2 * linux/arch/arm/mach-ep93xx/micro9.c
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>
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.
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/platform_device.h>
19 #include <mach/hardware.h>
21 #include <asm/hardware/vic.h>
22 #include <asm/mach-types.h>
23 #include <asm/mach/arch.h>
27 /*************************************************************************
30 * Micro9-High has up to 64MB of 32-bit flash on CS1
31 * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
32 * Micro9-Lite uses a separate MTD map driver for flash support
33 * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
34 *************************************************************************/
35 static unsigned int __init
micro9_detect_bootwidth(void)
39 /* Detect the bus width of the external flash memory */
40 v
= __raw_readl(EP93XX_SYSCON_SYSCFG
);
41 if (v
& EP93XX_SYSCON_SYSCFG_LCSN7
)
42 return 4; /* 32-bit */
44 return 2; /* 16-bit */
47 static void __init
micro9_register_flash(void)
51 if (machine_is_micro9())
53 else if (machine_is_micro9m() || machine_is_micro9s())
54 width
= micro9_detect_bootwidth();
59 ep93xx_register_flash(width
, EP93XX_CS1_PHYS_BASE
, SZ_64M
);
63 /*************************************************************************
65 *************************************************************************/
66 static struct ep93xx_eth_data __initdata micro9_eth_data
= {
71 static void __init
micro9_init_machine(void)
73 ep93xx_init_devices();
74 ep93xx_register_eth(µ9_eth_data
, 1);
75 micro9_register_flash();
79 #ifdef CONFIG_MACH_MICRO9H
80 MACHINE_START(MICRO9
, "Contec Micro9-High")
81 /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
83 .map_io
= ep93xx_map_io
,
84 .init_irq
= ep93xx_init_irq
,
85 .handle_irq
= vic_handle_irq
,
86 .init_time
= ep93xx_timer_init
,
87 .init_machine
= micro9_init_machine
,
88 .init_late
= ep93xx_init_late
,
89 .restart
= ep93xx_restart
,
93 #ifdef CONFIG_MACH_MICRO9M
94 MACHINE_START(MICRO9M
, "Contec Micro9-Mid")
95 /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
97 .map_io
= ep93xx_map_io
,
98 .init_irq
= ep93xx_init_irq
,
99 .handle_irq
= vic_handle_irq
,
100 .init_time
= ep93xx_timer_init
,
101 .init_machine
= micro9_init_machine
,
102 .init_late
= ep93xx_init_late
,
103 .restart
= ep93xx_restart
,
107 #ifdef CONFIG_MACH_MICRO9L
108 MACHINE_START(MICRO9L
, "Contec Micro9-Lite")
109 /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
110 .atag_offset
= 0x100,
111 .map_io
= ep93xx_map_io
,
112 .init_irq
= ep93xx_init_irq
,
113 .handle_irq
= vic_handle_irq
,
114 .init_time
= ep93xx_timer_init
,
115 .init_machine
= micro9_init_machine
,
116 .init_late
= ep93xx_init_late
,
117 .restart
= ep93xx_restart
,
121 #ifdef CONFIG_MACH_MICRO9S
122 MACHINE_START(MICRO9S
, "Contec Micro9-Slim")
123 /* Maintainer: Hubert Feurstein <hubert.feurstein@contec.at> */
124 .atag_offset
= 0x100,
125 .map_io
= ep93xx_map_io
,
126 .init_irq
= ep93xx_init_irq
,
127 .handle_irq
= vic_handle_irq
,
128 .init_time
= ep93xx_timer_init
,
129 .init_machine
= micro9_init_machine
,
130 .init_late
= ep93xx_init_late
,
131 .restart
= ep93xx_restart
,