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authorDan Murphy <dmurphy@ti.com>2013-08-26 08:54:53 -0500
committerMarek Vasut <marex@denx.de>2013-10-20 23:42:39 +0200
commit968055321e7dc215e20c886d1706a3936fe02b22 (patch)
treed7c8525903e1bf9c0f38e2da00b110a6bfa4a6a4 /board/ti/omap5_uevm
parent2d2358ac157e6cc039cfbbbdffbf617526c099c6 (diff)
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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')
-rw-r--r--board/ti/omap5_uevm/evm.c74
1 files changed, 51 insertions, 23 deletions
diff --git a/board/ti/omap5_uevm/evm.c b/board/ti/omap5_uevm/evm.c
index 4706330..5fc3473 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