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author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-04-19 17:17:29 +0100 |
commit | adf6d34e460387ee3e8f1e1875d52bff51212c7d (patch) | |
tree | 88ef100143e6184103a608f82dfd232bf6376eaf /arch/arm/plat-omap/usb.c | |
parent | d1964dab60ce7c104dd21590e987a8787db18051 (diff) | |
parent | 3760d31f11bfbd0ead9eaeb8573e0602437a9d7c (diff) | |
download | op-kernel-dev-adf6d34e460387ee3e8f1e1875d52bff51212c7d.zip op-kernel-dev-adf6d34e460387ee3e8f1e1875d52bff51212c7d.tar.gz |
Merge branch 'omap2-upstream' into devel
Diffstat (limited to 'arch/arm/plat-omap/usb.c')
-rw-r--r-- | arch/arm/plat-omap/usb.c | 67 |
1 files changed, 51 insertions, 16 deletions
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c index a5aedf9..a619475 100644 --- a/arch/arm/plat-omap/usb.c +++ b/arch/arm/plat-omap/usb.c @@ -33,6 +33,7 @@ #include <asm/system.h> #include <asm/hardware.h> +#include <asm/arch/control.h> #include <asm/arch/mux.h> #include <asm/arch/usb.h> #include <asm/arch/board.h> @@ -76,7 +77,7 @@ /*-------------------------------------------------------------------------*/ -#ifdef CONFIG_ARCH_OMAP_OTG +#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_USB_MUSB_OTG) static struct otg_transceiver *xceiv; @@ -110,12 +111,48 @@ EXPORT_SYMBOL(otg_set_transceiver); #if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX) +static void omap2_usb_devconf_clear(u8 port, u32 mask) +{ + u32 r; + + r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + r &= ~USBTXWRMODEI(port, mask); + omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); +} + +static void omap2_usb_devconf_set(u8 port, u32 mask) +{ + u32 r; + + r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + r |= USBTXWRMODEI(port, mask); + omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); +} + +static void omap2_usb2_disable_5pinbitll(void) +{ + u32 r; + + r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + r &= ~(USBTXWRMODEI(2, USB_BIDIR_TLL) | USBT2TLL5PI); + omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); +} + +static void omap2_usb2_enable_5pinunitll(void) +{ + u32 r; + + r = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0); + r |= USBTXWRMODEI(2, USB_UNIDIR_TLL) | USBT2TLL5PI; + omap_ctrl_writel(r, OMAP2_CONTROL_DEVCONF0); +} + static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device) { u32 syscon1 = 0; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL); + omap2_usb_devconf_clear(0, USB_BIDIR_TLL); if (nwires == 0) { if (cpu_class_is_omap1() && !cpu_is_omap15xx()) { @@ -187,19 +224,19 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device) case 3: syscon1 = 2; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(0, USB_BIDIR); break; case 4: syscon1 = 1; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(0, USB_BIDIR); break; case 6: syscon1 = 3; if (cpu_is_omap24xx()) { omap_cfg_reg(J19_24XX_USB0_VP); omap_cfg_reg(K20_24XX_USB0_VM); - CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR); + omap2_usb_devconf_set(0, USB_UNIDIR); } else { omap_cfg_reg(AA9_USB0_VP); omap_cfg_reg(R9_USB0_VM); @@ -220,7 +257,7 @@ static u32 __init omap_usb1_init(unsigned nwires) if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6) USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL); + omap2_usb_devconf_clear(1, USB_BIDIR_TLL); if (nwires == 0) return 0; @@ -261,17 +298,17 @@ static u32 __init omap_usb1_init(unsigned nwires) * this TLL link is not using DP/DM */ syscon1 = 1; - CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL); + omap2_usb_devconf_set(1, USB_BIDIR_TLL); break; case 3: syscon1 = 2; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(1, USB_BIDIR); break; case 4: syscon1 = 1; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(1, USB_BIDIR); break; case 6: if (cpu_is_omap24xx()) @@ -295,8 +332,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) u32 syscon1 = 0; if (cpu_is_omap24xx()) { - CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL) - | USBT2TLL5PI); + omap2_usb2_disable_5pinbitll(); alt_pingroup = 0; } @@ -343,17 +379,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) * this TLL link is not using DP/DM */ syscon1 = 1; - CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL); + omap2_usb_devconf_set(2, USB_BIDIR_TLL); break; case 3: syscon1 = 2; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(2, USB_BIDIR); break; case 4: syscon1 = 1; if (cpu_is_omap24xx()) - CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR); + omap2_usb_devconf_set(2, USB_BIDIR); break; case 5: if (!cpu_is_omap24xx()) @@ -364,8 +400,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup) * set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED} */ syscon1 = 3; - CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL) - | USBT2TLL5PI; + omap2_usb2_enable_5pinunitll(); break; case 6: if (cpu_is_omap24xx()) |