Root/target/linux/adm5120/files/arch/mips/adm5120/zyxel/p-33x.c

1/*
2 * ZyXEL Prestige P-33x boards support
3 *
4 * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 *
10 */
11
12#include "p-33x.h"
13
14#include <prom/zynos.h>
15
16#define P33X_GPIO_FLASH_A20 ADM5120_GPIO_PIN5
17#define P33X_GPIO_DEV_MASK (1 << P33X_GPIO_FLASH_A20)
18
19#ifdef CONFIG_MTD_PARTITIONS
20static struct mtd_partition p33x_partitions[] = {
21    {
22        .name = "bootbase",
23        .offset = 0,
24        .size = 16*1024,
25        .mask_flags = MTD_WRITEABLE,
26    } , {
27        .name = "rom",
28        .offset = MTDPART_OFS_APPEND,
29        .size = 16*1024,
30        .mask_flags = MTD_WRITEABLE,
31    } , {
32        .name = "bootext1",
33        .offset = MTDPART_OFS_APPEND,
34        .size = 32*1024,
35    } , {
36        .name = "bootext2",
37        .offset = MTDPART_OFS_APPEND,
38        .size = 64*1024,
39    } , {
40        .name = "trx",
41        .offset = MTDPART_OFS_APPEND,
42        .size = MTDPART_SIZ_FULL,
43    } , {
44        .name = "firmware",
45        .offset = 32*1024,
46        .size = MTDPART_SIZ_FULL,
47    }
48};
49#endif /* CONFIG_MTD_PARTITIONS */
50
51static struct adm5120_pci_irq p33x_pci_irqs[] __initdata = {
52    PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
53};
54
55static u8 p33x_vlans[6] __initdata = {
56    /* FIXME: untested */
57    0x50, 0x48, 0x44, 0x42, 0x41, 0x00
58};
59
60static void switch_bank_gpio5(unsigned bank)
61{
62    switch (bank) {
63    case 0:
64        gpio_set_value(P33X_GPIO_FLASH_A20, 0);
65        break;
66    case 1:
67        gpio_set_value(P33X_GPIO_FLASH_A20, 1);
68        break;
69    }
70}
71
72void __init p33x_generic_setup(void)
73{
74    /* setup data for flash0 device */
75    gpio_request(P33X_GPIO_FLASH_A20, NULL); /* for flash A20 line */
76    gpio_direction_output(P33X_GPIO_FLASH_A20, 0);
77    adm5120_flash0_data.switch_bank = switch_bank_gpio5;
78#ifdef CONFIG_MTD_PARTITIONS
79    adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
80    adm5120_flash0_data.parts = p33x_partitions;
81#endif /* CONFIG_MTD_PARTITIONS */
82    adm5120_add_device_flash(0);
83
84    adm5120_add_device_uart(0);
85    adm5120_add_device_uart(1);
86
87    adm5120_add_device_gpio(P33X_GPIO_DEV_MASK);
88
89    adm5120_setup_eth_macs(bootbase_info.mac);
90    adm5120_add_device_switch(6, p33x_vlans);
91
92    adm5120_pci_set_irq_map(ARRAY_SIZE(p33x_pci_irqs), p33x_pci_irqs);
93}
94

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