aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-samsung
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-samsung')
-rw-r--r--arch/arm/plat-samsung/Kconfig2
-rw-r--r--arch/arm/plat-samsung/Makefile3
-rw-r--r--arch/arm/plat-samsung/include/plat/common-smdk.h15
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu.h4
-rw-r--r--arch/arm/plat-samsung/include/plat/irq.h116
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2410.h31
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2412.h32
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2416.h37
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c2443.h36
-rw-r--r--arch/arm/plat-samsung/include/plat/s3c244x.h42
-rw-r--r--arch/arm/plat-samsung/include/plat/s5p-time.h40
-rw-r--r--arch/arm/plat-samsung/include/plat/samsung-time.h53
-rw-r--r--arch/arm/plat-samsung/samsung-time.c (renamed from arch/arm/plat-samsung/s5p-time.c)138
-rw-r--r--arch/arm/plat-samsung/time.c287
14 files changed, 124 insertions, 712 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index a9d52167e16e..b708b3e56d27 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -70,7 +70,7 @@ config S3C_LOWLEVEL_UART_PORT
70 70
71# timer options 71# timer options
72 72
73config S5P_HRT 73config SAMSUNG_HRT
74 bool 74 bool
75 select SAMSUNG_DEV_PWM 75 select SAMSUNG_DEV_PWM
76 help 76 help
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 3a7c64d1814a..a23c460299a1 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -12,8 +12,7 @@ obj- :=
12# Objects we always build independent of SoC choice 12# Objects we always build independent of SoC choice
13 13
14obj-y += init.o cpu.o 14obj-y += init.o cpu.o
15obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o 15obj-$(CONFIG_SAMSUNG_HRT) += samsung-time.o
16obj-$(CONFIG_S5P_HRT) += s5p-time.o
17 16
18obj-$(CONFIG_SAMSUNG_CLOCK) += clock.o 17obj-$(CONFIG_SAMSUNG_CLOCK) += clock.o
19obj-$(CONFIG_SAMSUNG_CLOCK) += pwm-clock.o 18obj-$(CONFIG_SAMSUNG_CLOCK) += pwm-clock.o
diff --git a/arch/arm/plat-samsung/include/plat/common-smdk.h b/arch/arm/plat-samsung/include/plat/common-smdk.h
deleted file mode 100644
index ba028f1ed30b..000000000000
--- a/arch/arm/plat-samsung/include/plat/common-smdk.h
+++ /dev/null
@@ -1,15 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/common-smdk.h
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Common code for SMDK2410 and SMDK2440 boards
7 *
8 * http://www.fluff.org/ben/smdk2440/
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
15extern void smdk_machine_init(void);
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 37703ef6dfc7..e126644cadf4 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -192,10 +192,6 @@ extern void s3c24xx_init_uartdevs(char *name,
192 struct s3c24xx_uart_resources *res, 192 struct s3c24xx_uart_resources *res,
193 struct s3c2410_uartcfg *cfg, int no); 193 struct s3c2410_uartcfg *cfg, int no);
194 194
195/* timer for 2410/2440 */
196
197extern void s3c24xx_timer_init(void);
198
199extern struct syscore_ops s3c2410_pm_syscore_ops; 195extern struct syscore_ops s3c2410_pm_syscore_ops;
200extern struct syscore_ops s3c2412_pm_syscore_ops; 196extern struct syscore_ops s3c2412_pm_syscore_ops;
201extern struct syscore_ops s3c2416_pm_syscore_ops; 197extern struct syscore_ops s3c2416_pm_syscore_ops;
diff --git a/arch/arm/plat-samsung/include/plat/irq.h b/arch/arm/plat-samsung/include/plat/irq.h
deleted file mode 100644
index e21a89bc26c9..000000000000
--- a/arch/arm/plat-samsung/include/plat/irq.h
+++ /dev/null
@@ -1,116 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/irq.h
2 *
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for S3C24XX CPU IRQ support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#include <linux/io.h>
14
15#include <mach/hardware.h>
16#include <mach/regs-irq.h>
17#include <mach/regs-gpio.h>
18
19#define irqdbf(x...)
20#define irqdbf2(x...)
21
22#define EXTINT_OFF (IRQ_EINT4 - 4)
23
24/* these are exported for arch/arm/mach-* usage */
25extern struct irq_chip s3c_irq_level_chip;
26extern struct irq_chip s3c_irq_chip;
27
28static inline void s3c_irqsub_mask(unsigned int irqno,
29 unsigned int parentbit,
30 int subcheck)
31{
32 unsigned long mask;
33 unsigned long submask;
34
35 submask = __raw_readl(S3C2410_INTSUBMSK);
36 mask = __raw_readl(S3C2410_INTMSK);
37
38 submask |= (1UL << (irqno - IRQ_S3CUART_RX0));
39
40 /* check to see if we need to mask the parent IRQ */
41
42 if ((submask & subcheck) == subcheck)
43 __raw_writel(mask | parentbit, S3C2410_INTMSK);
44
45 /* write back masks */
46 __raw_writel(submask, S3C2410_INTSUBMSK);
47
48}
49
50static inline void s3c_irqsub_unmask(unsigned int irqno,
51 unsigned int parentbit)
52{
53 unsigned long mask;
54 unsigned long submask;
55
56 submask = __raw_readl(S3C2410_INTSUBMSK);
57 mask = __raw_readl(S3C2410_INTMSK);
58
59 submask &= ~(1UL << (irqno - IRQ_S3CUART_RX0));
60 mask &= ~parentbit;
61
62 /* write back masks */
63 __raw_writel(submask, S3C2410_INTSUBMSK);
64 __raw_writel(mask, S3C2410_INTMSK);
65}
66
67
68static inline void s3c_irqsub_maskack(unsigned int irqno,
69 unsigned int parentmask,
70 unsigned int group)
71{
72 unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0);
73
74 s3c_irqsub_mask(irqno, parentmask, group);
75
76 __raw_writel(bit, S3C2410_SUBSRCPND);
77
78 /* only ack parent if we've got all the irqs (seems we must
79 * ack, all and hope that the irq system retriggers ok when
80 * the interrupt goes off again)
81 */
82
83 if (1) {
84 __raw_writel(parentmask, S3C2410_SRCPND);
85 __raw_writel(parentmask, S3C2410_INTPND);
86 }
87}
88
89static inline void s3c_irqsub_ack(unsigned int irqno,
90 unsigned int parentmask,
91 unsigned int group)
92{
93 unsigned int bit = 1UL << (irqno - IRQ_S3CUART_RX0);
94
95 __raw_writel(bit, S3C2410_SUBSRCPND);
96
97 /* only ack parent if we've got all the irqs (seems we must
98 * ack, all and hope that the irq system retriggers ok when
99 * the interrupt goes off again)
100 */
101
102 if (1) {
103 __raw_writel(parentmask, S3C2410_SRCPND);
104 __raw_writel(parentmask, S3C2410_INTPND);
105 }
106}
107
108/* exported for use in arch/arm/mach-s3c2410 */
109
110#ifdef CONFIG_PM
111extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
112#else
113#define s3c_irq_wake NULL
114#endif
115
116extern int s3c_irqext_type(struct irq_data *d, unsigned int type);
diff --git a/arch/arm/plat-samsung/include/plat/s3c2410.h b/arch/arm/plat-samsung/include/plat/s3c2410.h
deleted file mode 100644
index 55b0e5f51e97..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c2410.h
+++ /dev/null
@@ -1,31 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s3c2410.h
2 *
3 * Copyright (c) 2004 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for s3c2410 machine directory
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12*/
13
14#ifdef CONFIG_CPU_S3C2410
15
16extern int s3c2410_init(void);
17extern int s3c2410a_init(void);
18
19extern void s3c2410_map_io(void);
20
21extern void s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no);
22
23extern void s3c2410_init_clocks(int xtal);
24
25#else
26#define s3c2410_init_clocks NULL
27#define s3c2410_init_uarts NULL
28#define s3c2410_map_io NULL
29#define s3c2410_init NULL
30#define s3c2410a_init NULL
31#endif
diff --git a/arch/arm/plat-samsung/include/plat/s3c2412.h b/arch/arm/plat-samsung/include/plat/s3c2412.h
deleted file mode 100644
index cbae50ddacc8..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c2412.h
+++ /dev/null
@@ -1,32 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s3c2412.h
2 *
3 * Copyright (c) 2006 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for s3c2412 cpu support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifdef CONFIG_CPU_S3C2412
14
15extern int s3c2412_init(void);
16
17extern void s3c2412_map_io(void);
18
19extern void s3c2412_init_uarts(struct s3c2410_uartcfg *cfg, int no);
20
21extern void s3c2412_init_clocks(int xtal);
22
23extern int s3c2412_baseclk_add(void);
24
25extern void s3c2412_restart(char mode, const char *cmd);
26#else
27#define s3c2412_init_clocks NULL
28#define s3c2412_init_uarts NULL
29#define s3c2412_map_io NULL
30#define s3c2412_init NULL
31#define s3c2412_restart NULL
32#endif
diff --git a/arch/arm/plat-samsung/include/plat/s3c2416.h b/arch/arm/plat-samsung/include/plat/s3c2416.h
deleted file mode 100644
index f27399a3c68d..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c2416.h
+++ /dev/null
@@ -1,37 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s3c2416.h
2 *
3 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>
4 *
5 * Header file for s3c2416 cpu support
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10*/
11
12#ifdef CONFIG_CPU_S3C2416
13
14struct s3c2410_uartcfg;
15
16extern int s3c2416_init(void);
17
18extern void s3c2416_map_io(void);
19
20extern void s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no);
21
22extern void s3c2416_init_clocks(int xtal);
23
24extern int s3c2416_baseclk_add(void);
25
26extern void s3c2416_restart(char mode, const char *cmd);
27
28extern void s3c2416_init_irq(void);
29extern struct syscore_ops s3c2416_irq_syscore_ops;
30
31#else
32#define s3c2416_init_clocks NULL
33#define s3c2416_init_uarts NULL
34#define s3c2416_map_io NULL
35#define s3c2416_init NULL
36#define s3c2416_restart NULL
37#endif
diff --git a/arch/arm/plat-samsung/include/plat/s3c2443.h b/arch/arm/plat-samsung/include/plat/s3c2443.h
deleted file mode 100644
index 71b88ec48956..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c2443.h
+++ /dev/null
@@ -1,36 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s3c2443.h
2 *
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for s3c2443 cpu support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifdef CONFIG_CPU_S3C2443
14
15struct s3c2410_uartcfg;
16
17extern int s3c2443_init(void);
18
19extern void s3c2443_map_io(void);
20
21extern void s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no);
22
23extern void s3c2443_init_clocks(int xtal);
24
25extern int s3c2443_baseclk_add(void);
26
27extern void s3c2443_restart(char mode, const char *cmd);
28
29extern void s3c2443_init_irq(void);
30#else
31#define s3c2443_init_clocks NULL
32#define s3c2443_init_uarts NULL
33#define s3c2443_map_io NULL
34#define s3c2443_init NULL
35#define s3c2443_restart NULL
36#endif
diff --git a/arch/arm/plat-samsung/include/plat/s3c244x.h b/arch/arm/plat-samsung/include/plat/s3c244x.h
deleted file mode 100644
index ea0c961b7603..000000000000
--- a/arch/arm/plat-samsung/include/plat/s3c244x.h
+++ /dev/null
@@ -1,42 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s3c244x.h
2 *
3 * Copyright (c) 2004-2005 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk>
5 *
6 * Header file for S3C2440 and S3C2442 cpu support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
14
15extern void s3c244x_map_io(void);
16
17extern void s3c244x_init_uarts(struct s3c2410_uartcfg *cfg, int no);
18
19extern void s3c244x_init_clocks(int xtal);
20
21#else
22#define s3c244x_init_clocks NULL
23#define s3c244x_init_uarts NULL
24#endif
25
26#ifdef CONFIG_CPU_S3C2440
27extern int s3c2440_init(void);
28
29extern void s3c2440_map_io(void);
30#else
31#define s3c2440_init NULL
32#define s3c2440_map_io NULL
33#endif
34
35#ifdef CONFIG_CPU_S3C2442
36extern int s3c2442_init(void);
37
38extern void s3c2442_map_io(void);
39#else
40#define s3c2442_init NULL
41#define s3c2442_map_io NULL
42#endif
diff --git a/arch/arm/plat-samsung/include/plat/s5p-time.h b/arch/arm/plat-samsung/include/plat/s5p-time.h
deleted file mode 100644
index 9c96f3586ce0..000000000000
--- a/arch/arm/plat-samsung/include/plat/s5p-time.h
+++ /dev/null
@@ -1,40 +0,0 @@
1/* linux/arch/arm/plat-samsung/include/plat/s5p-time.h
2 *
3 * Copyright 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Header file for s5p time support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifndef __ASM_PLAT_S5P_TIME_H
14#define __ASM_PLAT_S5P_TIME_H __FILE__
15
16/* S5P HR-Timer Clock mode */
17enum s5p_timer_mode {
18 S5P_PWM0,
19 S5P_PWM1,
20 S5P_PWM2,
21 S5P_PWM3,
22 S5P_PWM4,
23};
24
25struct s5p_timer_source {
26 unsigned int event_id;
27 unsigned int source_id;
28};
29
30/* Be able to sleep for atleast 4 seconds (usually more) */
31#define S5PTIMER_MIN_RANGE 4
32
33#define TCNT_MAX 0xffffffff
34#define NON_PERIODIC 0
35#define PERIODIC 1
36
37extern void __init s5p_set_timer_source(enum s5p_timer_mode event,
38 enum s5p_timer_mode source);
39extern void s5p_timer_init(void);
40#endif /* __ASM_PLAT_S5P_TIME_H */
diff --git a/arch/arm/plat-samsung/include/plat/samsung-time.h b/arch/arm/plat-samsung/include/plat/samsung-time.h
new file mode 100644
index 000000000000..4cc99bb1f176
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/samsung-time.h
@@ -0,0 +1,53 @@
1/* linux/arch/arm/plat-samsung/include/plat/samsung-time.h
2 *
3 * Copyright 2011 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Header file for samsung s3c and s5p time support
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11*/
12
13#ifndef __ASM_PLAT_SAMSUNG_TIME_H
14#define __ASM_PLAT_SAMSUNG_TIME_H __FILE__
15
16/* SAMSUNG HR-Timer Clock mode */
17enum samsung_timer_mode {
18 SAMSUNG_PWM0,
19 SAMSUNG_PWM1,
20 SAMSUNG_PWM2,
21 SAMSUNG_PWM3,
22 SAMSUNG_PWM4,
23};
24
25struct samsung_timer_source {
26 unsigned int event_id;
27 unsigned int source_id;
28};
29
30/* Be able to sleep for atleast 4 seconds (usually more) */
31#define SAMSUNG_TIMER_MIN_RANGE 4
32
33#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S5PC100)
34#define TCNT_MAX 0xffff
35#define TSCALER_DIV 25
36#define TDIV 50
37#define TSIZE 16
38#else
39#define TCNT_MAX 0xffffffff
40#define TSCALER_DIV 2
41#define TDIV 2
42#define TSIZE 32
43#endif
44
45#define NON_PERIODIC 0
46#define PERIODIC 1
47
48extern void __init samsung_set_timer_source(enum samsung_timer_mode event,
49 enum samsung_timer_mode source);
50
51extern void __init samsung_timer_init(void);
52
53#endif /* __ASM_PLAT_SAMSUNG_TIME_H */
diff --git a/arch/arm/plat-samsung/s5p-time.c b/arch/arm/plat-samsung/samsung-time.c
index e92510cf82ee..f899cbc9b288 100644
--- a/arch/arm/plat-samsung/s5p-time.c
+++ b/arch/arm/plat-samsung/samsung-time.c
@@ -2,7 +2,7 @@
2 * Copyright (c) 2011 Samsung Electronics Co., Ltd. 2 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
3 * http://www.samsung.com/ 3 * http://www.samsung.com/
4 * 4 *
5 * S5P - Common hr-timer support 5 * samsung - Common hr-timer support (s3c and s5p)
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as 8 * it under the terms of the GNU General Public License version 2 as
@@ -25,41 +25,41 @@
25#include <mach/map.h> 25#include <mach/map.h>
26#include <plat/devs.h> 26#include <plat/devs.h>
27#include <plat/regs-timer.h> 27#include <plat/regs-timer.h>
28#include <plat/s5p-time.h> 28#include <plat/samsung-time.h>
29 29
30static struct clk *tin_event; 30static struct clk *tin_event;
31static struct clk *tin_source; 31static struct clk *tin_source;
32static struct clk *tdiv_event; 32static struct clk *tdiv_event;
33static struct clk *tdiv_source; 33static struct clk *tdiv_source;
34static struct clk *timerclk; 34static struct clk *timerclk;
35static struct s5p_timer_source timer_source; 35static struct samsung_timer_source timer_source;
36static unsigned long clock_count_per_tick; 36static unsigned long clock_count_per_tick;
37static void s5p_timer_resume(void); 37static void samsung_timer_resume(void);
38 38
39static void s5p_time_stop(enum s5p_timer_mode mode) 39static void samsung_time_stop(enum samsung_timer_mode mode)
40{ 40{
41 unsigned long tcon; 41 unsigned long tcon;
42 42
43 tcon = __raw_readl(S3C2410_TCON); 43 tcon = __raw_readl(S3C2410_TCON);
44 44
45 switch (mode) { 45 switch (mode) {
46 case S5P_PWM0: 46 case SAMSUNG_PWM0:
47 tcon &= ~S3C2410_TCON_T0START; 47 tcon &= ~S3C2410_TCON_T0START;
48 break; 48 break;
49 49
50 case S5P_PWM1: 50 case SAMSUNG_PWM1:
51 tcon &= ~S3C2410_TCON_T1START; 51 tcon &= ~S3C2410_TCON_T1START;
52 break; 52 break;
53 53
54 case S5P_PWM2: 54 case SAMSUNG_PWM2:
55 tcon &= ~S3C2410_TCON_T2START; 55 tcon &= ~S3C2410_TCON_T2START;
56 break; 56 break;
57 57
58 case S5P_PWM3: 58 case SAMSUNG_PWM3:
59 tcon &= ~S3C2410_TCON_T3START; 59 tcon &= ~S3C2410_TCON_T3START;
60 break; 60 break;
61 61
62 case S5P_PWM4: 62 case SAMSUNG_PWM4:
63 tcon &= ~S3C2410_TCON_T4START; 63 tcon &= ~S3C2410_TCON_T4START;
64 break; 64 break;
65 65
@@ -70,7 +70,7 @@ static void s5p_time_stop(enum s5p_timer_mode mode)
70 __raw_writel(tcon, S3C2410_TCON); 70 __raw_writel(tcon, S3C2410_TCON);
71} 71}
72 72
73static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt) 73static void samsung_time_setup(enum samsung_timer_mode mode, unsigned long tcnt)
74{ 74{
75 unsigned long tcon; 75 unsigned long tcon;
76 76
@@ -79,27 +79,27 @@ static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt)
79 tcnt--; 79 tcnt--;
80 80
81 switch (mode) { 81 switch (mode) {
82 case S5P_PWM0: 82 case SAMSUNG_PWM0:
83 tcon &= ~(0x0f << 0); 83 tcon &= ~(0x0f << 0);
84 tcon |= S3C2410_TCON_T0MANUALUPD; 84 tcon |= S3C2410_TCON_T0MANUALUPD;
85 break; 85 break;
86 86
87 case S5P_PWM1: 87 case SAMSUNG_PWM1:
88 tcon &= ~(0x0f << 8); 88 tcon &= ~(0x0f << 8);
89 tcon |= S3C2410_TCON_T1MANUALUPD; 89 tcon |= S3C2410_TCON_T1MANUALUPD;
90 break; 90 break;
91 91
92 case S5P_PWM2: 92 case SAMSUNG_PWM2:
93 tcon &= ~(0x0f << 12); 93 tcon &= ~(0x0f << 12);
94 tcon |= S3C2410_TCON_T2MANUALUPD; 94 tcon |= S3C2410_TCON_T2MANUALUPD;
95 break; 95 break;
96 96
97 case S5P_PWM3: 97 case SAMSUNG_PWM3:
98 tcon &= ~(0x0f << 16); 98 tcon &= ~(0x0f << 16);
99 tcon |= S3C2410_TCON_T3MANUALUPD; 99 tcon |= S3C2410_TCON_T3MANUALUPD;
100 break; 100 break;
101 101
102 case S5P_PWM4: 102 case SAMSUNG_PWM4:
103 tcon &= ~(0x07 << 20); 103 tcon &= ~(0x07 << 20);
104 tcon |= S3C2410_TCON_T4MANUALUPD; 104 tcon |= S3C2410_TCON_T4MANUALUPD;
105 break; 105 break;
@@ -114,14 +114,14 @@ static void s5p_time_setup(enum s5p_timer_mode mode, unsigned long tcnt)
114 __raw_writel(tcon, S3C2410_TCON); 114 __raw_writel(tcon, S3C2410_TCON);
115} 115}
116 116
117static void s5p_time_start(enum s5p_timer_mode mode, bool periodic) 117static void samsung_time_start(enum samsung_timer_mode mode, bool periodic)
118{ 118{
119 unsigned long tcon; 119 unsigned long tcon;
120 120
121 tcon = __raw_readl(S3C2410_TCON); 121 tcon = __raw_readl(S3C2410_TCON);
122 122
123 switch (mode) { 123 switch (mode) {
124 case S5P_PWM0: 124 case SAMSUNG_PWM0:
125 tcon |= S3C2410_TCON_T0START; 125 tcon |= S3C2410_TCON_T0START;
126 tcon &= ~S3C2410_TCON_T0MANUALUPD; 126 tcon &= ~S3C2410_TCON_T0MANUALUPD;
127 127
@@ -131,7 +131,7 @@ static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
131 tcon &= ~S3C2410_TCON_T0RELOAD; 131 tcon &= ~S3C2410_TCON_T0RELOAD;
132 break; 132 break;
133 133
134 case S5P_PWM1: 134 case SAMSUNG_PWM1:
135 tcon |= S3C2410_TCON_T1START; 135 tcon |= S3C2410_TCON_T1START;
136 tcon &= ~S3C2410_TCON_T1MANUALUPD; 136 tcon &= ~S3C2410_TCON_T1MANUALUPD;
137 137
@@ -141,7 +141,7 @@ static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
141 tcon &= ~S3C2410_TCON_T1RELOAD; 141 tcon &= ~S3C2410_TCON_T1RELOAD;
142 break; 142 break;
143 143
144 case S5P_PWM2: 144 case SAMSUNG_PWM2:
145 tcon |= S3C2410_TCON_T2START; 145 tcon |= S3C2410_TCON_T2START;
146 tcon &= ~S3C2410_TCON_T2MANUALUPD; 146 tcon &= ~S3C2410_TCON_T2MANUALUPD;
147 147
@@ -151,7 +151,7 @@ static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
151 tcon &= ~S3C2410_TCON_T2RELOAD; 151 tcon &= ~S3C2410_TCON_T2RELOAD;
152 break; 152 break;
153 153
154 case S5P_PWM3: 154 case SAMSUNG_PWM3:
155 tcon |= S3C2410_TCON_T3START; 155 tcon |= S3C2410_TCON_T3START;
156 tcon &= ~S3C2410_TCON_T3MANUALUPD; 156 tcon &= ~S3C2410_TCON_T3MANUALUPD;
157 157
@@ -161,7 +161,7 @@ static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
161 tcon &= ~S3C2410_TCON_T3RELOAD; 161 tcon &= ~S3C2410_TCON_T3RELOAD;
162 break; 162 break;
163 163
164 case S5P_PWM4: 164 case SAMSUNG_PWM4:
165 tcon |= S3C2410_TCON_T4START; 165 tcon |= S3C2410_TCON_T4START;
166 tcon &= ~S3C2410_TCON_T4MANUALUPD; 166 tcon &= ~S3C2410_TCON_T4MANUALUPD;
167 167
@@ -178,24 +178,24 @@ static void s5p_time_start(enum s5p_timer_mode mode, bool periodic)
178 __raw_writel(tcon, S3C2410_TCON); 178 __raw_writel(tcon, S3C2410_TCON);
179} 179}
180 180
181static int s5p_set_next_event(unsigned long cycles, 181static int samsung_set_next_event(unsigned long cycles,
182 struct clock_event_device *evt) 182 struct clock_event_device *evt)
183{ 183{
184 s5p_time_setup(timer_source.event_id, cycles); 184 samsung_time_setup(timer_source.event_id, cycles);
185 s5p_time_start(timer_source.event_id, NON_PERIODIC); 185 samsung_time_start(timer_source.event_id, NON_PERIODIC);
186 186
187 return 0; 187 return 0;
188} 188}
189 189
190static void s5p_set_mode(enum clock_event_mode mode, 190static void samsung_set_mode(enum clock_event_mode mode,
191 struct clock_event_device *evt) 191 struct clock_event_device *evt)
192{ 192{
193 s5p_time_stop(timer_source.event_id); 193 samsung_time_stop(timer_source.event_id);
194 194
195 switch (mode) { 195 switch (mode) {
196 case CLOCK_EVT_MODE_PERIODIC: 196 case CLOCK_EVT_MODE_PERIODIC:
197 s5p_time_setup(timer_source.event_id, clock_count_per_tick); 197 samsung_time_setup(timer_source.event_id, clock_count_per_tick);
198 s5p_time_start(timer_source.event_id, PERIODIC); 198 samsung_time_start(timer_source.event_id, PERIODIC);
199 break; 199 break;
200 200
201 case CLOCK_EVT_MODE_ONESHOT: 201 case CLOCK_EVT_MODE_ONESHOT:
@@ -206,24 +206,24 @@ static void s5p_set_mode(enum clock_event_mode mode,
206 break; 206 break;
207 207
208 case CLOCK_EVT_MODE_RESUME: 208 case CLOCK_EVT_MODE_RESUME:
209 s5p_timer_resume(); 209 samsung_timer_resume();
210 break; 210 break;
211 } 211 }
212} 212}
213 213
214static void s5p_timer_resume(void) 214static void samsung_timer_resume(void)
215{ 215{
216 /* event timer restart */ 216 /* event timer restart */
217 s5p_time_setup(timer_source.event_id, clock_count_per_tick); 217 samsung_time_setup(timer_source.event_id, clock_count_per_tick);
218 s5p_time_start(timer_source.event_id, PERIODIC); 218 samsung_time_start(timer_source.event_id, PERIODIC);
219 219
220 /* source timer restart */ 220 /* source timer restart */
221 s5p_time_setup(timer_source.source_id, TCNT_MAX); 221 samsung_time_setup(timer_source.source_id, TCNT_MAX);
222 s5p_time_start(timer_source.source_id, PERIODIC); 222 samsung_time_start(timer_source.source_id, PERIODIC);
223} 223}
224 224
225void __init s5p_set_timer_source(enum s5p_timer_mode event, 225void __init samsung_set_timer_source(enum samsung_timer_mode event,
226 enum s5p_timer_mode source) 226 enum samsung_timer_mode source)
227{ 227{
228 s3c_device_timer[event].dev.bus = &platform_bus_type; 228 s3c_device_timer[event].dev.bus = &platform_bus_type;
229 s3c_device_timer[source].dev.bus = &platform_bus_type; 229 s3c_device_timer[source].dev.bus = &platform_bus_type;
@@ -233,14 +233,14 @@ void __init s5p_set_timer_source(enum s5p_timer_mode event,
233} 233}
234 234
235static struct clock_event_device time_event_device = { 235static struct clock_event_device time_event_device = {
236 .name = "s5p_event_timer", 236 .name = "samsung_event_timer",
237 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, 237 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
238 .rating = 200, 238 .rating = 200,
239 .set_next_event = s5p_set_next_event, 239 .set_next_event = samsung_set_next_event,
240 .set_mode = s5p_set_mode, 240 .set_mode = samsung_set_mode,
241}; 241};
242 242
243static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id) 243static irqreturn_t samsung_clock_event_isr(int irq, void *dev_id)
244{ 244{
245 struct clock_event_device *evt = dev_id; 245 struct clock_event_device *evt = dev_id;
246 246
@@ -249,14 +249,14 @@ static irqreturn_t s5p_clock_event_isr(int irq, void *dev_id)
249 return IRQ_HANDLED; 249 return IRQ_HANDLED;
250} 250}
251 251
252static struct irqaction s5p_clock_event_irq = { 252static struct irqaction samsung_clock_event_irq = {
253 .name = "s5p_time_irq", 253 .name = "samsung_time_irq",
254 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL, 254 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
255 .handler = s5p_clock_event_isr, 255 .handler = samsung_clock_event_isr,
256 .dev_id = &time_event_device, 256 .dev_id = &time_event_device,
257}; 257};
258 258
259static void __init s5p_clockevent_init(void) 259static void __init samsung_clockevent_init(void)
260{ 260{
261 unsigned long pclk; 261 unsigned long pclk;
262 unsigned long clock_rate; 262 unsigned long clock_rate;
@@ -267,8 +267,8 @@ static void __init s5p_clockevent_init(void)
267 267
268 tscaler = clk_get_parent(tdiv_event); 268 tscaler = clk_get_parent(tdiv_event);
269 269
270 clk_set_rate(tscaler, pclk / 2); 270 clk_set_rate(tscaler, pclk / TSCALER_DIV);
271 clk_set_rate(tdiv_event, pclk / 2); 271 clk_set_rate(tdiv_event, pclk / TDIV);
272 clk_set_parent(tin_event, tdiv_event); 272 clk_set_parent(tin_event, tdiv_event);
273 273
274 clock_rate = clk_get_rate(tin_event); 274 clock_rate = clk_get_rate(tin_event);
@@ -278,22 +278,22 @@ static void __init s5p_clockevent_init(void)
278 clockevents_config_and_register(&time_event_device, clock_rate, 1, -1); 278 clockevents_config_and_register(&time_event_device, clock_rate, 1, -1);
279 279
280 irq_number = timer_source.event_id + IRQ_TIMER0; 280 irq_number = timer_source.event_id + IRQ_TIMER0;
281 setup_irq(irq_number, &s5p_clock_event_irq); 281 setup_irq(irq_number, &samsung_clock_event_irq);
282} 282}
283 283
284static void __iomem *s5p_timer_reg(void) 284static void __iomem *samsung_timer_reg(void)
285{ 285{
286 unsigned long offset = 0; 286 unsigned long offset = 0;
287 287
288 switch (timer_source.source_id) { 288 switch (timer_source.source_id) {
289 case S5P_PWM0: 289 case SAMSUNG_PWM0:
290 case S5P_PWM1: 290 case SAMSUNG_PWM1:
291 case S5P_PWM2: 291 case SAMSUNG_PWM2:
292 case S5P_PWM3: 292 case SAMSUNG_PWM3:
293 offset = (timer_source.source_id * 0x0c) + 0x14; 293 offset = (timer_source.source_id * 0x0c) + 0x14;
294 break; 294 break;
295 295
296 case S5P_PWM4: 296 case SAMSUNG_PWM4:
297 offset = 0x40; 297 offset = 0x40;
298 break; 298 break;
299 299
@@ -312,9 +312,9 @@ static void __iomem *s5p_timer_reg(void)
312 * this wraps around for now, since it is just a relative time 312 * this wraps around for now, since it is just a relative time
313 * stamp. (Inspired by U300 implementation.) 313 * stamp. (Inspired by U300 implementation.)
314 */ 314 */
315static u32 notrace s5p_read_sched_clock(void) 315static u32 notrace samsung_read_sched_clock(void)
316{ 316{
317 void __iomem *reg = s5p_timer_reg(); 317 void __iomem *reg = samsung_timer_reg();
318 318
319 if (!reg) 319 if (!reg)
320 return 0; 320 return 0;
@@ -322,29 +322,29 @@ static u32 notrace s5p_read_sched_clock(void)
322 return ~__raw_readl(reg); 322 return ~__raw_readl(reg);
323} 323}
324 324
325static void __init s5p_clocksource_init(void) 325static void __init samsung_clocksource_init(void)
326{ 326{
327 unsigned long pclk; 327 unsigned long pclk;
328 unsigned long clock_rate; 328 unsigned long clock_rate;
329 329
330 pclk = clk_get_rate(timerclk); 330 pclk = clk_get_rate(timerclk);
331 331
332 clk_set_rate(tdiv_source, pclk / 2); 332 clk_set_rate(tdiv_source, pclk / TDIV);
333 clk_set_parent(tin_source, tdiv_source); 333 clk_set_parent(tin_source, tdiv_source);
334 334
335 clock_rate = clk_get_rate(tin_source); 335 clock_rate = clk_get_rate(tin_source);
336 336
337 s5p_time_setup(timer_source.source_id, TCNT_MAX); 337 samsung_time_setup(timer_source.source_id, TCNT_MAX);
338 s5p_time_start(timer_source.source_id, PERIODIC); 338 samsung_time_start(timer_source.source_id, PERIODIC);
339 339
340 setup_sched_clock(s5p_read_sched_clock, 32, clock_rate); 340 setup_sched_clock(samsung_read_sched_clock, TSIZE, clock_rate);
341 341
342 if (clocksource_mmio_init(s5p_timer_reg(), "s5p_clocksource_timer", 342 if (clocksource_mmio_init(samsung_timer_reg(), "samsung_clocksource_timer",
343 clock_rate, 250, 32, clocksource_mmio_readl_down)) 343 clock_rate, 250, TSIZE, clocksource_mmio_readl_down))
344 panic("s5p_clocksource_timer: can't register clocksource\n"); 344 panic("samsung_clocksource_timer: can't register clocksource\n");
345} 345}
346 346
347static void __init s5p_timer_resources(void) 347static void __init samsung_timer_resources(void)
348{ 348{
349 349
350 unsigned long event_id = timer_source.event_id; 350 unsigned long event_id = timer_source.event_id;
@@ -386,9 +386,9 @@ static void __init s5p_timer_resources(void)
386 clk_enable(tin_source); 386 clk_enable(tin_source);
387} 387}
388 388
389void __init s5p_timer_init(void) 389void __init samsung_timer_init(void)
390{ 390{
391 s5p_timer_resources(); 391 samsung_timer_resources();
392 s5p_clockevent_init(); 392 samsung_clockevent_init();
393 s5p_clocksource_init(); 393 samsung_clocksource_init();
394} 394}
diff --git a/arch/arm/plat-samsung/time.c b/arch/arm/plat-samsung/time.c
deleted file mode 100644
index 73defd00c3e4..000000000000
--- a/arch/arm/plat-samsung/time.c
+++ /dev/null
@@ -1,287 +0,0 @@
1/* linux/arch/arm/plat-samsung/time.c
2 *
3 * Copyright (C) 2003-2005 Simtec Electronics
4 * Ben Dooks, <ben@simtec.co.uk>
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 as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21#include <linux/kernel.h>
22#include <linux/sched.h>
23#include <linux/init.h>
24#include <linux/interrupt.h>
25#include <linux/irq.h>
26#include <linux/err.h>
27#include <linux/clk.h>
28#include <linux/io.h>
29#include <linux/platform_device.h>
30#include <linux/syscore_ops.h>
31
32#include <asm/mach-types.h>
33
34#include <asm/irq.h>
35#include <mach/map.h>
36#include <plat/regs-timer.h>
37#include <mach/regs-irq.h>
38#include <asm/mach/time.h>
39#include <mach/tick.h>
40
41#include <plat/clock.h>
42#include <plat/cpu.h>
43
44static unsigned long timer_startval;
45static unsigned long timer_usec_ticks;
46
47#ifndef TICK_MAX
48#define TICK_MAX (0xffff)
49#endif
50
51#define TIMER_USEC_SHIFT 16
52
53/* we use the shifted arithmetic to work out the ratio of timer ticks
54 * to usecs, as often the peripheral clock is not a nice even multiple
55 * of 1MHz.
56 *
57 * shift of 14 and 15 are too low for the 12MHz, 16 seems to be ok
58 * for the current HZ value of 200 without producing overflows.
59 *
60 * Original patch by Dimitry Andric, updated by Ben Dooks
61*/
62
63
64/* timer_mask_usec_ticks
65 *
66 * given a clock and divisor, make the value to pass into timer_ticks_to_usec
67 * to scale the ticks into usecs
68*/
69
70static inline unsigned long
71timer_mask_usec_ticks(unsigned long scaler, unsigned long pclk)
72{
73 unsigned long den = pclk / 1000;
74
75 return ((1000 << TIMER_USEC_SHIFT) * scaler + (den >> 1)) / den;
76}
77
78/* timer_ticks_to_usec
79 *
80 * convert timer ticks to usec.
81*/
82
83static inline unsigned long timer_ticks_to_usec(unsigned long ticks)
84{
85 unsigned long res;
86
87 res = ticks * timer_usec_ticks;
88 res += 1 << (TIMER_USEC_SHIFT - 4); /* round up slightly */
89
90 return res >> TIMER_USEC_SHIFT;
91}
92
93/***
94 * Returns microsecond since last clock interrupt. Note that interrupts
95 * will have been disabled by do_gettimeoffset()
96 * IRQs are disabled before entering here from do_gettimeofday()
97 */
98
99static u32 s3c2410_gettimeoffset(void)
100{
101 unsigned long tdone;
102 unsigned long tval;
103
104 /* work out how many ticks have gone since last timer interrupt */
105
106 tval = __raw_readl(S3C2410_TCNTO(4));
107 tdone = timer_startval - tval;
108
109 /* check to see if there is an interrupt pending */
110
111 if (s3c24xx_ostimer_pending()) {
112 /* re-read the timer, and try and fix up for the missed
113 * interrupt. Note, the interrupt may go off before the
114 * timer has re-loaded from wrapping.
115 */
116
117 tval = __raw_readl(S3C2410_TCNTO(4));
118 tdone = timer_startval - tval;
119
120 if (tval != 0)
121 tdone += timer_startval;
122 }
123
124 return timer_ticks_to_usec(tdone) * 1000;
125}
126
127
128/*
129 * IRQ handler for the timer
130 */
131static irqreturn_t
132s3c2410_timer_interrupt(int irq, void *dev_id)
133{
134 timer_tick();
135 return IRQ_HANDLED;
136}
137
138static struct irqaction s3c2410_timer_irq = {
139 .name = "S3C2410 Timer Tick",
140 .flags = IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
141 .handler = s3c2410_timer_interrupt,
142};
143
144#define use_tclk1_12() ( \
145 machine_is_bast() || \
146 machine_is_vr1000() || \
147 machine_is_anubis() || \
148 machine_is_osiris())
149
150static struct clk *tin;
151static struct clk *tdiv;
152static struct clk *timerclk;
153
154/*
155 * Set up timer interrupt, and return the current time in seconds.
156 *
157 * Currently we only use timer4, as it is the only timer which has no
158 * other function that can be exploited externally
159 */
160static void s3c2410_timer_setup (void)
161{
162 unsigned long tcon;
163 unsigned long tcnt;
164 unsigned long tcfg1;
165 unsigned long tcfg0;
166
167 tcnt = TICK_MAX; /* default value for tcnt */
168
169 /* configure the system for whichever machine is in use */
170
171 if (use_tclk1_12()) {
172 /* timer is at 12MHz, scaler is 1 */
173 timer_usec_ticks = timer_mask_usec_ticks(1, 12000000);
174 tcnt = 12000000 / HZ;
175
176 tcfg1 = __raw_readl(S3C2410_TCFG1);
177 tcfg1 &= ~S3C2410_TCFG1_MUX4_MASK;
178 tcfg1 |= S3C2410_TCFG1_MUX4_TCLK1;
179 __raw_writel(tcfg1, S3C2410_TCFG1);
180 } else {
181 unsigned long pclk;
182 struct clk *tscaler;
183
184 /* for the h1940 (and others), we use the pclk from the core
185 * to generate the timer values. since values around 50 to
186 * 70MHz are not values we can directly generate the timer
187 * value from, we need to pre-scale and divide before using it.
188 *
189 * for instance, using 50.7MHz and dividing by 6 gives 8.45MHz
190 * (8.45 ticks per usec)
191 */
192
193 pclk = clk_get_rate(timerclk);
194
195 /* configure clock tick */
196
197 timer_usec_ticks = timer_mask_usec_ticks(6, pclk);
198
199 tscaler = clk_get_parent(tdiv);
200
201 clk_set_rate(tscaler, pclk / 3);
202 clk_set_rate(tdiv, pclk / 6);
203 clk_set_parent(tin, tdiv);
204
205 tcnt = clk_get_rate(tin) / HZ;
206 }
207
208 tcon = __raw_readl(S3C2410_TCON);
209 tcfg0 = __raw_readl(S3C2410_TCFG0);
210 tcfg1 = __raw_readl(S3C2410_TCFG1);
211
212 /* timers reload after counting zero, so reduce the count by 1 */
213
214 tcnt--;
215
216 printk(KERN_DEBUG "timer tcon=%08lx, tcnt %04lx, tcfg %08lx,%08lx, usec %08lx\n",
217 tcon, tcnt, tcfg0, tcfg1, timer_usec_ticks);
218
219 /* check to see if timer is within 16bit range... */
220 if (tcnt > TICK_MAX) {
221 panic("setup_timer: HZ is too small, cannot configure timer!");
222 return;
223 }
224
225 __raw_writel(tcfg1, S3C2410_TCFG1);
226 __raw_writel(tcfg0, S3C2410_TCFG0);
227
228 timer_startval = tcnt;
229 __raw_writel(tcnt, S3C2410_TCNTB(4));
230
231 /* ensure timer is stopped... */
232
233 tcon &= ~(7<<20);
234 tcon |= S3C2410_TCON_T4RELOAD;
235 tcon |= S3C2410_TCON_T4MANUALUPD;
236
237 __raw_writel(tcon, S3C2410_TCON);
238 __raw_writel(tcnt, S3C2410_TCNTB(4));
239 __raw_writel(tcnt, S3C2410_TCMPB(4));
240
241 /* start the timer running */
242 tcon |= S3C2410_TCON_T4START;
243 tcon &= ~S3C2410_TCON_T4MANUALUPD;
244 __raw_writel(tcon, S3C2410_TCON);
245}
246
247static void __init s3c2410_timer_resources(void)
248{
249 struct platform_device tmpdev;
250
251 tmpdev.dev.bus = &platform_bus_type;
252 tmpdev.id = 4;
253
254 timerclk = clk_get(NULL, "timers");
255 if (IS_ERR(timerclk))
256 panic("failed to get clock for system timer");
257
258 clk_enable(timerclk);
259
260 if (!use_tclk1_12()) {
261 tmpdev.id = 4;
262 tmpdev.dev.init_name = "s3c24xx-pwm.4";
263 tin = clk_get(&tmpdev.dev, "pwm-tin");
264 if (IS_ERR(tin))
265 panic("failed to get pwm-tin clock for system timer");
266
267 tdiv = clk_get(&tmpdev.dev, "pwm-tdiv");
268 if (IS_ERR(tdiv))
269 panic("failed to get pwm-tdiv clock for system timer");
270 }
271
272 clk_enable(tin);
273}
274
275static struct syscore_ops s3c24xx_syscore_ops = {
276 .resume = s3c2410_timer_setup,
277};
278
279void __init s3c24xx_timer_init(void)
280{
281 arch_gettimeoffset = s3c2410_gettimeoffset;
282
283 s3c2410_timer_resources();
284 s3c2410_timer_setup();
285 setup_irq(IRQ_TIMER4, &s3c2410_timer_irq);
286 register_syscore_ops(&s3c24xx_syscore_ops);
287}