diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c index 205c2e7d5a..59d10a9997 100644 --- a/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c +++ b/target/linux/ar71xx/files/arch/mips/ath79/mach-wnr2000-v3.c @@ -14,6 +14,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/kernel.h> /* for max() macro */ #include <asm/mach-ath79/ath79.h> #include <asm/mach-ath79/ar71xx_regs.h> /* needed to disable switch LEDs */ @@ -66,6 +67,7 @@ #define WNR2000V3_MAC0_OFFSET 0 #define WNR2000V3_MAC1_OFFSET 6 #define WNR2000V3_PCIE_CALDATA_OFFSET 0x1000 +#define WNR2000V3_WMAC_OFFSET 0x108c /* wireless MAC is inside ART */ static struct gpio_led wnr2000v3_leds_gpio[] __initdata = { { @@ -181,7 +183,35 @@ static struct gpio_keys_button wnr2000v3_gpio_keys[] __initdata = { } }; -static void __init wnr_common_setup(void) +/* + * For WNR2000v3 ART flash area used for WLAN MAC is usually empty (0xff) + * so ath9k driver uses random MAC instead each time module is loaded. + * To fix that, assign permanent WLAN MAC equal to ethN's MAC plus 1, + * so network interfaces get sequential addresses. + * If ART wireless MAC address field has been filled by user, use it. + */ +static void __init wnr_get_wmac(u8 *wmac_gen_addr, int mac0_art_offset, + int mac1_art_offset, int wmac_art_offset) +{ + u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); + u8 *eth0_mac_addr = (u8 *) (art + mac0_art_offset); + u8 *eth1_mac_addr = (u8 *) (art + mac1_art_offset); + u8 *wlan_mac_addr = (u8 *) (art + wmac_art_offset); + + /* only 0xff if all bits are set - address is invalid, empty area */ + if ((wlan_mac_addr[0] & wlan_mac_addr[1] & wlan_mac_addr[2] & + wlan_mac_addr[3] & wlan_mac_addr[4] & wlan_mac_addr[5]) == 0xff) { + memcpy(wmac_gen_addr, eth0_mac_addr, 5); + wmac_gen_addr[5] = max(eth0_mac_addr[5], eth1_mac_addr[5]) + 1; + + /* Avoid potential conflict in case max(0xff,0x00)+1==0x00 */ + if (!wmac_gen_addr[5]) + wmac_gen_addr[5] = 1; + } else + memcpy(wmac_gen_addr, wlan_mac_addr, 6); +} + +static void __init wnr_common_setup(u8 *wmac_addr) { u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); @@ -200,12 +230,17 @@ static void __init wnr_common_setup(void) ath79_register_eth(1); ath79_register_m25p80(NULL); - ap91_pci_init(art + WNR2000V3_PCIE_CALDATA_OFFSET, NULL); + ap91_pci_init(art + WNR2000V3_PCIE_CALDATA_OFFSET, wmac_addr); } static void __init wnr2000v3_setup(void) { - wnr_common_setup(); + u8 wlan_mac_addr[6]; + + wnr_get_wmac(wlan_mac_addr, WNR2000V3_MAC0_OFFSET, + WNR2000V3_MAC1_OFFSET, WNR2000V3_WMAC_OFFSET); + + wnr_common_setup(wlan_mac_addr); ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr2000v3_leds_gpio), wnr2000v3_leds_gpio); @@ -219,7 +254,7 @@ MIPS_MACHINE(ATH79_MACH_WNR2000_V3, "WNR2000V3", "NETGEAR WNR2000 V3", wnr2000v3 static void __init wnr612v2_setup(void) { - wnr_common_setup(); + wnr_common_setup(NULL); ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr612v2_leds_gpio), wnr612v2_leds_gpio); @@ -229,7 +264,7 @@ MIPS_MACHINE(ATH79_MACH_WNR612_V2, "WNR612V2", "NETGEAR WNR612 V2", wnr612v2_set static void __init wnr1000v2_setup(void) { - wnr_common_setup(); + wnr_common_setup(NULL); ath79_register_leds_gpio(-1, ARRAY_SIZE(wnr1000v2_leds_gpio), wnr1000v2_leds_gpio); @@ -247,7 +282,7 @@ static void __init wpn824n_setup(void) AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN | AR724X_GPIO_FUNC_CLK_OBS3_EN); - wnr_common_setup(); + wnr_common_setup(NULL); ath79_register_leds_gpio(-1, ARRAY_SIZE(wpn824n_leds_gpio), wpn824n_leds_gpio); |