* Copyright (C) 2010 Freescale Semiconductor, Inc.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <usb.h>
#include <errno.h>
#include <linux/compiler.h>
-#include <usb/ehci-fsl.h>
+#include <usb/ehci-ci.h>
#include <asm/io.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
-#include <asm/arch/mx5x_pins.h>
-#include <asm/arch/iomux.h>
#include "ehci.h"
#define MXC_OTG_OFFSET 0
#define MXC_H1_OFFSET 0x200
#define MXC_H2_OFFSET 0x400
+#define MXC_H3_OFFSET 0x600
#define MXC_USBCTRL_OFFSET 0
#define MXC_USB_PHY_CTR_FUNC_OFFSET 0x8
#define MXC_USB_PHY_CTR_FUNC2_OFFSET 0xc
#define MXC_USB_CTRL_1_OFFSET 0x10
#define MXC_USBH2CTRL_OFFSET 0x14
+#define MXC_USBH3CTRL_OFFSET 0x18
/* USB_CTRL */
/* OTG wakeup intr enable */
#define MXC_OTG_UCTRL_OWIE_BIT (1 << 27)
/* OTG power mask */
#define MXC_OTG_UCTRL_OPM_BIT (1 << 24)
+/* OTG power pin polarity */
+#define MXC_OTG_UCTRL_O_PWR_POL_BIT (1 << 24)
/* Host1 ULPI interrupt enable */
#define MXC_H1_UCTRL_H1UIE_BIT (1 << 12)
/* HOST1 wakeup intr enable */
#define MXC_H1_UCTRL_H1WIE_BIT (1 << 11)
/* HOST1 power mask */
#define MXC_H1_UCTRL_H1PM_BIT (1 << 8)
+/* HOST1 power pin polarity */
+#define MXC_H1_UCTRL_H1_PWR_POL_BIT (1 << 8)
/* USB_PHY_CTRL_FUNC */
+/* OTG Polarity of Overcurrent */
+#define MXC_OTG_PHYCTRL_OC_POL_BIT (1 << 9)
/* OTG Disable Overcurrent Event */
#define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8)
+/* UH1 Polarity of Overcurrent */
+#define MXC_H1_OC_POL_BIT (1 << 6)
/* UH1 Disable Overcurrent Event */
#define MXC_H1_OC_DIS_BIT (1 << 5)
+/* OTG Power Pin Polarity */
+#define MXC_OTG_PHYCTRL_PWR_POL_BIT (1 << 3)
/* USBH2CTRL */
+#define MXC_H2_UCTRL_H2_OC_POL_BIT (1 << 31)
+#define MXC_H2_UCTRL_H2_OC_DIS_BIT (1 << 30)
#define MXC_H2_UCTRL_H2UIE_BIT (1 << 8)
#define MXC_H2_UCTRL_H2WIE_BIT (1 << 7)
#define MXC_H2_UCTRL_H2PM_BIT (1 << 4)
+#define MXC_H2_UCTRL_H2_PWR_POL_BIT (1 << 4)
+
+/* USBH3CTRL */
+#define MXC_H3_UCTRL_H3_OC_POL_BIT (1 << 31)
+#define MXC_H3_UCTRL_H3_OC_DIS_BIT (1 << 30)
+#define MXC_H3_UCTRL_H3UIE_BIT (1 << 8)
+#define MXC_H3_UCTRL_H3WIE_BIT (1 << 7)
+#define MXC_H3_UCTRL_H3_PWR_POL_BIT (1 << 4)
/* USB_CTRL_1 */
#define MXC_USB_CTRL_UH1_EXT_CLK_EN (1 << 25)
-/* USB pin configuration */
-#define USB_PAD_CONFIG (PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST | \
- PAD_CTL_DRV_HIGH | PAD_CTL_100K_PU | \
- PAD_CTL_HYS_ENABLE | PAD_CTL_PUE_PULL)
-
-#ifdef CONFIG_MX51
-/*
- * Configure the MX51 USB H1 IOMUX
- */
-void setup_iomux_usb_h1(void)
-{
- mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_CLK, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_CLK, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DIR, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DIR, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_NXT, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_NXT, USB_PAD_CONFIG);
-
- mxc_request_iomux(MX51_PIN_USBH1_DATA0, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA0, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA1, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA1, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA2, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA2, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA3, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA3, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA4, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA4, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA5, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA5, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA6, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA6, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_USBH1_DATA7, IOMUX_CONFIG_ALT0);
- mxc_iomux_set_pad(MX51_PIN_USBH1_DATA7, USB_PAD_CONFIG);
-}
-
-/*
- * Configure the MX51 USB H2 IOMUX
- */
-void setup_iomux_usb_h2(void)
-{
- mxc_request_iomux(MX51_PIN_EIM_A24, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_A24, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_A25, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_A25, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_A26, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_A26, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_A27, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_A27, USB_PAD_CONFIG);
-
- mxc_request_iomux(MX51_PIN_EIM_D16, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D16, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D17, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D18, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D18, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D19, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D19, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D20, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D20, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D21, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D22, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D22, USB_PAD_CONFIG);
- mxc_request_iomux(MX51_PIN_EIM_D23, IOMUX_CONFIG_ALT2);
- mxc_iomux_set_pad(MX51_PIN_EIM_D23, USB_PAD_CONFIG);
-}
-#endif
-
int mxc_set_usbcontrol(int port, unsigned int flags)
{
unsigned int v;
if (flags & MXC_EHCI_INTERNAL_PHY) {
v = __raw_readl(usbother_base +
MXC_USB_PHY_CTR_FUNC_OFFSET);
+ if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)
+ v |= MXC_OTG_PHYCTRL_OC_POL_BIT;
+ else
+ v &= ~MXC_OTG_PHYCTRL_OC_POL_BIT;
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ /* OC/USBPWR is used */
+ v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT;
+ else
/* OC/USBPWR is not used */
v |= MXC_OTG_PHYCTRL_OC_DIS_BIT;
+#ifdef CONFIG_MX51
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MXC_OTG_PHYCTRL_PWR_POL_BIT;
else
- /* OC/USBPWR is used */
- v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT;
+ v &= ~MXC_OTG_PHYCTRL_PWR_POL_BIT;
+#endif
__raw_writel(v, usbother_base +
MXC_USB_PHY_CTR_FUNC_OFFSET);
v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
+#ifdef CONFIG_MX51
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ v &= ~MXC_OTG_UCTRL_OPM_BIT;
+ else
v |= MXC_OTG_UCTRL_OPM_BIT;
+#endif
+#ifdef CONFIG_MX53
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MXC_OTG_UCTRL_O_PWR_POL_BIT;
else
- v &= ~MXC_OTG_UCTRL_OPM_BIT;
+ v &= ~MXC_OTG_UCTRL_O_PWR_POL_BIT;
+#endif
__raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
}
break;
#endif
v = __raw_readl(usbother_base + MXC_USBCTRL_OFFSET);
+#ifdef CONFIG_MX51
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
v &= ~MXC_H1_UCTRL_H1PM_BIT; /* H1 power mask unused */
else
v |= MXC_H1_UCTRL_H1PM_BIT; /* H1 power mask used */
+#endif
+#ifdef CONFIG_MX53
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MXC_H1_UCTRL_H1_PWR_POL_BIT;
+ else
+ v &= ~MXC_H1_UCTRL_H1_PWR_POL_BIT;
+#endif
__raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET);
v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET);
+ if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)
+ v |= MXC_H1_OC_POL_BIT;
+ else
+ v &= ~MXC_H1_OC_POL_BIT;
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */
else
break;
case 2: /* Host 2 ULPI */
v = __raw_readl(usbother_base + MXC_USBH2CTRL_OFFSET);
+#ifdef CONFIG_MX51
if (flags & MXC_EHCI_POWER_PINS_ENABLED)
v &= ~MXC_H2_UCTRL_H2PM_BIT; /* H2 power mask unused */
else
v |= MXC_H2_UCTRL_H2PM_BIT; /* H2 power mask used */
-
+#endif
+#ifdef CONFIG_MX53
+ if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)
+ v |= MXC_H2_UCTRL_H2_OC_POL_BIT;
+ else
+ v &= ~MXC_H2_UCTRL_H2_OC_POL_BIT;
+ if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ v &= ~MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is used */
+ else
+ v |= MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is not used */
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MXC_H2_UCTRL_H2_PWR_POL_BIT;
+ else
+ v &= ~MXC_H2_UCTRL_H2_PWR_POL_BIT;
+#endif
__raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET);
break;
+#ifdef CONFIG_MX53
+ case 3: /* Host 3 ULPI */
+ v = __raw_readl(usbother_base + MXC_USBH3CTRL_OFFSET);
+ if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)
+ v |= MXC_H3_UCTRL_H3_OC_POL_BIT;
+ else
+ v &= ~MXC_H3_UCTRL_H3_OC_POL_BIT;
+ if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+ v &= ~MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is used */
+ else
+ v |= MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is not used */
+ if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH)
+ v |= MXC_H3_UCTRL_H3_PWR_POL_BIT;
+ else
+ v &= ~MXC_H3_UCTRL_H3_PWR_POL_BIT;
+ __raw_writel(v, usbother_base + MXC_USBH3CTRL_OFFSET);
+ break;
+#endif
}
return ret;
}
-void __board_ehci_hcd_postinit(struct usb_ehci *ehci, int port)
+int __weak board_ehci_hcd_init(int port)
{
+ return 0;
}
-void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port)
- __attribute((weak, alias("__board_ehci_hcd_postinit")));
+void __weak board_ehci_hcd_postinit(struct usb_ehci *ehci, int port)
+{
+}
-int ehci_hcd_init(int index, struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+__weak void mx5_ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg,
+ uint32_t *reg)
{
- struct usb_ehci *ehci;
-#ifdef CONFIG_MX53
- struct clkctl *sc_regs = (struct clkctl *)CCM_BASE_ADDR;
- u32 reg;
+ mdelay(50);
+}
- reg = __raw_readl(&sc_regs->cscmr1) & ~(1 << 26);
- /* derive USB PHY clock multiplexer from PLL3 */
- reg |= 1 << 26;
- __raw_writel(reg, &sc_regs->cscmr1);
-#endif
+static const struct ehci_ops mx5_ehci_ops = {
+ .powerup_fixup = mx5_ehci_powerup_fixup,
+};
+
+int ehci_hcd_init(int index, enum usb_init_type init,
+ struct ehci_hccr **hccr, struct ehci_hcor **hcor)
+{
+ struct usb_ehci *ehci;
+ /* The only user for this is efikamx-usb */
+ ehci_set_controller_priv(index, NULL, &mx5_ehci_ops);
set_usboh3_clk();
- enable_usboh3_clk(1);
+ enable_usboh3_clk(true);
set_usb_phy_clk();
- enable_usb_phy1_clk(1);
- enable_usb_phy2_clk(1);
+ enable_usb_phy1_clk(true);
+ enable_usb_phy2_clk(true);
mdelay(1);
/* Do board specific initialization */
projects / u-boot.git / blobdiff