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authorKukjin Kim <kgene.kim@samsung.com>2010-01-28 20:12:14 -0500
committerBen Dooks <ben-linux@fluff.org>2010-02-23 20:52:15 -0500
commit5f7f6a4a0df9b43051d57fdb8ea96c083247a08f (patch)
tree8b89db3128eb45123561cd7aad172f27000ed537 /arch/arm/mach-s5p6442
parenta0af8b3c701d254b55fc291150d5320317c0a338 (diff)
ARM: S5P6442: Add Samsung S5P6442 CPU support
This patch adds support for Samsung S5P6442 CPU. This patch also adds an entry for S5P6442 cpu in plat-s5p cpu table. Signed-off-by: Adityapratap Sharma <aditya.ps@samsung.com> Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s5p6442')
-rw-r--r--arch/arm/mach-s5p6442/Kconfig24
-rw-r--r--arch/arm/mach-s5p6442/Makefile18
-rw-r--r--arch/arm/mach-s5p6442/Makefile.boot2
-rw-r--r--arch/arm/mach-s5p6442/cpu.c121
-rw-r--r--arch/arm/mach-s5p6442/include/mach/debug-macro.S36
-rw-r--r--arch/arm/mach-s5p6442/include/mach/entry-macro.S48
-rw-r--r--arch/arm/mach-s5p6442/include/mach/gpio.h123
-rw-r--r--arch/arm/mach-s5p6442/include/mach/hardware.h18
-rw-r--r--arch/arm/mach-s5p6442/include/mach/map.h58
-rw-r--r--arch/arm/mach-s5p6442/include/mach/memory.h19
-rw-r--r--arch/arm/mach-s5p6442/include/mach/system.h26
-rw-r--r--arch/arm/mach-s5p6442/include/mach/uncompress.h24
-rw-r--r--arch/arm/mach-s5p6442/init.c44
13 files changed, 561 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6442/Kconfig b/arch/arm/mach-s5p6442/Kconfig
new file mode 100644
index 000000000000..4f3f6de6a013
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Kconfig
@@ -0,0 +1,24 @@
1# arch/arm/mach-s5p6442/Kconfig
2#
3# Copyright (c) 2010 Samsung Electronics Co., Ltd.
4# http://www.samsung.com/
5#
6# Licensed under GPLv2
7
8# Configuration options for the S5P6442
9
10if ARCH_S5P6442
11
12config CPU_S5P6442
13 bool
14 select PLAT_S5P
15 help
16 Enable S5P6442 CPU support
17
18config MACH_SMDK6442
19 bool "SMDK6442"
20 select CPU_S5P6442
21 help
22 Machine support for Samsung SMDK6442
23
24endif
diff --git a/arch/arm/mach-s5p6442/Makefile b/arch/arm/mach-s5p6442/Makefile
new file mode 100644
index 000000000000..8a0f8ac65602
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Makefile
@@ -0,0 +1,18 @@
1# arch/arm/mach-s5p6442/Makefile
2#
3# Copyright (c) 2010 Samsung Electronics Co., Ltd.
4# http://www.samsung.com/
5#
6# Licensed under GPLv2
7
8obj-y :=
9obj-m :=
10obj-n :=
11obj- :=
12
13# Core support for S5P6442 system
14
15obj-$(CONFIG_CPU_S5P6442) += cpu.o init.o
16
17# machine support
18
diff --git a/arch/arm/mach-s5p6442/Makefile.boot b/arch/arm/mach-s5p6442/Makefile.boot
new file mode 100644
index 000000000000..ff90aa13bd67
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Makefile.boot
@@ -0,0 +1,2 @@
1 zreladdr-y := 0x20008000
2params_phys-y := 0x20000100
diff --git a/arch/arm/mach-s5p6442/cpu.c b/arch/arm/mach-s5p6442/cpu.c
new file mode 100644
index 000000000000..bc2524df89b3
--- /dev/null
+++ b/arch/arm/mach-s5p6442/cpu.c
@@ -0,0 +1,121 @@
1/* linux/arch/arm/mach-s5p6442/cpu.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
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
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/interrupt.h>
14#include <linux/list.h>
15#include <linux/timer.h>
16#include <linux/init.h>
17#include <linux/clk.h>
18#include <linux/io.h>
19#include <linux/sysdev.h>
20#include <linux/serial_core.h>
21#include <linux/platform_device.h>
22
23#include <asm/mach/arch.h>
24#include <asm/mach/map.h>
25#include <asm/mach/irq.h>
26
27#include <asm/proc-fns.h>
28
29#include <mach/hardware.h>
30#include <mach/map.h>
31#include <asm/irq.h>
32
33#include <plat/regs-serial.h>
34#include <mach/regs-clock.h>
35
36#include <plat/cpu.h>
37#include <plat/devs.h>
38#include <plat/clock.h>
39#include <plat/s5p6442.h>
40
41/* Initial IO mappings */
42
43static struct map_desc s5p6442_iodesc[] __initdata = {
44 {
45 .virtual = (unsigned long)S5P_VA_SYSTIMER,
46 .pfn = __phys_to_pfn(S5P6442_PA_SYSTIMER),
47 .length = SZ_16K,
48 .type = MT_DEVICE,
49 }, {
50 .virtual = (unsigned long)VA_VIC2,
51 .pfn = __phys_to_pfn(S5P6442_PA_VIC2),
52 .length = SZ_16K,
53 .type = MT_DEVICE,
54 }
55};
56
57static void s5p6442_idle(void)
58{
59 if (!need_resched())
60 cpu_do_idle();
61
62 local_irq_enable();
63}
64
65/* s5p6442_map_io
66 *
67 * register the standard cpu IO areas
68*/
69
70void __init s5p6442_map_io(void)
71{
72 iotable_init(s5p6442_iodesc, ARRAY_SIZE(s5p6442_iodesc));
73}
74
75void __init s5p6442_init_clocks(int xtal)
76{
77 printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
78
79 s3c24xx_register_baseclocks(xtal);
80 s5p_register_clocks(xtal);
81 s5p6442_register_clocks();
82 s5p6442_setup_clocks();
83}
84
85void __init s5p6442_init_irq(void)
86{
87 /* S5P6442 supports 3 VIC */
88 u32 vic[3];
89
90 /* VIC0, VIC1, and VIC2: some interrupt reserved */
91 vic[0] = 0x7fefffff;
92 vic[1] = 0X7f389c81;
93 vic[2] = 0X1bbbcfff;
94
95 s5p_init_irq(vic, ARRAY_SIZE(vic));
96}
97
98static struct sysdev_class s5p6442_sysclass = {
99 .name = "s5p6442-core",
100};
101
102static struct sys_device s5p6442_sysdev = {
103 .cls = &s5p6442_sysclass,
104};
105
106static int __init s5p6442_core_init(void)
107{
108 return sysdev_class_register(&s5p6442_sysclass);
109}
110
111core_initcall(s5p6442_core_init);
112
113int __init s5p6442_init(void)
114{
115 printk(KERN_INFO "S5P6442: Initializing architecture\n");
116
117 /* set idle function */
118 pm_idle = s5p6442_idle;
119
120 return sysdev_register(&s5p6442_sysdev);
121}
diff --git a/arch/arm/mach-s5p6442/include/mach/debug-macro.S b/arch/arm/mach-s5p6442/include/mach/debug-macro.S
new file mode 100644
index 000000000000..1aae691e58ef
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/debug-macro.S
@@ -0,0 +1,36 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/debug-macro.S
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
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/* pull in the relevant register and map files. */
14
15#include <mach/map.h>
16#include <plat/regs-serial.h>
17
18 .macro addruart, rx
19 mrc p15, 0, \rx, c1, c0
20 tst \rx, #1
21 ldreq \rx, = S3C_PA_UART
22 ldrne \rx, = S3C_VA_UART
23#if CONFIG_DEBUG_S3C_UART != 0
24 add \rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
25#endif
26 .endm
27
28#define fifo_full fifo_full_s5pv210
29#define fifo_level fifo_level_s5pv210
30
31/* include the reset of the code which will do the work, we're only
32 * compiling for a single cpu processor type so the default of s3c2440
33 * will be fine with us.
34 */
35
36#include <plat/debug-macro.S>
diff --git a/arch/arm/mach-s5p6442/include/mach/entry-macro.S b/arch/arm/mach-s5p6442/include/mach/entry-macro.S
new file mode 100644
index 000000000000..6d574edbf1ae
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/entry-macro.S
@@ -0,0 +1,48 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Low-level IRQ helper macros for the Samsung S5P6442
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 <asm/hardware/vic.h>
14#include <mach/map.h>
15#include <plat/irqs.h>
16
17 .macro disable_fiq
18 .endm
19
20 .macro get_irqnr_preamble, base, tmp
21 ldr \base, =VA_VIC0
22 .endm
23
24 .macro arch_ret_to_user, tmp1, tmp2
25 .endm
26
27 .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
28
29 @ check the vic0
30 mov \irqnr, # S5P_IRQ_OFFSET + 31
31 ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
32 teq \irqstat, #0
33
34 @ otherwise try vic1
35 addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
36 addeq \irqnr, \irqnr, #32
37 ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
38 teqeq \irqstat, #0
39
40 @ otherwise try vic2
41 addeq \tmp, \base, #(VA_VIC2 - VA_VIC0)
42 addeq \irqnr, \irqnr, #32
43 ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
44 teqeq \irqstat, #0
45
46 clzne \irqstat, \irqstat
47 subne \irqnr, \irqnr, \irqstat
48 .endm
diff --git a/arch/arm/mach-s5p6442/include/mach/gpio.h b/arch/arm/mach-s5p6442/include/mach/gpio.h
new file mode 100644
index 000000000000..b8715df2fdab
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/gpio.h
@@ -0,0 +1,123 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/gpio.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - GPIO lib 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_ARCH_GPIO_H
14#define __ASM_ARCH_GPIO_H __FILE__
15
16#define gpio_get_value __gpio_get_value
17#define gpio_set_value __gpio_set_value
18#define gpio_cansleep __gpio_cansleep
19#define gpio_to_irq __gpio_to_irq
20
21/* GPIO bank sizes */
22#define S5P6442_GPIO_A0_NR (8)
23#define S5P6442_GPIO_A1_NR (2)
24#define S5P6442_GPIO_B_NR (4)
25#define S5P6442_GPIO_C0_NR (5)
26#define S5P6442_GPIO_C1_NR (5)
27#define S5P6442_GPIO_D0_NR (2)
28#define S5P6442_GPIO_D1_NR (6)
29#define S5P6442_GPIO_E0_NR (8)
30#define S5P6442_GPIO_E1_NR (5)
31#define S5P6442_GPIO_F0_NR (8)
32#define S5P6442_GPIO_F1_NR (8)
33#define S5P6442_GPIO_F2_NR (8)
34#define S5P6442_GPIO_F3_NR (6)
35#define S5P6442_GPIO_G0_NR (7)
36#define S5P6442_GPIO_G1_NR (7)
37#define S5P6442_GPIO_G2_NR (7)
38#define S5P6442_GPIO_H0_NR (8)
39#define S5P6442_GPIO_H1_NR (8)
40#define S5P6442_GPIO_H2_NR (8)
41#define S5P6442_GPIO_H3_NR (8)
42#define S5P6442_GPIO_J0_NR (8)
43#define S5P6442_GPIO_J1_NR (6)
44#define S5P6442_GPIO_J2_NR (8)
45#define S5P6442_GPIO_J3_NR (8)
46#define S5P6442_GPIO_J4_NR (5)
47
48/* GPIO bank numbers */
49
50/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
51 * space for debugging purposes so that any accidental
52 * change from one gpio bank to another can be caught.
53*/
54
55#define S5P6442_GPIO_NEXT(__gpio) \
56 ((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
57
58enum s5p_gpio_number {
59 S5P6442_GPIO_A0_START = 0,
60 S5P6442_GPIO_A1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A0),
61 S5P6442_GPIO_B_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_A1),
62 S5P6442_GPIO_C0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_B),
63 S5P6442_GPIO_C1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C0),
64 S5P6442_GPIO_D0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_C1),
65 S5P6442_GPIO_D1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D0),
66 S5P6442_GPIO_E0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_D1),
67 S5P6442_GPIO_E1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E0),
68 S5P6442_GPIO_F0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_E1),
69 S5P6442_GPIO_F1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F0),
70 S5P6442_GPIO_F2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F1),
71 S5P6442_GPIO_F3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F2),
72 S5P6442_GPIO_G0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_F3),
73 S5P6442_GPIO_G1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G0),
74 S5P6442_GPIO_G2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G1),
75 S5P6442_GPIO_H0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_G2),
76 S5P6442_GPIO_H1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H0),
77 S5P6442_GPIO_H2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H1),
78 S5P6442_GPIO_H3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H2),
79 S5P6442_GPIO_J0_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_H3),
80 S5P6442_GPIO_J1_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J0),
81 S5P6442_GPIO_J2_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J1),
82 S5P6442_GPIO_J3_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J2),
83 S5P6442_GPIO_J4_START = S5P6442_GPIO_NEXT(S5P6442_GPIO_J3),
84};
85
86/* S5P6442 GPIO number definitions. */
87#define S5P6442_GPA0(_nr) (S5P6442_GPIO_A0_START + (_nr))
88#define S5P6442_GPA1(_nr) (S5P6442_GPIO_A1_START + (_nr))
89#define S5P6442_GPB(_nr) (S5P6442_GPIO_B_START + (_nr))
90#define S5P6442_GPC0(_nr) (S5P6442_GPIO_C0_START + (_nr))
91#define S5P6442_GPC1(_nr) (S5P6442_GPIO_C1_START + (_nr))
92#define S5P6442_GPD0(_nr) (S5P6442_GPIO_D0_START + (_nr))
93#define S5P6442_GPD1(_nr) (S5P6442_GPIO_D1_START + (_nr))
94#define S5P6442_GPE0(_nr) (S5P6442_GPIO_E0_START + (_nr))
95#define S5P6442_GPE1(_nr) (S5P6442_GPIO_E1_START + (_nr))
96#define S5P6442_GPF0(_nr) (S5P6442_GPIO_F0_START + (_nr))
97#define S5P6442_GPF1(_nr) (S5P6442_GPIO_F1_START + (_nr))
98#define S5P6442_GPF2(_nr) (S5P6442_GPIO_F2_START + (_nr))
99#define S5P6442_GPF3(_nr) (S5P6442_GPIO_F3_START + (_nr))
100#define S5P6442_GPG0(_nr) (S5P6442_GPIO_G0_START + (_nr))
101#define S5P6442_GPG1(_nr) (S5P6442_GPIO_G1_START + (_nr))
102#define S5P6442_GPG2(_nr) (S5P6442_GPIO_G2_START + (_nr))
103#define S5P6442_GPH0(_nr) (S5P6442_GPIO_H0_START + (_nr))
104#define S5P6442_GPH1(_nr) (S5P6442_GPIO_H1_START + (_nr))
105#define S5P6442_GPH2(_nr) (S5P6442_GPIO_H2_START + (_nr))
106#define S5P6442_GPH3(_nr) (S5P6442_GPIO_H3_START + (_nr))
107#define S5P6442_GPJ0(_nr) (S5P6442_GPIO_J0_START + (_nr))
108#define S5P6442_GPJ1(_nr) (S5P6442_GPIO_J1_START + (_nr))
109#define S5P6442_GPJ2(_nr) (S5P6442_GPIO_J2_START + (_nr))
110#define S5P6442_GPJ3(_nr) (S5P6442_GPIO_J3_START + (_nr))
111#define S5P6442_GPJ4(_nr) (S5P6442_GPIO_J4_START + (_nr))
112
113/* the end of the S5P6442 specific gpios */
114#define S5P6442_GPIO_END (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + 1)
115#define S3C_GPIO_END S5P6442_GPIO_END
116
117/* define the number of gpios we need to the one after the GPJ4() range */
118#define ARCH_NR_GPIOS (S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + \
119 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
120
121#include <asm-generic/gpio.h>
122
123#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/hardware.h b/arch/arm/mach-s5p6442/include/mach/hardware.h
new file mode 100644
index 000000000000..8cd7b67b49d4
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/hardware.h
@@ -0,0 +1,18 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/hardware.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - Hardware 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_ARCH_HARDWARE_H
14#define __ASM_ARCH_HARDWARE_H __FILE__
15
16/* currently nothing here, placeholder */
17
18#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h
new file mode 100644
index 000000000000..685277d792fb
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/map.h
@@ -0,0 +1,58 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/map.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - Memory map definitions
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_ARCH_MAP_H
14#define __ASM_ARCH_MAP_H __FILE__
15
16#include <plat/map-base.h>
17#include <plat/map-s5p.h>
18
19#define S5P6442_PA_CHIPID (0xE0000000)
20#define S5P_PA_CHIPID S5P6442_PA_CHIPID
21
22#define S5P6442_PA_SYSCON (0xE0100000)
23#define S5P_PA_SYSCON S5P6442_PA_SYSCON
24
25#define S5P6442_PA_GPIO (0xE0200000)
26#define S5P_PA_GPIO S5P6442_PA_GPIO
27
28#define S5P6442_PA_VIC0 (0xE4000000)
29#define S5P_PA_VIC0 S5P6442_PA_VIC0
30
31#define S5P6442_PA_VIC1 (0xE4100000)
32#define S5P_PA_VIC1 S5P6442_PA_VIC1
33
34#define S5P6442_PA_VIC2 (0xE4200000)
35#define S5P_PA_VIC2 S5P6442_PA_VIC2
36
37#define S5P6442_PA_TIMER (0xEA000000)
38#define S5P_PA_TIMER S5P6442_PA_TIMER
39
40#define S5P6442_PA_SYSTIMER (0xEA100000)
41
42#define S5P6442_PA_UART (0xEC000000)
43
44#define S5P_PA_UART0 (S5P6442_PA_UART + 0x0)
45#define S5P_PA_UART1 (S5P6442_PA_UART + 0x400)
46#define S5P_PA_UART2 (S5P6442_PA_UART + 0x800)
47#define S5P_SZ_UART SZ_256
48
49#define S5P6442_PA_IIC0 (0xEC100000)
50
51#define S5P6442_PA_SDRAM (0x20000000)
52#define S5P_PA_SDRAM S5P6442_PA_SDRAM
53
54/* compatibiltiy defines. */
55#define S3C_PA_UART S5P6442_PA_UART
56#define S3C_PA_IIC S5P6442_PA_IIC0
57
58#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/memory.h b/arch/arm/mach-s5p6442/include/mach/memory.h
new file mode 100644
index 000000000000..9ddd877ba2ea
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/memory.h
@@ -0,0 +1,19 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/memory.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - Memory definitions
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_ARCH_MEMORY_H
14#define __ASM_ARCH_MEMORY_H
15
16#define PHYS_OFFSET UL(0x20000000)
17#define CONSISTENT_DMA_SIZE SZ_8M
18
19#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/system.h b/arch/arm/mach-s5p6442/include/mach/system.h
new file mode 100644
index 000000000000..8bcd8ed0c3c3
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/system.h
@@ -0,0 +1,26 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/system.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - system support header
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_ARCH_SYSTEM_H
14#define __ASM_ARCH_SYSTEM_H __FILE__
15
16static void arch_idle(void)
17{
18 /* nothing here yet */
19}
20
21static void arch_reset(char mode, const char *cmd)
22{
23 /* nothing here yet */
24}
25
26#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/uncompress.h b/arch/arm/mach-s5p6442/include/mach/uncompress.h
new file mode 100644
index 000000000000..5ac7cbeeb987
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/uncompress.h
@@ -0,0 +1,24 @@
1/* linux/arch/arm/mach-s5p6442/include/mach/uncompress.h
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * S5P6442 - uncompress code
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_ARCH_UNCOMPRESS_H
14#define __ASM_ARCH_UNCOMPRESS_H
15
16#include <mach/map.h>
17#include <plat/uncompress.h>
18
19static void arch_detect_cpu(void)
20{
21 /* we do not need to do any cpu detection here at the moment. */
22}
23
24#endif /* __ASM_ARCH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-s5p6442/init.c b/arch/arm/mach-s5p6442/init.c
new file mode 100644
index 000000000000..1874bdb71e1d
--- /dev/null
+++ b/arch/arm/mach-s5p6442/init.c
@@ -0,0 +1,44 @@
1/* linux/arch/arm/mach-s5p6442/s5p6442-init.c
2 *
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
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
11#include <linux/kernel.h>
12#include <linux/types.h>
13#include <linux/init.h>
14#include <linux/serial_core.h>
15
16#include <plat/cpu.h>
17#include <plat/devs.h>
18#include <plat/s5p6442.h>
19#include <plat/regs-serial.h>
20
21static struct s3c24xx_uart_clksrc s5p6442_serial_clocks[] = {
22 [0] = {
23 .name = "pclk",
24 .divisor = 1,
25 .min_baud = 0,
26 .max_baud = 0,
27 },
28};
29
30/* uart registration process */
31void __init s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
32{
33 struct s3c2410_uartcfg *tcfg = cfg;
34 u32 ucnt;
35
36 for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
37 if (!tcfg->clocks) {
38 tcfg->clocks = s5p6442_serial_clocks;
39 tcfg->clocks_size = ARRAY_SIZE(s5p6442_serial_clocks);
40 }
41 }
42
43 s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
44}
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-13 19:26:02 -0500