Merge branch 'genirq' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux...
[linux-2.6] / 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 <asm/mach-types.h>
18 #include <asm/gpio.h>
19 #include <asm/mach/arch.h>
20 #include <asm/mach/pci.h>
21 #include <asm/arch/orion5x.h>
22 #include "common.h"
23 #include "mpp.h"
24
25 static struct orion5x_mpp_mode wrt350n_v2_mpp_modes[] __initdata = {
26         {  0, MPP_GPIO },               /* Power LED green (0=on) */
27         {  1, MPP_GPIO },               /* Security LED (0=on) */
28         {  2, MPP_GPIO },               /* Internal Button (0=on) */
29         {  3, MPP_GPIO },               /* Reset Button (0=on) */
30         {  4, MPP_GPIO },               /* PCI int */
31         {  5, MPP_GPIO },               /* Power LED orange (0=on) */
32         {  6, MPP_GPIO },               /* USB LED (0=on) */
33         {  7, MPP_GPIO },               /* Wireless LED (0=on) */
34         {  8, MPP_UNUSED },             /* ??? */
35         {  9, MPP_GIGE },               /* GE_RXERR */
36         { 10, MPP_UNUSED },             /* ??? */
37         { 11, MPP_UNUSED },             /* ??? */
38         { 12, MPP_GIGE },               /* GE_TXD[4] */
39         { 13, MPP_GIGE },               /* GE_TXD[5] */
40         { 14, MPP_GIGE },               /* GE_TXD[6] */
41         { 15, MPP_GIGE },               /* GE_TXD[7] */
42         { 16, MPP_GIGE },               /* GE_RXD[4] */
43         { 17, MPP_GIGE },               /* GE_RXD[5] */
44         { 18, MPP_GIGE },               /* GE_RXD[6] */
45         { 19, MPP_GIGE },               /* GE_RXD[7] */
46         { -1 },
47 };
48
49 /*
50  * 8M NOR flash Device bus boot chip select
51  */
52 #define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
53 #define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
54
55 static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
56         {
57                 .name           = "kernel",
58                 .offset         = 0x00000000,
59                 .size           = 0x00760000,
60         }, {
61                 .name           = "rootfs",
62                 .offset         = 0x001a0000,
63                 .size           = 0x005c0000,
64         }, {
65                 .name           = "lang",
66                 .offset         = 0x00760000,
67                 .size           = 0x00040000,
68         }, {
69                 .name           = "nvram",
70                 .offset         = 0x007a0000,
71                 .size           = 0x00020000,
72         }, {
73                 .name           = "u-boot",
74                 .offset         = 0x007c0000,
75                 .size           = 0x00040000,
76         },
77 };
78
79 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
80         .width          = 1,
81         .parts          = wrt350n_v2_nor_flash_partitions,
82         .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
83 };
84
85 static struct resource wrt350n_v2_nor_flash_resource = {
86         .flags          = IORESOURCE_MEM,
87         .start          = WRT350N_V2_NOR_BOOT_BASE,
88         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
89 };
90
91 static struct platform_device wrt350n_v2_nor_flash = {
92         .name                   = "physmap-flash",
93         .id                     = 0,
94         .dev            = {
95                 .platform_data  = &wrt350n_v2_nor_flash_data,
96         },
97         .num_resources          = 1,
98         .resource               = &wrt350n_v2_nor_flash_resource,
99 };
100
101 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
102         .phy_addr       = -1,
103 };
104
105 static void __init wrt350n_v2_init(void)
106 {
107         /*
108          * Setup basic Orion functions. Need to be called early.
109          */
110         orion5x_init();
111
112         orion5x_mpp_conf(wrt350n_v2_mpp_modes);
113
114         /*
115          * Configure peripherals.
116          */
117         orion5x_ehci0_init();
118         orion5x_eth_init(&wrt350n_v2_eth_data);
119         orion5x_uart0_init();
120
121         orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
122                                    WRT350N_V2_NOR_BOOT_SIZE);
123         platform_device_register(&wrt350n_v2_nor_flash);
124 }
125
126 static int __init wrt350n_v2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
127 {
128         int irq;
129
130         /*
131          * Check for devices with hard-wired IRQs.
132          */
133         irq = orion5x_pci_map_irq(dev, slot, pin);
134         if (irq != -1)
135                 return irq;
136
137         /*
138          * Mini-PCI slot.
139          */
140         if (slot == 7)
141                 return gpio_to_irq(4);
142
143         return -1;
144 }
145
146 static struct hw_pci wrt350n_v2_pci __initdata = {
147         .nr_controllers = 2,
148         .swizzle        = pci_std_swizzle,
149         .setup          = orion5x_pci_sys_setup,
150         .scan           = orion5x_pci_sys_scan_bus,
151         .map_irq        = wrt350n_v2_pci_map_irq,
152 };
153
154 static int __init wrt350n_v2_pci_init(void)
155 {
156         if (machine_is_wrt350n_v2())
157                 pci_common_init(&wrt350n_v2_pci);
158
159         return 0;
160 }
161 subsys_initcall(wrt350n_v2_pci_init);
162
163 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
164         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
165         .phys_io        = ORION5X_REGS_PHYS_BASE,
166         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
167         .boot_params    = 0x00000100,
168         .init_machine   = wrt350n_v2_init,
169         .map_io         = orion5x_map_io,
170         .init_irq       = orion5x_init_irq,
171         .timer          = &orion5x_timer,
172         .fixup          = tag_fixup_mem32,
173 MACHINE_END