1 files changed, 0 insertions, 142 deletions
diff --git a/arch/arm/mach-at91/soc.c b/arch/arm/mach-at91/soc.c
deleted file mode 100644
index c6fda75ddb89..000000000000
--- a/arch/arm/mach-at91/soc.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/*
- * Copyright (C) 2015 Atmel
- *
- * Alexandre Belloni <alexandre.belloni@free-electrons.com
- * Boris Brezillon <boris.brezillon@free-electrons.com
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- *
- */
-
-#define pr_fmt(fmt)	"AT91: " fmt
-
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_platform.h>
-#include <linux/slab.h>
-#include <linux/sys_soc.h>
-
-#include "soc.h"
-
-#define AT91_DBGU_CIDR			0x40
-#define AT91_DBGU_EXID			0x44
-#define AT91_CHIPID_CIDR		0x00
-#define AT91_CHIPID_EXID		0x04
-#define AT91_CIDR_VERSION(x)		((x) & 0x1f)
-#define AT91_CIDR_EXT			BIT(31)
-#define AT91_CIDR_MATCH_MASK		0x7fffffe0
-
-static int __init at91_get_cidr_exid_from_dbgu(u32 *cidr, u32 *exid)
-{
-	struct device_node *np;
-	void __iomem *regs;
-
-	np = of_find_compatible_node(NULL, NULL, "atmel,at91rm9200-dbgu");
-	if (!np)
-		np = of_find_compatible_node(NULL, NULL,
-					     "atmel,at91sam9260-dbgu");
-	if (!np)
-		return -ENODEV;
-
-	regs = of_iomap(np, 0);
-	of_node_put(np);
-
-	if (!regs) {
-		pr_warn("Could not map DBGU iomem range");
-		return -ENXIO;
-	}
-
-	*cidr = readl(regs + AT91_DBGU_CIDR);
-	*exid = readl(regs + AT91_DBGU_EXID);
-
-	iounmap(regs);
-
-	return 0;
-}
-
-static int __init at91_get_cidr_exid_from_chipid(u32 *cidr, u32 *exid)
-{
-	struct device_node *np;
-	void __iomem *regs;
-
-	np = of_find_compatible_node(NULL, NULL, "atmel,sama5d2-chipid");
-	if (!np)
-		return -ENODEV;
-
-	regs = of_iomap(np, 0);
-	of_node_put(np);
-
-	if (!regs) {
-		pr_warn("Could not map DBGU iomem range");
-		return -ENXIO;
-	}
-
-	*cidr = readl(regs + AT91_CHIPID_CIDR);
-	*exid = readl(regs + AT91_CHIPID_EXID);
-
-	iounmap(regs);
-
-	return 0;
-}
-
-struct soc_device * __init at91_soc_init(const struct at91_soc *socs)
-{
-	struct soc_device_attribute *soc_dev_attr;
-	const struct at91_soc *soc;
-	struct soc_device *soc_dev;
-	u32 cidr, exid;
-	int ret;
-
-	/*
-	 * With SAMA5D2 and later SoCs, CIDR and EXID registers are no more
-	 * in the dbgu device but in the chipid device whose purpose is only
-	 * to expose these two registers.
-	 */
-	ret = at91_get_cidr_exid_from_dbgu(&cidr, &exid);
-	if (ret)
-		ret = at91_get_cidr_exid_from_chipid(&cidr, &exid);
-	if (ret) {
-		if (ret == -ENODEV)
-			pr_warn("Could not find identification node");
-		return NULL;
-	}
-
-	for (soc = socs; soc->name; soc++) {
-		if (soc->cidr_match != (cidr & AT91_CIDR_MATCH_MASK))
-			continue;
-
-		if (!(cidr & AT91_CIDR_EXT) || soc->exid_match == exid)
-			break;
-	}
-
-	if (!soc->name) {
-		pr_warn("Could not find matching SoC description\n");
-		return NULL;
-	}
-
-	soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL);
-	if (!soc_dev_attr)
-		return NULL;
-
-	soc_dev_attr->family = soc->family;
-	soc_dev_attr->soc_id = soc->name;
-	soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%X",
-					   AT91_CIDR_VERSION(cidr));
-	soc_dev = soc_device_register(soc_dev_attr);
-	if (IS_ERR(soc_dev)) {
-		kfree(soc_dev_attr->revision);
-		kfree(soc_dev_attr);
-		pr_warn("Could not register SoC device\n");
-		return NULL;
-	}
-
-	if (soc->family)
-		pr_info("Detected SoC family: %s\n", soc->family);
-	pr_info("Detected SoC: %s, revision %X\n", soc->name,
-		AT91_CIDR_VERSION(cidr));
-
-	return soc_dev;
-}