Merge git://git.infradead.org/mtd-2.6
[linux-2.6.git] / arch / arm / mach-ixp23xx / espresso.c
1 /*
2  * arch/arm/mach-ixp23xx/espresso.c
3  *
4  * Double Espresso-specific routines
5  *
6  * Author: Lennert Buytenhek <buytenh@wantstofly.org>
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2. This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/spinlock.h>
16 #include <linux/sched.h>
17 #include <linux/interrupt.h>
18 #include <linux/serial.h>
19 #include <linux/tty.h>
20 #include <linux/bitops.h>
21 #include <linux/ioport.h>
22 #include <linux/serial_8250.h>
23 #include <linux/serial_core.h>
24 #include <linux/device.h>
25 #include <linux/mm.h>
26 #include <linux/pci.h>
27 #include <linux/mtd/physmap.h>
28
29 #include <asm/types.h>
30 #include <asm/setup.h>
31 #include <asm/memory.h>
32 #include <mach/hardware.h>
33 #include <asm/mach-types.h>
34 #include <asm/irq.h>
35 #include <asm/system.h>
36 #include <asm/tlbflush.h>
37 #include <asm/pgtable.h>
38
39 #include <asm/mach/map.h>
40 #include <asm/mach/irq.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/pci.h>
43
44 static int __init espresso_pci_init(void)
45 {
46         if (machine_is_espresso())
47                 ixp23xx_pci_slave_init();
48
49         return 0;
50 };
51 subsys_initcall(espresso_pci_init);
52
53 static struct physmap_flash_data espresso_flash_data = {
54         .width          = 2,
55 };
56
57 static struct resource espresso_flash_resource = {
58         .start          = 0x90000000,
59         .end            = 0x91ffffff,
60         .flags          = IORESOURCE_MEM,
61 };
62
63 static struct platform_device espresso_flash = {
64         .name           = "physmap-flash",
65         .id             = 0,
66         .dev            = {
67                 .platform_data  = &espresso_flash_data,
68         },
69         .num_resources  = 1,
70         .resource       = &espresso_flash_resource,
71 };
72
73 static void __init espresso_init(void)
74 {
75         platform_device_register(&espresso_flash);
76
77         /*
78          * Mark flash as writeable.
79          */
80         IXP23XX_EXP_CS0[0] |= IXP23XX_FLASH_WRITABLE;
81         IXP23XX_EXP_CS0[1] |= IXP23XX_FLASH_WRITABLE;
82
83         ixp23xx_sys_init();
84 }
85
86 MACHINE_START(ESPRESSO, "IP Fabrics Double Espresso")
87         /* Maintainer: Lennert Buytenhek */
88         .phys_io        = IXP23XX_PERIPHERAL_PHYS,
89         .io_pg_offst    = ((IXP23XX_PERIPHERAL_VIRT >> 18)) & 0xfffc,
90         .map_io         = ixp23xx_map_io,
91         .init_irq       = ixp23xx_init_irq,
92         .timer          = &ixp23xx_timer,
93         .boot_params    = 0x00000100,
94         .init_machine   = espresso_init,
95 MACHINE_END