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Code

ar71xx: automatically find WLAN calibration data on TEW-673GRU

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33539 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-09-25 12:57:40 +00:00
parent bb4a32bb81
commit 417602ac1e
1 changed files with 47 additions and 19 deletions
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66
target/linux/ar71xx/files/arch/mips/ath79/mach-tew-673gru.c
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@ -40,11 +40,13 @@
#define TEW673GRU_KEYS_POLL_INTERVAL 20 /* msecs */
#define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL)
#define TEW673GRU_CAL_LOCATION_0 0x1f661000
#define TEW673GRU_CAL_LOCATION_1 0x1f665000
#define TEW673GRU_CAL0_OFFSET 0x1000
#define TEW673GRU_CAL1_OFFSET 0x5000
#define TEW673GRU_MAC0_OFFSET 0xffa0
#define TEW673GRU_MAC1_OFFSET 0xffb4
#define TEW673GRU_MAC_LOCATION_0 0x1f66ffa0
#define TEW673GRU_MAC_LOCATION_1 0x1f66ffb4
#define TEW673GRU_CAL_LOCATION_0 0x1f660000
#define TEW673GRU_CAL_LOCATION_1 0x1f7f0000
static struct gpio_led tew673gru_leds_gpio[] __initdata = {
{
@ -117,35 +119,67 @@ static struct platform_device tew673gru_spi_device = {
},
};
static void tew673gru_read_ascii_mac(u8 *dest, unsigned int src_addr)
static void tew673gru_read_ascii_mac(u8 *dest, u8 *src)
{
int ret;
u8 *src = (u8 *)KSEG1ADDR(src_addr);
ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
&dest[0], &dest[1], &dest[2],
&dest[3], &dest[4], &dest[5]);
if (ret != ETH_ALEN) memset(dest, 0, ETH_ALEN);
if (ret != ETH_ALEN)
memset(dest, 0, ETH_ALEN);
}
static bool __init tew673gru_is_caldata_valid(u8 *p)
{
u16 *magic0, *magic1;
magic0 = (u16 *)(p + TEW673GRU_CAL0_OFFSET);
magic1 = (u16 *)(p + TEW673GRU_CAL1_OFFSET);
return (*magic0 == 0xa55a && *magic1 == 0xa55a);
}
static void __init tew673gru_wlan_init(void)
{
u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
u8 *caldata;
caldata = (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0);
if (!tew673gru_is_caldata_valid(caldata)) {
caldata = (u8 *)KSEG1ADDR(TEW673GRU_CAL_LOCATION_1);
if (!tew673gru_is_caldata_valid(caldata)) {
pr_err("no calibration data found\n");
return;
}
}
tew673gru_read_ascii_mac(mac1, caldata + TEW673GRU_MAC0_OFFSET);
tew673gru_read_ascii_mac(mac2, caldata + TEW673GRU_MAC1_OFFSET);
ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3);
ap9x_pci_setup_wmac_led_pin(0, 5);
ap9x_pci_setup_wmac_led_pin(1, 5);
ap94_pci_init(caldata + TEW673GRU_CAL0_OFFSET, mac1,
caldata + TEW673GRU_CAL1_OFFSET, mac2);
}
static void __init tew673gru_setup(void)
{
u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
tew673gru_read_ascii_mac(mac1, TEW673GRU_MAC_LOCATION_0);
tew673gru_read_ascii_mac(mac2, TEW673GRU_MAC_LOCATION_1);
tew673gru_wlan_init();
ath79_register_mdio(0, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
ath79_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.speed = SPEED_1000;
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_pll_data.pll_1000 = 0x11110000;
ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3);
ath79_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth1_data.phy_mask = 0x10;
@ -167,12 +201,6 @@ static void __init tew673gru_setup(void)
platform_device_register(&tew673gru_rtl8366s_device);
ap9x_pci_setup_wmac_led_pin(0, 5);
ap9x_pci_setup_wmac_led_pin(1, 5);
ap94_pci_init((u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0), mac1,
(u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_1), mac2);
spi_register_board_info(tew673gru_spi_info,
ARRAY_SIZE(tew673gru_spi_info));
platform_device_register(&tew673gru_spi_device);