[adm5120] experimental gpiodev support (closes #3613)
[openwrt-10.03/.git] / target / linux / adm5120 / files / arch / mips / adm5120 / boards / zyxel.c
1 /*
2  *  $Id$
3  *
4  *  ZyXEL Prestige P-334/P-335 boards
5  *
6  *  Copyright (C) 2007 OpenWrt.org
7  *  Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
8  *
9  *  This program is free software; you can redistribute it and/or modify it
10  *  under the terms of the GNU General Public License version 2 as published
11  *  by the Free Software Foundation.
12  *
13  */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17
18 #include <asm/bootinfo.h>
19 #include <asm/gpio.h>
20
21 #include <adm5120_board.h>
22 #include <adm5120_platform.h>
23 #include <adm5120_irq.h>
24
25 #define P33X_GPIO_DEV_MASK      (1 << ADM5120_GPIO_PIN5)
26
27 static void switch_bank_gpio5(unsigned bank)
28 {
29         switch (bank) {
30         case 0:
31                 gpio_set_value(ADM5120_GPIO_PIN5, 0);
32                 break;
33         case 1:
34                 gpio_set_value(ADM5120_GPIO_PIN5, 1);
35                 break;
36         }
37 }
38
39 static struct adm5120_pci_irq p33x_pci_irqs[] __initdata = {
40         PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
41 };
42
43 static struct mtd_partition p33x_partitions[] = {
44         {
45                 .name   = "bootbase",
46                 .offset = 0,
47                 .size   = 16*1024,
48                 .mask_flags = MTD_WRITEABLE,
49         } , {
50                 .name   = "rom",
51                 .offset = MTDPART_OFS_APPEND,
52                 .size   = 16*1024,
53         } , {
54                 .name   = "bootext",
55                 .offset = MTDPART_OFS_APPEND,
56                 .size   = 96*1024,
57                 .mask_flags = MTD_WRITEABLE,
58         } , {
59                 .name   = "trx",
60                 .offset = MTDPART_OFS_APPEND,
61                 .size   = MTDPART_SIZ_FULL,
62         } , {
63                 .name   = "firmware",
64                 .offset = 32*1024,
65                 .size   = MTDPART_SIZ_FULL,
66         }
67 };
68
69 static struct platform_device *p334_devices[] __initdata = {
70         &adm5120_flash0_device,
71 };
72
73 static struct platform_device *p335_devices[] __initdata = {
74         &adm5120_flash0_device,
75         &adm5120_hcd_device,
76 };
77
78 static void __init p33x_setup(void)
79 {
80         gpio_request(ADM5120_GPIO_PIN5, NULL); /* for flash A20 line */
81         gpio_direction_output(ADM5120_GPIO_PIN5, 0);
82
83         /* setup data for flash0 device */
84         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
85         adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
86         adm5120_flash0_data.parts = p33x_partitions;
87
88         adm5120_gpiodev_resource.start &= ~P33X_GPIO_DEV_MASK;
89         /* TODO: setup mac address */
90 }
91
92 unsigned char p33x_vlans[6] __initdata = {
93         /* FIXME: untested */
94         0x50, 0x48, 0x44, 0x42, 0x41, 0x00
95 };
96
97 ADM5120_BOARD_START(P334WT, "ZyXEL Prestige 334WT")
98         .board_setup    = p33x_setup,
99         .eth_num_ports  = 5,
100         .eth_vlans      = p33x_vlans,
101         .num_devices    = ARRAY_SIZE(p334_devices),
102         .devices        = p334_devices,
103         .pci_nr_irqs    = ARRAY_SIZE(p33x_pci_irqs),
104         .pci_irq_map    = p33x_pci_irqs,
105 ADM5120_BOARD_END
106
107 ADM5120_BOARD_START(P335, "ZyXEL Prestige 335/335WT")
108         .board_setup    = p33x_setup,
109         .eth_num_ports  = 5,
110         .eth_vlans      = p33x_vlans,
111         .num_devices    = ARRAY_SIZE(p335_devices),
112         .devices        = p335_devices,
113         .pci_nr_irqs    = ARRAY_SIZE(p33x_pci_irqs),
114         .pci_irq_map    = p33x_pci_irqs,
115 ADM5120_BOARD_END