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Diffstat (limited to 'arch/arm/cpu/at91-common/phy.c')
-rw-r--r--arch/arm/cpu/at91-common/phy.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/arm/cpu/at91-common/phy.c b/arch/arm/cpu/at91-common/phy.c
deleted file mode 100644
index 2cba7169e4..0000000000
--- a/arch/arm/cpu/at91-common/phy.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * (C) Copyright 2007-2008
- * Stelian Pop <stelian@popies.net>
- * Lead Tech Design <www.leadtechdesign.com>
- *
- * (C) Copyright 2012
- * Markus Hubig <mhubig@imko.de>
- * IMKO GmbH <www.imko.de>
- *
- * Copyright (C) 2013 DENX Software Engineering, hs@denx.de
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <linux/sizes.h>
-#include <asm/arch/at91_pmc.h>
-#include <asm/arch/at91_rstc.h>
-#include <watchdog.h>
-
-void at91_phy_reset(void)
-{
- unsigned long erstl;
- unsigned long start = get_timer(0);
- unsigned long const timeout = 1000; /* 1000ms */
- at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC;
-
- erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK;
-
- /*
- * Need to reset PHY -> 500ms reset
- * Reset PHY by pulling the NRST line for 500ms to low. To do so
- * disable user reset for low level on NRST pin and poll the NRST
- * level in reset status register.
- */
- writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) |
- AT91_RSTC_MR_URSTEN, &rstc->mr);
-
- writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr);
-
- /* Wait for end of hardware reset */
- while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) {
- /* avoid shutdown by watchdog */
- WATCHDOG_RESET();
- mdelay(10);
-
- /* timeout for not getting stuck in an endless loop */
- if (get_timer(start) >= timeout) {
- puts("*** ERROR: Timeout waiting for PHY reset!\n");
- break;
- }
- };
-
- /* Restore NRST value */
- writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr);
-}