QE: Move QE from arch/powerpc to drivers/soc

ls1 has qe and ls1 has arm cpu.
move qe from arch/powerpc to drivers/soc/fsl
to adapt to powerpc and arm

Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>

1 files changed, 0 insertions, 719 deletions

diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c
deleted file mode 100644
index 88ae5c7ff4bb..000000000000
--- a/arch/powerpc/sysdev/qe_lib/qe.c
+++ /dev/null
@@ -1,719 +0,0 @@
-/*
- * Copyright (C) 2006-2010 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: 	Shlomi Gridish <gridish@freescale.com>
- * 		Li Yang <leoli@freescale.com>
- * Based on cpm2_common.c from Dan Malek (dmalek@jlc.net)
- *
- * Description:
- * General Purpose functions for the global management of the
- * QUICC Engine (QE).
- *
- * 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.
- */
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/spinlock.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/ioport.h>
-#include <linux/crc32.h>
-#include <linux/mod_devicetable.h>
-#include <linux/of_platform.h>
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/immap_qe.h>
-#include <asm/qe.h>
-#include <asm/prom.h>
-#include <asm/rheap.h>
-
-static void qe_snums_init(void);
-static int qe_sdma_init(void);
-
-static DEFINE_SPINLOCK(qe_lock);
-DEFINE_SPINLOCK(cmxgcr_lock);
-EXPORT_SYMBOL(cmxgcr_lock);
-
-/* QE snum state */
-enum qe_snum_state {
-	QE_SNUM_STATE_USED,
-	QE_SNUM_STATE_FREE
-};
-
-/* QE snum */
-struct qe_snum {
-	u8 num;
-	enum qe_snum_state state;
-};
-
-/* We allocate this here because it is used almost exclusively for
- * the communication processor devices.
- */
-struct qe_immap __iomem *qe_immr;
-EXPORT_SYMBOL(qe_immr);
-
-static struct qe_snum snums[QE_NUM_OF_SNUM];	/* Dynamically allocated SNUMs */
-static unsigned int qe_num_of_snum;
-
-static phys_addr_t qebase = -1;
-
-phys_addr_t get_qe_base(void)
-{
-	struct device_node *qe;
-	int size;
-	const u32 *prop;
-
-	if (qebase != -1)
-		return qebase;
-
-	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!qe) {
-		qe = of_find_node_by_type(NULL, "qe");
-		if (!qe)
-			return qebase;
-	}
-
-	prop = of_get_property(qe, "reg", &size);
-	if (prop && size >= sizeof(*prop))
-		qebase = of_translate_address(qe, prop);
-	of_node_put(qe);
-
-	return qebase;
-}
-
-EXPORT_SYMBOL(get_qe_base);
-
-void qe_reset(void)
-{
-	if (qe_immr == NULL)
-		qe_immr = ioremap(get_qe_base(), QE_IMMAP_SIZE);
-
-	qe_snums_init();
-
-	qe_issue_cmd(QE_RESET, QE_CR_SUBBLOCK_INVALID,
-		     QE_CR_PROTOCOL_UNSPECIFIED, 0);
-
-	/* Reclaim the MURAM memory for our use. */
-	qe_muram_init();
-
-	if (qe_sdma_init())
-		panic("sdma init failed!");
-}
-
-int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input)
-{
-	unsigned long flags;
-	u8 mcn_shift = 0, dev_shift = 0;
-	u32 ret;
-
-	spin_lock_irqsave(&qe_lock, flags);
-	if (cmd == QE_RESET) {
-		out_be32(&qe_immr->cp.cecr, (u32) (cmd | QE_CR_FLG));
-	} else {
-		if (cmd == QE_ASSIGN_PAGE) {
-			/* Here device is the SNUM, not sub-block */
-			dev_shift = QE_CR_SNUM_SHIFT;
-		} else if (cmd == QE_ASSIGN_RISC) {
-			/* Here device is the SNUM, and mcnProtocol is
-			 * e_QeCmdRiscAssignment value */
-			dev_shift = QE_CR_SNUM_SHIFT;
-			mcn_shift = QE_CR_MCN_RISC_ASSIGN_SHIFT;
-		} else {
-			if (device == QE_CR_SUBBLOCK_USB)
-				mcn_shift = QE_CR_MCN_USB_SHIFT;
-			else
-				mcn_shift = QE_CR_MCN_NORMAL_SHIFT;
-		}
-
-		out_be32(&qe_immr->cp.cecdr, cmd_input);
-		out_be32(&qe_immr->cp.cecr,
-			 (cmd | QE_CR_FLG | ((u32) device << dev_shift) | (u32)
-			  mcn_protocol << mcn_shift));
-	}
-
-	/* wait for the QE_CR_FLG to clear */
-	ret = spin_event_timeout((in_be32(&qe_immr->cp.cecr) & QE_CR_FLG) == 0,
-			   100, 0);
-	/* On timeout (e.g. failure), the expression will be false (ret == 0),
-	   otherwise it will be true (ret == 1). */
-	spin_unlock_irqrestore(&qe_lock, flags);
-
-	return ret == 1;
-}
-EXPORT_SYMBOL(qe_issue_cmd);
-
-/* Set a baud rate generator. This needs lots of work. There are
- * 16 BRGs, which can be connected to the QE channels or output
- * as clocks. The BRGs are in two different block of internal
- * memory mapped space.
- * The BRG clock is the QE clock divided by 2.
- * It was set up long ago during the initial boot phase and is
- * is given to us.
- * Baud rate clocks are zero-based in the driver code (as that maps
- * to port numbers). Documentation uses 1-based numbering.
- */
-static unsigned int brg_clk = 0;
-
-unsigned int qe_get_brg_clk(void)
-{
-	struct device_node *qe;
-	int size;
-	const u32 *prop;
-
-	if (brg_clk)
-		return brg_clk;
-
-	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!qe) {
-		qe = of_find_node_by_type(NULL, "qe");
-		if (!qe)
-			return brg_clk;
-	}
-
-	prop = of_get_property(qe, "brg-frequency", &size);
-	if (prop && size == sizeof(*prop))
-		brg_clk = *prop;
-
-	of_node_put(qe);
-
-	return brg_clk;
-}
-EXPORT_SYMBOL(qe_get_brg_clk);
-
-/* Program the BRG to the given sampling rate and multiplier
- *
- * @brg: the BRG, QE_BRG1 - QE_BRG16
- * @rate: the desired sampling rate
- * @multiplier: corresponds to the value programmed in GUMR_L[RDCR] or
- * GUMR_L[TDCR].  E.g., if this BRG is the RX clock, and GUMR_L[RDCR]=01,
- * then 'multiplier' should be 8.
- */
-int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier)
-{
-	u32 divisor, tempval;
-	u32 div16 = 0;
-
-	if ((brg < QE_BRG1) || (brg > QE_BRG16))
-		return -EINVAL;
-
-	divisor = qe_get_brg_clk() / (rate * multiplier);
-
-	if (divisor > QE_BRGC_DIVISOR_MAX + 1) {
-		div16 = QE_BRGC_DIV16;
-		divisor /= 16;
-	}
-
-	/* Errata QE_General4, which affects some MPC832x and MPC836x SOCs, says
-	   that the BRG divisor must be even if you're not using divide-by-16
-	   mode. */
-	if (!div16 && (divisor & 1) && (divisor > 3))
-		divisor++;
-
-	tempval = ((divisor - 1) << QE_BRGC_DIVISOR_SHIFT) |
-		QE_BRGC_ENABLE | div16;
-
-	out_be32(&qe_immr->brg.brgc[brg - QE_BRG1], tempval);
-
-	return 0;
-}
-EXPORT_SYMBOL(qe_setbrg);
-
-/* Convert a string to a QE clock source enum
- *
- * This function takes a string, typically from a property in the device
- * tree, and returns the corresponding "enum qe_clock" value.
-*/
-enum qe_clock qe_clock_source(const char *source)
-{
-	unsigned int i;
-
-	if (strcasecmp(source, "none") == 0)
-		return QE_CLK_NONE;
-
-	if (strncasecmp(source, "brg", 3) == 0) {
-		i = simple_strtoul(source + 3, NULL, 10);
-		if ((i >= 1) && (i <= 16))
-			return (QE_BRG1 - 1) + i;
-		else
-			return QE_CLK_DUMMY;
-	}
-
-	if (strncasecmp(source, "clk", 3) == 0) {
-		i = simple_strtoul(source + 3, NULL, 10);
-		if ((i >= 1) && (i <= 24))
-			return (QE_CLK1 - 1) + i;
-		else
-			return QE_CLK_DUMMY;
-	}
-
-	return QE_CLK_DUMMY;
-}
-EXPORT_SYMBOL(qe_clock_source);
-
-/* Initialize SNUMs (thread serial numbers) according to
- * QE Module Control chapter, SNUM table
- */
-static void qe_snums_init(void)
-{
-	int i;
-	static const u8 snum_init_76[] = {
-		0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D,
-		0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89,
-		0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9,
-		0xD8, 0xD9, 0xE8, 0xE9, 0x44, 0x45, 0x4C, 0x4D,
-		0x54, 0x55, 0x5C, 0x5D, 0x64, 0x65, 0x6C, 0x6D,
-		0x74, 0x75, 0x7C, 0x7D, 0x84, 0x85, 0x8C, 0x8D,
-		0x94, 0x95, 0x9C, 0x9D, 0xA4, 0xA5, 0xAC, 0xAD,
-		0xB4, 0xB5, 0xBC, 0xBD, 0xC4, 0xC5, 0xCC, 0xCD,
-		0xD4, 0xD5, 0xDC, 0xDD, 0xE4, 0xE5, 0xEC, 0xED,
-		0xF4, 0xF5, 0xFC, 0xFD,
-	};
-	static const u8 snum_init_46[] = {
-		0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D,
-		0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89,
-		0x98, 0x99, 0xA8, 0xA9, 0xB8, 0xB9, 0xC8, 0xC9,
-		0xD8, 0xD9, 0xE8, 0xE9, 0x08, 0x09, 0x18, 0x19,
-		0x28, 0x29, 0x38, 0x39, 0x48, 0x49, 0x58, 0x59,
-		0x68, 0x69, 0x78, 0x79, 0x80, 0x81,
-	};
-	static const u8 *snum_init;
-
-	qe_num_of_snum = qe_get_num_of_snums();
-
-	if (qe_num_of_snum == 76)
-		snum_init = snum_init_76;
-	else
-		snum_init = snum_init_46;
-
-	for (i = 0; i < qe_num_of_snum; i++) {
-		snums[i].num = snum_init[i];
-		snums[i].state = QE_SNUM_STATE_FREE;
-	}
-}
-
-int qe_get_snum(void)
-{
-	unsigned long flags;
-	int snum = -EBUSY;
-	int i;
-
-	spin_lock_irqsave(&qe_lock, flags);
-	for (i = 0; i < qe_num_of_snum; i++) {
-		if (snums[i].state == QE_SNUM_STATE_FREE) {
-			snums[i].state = QE_SNUM_STATE_USED;
-			snum = snums[i].num;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&qe_lock, flags);
-
-	return snum;
-}
-EXPORT_SYMBOL(qe_get_snum);
-
-void qe_put_snum(u8 snum)
-{
-	int i;
-
-	for (i = 0; i < qe_num_of_snum; i++) {
-		if (snums[i].num == snum) {
-			snums[i].state = QE_SNUM_STATE_FREE;
-			break;
-		}
-	}
-}
-EXPORT_SYMBOL(qe_put_snum);
-
-static int qe_sdma_init(void)
-{
-	struct sdma __iomem *sdma = &qe_immr->sdma;
-	static unsigned long sdma_buf_offset = (unsigned long)-ENOMEM;
-
-	if (!sdma)
-		return -ENODEV;
-
-	/* allocate 2 internal temporary buffers (512 bytes size each) for
-	 * the SDMA */
-	if (IS_ERR_VALUE(sdma_buf_offset)) {
-		sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
-		if (IS_ERR_VALUE(sdma_buf_offset))
-			return -ENOMEM;
-	}
-
-	out_be32(&sdma->sdebcr, (u32) sdma_buf_offset & QE_SDEBCR_BA_MASK);
- 	out_be32(&sdma->sdmr, (QE_SDMR_GLB_1_MSK |
- 					(0x1 << QE_SDMR_CEN_SHIFT)));
-
-	return 0;
-}
-
-/* The maximum number of RISCs we support */
-#define MAX_QE_RISC     4
-
-/* Firmware information stored here for qe_get_firmware_info() */
-static struct qe_firmware_info qe_firmware_info;
-
-/*
- * Set to 1 if QE firmware has been uploaded, and therefore
- * qe_firmware_info contains valid data.
- */
-static int qe_firmware_uploaded;
-
-/*
- * Upload a QE microcode
- *
- * This function is a worker function for qe_upload_firmware().  It does
- * the actual uploading of the microcode.
- */
-static void qe_upload_microcode(const void *base,
-	const struct qe_microcode *ucode)
-{
-	const __be32 *code = base + be32_to_cpu(ucode->code_offset);
-	unsigned int i;
-
-	if (ucode->major || ucode->minor || ucode->revision)
-		printk(KERN_INFO "qe-firmware: "
-			"uploading microcode '%s' version %u.%u.%u\n",
-			ucode->id, ucode->major, ucode->minor, ucode->revision);
-	else
-		printk(KERN_INFO "qe-firmware: "
-			"uploading microcode '%s'\n", ucode->id);
-
-	/* Use auto-increment */
-	out_be32(&qe_immr->iram.iadd, be32_to_cpu(ucode->iram_offset) |
-		QE_IRAM_IADD_AIE | QE_IRAM_IADD_BADDR);
-
-	for (i = 0; i < be32_to_cpu(ucode->count); i++)
-		out_be32(&qe_immr->iram.idata, be32_to_cpu(code[i]));
-	
-	/* Set I-RAM Ready Register */
-	out_be32(&qe_immr->iram.iready, be32_to_cpu(QE_IRAM_READY));
-}
-
-/*
- * Upload a microcode to the I-RAM at a specific address.
- *
- * See Documentation/powerpc/qe_firmware.txt for information on QE microcode
- * uploading.
- *
- * Currently, only version 1 is supported, so the 'version' field must be
- * set to 1.
- *
- * The SOC model and revision are not validated, they are only displayed for
- * informational purposes.
- *
- * 'calc_size' is the calculated size, in bytes, of the firmware structure and
- * all of the microcode structures, minus the CRC.
- *
- * 'length' is the size that the structure says it is, including the CRC.
- */
-int qe_upload_firmware(const struct qe_firmware *firmware)
-{
-	unsigned int i;
-	unsigned int j;
-	u32 crc;
-	size_t calc_size = sizeof(struct qe_firmware);
-	size_t length;
-	const struct qe_header *hdr;
-
-	if (!firmware) {
-		printk(KERN_ERR "qe-firmware: invalid pointer\n");
-		return -EINVAL;
-	}
-
-	hdr = &firmware->header;
-	length = be32_to_cpu(hdr->length);
-
-	/* Check the magic */
-	if ((hdr->magic[0] != 'Q') || (hdr->magic[1] != 'E') ||
-	    (hdr->magic[2] != 'F')) {
-		printk(KERN_ERR "qe-firmware: not a microcode\n");
-		return -EPERM;
-	}
-
-	/* Check the version */
-	if (hdr->version != 1) {
-		printk(KERN_ERR "qe-firmware: unsupported version\n");
-		return -EPERM;
-	}
-
-	/* Validate some of the fields */
-	if ((firmware->count < 1) || (firmware->count > MAX_QE_RISC)) {
-		printk(KERN_ERR "qe-firmware: invalid data\n");
-		return -EINVAL;
-	}
-
-	/* Validate the length and check if there's a CRC */
-	calc_size += (firmware->count - 1) * sizeof(struct qe_microcode);
-
-	for (i = 0; i < firmware->count; i++)
-		/*
-		 * For situations where the second RISC uses the same microcode
-		 * as the first, the 'code_offset' and 'count' fields will be
-		 * zero, so it's okay to add those.
-		 */
-		calc_size += sizeof(__be32) *
-			be32_to_cpu(firmware->microcode[i].count);
-
-	/* Validate the length */
-	if (length != calc_size + sizeof(__be32)) {
-		printk(KERN_ERR "qe-firmware: invalid length\n");
-		return -EPERM;
-	}
-
-	/* Validate the CRC */
-	crc = be32_to_cpu(*(__be32 *)((void *)firmware + calc_size));
-	if (crc != crc32(0, firmware, calc_size)) {
-		printk(KERN_ERR "qe-firmware: firmware CRC is invalid\n");
-		return -EIO;
-	}
-
-	/*
-	 * If the microcode calls for it, split the I-RAM.
-	 */
-	if (!firmware->split)
-		setbits16(&qe_immr->cp.cercr, QE_CP_CERCR_CIR);
-
-	if (firmware->soc.model)
-		printk(KERN_INFO
-			"qe-firmware: firmware '%s' for %u V%u.%u\n",
-			firmware->id, be16_to_cpu(firmware->soc.model),
-			firmware->soc.major, firmware->soc.minor);
-	else
-		printk(KERN_INFO "qe-firmware: firmware '%s'\n",
-			firmware->id);
-
-	/*
-	 * The QE only supports one microcode per RISC, so clear out all the
-	 * saved microcode information and put in the new.
-	 */
-	memset(&qe_firmware_info, 0, sizeof(qe_firmware_info));
-	strlcpy(qe_firmware_info.id, firmware->id, sizeof(qe_firmware_info.id));
-	qe_firmware_info.extended_modes = firmware->extended_modes;
-	memcpy(qe_firmware_info.vtraps, firmware->vtraps,
-		sizeof(firmware->vtraps));
-
-	/* Loop through each microcode. */
-	for (i = 0; i < firmware->count; i++) {
-		const struct qe_microcode *ucode = &firmware->microcode[i];
-
-		/* Upload a microcode if it's present */
-		if (ucode->code_offset)
-			qe_upload_microcode(firmware, ucode);
-
-		/* Program the traps for this processor */
-		for (j = 0; j < 16; j++) {
-			u32 trap = be32_to_cpu(ucode->traps[j]);
-
-			if (trap)
-				out_be32(&qe_immr->rsp[i].tibcr[j], trap);
-		}
-
-		/* Enable traps */
-		out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
-	}
-
-	qe_firmware_uploaded = 1;
-
-	return 0;
-}
-EXPORT_SYMBOL(qe_upload_firmware);
-
-/*
- * Get info on the currently-loaded firmware
- *
- * This function also checks the device tree to see if the boot loader has
- * uploaded a firmware already.
- */
-struct qe_firmware_info *qe_get_firmware_info(void)
-{
-	static int initialized;
-	struct property *prop;
-	struct device_node *qe;
-	struct device_node *fw = NULL;
-	const char *sprop;
-	unsigned int i;
-
-	/*
-	 * If we haven't checked yet, and a driver hasn't uploaded a firmware
-	 * yet, then check the device tree for information.
-	 */
-	if (qe_firmware_uploaded)
-		return &qe_firmware_info;
-
-	if (initialized)
-		return NULL;
-
-	initialized = 1;
-
-	/*
-	 * Newer device trees have an "fsl,qe" compatible property for the QE
-	 * node, but we still need to support older device trees.
-	*/
-	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!qe) {
-		qe = of_find_node_by_type(NULL, "qe");
-		if (!qe)
-			return NULL;
-	}
-
-	/* Find the 'firmware' child node */
-	for_each_child_of_node(qe, fw) {
-		if (strcmp(fw->name, "firmware") == 0)
-			break;
-	}
-
-	of_node_put(qe);
-
-	/* Did we find the 'firmware' node? */
-	if (!fw)
-		return NULL;
-
-	qe_firmware_uploaded = 1;
-
-	/* Copy the data into qe_firmware_info*/
-	sprop = of_get_property(fw, "id", NULL);
-	if (sprop)
-		strlcpy(qe_firmware_info.id, sprop,
-			sizeof(qe_firmware_info.id));
-
-	prop = of_find_property(fw, "extended-modes", NULL);
-	if (prop && (prop->length == sizeof(u64))) {
-		const u64 *iprop = prop->value;
-
-		qe_firmware_info.extended_modes = *iprop;
-	}
-
-	prop = of_find_property(fw, "virtual-traps", NULL);
-	if (prop && (prop->length == 32)) {
-		const u32 *iprop = prop->value;
-
-		for (i = 0; i < ARRAY_SIZE(qe_firmware_info.vtraps); i++)
-			qe_firmware_info.vtraps[i] = iprop[i];
-	}
-
-	of_node_put(fw);
-
-	return &qe_firmware_info;
-}
-EXPORT_SYMBOL(qe_get_firmware_info);
-
-unsigned int qe_get_num_of_risc(void)
-{
-	struct device_node *qe;
-	int size;
-	unsigned int num_of_risc = 0;
-	const u32 *prop;
-
-	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!qe) {
-		/* Older devices trees did not have an "fsl,qe"
-		 * compatible property, so we need to look for
-		 * the QE node by name.
-		 */
-		qe = of_find_node_by_type(NULL, "qe");
-		if (!qe)
-			return num_of_risc;
-	}
-
-	prop = of_get_property(qe, "fsl,qe-num-riscs", &size);
-	if (prop && size == sizeof(*prop))
-		num_of_risc = *prop;
-
-	of_node_put(qe);
-
-	return num_of_risc;
-}
-EXPORT_SYMBOL(qe_get_num_of_risc);
-
-unsigned int qe_get_num_of_snums(void)
-{
-	struct device_node *qe;
-	int size;
-	unsigned int num_of_snums;
-	const u32 *prop;
-
-	num_of_snums = 28; /* The default number of snum for threads is 28 */
-	qe = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!qe) {
-		/* Older devices trees did not have an "fsl,qe"
-		 * compatible property, so we need to look for
-		 * the QE node by name.
-		 */
-		qe = of_find_node_by_type(NULL, "qe");
-		if (!qe)
-			return num_of_snums;
-	}
-
-	prop = of_get_property(qe, "fsl,qe-num-snums", &size);
-	if (prop && size == sizeof(*prop)) {
-		num_of_snums = *prop;
-		if ((num_of_snums < 28) || (num_of_snums > QE_NUM_OF_SNUM)) {
-			/* No QE ever has fewer than 28 SNUMs */
-			pr_err("QE: number of snum is invalid\n");
-			of_node_put(qe);
-			return -EINVAL;
-		}
-	}
-
-	of_node_put(qe);
-
-	return num_of_snums;
-}
-EXPORT_SYMBOL(qe_get_num_of_snums);
-
-static int __init qe_init(void)
-{
-	struct device_node *np;
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!np)
-		return -ENODEV;
-	qe_reset();
-	of_node_put(np);
-	return 0;
-}
-subsys_initcall(qe_init);
-
-#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx)
-static int qe_resume(struct platform_device *ofdev)
-{
-	if (!qe_alive_during_sleep())
-		qe_reset();
-	return 0;
-}
-
-static int qe_probe(struct platform_device *ofdev)
-{
-	return 0;
-}
-
-static const struct of_device_id qe_ids[] = {
-	{ .compatible = "fsl,qe", },
-	{ },
-};
-
-static struct platform_driver qe_driver = {
-	.driver = {
-		.name = "fsl-qe",
-		.of_match_table = qe_ids,
-	},
-	.probe = qe_probe,
-	.resume = qe_resume,
-};
-
-static int __init qe_drv_init(void)
-{
-	return platform_driver_register(&qe_driver);
-}
-device_initcall(qe_drv_init);
-#endif /* defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) */