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
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
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>
30 #define PFX "board_bcm963xx: "
32 static struct bcm963xx_nvram nvram
;
33 static unsigned int mac_addr_used
= 0;
34 static struct board_info board
;
39 #ifdef CONFIG_BCM63XX_CPU_6348
40 static struct board_info __initdata board_96348r
= {
42 .expected_cpu_id
= 0x6348,
49 .use_internal_phy
= 1,
53 static struct board_info __initdata board_96348gw_10
= {
55 .expected_cpu_id
= 0x6348,
63 .use_internal_phy
= 1,
67 .force_duplex_full
= 1,
75 static struct board_info __initdata board_96348gw_11
= {
77 .expected_cpu_id
= 0x6348,
85 .use_internal_phy
= 1,
90 .force_duplex_full
= 1,
99 static struct board_info __initdata board_96348gw
= {
101 .expected_cpu_id
= 0x6348,
109 .use_internal_phy
= 1,
112 .force_speed_100
= 1,
113 .force_duplex_full
= 1,
119 static struct board_info __initdata board_FAST2404
= {
121 .expected_cpu_id
= 0x6348,
129 .use_internal_phy
= 1,
133 .force_speed_100
= 1,
134 .force_duplex_full
= 1,
148 #ifdef CONFIG_BCM63XX_CPU_6358
149 static struct board_info __initdata board_96358vw
= {
151 .expected_cpu_id
= 0x6358,
159 .use_internal_phy
= 1,
163 .force_speed_100
= 1,
164 .force_duplex_full
= 1,
173 static struct board_info __initdata board_96358vw2
= {
175 .expected_cpu_id
= 0x6358,
183 .use_internal_phy
= 1,
187 .force_speed_100
= 1,
188 .force_duplex_full
= 1,
201 static const struct board_info __initdata
*bcm963xx_boards
[] = {
202 #ifdef CONFIG_BCM63XX_CPU_6348
210 #ifdef CONFIG_BCM63XX_CPU_6358
217 * early init callback, read nvram data from flash and checksum it
219 void __init
board_prom_init(void)
221 unsigned int check_len
, i
;
222 u8
*boot_addr
, *cfe
, *p
;
223 char cfe_version
[32];
226 /* read base address of boot chip select (0) */
227 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
228 val
&= MPI_CSBASE_BASE_MASK
;
229 boot_addr
= (u8
*)KSEG1ADDR(val
);
231 /* dump cfe version */
232 cfe
= boot_addr
+ BCM963XX_CFE_VERSION_OFFSET
;
233 if (!memcmp(cfe
, "cfe-v", 5))
234 snprintf(cfe_version
, sizeof(cfe_version
), "%u.%u.%u-%u.%u",
235 cfe
[5], cfe
[6], cfe
[7], cfe
[8], cfe
[9]);
237 strcpy(cfe_version
, "unknown");
238 printk(KERN_INFO PFX
"CFE version: %s\n", cfe_version
);
240 /* extract nvram data */
241 memcpy(&nvram
, boot_addr
+ BCM963XX_NVRAM_OFFSET
, sizeof(nvram
));
243 /* check checksum before using data */
244 if (nvram
.version
<= 4)
245 check_len
= offsetof(struct bcm963xx_nvram
, checksum_old
);
247 check_len
= sizeof(nvram
);
253 printk(KERN_ERR PFX
"invalid nvram checksum\n");
257 /* find board by name */
258 for (i
= 0; i
< ARRAY_SIZE(bcm963xx_boards
); i
++) {
259 if (strncmp(nvram
.name
, bcm963xx_boards
[i
]->name
,
262 /* copy, board desc array is marked initdata */
263 memcpy(&board
, bcm963xx_boards
[i
], sizeof(board
));
267 /* bail out if board is not found, will complain later */
268 if (!board
.name
[0]) {
270 memcpy(name
, nvram
.name
, 16);
272 printk(KERN_ERR PFX
"unknown bcm963xx board: %s\n",
277 /* setup pin multiplexing depending on board enabled device,
278 * this has to be done this early since PCI init is done
279 * inside arch_initcall */
283 bcm63xx_pci_enabled
= 1;
284 if (BCMCPU_IS_6348())
285 val
|= GPIO_MODE_6348_G2_PCI
;
288 if (board
.has_pccard
) {
289 if (BCMCPU_IS_6348())
290 val
|= GPIO_MODE_6348_G1_MII_PCCARD
;
293 if (board
.has_enet0
&& !board
.enet0
.use_internal_phy
) {
294 if (BCMCPU_IS_6348())
295 val
|= GPIO_MODE_6348_G3_EXT_MII
|
296 GPIO_MODE_6348_G0_EXT_MII
;
299 if (board
.has_enet1
&& !board
.enet1
.use_internal_phy
) {
300 if (BCMCPU_IS_6348())
301 val
|= GPIO_MODE_6348_G3_EXT_MII
|
302 GPIO_MODE_6348_G0_EXT_MII
;
305 bcm_gpio_writel(val
, GPIO_MODE_REG
);
309 * second stage init callback, good time to panic if we couldn't
310 * identify on which board we're running since early printk is working
312 void __init
board_setup(void)
315 panic("unable to detect bcm963xx board");
316 printk(KERN_INFO PFX
"board name: %s\n", board
.name
);
318 /* make sure we're running on expected cpu */
319 if (bcm63xx_get_cpu_id() != board
.expected_cpu_id
)
320 panic("unexpected CPU for bcm963xx board");
324 * return board name for /proc/cpuinfo
326 const char *board_get_name(void)
332 * register & return a new board mac address
334 static int board_get_mac_address(u8
*mac
)
339 if (mac_addr_used
>= nvram
.mac_addr_count
) {
340 printk(KERN_ERR PFX
"not enough mac address\n");
344 memcpy(mac
, nvram
.mac_addr_base
, ETH_ALEN
);
345 p
= mac
+ ETH_ALEN
- 1;
346 count
= mac_addr_used
;
358 printk(KERN_ERR PFX
"unable to fetch mac address\n");
366 static struct resource mtd_resources
[] = {
368 .start
= 0, /* filled at runtime */
369 .end
= 0, /* filled at runtime */
370 .flags
= IORESOURCE_MEM
,
374 static struct platform_device mtd_dev
= {
375 .name
= "bcm963xx-flash",
376 .resource
= mtd_resources
,
377 .num_resources
= ARRAY_SIZE(mtd_resources
),
381 * third stage init callback, register all board devices.
383 int __init
board_register_devices(void)
387 bcm63xx_uart_register();
389 if (board
.has_pccard
)
390 bcm63xx_pcmcia_register();
392 if (board
.has_enet0
&&
393 !board_get_mac_address(board
.enet0
.mac_addr
))
394 bcm63xx_enet_register(0, &board
.enet0
);
396 if (board
.has_enet1
&&
397 !board_get_mac_address(board
.enet1
.mac_addr
))
398 bcm63xx_enet_register(1, &board
.enet1
);
401 bcm63xx_ohci_register();
404 bcm63xx_ehci_register();
407 /* read base address of boot chip select (0) */
408 val
= bcm_mpi_readl(MPI_CSBASE_REG(0));
409 val
&= MPI_CSBASE_BASE_MASK
;
410 mtd_resources
[0].start
= val
;
411 mtd_resources
[0].end
= 0x1FFFFFFF;
413 platform_device_register(&mtd_dev
);