diff options
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/board.c | 4 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap3/clock.c | 20 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/clocks.c | 5 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap3/sys_proto.h | 1 |
4 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index 871aa37..054e9c4 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -228,6 +228,10 @@ void s_init(void) per_clocks_enable(); +#ifdef CONFIG_USB_EHCI_OMAP + ehci_clocks_enable(); +#endif + #ifdef CONFIG_SPL_BUILD preloader_console_init(); diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index e0d65c7..567817e 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -626,6 +626,26 @@ void prcm_init(void) sdelay(5000); } +/* + * Enable usb ehci uhh, tll clocks + */ +void ehci_clocks_enable(void) +{ + struct prcm *prcm_base = (struct prcm *)PRCM_BASE; + + /* Enable USBHOST_L3_ICLK (USBHOST_MICLK) */ + sr32(&prcm_base->iclken_usbhost, 0, 1, 1); + /* + * Enable USBHOST_48M_FCLK (USBHOST_FCLK1) + * and USBHOST_120M_FCLK (USBHOST_FCLK2) + */ + sr32(&prcm_base->fclken_usbhost, 0, 2, 3); + /* Enable USBTTL_ICLK */ + sr32(&prcm_base->iclken3_core, 2, 1, 1); + /* Enable USBTTL_FCLK */ + sr32(&prcm_base->fclken3_core, 2, 1, 1); +} + /****************************************************************************** * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...) *****************************************************************************/ diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index 0886f92..12e283a 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -342,6 +342,9 @@ void enable_basic_clocks(void) &prcm->cm_l4per_gpio4_clkctrl, &prcm->cm_l4per_gpio5_clkctrl, &prcm->cm_l4per_gpio6_clkctrl, + &prcm->cm_l3init_usbphy_clkctrl, + &prcm->cm_clksel_usb_60mhz, + &prcm->cm_l3init_hsusbtll_clkctrl, 0 }; @@ -352,6 +355,8 @@ void enable_basic_clocks(void) &prcm->cm_l4per_gptimer2_clkctrl, &prcm->cm_wkup_wdtimer2_clkctrl, &prcm->cm_l4per_uart3_clkctrl, + &prcm->cm_l3init_fsusb_clkctrl, + &prcm->cm_l3init_hsusbhost_clkctrl, 0 }; diff --git a/arch/arm/include/asm/arch-omap3/sys_proto.h b/arch/arm/include/asm/arch-omap3/sys_proto.h index e5031d5..2a89e56 100644 --- a/arch/arm/include/asm/arch-omap3/sys_proto.h +++ b/arch/arm/include/asm/arch-omap3/sys_proto.h @@ -34,6 +34,7 @@ struct emu_hal_params { void prcm_init(void); void per_clocks_enable(void); +void ehci_clocks_enable(void); void memif_init(void); void sdrc_init(void); |