f323a7b088218e7096eee9eb3d876080f2720f93
[openwrt/svn-archive/archive.git] / target / linux / adm5120 / files / arch / mips / adm5120 / cellvision / cellvision.c
1 /*
2 * Cellvision/SparkLAN boards
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 "cellvision.h"
13
14 #include <prom/admboot.h>
15
16 #define CELLVISION_GPIO_FLASH_A20 ADM5120_GPIO_PIN5
17 #define CELLVISION_GPIO_DEV_MASK (1 << CELLVISION_GPIO_FLASH_A20)
18
19 #define CELLVISION_CONFIG_OFFSET 0x8000
20 #define CELLVISION_CONFIG_SIZE 0x1000
21
22 #ifdef CONFIG_MTD_PARTITIONS
23 static struct mtd_partition cas6xx_partitions[] = {
24 {
25 .name = "admboot",
26 .offset = 0,
27 .size = 32*1024,
28 .mask_flags = MTD_WRITEABLE,
29 } , {
30 .name = "config",
31 .offset = MTDPART_OFS_APPEND,
32 .size = 32*1024,
33 } , {
34 .name = "nvfs1",
35 .offset = MTDPART_OFS_APPEND,
36 .size = 64*1024,
37 } , {
38 .name = "nvfs2",
39 .offset = MTDPART_OFS_APPEND,
40 .size = 64*1024,
41 } , {
42 .name = "firmware",
43 .offset = MTDPART_OFS_APPEND,
44 .size = MTDPART_SIZ_FULL,
45 }
46 };
47
48 static struct mtd_partition cas7xx_partitions[] = {
49 {
50 .name = "admboot",
51 .offset = 0,
52 .size = 32*1024,
53 .mask_flags = MTD_WRITEABLE,
54 } , {
55 .name = "config",
56 .offset = MTDPART_OFS_APPEND,
57 .size = 32*1024,
58 } , {
59 .name = "nvfs",
60 .offset = MTDPART_OFS_APPEND,
61 .size = 128*1024,
62 } , {
63 .name = "firmware",
64 .offset = MTDPART_OFS_APPEND,
65 .size = MTDPART_SIZ_FULL,
66 }
67 };
68 #endif /* CONFIG_MTD_PARTITIONS */
69
70 static void switch_bank_gpio5(unsigned bank)
71 {
72 switch (bank) {
73 case 0:
74 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 0);
75 break;
76 case 1:
77 gpio_set_value(CELLVISION_GPIO_FLASH_A20, 1);
78 break;
79 }
80 }
81
82 static void __init cellvision_flash_setup(void)
83 {
84 /* setup flash A20 line */
85 gpio_request(CELLVISION_GPIO_FLASH_A20, NULL);
86 gpio_direction_output(CELLVISION_GPIO_FLASH_A20, 0);
87
88 adm5120_flash0_data.switch_bank = switch_bank_gpio5;
89 adm5120_add_device_flash(0);
90 }
91
92 void __init cellvision_mac_setup(void)
93 {
94 u8 mac_base[6];
95 int err;
96
97 err = admboot_get_mac_base(CELLVISION_CONFIG_OFFSET,
98 CELLVISION_CONFIG_SIZE, mac_base);
99
100 if ((err) || !is_valid_ether_addr(mac_base))
101 random_ether_addr(mac_base);
102
103 adm5120_setup_eth_macs(mac_base);
104 }
105
106 void __init cas6xx_flash_setup(void)
107 {
108 #ifdef CONFIG_MTD_PARTITIONS
109 adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas6xx_partitions);
110 adm5120_flash0_data.parts = cas6xx_partitions;
111 #endif /* CONFIG_MTD_PARTITIONS */
112
113 cellvision_flash_setup();
114 }
115
116 void __init cas7xx_flash_setup(void)
117 {
118 #ifdef CONFIG_MTD_PARTITIONS
119 adm5120_flash0_data.nr_parts = ARRAY_SIZE(cas7xx_partitions);
120 adm5120_flash0_data.parts = cas7xx_partitions;
121 #endif /* CONFIG_MTD_PARTITIONS */
122
123 cellvision_flash_setup();
124 }
125
126 #if 0
127 void __init cas6xx_setup(void)
128 {
129 cas6xx_flash_setup();
130 adm5120_add_device_uart(0);
131 adm5120_add_device_uart(1);
132 adm5120_add_device_switch(1, NULL);
133 }
134
135 MIPS_MACHINE(MACH_ADM5120_CAS630, "Cellvision CAS-630/630W", cas6xx_setup);
136 MIPS_MACHINE(MACH_ADM5120_CAS670, "Cellvision CAS-670/670W", cas6xx_setup);
137 #endif
138
139 void __init cas7xx_setup(void)
140 {
141 cas7xx_flash_setup();
142 cellvision_mac_setup();
143 adm5120_add_device_uart(0);
144 adm5120_add_device_uart(1);
145 adm5120_add_device_switch(1, NULL);
146 }
147
148 #if 0
149 MIPS_MACHINE(MACH_ADM5120_CAS700, "Cellvision CAS-700/700W", cas7xx_setup);
150 MIPS_MACHINE(MACH_ADM5120_CAS790, "Cellvision CAS-790", cas7xx_setup);
151 MIPS_MACHINE(MACH_ADM5120_CAS861, "Cellvision CAS-861/861W", cas7xx_setup);
152 #endif