diff options
Diffstat (limited to 'board/ti/omap5_uevm/evm.c')
-rw-r--r-- | board/ti/omap5_uevm/evm.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c index 81209b3..d0c5241 100644 --- a/board/ti/omap5_uevm/evm.c +++ b/board/ti/omap5_uevm/evm.c @@ -14,6 +14,13 @@ #include "mux_data.h" +#ifdef CONFIG_USB_EHCI +#include <usb.h> +#include <asm/arch/clock.h> +#include <asm/arch/ehci.h> +#include <asm/ehci-omap.h> +#endif + DECLARE_GLOBAL_DATA_PTR; const struct omap_sysinfo sysinfo = { @@ -109,3 +116,56 @@ int board_mmc_init(bd_t *bis) return 0; } #endif + +#ifdef CONFIG_USB_EHCI +static struct omap_usbhs_board_data usbhs_bdata = { + .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, + .port_mode[1] = OMAP_EHCI_PORT_MODE_HSIC, + .port_mode[2] = OMAP_EHCI_PORT_MODE_HSIC, +}; + +static void enable_host_clocks(void) +{ + int hs_clk_ctrl_val = (OPTFCLKEN_HSIC60M_P3_CLK | + OPTFCLKEN_HSIC480M_P3_CLK | + OPTFCLKEN_HSIC60M_P2_CLK | + OPTFCLKEN_HSIC480M_P2_CLK | + OPTFCLKEN_UTMI_P3_CLK | OPTFCLKEN_UTMI_P2_CLK); + + /* Enable port 2 and 3 clocks*/ + setbits_le32((*prcm)->cm_l3init_hsusbhost_clkctrl, hs_clk_ctrl_val); + + /* Enable port 2 and 3 usb host ports tll clocks*/ + setbits_le32((*prcm)->cm_l3init_hsusbtll_clkctrl, + (OPTFCLKEN_USB_CH1_CLK_ENABLE | OPTFCLKEN_USB_CH2_CLK_ENABLE)); +} + +int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) +{ + int ret; + int auxclk; + + enable_host_clocks(); + + auxclk = readl((*prcm)->scrm_auxclk1); + /* Request auxilary clock */ + auxclk |= AUXCLK_ENABLE_MASK; + writel(auxclk, (*prcm)->scrm_auxclk1); + + ret = omap_ehci_hcd_init(&usbhs_bdata, hccr, hcor); + if (ret < 0) { + puts("Failed to initialize ehci\n"); + return ret; + } + + return 0; +} + +int ehci_hcd_stop(void) +{ + int ret; + + ret = omap_ehci_hcd_stop(); + return ret; +} +#endif |