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authorDan Murphy <dmurphy@ti.com>2013-08-01 14:05:59 -0500
committerMarek Vasut <marex@denx.de>2013-08-26 21:56:31 +0200
commit5e5cfaf9977e5ca563889e0689ff52ae07883745 (patch)
tree8c1b18270e9a94e8a83e5d406cb636e41034d7e0 /board/ti/omap5_uevm
parent120503f32e1dcad3069633d6319d5d6c37e65c08 (diff)
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ARM: OMAP5-uevm: Add USB ehci support for the uEVM
Add the USB ehci support for the OMAP5 uEVM. Configure the uEVM mux data Add the flags to build the appropriate modules Add the usb call backs to initialize the EHCI controller Signed-off-by: Dan Murphy <dmurphy@ti.com>
Diffstat (limited to 'board/ti/omap5_uevm')
-rw-r--r--board/ti/omap5_uevm/evm.c60
-rw-r--r--board/ti/omap5_uevm/mux_data.h4
2 files changed, 63 insertions, 1 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
diff --git a/board/ti/omap5_uevm/mux_data.h b/board/ti/omap5_uevm/mux_data.h
index 612c13e..31ce363 100644
--- a/board/ti/omap5_uevm/mux_data.h
+++ b/board/ti/omap5_uevm/mux_data.h
@@ -42,7 +42,8 @@ const struct pad_conf_entry core_padconf_array_essential[] = {
{USBD0_SS_RX, (IEN | M0)}, /* USBD0_SS_RX */
{I2C5_SCL, (IEN | M0)}, /* I2C5_SCL */
{I2C5_SDA, (IEN | M0)}, /* I2C5_SDA */
-
+ {HSI2_ACWAKE, (PTU | M6)}, /* HSI2_ACWAKE */
+ {HSI2_CAFLAG, (PTU | M6)}, /* HSI2_CAFLAG */
};
const struct pad_conf_entry wkup_padconf_array_essential[] = {
@@ -50,6 +51,7 @@ const struct pad_conf_entry wkup_padconf_array_essential[] = {
{SR_PMIC_SCL, (PTU | IEN | M0)}, /* SR_PMIC_SCL */
{SR_PMIC_SDA, (PTU | IEN | M0)}, /* SR_PMIC_SDA */
{SYS_32K, (IEN | M0)}, /* SYS_32K */
+ {FREF_CLK1_OUT, (PTD | IEN | M0)}, /* FREF_CLK1_OUT */
};