x86/PCI: truncate _CRS windows with _LEN > _MAX - _MIN + 1
[linux-2.6.git] / arch / arm / mach-orion5x / wrt350n-v2-setup.c
1 /*
2  * arch/arm/mach-orion5x/wrt350n-v2-setup.c
3  *
4  * This file is licensed under the terms of the GNU General Public
5  * License version 2.  This program is licensed "as is" without any
6  * warranty of any kind, whether express or implied.
7  */
8
9 #include <linux/kernel.h>
10 #include <linux/init.h>
11 #include <linux/platform_device.h>
12 #include <linux/pci.h>
13 #include <linux/irq.h>
14 #include <linux/delay.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/mv643xx_eth.h>
17 #include <linux/ethtool.h>
18 #include <linux/leds.h>
19 #include <linux/gpio_keys.h>
20 #include <linux/input.h>
21 #include <net/dsa.h>
22 #include <asm/mach-types.h>
23 #include <asm/gpio.h>
24 #include <asm/mach/arch.h>
25 #include <asm/mach/pci.h>
26 #include <mach/orion5x.h>
27 #include "common.h"
28 #include "mpp.h"
29
30 /*
31  * LEDs attached to GPIO
32  */
33 static struct gpio_led wrt350n_v2_led_pins[] = {
34         {
35                 .name           = "wrt350nv2:green:power",
36                 .gpio           = 0,
37                 .active_low     = 1,
38         }, {
39                 .name           = "wrt350nv2:green:security",
40                 .gpio           = 1,
41                 .active_low     = 1,
42         }, {
43                 .name           = "wrt350nv2:orange:power",
44                 .gpio           = 5,
45                 .active_low     = 1,
46         }, {
47                 .name           = "wrt350nv2:green:usb",
48                 .gpio           = 6,
49                 .active_low     = 1,
50         }, {
51                 .name           = "wrt350nv2:green:wireless",
52                 .gpio           = 7,
53                 .active_low     = 1,
54         },
55 };
56
57 static struct gpio_led_platform_data wrt350n_v2_led_data = {
58         .leds           = wrt350n_v2_led_pins,
59         .num_leds       = ARRAY_SIZE(wrt350n_v2_led_pins),
60 };
61
62 static struct platform_device wrt350n_v2_leds = {
63         .name   = "leds-gpio",
64         .id     = -1,
65         .dev    = {
66                 .platform_data  = &wrt350n_v2_led_data,
67         },
68 };
69
70 /*
71  * Buttons attached to GPIO
72  */
73 static struct gpio_keys_button wrt350n_v2_buttons[] = {
74         {
75                 .code           = KEY_RESTART,
76                 .gpio           = 3,
77                 .desc           = "Reset Button",
78                 .active_low     = 1,
79         }, {
80                 .code           = KEY_WLAN,
81                 .gpio           = 2,
82                 .desc           = "WPS Button",
83                 .active_low     = 1,
84         },
85 };
86
87 static struct gpio_keys_platform_data wrt350n_v2_button_data = {
88         .buttons        = wrt350n_v2_buttons,
89         .nbuttons       = ARRAY_SIZE(wrt350n_v2_buttons),
90 };
91
92 static struct platform_device wrt350n_v2_button_device = {
93         .name           = "gpio-keys",
94         .id             = -1,
95         .num_resources  = 0,
96         .dev            = {
97                 .platform_data  = &wrt350n_v2_button_data,
98         },
99 };
100
101 /*
102  * General setup
103  */
104 static struct orion5x_mpp_mode wrt350n_v2_mpp_modes[] __initdata = {
105         {  0, MPP_GPIO },               /* Power LED green (0=on) */
106         {  1, MPP_GPIO },               /* Security LED (0=on) */
107         {  2, MPP_GPIO },               /* Internal Button (0=on) */
108         {  3, MPP_GPIO },               /* Reset Button (0=on) */
109         {  4, MPP_GPIO },               /* PCI int */
110         {  5, MPP_GPIO },               /* Power LED orange (0=on) */
111         {  6, MPP_GPIO },               /* USB LED (0=on) */
112         {  7, MPP_GPIO },               /* Wireless LED (0=on) */
113         {  8, MPP_UNUSED },             /* ??? */
114         {  9, MPP_GIGE },               /* GE_RXERR */
115         { 10, MPP_UNUSED },             /* ??? */
116         { 11, MPP_UNUSED },             /* ??? */
117         { 12, MPP_GIGE },               /* GE_TXD[4] */
118         { 13, MPP_GIGE },               /* GE_TXD[5] */
119         { 14, MPP_GIGE },               /* GE_TXD[6] */
120         { 15, MPP_GIGE },               /* GE_TXD[7] */
121         { 16, MPP_GIGE },               /* GE_RXD[4] */
122         { 17, MPP_GIGE },               /* GE_RXD[5] */
123         { 18, MPP_GIGE },               /* GE_RXD[6] */
124         { 19, MPP_GIGE },               /* GE_RXD[7] */
125         { -1 },
126 };
127
128 /*
129  * 8M NOR flash Device bus boot chip select
130  */
131 #define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
132 #define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
133
134 static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
135         {
136                 .name           = "kernel",
137                 .offset         = 0x00000000,
138                 .size           = 0x00760000,
139         }, {
140                 .name           = "rootfs",
141                 .offset         = 0x001a0000,
142                 .size           = 0x005c0000,
143         }, {
144                 .name           = "lang",
145                 .offset         = 0x00760000,
146                 .size           = 0x00040000,
147         }, {
148                 .name           = "nvram",
149                 .offset         = 0x007a0000,
150                 .size           = 0x00020000,
151         }, {
152                 .name           = "u-boot",
153                 .offset         = 0x007c0000,
154                 .size           = 0x00040000,
155         },
156 };
157
158 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
159         .width          = 1,
160         .parts          = wrt350n_v2_nor_flash_partitions,
161         .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
162 };
163
164 static struct resource wrt350n_v2_nor_flash_resource = {
165         .flags          = IORESOURCE_MEM,
166         .start          = WRT350N_V2_NOR_BOOT_BASE,
167         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
168 };
169
170 static struct platform_device wrt350n_v2_nor_flash = {
171         .name                   = "physmap-flash",
172         .id                     = 0,
173         .dev            = {
174                 .platform_data  = &wrt350n_v2_nor_flash_data,
175         },
176         .num_resources          = 1,
177         .resource               = &wrt350n_v2_nor_flash_resource,
178 };
179
180 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
181         .phy_addr       = MV643XX_ETH_PHY_NONE,
182         .speed          = SPEED_1000,
183         .duplex         = DUPLEX_FULL,
184 };
185
186 static struct dsa_chip_data wrt350n_v2_switch_chip_data = {
187         .port_names[0]  = "lan2",
188         .port_names[1]  = "lan1",
189         .port_names[2]  = "wan",
190         .port_names[3]  = "cpu",
191         .port_names[5]  = "lan3",
192         .port_names[7]  = "lan4",
193 };
194
195 static struct dsa_platform_data wrt350n_v2_switch_plat_data = {
196         .nr_chips       = 1,
197         .chip           = &wrt350n_v2_switch_chip_data,
198 };
199
200 static void __init wrt350n_v2_init(void)
201 {
202         /*
203          * Setup basic Orion functions. Need to be called early.
204          */
205         orion5x_init();
206
207         orion5x_mpp_conf(wrt350n_v2_mpp_modes);
208
209         /*
210          * Configure peripherals.
211          */
212         orion5x_ehci0_init();
213         orion5x_eth_init(&wrt350n_v2_eth_data);
214         orion5x_eth_switch_init(&wrt350n_v2_switch_plat_data, NO_IRQ);
215         orion5x_uart0_init();
216
217         orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
218                                    WRT350N_V2_NOR_BOOT_SIZE);
219         platform_device_register(&wrt350n_v2_nor_flash);
220         platform_device_register(&wrt350n_v2_leds);
221         platform_device_register(&wrt350n_v2_button_device);
222 }
223
224 static int __init wrt350n_v2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
225 {
226         int irq;
227
228         /*
229          * Check for devices with hard-wired IRQs.
230          */
231         irq = orion5x_pci_map_irq(dev, slot, pin);
232         if (irq != -1)
233                 return irq;
234
235         /*
236          * Mini-PCI slot.
237          */
238         if (slot == 7)
239                 return gpio_to_irq(4);
240
241         return -1;
242 }
243
244 static struct hw_pci wrt350n_v2_pci __initdata = {
245         .nr_controllers = 2,
246         .swizzle        = pci_std_swizzle,
247         .setup          = orion5x_pci_sys_setup,
248         .scan           = orion5x_pci_sys_scan_bus,
249         .map_irq        = wrt350n_v2_pci_map_irq,
250 };
251
252 static int __init wrt350n_v2_pci_init(void)
253 {
254         if (machine_is_wrt350n_v2())
255                 pci_common_init(&wrt350n_v2_pci);
256
257         return 0;
258 }
259 subsys_initcall(wrt350n_v2_pci_init);
260
261 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
262         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
263         .phys_io        = ORION5X_REGS_PHYS_BASE,
264         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
265         .boot_params    = 0x00000100,
266         .init_machine   = wrt350n_v2_init,
267         .map_io         = orion5x_map_io,
268         .init_irq       = orion5x_init_irq,
269         .timer          = &orion5x_timer,
270         .fixup          = tag_fixup_mem32,
271 MACHINE_END