diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/ti/beagle/beagle.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c index 2cca6da..624ff70 100644 --- a/board/ti/beagle/beagle.c +++ b/board/ti/beagle/beagle.c @@ -42,15 +42,6 @@ #include <asm/arch/sys_proto.h> #include <asm/gpio.h> #include <asm/mach-types.h> -#ifdef CONFIG_USB_EHCI -#include <usb.h> -#include <asm/arch/clocks.h> -#include <asm/arch/clocks_omap3.h> -#include <asm/arch/ehci_omap3.h> -/* from drivers/usb/host/ehci-core.h */ -extern struct ehci_hccr *hccr; -extern volatile struct ehci_hcor *hcor; -#endif #include "beagle.h" #include <command.h> @@ -452,104 +443,12 @@ int board_mmc_init(bd_t *bis) #endif #ifdef CONFIG_USB_EHCI - -#define GPIO_PHY_RESET 147 - -/* Reset is needed otherwise the kernel-driver will throw an error. */ -int ehci_hcd_stop(void) -{ - pr_debug("Resetting OMAP3 EHCI\n"); - gpio_set_value(GPIO_PHY_RESET, 0); - writel(OMAP_UHH_SYSCONFIG_SOFTRESET, OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG); - /* disable USB clocks */ - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - sr32(&prcm_base->iclken_usbhost, 0, 1, 0); - sr32(&prcm_base->fclken_usbhost, 0, 2, 0); - sr32(&prcm_base->iclken3_core, 2, 1, 0); - sr32(&prcm_base->fclken3_core, 2, 1, 0); - return 0; -} - /* Call usb_stop() before starting the kernel */ void show_boot_progress(int val) { if(val == 15) usb_stop(); } - -/* - * Initialize the OMAP3 EHCI controller and PHY on the BeagleBoard. - * Based on "drivers/usb/host/ehci-omap.c" from Linux 2.6.37. - * See there for additional Copyrights. - */ -int ehci_hcd_init(void) -{ - pr_debug("Initializing OMAP3 ECHI\n"); - - /* Put the PHY in RESET */ - gpio_request(GPIO_PHY_RESET, ""); - gpio_direction_output(GPIO_PHY_RESET, 0); - gpio_set_value(GPIO_PHY_RESET, 0); - - /* Hold the PHY in RESET for enough time till DIR is high */ - /* Refer: ISSUE1 */ - udelay(10); - - 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); - pr_debug("USB clocks enabled\n"); - - /* perform TLL soft reset, and wait until reset is complete */ - writel(OMAP_USBTLL_SYSCONFIG_SOFTRESET, - OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG); - /* Wait for TLL reset to complete */ - while (!(readl(OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSSTATUS) - & OMAP_USBTLL_SYSSTATUS_RESETDONE)); - pr_debug("TLL reset done\n"); - - writel(OMAP_USBTLL_SYSCONFIG_ENAWAKEUP | - OMAP_USBTLL_SYSCONFIG_SIDLEMODE | - OMAP_USBTLL_SYSCONFIG_CACTIVITY, - OMAP3_USBTLL_BASE + OMAP_USBTLL_SYSCONFIG); - - /* Put UHH in NoIdle/NoStandby mode */ - writel(OMAP_UHH_SYSCONFIG_ENAWAKEUP - | OMAP_UHH_SYSCONFIG_SIDLEMODE - | OMAP_UHH_SYSCONFIG_CACTIVITY - | OMAP_UHH_SYSCONFIG_MIDLEMODE, - OMAP3_UHH_BASE + OMAP_UHH_SYSCONFIG); - - /* setup burst configurations */ - writel(OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN - | OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN - | OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN, - OMAP3_UHH_BASE + OMAP_UHH_HOSTCONFIG); - - /* - * Refer ISSUE1: - * Hold the PHY in RESET for enough time till - * PHY is settled and ready - */ - udelay(10); - gpio_set_value(GPIO_PHY_RESET, 1); - - hccr = (struct ehci_hccr *)(OMAP3_EHCI_BASE); - hcor = (struct ehci_hcor *)(OMAP3_EHCI_BASE + 0x10); - - pr_debug("OMAP3 EHCI init done\n"); - return 0; -} - #endif /* CONFIG_USB_EHCI */ #ifndef CONFIG_SPL_BUILD |