diff options
Diffstat (limited to 'board/genesi/mx51_efikamx/efikamx-usb.c')
| -rw-r--r-- | board/genesi/mx51_efikamx/efikamx-usb.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/board/genesi/mx51_efikamx/efikamx-usb.c b/board/genesi/mx51_efikamx/efikamx-usb.c deleted file mode 100644 index 9dfd249..0000000 --- a/board/genesi/mx51_efikamx/efikamx-usb.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com> - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <usb.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux-mx51.h> -#include <asm/gpio.h> -#include <usb/ehci-fsl.h> -#include <usb/ulpi.h> -#include <errno.h> - -#include "../../../drivers/usb/host/ehci.h" - -/* - * Configure the USB H1 and USB H2 IOMUX - */ -void setup_iomux_usb(void) -{ - static const iomux_v3_cfg_t usb_h1_pads[] = { - MX51_PAD_USBH1_CLK__USBH1_CLK, - MX51_PAD_USBH1_DIR__USBH1_DIR, - MX51_PAD_USBH1_STP__USBH1_STP, - MX51_PAD_USBH1_NXT__USBH1_NXT, - MX51_PAD_USBH1_DATA0__USBH1_DATA0, - MX51_PAD_USBH1_DATA1__USBH1_DATA1, - MX51_PAD_USBH1_DATA2__USBH1_DATA2, - MX51_PAD_USBH1_DATA3__USBH1_DATA3, - MX51_PAD_USBH1_DATA4__USBH1_DATA4, - MX51_PAD_USBH1_DATA5__USBH1_DATA5, - MX51_PAD_USBH1_DATA6__USBH1_DATA6, - MX51_PAD_USBH1_DATA7__USBH1_DATA7, - }; - - static const iomux_v3_cfg_t usb_pads[] = { - MX51_PAD_EIM_D27__GPIO2_9, /* USB PHY reset */ - MX51_PAD_GPIO1_5__GPIO1_5, /* USB HUB reset */ - NEW_PAD_CTRL(MX51_PAD_EIM_A22__GPIO2_16, 0), /* WIFI /EN */ - NEW_PAD_CTRL(MX51_PAD_EIM_A16__GPIO2_10, 0), /* WIFI RESET */ - NEW_PAD_CTRL(MX51_PAD_EIM_A17__GPIO2_11, 0), /* BT /EN */ - }; - - imx_iomux_v3_setup_multiple_pads(usb_h1_pads, ARRAY_SIZE(usb_h1_pads)); - - if (machine_is_efikasb()) { - static const iomux_v3_cfg_t usb_h2_pads[] = { - MX51_PAD_EIM_A24__USBH2_CLK, - MX51_PAD_EIM_A25__USBH2_DIR, - MX51_PAD_EIM_A26__USBH2_STP, - MX51_PAD_EIM_A27__USBH2_NXT, - MX51_PAD_EIM_D16__USBH2_DATA0, - MX51_PAD_EIM_D17__USBH2_DATA1, - MX51_PAD_EIM_D18__USBH2_DATA2, - MX51_PAD_EIM_D19__USBH2_DATA3, - MX51_PAD_EIM_D20__USBH2_DATA4, - MX51_PAD_EIM_D21__USBH2_DATA5, - MX51_PAD_EIM_D22__USBH2_DATA6, - MX51_PAD_EIM_D23__USBH2_DATA7, - }; - - imx_iomux_v3_setup_multiple_pads(usb_h2_pads, - ARRAY_SIZE(usb_h2_pads)); - } - - imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads)); -} - -/* - * Enable devices connected to USB BUSes - */ -static void efika_usb_enable_devices(void) -{ - /* Enable Bluetooth */ - gpio_direction_output(IMX_GPIO_NR(2, 11), 0); - udelay(10000); - gpio_set_value(IMX_GPIO_NR(2, 11), 1); - - /* Enable WiFi */ - gpio_direction_output(IMX_GPIO_NR(2, 16), 1); - udelay(10000); - - /* Reset the WiFi chip */ - gpio_direction_output(IMX_GPIO_NR(2, 10), 0); - udelay(10000); - gpio_set_value(IMX_GPIO_NR(2, 10), 1); -} - -/* - * Reset USB HUB (or HUBs on EfikaSB) - */ -static void efika_usb_hub_reset(void) -{ - /* HUB reset */ - gpio_direction_output(IMX_GPIO_NR(1, 5), 1); - udelay(1000); - gpio_set_value(IMX_GPIO_NR(1, 5), 0); - udelay(1000); - gpio_set_value(IMX_GPIO_NR(1, 5), 1); -} - -/* - * Reset USB PHY (or PHYs on EfikaSB) - */ -static void efika_usb_phy_reset(void) -{ - /* SMSC 3317 PHY reset */ - gpio_direction_output(IMX_GPIO_NR(2, 9), 0); - udelay(1000); - gpio_set_value(IMX_GPIO_NR(2, 9), 1); -} - -static void efika_ehci_init(struct usb_ehci *ehci, uint32_t stp_gpio, - iomux_v3_cfg_t stp_pad_gpio, - iomux_v3_cfg_t stp_pad_usb) -{ - int ret; - struct ulpi_regs *ulpi = (struct ulpi_regs *)0; - struct ulpi_viewport ulpi_vp; - - imx_iomux_v3_setup_pad(stp_pad_gpio); - gpio_direction_output(stp_gpio, 0); - udelay(1000); - gpio_set_value(stp_gpio, 1); - udelay(1000); - - imx_iomux_v3_setup_pad(stp_pad_usb); - udelay(10000); - - ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint; - ulpi_vp.port_num = 0; - - ret = ulpi_init(&ulpi_vp); - if (ret) { - printf("Efika USB ULPI initialization failed\n"); - return; - } - - /* ULPI set flags */ - ulpi_write(&ulpi_vp, &ulpi->otg_ctrl, - ULPI_OTG_DP_PULLDOWN | ULPI_OTG_DM_PULLDOWN | - ULPI_OTG_EXTVBUSIND); - ulpi_write(&ulpi_vp, &ulpi->function_ctrl, - ULPI_FC_FULL_SPEED | ULPI_FC_OPMODE_NORMAL | - ULPI_FC_SUSPENDM); - ulpi_write(&ulpi_vp, &ulpi->iface_ctrl, 0); - - /* Set VBus */ - ulpi_write(&ulpi_vp, &ulpi->otg_ctrl_set, - ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); - - /* - * Set VBusChrg - * - * NOTE: This violates USB specification, but otherwise, USB on Efika - * doesn't work. - */ - ulpi_write(&ulpi_vp, &ulpi->otg_ctrl_set, ULPI_OTG_CHRGVBUS); -} - -int board_ehci_hcd_init(int port) -{ - /* Init iMX51 EHCI */ - efika_usb_phy_reset(); - efika_usb_hub_reset(); - efika_usb_enable_devices(); - - return 0; -} - -/* This overrides a weak function */ -void mx5_ehci_powerup_fixup(struct ehci_ctrl *ctrl, uint32_t *status_reg, - uint32_t *reg) -{ - uint32_t port = OTG_BASE_ADDR + (0x200 * CONFIG_MXC_USB_PORT); - struct usb_ehci *ehci = (struct usb_ehci *)port; - struct ulpi_regs *ulpi = (struct ulpi_regs *)0; - struct ulpi_viewport ulpi_vp; - - ulpi_vp.viewport_addr = (u32)&ehci->ulpi_viewpoint; - ulpi_vp.port_num = 0; - - ulpi_write(&ulpi_vp, &ulpi->otg_ctrl_set, ULPI_OTG_CHRGVBUS); - - mdelay(50); - - /* terminate the reset */ - *reg = ehci_readl(status_reg); - *reg |= EHCI_PS_PE; -} - -void board_ehci_hcd_postinit(struct usb_ehci *ehci, int port) -{ - uint32_t tmp; - - if (port == 0) { - /* Adjust UTMI PHY frequency to 24MHz */ - tmp = readl(OTG_BASE_ADDR + 0x80c); - tmp = (tmp & ~0x3) | 0x01; - writel(tmp, OTG_BASE_ADDR + 0x80c); - } else if (port == 1) { - efika_ehci_init(ehci, IMX_GPIO_NR(1, 27), - MX51_PAD_USBH1_STP__GPIO1_27, - MX51_PAD_USBH1_STP__USBH1_STP); - } else if ((port == 2) && machine_is_efikasb()) { - efika_ehci_init(ehci, IMX_GPIO_NR(2, 20), - MX51_PAD_EIM_A26__GPIO2_20, - MX51_PAD_EIM_A26__USBH2_STP); - } - - if (port) - mdelay(10); -} - -/* - * Ethernet on the Smarttop is on the USB bus. Rather than give an error about - * "CPU Net Initialization Failed", just pass this test since no other settings - * are required. Smartbook doesn't have built-in Ethernet but we will let it - * pass anyway considering someone may have plugged in a USB stick and all - * they need to do is run "usb start". - */ -int board_eth_init(bd_t *bis) -{ - return 0; -} |