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Code

ar71xx: automatically find WLAN calibration data on DIR-825-B1

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33538 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-09-25 12:57:38 +00:00
parent 39348acc10
commit bb4a32bb81
1 changed files with 44 additions and 17 deletions
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61
target/linux/ar71xx/files/arch/mips/ath79/mach-dir-825-b1.c
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@ -40,11 +40,13 @@
#define DIR825B1_KEYS_POLL_INTERVAL 20 /* msecs */
#define DIR825B1_KEYS_DEBOUNCE_INTERVAL (3 * DIR825B1_KEYS_POLL_INTERVAL)
#define DIR825B1_CAL_LOCATION_0 0x1f661000
#define DIR825B1_CAL_LOCATION_1 0x1f665000
#define DIR825B1_CAL0_OFFSET 0x1000
#define DIR825B1_CAL1_OFFSET 0x5000
#define DIR825B1_MAC0_OFFSET 0xffa0
#define DIR825B1_MAC1_OFFSET 0xffb4
#define DIR825B1_MAC_LOCATION_0 0x1f66ffa0
#define DIR825B1_MAC_LOCATION_1 0x1f66ffb4
#define DIR825B1_CAL_LOCATION_0 0x1f660000
#define DIR825B1_CAL_LOCATION_1 0x1f7f0000
static struct gpio_led dir825b1_leds_gpio[] __initdata = {
{
@ -111,10 +113,9 @@ static struct platform_device dir825b1_rtl8366s_device = {
}
};
static void dir825b1_read_ascii_mac(u8 *dest, unsigned int src_addr)
static void dir825b1_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],
@ -124,23 +125,55 @@ static void dir825b1_read_ascii_mac(u8 *dest, unsigned int src_addr)
memset(dest, 0, ETH_ALEN);
}
static void __init dir825b1_setup(void)
static bool __init dir825b1_is_caldata_valid(u8 *p)
{
u16 *magic0, *magic1;
magic0 = (u16 *)(p + DIR825B1_CAL0_OFFSET);
magic1 = (u16 *)(p + DIR825B1_CAL1_OFFSET);
return (*magic0 == 0xa55a && *magic1 == 0xa55a);
}
static void __init dir825b1_wlan_init(void)
{
u8 *caldata;
u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
dir825b1_read_ascii_mac(mac1, DIR825B1_MAC_LOCATION_0);
dir825b1_read_ascii_mac(mac2, DIR825B1_MAC_LOCATION_1);
caldata = (u8 *) KSEG1ADDR(DIR825B1_CAL_LOCATION_0);
if (!dir825b1_is_caldata_valid(caldata)) {
caldata = (u8 *)KSEG1ADDR(DIR825B1_CAL_LOCATION_1);
if (!dir825b1_is_caldata_valid(caldata)) {
pr_err("no calibration data found\n");
return;
}
}
dir825b1_read_ascii_mac(mac1, caldata + DIR825B1_MAC0_OFFSET);
dir825b1_read_ascii_mac(mac2, caldata + DIR825B1_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 + DIR825B1_CAL0_OFFSET, mac1,
caldata + DIR825B1_CAL1_OFFSET, mac2);
}
static void __init dir825b1_setup(void)
{
dir825b1_wlan_init();
ath79_register_mdio(0, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
ath79_eth0_data.mii_bus_dev = &dir825b1_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 = &dir825b1_rtl8366s_device.dev;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth1_data.phy_mask = 0x10;
@ -161,12 +194,6 @@ static void __init dir825b1_setup(void)
ath79_register_usb();
platform_device_register(&dir825b1_rtl8366s_device);
ap9x_pci_setup_wmac_led_pin(0, 5);
ap9x_pci_setup_wmac_led_pin(1, 5);
ap94_pci_init((u8 *) KSEG1ADDR(DIR825B1_CAL_LOCATION_0), mac1,
(u8 *) KSEG1ADDR(DIR825B1_CAL_LOCATION_1), mac2);
}
MIPS_MACHINE(ATH79_MACH_DIR_825_B1, "DIR-825-B1", "D-Link DIR-825 rev. B1",