parse mac address on RouterBOARDs

SVN-Revision: 11910
This commit is contained in:
Gabor Juhos 2008-07-22 16:35:29 +00:00
parent 4e9e2cba40
commit 7564923517
5 changed files with 80 additions and 31 deletions

View file

@ -22,6 +22,8 @@
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/platform.h>
static u8 ar71xx_mac_base[ETH_ALEN] __initdata;
/*
* OHCI (USB full speed host controller)
*/
@ -232,6 +234,7 @@ void __init ar71xx_add_device_eth(unsigned int id, phy_interface_t phy_if_mode,
default:
BUG();
}
memcpy(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, ETH_ALEN);
ar71xx_eth0_data.phy_if_mode = phy_if_mode;
ar71xx_eth0_data.phy_mask = phy_mask;
pdev = &ar71xx_eth0_device;
@ -247,6 +250,8 @@ void __init ar71xx_add_device_eth(unsigned int id, phy_interface_t phy_if_mode,
default:
BUG();
}
memcpy(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, ETH_ALEN);
ar71xx_eth1_data.mac_addr[5] += id;
ar71xx_eth1_data.phy_if_mode = phy_if_mode;
ar71xx_eth1_data.phy_mask = phy_mask;
pdev = &ar71xx_eth1_device;
@ -286,6 +291,21 @@ void __init ar71xx_add_device_spi(struct ar71xx_spi_platform_data *pdata,
platform_device_register(&ar71xx_spi_device);
}
void __init ar71xx_set_mac_base(char *mac_str)
{
u8 tmp[ETH_ALEN];
int t;
t = sscanf(mac_str, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&tmp[0], &tmp[1], &tmp[2], &tmp[3], &tmp[4], &tmp[5]);
if (t == ETH_ALEN)
memcpy(ar71xx_mac_base, tmp, ETH_ALEN);
else
printk(KERN_DEBUG "AR71XX: failed to parse mac address "
"\"%s\"\n", mac_str);
}
static int __init ar71xx_machine_setup(void)
{
ar71xx_print_cmdline();

View file

@ -18,15 +18,16 @@
#include <asm/addrspace.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/platform.h>
struct board_rec {
char *name;
unsigned long mach_type;
};
static int prom_argc __initdata;
static char **prom_argv __initdata;
static char **prom_envp __initdata;
static int ar71xx_prom_argc __initdata;
static char **ar71xx_prom_argv __initdata;
static char **ar71xx_prom_envp __initdata;
static struct board_rec boards[] __initdata = {
{
@ -41,30 +42,37 @@ static struct board_rec boards[] __initdata = {
}
};
char *(*prom_getenv)(const char *envname) __initdata;
static __init char *dummy_getenv(const char *envname)
{
return NULL;
}
static void __init routerboot_printargs(void)
static __init void routerboot_printargs(void)
{
int i;
for (i = 0; i < prom_argc; i++)
for (i = 0; i < ar71xx_prom_argc; i++)
printk(KERN_DEBUG "prom: routerboot envp[%d]: %s\n",
i, prom_envp[i]);
i, ar71xx_prom_argv[i]);
}
static __init char *routerboot_getenv(const char *envname)
{
char **env;
int i = strlen(envname);
int len = strlen(envname);
int i;
for (env = prom_envp; *env != NULL; env++)
if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
return *env + i + 1;
for (i = 0; i < ar71xx_prom_argc; i++) {
char *env = ar71xx_prom_argv[i];
if (strncmp(envname, env, len) == 0 && (env)[len] == '=')
return env + len + 1;
}
return NULL;
}
static __init char *redboot_getenv(const char *envname)
{
int len = strlen(envname);
char **env;
for (env = ar71xx_prom_envp; *env != NULL; env++)
if (strncmp(envname, *env, len) == 0 && (*env)[len] == '=')
return *env + len + 1;
return NULL;
}
@ -82,28 +90,37 @@ static __init unsigned long find_board_byname(char *name)
void __init prom_init(void)
{
char *board;
char *board = NULL;
char *mac = NULL;
printk(KERN_DEBUG "prom: fw_arg0=%08x, fw_arg1=%08x, "
"fw_arg2=%08x, fw_arg3=%08x\n",
(unsigned int)fw_arg0, (unsigned int)fw_arg1,
(unsigned int)fw_arg2, (unsigned int)fw_arg3);
prom_getenv = dummy_getenv;
if ((fw_arg0 == 7) && (fw_arg2 == 0)) {
prom_argc = fw_arg0;
prom_envp = (char **)fw_arg1;
prom_getenv = routerboot_getenv;
if ((fw_arg0 == 7) && (fw_arg2 == 0) && (fw_arg3 == 0)) {
/* assume RouterBOOT */
ar71xx_prom_argc = fw_arg0;
ar71xx_prom_argv = (char **)fw_arg1;
routerboot_printargs();
board = routerboot_getenv("board");
mac = routerboot_getenv("kmac");
} else {
/* assume Redboot */
ar71xx_prom_argc = fw_arg0;
ar71xx_prom_argv = (char **)fw_arg1;
ar71xx_prom_envp = (char **)fw_arg2;
mac = redboot_getenv("ethaddr");
}
board = prom_getenv("board");
if (board)
mips_machtype = find_board_byname(board);
else
mips_machtype = MACH_AR71XX_GENERIC;
if (mac)
ar71xx_set_mac_base(mac);
ar71xx_print_cmdline();
}

View file

@ -18,6 +18,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/random.h>
#include <linux/spinlock.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
@ -35,7 +36,7 @@
#define ETH_FCS_LEN 4
#define AG71XX_DRV_NAME "ag71xx"
#define AG71XX_DRV_VERSION "0.3.9"
#define AG71XX_DRV_VERSION "0.3.10"
#define AG71XX_NAPI_TX 1

View file

@ -692,13 +692,14 @@ static void ag71xx_set_multicast_list(struct net_device *dev)
static int __init ag71xx_probe(struct platform_device *pdev)
{
static u8 default_mac[ETH_ALEN] = {0x00, 0xba, 0xdb, 0xad, 0xba, 0xd0};
struct net_device *dev;
struct resource *res;
struct ag71xx *ag;
struct ag71xx_platform_data *pdata;
int err;
if (!pdev->dev.platform_data) {
pdata = pdev->dev.platform_data;
if (!pdata) {
dev_err(&pdev->dev, "no platform data specified\n");
err = -ENXIO;
goto err_out;
@ -765,8 +766,14 @@ static int __init ag71xx_probe(struct platform_device *pdev)
netif_napi_add(dev, &ag->napi, ag71xx_poll, AG71XX_NAPI_WEIGHT);
memcpy(dev->dev_addr, default_mac, ETH_ALEN);
dev->dev_addr[5] += pdev->id & 0xff;
if (is_valid_ether_addr(pdata->mac_addr))
memcpy(dev->dev_addr, pdata->mac_addr, ETH_ALEN);
else {
dev->dev_addr[0] = 0xde;
dev->dev_addr[1] = 0xad;
get_random_bytes(&dev->dev_addr[2], 3);
dev->dev_addr[5] = pdev->id & 0xff;
}
err = register_netdev(dev);
if (err) {

View file

@ -12,6 +12,7 @@
#ifndef __ASM_MACH_AR71XX_PLATFORM_H
#define __ASM_MACH_AR71XX_PLATFORM_H
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/phy.h>
#include <linux/spi/spi.h>
@ -22,6 +23,7 @@ struct ag71xx_platform_data {
u32 phy_mask;
phy_interface_t phy_if_mode;
u32 mii_if;
u8 mac_addr[ETH_ALEN];
};
struct ar71xx_spi_platform_data {
@ -36,6 +38,8 @@ struct ar71xx_spi_platform_data {
extern void ar71xx_add_device_spi(struct ar71xx_spi_platform_data *pdata,
struct spi_board_info const *info,
unsigned n) __init;
extern void ar71xx_set_mac_base(char *mac_str) __init;
extern void ar71xx_add_device_eth(unsigned int id, phy_interface_t phy_if_mode,
u32 phy_mask) __init;