Merge branch 'packaging' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek...
[pandora-kernel.git] / arch / arm / mach-ep93xx / micro9.c
1 /*
2  *  linux/arch/arm/mach-ep93xx/micro9.c
3  *
4  * Copyright (C) 2006 Contec Steuerungstechnik & Automation GmbH
5  *                    Manfred Gruber <m.gruber@tirol.com>
6  * Copyright (C) 2009 Contec Steuerungstechnik & Automation GmbH
7  *                    Hubert Feurstein <hubert.feurstein@contec.at>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
17 #include <linux/io.h>
18
19 #include <mach/hardware.h>
20
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
23
24
25 /*************************************************************************
26  * Micro9 NOR Flash
27  *
28  * Micro9-High has up to 64MB of 32-bit flash on CS1
29  * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
30  * Micro9-Lite uses a separate MTD map driver for flash support
31  * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
32  *************************************************************************/
33 static unsigned int __init micro9_detect_bootwidth(void)
34 {
35         u32 v;
36
37         /* Detect the bus width of the external flash memory */
38         v = __raw_readl(EP93XX_SYSCON_SYSCFG);
39         if (v & EP93XX_SYSCON_SYSCFG_LCSN7)
40                 return 4; /* 32-bit */
41         else
42                 return 2; /* 16-bit */
43 }
44
45 static void __init micro9_register_flash(void)
46 {
47         unsigned int width;
48
49         if (machine_is_micro9())
50                 width = 4;
51         else if (machine_is_micro9m() || machine_is_micro9s())
52                 width = micro9_detect_bootwidth();
53         else
54                 width = 0;
55
56         if (width)
57                 ep93xx_register_flash(width, EP93XX_CS1_PHYS_BASE, SZ_64M);
58 }
59
60
61 /*************************************************************************
62  * Micro9 Ethernet
63  *************************************************************************/
64 static struct ep93xx_eth_data __initdata micro9_eth_data = {
65         .phy_id         = 0x1f,
66 };
67
68
69 static void __init micro9_init_machine(void)
70 {
71         ep93xx_init_devices();
72         ep93xx_register_eth(&micro9_eth_data, 1);
73         micro9_register_flash();
74 }
75
76
77 #ifdef CONFIG_MACH_MICRO9H
78 MACHINE_START(MICRO9, "Contec Micro9-High")
79         /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
80         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
81         .map_io         = ep93xx_map_io,
82         .init_irq       = ep93xx_init_irq,
83         .timer          = &ep93xx_timer,
84         .init_machine   = micro9_init_machine,
85 MACHINE_END
86 #endif
87
88 #ifdef CONFIG_MACH_MICRO9M
89 MACHINE_START(MICRO9M, "Contec Micro9-Mid")
90         /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
91         .boot_params    = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
92         .map_io         = ep93xx_map_io,
93         .init_irq       = ep93xx_init_irq,
94         .timer          = &ep93xx_timer,
95         .init_machine   = micro9_init_machine,
96 MACHINE_END
97 #endif
98
99 #ifdef CONFIG_MACH_MICRO9L
100 MACHINE_START(MICRO9L, "Contec Micro9-Lite")
101         /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
102         .boot_params    = EP93XX_SDCE3_PHYS_BASE_SYNC + 0x100,
103         .map_io         = ep93xx_map_io,
104         .init_irq       = ep93xx_init_irq,
105         .timer          = &ep93xx_timer,
106         .init_machine   = micro9_init_machine,
107 MACHINE_END
108 #endif
109
110 #ifdef CONFIG_MACH_MICRO9S
111 MACHINE_START(MICRO9S, "Contec Micro9-Slim")
112         /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
113         .boot_params    = EP93XX_SDCE3_PHYS_BASE_ASYNC + 0x100,
114         .map_io         = ep93xx_map_io,
115         .init_irq       = ep93xx_init_irq,
116         .timer          = &ep93xx_timer,
117         .init_machine   = micro9_init_machine,
118 MACHINE_END
119 #endif