Linux-2.6.12-rc2
[linux-3.10.git] / arch / arm / mach-s3c2410 / mach-rx3715.c
1 /* linux/arch/arm/mach-s3c2410/mach-rx3715.c
2  *
3  * Copyright (c) 2003,2004 Simtec Electronics
4  *      Ben Dooks <ben@simtec.co.uk>
5  *
6  * http://www.handhelds.org/projects/rx3715.html
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  * Modifications:
13  *      16-Sep-2004 BJD  Copied from mach-h1940.c
14  *      25-Oct-2004 BJD  Updates for 2.6.10-rc1
15  *      10-Jan-2005 BJD  Removed include of s3c2410.h s3c2440.h
16  *      14-Jan-2005 BJD  Added new clock init
17  *      10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
18  *      14-Mar-2005 BJD  Fixed __iomem warnings
19 */
20
21 #include <linux/kernel.h>
22 #include <linux/types.h>
23 #include <linux/interrupt.h>
24 #include <linux/list.h>
25 #include <linux/timer.h>
26 #include <linux/init.h>
27 #include <linux/tty.h>
28 #include <linux/console.h>
29 #include <linux/serial_core.h>
30 #include <linux/serial.h>
31
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 #include <asm/mach/irq.h>
35
36 #include <asm/hardware.h>
37 #include <asm/hardware/iomd.h>
38 #include <asm/io.h>
39 #include <asm/irq.h>
40 #include <asm/mach-types.h>
41
42 #include <asm/arch/regs-serial.h>
43 #include <asm/arch/regs-gpio.h>
44
45 #include "clock.h"
46 #include "devs.h"
47 #include "cpu.h"
48 #include "pm.h"
49
50 static struct map_desc rx3715_iodesc[] __initdata = {
51         /* dump ISA space somewhere unused */
52
53         { (u32)S3C24XX_VA_ISA_WORD, S3C2410_CS3, SZ_16M, MT_DEVICE },
54         { (u32)S3C24XX_VA_ISA_BYTE, S3C2410_CS3, SZ_16M, MT_DEVICE },
55 };
56
57
58 static struct s3c24xx_uart_clksrc rx3715_serial_clocks[] = {
59         [0] = {
60                 .name           = "fclk",
61                 .divisor        = 0,
62                 .min_baud       = 0,
63                 .max_baud       = 0,
64         }
65 };
66
67 static struct s3c2410_uartcfg rx3715_uartcfgs[] = {
68         [0] = {
69                 .hwport      = 0,
70                 .flags       = 0,
71                 .ucon        = 0x3c5,
72                 .ulcon       = 0x03,
73                 .ufcon       = 0x51,
74                 .clocks      = rx3715_serial_clocks,
75                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
76         },
77         [1] = {
78                 .hwport      = 1,
79                 .flags       = 0,
80                 .ucon        = 0x3c5,
81                 .ulcon       = 0x03,
82                 .ufcon       = 0x00,
83                 .clocks      = rx3715_serial_clocks,
84                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
85         },
86         /* IR port */
87         [2] = {
88                 .hwport      = 2,
89                 .uart_flags  = UPF_CONS_FLOW,
90                 .ucon        = 0x3c5,
91                 .ulcon       = 0x43,
92                 .ufcon       = 0x51,
93                 .clocks      = rx3715_serial_clocks,
94                 .clocks_size = ARRAY_SIZE(rx3715_serial_clocks),
95         }
96 };
97
98 static struct platform_device *rx3715_devices[] __initdata = {
99         &s3c_device_usb,
100         &s3c_device_lcd,
101         &s3c_device_wdt,
102         &s3c_device_i2c,
103         &s3c_device_iis,
104 };
105
106 static struct s3c24xx_board rx3715_board __initdata = {
107         .devices       = rx3715_devices,
108         .devices_count = ARRAY_SIZE(rx3715_devices)
109 };
110
111 void __init rx3715_map_io(void)
112 {
113         s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
114         s3c24xx_init_clocks(16934000);
115         s3c24xx_init_uarts(rx3715_uartcfgs, ARRAY_SIZE(rx3715_uartcfgs));
116         s3c24xx_set_board(&rx3715_board);
117 }
118
119 void __init rx3715_init_irq(void)
120 {
121         s3c24xx_init_irq();
122 }
123
124 #ifdef CONFIG_PM
125 static void __init rx3715_init_machine(void)
126 {
127         s3c2410_pm_init();
128 }
129 #else
130 #define rx3715_init_machine NULL
131 #endif
132
133 MACHINE_START(RX3715, "IPAQ-RX3715")
134      MAINTAINER("Ben Dooks <ben@fluff.org>")
135      BOOT_MEM(S3C2410_SDRAM_PA, S3C2410_PA_UART, (u32)S3C24XX_VA_UART)
136      BOOT_PARAMS(S3C2410_SDRAM_PA + 0x100)
137      MAPIO(rx3715_map_io)
138      INITIRQ(rx3715_init_irq)
139      INIT_MACHINE(rx3715_init_machine)
140         .timer          = &s3c24xx_timer,
141 MACHINE_END