diff options
| author | Dan Murphy <dmurphy@ti.com> | 2013-08-26 08:54:53 -0500 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-10-20 23:42:39 +0200 |
| commit | 968055321e7dc215e20c886d1706a3936fe02b22 (patch) | |
| tree | d7c8525903e1bf9c0f38e2da00b110a6bfa4a6a4 /board/ti/omap5_uevm/evm.c | |
| parent | 2d2358ac157e6cc039cfbbbdffbf617526c099c6 (diff) | |
OMAP5-uevm: USB: Add xHCI host contoller support
Add the call back into the board file for to enable
the SMPS10 VBUS regulator.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Diffstat (limited to 'board/ti/omap5_uevm/evm.c')
| -rw-r--r-- | board/ti/omap5_uevm/evm.c | 74 |
1 files changed, 51 insertions, 23 deletions
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c index 47063309e56..5fc3473ecc2 100644 --- a/board/ti/omap5_uevm/evm.c +++ b/board/ti/omap5_uevm/evm.c @@ -14,7 +14,7 @@ #include "mux_data.h" -#ifdef CONFIG_USB_EHCI +#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) #include <usb.h> #include <asm/gpio.h> #include <asm/arch/clock.h> @@ -72,6 +72,35 @@ int board_eth_init(bd_t *bis) return 0; } +#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP) +static void enable_host_clocks(void) +{ + int auxclk; + 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)); +#ifdef CONFIG_USB_XHCI_OMAP + /* Enable the USB OTG Super speed clocks */ + setbits_le32((*prcm)->cm_l3init_usb_otg_ss_clkctrl, + (OPTFCLKEN_REFCLK960M | OTG_SS_CLKCTRL_MODULEMODE_HW)); +#endif + + auxclk = readl((*prcm)->scrm_auxclk1); + /* Request auxilary clock */ + auxclk |= AUXCLK_ENABLE_MASK; + writel(auxclk, (*prcm)->scrm_auxclk1); +} +#endif + /** * @brief misc_init_r - Configure EVM board specific configurations * such as power configurations, ethernet initialization as phase2 of @@ -84,6 +113,7 @@ int misc_init_r(void) #ifdef CONFIG_PALMAS_POWER palmas_init_settings(); #endif + return 0; } @@ -129,26 +159,9 @@ static struct omap_usbhs_board_data usbhs_bdata = { .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; int reg; uint8_t device_mac[6]; @@ -171,11 +184,6 @@ int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor) eth_setenv_enetaddr("usbethaddr", device_mac); } - 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"); @@ -203,3 +211,23 @@ void usb_hub_reset_devices(int port) } } #endif + +#ifdef CONFIG_USB_XHCI_OMAP +/** + * @brief board_usb_init - Configure EVM board specific configurations + * for the LDO's and clocks for the USB blocks. + * + * @return 0 + */ +int board_usb_init(void) +{ + int ret; +#ifdef CONFIG_PALMAS_USB_SS_PWR + ret = palmas_enable_ss_ldo(); +#endif + + enable_host_clocks(); + + return 0; +} +#endif |