Improve Inventel Livebox support
[openwrt/svn-archive/archive.git] / target / linux / brcm63xx / files / arch / mips / bcm63xx / boards / board_livebox.c
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
7 */
8
9 #include <linux/init.h>
10 #include <linux/kernel.h>
11 #include <linux/string.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/mtd/physmap.h>
16 #include <asm/addrspace.h>
17 #include <bcm63xx_board.h>
18 #include <bcm63xx_cpu.h>
19 #include <bcm63xx_regs.h>
20 #include <bcm63xx_io.h>
21 #include <bcm63xx_board.h>
22 #include <bcm63xx_dev_pci.h>
23 #include <bcm63xx_dev_uart.h>
24 #include <bcm63xx_dev_enet.h>
25 #include <bcm63xx_dev_pcmcia.h>
26 #include <bcm63xx_dev_usb_ohci.h>
27 #include <bcm63xx_dev_usb_ehci.h>
28 #include <board_bcm963xx.h>
29
30 #define PFX "board_livebox: "
31
32 static unsigned int mac_addr_used = 0;
33 static struct board_info board;
34
35 /*
36 * known 6348 boards
37 */
38 #ifdef CONFIG_BCM63XX_CPU_6348
39 static struct board_info __initdata board_livebox = {
40 .name = "Livebox",
41 .expected_cpu_id = 0x6348,
42
43 .has_enet0 = 1,
44 .has_enet1 = 1,
45 .has_pci = 1,
46
47 .enet0 = {
48 .has_phy = 1,
49 .use_internal_phy = 1,
50 },
51
52 .enet1 = {
53 .force_speed_100 = 1,
54 .force_duplex_full = 1,
55 },
56
57 .has_ohci0 = 1,
58 .has_pccard = 1,
59 .has_ehci0 = 1,
60 };
61 #endif
62
63 /*
64 * all boards
65 */
66 static const struct board_info __initdata *bcm963xx_boards[] = {
67 #ifdef CONFIG_BCM63XX_CPU_6348
68 &board_livebox
69 #endif
70 };
71
72 /*
73 * early init callback
74 */
75 void __init board_prom_init(void)
76 {
77 u32 val;
78
79 /* read base address of boot chip select (0) */
80 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
81 val &= MPI_CSBASE_BASE_MASK;
82
83 /* assume board is a Livebox */
84 memcpy(&board, bcm963xx_boards[0], sizeof(board));
85
86 /* setup pin multiplexing depending on board enabled device,
87 * this has to be done this early since PCI init is done
88 * inside arch_initcall */
89 val = 0;
90
91 if (board.has_pci) {
92 bcm63xx_pci_enabled = 1;
93 if (BCMCPU_IS_6348())
94 val |= GPIO_MODE_6348_G2_PCI;
95 }
96
97 if (board.has_pccard) {
98 if (BCMCPU_IS_6348())
99 val |= GPIO_MODE_6348_G1_MII_PCCARD;
100 }
101
102 if (board.has_enet0 && !board.enet0.use_internal_phy) {
103 if (BCMCPU_IS_6348())
104 val |= GPIO_MODE_6348_G3_EXT_MII |
105 GPIO_MODE_6348_G0_EXT_MII;
106 }
107
108 if (board.has_enet1 && !board.enet1.use_internal_phy) {
109 if (BCMCPU_IS_6348())
110 val |= GPIO_MODE_6348_G3_EXT_MII |
111 GPIO_MODE_6348_G0_EXT_MII;
112 }
113
114 bcm_gpio_writel(val, GPIO_MODE_REG);
115 }
116
117 /*
118 * second stage init callback, good time to panic if we couldn't
119 * identify on which board we're running since early printk is working
120 */
121 void __init board_setup(void)
122 {
123 if (!board.name[0])
124 panic("unable to detect bcm963xx board");
125 printk(KERN_INFO PFX "board name: %s\n", board.name);
126
127 /* make sure we're running on expected cpu */
128 if (bcm63xx_get_cpu_id() != board.expected_cpu_id)
129 panic("unexpected CPU for bcm963xx board");
130 }
131
132 /*
133 * return board name for /proc/cpuinfo
134 */
135 const char *board_get_name(void)
136 {
137 return board.name;
138 }
139
140 /*
141 * register & return a new board mac address
142 */
143
144 static int board_get_mac_address(u8 *mac)
145 {
146 u8 default_mac[ETH_ALEN] = {0x00, 0x07, 0x3A, 0x00, 0x00, 0x00};
147 u8 *p;
148 int count;
149
150 memcpy(mac, default_mac, ETH_ALEN);
151
152 p = mac + ETH_ALEN - 1;
153 count = mac_addr_used;
154
155 while (count--) {
156 do {
157 (*p)++;
158 if (*p != 0)
159 break;
160 p--;
161 } while (p != mac);
162 }
163
164 if (p == mac) {
165 printk(KERN_ERR PFX "unable to fetch mac address\n");
166 return -ENODEV;
167 }
168 mac_addr_used++;
169
170 return 0;
171 }
172
173 static struct resource mtd_resources[] = {
174 {
175 .start = 0, /* filled at runtime */
176 .end = 0, /* filled at runtime */
177 .flags = IORESOURCE_MEM,
178 }
179 };
180
181 static struct platform_device mtd_dev = {
182 .name = "bcm963xx-flash",
183 .resource = mtd_resources,
184 .num_resources = ARRAY_SIZE(mtd_resources),
185 };
186
187
188 /*
189 * third stage init callback, register all board devices.
190 */
191 int __init board_register_devices(void)
192 {
193 u32 val;
194
195 bcm63xx_uart_register();
196
197 if (board.has_pccard)
198 bcm63xx_pcmcia_register();
199
200 if (board.has_enet0 &&
201 !board_get_mac_address(board.enet0.mac_addr))
202 bcm63xx_enet_register(0, &board.enet0);
203
204 if (board.has_enet1 &&
205 !board_get_mac_address(board.enet1.mac_addr))
206 bcm63xx_enet_register(1, &board.enet1);
207
208 if (board.has_ohci0)
209 bcm63xx_ohci_register();
210
211 if (board.has_ehci0)
212 bcm63xx_ehci_register();
213
214
215 /* read base address of boot chip select (0) */
216 val = bcm_mpi_readl(MPI_CSBASE_REG(0));
217 val &= MPI_CSBASE_BASE_MASK;
218 mtd_resources[0].start = val;
219 mtd_resources[0].end = 0x1FFFFFFF;
220
221 platform_device_register(&mtd_dev);
222
223 return 0;
224 }
225