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Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/ulpi/ulpi.c')
-rw-r--r--qemu/roms/u-boot/drivers/usb/ulpi/ulpi.c245
1 files changed, 0 insertions, 245 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/ulpi/ulpi.c b/qemu/roms/u-boot/drivers/usb/ulpi/ulpi.c
deleted file mode 100644
index f3d18564b..000000000
--- a/qemu/roms/u-boot/drivers/usb/ulpi/ulpi.c
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright (C) 2011 Jana Rapava <fermata7@gmail.com>
- * Copyright (C) 2011 CompuLab, Ltd. <www.compulab.co.il>
- *
- * Authors: Jana Rapava <fermata7@gmail.com>
- * Igor Grinberg <grinberg@compulab.co.il>
- *
- * Based on:
- * linux/drivers/usb/otg/ulpi.c
- * Generic ULPI USB transceiver support
- *
- * Original Copyright follow:
- * Copyright (C) 2009 Daniel Mack <daniel@caiaq.de>
- *
- * Based on sources from
- *
- * Sascha Hauer <s.hauer@pengutronix.de>
- * Freescale Semiconductors
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <exports.h>
-#include <usb/ulpi.h>
-
-#define ULPI_ID_REGS_COUNT 4
-#define ULPI_TEST_VALUE 0x55 /* 0x55 == 0b01010101 */
-
-static struct ulpi_regs *ulpi = (struct ulpi_regs *)0;
-
-static int ulpi_integrity_check(struct ulpi_viewport *ulpi_vp)
-{
- u32 val, tval = ULPI_TEST_VALUE;
- int err, i;
-
- /* Use the 'special' test value to check all bits */
- for (i = 0; i < 2; i++, tval <<= 1) {
- err = ulpi_write(ulpi_vp, &ulpi->scratch, tval);
- if (err)
- return err;
-
- val = ulpi_read(ulpi_vp, &ulpi->scratch);
- if (val != tval) {
- printf("ULPI integrity check failed\n");
- return val;
- }
- }
-
- return 0;
-}
-
-int ulpi_init(struct ulpi_viewport *ulpi_vp)
-{
- u32 val, id = 0;
- u8 *reg = &ulpi->product_id_high;
- int i;
-
- /* Assemble ID from four ULPI ID registers (8 bits each). */
- for (i = 0; i < ULPI_ID_REGS_COUNT; i++) {
- val = ulpi_read(ulpi_vp, reg - i);
- if (val == ULPI_ERROR)
- return val;
-
- id = (id << 8) | val;
- }
-
- /* Split ID into vendor and product ID. */
- debug("ULPI transceiver ID 0x%04x:0x%04x\n", id >> 16, id & 0xffff);
-
- return ulpi_integrity_check(ulpi_vp);
-}
-
-int ulpi_select_transceiver(struct ulpi_viewport *ulpi_vp, unsigned speed)
-{
- u32 tspeed = ULPI_FC_FULL_SPEED;
- u32 val;
-
- switch (speed) {
- case ULPI_FC_HIGH_SPEED:
- case ULPI_FC_FULL_SPEED:
- case ULPI_FC_LOW_SPEED:
- case ULPI_FC_FS4LS:
- tspeed = speed;
- break;
- default:
- printf("ULPI: %s: wrong transceiver speed specified: %u, "
- "falling back to full speed\n", __func__, speed);
- }
-
- val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
- if (val == ULPI_ERROR)
- return val;
-
- /* clear the previous speed setting */
- val = (val & ~ULPI_FC_XCVRSEL_MASK) | tspeed;
-
- return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);
-}
-
-int ulpi_set_vbus(struct ulpi_viewport *ulpi_vp, int on, int ext_power)
-{
- u32 flags = ULPI_OTG_DRVVBUS;
- u8 *reg = on ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
-
- if (ext_power)
- flags |= ULPI_OTG_DRVVBUS_EXT;
-
- return ulpi_write(ulpi_vp, reg, flags);
-}
-
-int ulpi_set_vbus_indicator(struct ulpi_viewport *ulpi_vp, int external,
- int passthu, int complement)
-{
- u32 flags, val;
- u8 *reg;
-
- reg = external ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
- val = ulpi_write(ulpi_vp, reg, ULPI_OTG_EXTVBUSIND);
- if (val)
- return val;
-
- flags = passthu ? ULPI_IFACE_PASSTHRU : 0;
- flags |= complement ? ULPI_IFACE_EXTVBUS_COMPLEMENT : 0;
-
- val = ulpi_read(ulpi_vp, &ulpi->iface_ctrl);
- if (val == ULPI_ERROR)
- return val;
-
- val = val & ~(ULPI_IFACE_PASSTHRU & ULPI_IFACE_EXTVBUS_COMPLEMENT);
- val |= flags;
- val = ulpi_write(ulpi_vp, &ulpi->iface_ctrl, val);
- if (val)
- return val;
-
- return 0;
-}
-
-int ulpi_set_pd(struct ulpi_viewport *ulpi_vp, int enable)
-{
- u32 val = ULPI_OTG_DP_PULLDOWN | ULPI_OTG_DM_PULLDOWN;
- u8 *reg = enable ? &ulpi->otg_ctrl_set : &ulpi->otg_ctrl_clear;
-
- return ulpi_write(ulpi_vp, reg, val);
-}
-
-int ulpi_opmode_sel(struct ulpi_viewport *ulpi_vp, unsigned opmode)
-{
- u32 topmode = ULPI_FC_OPMODE_NORMAL;
- u32 val;
-
- switch (opmode) {
- case ULPI_FC_OPMODE_NORMAL:
- case ULPI_FC_OPMODE_NONDRIVING:
- case ULPI_FC_OPMODE_DISABLE_NRZI:
- case ULPI_FC_OPMODE_NOSYNC_NOEOP:
- topmode = opmode;
- break;
- default:
- printf("ULPI: %s: wrong OpMode specified: %u, "
- "falling back to OpMode Normal\n", __func__, opmode);
- }
-
- val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
- if (val == ULPI_ERROR)
- return val;
-
- /* clear the previous opmode setting */
- val = (val & ~ULPI_FC_OPMODE_MASK) | topmode;
-
- return ulpi_write(ulpi_vp, &ulpi->function_ctrl, val);
-}
-
-int ulpi_serial_mode_enable(struct ulpi_viewport *ulpi_vp, unsigned smode)
-{
- switch (smode) {
- case ULPI_IFACE_6_PIN_SERIAL_MODE:
- case ULPI_IFACE_3_PIN_SERIAL_MODE:
- break;
- default:
- printf("ULPI: %s: unrecognized Serial Mode specified: %u\n",
- __func__, smode);
- return ULPI_ERROR;
- }
-
- return ulpi_write(ulpi_vp, &ulpi->iface_ctrl_set, smode);
-}
-
-int ulpi_suspend(struct ulpi_viewport *ulpi_vp)
-{
- int err;
-
- err = ulpi_write(ulpi_vp, &ulpi->function_ctrl_clear,
- ULPI_FC_SUSPENDM);
- if (err)
- printf("ULPI: %s: failed writing the suspend bit\n", __func__);
-
- return err;
-}
-
-/*
- * Wait for ULPI PHY reset to complete.
- * Actual wait for reset must be done in a view port specific way,
- * because it involves checking the DIR line.
- */
-static int __ulpi_reset_wait(struct ulpi_viewport *ulpi_vp)
-{
- u32 val;
- int timeout = CONFIG_USB_ULPI_TIMEOUT;
-
- /* Wait for the RESET bit to become zero */
- while (--timeout) {
- /*
- * This function is generic and suppose to work
- * with any viewport, so we cheat here and don't check
- * for the error of ulpi_read(), if there is one, then
- * there will be a timeout.
- */
- val = ulpi_read(ulpi_vp, &ulpi->function_ctrl);
- if (!(val & ULPI_FC_RESET))
- return 0;
-
- udelay(1);
- }
-
- printf("ULPI: %s: reset timed out\n", __func__);
-
- return ULPI_ERROR;
-}
-int ulpi_reset_wait(struct ulpi_viewport *ulpi_vp)
- __attribute__((weak, alias("__ulpi_reset_wait")));
-
-int ulpi_reset(struct ulpi_viewport *ulpi_vp)
-{
- int err;
-
- err = ulpi_write(ulpi_vp,
- &ulpi->function_ctrl_set, ULPI_FC_RESET);
- if (err) {
- printf("ULPI: %s: failed writing reset bit\n", __func__);
- return err;
- }
-
- return ulpi_reset_wait(ulpi_vp);
-}