Date: Sat, 21 Feb 2009 03:13:10 +0000 (UTC) From: Oleksandr Tymoshenko <gonzo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r188882 - projects/mips/sys/mips/atheros Message-ID: <200902210313.n1L3DAkb046723@svn.freebsd.org>
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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
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