Merge branch 'fix/soundcore' into for-linus
[pandora-kernel.git] / arch / sh / boards / board-urquell.c
1 /*
2  * Renesas Technology Corp. SH7786 Urquell Support.
3  *
4  * Copyright (C) 2008  Kuninori Morimoto <morimoto.kuninori@renesas.com>
5  * Copyright (C) 2009  Paul Mundt
6  *
7  * Based on board-sh7785lcr.c
8  * Copyright (C) 2008  Yoshihiro Shimoda
9  *
10  * This file is subject to the terms and conditions of the GNU General Public
11  * License.  See the file "COPYING" in the main directory of this archive
12  * for more details.
13  */
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16 #include <linux/fb.h>
17 #include <linux/smc91x.h>
18 #include <linux/mtd/physmap.h>
19 #include <linux/delay.h>
20 #include <linux/gpio.h>
21 #include <linux/irq.h>
22 #include <mach/urquell.h>
23 #include <cpu/sh7786.h>
24 #include <asm/heartbeat.h>
25 #include <asm/sizes.h>
26
27 /*
28  * bit  1234 5678
29  *----------------------------
30  * SW1  0101 0010  -> Pck 33MHz version
31  *     (1101 0010)    Pck 66MHz version
32  * SW2  0x1x xxxx  -> little endian
33  *                    29bit mode
34  * SW47 0001 1000  -> CS0 : on-board flash
35  *                    CS1 : SRAM, registers, LAN, PCMCIA
36  *                    38400 bps for SCIF1
37  *
38  * Address
39  * 0x00000000 - 0x04000000  (CS0)     Nor Flash
40  * 0x04000000 - 0x04200000  (CS1)     SRAM
41  * 0x05000000 - 0x05800000  (CS1)     on board register
42  * 0x05800000 - 0x06000000  (CS1)     LAN91C111
43  * 0x06000000 - 0x06400000  (CS1)     PCMCIA
44  * 0x08000000 - 0x10000000  (CS2-CS3) DDR3
45  * 0x10000000 - 0x14000000  (CS4)     PCIe
46  * 0x14000000 - 0x14800000  (CS5)     Core0 LRAM/URAM
47  * 0x14800000 - 0x15000000  (CS5)     Core1 LRAM/URAM
48  * 0x18000000 - 0x1C000000  (CS6)     ATA/NAND-Flash
49  * 0x1C000000 -             (CS7)     SH7786 Control register
50  */
51
52 /* HeartBeat */
53 static struct resource heartbeat_resources[] = {
54         [0] = {
55                 .start  = BOARDREG(SLEDR),
56                 .end    = BOARDREG(SLEDR),
57                 .flags  = IORESOURCE_MEM,
58         },
59 };
60
61 static struct heartbeat_data heartbeat_data = {
62         .regsize = 16,
63 };
64
65 static struct platform_device heartbeat_device = {
66         .name           = "heartbeat",
67         .id             = -1,
68         .dev    = {
69                 .platform_data  = &heartbeat_data,
70         },
71         .num_resources  = ARRAY_SIZE(heartbeat_resources),
72         .resource       = heartbeat_resources,
73 };
74
75 /* LAN91C111 */
76 static struct smc91x_platdata smc91x_info = {
77         .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
78 };
79
80 static struct resource smc91x_eth_resources[] = {
81         [0] = {
82                 .name   = "SMC91C111" ,
83                 .start  = 0x05800300,
84                 .end    = 0x0580030f,
85                 .flags  = IORESOURCE_MEM,
86         },
87         [1] = {
88                 .start  = 11,
89                 .flags  = IORESOURCE_IRQ,
90         },
91 };
92
93 static struct platform_device smc91x_eth_device = {
94         .name           = "smc91x",
95         .num_resources  = ARRAY_SIZE(smc91x_eth_resources),
96         .resource       = smc91x_eth_resources,
97         .dev    = {
98                 .platform_data  = &smc91x_info,
99         },
100 };
101
102 /* Nor Flash */
103 static struct mtd_partition nor_flash_partitions[] = {
104         {
105                 .name           = "loader",
106                 .offset         = 0x00000000,
107                 .size           = SZ_512K,
108                 .mask_flags     = MTD_WRITEABLE,        /* Read-only */
109         },
110         {
111                 .name           = "bootenv",
112                 .offset         = MTDPART_OFS_APPEND,
113                 .size           = SZ_512K,
114                 .mask_flags     = MTD_WRITEABLE,        /* Read-only */
115         },
116         {
117                 .name           = "kernel",
118                 .offset         = MTDPART_OFS_APPEND,
119                 .size           = SZ_4M,
120         },
121         {
122                 .name           = "data",
123                 .offset         = MTDPART_OFS_APPEND,
124                 .size           = MTDPART_SIZ_FULL,
125         },
126 };
127
128 static struct physmap_flash_data nor_flash_data = {
129         .width          = 2,
130         .parts          = nor_flash_partitions,
131         .nr_parts       = ARRAY_SIZE(nor_flash_partitions),
132 };
133
134 static struct resource nor_flash_resources[] = {
135         [0] = {
136                 .start  = NOR_FLASH_ADDR,
137                 .end    = NOR_FLASH_ADDR + NOR_FLASH_SIZE - 1,
138                 .flags  = IORESOURCE_MEM,
139         }
140 };
141
142 static struct platform_device nor_flash_device = {
143         .name           = "physmap-flash",
144         .dev            = {
145                 .platform_data  = &nor_flash_data,
146         },
147         .num_resources  = ARRAY_SIZE(nor_flash_resources),
148         .resource       = nor_flash_resources,
149 };
150
151 static struct platform_device *urquell_devices[] __initdata = {
152         &heartbeat_device,
153         &smc91x_eth_device,
154         &nor_flash_device,
155 };
156
157 static int __init urquell_devices_setup(void)
158 {
159         /* USB */
160         gpio_request(GPIO_FN_USB_OVC0,  NULL);
161         gpio_request(GPIO_FN_USB_PENC0, NULL);
162
163         /* enable LAN */
164         __raw_writew(__raw_readw(UBOARDREG(IRL2MSKR)) & ~0x00000001,
165                   UBOARDREG(IRL2MSKR));
166
167         return platform_add_devices(urquell_devices,
168                                     ARRAY_SIZE(urquell_devices));
169 }
170 device_initcall(urquell_devices_setup);
171
172 static void urquell_power_off(void)
173 {
174         __raw_writew(0xa5a5, UBOARDREG(SRSTR));
175 }
176
177 static void __init urquell_init_irq(void)
178 {
179         plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK);
180 }
181
182 static int urquell_mode_pins(void)
183 {
184         return __raw_readw(UBOARDREG(MDSWMR));
185 }
186
187 /* Initialize the board */
188 static void __init urquell_setup(char **cmdline_p)
189 {
190         printk(KERN_INFO "Renesas Technology Corp. Urquell support.\n");
191
192         pm_power_off = urquell_power_off;
193 }
194
195 /*
196  * The Machine Vector
197  */
198 static struct sh_machine_vector mv_urquell __initmv = {
199         .mv_name        = "Urquell",
200         .mv_setup       = urquell_setup,
201         .mv_init_irq    = urquell_init_irq,
202         .mv_mode_pins   = urquell_mode_pins,
203 };