Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
[linux-2.6] / arch / arm / mach-orion5x / wnr854t-setup.c
1 /*
2  * arch/arm/mach-orion5x/wnr854t-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 wnr854t_mpp_modes[] __initdata = {
26         {  0, MPP_GPIO },               /* Power LED green (0=on) */
27         {  1, MPP_GPIO },               /* Reset Button (0=off) */
28         {  2, MPP_GPIO },               /* Power LED blink (0=off) */
29         {  3, MPP_GPIO },               /* WAN Status LED amber (0=off) */
30         {  4, MPP_GPIO },               /* PCI int */
31         {  5, MPP_GPIO },               /* ??? */
32         {  6, MPP_GPIO },               /* ??? */
33         {  7, MPP_GPIO },               /* ??? */
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 WNR854T_NOR_BOOT_BASE   0xf4000000
53 #define WNR854T_NOR_BOOT_SIZE   SZ_8M
54
55 static struct mtd_partition wnr854t_nor_flash_partitions[] = {
56         {
57                 .name           = "kernel",
58                 .offset         = 0x00000000,
59                 .size           = 0x00100000,
60         }, {
61                 .name           = "rootfs",
62                 .offset         = 0x00100000,
63                 .size           = 0x00660000,
64         }, {
65                 .name           = "uboot",
66                 .offset         = 0x00760000,
67                 .size           = 0x00040000,
68         },
69 };
70
71 static struct physmap_flash_data wnr854t_nor_flash_data = {
72         .width          = 2,
73         .parts          = wnr854t_nor_flash_partitions,
74         .nr_parts       = ARRAY_SIZE(wnr854t_nor_flash_partitions),
75 };
76
77 static struct resource wnr854t_nor_flash_resource = {
78         .flags          = IORESOURCE_MEM,
79         .start          = WNR854T_NOR_BOOT_BASE,
80         .end            = WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
81 };
82
83 static struct platform_device wnr854t_nor_flash = {
84         .name                   = "physmap-flash",
85         .id                     = 0,
86         .dev            = {
87                 .platform_data  = &wnr854t_nor_flash_data,
88         },
89         .num_resources          = 1,
90         .resource               = &wnr854t_nor_flash_resource,
91 };
92
93 static struct mv643xx_eth_platform_data wnr854t_eth_data = {
94         .phy_addr       = -1,
95 };
96
97 static void __init wnr854t_init(void)
98 {
99         /*
100          * Setup basic Orion functions. Need to be called early.
101          */
102         orion5x_init();
103
104         orion5x_mpp_conf(wnr854t_mpp_modes);
105
106         /*
107          * Configure peripherals.
108          */
109         orion5x_eth_init(&wnr854t_eth_data);
110         orion5x_uart0_init();
111
112         orion5x_setup_dev_boot_win(WNR854T_NOR_BOOT_BASE,
113                                    WNR854T_NOR_BOOT_SIZE);
114         platform_device_register(&wnr854t_nor_flash);
115 }
116
117 static int __init wnr854t_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
118 {
119         int irq;
120
121         /*
122          * Check for devices with hard-wired IRQs.
123          */
124         irq = orion5x_pci_map_irq(dev, slot, pin);
125         if (irq != -1)
126                 return irq;
127
128         /*
129          * Mini-PCI slot.
130          */
131         if (slot == 7)
132                 return gpio_to_irq(4);
133
134         return -1;
135 }
136
137 static struct hw_pci wnr854t_pci __initdata = {
138         .nr_controllers = 2,
139         .swizzle        = pci_std_swizzle,
140         .setup          = orion5x_pci_sys_setup,
141         .scan           = orion5x_pci_sys_scan_bus,
142         .map_irq        = wnr854t_pci_map_irq,
143 };
144
145 static int __init wnr854t_pci_init(void)
146 {
147         if (machine_is_wnr854t())
148                 pci_common_init(&wnr854t_pci);
149
150         return 0;
151 }
152 subsys_initcall(wnr854t_pci_init);
153
154 MACHINE_START(WNR854T, "Netgear WNR854T")
155         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
156         .phys_io        = ORION5X_REGS_PHYS_BASE,
157         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
158         .boot_params    = 0x00000100,
159         .init_machine   = wnr854t_init,
160         .map_io         = orion5x_map_io,
161         .init_irq       = orion5x_init_irq,
162         .timer          = &orion5x_timer,
163         .fixup          = tag_fixup_mem32,
164 MACHINE_END