2 * linux/arch/arm/mach-sa1100/nanoengine.c
4 * Bright Star Engineering's nanoEngine board init code.
6 * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
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.
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/mtd/mtd.h>
17 #include <linux/mtd/partitions.h>
18 #include <linux/root_dev.h>
20 #include <asm/mach-types.h>
21 #include <asm/setup.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/flash.h>
26 #include <asm/mach/map.h>
27 #include <asm/mach/serial_sa1100.h>
29 #include <mach/hardware.h>
30 #include <mach/nanoengine.h>
35 static struct mtd_partition nanoengine_partitions
[] = {
37 .name
= "nanoEngine boot firmware and parameter table",
38 .size
= 0x00010000, /* 32K */
40 .mask_flags
= MTD_WRITEABLE
,
42 .name
= "kernel/initrd reserved",
45 .mask_flags
= MTD_WRITEABLE
,
47 .name
= "experimental filesystem allocation",
50 .mask_flags
= MTD_WRITEABLE
,
54 static struct flash_platform_data nanoengine_flash_data
= {
55 .map_name
= "jedec_probe",
56 .parts
= nanoengine_partitions
,
57 .nr_parts
= ARRAY_SIZE(nanoengine_partitions
),
60 static struct resource nanoengine_flash_resources
[] = {
61 DEFINE_RES_MEM(SA1100_CS0_PHYS
, SZ_32M
),
62 DEFINE_RES_MEM(SA1100_CS1_PHYS
, SZ_32M
),
65 static struct map_desc nanoengine_io_desc
[] __initdata
= {
67 /* System Registers */
68 .virtual = 0xf0000000,
69 .pfn
= __phys_to_pfn(0x10000000),
73 /* Internal PCI Memory Read/Write */
74 .virtual = NANO_PCI_MEM_RW_VIRT
,
75 .pfn
= __phys_to_pfn(NANO_PCI_MEM_RW_PHYS
),
76 .length
= NANO_PCI_MEM_RW_SIZE
,
79 /* Internal PCI Config Space */
80 .virtual = NANO_PCI_CONFIG_SPACE_VIRT
,
81 .pfn
= __phys_to_pfn(NANO_PCI_CONFIG_SPACE_PHYS
),
82 .length
= NANO_PCI_CONFIG_SPACE_SIZE
,
87 static void __init
nanoengine_map_io(void)
90 iotable_init(nanoengine_io_desc
, ARRAY_SIZE(nanoengine_io_desc
));
92 sa1100_register_uart(0, 1);
93 sa1100_register_uart(1, 2);
94 sa1100_register_uart(2, 3);
95 Ser1SDCR0
|= SDCR0_UART
;
96 /* disable IRDA -- UART2 is used as a normal serial port */
101 static void __init
nanoengine_init(void)
103 sa11x0_register_mtd(&nanoengine_flash_data
, nanoengine_flash_resources
,
104 ARRAY_SIZE(nanoengine_flash_resources
));
107 MACHINE_START(NANOENGINE
, "BSE nanoEngine")
108 .atag_offset
= 0x100,
109 .map_io
= nanoengine_map_io
,
110 .init_irq
= sa1100_init_irq
,
111 .timer
= &sa1100_timer
,
112 .init_machine
= nanoengine_init
,
113 .restart
= sa11x0_restart
,