]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/ti/omap5_uevm/evm.c
board: ti: invoke clock API to enable and disable clocks
[karo-tx-uboot.git] / board / ti / omap5_uevm / evm.c
index 47063309e5698020864e641d4bf1b6eeb071e4b3..659877c8077935680fbb02458d745f881dc12013 100644 (file)
@@ -8,18 +8,26 @@
  */
 #include <common.h>
 #include <palmas.h>
+#include <asm/arch/omap.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
 #include <tca642x.h>
+#include <usb.h>
+#include <linux/usb/gadget.h>
+#include <dwc3-uboot.h>
+#include <dwc3-omap-uboot.h>
+#include <ti-usb-phy-uboot.h>
 
 #include "mux_data.h"
 
-#ifdef CONFIG_USB_EHCI
+#if defined(CONFIG_USB_EHCI) || defined(CONFIG_USB_XHCI_OMAP)
+#include <sata.h>
 #include <usb.h>
 #include <asm/gpio.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/ehci.h>
 #include <asm/ehci-omap.h>
+#include <asm/arch/sata.h>
 
 #define DIE_ID_REG_BASE     (OMAP54XX_L4_CORE_BASE + 0x2000)
 #define DIE_ID_REG_OFFSET      0x200
@@ -51,6 +59,77 @@ struct tca642x_bank_info tca642x_init[] = {
          .configuration_reg = 0x40 },
 };
 
+#ifdef CONFIG_USB_DWC3
+static struct dwc3_device usb_otg_ss = {
+       .maximum_speed = USB_SPEED_SUPER,
+       .base = OMAP5XX_USB_OTG_SS_BASE,
+       .tx_fifo_resize = false,
+       .index = 0,
+};
+
+static struct dwc3_omap_device usb_otg_ss_glue = {
+       .base = (void *)OMAP5XX_USB_OTG_SS_GLUE_BASE,
+       .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
+       .index = 0,
+};
+
+static struct ti_usb_phy_device usb_phy_device = {
+       .pll_ctrl_base = (void *)OMAP5XX_USB3_PHY_PLL_CTRL,
+       .usb2_phy_power = (void *)OMAP5XX_USB2_PHY_POWER,
+       .usb3_phy_power = (void *)OMAP5XX_USB3_PHY_POWER,
+       .index = 0,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+       if (index) {
+               printf("Invalid Controller Index\n");
+               return -EINVAL;
+       }
+
+       if (init == USB_INIT_DEVICE) {
+               usb_otg_ss.dr_mode = USB_DR_MODE_PERIPHERAL;
+               usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
+       } else {
+               usb_otg_ss.dr_mode = USB_DR_MODE_HOST;
+               usb_otg_ss_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
+       }
+
+       enable_usb_clocks(index);
+       ti_usb_phy_uboot_init(&usb_phy_device);
+       dwc3_omap_uboot_init(&usb_otg_ss_glue);
+       dwc3_uboot_init(&usb_otg_ss);
+
+       return 0;
+}
+
+int board_usb_cleanup(int index, enum usb_init_type init)
+{
+       if (index) {
+               printf("Invalid Controller Index\n");
+               return -EINVAL;
+       }
+
+       ti_usb_phy_uboot_exit(index);
+       dwc3_uboot_exit(index);
+       dwc3_omap_uboot_exit(index);
+       disable_usb_clocks(index);
+
+       return 0;
+}
+
+int usb_gadget_handle_interrupts(int index)
+{
+       u32 status;
+
+       status = dwc3_omap_uboot_interrupt_status(index);
+       if (status)
+               dwc3_uboot_handle_interrupt(index);
+
+       return 0;
+}
+#endif
+
 /**
  * @brief board_init
  *
@@ -72,6 +151,35 @@ 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
@@ -81,9 +189,21 @@ int board_eth_init(bd_t *bis)
  */
 int misc_init_r(void)
 {
+       int reg;
+       u32 id[4];
+
 #ifdef CONFIG_PALMAS_POWER
        palmas_init_settings();
 #endif
+
+       reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET;
+
+       id[0] = readl(reg);
+       id[1] = readl(reg + 0x8);
+       id[2] = readl(reg + 0xC);
+       id[3] = readl(reg + 0x10);
+       usb_fake_mac_from_die_id(id);
+
        return 0;
 }
 
@@ -100,19 +220,6 @@ void set_muxconf_regs_essential(void)
                   sizeof(struct pad_conf_entry));
 }
 
-void set_muxconf_regs_non_essential(void)
-{
-       do_set_mux((*ctrl)->control_padconf_core_base,
-                  core_padconf_array_non_essential,
-                  sizeof(core_padconf_array_non_essential) /
-                  sizeof(struct pad_conf_entry));
-
-       do_set_mux((*ctrl)->control_padconf_wkup_base,
-                  wkup_padconf_array_non_essential,
-                  sizeof(wkup_padconf_array_non_essential) /
-                  sizeof(struct pad_conf_entry));
-}
-
 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
 int board_mmc_init(bd_t *bis)
 {
@@ -129,54 +236,14 @@ 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 ehci_hcd_init(int index, enum usb_init_type init,
+               struct ehci_hccr **hccr, struct ehci_hcor **hcor)
 {
        int ret;
-       int auxclk;
-       int reg;
-       uint8_t device_mac[6];
 
        enable_host_clocks();
 
-       if (!getenv("usbethaddr")) {
-               reg = DIE_ID_REG_BASE + DIE_ID_REG_OFFSET;
-
-               /*
-                * create a fake MAC address from the processor ID code.
-                * first byte is 0x02 to signify locally administered.
-                */
-               device_mac[0] = 0x02;
-               device_mac[1] = readl(reg + 0x10) & 0xff;
-               device_mac[2] = readl(reg + 0xC) & 0xff;
-               device_mac[3] = readl(reg + 0x8) & 0xff;
-               device_mac[4] = readl(reg) & 0xff;
-               device_mac[5] = (readl(reg) >> 8) & 0xff;
-
-               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);
+       ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
        if (ret < 0) {
                puts("Failed to initialize ehci\n");
                return ret;
@@ -203,3 +270,23 @@ 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(int index, enum usb_init_type init)
+{
+       int ret;
+#ifdef CONFIG_PALMAS_USB_SS_PWR
+       ret = palmas_enable_ss_ldo();
+#endif
+
+       enable_host_clocks();
+
+       return 0;
+}
+#endif