commandline mtd partition parsing is ugly, convert aruba to platform_device
[openwrt.git] / target / linux / aruba-2.6 / files / arch / mips / aruba / setup.c
1 /**************************************************************************
2  *
3  *  BRIEF MODULE DESCRIPTION
4  *     setup routines for IDT EB434 boards
5  *
6  *  Copyright 2004 IDT Inc. (rischelp@idt.com)
7  *         
8  *  This program is free software; you can redistribute  it and/or modify it
9  *  under  the terms of  the GNU General  Public License as published by the
10  *  Free Software Foundation;  either version 2 of the  License, or (at your
11  *  option) any later version.
12  *
13  *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
14  *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
15  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
16  *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
17  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
19  *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20  *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
21  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  *
24  *  You should have received a copy of the  GNU General Public License along
25  *  with this program; if not, write  to the Free Software Foundation, Inc.,
26  *  675 Mass Ave, Cambridge, MA 02139, USA.
27  *
28  *
29  **************************************************************************
30  * May 2004 rkt, neb
31  *
32  * Initial Release
33  *
34  * 
35  *
36  **************************************************************************
37  */
38
39 #include <linux/init.h>
40 #include <linux/module.h>
41 #include <linux/mm.h>
42 #include <linux/sched.h>
43 #include <linux/irq.h>
44 #include <asm/bootinfo.h>
45 #include <asm/io.h>
46 #include <linux/ioport.h>
47 #include <asm/mipsregs.h>
48 #include <asm/pgtable.h>
49 #include <asm/reboot.h>
50 #include <asm/addrspace.h>      /* for KSEG1ADDR() */
51 #include <asm/idt-boards/rc32434/rc32434.h>
52 #include <linux/pm.h>
53 #include <linux/platform_device.h>
54 #include <linux/mtd/partitions.h>
55 #include <linux/mtd/physmap.h>
56
57 extern char *__init prom_getcmdline(void);
58
59 extern void (*board_time_init) (void);
60 extern void aruba_time_init(void);
61 extern void aruba_reset(void);
62
63 #define epldMask ((volatile unsigned char *)0xB900000d)
64
65 static void aruba_machine_restart(char *command)
66 {
67         switch (mips_machtype) {
68                 case MACH_ARUBA_AP70:
69                         *(volatile u32 *)KSEG1ADDR(0x18008000) = 0x80000001;
70                         break;
71                 case MACH_ARUBA_AP65:
72                 case MACH_ARUBA_AP60:
73                 default:
74                         /* Reset*/
75                         *((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0x00080350; // reset everything in sight
76                         udelay(100);
77                         *((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0; // reset everything in sight
78                         udelay(100);
79                         *((volatile u32 *)KSEG1ADDR(0x1c003020)) = 0x3; // cold reset the cpu & system
80                         break;
81         }
82 }
83
84 static void aruba_machine_halt(void)
85 {
86         for (;;) continue;
87 }
88
89 extern char * getenv(char *e);
90
91 extern void unlock_ap60_70_flash(void);
92
93 static struct resource aruba_flash_resource = {
94         .start = 0x1fc00000,
95         .end   = 0x1fffffffULL,
96         .flags = IORESOURCE_MEM,
97 };
98
99 static struct mtd_partition aruba_flash_parts[] = {
100         {
101                 .name = "kernel",
102                 .offset = 0x80000,
103                 .size = 0x370000,
104         },
105         {
106                 .name = "rootfs",
107                 .offset = 0x140000,
108                 .size = 0x2B0000,
109         },
110         {
111                 .name = "NVRAM",
112                 .offset = 0x3f8000,
113                 .size = 0x2000,
114         }
115 };
116
117 static struct physmap_flash_data aruba_flash_data = {
118         .width          = 1,
119         .parts          = aruba_flash_parts,
120         .nr_parts       = ARRAY_SIZE(aruba_flash_parts),
121 };
122
123 static struct platform_device aruba_flash_device = {
124         .name           = "physmap-flash",
125         .id             = 0,
126         .dev = {
127                         .platform_data = &aruba_flash_data,
128                 },
129         .num_resources  = 1,
130         .resource       = &aruba_flash_resource,
131 };
132
133 static int aruba_setup_flash(void)
134 {
135         platform_device_register(&aruba_flash_device);
136
137         return 0;
138 };
139
140 arch_initcall (aruba_setup_flash);
141
142 void __init plat_mem_setup(void)
143 {
144         board_time_init = aruba_time_init;
145
146         _machine_restart = aruba_machine_restart;
147         _machine_halt = aruba_machine_halt;
148         pm_power_off = aruba_machine_halt;
149
150         set_io_port_base(KSEG1);
151
152         /* Enable PCI interrupts in EPLD Mask register */
153         *epldMask = 0x0;
154         *(epldMask + 1) = 0x0;
155
156         write_c0_wired(0);
157         unlock_ap60_70_flash();
158
159         printk("BOARD - %s\n",getenv("boardname"));
160 }
161
162 int page_is_ram(unsigned long pagenr)
163 {
164         return 1;
165 }
166
167 const char *get_system_type(void)
168 {
169         switch (mips_machtype) {
170                 case MACH_ARUBA_AP70:
171                         return "Aruba AP70";
172                 case MACH_ARUBA_AP65:
173                         return "Aruba AP65";
174                 case MACH_ARUBA_AP60:
175                         return "Aruba AP60/AP61";
176                 default:
177                         return "Aruba UNKNOWN";
178         }
179 }
180
181 EXPORT_SYMBOL(get_system_type);