1 files changed, 0 insertions, 139 deletions
diff --git a/arch/arm/mach-mxs/system.c b/arch/arm/mach-mxs/system.c
deleted file mode 100644
index 30042e23bfa..00000000000
--- a/arch/arm/mach-mxs/system.c
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 1999 ARM Limited
- * Copyright (C) 2000 Deep Blue Solutions Ltd
- * Copyright 2006-2007,2010 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- * Copyright 2009 Ilya Yanok, Emcraft Systems Ltd, yanok@emcraft.com
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/err.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/module.h>
-
-#include <asm/proc-fns.h>
-#include <asm/system_misc.h>
-
-#include <mach/mxs.h>
-#include <mach/common.h>
-
-#define MX23_CLKCTRL_RESET_OFFSET	0x120
-#define MX28_CLKCTRL_RESET_OFFSET	0x1e0
-#define MXS_CLKCTRL_RESET_CHIP		(1 << 1)
-
-#define MXS_MODULE_CLKGATE		(1 << 30)
-#define MXS_MODULE_SFTRST		(1 << 31)
-
-static void __iomem *mxs_clkctrl_reset_addr;
-
-/*
- * Reset the system. It is called by machine_restart().
- */
-void mxs_restart(char mode, const char *cmd)
-{
-	/* reset the chip */
-	__mxs_setl(MXS_CLKCTRL_RESET_CHIP, mxs_clkctrl_reset_addr);
-
-	pr_err("Failed to assert the chip reset\n");
-
-	/* Delay to allow the serial port to show the message */
-	mdelay(50);
-
-	/* We'll take a jump through zero as a poor second */
-	soft_restart(0);
-}
-
-static int __init mxs_arch_reset_init(void)
-{
-	struct clk *clk;
-
-	mxs_clkctrl_reset_addr = MXS_IO_ADDRESS(MXS_CLKCTRL_BASE_ADDR) +
-				(cpu_is_mx23() ? MX23_CLKCTRL_RESET_OFFSET :
-						 MX28_CLKCTRL_RESET_OFFSET);
-
-	clk = clk_get_sys("rtc", NULL);
-	if (!IS_ERR(clk))
-		clk_prepare_enable(clk);
-
-	return 0;
-}
-core_initcall(mxs_arch_reset_init);
-
-/*
- * Clear the bit and poll it cleared.  This is usually called with
- * a reset address and mask being either SFTRST(bit 31) or CLKGATE
- * (bit 30).
- */
-static int clear_poll_bit(void __iomem *addr, u32 mask)
-{
-	int timeout = 0x400;
-
-	/* clear the bit */
-	__mxs_clrl(mask, addr);
-
-	/*
-	 * SFTRST needs 3 GPMI clocks to settle, the reference manual
-	 * recommends to wait 1us.
-	 */
-	udelay(1);
-
-	/* poll the bit becoming clear */
-	while ((__raw_readl(addr) & mask) && --timeout)
-		/* nothing */;
-
-	return !timeout;
-}
-
-int mxs_reset_block(void __iomem *reset_addr)
-{
-	int ret;
-	int timeout = 0x400;
-
-	/* clear and poll SFTRST */
-	ret = clear_poll_bit(reset_addr, MXS_MODULE_SFTRST);
-	if (unlikely(ret))
-		goto error;
-
-	/* clear CLKGATE */
-	__mxs_clrl(MXS_MODULE_CLKGATE, reset_addr);
-
-	/* set SFTRST to reset the block */
-	__mxs_setl(MXS_MODULE_SFTRST, reset_addr);
-	udelay(1);
-
-	/* poll CLKGATE becoming set */
-	while ((!(__raw_readl(reset_addr) & MXS_MODULE_CLKGATE)) && --timeout)
-		/* nothing */;
-	if (unlikely(!timeout))
-		goto error;
-
-	/* clear and poll SFTRST */
-	ret = clear_poll_bit(reset_addr, MXS_MODULE_SFTRST);
-	if (unlikely(ret))
-		goto error;
-
-	/* clear and poll CLKGATE */
-	ret = clear_poll_bit(reset_addr, MXS_MODULE_CLKGATE);
-	if (unlikely(ret))
-		goto error;
-
-	return 0;
-
-error:
-	pr_err("%s(%p): module reset timeout\n", __func__, reset_addr);
-	return -ETIMEDOUT;
-}
-EXPORT_SYMBOL(mxs_reset_block);