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Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/host/ehci-fsl.c')
-rw-r--r--qemu/roms/u-boot/drivers/usb/host/ehci-fsl.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/host/ehci-fsl.c b/qemu/roms/u-boot/drivers/usb/host/ehci-fsl.c
deleted file mode 100644
index 6cb4d9866..000000000
--- a/qemu/roms/u-boot/drivers/usb/host/ehci-fsl.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * (C) Copyright 2009, 2011 Freescale Semiconductor, Inc.
- *
- * (C) Copyright 2008, Excito Elektronik i Sk=E5ne AB
- *
- * Author: Tor Krill tor@excito.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <pci.h>
-#include <usb.h>
-#include <asm/io.h>
-#include <usb/ehci-fsl.h>
-#include <hwconfig.h>
-#include <asm/fsl_errata.h>
-
-#include "ehci.h"
-
-static void set_txfifothresh(struct usb_ehci *, u32);
-
-/* Check USB PHY clock valid */
-static int usb_phy_clk_valid(struct usb_ehci *ehci)
-{
- if (!((in_be32(&ehci->control) & PHY_CLK_VALID) ||
- in_be32(&ehci->prictrl))) {
- printf("USB PHY clock invalid!\n");
- return 0;
- } else {
- return 1;
- }
-}
-
-/*
- * Create the appropriate control structures to manage
- * a new EHCI host controller.
- *
- * Excerpts from linux ehci fsl driver.
- */
-int ehci_hcd_init(int index, enum usb_init_type init,
- struct ehci_hccr **hccr, struct ehci_hcor **hcor)
-{
- struct usb_ehci *ehci = NULL;
- const char *phy_type = NULL;
- size_t len;
- char current_usb_controller[5];
-#ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
- char usb_phy[5];
-
- usb_phy[0] = '\0';
-#endif
- if (has_erratum_a007075()) {
- /*
- * A 5ms delay is needed after applying soft-reset to the
- * controller to let external ULPI phy come out of reset.
- * This delay needs to be added before re-initializing
- * the controller after soft-resetting completes
- */
- mdelay(5);
- }
- memset(current_usb_controller, '\0', 5);
- snprintf(current_usb_controller, 4, "usb%d", index+1);
-
- switch (index) {
- case 0:
- ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB1_ADDR;
- break;
- case 1:
- ehci = (struct usb_ehci *)CONFIG_SYS_FSL_USB2_ADDR;
- break;
- default:
- printf("ERROR: wrong controller index!!\n");
- break;
- };
-
- *hccr = (struct ehci_hccr *)((uint32_t)&ehci->caplength);
- *hcor = (struct ehci_hcor *)((uint32_t) *hccr +
- HC_LENGTH(ehci_readl(&(*hccr)->cr_capbase)));
-
- /* Set to Host mode */
- setbits_le32(&ehci->usbmode, CM_HOST);
-
- out_be32(&ehci->snoop1, SNOOP_SIZE_2GB);
- out_be32(&ehci->snoop2, 0x80000000 | SNOOP_SIZE_2GB);
-
- /* Init phy */
- if (hwconfig_sub(current_usb_controller, "phy_type"))
- phy_type = hwconfig_subarg(current_usb_controller,
- "phy_type", &len);
- else
- phy_type = getenv("usb_phy_type");
-
- if (!phy_type) {
-#ifdef CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
- /* if none specified assume internal UTMI */
- strcpy(usb_phy, "utmi");
- phy_type = usb_phy;
-#else
- printf("WARNING: USB phy type not defined !!\n");
- return -1;
-#endif
- }
-
- if (!strncmp(phy_type, "utmi", 4)) {
-#if defined(CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY)
- setbits_be32(&ehci->control, PHY_CLK_SEL_UTMI);
- setbits_be32(&ehci->control, UTMI_PHY_EN);
- udelay(1000); /* delay required for PHY Clk to appear */
-#endif
- out_le32(&(*hcor)->or_portsc[0], PORT_PTS_UTMI);
- setbits_be32(&ehci->control, USB_EN);
- } else {
- setbits_be32(&ehci->control, PHY_CLK_SEL_ULPI);
- clrsetbits_be32(&ehci->control, UTMI_PHY_EN, USB_EN);
- udelay(1000); /* delay required for PHY Clk to appear */
- if (!usb_phy_clk_valid(ehci))
- return -EINVAL;
- out_le32(&(*hcor)->or_portsc[0], PORT_PTS_ULPI);
- }
-
- out_be32(&ehci->prictrl, 0x0000000c);
- out_be32(&ehci->age_cnt_limit, 0x00000040);
- out_be32(&ehci->sictrl, 0x00000001);
-
- in_le32(&ehci->usbmode);
-
- if (SVR_SOC_VER(get_svr()) == SVR_T4240 &&
- IS_SVR_REV(get_svr(), 2, 0))
- set_txfifothresh(ehci, TXFIFOTHRESH);
-
- return 0;
-}
-
-/*
- * Destroy the appropriate control structures corresponding
- * the the EHCI host controller.
- */
-int ehci_hcd_stop(int index)
-{
- return 0;
-}
-
-/*
- * Setting the value of TXFIFO_THRESH field in TXFILLTUNING register
- * to counter DDR latencies in writing data into Tx buffer.
- * This prevents Tx buffer from getting underrun
- */
-static void set_txfifothresh(struct usb_ehci *ehci, u32 txfifo_thresh)
-{
- u32 cmd;
- cmd = ehci_readl(&ehci->txfilltuning);
- cmd &= ~TXFIFO_THRESH_MASK;
- cmd |= TXFIFO_THRESH(txfifo_thresh);
- ehci_writel(&ehci->txfilltuning, cmd);
-}