MX: set a common place to share code for Freescale i.MX

Up now only MX5 and MX6 can share code, because they have
a common source directory in cpu/armv7. Other not armv7
i.MX can profit of the same shared code. Move these files
into a directory accessible for all, similar to plat-mxc
in linux.

Signed-off-by: Stefano Babic <sbabic@denx.de>

1 files changed, 0 insertions, 99 deletions

diff --git a/arch/arm/cpu/armv7/imx-common/i2c.c b/arch/arm/cpu/armv7/imx-common/i2c.c
deleted file mode 100644
index da2b26f43f..0000000000
--- a/arch/arm/cpu/armv7/imx-common/i2c.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Copyright (C) 2012 Boundary Devices Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-#include <common.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/errno.h>
-#include <asm/gpio.h>
-#include <asm/imx-common/mxc_i2c.h>
-#include <watchdog.h>
-
-static int force_idle_bus(void *priv)
-{
-	int i;
-	int sda, scl;
-	ulong elapsed, start_time;
-	struct i2c_pads_info *p = (struct i2c_pads_info *)priv;
-	int ret = 0;
-
-	gpio_direction_input(p->sda.gp);
-	gpio_direction_input(p->scl.gp);
-
-	imx_iomux_v3_setup_pad(p->sda.gpio_mode);
-	imx_iomux_v3_setup_pad(p->scl.gpio_mode);
-
-	sda = gpio_get_value(p->sda.gp);
-	scl = gpio_get_value(p->scl.gp);
-	if ((sda & scl) == 1)
-		goto exit;		/* Bus is idle already */
-
-	printf("%s: sda=%d scl=%d sda.gp=0x%x scl.gp=0x%x\n", __func__,
-		sda, scl, p->sda.gp, p->scl.gp);
-	/* Send high and low on the SCL line */
-	for (i = 0; i < 9; i++) {
-		gpio_direction_output(p->scl.gp, 0);
-		udelay(50);
-		gpio_direction_input(p->scl.gp);
-		udelay(50);
-	}
-	start_time = get_timer(0);
-	for (;;) {
-		sda = gpio_get_value(p->sda.gp);
-		scl = gpio_get_value(p->scl.gp);
-		if ((sda & scl) == 1)
-			break;
-		WATCHDOG_RESET();
-		elapsed = get_timer(start_time);
-		if (elapsed > (CONFIG_SYS_HZ / 5)) {	/* .2 seconds */
-			ret = -EBUSY;
-			printf("%s: failed to clear bus, sda=%d scl=%d\n",
-					__func__, sda, scl);
-			break;
-		}
-	}
-exit:
-	imx_iomux_v3_setup_pad(p->sda.i2c_mode);
-	imx_iomux_v3_setup_pad(p->scl.i2c_mode);
-	return ret;
-}
-
-static void * const i2c_bases[] = {
-	(void *)I2C1_BASE_ADDR,
-	(void *)I2C2_BASE_ADDR,
-#ifdef I2C3_BASE_ADDR
-	(void *)I2C3_BASE_ADDR,
-#endif
-};
-
-/* i2c_index can be from 0 - 2 */
-void setup_i2c(unsigned i2c_index, int speed, int slave_addr,
-		struct i2c_pads_info *p)
-{
-	if (i2c_index >= ARRAY_SIZE(i2c_bases))
-		return;
-	/* Enable i2c clock */
-	enable_i2c_clk(1, i2c_index);
-	/* Make sure bus is idle */
-	force_idle_bus(p);
-	bus_i2c_init(i2c_bases[i2c_index], speed, slave_addr,
-			force_idle_bus, p);
-}