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Linux/arch/mips/emma/markeins/platform.c

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  1 /*
  2  *  Copyright(C) MontaVista Software Inc, 2006
  3  *
  4  *  Author: dmitry pervushin <dpervushin@ru.mvista.com>
  5  *
  6  *  This program is free software; you can redistribute it and/or modify
  7  *  it under the terms of the GNU General Public License as published by
  8  *  the Free Software Foundation; either version 2 of the License, or
  9  *  (at your option) any later version.
 10  *
 11  *  This program is distributed in the hope that it will be useful,
 12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *  GNU General Public License for more details.
 15  *
 16  *  You should have received a copy of the GNU General Public License
 17  *  along with this program; if not, write to the Free Software
 18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 19  */
 20 #include <linux/init.h>
 21 #include <linux/kernel.h>
 22 #include <linux/types.h>
 23 #include <linux/ioport.h>
 24 #include <linux/serial_8250.h>
 25 #include <linux/mtd/physmap.h>
 26 
 27 #include <asm/cpu.h>
 28 #include <asm/bootinfo.h>
 29 #include <asm/addrspace.h>
 30 #include <asm/time.h>
 31 #include <asm/bcache.h>
 32 #include <asm/irq.h>
 33 #include <asm/reboot.h>
 34 #include <asm/traps.h>
 35 
 36 #include <asm/emma/emma2rh.h>
 37 
 38 
 39 #define I2C_EMMA2RH "emma2rh-iic" /* must be in sync with IIC driver */
 40 
 41 static struct resource i2c_emma_resources_0[] = {
 42         {
 43                 .name   = NULL,
 44                 .start  = EMMA2RH_IRQ_PIIC0,
 45                 .end    = EMMA2RH_IRQ_PIIC0,
 46                 .flags  = IORESOURCE_IRQ
 47         }, {
 48                 .name   = NULL,
 49                 .start  = EMMA2RH_PIIC0_BASE,
 50                 .end    = EMMA2RH_PIIC0_BASE + 0x1000,
 51                 .flags  = 0
 52         },
 53 };
 54 
 55 struct resource i2c_emma_resources_1[] = {
 56         {
 57                 .name   = NULL,
 58                 .start  = EMMA2RH_IRQ_PIIC1,
 59                 .end    = EMMA2RH_IRQ_PIIC1,
 60                 .flags  = IORESOURCE_IRQ
 61         }, {
 62                 .name   = NULL,
 63                 .start  = EMMA2RH_PIIC1_BASE,
 64                 .end    = EMMA2RH_PIIC1_BASE + 0x1000,
 65                 .flags  = 0
 66         },
 67 };
 68 
 69 struct resource i2c_emma_resources_2[] = {
 70         {
 71                 .name   = NULL,
 72                 .start  = EMMA2RH_IRQ_PIIC2,
 73                 .end    = EMMA2RH_IRQ_PIIC2,
 74                 .flags  = IORESOURCE_IRQ
 75         }, {
 76                 .name   = NULL,
 77                 .start  = EMMA2RH_PIIC2_BASE,
 78                 .end    = EMMA2RH_PIIC2_BASE + 0x1000,
 79                 .flags  = 0
 80         },
 81 };
 82 
 83 struct platform_device i2c_emma_devices[] = {
 84         [0] = {
 85                 .name = I2C_EMMA2RH,
 86                 .id = 0,
 87                 .resource = i2c_emma_resources_0,
 88                 .num_resources = ARRAY_SIZE(i2c_emma_resources_0),
 89         },
 90         [1] = {
 91                 .name = I2C_EMMA2RH,
 92                 .id = 1,
 93                 .resource = i2c_emma_resources_1,
 94                 .num_resources = ARRAY_SIZE(i2c_emma_resources_1),
 95         },
 96         [2] = {
 97                 .name = I2C_EMMA2RH,
 98                 .id = 2,
 99                 .resource = i2c_emma_resources_2,
100                 .num_resources = ARRAY_SIZE(i2c_emma_resources_2),
101         },
102 };
103 
104 #define EMMA2RH_SERIAL_CLOCK 18544000
105 #define EMMA2RH_SERIAL_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
106 
107 static struct  plat_serial8250_port platform_serial_ports[] = {
108         [0] = {
109                 .membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
110                 .mapbase = EMMA2RH_PFUR0_BASE + 3,
111                 .irq = EMMA2RH_IRQ_PFUR0,
112                 .uartclk = EMMA2RH_SERIAL_CLOCK,
113                 .regshift = 4,
114                 .iotype = UPIO_MEM,
115                 .flags = EMMA2RH_SERIAL_FLAGS,
116        }, [1] = {
117                 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
118                 .mapbase = EMMA2RH_PFUR1_BASE + 3,
119                 .irq = EMMA2RH_IRQ_PFUR1,
120                 .uartclk = EMMA2RH_SERIAL_CLOCK,
121                 .regshift = 4,
122                 .iotype = UPIO_MEM,
123                 .flags = EMMA2RH_SERIAL_FLAGS,
124        }, [2] = {
125                 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
126                 .mapbase = EMMA2RH_PFUR2_BASE + 3,
127                 .irq = EMMA2RH_IRQ_PFUR2,
128                 .uartclk = EMMA2RH_SERIAL_CLOCK,
129                 .regshift = 4,
130                 .iotype = UPIO_MEM,
131                 .flags = EMMA2RH_SERIAL_FLAGS,
132        }, [3] = {
133                 .flags = 0,
134        },
135 };
136 
137 static struct  platform_device serial_emma = {
138         .name = "serial8250",
139         .dev = {
140                 .platform_data = &platform_serial_ports,
141         },
142 };
143 
144 static struct mtd_partition markeins_parts[] = {
145         [0] = {
146                 .name = "RootFS",
147                 .offset = 0x00000000,
148                 .size = 0x00c00000,
149         },
150         [1] = {
151                 .name = "boot code area",
152                 .offset = MTDPART_OFS_APPEND,
153                 .size = 0x00100000,
154         },
155         [2] = {
156                 .name = "kernel image",
157                 .offset = MTDPART_OFS_APPEND,
158                 .size = 0x00300000,
159         },
160         [3] = {
161                 .name = "RootFS2",
162                 .offset = MTDPART_OFS_APPEND,
163                 .size = 0x00c00000,
164         },
165         [4] = {
166                 .name = "boot code area2",
167                 .offset = MTDPART_OFS_APPEND,
168                 .size = 0x00100000,
169         },
170         [5] = {
171                 .name = "kernel image2",
172                 .offset = MTDPART_OFS_APPEND,
173                 .size = MTDPART_SIZ_FULL,
174         },
175 };
176 
177 static struct physmap_flash_data markeins_flash_data = {
178         .width          = 2,
179         .nr_parts       = ARRAY_SIZE(markeins_parts),
180         .parts          = markeins_parts
181 };
182 
183 static struct resource markeins_flash_resource = {
184         .start          = 0x1e000000,
185         .end            = 0x02000000,
186         .flags          = IORESOURCE_MEM
187 };
188 
189 static struct platform_device markeins_flash_device = {
190         .name           = "physmap-flash",
191         .id             = 0,
192         .dev            = {
193                 .platform_data  = &markeins_flash_data,
194         },
195         .num_resources  = 1,
196         .resource       = &markeins_flash_resource,
197 };
198 
199 static struct platform_device *devices[] = {
200         i2c_emma_devices,
201         i2c_emma_devices + 1,
202         i2c_emma_devices + 2,
203         &serial_emma,
204         &markeins_flash_device,
205 };
206 
207 static int __init platform_devices_setup(void)
208 {
209         return platform_add_devices(devices, ARRAY_SIZE(devices));
210 }
211 
212 arch_initcall(platform_devices_setup);
213 

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