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ar71xx: init external_reset for AR933X
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27083 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -68,6 +68,31 @@ static int ar933x_r1_get_wmac_revision(void)
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return ar71xx_soc_rev;
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}
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static int ar933x_wmac_reset(void)
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{
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unsigned retries = 0;
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ar71xx_device_stop(AR933X_RESET_WMAC);
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ar71xx_device_start(AR933X_RESET_WMAC);
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while (1) {
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u32 bootstrap;
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bootstrap = ar71xx_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
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if ((bootstrap & AR933X_BOOTSTRAP_EEPBUSY) == 0)
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return 0;
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if (retries > 20)
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break;
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udelay(10000);
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retries++;
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}
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pr_err("ar93xx: WMAC reset timed out");
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return -ETIMEDOUT;
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}
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static void ar933x_wmac_init(void)
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{
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ar9xxx_wmac_device.name = "ar933x_wmac";
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@ -78,6 +103,10 @@ static void ar933x_wmac_init(void)
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if (ar71xx_soc_rev == 1)
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ar9xxx_wmac_data.get_mac_revision = ar933x_r1_get_wmac_revision;
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ar9xxx_wmac_data.external_reset = ar933x_wmac_reset;
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ar933x_wmac_reset();
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}
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static void ar934x_wmac_init(void)
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@ -609,6 +609,7 @@ void ar71xx_ddr_flush(u32 reg);
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#define AR933X_RESET_REG_RESET_MODULE 0x1c
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#define AR933X_RESET_REG_BOOTSTRAP 0xac
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#define AR933X_BOOTSTRAP_EEPBUSY BIT(4)
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#define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0)
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#define AR934X_RESET_REG_RESET_MODULE 0x1c
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@ -672,6 +673,7 @@ void ar71xx_ddr_flush(u32 reg);
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#define AR724X_RESET_USB_PHY BIT(4)
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#define AR724X_RESET_USBSUS_OVERRIDE BIT(3)
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#define AR933X_RESET_WMAC BIT(11)
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#define AR933X_RESET_GE1_MDIO BIT(23)
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#define AR933X_RESET_GE0_MDIO BIT(22)
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#define AR933X_RESET_GE1_MAC BIT(13)
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