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authorChao Xie <chao.xie@marvell.com>2012-08-26 22:54:01 -0400
committerHaojian Zhuang <haojian.zhuang@gmail.com>2012-09-08 11:37:51 -0400
commit9e73d6982314a903beebb2e47e585a9804f237cf (patch)
tree66b0703c5d05ad274be155ab2d20444d5da74217 /arch/arm/mach-mmp
parent50d0e24499787a39e5fa585a770591648a9760fd (diff)
arm: mmp: move pxa910 clock definition to separated file
move pxa910 clock definition to another file. Then pxa910 can choose common clock framework or private clock framework. Signed-off-by: Chao Xie <xiechao.mail@gmail.com> Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Diffstat (limited to 'arch/arm/mach-mmp')
-rw-r--r--arch/arm/mach-mmp/Makefile1
-rw-r--r--arch/arm/mach-mmp/clock-pxa910.c67
-rw-r--r--arch/arm/mach-mmp/common.h1
-rw-r--r--arch/arm/mach-mmp/pxa910.c40
4 files changed, 73 insertions, 36 deletions
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index bb63f86185a9..ac0e8858c9d8 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_CPU_MMP2) += mmp2.o sram.o
12ifeq ($(CONFIG_COMMON_CLK), ) 12ifeq ($(CONFIG_COMMON_CLK), )
13obj-y += clock.o 13obj-y += clock.o
14obj-$(CONFIG_CPU_PXA168) += clock-pxa168.o 14obj-$(CONFIG_CPU_PXA168) += clock-pxa168.o
15obj-$(CONFIG_CPU_PXA910) += clock-pxa910.o
15endif 16endif
16ifeq ($(CONFIG_PM),y) 17ifeq ($(CONFIG_PM),y)
17obj-$(CONFIG_CPU_PXA910) += pm-pxa910.o 18obj-$(CONFIG_CPU_PXA910) += pm-pxa910.o
diff --git a/arch/arm/mach-mmp/clock-pxa910.c b/arch/arm/mach-mmp/clock-pxa910.c
new file mode 100644
index 000000000000..933ea71d0b56
--- /dev/null
+++ b/arch/arm/mach-mmp/clock-pxa910.c
@@ -0,0 +1,67 @@
1#include <linux/module.h>
2#include <linux/kernel.h>
3#include <linux/init.h>
4#include <linux/list.h>
5#include <linux/io.h>
6#include <linux/clk.h>
7
8#include <mach/addr-map.h>
9
10#include "common.h"
11#include "clock.h"
12
13/*
14 * APB Clock register offsets for PXA910
15 */
16#define APBC_UART0 APBC_REG(0x000)
17#define APBC_UART1 APBC_REG(0x004)
18#define APBC_GPIO APBC_REG(0x008)
19#define APBC_PWM1 APBC_REG(0x00c)
20#define APBC_PWM2 APBC_REG(0x010)
21#define APBC_PWM3 APBC_REG(0x014)
22#define APBC_PWM4 APBC_REG(0x018)
23#define APBC_SSP1 APBC_REG(0x01c)
24#define APBC_SSP2 APBC_REG(0x020)
25#define APBC_RTC APBC_REG(0x028)
26#define APBC_TWSI0 APBC_REG(0x02c)
27#define APBC_KPC APBC_REG(0x030)
28#define APBC_SSP3 APBC_REG(0x04c)
29#define APBC_TWSI1 APBC_REG(0x06c)
30
31#define APMU_NAND APMU_REG(0x060)
32#define APMU_USB APMU_REG(0x05c)
33
34static APBC_CLK(uart1, UART0, 1, 14745600);
35static APBC_CLK(uart2, UART1, 1, 14745600);
36static APBC_CLK(twsi0, TWSI0, 1, 33000000);
37static APBC_CLK(twsi1, TWSI1, 1, 33000000);
38static APBC_CLK(pwm1, PWM1, 1, 13000000);
39static APBC_CLK(pwm2, PWM2, 1, 13000000);
40static APBC_CLK(pwm3, PWM3, 1, 13000000);
41static APBC_CLK(pwm4, PWM4, 1, 13000000);
42static APBC_CLK(gpio, GPIO, 0, 13000000);
43static APBC_CLK(rtc, RTC, 8, 32768);
44
45static APMU_CLK(nand, NAND, 0x19b, 156000000);
46static APMU_CLK(u2o, USB, 0x1b, 480000000);
47
48/* device and clock bindings */
49static struct clk_lookup pxa910_clkregs[] = {
50 INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
51 INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
52 INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
53 INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
54 INIT_CLKREG(&clk_pwm1, "pxa910-pwm.0", NULL),
55 INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL),
56 INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL),
57 INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL),
58 INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
59 INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
60 INIT_CLKREG(&clk_u2o, NULL, "U2OCLK"),
61 INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
62};
63
64void __init pxa910_clk_init(void)
65{
66 clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs));
67}
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h
index e47f73f55c45..1cad41b41c51 100644
--- a/arch/arm/mach-mmp/common.h
+++ b/arch/arm/mach-mmp/common.h
@@ -8,3 +8,4 @@ extern void __init icu_init_irq(void);
8extern void __init mmp_map_io(void); 8extern void __init mmp_map_io(void);
9extern void mmp_restart(char, const char *); 9extern void mmp_restart(char, const char *);
10extern void __init pxa168_clk_init(void); 10extern void __init pxa168_clk_init(void);
11extern void __init pxa910_clk_init(void);
diff --git a/arch/arm/mach-mmp/pxa910.c b/arch/arm/mach-mmp/pxa910.c
index 6da52e9f2bdc..7d84521bb715 100644
--- a/arch/arm/mach-mmp/pxa910.c
+++ b/arch/arm/mach-mmp/pxa910.c
@@ -17,7 +17,6 @@
17#include <asm/mach/time.h> 17#include <asm/mach/time.h>
18#include <mach/addr-map.h> 18#include <mach/addr-map.h>
19#include <mach/regs-apbc.h> 19#include <mach/regs-apbc.h>
20#include <mach/regs-apmu.h>
21#include <mach/cputype.h> 20#include <mach/cputype.h>
22#include <mach/irqs.h> 21#include <mach/irqs.h>
23#include <mach/dma.h> 22#include <mach/dma.h>
@@ -25,7 +24,6 @@
25#include <mach/devices.h> 24#include <mach/devices.h>
26 25
27#include "common.h" 26#include "common.h"
28#include "clock.h"
29 27
30#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000) 28#define MFPR_VIRT_BASE (APB_VIRT_BASE + 0x1e000)
31 29
@@ -82,44 +80,13 @@ void __init pxa910_init_irq(void)
82 icu_init_irq(); 80 icu_init_irq();
83} 81}
84 82
85/* APB peripheral clocks */
86static APBC_CLK(uart1, PXA910_UART0, 1, 14745600);
87static APBC_CLK(uart2, PXA910_UART1, 1, 14745600);
88static APBC_CLK(twsi0, PXA168_TWSI0, 1, 33000000);
89static APBC_CLK(twsi1, PXA168_TWSI1, 1, 33000000);
90static APBC_CLK(pwm1, PXA910_PWM1, 1, 13000000);
91static APBC_CLK(pwm2, PXA910_PWM2, 1, 13000000);
92static APBC_CLK(pwm3, PXA910_PWM3, 1, 13000000);
93static APBC_CLK(pwm4, PXA910_PWM4, 1, 13000000);
94static APBC_CLK(gpio, PXA910_GPIO, 0, 13000000);
95static APBC_CLK(rtc, PXA910_RTC, 8, 32768);
96
97static APMU_CLK(nand, NAND, 0x19b, 156000000);
98static APMU_CLK(u2o, USB, 0x1b, 480000000);
99
100/* device and clock bindings */
101static struct clk_lookup pxa910_clkregs[] = {
102 INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
103 INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
104 INIT_CLKREG(&clk_twsi0, "pxa2xx-i2c.0", NULL),
105 INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.1", NULL),
106 INIT_CLKREG(&clk_pwm1, "pxa910-pwm.0", NULL),
107 INIT_CLKREG(&clk_pwm2, "pxa910-pwm.1", NULL),
108 INIT_CLKREG(&clk_pwm3, "pxa910-pwm.2", NULL),
109 INIT_CLKREG(&clk_pwm4, "pxa910-pwm.3", NULL),
110 INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
111 INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
112 INIT_CLKREG(&clk_u2o, NULL, "U2OCLK"),
113 INIT_CLKREG(&clk_rtc, "sa1100-rtc", NULL),
114};
115
116static int __init pxa910_init(void) 83static int __init pxa910_init(void)
117{ 84{
118 if (cpu_is_pxa910()) { 85 if (cpu_is_pxa910()) {
119 mfp_init_base(MFPR_VIRT_BASE); 86 mfp_init_base(MFPR_VIRT_BASE);
120 mfp_init_addr(pxa910_mfp_addr_map); 87 mfp_init_addr(pxa910_mfp_addr_map);
121 pxa_init_dma(IRQ_PXA910_DMA_INT0, 32); 88 pxa_init_dma(IRQ_PXA910_DMA_INT0, 32);
122 clkdev_add_table(ARRAY_AND_SIZE(pxa910_clkregs)); 89 pxa910_clk_init();
123 } 90 }
124 91
125 return 0; 92 return 0;
@@ -128,12 +95,13 @@ postcore_initcall(pxa910_init);
128 95
129/* system timer - clock enabled, 3.25MHz */ 96/* system timer - clock enabled, 3.25MHz */
130#define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3)) 97#define TIMER_CLK_RST (APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(3))
98#define APBC_TIMERS APBC_REG(0x34)
131 99
132static void __init pxa910_timer_init(void) 100static void __init pxa910_timer_init(void)
133{ 101{
134 /* reset and configure */ 102 /* reset and configure */
135 __raw_writel(APBC_APBCLK | APBC_RST, APBC_PXA910_TIMERS); 103 __raw_writel(APBC_APBCLK | APBC_RST, APBC_TIMERS);
136 __raw_writel(TIMER_CLK_RST, APBC_PXA910_TIMERS); 104 __raw_writel(TIMER_CLK_RST, APBC_TIMERS);
137 105
138 timer_init(IRQ_PXA910_AP1_TIMER1); 106 timer_init(IRQ_PXA910_AP1_TIMER1);
139} 107}