diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-09 15:52:05 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-06-09 15:52:05 -0400 |
commit | 5ebe5500fb808c9079ec81a7841482c72d30de56 (patch) | |
tree | 5f8cd4d2a983348bf3633edff456f716f970d6f9 /arch | |
parent | 29cf519ee086686e5f0fc91cbb2d601dd1190f9c (diff) | |
parent | 62b62c5c29468412cadd39dfb1113d3f0a323cfe (diff) |
Merge branch 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32
* 'unicore32' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32:
unicore32: using generic-y format for one line asm-generic files
unicore32: change PERCPU to PERCPU_SECTION
unicore32: add KBUILD_DEFCONFIG with unicore32_defconfig (old debug_defconfig)
unicore32: change zImage physical address, though it's PIC codes
unicore32: move rtc-puv3.c to drivers/rtc directory
Diffstat (limited to 'arch')
-rw-r--r-- | arch/unicore32/Kconfig | 4 | ||||
-rw-r--r-- | arch/unicore32/Makefile | 38 | ||||
-rw-r--r-- | arch/unicore32/boot/compressed/Makefile | 2 | ||||
-rw-r--r-- | arch/unicore32/configs/unicore32_defconfig (renamed from arch/unicore32/configs/debug_defconfig) | 8 | ||||
-rw-r--r-- | arch/unicore32/include/asm/Kbuild | 59 | ||||
-rw-r--r-- | arch/unicore32/kernel/Makefile | 1 | ||||
-rw-r--r-- | arch/unicore32/kernel/rtc.c | 371 | ||||
-rw-r--r-- | arch/unicore32/kernel/vmlinux.lds.S | 2 |
8 files changed, 67 insertions, 418 deletions
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index d3a303246c9f..e57dcce9bfda 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig | |||
@@ -231,10 +231,6 @@ config PUV3_PWM | |||
231 | help | 231 | help |
232 | Enable support for NB0916 PWM controllers | 232 | Enable support for NB0916 PWM controllers |
233 | 233 | ||
234 | config PUV3_RTC | ||
235 | tristate "PKUnity v3 RTC Support" | ||
236 | depends on !ARCH_FPGA | ||
237 | |||
238 | if PUV3_NB0916 | 234 | if PUV3_NB0916 |
239 | 235 | ||
240 | menu "PKUnity NetBook-0916 Features" | 236 | menu "PKUnity NetBook-0916 Features" |
diff --git a/arch/unicore32/Makefile b/arch/unicore32/Makefile index 76a8beec7d03..6af4bc415f2b 100644 --- a/arch/unicore32/Makefile +++ b/arch/unicore32/Makefile | |||
@@ -40,42 +40,10 @@ core-y += arch/unicore32/mm/ | |||
40 | 40 | ||
41 | libs-y += arch/unicore32/lib/ | 41 | libs-y += arch/unicore32/lib/ |
42 | 42 | ||
43 | ASM_GENERATED_DIR := $(srctree)/arch/unicore32/include/generated | ||
44 | LINUXINCLUDE += -I$(ASM_GENERATED_DIR) | ||
45 | |||
46 | ASM_GENERIC_HEADERS := atomic.h auxvec.h | ||
47 | ASM_GENERIC_HEADERS += bitsperlong.h bug.h bugs.h | ||
48 | ASM_GENERIC_HEADERS += cputime.h current.h | ||
49 | ASM_GENERIC_HEADERS += device.h div64.h | ||
50 | ASM_GENERIC_HEADERS += emergency-restart.h errno.h | ||
51 | ASM_GENERIC_HEADERS += fb.h fcntl.h ftrace.h futex.h | ||
52 | ASM_GENERIC_HEADERS += hardirq.h hw_irq.h | ||
53 | ASM_GENERIC_HEADERS += ioctl.h ioctls.h ipcbuf.h irq_regs.h | ||
54 | ASM_GENERIC_HEADERS += kdebug.h kmap_types.h | ||
55 | ASM_GENERIC_HEADERS += local.h | ||
56 | ASM_GENERIC_HEADERS += mman.h module.h msgbuf.h | ||
57 | ASM_GENERIC_HEADERS += param.h parport.h percpu.h poll.h posix_types.h | ||
58 | ASM_GENERIC_HEADERS += resource.h | ||
59 | ASM_GENERIC_HEADERS += scatterlist.h sections.h segment.h sembuf.h serial.h | ||
60 | ASM_GENERIC_HEADERS += setup.h shmbuf.h shmparam.h | ||
61 | ASM_GENERIC_HEADERS += siginfo.h signal.h sizes.h | ||
62 | ASM_GENERIC_HEADERS += socket.h sockios.h stat.h statfs.h swab.h syscalls.h | ||
63 | ASM_GENERIC_HEADERS += termbits.h termios.h topology.h types.h | ||
64 | ASM_GENERIC_HEADERS += ucontext.h unaligned.h user.h | ||
65 | ASM_GENERIC_HEADERS += vga.h | ||
66 | ASM_GENERIC_HEADERS += xor.h | ||
67 | |||
68 | archprepare: | ||
69 | ifneq ($(ASM_GENERATED_DIR), $(wildcard $(ASM_GENERATED_DIR))) | ||
70 | $(Q)mkdir -p $(ASM_GENERATED_DIR)/asm | ||
71 | $(Q)$(foreach a, $(ASM_GENERIC_HEADERS), \ | ||
72 | echo '#include <asm-generic/$a>' \ | ||
73 | > $(ASM_GENERATED_DIR)/asm/$a; ) | ||
74 | endif | ||
75 | |||
76 | boot := arch/unicore32/boot | 43 | boot := arch/unicore32/boot |
77 | 44 | ||
78 | # Default target when executing plain make | 45 | # Default defconfig and target when executing plain make |
46 | KBUILD_DEFCONFIG := $(ARCH)_defconfig | ||
79 | KBUILD_IMAGE := zImage | 47 | KBUILD_IMAGE := zImage |
80 | 48 | ||
81 | all: $(KBUILD_IMAGE) | 49 | all: $(KBUILD_IMAGE) |
@@ -83,8 +51,6 @@ all: $(KBUILD_IMAGE) | |||
83 | zImage Image uImage: vmlinux | 51 | zImage Image uImage: vmlinux |
84 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ | 52 | $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@ |
85 | 53 | ||
86 | MRPROPER_DIRS += $(ASM_GENERATED_DIR) | ||
87 | |||
88 | archclean: | 54 | archclean: |
89 | $(Q)$(MAKE) $(clean)=$(boot) | 55 | $(Q)$(MAKE) $(clean)=$(boot) |
90 | 56 | ||
diff --git a/arch/unicore32/boot/compressed/Makefile b/arch/unicore32/boot/compressed/Makefile index 95373428cb3d..b0954a2d23cf 100644 --- a/arch/unicore32/boot/compressed/Makefile +++ b/arch/unicore32/boot/compressed/Makefile | |||
@@ -59,7 +59,7 @@ $(obj)/vmlinux: $(obj)/vmlinux.lds $(obj)/head.o $(obj)/piggy.o \ | |||
59 | # We now have a PIC decompressor implementation. Decompressors running | 59 | # We now have a PIC decompressor implementation. Decompressors running |
60 | # from RAM should not define ZTEXTADDR. Decompressors running directly | 60 | # from RAM should not define ZTEXTADDR. Decompressors running directly |
61 | # from ROM or Flash must define ZTEXTADDR (preferably via the config) | 61 | # from ROM or Flash must define ZTEXTADDR (preferably via the config) |
62 | ZTEXTADDR := 0 | 62 | ZTEXTADDR := 0x03000000 |
63 | ZBSSADDR := ALIGN(4) | 63 | ZBSSADDR := ALIGN(4) |
64 | 64 | ||
65 | SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ | 65 | SEDFLAGS_lds = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/ |
diff --git a/arch/unicore32/configs/debug_defconfig b/arch/unicore32/configs/unicore32_defconfig index b5fbde9f1cb2..c9dd3198b6f7 100644 --- a/arch/unicore32/configs/debug_defconfig +++ b/arch/unicore32/configs/unicore32_defconfig | |||
@@ -1,6 +1,6 @@ | |||
1 | ### General setup | 1 | ### General setup |
2 | CONFIG_EXPERIMENTAL=y | 2 | CONFIG_EXPERIMENTAL=y |
3 | CONFIG_LOCALVERSION="-debug" | 3 | CONFIG_LOCALVERSION="-unicore32" |
4 | CONFIG_SWAP=y | 4 | CONFIG_SWAP=y |
5 | CONFIG_SYSVIPC=y | 5 | CONFIG_SYSVIPC=y |
6 | CONFIG_POSIX_MQUEUE=y | 6 | CONFIG_POSIX_MQUEUE=y |
@@ -64,7 +64,6 @@ CONFIG_I2C_BATTERY_BQ27200=n | |||
64 | CONFIG_I2C_EEPROM_AT24=n | 64 | CONFIG_I2C_EEPROM_AT24=n |
65 | CONFIG_LCD_BACKLIGHT=n | 65 | CONFIG_LCD_BACKLIGHT=n |
66 | 66 | ||
67 | CONFIG_PUV3_RTC=y | ||
68 | CONFIG_PUV3_UMAL=y | 67 | CONFIG_PUV3_UMAL=y |
69 | CONFIG_PUV3_MUSB=n | 68 | CONFIG_PUV3_MUSB=n |
70 | CONFIG_PUV3_AC97=n | 69 | CONFIG_PUV3_AC97=n |
@@ -167,8 +166,9 @@ CONFIG_LEDS_TRIGGER_IDE_DISK=y | |||
167 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y | 166 | CONFIG_LEDS_TRIGGER_HEARTBEAT=y |
168 | 167 | ||
169 | # Real Time Clock | 168 | # Real Time Clock |
170 | CONFIG_RTC_LIB=m | 169 | CONFIG_RTC_LIB=y |
171 | CONFIG_RTC_CLASS=m | 170 | CONFIG_RTC_CLASS=y |
171 | CONFIG_RTC_DRV_PUV3=y | ||
172 | 172 | ||
173 | ### File systems | 173 | ### File systems |
174 | CONFIG_EXT2_FS=m | 174 | CONFIG_EXT2_FS=m |
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index b200fdaca44d..ca113d6999c5 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild | |||
@@ -1,2 +1,61 @@ | |||
1 | include include/asm-generic/Kbuild.asm | 1 | include include/asm-generic/Kbuild.asm |
2 | 2 | ||
3 | generic-y += atomic.h | ||
4 | generic-y += auxvec.h | ||
5 | generic-y += bitsperlong.h | ||
6 | generic-y += bug.h | ||
7 | generic-y += bugs.h | ||
8 | generic-y += cputime.h | ||
9 | generic-y += current.h | ||
10 | generic-y += device.h | ||
11 | generic-y += div64.h | ||
12 | generic-y += emergency-restart.h | ||
13 | generic-y += errno.h | ||
14 | generic-y += fb.h | ||
15 | generic-y += fcntl.h | ||
16 | generic-y += ftrace.h | ||
17 | generic-y += futex.h | ||
18 | generic-y += hardirq.h | ||
19 | generic-y += hw_irq.h | ||
20 | generic-y += ioctl.h | ||
21 | generic-y += ioctls.h | ||
22 | generic-y += ipcbuf.h | ||
23 | generic-y += irq_regs.h | ||
24 | generic-y += kdebug.h | ||
25 | generic-y += kmap_types.h | ||
26 | generic-y += local.h | ||
27 | generic-y += mman.h | ||
28 | generic-y += module.h | ||
29 | generic-y += msgbuf.h | ||
30 | generic-y += param.h | ||
31 | generic-y += parport.h | ||
32 | generic-y += percpu.h | ||
33 | generic-y += poll.h | ||
34 | generic-y += posix_types.h | ||
35 | generic-y += resource.h | ||
36 | generic-y += scatterlist.h | ||
37 | generic-y += sections.h | ||
38 | generic-y += segment.h | ||
39 | generic-y += sembuf.h | ||
40 | generic-y += serial.h | ||
41 | generic-y += setup.h | ||
42 | generic-y += shmbuf.h | ||
43 | generic-y += shmparam.h | ||
44 | generic-y += siginfo.h | ||
45 | generic-y += signal.h | ||
46 | generic-y += sizes.h | ||
47 | generic-y += socket.h | ||
48 | generic-y += sockios.h | ||
49 | generic-y += stat.h | ||
50 | generic-y += statfs.h | ||
51 | generic-y += swab.h | ||
52 | generic-y += syscalls.h | ||
53 | generic-y += termbits.h | ||
54 | generic-y += termios.h | ||
55 | generic-y += topology.h | ||
56 | generic-y += types.h | ||
57 | generic-y += ucontext.h | ||
58 | generic-y += unaligned.h | ||
59 | generic-y += user.h | ||
60 | generic-y += vga.h | ||
61 | generic-y += xor.h | ||
diff --git a/arch/unicore32/kernel/Makefile b/arch/unicore32/kernel/Makefile index ec23a2fb2f50..aeb0f181568e 100644 --- a/arch/unicore32/kernel/Makefile +++ b/arch/unicore32/kernel/Makefile | |||
@@ -16,7 +16,6 @@ obj-$(CONFIG_UNICORE_FPU_F64) += fpu-ucf64.o | |||
16 | obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o | 16 | obj-$(CONFIG_ARCH_PUV3) += clock.o irq.o time.o |
17 | 17 | ||
18 | obj-$(CONFIG_PUV3_GPIO) += gpio.o | 18 | obj-$(CONFIG_PUV3_GPIO) += gpio.o |
19 | obj-$(CONFIG_PUV3_RTC) += rtc.o | ||
20 | obj-$(CONFIG_PUV3_PWM) += pwm.o | 19 | obj-$(CONFIG_PUV3_PWM) += pwm.o |
21 | obj-$(CONFIG_PUV3_PM) += pm.o sleep.o | 20 | obj-$(CONFIG_PUV3_PM) += pm.o sleep.o |
22 | obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o | 21 | obj-$(CONFIG_HIBERNATION) += hibernate.o hibernate_asm.o |
diff --git a/arch/unicore32/kernel/rtc.c b/arch/unicore32/kernel/rtc.c deleted file mode 100644 index 8cad70b3302c..000000000000 --- a/arch/unicore32/kernel/rtc.c +++ /dev/null | |||
@@ -1,371 +0,0 @@ | |||
1 | /* | ||
2 | * linux/arch/unicore32/kernel/rtc.c | ||
3 | * | ||
4 | * Code specific to PKUnity SoC and UniCore ISA | ||
5 | * | ||
6 | * Maintained by GUAN Xue-tao <gxt@mprc.pku.edu.cn> | ||
7 | * Copyright (C) 2001-2010 Guan Xuetao | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License version 2 as | ||
11 | * published by the Free Software Foundation. | ||
12 | */ | ||
13 | |||
14 | #include <linux/module.h> | ||
15 | #include <linux/fs.h> | ||
16 | #include <linux/string.h> | ||
17 | #include <linux/init.h> | ||
18 | #include <linux/platform_device.h> | ||
19 | #include <linux/interrupt.h> | ||
20 | #include <linux/rtc.h> | ||
21 | #include <linux/bcd.h> | ||
22 | #include <linux/clk.h> | ||
23 | #include <linux/log2.h> | ||
24 | #include <linux/slab.h> | ||
25 | #include <linux/uaccess.h> | ||
26 | #include <linux/io.h> | ||
27 | |||
28 | #include <asm/irq.h> | ||
29 | #include <mach/hardware.h> | ||
30 | |||
31 | static struct resource *puv3_rtc_mem; | ||
32 | |||
33 | static int puv3_rtc_alarmno = IRQ_RTCAlarm; | ||
34 | static int puv3_rtc_tickno = IRQ_RTC; | ||
35 | |||
36 | static DEFINE_SPINLOCK(puv3_rtc_pie_lock); | ||
37 | |||
38 | /* IRQ Handlers */ | ||
39 | |||
40 | static irqreturn_t puv3_rtc_alarmirq(int irq, void *id) | ||
41 | { | ||
42 | struct rtc_device *rdev = id; | ||
43 | |||
44 | writel(readl(RTC_RTSR) | RTC_RTSR_AL, RTC_RTSR); | ||
45 | rtc_update_irq(rdev, 1, RTC_AF | RTC_IRQF); | ||
46 | return IRQ_HANDLED; | ||
47 | } | ||
48 | |||
49 | static irqreturn_t puv3_rtc_tickirq(int irq, void *id) | ||
50 | { | ||
51 | struct rtc_device *rdev = id; | ||
52 | |||
53 | writel(readl(RTC_RTSR) | RTC_RTSR_HZ, RTC_RTSR); | ||
54 | rtc_update_irq(rdev, 1, RTC_PF | RTC_IRQF); | ||
55 | return IRQ_HANDLED; | ||
56 | } | ||
57 | |||
58 | /* Update control registers */ | ||
59 | static void puv3_rtc_setaie(int to) | ||
60 | { | ||
61 | unsigned int tmp; | ||
62 | |||
63 | pr_debug("%s: aie=%d\n", __func__, to); | ||
64 | |||
65 | tmp = readl(RTC_RTSR) & ~RTC_RTSR_ALE; | ||
66 | |||
67 | if (to) | ||
68 | tmp |= RTC_RTSR_ALE; | ||
69 | |||
70 | writel(tmp, RTC_RTSR); | ||
71 | } | ||
72 | |||
73 | static int puv3_rtc_setpie(struct device *dev, int enabled) | ||
74 | { | ||
75 | unsigned int tmp; | ||
76 | |||
77 | pr_debug("%s: pie=%d\n", __func__, enabled); | ||
78 | |||
79 | spin_lock_irq(&puv3_rtc_pie_lock); | ||
80 | tmp = readl(RTC_RTSR) & ~RTC_RTSR_HZE; | ||
81 | |||
82 | if (enabled) | ||
83 | tmp |= RTC_RTSR_HZE; | ||
84 | |||
85 | writel(tmp, RTC_RTSR); | ||
86 | spin_unlock_irq(&puv3_rtc_pie_lock); | ||
87 | |||
88 | return 0; | ||
89 | } | ||
90 | |||
91 | /* Time read/write */ | ||
92 | |||
93 | static int puv3_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm) | ||
94 | { | ||
95 | rtc_time_to_tm(readl(RTC_RCNR), rtc_tm); | ||
96 | |||
97 | pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n", | ||
98 | rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday, | ||
99 | rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec); | ||
100 | |||
101 | return 0; | ||
102 | } | ||
103 | |||
104 | static int puv3_rtc_settime(struct device *dev, struct rtc_time *tm) | ||
105 | { | ||
106 | unsigned long rtc_count = 0; | ||
107 | |||
108 | pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", | ||
109 | tm->tm_year, tm->tm_mon, tm->tm_mday, | ||
110 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
111 | |||
112 | rtc_tm_to_time(tm, &rtc_count); | ||
113 | writel(rtc_count, RTC_RCNR); | ||
114 | |||
115 | return 0; | ||
116 | } | ||
117 | |||
118 | static int puv3_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm) | ||
119 | { | ||
120 | struct rtc_time *alm_tm = &alrm->time; | ||
121 | |||
122 | rtc_time_to_tm(readl(RTC_RTAR), alm_tm); | ||
123 | |||
124 | alrm->enabled = readl(RTC_RTSR) & RTC_RTSR_ALE; | ||
125 | |||
126 | pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n", | ||
127 | alrm->enabled, | ||
128 | alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday, | ||
129 | alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec); | ||
130 | |||
131 | return 0; | ||
132 | } | ||
133 | |||
134 | static int puv3_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm) | ||
135 | { | ||
136 | struct rtc_time *tm = &alrm->time; | ||
137 | unsigned long rtcalarm_count = 0; | ||
138 | |||
139 | pr_debug("puv3_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n", | ||
140 | alrm->enabled, | ||
141 | tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff, | ||
142 | tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec); | ||
143 | |||
144 | rtc_tm_to_time(tm, &rtcalarm_count); | ||
145 | writel(rtcalarm_count, RTC_RTAR); | ||
146 | |||
147 | puv3_rtc_setaie(alrm->enabled); | ||
148 | |||
149 | if (alrm->enabled) | ||
150 | enable_irq_wake(puv3_rtc_alarmno); | ||
151 | else | ||
152 | disable_irq_wake(puv3_rtc_alarmno); | ||
153 | |||
154 | return 0; | ||
155 | } | ||
156 | |||
157 | static int puv3_rtc_proc(struct device *dev, struct seq_file *seq) | ||
158 | { | ||
159 | seq_printf(seq, "periodic_IRQ\t: %s\n", | ||
160 | (readl(RTC_RTSR) & RTC_RTSR_HZE) ? "yes" : "no"); | ||
161 | return 0; | ||
162 | } | ||
163 | |||
164 | static int puv3_rtc_open(struct device *dev) | ||
165 | { | ||
166 | struct platform_device *pdev = to_platform_device(dev); | ||
167 | struct rtc_device *rtc_dev = platform_get_drvdata(pdev); | ||
168 | int ret; | ||
169 | |||
170 | ret = request_irq(puv3_rtc_alarmno, puv3_rtc_alarmirq, | ||
171 | IRQF_DISABLED, "pkunity-rtc alarm", rtc_dev); | ||
172 | |||
173 | if (ret) { | ||
174 | dev_err(dev, "IRQ%d error %d\n", puv3_rtc_alarmno, ret); | ||
175 | return ret; | ||
176 | } | ||
177 | |||
178 | ret = request_irq(puv3_rtc_tickno, puv3_rtc_tickirq, | ||
179 | IRQF_DISABLED, "pkunity-rtc tick", rtc_dev); | ||
180 | |||
181 | if (ret) { | ||
182 | dev_err(dev, "IRQ%d error %d\n", puv3_rtc_tickno, ret); | ||
183 | goto tick_err; | ||
184 | } | ||
185 | |||
186 | return ret; | ||
187 | |||
188 | tick_err: | ||
189 | free_irq(puv3_rtc_alarmno, rtc_dev); | ||
190 | return ret; | ||
191 | } | ||
192 | |||
193 | static void puv3_rtc_release(struct device *dev) | ||
194 | { | ||
195 | struct platform_device *pdev = to_platform_device(dev); | ||
196 | struct rtc_device *rtc_dev = platform_get_drvdata(pdev); | ||
197 | |||
198 | /* do not clear AIE here, it may be needed for wake */ | ||
199 | |||
200 | puv3_rtc_setpie(dev, 0); | ||
201 | free_irq(puv3_rtc_alarmno, rtc_dev); | ||
202 | free_irq(puv3_rtc_tickno, rtc_dev); | ||
203 | } | ||
204 | |||
205 | static const struct rtc_class_ops puv3_rtcops = { | ||
206 | .open = puv3_rtc_open, | ||
207 | .release = puv3_rtc_release, | ||
208 | .read_time = puv3_rtc_gettime, | ||
209 | .set_time = puv3_rtc_settime, | ||
210 | .read_alarm = puv3_rtc_getalarm, | ||
211 | .set_alarm = puv3_rtc_setalarm, | ||
212 | .proc = puv3_rtc_proc, | ||
213 | }; | ||
214 | |||
215 | static void puv3_rtc_enable(struct platform_device *pdev, int en) | ||
216 | { | ||
217 | if (!en) { | ||
218 | writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); | ||
219 | } else { | ||
220 | /* re-enable the device, and check it is ok */ | ||
221 | |||
222 | if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { | ||
223 | dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); | ||
224 | writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); | ||
225 | } | ||
226 | } | ||
227 | } | ||
228 | |||
229 | static int puv3_rtc_remove(struct platform_device *dev) | ||
230 | { | ||
231 | struct rtc_device *rtc = platform_get_drvdata(dev); | ||
232 | |||
233 | platform_set_drvdata(dev, NULL); | ||
234 | rtc_device_unregister(rtc); | ||
235 | |||
236 | puv3_rtc_setpie(&dev->dev, 0); | ||
237 | puv3_rtc_setaie(0); | ||
238 | |||
239 | release_resource(puv3_rtc_mem); | ||
240 | kfree(puv3_rtc_mem); | ||
241 | |||
242 | return 0; | ||
243 | } | ||
244 | |||
245 | static int puv3_rtc_probe(struct platform_device *pdev) | ||
246 | { | ||
247 | struct rtc_device *rtc; | ||
248 | struct resource *res; | ||
249 | int ret; | ||
250 | |||
251 | pr_debug("%s: probe=%p\n", __func__, pdev); | ||
252 | |||
253 | /* find the IRQs */ | ||
254 | |||
255 | puv3_rtc_tickno = platform_get_irq(pdev, 1); | ||
256 | if (puv3_rtc_tickno < 0) { | ||
257 | dev_err(&pdev->dev, "no irq for rtc tick\n"); | ||
258 | return -ENOENT; | ||
259 | } | ||
260 | |||
261 | puv3_rtc_alarmno = platform_get_irq(pdev, 0); | ||
262 | if (puv3_rtc_alarmno < 0) { | ||
263 | dev_err(&pdev->dev, "no irq for alarm\n"); | ||
264 | return -ENOENT; | ||
265 | } | ||
266 | |||
267 | pr_debug("PKUnity_rtc: tick irq %d, alarm irq %d\n", | ||
268 | puv3_rtc_tickno, puv3_rtc_alarmno); | ||
269 | |||
270 | /* get the memory region */ | ||
271 | |||
272 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
273 | if (res == NULL) { | ||
274 | dev_err(&pdev->dev, "failed to get memory region resource\n"); | ||
275 | return -ENOENT; | ||
276 | } | ||
277 | |||
278 | puv3_rtc_mem = request_mem_region(res->start, | ||
279 | res->end-res->start+1, | ||
280 | pdev->name); | ||
281 | |||
282 | if (puv3_rtc_mem == NULL) { | ||
283 | dev_err(&pdev->dev, "failed to reserve memory region\n"); | ||
284 | ret = -ENOENT; | ||
285 | goto err_nores; | ||
286 | } | ||
287 | |||
288 | puv3_rtc_enable(pdev, 1); | ||
289 | |||
290 | /* register RTC and exit */ | ||
291 | |||
292 | rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, | ||
293 | THIS_MODULE); | ||
294 | |||
295 | if (IS_ERR(rtc)) { | ||
296 | dev_err(&pdev->dev, "cannot attach rtc\n"); | ||
297 | ret = PTR_ERR(rtc); | ||
298 | goto err_nortc; | ||
299 | } | ||
300 | |||
301 | /* platform setup code should have handled this; sigh */ | ||
302 | if (!device_can_wakeup(&pdev->dev)) | ||
303 | device_init_wakeup(&pdev->dev, 1); | ||
304 | |||
305 | platform_set_drvdata(pdev, rtc); | ||
306 | return 0; | ||
307 | |||
308 | err_nortc: | ||
309 | puv3_rtc_enable(pdev, 0); | ||
310 | release_resource(puv3_rtc_mem); | ||
311 | |||
312 | err_nores: | ||
313 | return ret; | ||
314 | } | ||
315 | |||
316 | #ifdef CONFIG_PM | ||
317 | |||
318 | /* RTC Power management control */ | ||
319 | |||
320 | static int ticnt_save; | ||
321 | |||
322 | static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) | ||
323 | { | ||
324 | /* save RTAR for anyone using periodic interrupts */ | ||
325 | ticnt_save = readl(RTC_RTAR); | ||
326 | puv3_rtc_enable(pdev, 0); | ||
327 | return 0; | ||
328 | } | ||
329 | |||
330 | static int puv3_rtc_resume(struct platform_device *pdev) | ||
331 | { | ||
332 | puv3_rtc_enable(pdev, 1); | ||
333 | writel(ticnt_save, RTC_RTAR); | ||
334 | return 0; | ||
335 | } | ||
336 | #else | ||
337 | #define puv3_rtc_suspend NULL | ||
338 | #define puv3_rtc_resume NULL | ||
339 | #endif | ||
340 | |||
341 | static struct platform_driver puv3_rtcdrv = { | ||
342 | .probe = puv3_rtc_probe, | ||
343 | .remove = __devexit_p(puv3_rtc_remove), | ||
344 | .suspend = puv3_rtc_suspend, | ||
345 | .resume = puv3_rtc_resume, | ||
346 | .driver = { | ||
347 | .name = "PKUnity-v3-RTC", | ||
348 | .owner = THIS_MODULE, | ||
349 | } | ||
350 | }; | ||
351 | |||
352 | static char __initdata banner[] = "PKUnity-v3 RTC, (c) 2009 PKUnity Co.\n"; | ||
353 | |||
354 | static int __init puv3_rtc_init(void) | ||
355 | { | ||
356 | printk(banner); | ||
357 | return platform_driver_register(&puv3_rtcdrv); | ||
358 | } | ||
359 | |||
360 | static void __exit puv3_rtc_exit(void) | ||
361 | { | ||
362 | platform_driver_unregister(&puv3_rtcdrv); | ||
363 | } | ||
364 | |||
365 | module_init(puv3_rtc_init); | ||
366 | module_exit(puv3_rtc_exit); | ||
367 | |||
368 | MODULE_DESCRIPTION("RTC Driver for the PKUnity v3 chip"); | ||
369 | MODULE_AUTHOR("Hu Dongliang"); | ||
370 | MODULE_LICENSE("GPL v2"); | ||
371 | |||
diff --git a/arch/unicore32/kernel/vmlinux.lds.S b/arch/unicore32/kernel/vmlinux.lds.S index 9bf7f7af52c5..77e407e49a63 100644 --- a/arch/unicore32/kernel/vmlinux.lds.S +++ b/arch/unicore32/kernel/vmlinux.lds.S | |||
@@ -30,7 +30,7 @@ SECTIONS | |||
30 | HEAD_TEXT_SECTION | 30 | HEAD_TEXT_SECTION |
31 | INIT_TEXT_SECTION(PAGE_SIZE) | 31 | INIT_TEXT_SECTION(PAGE_SIZE) |
32 | INIT_DATA_SECTION(16) | 32 | INIT_DATA_SECTION(16) |
33 | PERCPU(L1_CACHE_BYTES, PAGE_SIZE) | 33 | PERCPU_SECTION(L1_CACHE_BYTES) |
34 | __init_end = .; | 34 | __init_end = .; |
35 | 35 | ||
36 | _stext = .; | 36 | _stext = .; |