aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/arm/mach-s3c6400/include/mach/map.h1
-rw-r--r--arch/arm/plat-s3c64xx/Makefile1
-rw-r--r--arch/arm/plat-s3c64xx/cpu.c106
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/s3c6400.h33
-rw-r--r--arch/arm/plat-s3c64xx/include/plat/s3c6410.h28
5 files changed, 169 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c6400/include/mach/map.h
index 0ee6be08e748..de6cdd518cea 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c6400/include/mach/map.h
@@ -24,6 +24,7 @@
24#define S3C_PA_UART3 (S3C_PA_UART + 0xC00) 24#define S3C_PA_UART3 (S3C_PA_UART + 0xC00)
25#define S3C_UART_OFFSET (0x400) 25#define S3C_UART_OFFSET (0x400)
26 26
27#define S3C64XX_PA_SYSCON (0x7E00F000)
27#define S3C64XX_PA_TIMER (0x7F006000) 28#define S3C64XX_PA_TIMER (0x7F006000)
28 29
29#define S3C64XX_PA_SDRAM (0x50000000) 30#define S3C64XX_PA_SDRAM (0x50000000)
diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/plat-s3c64xx/Makefile
index 178c968bb8da..5d9a1d86ab8e 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/plat-s3c64xx/Makefile
@@ -13,3 +13,4 @@ obj- :=
13# Core files 13# Core files
14 14
15obj-y += dev-uart.o 15obj-y += dev-uart.o
16obj-y += cpu.o
diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/plat-s3c64xx/cpu.c
new file mode 100644
index 000000000000..dc7bf112ec05
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/cpu.c
@@ -0,0 +1,106 @@
1/* linux/arch/arm/plat-s3c64xx/cpu.c
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * S3C64XX CPU Support
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
15#include <linux/init.h>
16#include <linux/module.h>
17#include <linux/interrupt.h>
18#include <linux/ioport.h>
19#include <linux/serial_core.h>
20#include <linux/platform_device.h>
21#include <linux/delay.h>
22#include <linux/io.h>
23
24#include <mach/hardware.h>
25#include <mach/map.h>
26
27#include <asm/mach/arch.h>
28#include <asm/mach/map.h>
29
30#include <plat/regs-serial.h>
31
32#include <plat/cpu.h>
33#include <plat/devs.h>
34#include <plat/clock.h>
35
36#include <plat/s3c6400.h>
37#include <plat/s3c6410.h>
38
39/* table of supported CPUs */
40
41static const char name_s3c6400[] = "S3C6400";
42static const char name_s3c6410[] = "S3C6410";
43
44static struct cpu_table cpu_ids[] __initdata = {
45 {
46 .idcode = 0x36400000,
47 .idmask = 0xfffff000,
48 .map_io = s3c6400_map_io,
49 .init_clocks = s3c6400_init_clocks,
50 .init_uarts = s3c6400_init_uarts,
51 .init = s3c6400_init,
52 .name = name_s3c6400,
53 }, {
54 .idcode = 0x36410100,
55 .idmask = 0xffffff00,
56 .map_io = s3c6410_map_io,
57 .init_clocks = s3c6410_init_clocks,
58 .init_uarts = s3c6410_init_uarts,
59 .init = s3c6410_init,
60 .name = name_s3c6410,
61 },
62};
63
64/* minimal IO mapping */
65
66/* see notes on uart map in arch/arm/mach-s3c6400/include/mach/debug-macro.S */
67#define UART_OFFS (S3C_PA_UART & 0xfffff)
68
69static struct map_desc s3c_iodesc[] __initdata = {
70 {
71 .virtual = S3C_VA_SYS,
72 .pfn = __phys_to_pfn(S3C64XX_PA_SYSCON),
73 .length = SZ_4K,
74 .type = MT_DEVICE,
75 }, {
76 .virtual = (unsigned long)(S3C_VA_UART + UART_OFFS),
77 .pfn = __phys_to_pfn(S3C_PA_UART),
78 .length = SZ_4K,
79 .type = MT_DEVICE,
80 }, {
81 .virtual = S3C_VA_VIC0,
82 .pfn = __phys_to_pfn(S3C64XX_PA_VIC0),
83 .length = SZ_16K,
84 .type = MT_DEVICE,
85 }, {
86 .virtual = S3C_VA_VIC1,
87 .pfn = __phys_to_pfn(S3C64XX_PA_VIC1),
88 .length = SZ_16K,
89 .type = MT_DEVICE,
90 },
91};
92
93/* read cpu identification code */
94
95
96void __init s3c64xx_init_io(struct map_desc *mach_desc, int size)
97{
98 unsigned long idcode;
99
100 /* initialise the io descriptors we need for initialisation */
101 iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc));
102 iotable_init(mach_desc, size);
103
104 idcode = __raw_readl(S3C_VA_SYS + 0x118);
105 s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
106}
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
new file mode 100644
index 000000000000..142bb3d18cdc
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
@@ -0,0 +1,33 @@
1/* arch/arm/plat-s3c64xx/include/plat/s3c6400.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * Header file for s3c6400 cpu support
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
15/* Common init code for S3C6400 related SoCs */
16
17extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
18
19#ifdef CONFIG_CPU_S3C6400
20
21extern int s3c6400_init(void);
22extern void s3c6400_map_io(void);
23extern void s3c6400_init_clocks(int xtal);
24
25#define s3c6400_init_uarts s3c6400_common_init_uarts
26
27#else
28#define s3c6400_init_clocks NULL
29#define s3c6400_init_uarts NULL
30#define s3c6400_map_io NULL
31#define s3c6400_init NULL
32#endif
33
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6410.h b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h
new file mode 100644
index 000000000000..56f14b5d454b
--- /dev/null
+++ b/arch/arm/plat-s3c64xx/include/plat/s3c6410.h
@@ -0,0 +1,28 @@
1/* arch/arm/plat-s3c64xx/include/plat/s3c6410.h
2 *
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
7 *
8 * Header file for s3c6410 cpu support
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
15#ifdef CONFIG_CPU_S3C6410
16
17extern int s3c6410_init(void);
18extern void s3c6410_map_io(void);
19extern void s3c6410_init_clocks(int xtal);
20
21#define s3c6410_init_uarts s3c6400_common_init_uarts
22
23#else
24#define s3c6410_init_clocks NULL
25#define s3c6410_init_uarts NULL
26#define s3c6410_map_io NULL
27#define s3c6410_init NULL
28#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-28 19:01:19 -0500