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From: Oleksandr Tymoshenko <gonzo@FreeBSD.org>
Date: Sat, 21 Feb 2009 03:13:10 +0000 (UTC)
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Subject: svn commit: r188882 - projects/mips/sys/mips/atheros
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Author: gonzo
Date: Sat Feb 21 03:13:10 2009
New Revision: 188882
URL: http://svn.freebsd.org/changeset/base/188882

Log:
  - Reset USB chip and init control registers

Modified:
  projects/mips/sys/mips/atheros/ar71xx_machdep.c

Modified: projects/mips/sys/mips/atheros/ar71xx_machdep.c
==============================================================================
--- projects/mips/sys/mips/atheros/ar71xx_machdep.c	Sat Feb 21 03:11:43 2009	(r188881)
+++ projects/mips/sys/mips/atheros/ar71xx_machdep.c	Sat Feb 21 03:13:10 2009	(r188882)
@@ -98,6 +98,7 @@ platform_start(__register_t a0 __unused,
 {
 	vm_offset_t kernend;
 	uint64_t platform_counter_freq;
+	uint32_t reg;
 
 	/* clear the BSS and SBSS segments */
 	kernend = round_page((vm_offset_t)&end);
@@ -134,6 +135,26 @@ platform_start(__register_t a0 __unused,
 	mips_proc0_init();
 	mutex_init();
 
+	/*
+	 * Reset USB devices 
+	 */
+	reg = ATH_READ_REG(AR71XX_RST_RESET);
+	reg |= 
+	    RST_RESET_USB_OHCI_DLL | RST_RESET_USB_HOST | RST_RESET_USB_PHY;
+	ATH_WRITE_REG(AR71XX_RST_RESET, reg);
+	DELAY(1000);
+	reg &= 
+	    ~(RST_RESET_USB_OHCI_DLL | RST_RESET_USB_HOST | RST_RESET_USB_PHY);
+	ATH_WRITE_REG(AR71XX_RST_RESET, reg);
+	
+	ATH_WRITE_REG(AR71XX_USB_CTRL_CONFIG,
+	    USB_CTRL_CONFIG_OHCI_DES_SWAP | USB_CTRL_CONFIG_OHCI_BUF_SWAP |
+	    USB_CTRL_CONFIG_EHCI_DES_SWAP | USB_CTRL_CONFIG_EHCI_BUF_SWAP);
+
+	ATH_WRITE_REG(AR71XX_USB_CTRL_FLADJ, 
+	    (32 << USB_CTRL_FLADJ_HOST_SHIFT) | (3 << USB_CTRL_FLADJ_A5_SHIFT));
+	DELAY(1000);
+
 #ifdef DDB
 	kdb_init();
 #endif