
109 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
110 }
111 set_irq_chained_handler(IRQ_GPIO(0), lpd270_irq_handler);
112 set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
113}
114
115
116#ifdef CONFIG_PM
117static int lpd270_irq_resume(struct sys_device *dev)
118{
119 __raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
120 return 0;
121}
122
123static struct sysdev_class lpd270_irq_sysclass = {
124 set_kset_name("cpld_irq"),
125 .resume = lpd270_irq_resume,
126};
127
128static struct sys_device lpd270_irq_device = {
129 .cls = &lpd270_irq_sysclass,
130};
131
132static int __init lpd270_irq_device_init(void)
133{
134 int ret = sysdev_class_register(&lpd270_irq_sysclass);
135 if (ret == 0)
136 ret = sysdev_register(&lpd270_irq_device);
137 return ret;
138}
139
140device_initcall(lpd270_irq_device_init);
141#endif
142
143
144static struct resource smc91x_resources[] = {
145 [0] = {
146 .start = LPD270_ETH_PHYS,
147 .end = (LPD270_ETH_PHYS + 0xfffff),
148 .flags = IORESOURCE_MEM,
149 },
150 [1] = {
151 .start = LPD270_ETHERNET_IRQ,
152 .end = LPD270_ETHERNET_IRQ,
153 .flags = IORESOURCE_IRQ,
154 },
155};
156
157static struct platform_device smc91x_device = {
158 .name = "smc91x",
159 .id = 0,
160 .num_resources = ARRAY_SIZE(smc91x_resources),
161 .resource = smc91x_resources,
162};
163
164static struct platform_device lpd270_audio_device = {
165 .name = "pxa2xx-ac97",
166 .id = -1,
167};
168
169static struct resource lpd270_flash_resources[] = {
170 [0] = {
171 .start = PXA_CS0_PHYS,
172 .end = PXA_CS0_PHYS + SZ_64M - 1,
173 .flags = IORESOURCE_MEM,
174 },
175 [1] = {
176 .start = PXA_CS1_PHYS,
177 .end = PXA_CS1_PHYS + SZ_64M - 1,
178 .flags = IORESOURCE_MEM,
179 },
180};
181
182static struct mtd_partition lpd270_flash0_partitions[] = {
183 {
184 .name = "Bootloader",
185 .size = 0x00040000,
186 .offset = 0,
187 .mask_flags = MTD_WRITEABLE /* force read-only */
188 }, {
189 .name = "Kernel",
190 .size = 0x00400000,
191 .offset = 0x00040000,
192 }, {
193 .name = "Filesystem",
194 .size = MTDPART_SIZ_FULL,
195 .offset = 0x00440000
196 },
197};
198
199static struct flash_platform_data lpd270_flash_data[2] = {
200 {
201 .name = "processor-flash",
202 .map_name = "cfi_probe",
203 .parts = lpd270_flash0_partitions,
204 .nr_parts = ARRAY_SIZE(lpd270_flash0_partitions),
205 }, {
206 .name = "mainboard-flash",
207 .map_name = "cfi_probe",
208 .parts = NULL,
209 .nr_parts = 0,
210 }
211};
212
213static struct platform_device lpd270_flash_device[2] = {
214 {
215 .name = "pxa2xx-flash",
216 .id = 0,
217 .dev = {
218 .platform_data = &lpd270_flash_data[0],
219 },
220 .resource = &lpd270_flash_resources[0],
221 .num_resources = 1,
222 }, {
223 .name = "pxa2xx-flash",
224 .id = 1,
225 .dev = {
226 .platform_data = &lpd270_flash_data[1],
227 },
228 .resource = &lpd270_flash_resources[1],
229 .num_resources = 1,
230 },
231};
232
233static void lpd270_backlight_power(int on)
234{
235 if (on) {
236 pxa_gpio_mode(GPIO16_PWM0_MD);
237 pxa_set_cken(CKEN0_PWM0, 1);
238 PWM_CTRL0 = 0;
239 PWM_PWDUTY0 = 0x3ff;
240 PWM_PERVAL0 = 0x3ff;
241 } else {
242 PWM_CTRL0 = 0;
243 PWM_PWDUTY0 = 0x0;
244 PWM_PERVAL0 = 0x3FF;
245 pxa_set_cken(CKEN0_PWM0, 0);
246 }
247}
248
249/* 5.7" TFT QVGA (LoLo display number 1) */
250static struct pxafb_mach_info sharp_lq057q3dc02 __initdata = {
251 .pixclock = 100000,
252 .xres = 240,
253 .yres = 320,
254 .bpp = 16,
255 .hsync_len = 64,
256 .left_margin = 0x27,
257 .right_margin = 0x09,
258 .vsync_len = 0x04,
259 .upper_margin = 0x08,
260 .lower_margin = 0x14,
261 .sync = 0,
262 .lccr0 = 0x07800080,
263 .lccr3 = 0x04400007,
264 .pxafb_backlight_power = lpd270_backlight_power,
265};
266
267/* 6.4" TFT VGA (LoLo display number 5) */
268static struct pxafb_mach_info sharp_lq64d343 __initdata = {
269 .pixclock = 20000,
270 .xres = 640,
271 .yres = 480,
272 .bpp = 16,
273 .hsync_len = 49,
274 .left_margin = 0x89,
275 .right_margin = 0x19,
276 .vsync_len = 18,
277 .upper_margin = 0x22,
278 .lower_margin = 0,
279 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
280 .lccr0 = 0x07800080,
281 .lccr3 = 0x04400001,
282 .pxafb_backlight_power = lpd270_backlight_power,
283};
284
285/* 3.5" TFT QVGA (LoLo display number 8) */
286static struct pxafb_mach_info sharp_lq035q7db02_20 __initdata = {
287 .pixclock = 100000,
288 .xres = 240,
289 .yres = 320,
290 .bpp = 16,
291 .hsync_len = 0x34,
292 .left_margin = 0x09,
293 .right_margin = 0x09,
294 .vsync_len = 0x08,
295 .upper_margin = 0x05,
296 .lower_margin = 0x14,
297 .sync = 0,
298 .lccr0 = 0x07800080,
299 .lccr3 = 0x04400007,
300 .pxafb_backlight_power = lpd270_backlight_power,
301};
302
303static struct platform_device *platform_devices[] __initdata = {
304 &smc91x_device,
305 &lpd270_audio_device,
306 &lpd270_flash_device[0],
307 &lpd270_flash_device[1],
308};
309
310static int lpd270_ohci_init(struct device *dev)
311{
312 /* setup Port1 GPIO pin. */
313 pxa_gpio_mode(88 | GPIO_ALT_FN_1_IN); /* USBHPWR1 */
314 pxa_gpio_mode(89 | GPIO_ALT_FN_2_OUT); /* USBHPEN1 */
315
316 /* Set the Power Control Polarity Low and Power Sense
317 Polarity Low to active low. */
318 UHCHR = (UHCHR | UHCHR_PCPL | UHCHR_PSPL) &
319 ~(UHCHR_SSEP1 | UHCHR_SSEP2 | UHCHR_SSEP3 | UHCHR_SSE);
320
321 return 0;
322}
323
324static struct pxaohci_platform_data lpd270_ohci_platform_data = {
325 .port_mode = PMM_PERPORT_MODE,
326 .init = lpd270_ohci_init,
327};
328
329static void __init lpd270_init(void)
330{
331 lpd270_flash_data[0].width = (BOOT_DEF & 1) ? 2 : 4;
332 lpd270_flash_data[1].width = 4;
333
334 /*
335 * System bus arbiter setting:
336 * - Core_Park
337 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
338 */
339 ARB_CNTRL = ARB_CORE_PARK | 0x234;
340
341 /*
342 * On LogicPD PXA270, we route AC97_SYSCLK via GPIO45.
343 */
344 pxa_gpio_mode(GPIO45_SYSCLK_AC97_MD);
345
346 platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
347
348 // set_pxa_fb_info(&sharp_lq057q3dc02);
349 set_pxa_fb_info(&sharp_lq64d343);
350 // set_pxa_fb_info(&sharp_lq035q7db02_20);
351
352 pxa_set_ohci_info(&lpd270_ohci_platform_data);
353}
354
355
356static struct map_desc lpd270_io_desc[] __initdata = {
357 {
358 .virtual = LPD270_CPLD_VIRT,
359 .pfn = __phys_to_pfn(LPD270_CPLD_PHYS),
360 .length = LPD270_CPLD_SIZE,
361 .type = MT_DEVICE,
362 },
363};
364
365static void __init lpd270_map_io(void)
366{
367 pxa_map_io();
368 iotable_init(lpd270_io_desc, ARRAY_SIZE(lpd270_io_desc));
369
370 /* initialize sleep mode regs (wake-up sources, etc) */
371 PGSR0 = 0x00008800;
372 PGSR1 = 0x00000002;
373 PGSR2 = 0x0001FC00;
374 PGSR3 = 0x00001F81;
375 PWER = 0xC0000002;
376 PRER = 0x00000002;
377 PFER = 0x00000002;
378
379 /* for use I SRAM as framebuffer. */
380 PSLR |= 0x00000F04;
381 PCFR = 0x00000066;
382}
383
384MACHINE_START(LOGICPD_PXA270, "LogicPD PXA270 Card Engine")
385 /* Maintainer: Peter Barada */
386 .phys_io = 0x40000000,
387 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
388 .boot_params = 0xa0000100,
389 .map_io = lpd270_map_io,
390 .init_irq = lpd270_init_irq,
391 .timer = &pxa_timer,
392 .init_machine = lpd270_init,
393MACHINE_END
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 30ec317bbb97..0dbb079ecd25 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -467,6 +467,8 @@ struct platform_device akitaioexp_device = {
467 .id = -1, 467 .id = -1,
468}; 468};
469 469
470EXPORT_SYMBOL_GPL(akitaioexp_device);
471
470static void __init akita_init(void) 472static void __init akita_init(void)
471{ 473{
472 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode; 474 spitz_ficp_platform_data.transceiver_mode = akita_irda_transceiver_mode;
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index 6923316b3d0d..cd67ab1b217b 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -111,7 +111,7 @@ config SA1100_LART
111 bool "LART" 111 bool "LART"
112 help 112 help
113 Say Y here if you are using the Linux Advanced Radio Terminal 113 Say Y here if you are using the Linux Advanced Radio Terminal
114 (also known as the LART). See <http://www.lart.tudelft.nl/> for 114 (also known as the LART). See <http://www.lartmaker.nl/> for
115 information on the LART. 115 information on the LART.
116 116
117config SA1100_PLEB 117config SA1100_PLEB
diff --git a/arch/arm/mach-sa1100/cpu-sa1100.c b/arch/arm/mach-sa1100/cpu-sa1100.c
index 6435b2e48ffa..d68630b74d78 100644
--- a/arch/arm/mach-sa1100/cpu-sa1100.c
+++ b/arch/arm/mach-sa1100/cpu-sa1100.c
@@ -11,7 +11,7 @@
11 * linux-2.4.5-rmk1 11 * linux-2.4.5-rmk1
12 * 12 *
13 * This software has been developed while working on the LART 13 * This software has been developed while working on the LART
14 * computing board (http://www.lart.tudelft.nl/), which is 14 * computing board (http://www.lartmaker.nl/), which is
15 * sponsored by the Mobile Multi-media Communications 15 * sponsored by the Mobile Multi-media Communications
16 * (http://www.mmc.tudelft.nl/) and Ubiquitous Communications 16 * (http://www.mmc.tudelft.nl/) and Ubiquitous Communications
17 * (http://www.ubicom.tudelft.nl/) projects. 17 * (http://www.ubicom.tudelft.nl/) projects.
diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 2abdc419e984..9ea71551fc04 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -324,6 +324,11 @@ void sa11x0_set_irda_data(struct irda_platform_data *irda)
324 sa11x0ir_device.dev.platform_data = irda; 324 sa11x0ir_device.dev.platform_data = irda;
325} 325}
326 326
327static struct platform_device sa11x0rtc_device = {
328 .name = "sa1100-rtc",
329 .id = -1,
330};
331
327static struct platform_device *sa11x0_devices[] __initdata = { 332static struct platform_device *sa11x0_devices[] __initdata = {
328 &sa11x0udc_device, 333 &sa11x0udc_device,
329 &sa11x0uart1_device, 334 &sa11x0uart1_device,
@@ -333,6 +338,7 @@ static struct platform_device *sa11x0_devices[] __initdata = {
333 &sa11x0pcmcia_device, 338 &sa11x0pcmcia_device,
334 &sa11x0fb_device, 339 &sa11x0fb_device,
335 &sa11x0mtd_device, 340 &sa11x0mtd_device,
341 &sa11x0rtc_device,
336}; 342};
337 343
338static int __init sa1100_init(void) 344static int __init sa1100_init(void)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index e680c5fd93b5..c55b739e10ba 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -239,6 +239,17 @@ config CPU_XSCALE
239 select CPU_CACHE_VIVT 239 select CPU_CACHE_VIVT
240 select CPU_TLB_V4WBI 240 select CPU_TLB_V4WBI
241 241
242# XScale Core Version 3
243config CPU_XSC3
244 bool
245 depends on ARCH_IXP23XX
246 default y
247 select CPU_32v5
248 select CPU_ABRT_EV5T
249 select CPU_CACHE_VIVT
250 select CPU_TLB_V4WBI
251 select IO_36
252
242# ARMv6 253# ARMv6
243config CPU_V6 254config CPU_V6
244 bool "Support ARM V6 processor" 255 bool "Support ARM V6 processor"
@@ -361,11 +372,17 @@ config CPU_TLB_V4WBI
361config CPU_TLB_V6 372config CPU_TLB_V6
362 bool 373 bool
363 374
375#
376# CPU supports 36-bit I/O
377#
378config IO_36
379 bool
380
364comment "Processor Features" 381comment "Processor Features"
365 382
366config ARM_THUMB 383config ARM_THUMB
367 bool "Support Thumb user binaries" 384 bool "Support Thumb user binaries"
368 depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_V6 385 depends on CPU_ARM720T || CPU_ARM920T || CPU_ARM922T || CPU_ARM925T || CPU_ARM926T || CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || CPU_XSCALE || CPU_XSC3 || CPU_V6
369 default y 386 default y
370 help 387 help
371 Say Y if you want to include kernel support for running user space 388 Say Y if you want to include kernel support for running user space
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index ffe73ba2bf17..07a538505784 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_CPU_COPY_V4WB) += copypage-v4wb.o
30obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o mmu.o 30obj-$(CONFIG_CPU_COPY_V6) += copypage-v6.o mmu.o
31obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o 31obj-$(CONFIG_CPU_SA1100) += copypage-v4mc.o
32obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o 32obj-$(CONFIG_CPU_XSCALE) += copypage-xscale.o
33obj-$(CONFIG_CPU_XSC3) += copypage-xsc3.o
33 34
34obj-$(CONFIG_CPU_TLB_V3) += tlb-v3.o 35obj-$(CONFIG_CPU_TLB_V3) += tlb-v3.o
35obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o 36obj-$(CONFIG_CPU_TLB_V4WT) += tlb-v4.o
@@ -51,4 +52,5 @@ obj-$(CONFIG_CPU_ARM1026) += proc-arm1026.o
51obj-$(CONFIG_CPU_SA110) += proc-sa110.o 52obj-$(CONFIG_CPU_SA110) += proc-sa110.o
52obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o 53obj-$(CONFIG_CPU_SA1100) += proc-sa1100.o
53obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o 54obj-$(CONFIG_CPU_XSCALE) += proc-xscale.o
55obj-$(CONFIG_CPU_XSC3) += proc-xsc3.o
54obj-$(CONFIG_CPU_V6) += proc-v6.o 56obj-$(CONFIG_CPU_V6) += proc-v6.o
diff --git a/arch/arm/mm/copypage-xsc3.S b/arch/arm/mm/copypage-xsc3.S
new file mode 100644
index 000000000000..9a2cb4332b4c
--- /dev/null
+++ b/arch/arm/mm/copypage-xsc3.S
@@ -0,0 +1,97 @@
1/*
2 * linux/arch/arm/lib/copypage-xsc3.S
3 *
4 * Copyright (C) 2004 Intel Corp.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * Adapted for 3rd gen XScale core, no more mini-dcache
11 * Author: Matt Gilbert (matthew.m.gilbert@intel.com)
12 */
13
14#include <linux/linkage.h>
15#include <linux/init.h>
16#include <asm/asm-offsets.h>
17
18/*
19 * General note:
20 * We don't really want write-allocate cache behaviour for these functions
21 * since that will just eat through 8K of the cache.
22 */
23
24 .text
25 .align 5
26/*
27 * XSC3 optimised copy_user_page
28 * r0 = destination
29 * r1 = source
30 * r2 = virtual user address of ultimate destination page
31 *
32 * The source page may have some clean entries in the cache already, but we
33 * can safely ignore them - break_cow() will flush them out of the cache
34 * if we eventually end up using our copied page.
35 *
36 */
37ENTRY(xsc3_mc_copy_user_page)
38 stmfd sp!, {r4, r5, lr}
39 mov lr, #PAGE_SZ/64-1
40
41 pld [r1, #0]
42 pld [r1, #32]
431: pld [r1, #64]
44 pld [r1, #96]
45
462: ldrd r2, [r1], #8
47 mov ip, r0
48 ldrd r4, [r1], #8
49 mcr p15, 0, ip, c7, c6, 1 @ invalidate
50 strd r2, [r0], #8
51 ldrd r2, [r1], #8
52 strd r4, [r0], #8
53 ldrd r4, [r1], #8
54 strd r2, [r0], #8
55 strd r4, [r0], #8
56 ldrd r2, [r1], #8
57 mov ip, r0
58 ldrd r4, [r1], #8
59 mcr p15, 0, ip, c7, c6, 1 @ invalidate
60 strd r2, [r0], #8
61 ldrd r2, [r1], #8
62 subs lr, lr, #1
63 strd r4, [r0], #8
64 ldrd r4, [r1], #8
65 strd r2, [r0], #8
66 strd r4, [r0], #8
67 bgt 1b
68 beq 2b
69
70 ldmfd sp!, {r4, r5, pc}
71
72 .align 5
73/*
74 * XScale optimised clear_user_page
75 * r0 = destination
76 * r1 = virtual user address of ultimate destination page
77 */
78ENTRY(xsc3_mc_clear_user_page)
79 mov r1, #PAGE_SZ/32
80 mov r2, #0
81 mov r3, #0
821: mcr p15, 0, r0, c7, c6, 1 @ invalidate line
83 strd r2, [r0], #8
84 strd r2, [r0], #8
85 strd r2, [r0], #8
86 strd r2, [r0], #8
87 subs r1, r1, #1
88 bne 1b
89 mov pc, lr
90
91 __INITDATA
92
93 .type xsc3_mc_user_fns, #object
94ENTRY(xsc3_mc_user_fns)
95 .long xsc3_mc_clear_user_page
96 .long xsc3_mc_copy_user_page
97 .size xsc3_mc_user_fns, . - xsc3_mc_user_fns
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
index ef8d30a185a9..5e5d05bcad50 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mm-armv.c
@@ -557,7 +557,8 @@ void __init create_mapping(struct map_desc *md)
557 * supersections are only allocated for domain 0 regardless 557 * supersections are only allocated for domain 0 regardless
558 * of the actual domain assignments in use. 558 * of the actual domain assignments in use.
559 */ 559 */
560 if (cpu_architecture() >= CPU_ARCH_ARMv6 && domain == 0) { 560 if ((cpu_architecture() >= CPU_ARCH_ARMv6 || cpu_is_xsc3())
561 && domain == 0) {
561 /* 562 /*
562 * Align to supersection boundary if !high pages. 563 * Align to supersection boundary if !high pages.
563 * High pages have already been checked for proper 564 * High pages have already been checked for proper
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 9a7e7c096aa9..ee6f15298735 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -21,6 +21,14 @@
21 21
22#define D_CACHE_LINE_SIZE 32 22#define D_CACHE_LINE_SIZE 32
23 23
24#define TTB_C (1 << 0)
25#define TTB_S (1 << 1)
26#define TTB_IMP (1 << 2)
27#define TTB_RGN_NC (0 << 3)
28#define TTB_RGN_WBWA (1 << 3)
29#define TTB_RGN_WT (2 << 3)
30#define TTB_RGN_WB (3 << 3)
31
24 .macro cpsie, flags 32 .macro cpsie, flags
25 .ifc \flags, f 33 .ifc \flags, f
26 .long 0xf1080040 34 .long 0xf1080040
@@ -115,7 +123,7 @@ ENTRY(cpu_v6_switch_mm)
115 mov r2, #0 123 mov r2, #0
116 ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id 124 ldr r1, [r1, #MM_CONTEXT_ID] @ get mm->context.id
117#ifdef CONFIG_SMP 125#ifdef CONFIG_SMP
118 orr r0, r0, #2 @ set shared pgtable 126 orr r0, r0, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable
119#endif 127#endif
120 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB 128 mcr p15, 0, r2, c7, c5, 6 @ flush BTAC/BTB
121 mcr p15, 0, r2, c7, c10, 4 @ drain write buffer 129 mcr p15, 0, r2, c7, c10, 4 @ drain write buffer
@@ -161,8 +169,8 @@ ENTRY(cpu_v6_set_pte)
161 tst r1, #L_PTE_YOUNG 169 tst r1, #L_PTE_YOUNG
162 biceq r2, r2, #PTE_EXT_APX | PTE_EXT_AP_MASK 170 biceq r2, r2, #PTE_EXT_APX | PTE_EXT_AP_MASK
163 171
164@ tst r1, #L_PTE_EXEC 172 tst r1, #L_PTE_EXEC
165@ orreq r2, r2, #PTE_EXT_XN 173 orreq r2, r2, #PTE_EXT_XN
166 174
167 tst r1, #L_PTE_PRESENT 175 tst r1, #L_PTE_PRESENT
168 moveq r2, #0 176 moveq r2, #0
@@ -221,7 +229,7 @@ __v6_setup:
221 mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs 229 mcr p15, 0, r0, c8, c7, 0 @ invalidate I + D TLBs
222 mcr p15, 0, r0, c2, c0, 2 @ TTB control register 230 mcr p15, 0, r0, c2, c0, 2 @ TTB control register
223#ifdef CONFIG_SMP 231#ifdef CONFIG_SMP
224 orr r4, r4, #2 @ set shared pgtable 232 orr r4, r4, #TTB_RGN_WBWA|TTB_S @ mark PTWs shared, outer cacheable
225#endif 233#endif
226 mcr p15, 0, r4, c2, c0, 1 @ load TTB1 234 mcr p15, 0, r4, c2, c0, 1 @ load TTB1
227#ifdef CONFIG_VFP 235#ifdef CONFIG_VFP
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
new file mode 100644
index 000000000000..f90513e9af0c
--- /dev/null
+++ b/arch/arm/mm/proc-xsc3.S
@@ -0,0 +1,498 @@
1/*
2 * linux/arch/arm/mm/proc-xsc3.S
3 *
4 * Original Author: Matthew Gilbert
5 * Current Maintainer: Deepak Saxena <dsaxena@plexity.net>
6 *
7 * Copyright 2004 (C) Intel Corp.
8 * Copyright 2005 (c) MontaVista Software, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 *
14 * MMU functions for the Intel XScale3 Core (XSC3). The XSC3 core is an
15 * extension to Intel's original XScale core that adds the following
16 * features:
17 *
18 * - ARMv6 Supersections
19 * - Low Locality Reference pages (replaces mini-cache)
20 * - 36-bit addressing
21 * - L2 cache
22 * - Cache-coherency if chipset supports it
23 *
24 * Based on orignal XScale code by Nicolas Pitre
25 */
26
27#include <linux/linkage.h>
28#include <linux/init.h>
29#include <asm/assembler.h>
30#include <asm/procinfo.h>
31#include <asm/hardware.h>
32#include <asm/pgtable.h>
33#include <asm/page.h>
34#include <asm/ptrace.h>
35#include "proc-macros.S"
36
37/*
38 * This is the maximum size of an area which will be flushed. If the
39 * area is larger than this, then we flush the whole cache.
40 */
41#define MAX_AREA_SIZE 32768
42
43/*
44 * The cache line size of the I and D cache.
45 */
46#define CACHELINESIZE 32
47
48/*
49 * The size of the data cache.
50 */
51#define CACHESIZE 32768
52
53/*
54 * Run with L2 enabled.
55 */
56#define L2_CACHE_ENABLE 1
57
58/*
59 * Enable the Branch Target Buffer (can cause crashes, see erratum #42.)
60 */
61#define BTB_ENABLE 0
62
63/*
64 * This macro is used to wait for a CP15 write and is needed
65 * when we have to ensure that the last operation to the co-pro
66 * was completed before continuing with operation.
67 */
68 .macro cpwait_ret, lr, rd
69 mrc p15, 0, \rd, c2, c0, 0 @ arbitrary read of cp15
70 sub pc, \lr, \rd, LSR #32 @ wait for completion and
71 @ flush instruction pipeline
72 .endm
73
74/*
75 * This macro cleans & invalidates the entire xsc3 dcache by set & way.
76 */
77
78 .macro clean_d_cache rd, rs
79 mov \rd, #0x1f00
80 orr \rd, \rd, #0x00e0
811: mcr p15, 0, \rd, c7, c14, 2 @ clean/inv set/way
82 adds \rd, \rd, #0x40000000
83 bcc 1b
84 subs \rd, \rd, #0x20
85 bpl 1b
86 .endm
87
88 .text
89
90/*
91 * cpu_xsc3_proc_init()
92 *
93 * Nothing too exciting at the moment
94 */
95ENTRY(cpu_xsc3_proc_init)
96 mov pc, lr
97
98/*
99 * cpu_xsc3_proc_fin()
100 */
101ENTRY(cpu_xsc3_proc_fin)
102 str lr, [sp, #-4]!
103 mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
104 msr cpsr_c, r0
105 bl xsc3_flush_kern_cache_all @ clean caches
106 mrc p15, 0, r0, c1, c0, 0 @ ctrl register
107 bic r0, r0, #0x1800 @ ...IZ...........
108 bic r0, r0, #0x0006 @ .............CA.
109 mcr p15, 0, r0, c1, c0, 0 @ disable caches
110 ldr pc, [sp], #4
111
112/*
113 * cpu_xsc3_reset(loc)
114 *
115 * Perform a soft reset of the system. Put the CPU into the
116 * same state as it would be if it had been reset, and branch
117 * to what would be the reset vector.
118 *
119 * loc: location to jump to for soft reset
120 */
121 .align 5
122ENTRY(cpu_xsc3_reset)
123 mov r1, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
124 msr cpsr_c, r1 @ reset CPSR
125 mrc p15, 0, r1, c1, c0, 0 @ ctrl register
126 bic r1, r1, #0x0086 @ ........B....CA.
127 bic r1, r1, #0x3900 @ ..VIZ..S........
128 mcr p15, 0, r1, c1, c0, 0 @ ctrl register
129 mcr p15, 0, ip, c7, c7, 0 @ invalidate I,D caches & BTB
130 bic r1, r1, #0x0001 @ ...............M
131 mcr p15, 0, r1, c1, c0, 0 @ ctrl register
132 @ CAUTION: MMU turned off from this point. We count on the pipeline
133 @ already containing those two last instructions to survive.
134 mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
135 mov pc, r0
136
137/*
138 * cpu_xsc3_do_idle()
139 *
140 * Cause the processor to idle
141 *
142 * For now we do nothing but go to idle mode for every case
143 *
144 * XScale supports clock switching, but using idle mode support
145 * allows external hardware to react to system state changes.
146
147 MMG: Come back to this one.
148 */
149 .align 5
150
151ENTRY(cpu_xsc3_do_idle)
152 mov r0, #1
153 mcr p14, 0, r0, c7, c0, 0 @ Go to IDLE
154 mov pc, lr
155
156/* ================================= CACHE ================================ */
157
158/*
159 * flush_user_cache_all()
160 *
161 * Invalidate all cache entries in a particular address
162 * space.
163 */
164ENTRY(xsc3_flush_user_cache_all)
165 /* FALLTHROUGH */
166
167/*
168 * flush_kern_cache_all()
169 *
170 * Clean and invalidate the entire cache.
171 */
172ENTRY(xsc3_flush_kern_cache_all)
173 mov r2, #VM_EXEC
174 mov ip, #0
175__flush_whole_cache:
176 clean_d_cache r0, r1
177 tst r2, #VM_EXEC
178 mcrne p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB
179 mcrne p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
180 mcrne p15, 0, ip, c7, c5, 4 @ Prefetch Flush
181 mov pc, lr
182
183/*
184 * flush_user_cache_range(start, end, vm_flags)
185 *
186 * Invalidate a range of cache entries in the specified
187 * address space.
188 *
189 * - start - start address (may not be aligned)
190 * - end - end address (exclusive, may not be aligned)
191 * - vma - vma_area_struct describing address space
192 */
193 .align 5
194ENTRY(xsc3_flush_user_cache_range)
195 mov ip, #0
196 sub r3, r1, r0 @ calculate total size
197 cmp r3, #MAX_AREA_SIZE
198 bhs __flush_whole_cache
199
2001: tst r2, #VM_EXEC
201 mcrne p15, 0, r0, c7, c5, 1 @ Invalidate I cache line
202 mcr p15, 0, r0, c7, c14, 1 @ Clean/invalidate D cache line
203 add r0, r0, #CACHELINESIZE
204 cmp r0, r1
205 blo 1b
206 tst r2, #VM_EXEC
207 mcrne p15, 0, ip, c7, c5, 6 @ Invalidate BTB
208 mcrne p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
209 mcrne p15, 0, ip, c7, c5, 4 @ Prefetch Flush
210 mov pc, lr
211
212/*
213 * coherent_kern_range(start, end)
214 *
215 * Ensure coherency between the Icache and the Dcache in the
216 * region described by start. If you have non-snooping
217 * Harvard caches, you need to implement this function.
218 *
219 * - start - virtual start address
220 * - end - virtual end address
221 *
222 * Note: single I-cache line invalidation isn't used here since
223 * it also trashes the mini I-cache used by JTAG debuggers.
224 */
225ENTRY(xsc3_coherent_kern_range)
226/* FALLTHROUGH */
227ENTRY(xsc3_coherent_user_range)
228 bic r0, r0, #CACHELINESIZE - 1
2291: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
230 add r0, r0, #CACHELINESIZE
231 cmp r0, r1
232 blo 1b
233 mov r0, #0
234 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB
235 mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
236 mcr p15, 0, r0, c7, c5, 4 @ Prefetch Flush
237 mov pc, lr
238
239/*
240 * flush_kern_dcache_page(void *page)
241 *
242 * Ensure no D cache aliasing occurs, either with itself or
243 * the I cache
244 *
245 * - addr - page aligned address
246 */
247ENTRY(xsc3_flush_kern_dcache_page)
248 add r1, r0, #PAGE_SZ
2491: mcr p15, 0, r0, c7, c14, 1 @ Clean/Invalidate D Cache line
250 add r0, r0, #CACHELINESIZE
251 cmp r0, r1
252 blo 1b
253 mov r0, #0
254 mcr p15, 0, r0, c7, c5, 0 @ Invalidate I cache & BTB
255 mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
256 mcr p15, 0, r0, c7, c5, 4 @ Prefetch Flush
257 mov pc, lr
258
259/*
260 * dma_inv_range(start, end)
261 *
262 * Invalidate (discard) the specified virtual address range.
263 * May not write back any entries. If 'start' or 'end'
264 * are not cache line aligned, those lines must be written
265 * back.
266 *
267 * - start - virtual start address
268 * - end - virtual end address
269 */
270ENTRY(xsc3_dma_inv_range)
271 tst r0, #CACHELINESIZE - 1
272 bic r0, r0, #CACHELINESIZE - 1
273 mcrne p15, 0, r0, c7, c10, 1 @ clean L1 D entry
274 mcrne p15, 1, r0, c7, c11, 1 @ clean L2 D entry
275 tst r1, #CACHELINESIZE - 1
276 mcrne p15, 0, r1, c7, c10, 1 @ clean L1 D entry
277 mcrne p15, 1, r1, c7, c11, 1 @ clean L2 D entry
2781: mcr p15, 0, r0, c7, c6, 1 @ invalidate L1 D entry
279 mcr p15, 1, r0, c7, c7, 1 @ Invalidate L2 D cache line
280 add r0, r0, #CACHELINESIZE
281 cmp r0, r1
282 blo 1b
283 mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
284 mov pc, lr
285
286/*
287 * dma_clean_range(start, end)
288 *
289 * Clean the specified virtual address range.
290 *
291 * - start - virtual start address
292 * - end - virtual end address
293 */
294ENTRY(xsc3_dma_clean_range)
295 bic r0, r0, #CACHELINESIZE - 1
2961: mcr p15, 0, r0, c7, c10, 1 @ clean L1 D entry
297 mcr p15, 1, r0, c7, c11, 1 @ clean L2 D entry
298 add r0, r0, #CACHELINESIZE
299 cmp r0, r1
300 blo 1b
301 mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
302 mov pc, lr
303
304/*
305 * dma_flush_range(start, end)
306 *
307 * Clean and invalidate the specified virtual address range.
308 *
309 * - start - virtual start address
310 * - end - virtual end address
311 */
312ENTRY(xsc3_dma_flush_range)
313 bic r0, r0, #CACHELINESIZE - 1
3141: mcr p15, 0, r0, c7, c14, 1 @ Clean/invalidate L1 D cache line
315 mcr p15, 1, r0, c7, c11, 1 @ Clean L2 D cache line
316 mcr p15, 1, r0, c7, c7, 1 @ Invalidate L2 D cache line
317 add r0, r0, #CACHELINESIZE
318 cmp r0, r1
319 blo 1b
320 mcr p15, 0, r0, c7, c10, 4 @ Drain Write Buffer
321 mov pc, lr
322
323ENTRY(xsc3_cache_fns)
324 .long xsc3_flush_kern_cache_all
325 .long xsc3_flush_user_cache_all
326 .long xsc3_flush_user_cache_range
327 .long xsc3_coherent_kern_range
328 .long xsc3_coherent_user_range
329 .long xsc3_flush_kern_dcache_page
330 .long xsc3_dma_inv_range
331 .long xsc3_dma_clean_range
332 .long xsc3_dma_flush_range
333
334ENTRY(cpu_xsc3_dcache_clean_area)
3351: mcr p15, 0, r0, c7, c10, 1 @ clean D entry
336 add r0, r0, #CACHELINESIZE
337 subs r1, r1, #CACHELINESIZE
338 bhi 1b
339 mov pc, lr
340
341/* =============================== PageTable ============================== */
342
343/*
344 * cpu_xsc3_switch_mm(pgd)
345 *
346 * Set the translation base pointer to be as described by pgd.
347 *
348 * pgd: new page tables
349 */
350 .align 5
351ENTRY(cpu_xsc3_switch_mm)
352 clean_d_cache r1, r2
353 mcr p15, 0, ip, c7, c5, 0 @ Invalidate I cache & BTB
354 mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
355 mcr p15, 0, ip, c7, c5, 4 @ Prefetch Flush
356#ifdef L2_CACHE_ENABLE
357 orr r0, r0, #0x18 @ cache the page table in L2
358#endif
359 mcr p15, 0, r0, c2, c0, 0 @ load page table pointer
360 mcr p15, 0, ip, c8, c7, 0 @ invalidate I & D TLBs
361 cpwait_ret lr, ip
362
363/*
364 * cpu_xsc3_set_pte(ptep, pte)
365 *
366 * Set a PTE and flush it out
367 *
368 */
369 .align 5
370ENTRY(cpu_xsc3_set_pte)
371 str r1, [r0], #-2048 @ linux version
372
373 bic r2, r1, #0xff0
374 orr r2, r2, #PTE_TYPE_EXT @ extended page
375
376 eor r3, r1, #L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_WRITE | L_PTE_DIRTY
377
378 tst r3, #L_PTE_USER @ User?
379 orrne r2, r2, #PTE_EXT_AP_URO_SRW @ yes -> user r/o, system r/w
380
381 tst r3, #L_PTE_WRITE | L_PTE_DIRTY @ Write and Dirty?
382 orreq r2, r2, #PTE_EXT_AP_UNO_SRW @ yes -> user n/a, system r/w
383 @ combined with user -> user r/w
384
385#if L2_CACHE_ENABLE
386 @ If its cacheable it needs to be in L2 also.
387 eor ip, r1, #L_PTE_CACHEABLE
388 tst ip, #L_PTE_CACHEABLE
389 orreq r2, r2, #PTE_EXT_TEX(0x5)
390#endif
391
392 tst r3, #L_PTE_PRESENT | L_PTE_YOUNG @ Present and Young?
393 movne r2, #0 @ no -> fault
394
395 str r2, [r0] @ hardware version
396 mov ip, #0
397 mcr p15, 0, r0, c7, c10, 1 @ Clean D cache line mcr
398 mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
399 mov pc, lr
400
401 .ltorg
402
403 .align
404
405 __INIT
406
407 .type __xsc3_setup, #function
408__xsc3_setup:
409 mov r0, #PSR_F_BIT|PSR_I_BIT|SVC_MODE
410 msr cpsr_c, r0
411 mcr p15, 0, ip, c7, c7, 0 @ invalidate I, D caches & BTB
412 mcr p15, 0, ip, c7, c10, 4 @ Drain Write Buffer
413 mcr p15, 0, ip, c7, c5, 4 @ Prefetch Flush
414 mcr p15, 0, ip, c8, c7, 0 @ invalidate I, D TLBs
415#if L2_CACHE_ENABLE
416 orr r4, r4, #0x18 @ cache the page table in L2
417#endif
418 mcr p15, 0, r4, c2, c0, 0 @ load page table pointer
419 mov r0, #1 @ Allow access to CP0 and CP13
420 orr r0, r0, #1 << 13 @ Its undefined whether this
421 mcr p15, 0, r0, c15, c1, 0 @ affects USR or SVC modes
422 mrc p15, 0, r0, c1, c0, 1 @ get auxiliary control reg
423 and r0, r0, #2 @ preserve bit P bit setting
424#if L2_CACHE_ENABLE
425 orr r0, r0, #(1 << 10) @ enable L2 for LLR cache
426#endif
427 mcr p15, 0, r0, c1, c0, 1 @ set auxiliary control reg
428 mrc p15, 0, r0, c1, c0, 0 @ get control register
429 bic r0, r0, #0x0200 @ .... ..R. .... ....
430 bic r0, r0, #0x0002 @ .... .... .... ..A.
431 orr r0, r0, #0x0005 @ .... .... .... .C.M
432#if BTB_ENABLE
433 orr r0, r0, #0x3900 @ ..VI Z..S .... ....
434#else
435 orr r0, r0, #0x3100 @ ..VI ...S .... ....
436#endif
437#if L2_CACHE_ENABLE
438 orr r0, r0, #0x4000000 @ L2 enable
439#endif
440 mov pc, lr
441
442 .size __xsc3_setup, . - __xsc3_setup
443
444 __INITDATA
445
446/*
447 * Purpose : Function pointers used to access above functions - all calls
448 * come through these
449 */
450
451 .type xsc3_processor_functions, #object
452ENTRY(xsc3_processor_functions)
453 .word v5t_early_abort
454 .word cpu_xsc3_proc_init
455 .word cpu_xsc3_proc_fin
456 .word cpu_xsc3_reset
457 .word cpu_xsc3_do_idle
458 .word cpu_xsc3_dcache_clean_area
459 .word cpu_xsc3_switch_mm
460 .word cpu_xsc3_set_pte
461 .size xsc3_processor_functions, . - xsc3_processor_functions
462
463 .section ".rodata"
464
465 .type cpu_arch_name, #object
466cpu_arch_name:
467 .asciz "armv5te"
468 .size cpu_arch_name, . - cpu_arch_name
469
470 .type cpu_elf_name, #object
471cpu_elf_name:
472 .asciz "v5"
473 .size cpu_elf_name, . - cpu_elf_name
474
475 .type cpu_xsc3_name, #object
476cpu_xsc3_name:
477 .asciz "XScale-Core3"
478 .size cpu_xsc3_name, . - cpu_xsc3_name
479
480 .align
481
482 .section ".proc.info.init", #alloc, #execinstr
483
484 .type __xsc3_proc_info,#object
485__xsc3_proc_info:
486 .long 0x69056000
487 .long 0xffffe000
488 .long 0x00000c0e
489 b __xsc3_setup
490 .long cpu_arch_name
491 .long cpu_elf_name
492 .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
493 .long cpu_xsc3_name
494 .long xsc3_processor_functions
495 .long v4wbi_tlb_fns
496 .long xsc3_mc_user_fns
497 .long xsc3_cache_fns
498 .size __xsc3_proc_info, . - __xsc3_proc_info
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