Merge tag 'soc-fsl-next-v5.6' of...

Merge tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers

NXP/FSL SoC driver updates for v5.6

QUICC Engine drivers
- Improve the QE drivers to be compatible with ARM/ARM64/PPC64
architectures
- Various cleanups to the QE drivers

* tag 'soc-fsl-next-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux: (49 commits)
  soc: fsl: qe: remove set but not used variable 'mm_gc'
  soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE
  soc: fsl: qe: remove unused #include of asm/irq.h from ucc.c
  net: ethernet: freescale: make UCC_GETH explicitly depend on PPC32
  net/wan/fsl_ucc_hdlc: reject muram offsets above 64K
  net/wan/fsl_ucc_hdlc: fix reading of __be16 registers
  net/wan/fsl_ucc_hdlc: avoid use of IS_ERR_VALUE()
  soc: fsl: qe: avoid IS_ERR_VALUE in ucc_fast.c
  soc: fsl: qe: drop pointless check in qe_sdma_init()
  soc: fsl: qe: drop use of IS_ERR_VALUE in qe_sdma_init()
  soc: fsl: qe: avoid IS_ERR_VALUE in ucc_slow.c
  soc: fsl: qe: refactor cpm_muram_alloc_common to prevent BUG on error path
  soc: fsl: qe: drop broken lazy call of cpm_muram_init()
  soc: fsl: qe: make cpm_muram_free() ignore a negative offset
  soc: fsl: qe: make cpm_muram_free() return void
  soc: fsl: qe: change return type of cpm_muram_alloc() to s32
  serial: ucc_uart: access __be32 field using be32_to_cpu
  serial: ucc_uart: limit brg-frequency workaround to PPC32
  serial: ucc_uart: use of_property_read_u32() in ucc_uart_probe()
  serial: ucc_uart: stub out soft_uart_init for !CONFIG_PPC32
  ...

Link: https://lore.kernel.org/r/1578608351-23289-1-git-send-email-leoyang.li@nxp.comSigned-off-by: Olof Johansson <olof@lixom.net>

arch/powerpc/include/asm/cpm.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __CPM_H
-#define __CPM_H
-
-#include <linux/compiler.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/of.h>
-#include <soc/fsl/qe/qe.h>
-
-/*
- * SPI Parameter RAM common to QE and CPM.
- */
-struct spi_pram {
-	__be16	rbase;	/* Rx Buffer descriptor base address */
-	__be16	tbase;	/* Tx Buffer descriptor base address */
-	u8	rfcr;	/* Rx function code */
-	u8	tfcr;	/* Tx function code */
-	__be16	mrblr;	/* Max receive buffer length */
-	__be32	rstate;	/* Internal */
-	__be32	rdp;	/* Internal */
-	__be16	rbptr;	/* Internal */
-	__be16	rbc;	/* Internal */
-	__be32	rxtmp;	/* Internal */
-	__be32	tstate;	/* Internal */
-	__be32	tdp;	/* Internal */
-	__be16	tbptr;	/* Internal */
-	__be16	tbc;	/* Internal */
-	__be32	txtmp;	/* Internal */
-	__be32	res;	/* Tx temp. */
-	__be16  rpbase;	/* Relocation pointer (CPM1 only) */
-	__be16	res1;	/* Reserved */
-};
-
-/*
- * USB Controller pram common to QE and CPM.
- */
-struct usb_ctlr {
-	u8	usb_usmod;
-	u8	usb_usadr;
-	u8	usb_uscom;
-	u8	res1[1];
-	__be16	usb_usep[4];
-	u8	res2[4];
-	__be16	usb_usber;
-	u8	res3[2];
-	__be16	usb_usbmr;
-	u8	res4[1];
-	u8	usb_usbs;
-	/* Fields down below are QE-only */
-	__be16	usb_ussft;
-	u8	res5[2];
-	__be16	usb_usfrn;
-	u8	res6[0x22];
-} __attribute__ ((packed));
-
-/*
- * Function code bits, usually generic to devices.
- */
-#ifdef CONFIG_CPM1
-#define CPMFCR_GBL	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
-#define CPMFCR_TC2	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
-#define CPMFCR_DTB	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
-#define CPMFCR_BDB	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
-#else
-#define CPMFCR_GBL	((u_char)0x20)	/* Set memory snooping */
-#define CPMFCR_TC2	((u_char)0x04)	/* Transfer code 2 value */
-#define CPMFCR_DTB	((u_char)0x02)	/* Use local bus for data when set */
-#define CPMFCR_BDB	((u_char)0x01)	/* Use local bus for BD when set */
-#endif
-#define CPMFCR_EB	((u_char)0x10)	/* Set big endian byte order */
-
-/* Opcodes common to CPM1 and CPM2
-*/
-#define CPM_CR_INIT_TRX		((ushort)0x0000)
-#define CPM_CR_INIT_RX		((ushort)0x0001)
-#define CPM_CR_INIT_TX		((ushort)0x0002)
-#define CPM_CR_HUNT_MODE	((ushort)0x0003)
-#define CPM_CR_STOP_TX		((ushort)0x0004)
-#define CPM_CR_GRA_STOP_TX	((ushort)0x0005)
-#define CPM_CR_RESTART_TX	((ushort)0x0006)
-#define CPM_CR_CLOSE_RX_BD	((ushort)0x0007)
-#define CPM_CR_SET_GADDR	((ushort)0x0008)
-#define CPM_CR_SET_TIMER	((ushort)0x0008)
-#define CPM_CR_STOP_IDMA	((ushort)0x000b)
-
-/* Buffer descriptors used by many of the CPM protocols. */
-typedef struct cpm_buf_desc {
-	ushort	cbd_sc;		/* Status and Control */
-	ushort	cbd_datlen;	/* Data length in buffer */
-	uint	cbd_bufaddr;	/* Buffer address in host memory */
-} cbd_t;
-
-/* Buffer descriptor control/status used by serial
- */
-
-#define BD_SC_EMPTY	(0x8000)	/* Receive is empty */
-#define BD_SC_READY	(0x8000)	/* Transmit is ready */
-#define BD_SC_WRAP	(0x2000)	/* Last buffer descriptor */
-#define BD_SC_INTRPT	(0x1000)	/* Interrupt on change */
-#define BD_SC_LAST	(0x0800)	/* Last buffer in frame */
-#define BD_SC_TC	(0x0400)	/* Transmit CRC */
-#define BD_SC_CM	(0x0200)	/* Continuous mode */
-#define BD_SC_ID	(0x0100)	/* Rec'd too many idles */
-#define BD_SC_P		(0x0100)	/* xmt preamble */
-#define BD_SC_BR	(0x0020)	/* Break received */
-#define BD_SC_FR	(0x0010)	/* Framing error */
-#define BD_SC_PR	(0x0008)	/* Parity error */
-#define BD_SC_NAK	(0x0004)	/* NAK - did not respond */
-#define BD_SC_OV	(0x0002)	/* Overrun */
-#define BD_SC_UN	(0x0002)	/* Underrun */
-#define BD_SC_CD	(0x0001)	/* */
-#define BD_SC_CL	(0x0001)	/* Collision */
-
-/* Buffer descriptor control/status used by Ethernet receive.
- * Common to SCC and FCC.
- */
-#define BD_ENET_RX_EMPTY	(0x8000)
-#define BD_ENET_RX_WRAP		(0x2000)
-#define BD_ENET_RX_INTR		(0x1000)
-#define BD_ENET_RX_LAST		(0x0800)
-#define BD_ENET_RX_FIRST	(0x0400)
-#define BD_ENET_RX_MISS		(0x0100)
-#define BD_ENET_RX_BC		(0x0080)	/* FCC Only */
-#define BD_ENET_RX_MC		(0x0040)	/* FCC Only */
-#define BD_ENET_RX_LG		(0x0020)
-#define BD_ENET_RX_NO		(0x0010)
-#define BD_ENET_RX_SH		(0x0008)
-#define BD_ENET_RX_CR		(0x0004)
-#define BD_ENET_RX_OV		(0x0002)
-#define BD_ENET_RX_CL		(0x0001)
-#define BD_ENET_RX_STATS	(0x01ff)	/* All status bits */
-
-/* Buffer descriptor control/status used by Ethernet transmit.
- * Common to SCC and FCC.
- */
-#define BD_ENET_TX_READY	(0x8000)
-#define BD_ENET_TX_PAD		(0x4000)
-#define BD_ENET_TX_WRAP		(0x2000)
-#define BD_ENET_TX_INTR		(0x1000)
-#define BD_ENET_TX_LAST		(0x0800)
-#define BD_ENET_TX_TC		(0x0400)
-#define BD_ENET_TX_DEF		(0x0200)
-#define BD_ENET_TX_HB		(0x0100)
-#define BD_ENET_TX_LC		(0x0080)
-#define BD_ENET_TX_RL		(0x0040)
-#define BD_ENET_TX_RCMASK	(0x003c)
-#define BD_ENET_TX_UN		(0x0002)
-#define BD_ENET_TX_CSL		(0x0001)
-#define BD_ENET_TX_STATS	(0x03ff)	/* All status bits */
-
-/* Buffer descriptor control/status used by Transparent mode SCC.
- */
-#define BD_SCC_TX_LAST		(0x0800)
-
-/* Buffer descriptor control/status used by I2C.
- */
-#define BD_I2C_START		(0x0400)
-
-#ifdef CONFIG_CPM
-int cpm_command(u32 command, u8 opcode);
-#else
-static inline int cpm_command(u32 command, u8 opcode)
-{
-	return -ENOSYS;
-}
-#endif /* CONFIG_CPM */
-
-int cpm2_gpiochip_add32(struct device *dev);
-
-#endif
+#include <soc/fsl/cpm.h>

arch/powerpc/platforms/83xx/km83xx.c

@@ -34,7 +34,6 @@
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include "mpc83xx.h"
 
@@ -178,7 +177,7 @@ define_machine(mpc83xx_km) {
 	.name		= "mpc83xx-km-platform",
 	.probe		= mpc83xx_km_probe,
 	.setup_arch	= mpc83xx_km_setup_arch,
-	.init_IRQ	= mpc83xx_ipic_and_qe_init_IRQ,
+	.init_IRQ	= mpc83xx_ipic_init_IRQ,
 	.get_irq	= ipic_get_irq,
 	.restart	= mpc83xx_restart,
 	.time_init	= mpc83xx_time_init,

arch/powerpc/platforms/83xx/misc.c

@@ -14,7 +14,6 @@
 #include <asm/io.h>
 #include <asm/hw_irq.h>
 #include <asm/ipic.h>
-#include <soc/fsl/qe/qe_ic.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 
@@ -91,28 +90,6 @@ void __init mpc83xx_ipic_init_IRQ(void)
 	ipic_set_default_priority();
 }
 
-#ifdef CONFIG_QUICC_ENGINE
-void __init mpc83xx_qe_init_IRQ(void)
-{
-	struct device_node *np;
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (!np) {
-		np = of_find_node_by_type(NULL, "qeic");
-		if (!np)
-			return;
-	}
-	qe_ic_init(np, 0, qe_ic_cascade_low_ipic, qe_ic_cascade_high_ipic);
-	of_node_put(np);
-}
-
-void __init mpc83xx_ipic_and_qe_init_IRQ(void)
-{
-	mpc83xx_ipic_init_IRQ();
-	mpc83xx_qe_init_IRQ();
-}
-#endif /* CONFIG_QUICC_ENGINE */
-
 static const struct of_device_id of_bus_ids[] __initconst = {
 	{ .type = "soc", },
 	{ .compatible = "soc", },

arch/powerpc/platforms/83xx/mpc832x_mds.c

@@ -33,7 +33,6 @@
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include "mpc83xx.h"
 
@@ -102,7 +101,7 @@ define_machine(mpc832x_mds) {
 	.name 		= "MPC832x MDS",
 	.probe 		= mpc832x_sys_probe,
 	.setup_arch 	= mpc832x_sys_setup_arch,
-	.init_IRQ	= mpc83xx_ipic_and_qe_init_IRQ,
+	.init_IRQ	= mpc83xx_ipic_init_IRQ,
 	.get_irq 	= ipic_get_irq,
 	.restart 	= mpc83xx_restart,
 	.time_init 	= mpc83xx_time_init,

arch/powerpc/platforms/83xx/mpc832x_rdb.c

@@ -22,7 +22,6 @@
 #include <asm/ipic.h>
 #include <asm/udbg.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 
@@ -220,7 +219,7 @@ define_machine(mpc832x_rdb) {
 	.name		= "MPC832x RDB",
 	.probe		= mpc832x_rdb_probe,
 	.setup_arch	= mpc832x_rdb_setup_arch,
-	.init_IRQ	= mpc83xx_ipic_and_qe_init_IRQ,
+	.init_IRQ	= mpc83xx_ipic_init_IRQ,
 	.get_irq	= ipic_get_irq,
 	.restart	= mpc83xx_restart,
 	.time_init	= mpc83xx_time_init,

arch/powerpc/platforms/83xx/mpc836x_mds.c

@@ -40,7 +40,6 @@
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include "mpc83xx.h"
 
@@ -202,7 +201,7 @@ define_machine(mpc836x_mds) {
 	.name		= "MPC836x MDS",
 	.probe		= mpc836x_mds_probe,
 	.setup_arch	= mpc836x_mds_setup_arch,
-	.init_IRQ	= mpc83xx_ipic_and_qe_init_IRQ,
+	.init_IRQ	= mpc83xx_ipic_init_IRQ,
 	.get_irq	= ipic_get_irq,
 	.restart	= mpc83xx_restart,
 	.time_init	= mpc83xx_time_init,

arch/powerpc/platforms/83xx/mpc836x_rdk.c

@@ -17,7 +17,6 @@
 #include <asm/ipic.h>
 #include <asm/udbg.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 
@@ -42,7 +41,7 @@ define_machine(mpc836x_rdk) {
 	.name		= "MPC836x RDK",
 	.probe		= mpc836x_rdk_probe,
 	.setup_arch	= mpc836x_rdk_setup_arch,
-	.init_IRQ	= mpc83xx_ipic_and_qe_init_IRQ,
+	.init_IRQ	= mpc83xx_ipic_init_IRQ,
 	.get_irq	= ipic_get_irq,
 	.restart	= mpc83xx_restart,
 	.time_init	= mpc83xx_time_init,

arch/powerpc/platforms/83xx/mpc83xx.h

@@ -72,13 +72,6 @@ extern int mpc837x_usb_cfg(void);
 extern int mpc834x_usb_cfg(void);
 extern int mpc831x_usb_cfg(void);
 extern void mpc83xx_ipic_init_IRQ(void);
-#ifdef CONFIG_QUICC_ENGINE
-extern void mpc83xx_qe_init_IRQ(void);
-extern void mpc83xx_ipic_and_qe_init_IRQ(void);
-#else
-static inline void __init mpc83xx_qe_init_IRQ(void) {}
-#define mpc83xx_ipic_and_qe_init_IRQ mpc83xx_ipic_init_IRQ
-#endif /* CONFIG_QUICC_ENGINE */
 
 #ifdef CONFIG_PCI
 extern void mpc83xx_setup_pci(void);

arch/powerpc/platforms/85xx/corenet_generic.c

@@ -24,7 +24,6 @@
 #include <asm/mpic.h>
 #include <asm/ehv_pic.h>
 #include <asm/swiotlb.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include <linux/of_platform.h>
 #include <sysdev/fsl_soc.h>
@@ -38,8 +37,6 @@ void __init corenet_gen_pic_init(void)
 	unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
 		MPIC_NO_RESET;
 
-	struct device_node *np;
-
 	if (ppc_md.get_irq == mpic_get_coreint_irq)
 		flags |= MPIC_ENABLE_COREINT;
 
@@ -47,13 +44,6 @@ void __init corenet_gen_pic_init(void)
 	BUG_ON(mpic == NULL);
 
 	mpic_init(mpic);
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (np) {
-		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
-				qe_ic_cascade_high_mpic);
-		of_node_put(np);
-	}
 }
 
 /*

arch/powerpc/platforms/85xx/mpc85xx_mds.c

@@ -44,7 +44,6 @@
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 #include <asm/mpic.h>
 #include <asm/swiotlb.h>
 #include "smp.h"
@@ -268,33 +267,8 @@ static void __init mpc85xx_mds_qe_init(void)
 	}
 }
 
-static void __init mpc85xx_mds_qeic_init(void)
-{
-	struct device_node *np;
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe");
-	if (!of_device_is_available(np)) {
-		of_node_put(np);
-		return;
-	}
-
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (!np) {
-		np = of_find_node_by_type(NULL, "qeic");
-		if (!np)
-			return;
-	}
-
-	if (machine_is(p1021_mds))
-		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
-				qe_ic_cascade_high_mpic);
-	else
-		qe_ic_init(np, 0, qe_ic_cascade_muxed_mpic, NULL);
-	of_node_put(np);
-}
 #else
 static void __init mpc85xx_mds_qe_init(void) { }
-static void __init mpc85xx_mds_qeic_init(void) { }
 #endif	/* CONFIG_QUICC_ENGINE */
 
 static void __init mpc85xx_mds_setup_arch(void)
@@ -364,7 +338,6 @@ static void __init mpc85xx_mds_pic_init(void)
 	BUG_ON(mpic == NULL);
 
 	mpic_init(mpic);
-	mpc85xx_mds_qeic_init();
 }
 
 static int __init mpc85xx_mds_probe(void)

arch/powerpc/platforms/85xx/mpc85xx_rdb.c

@@ -23,7 +23,6 @@
 #include <asm/udbg.h>
 #include <asm/mpic.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
@@ -44,10 +43,6 @@ void __init mpc85xx_rdb_pic_init(void)
 {
 	struct mpic *mpic;
 
-#ifdef CONFIG_QUICC_ENGINE
-	struct device_node *np;
-#endif
-
 	if (of_machine_is_compatible("fsl,MPC85XXRDB-CAMP")) {
 		mpic = mpic_alloc(NULL, 0, MPIC_NO_RESET |
 			MPIC_BIG_ENDIAN |
@@ -62,18 +57,6 @@ void __init mpc85xx_rdb_pic_init(void)
 
 	BUG_ON(mpic == NULL);
 	mpic_init(mpic);
-
-#ifdef CONFIG_QUICC_ENGINE
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (np) {
-		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
-				qe_ic_cascade_high_mpic);
-		of_node_put(np);
-
-	} else
-		pr_err("%s: Could not find qe-ic node\n", __func__);
-#endif
-
 }
 
 /*

arch/powerpc/platforms/85xx/twr_p102x.c

@@ -19,7 +19,6 @@
 #include <asm/udbg.h>
 #include <asm/mpic.h>
 #include <soc/fsl/qe/qe.h>
-#include <soc/fsl/qe/qe_ic.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/fsl_pci.h>
@@ -31,26 +30,12 @@ static void __init twr_p1025_pic_init(void)
 {
 	struct mpic *mpic;
 
-#ifdef CONFIG_QUICC_ENGINE
-	struct device_node *np;
-#endif
-
 	mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
 			MPIC_SINGLE_DEST_CPU,
 			0, 256, " OpenPIC  ");
 
 	BUG_ON(mpic == NULL);
 	mpic_init(mpic);
-
-#ifdef CONFIG_QUICC_ENGINE
-	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
-	if (np) {
-		qe_ic_init(np, 0, qe_ic_cascade_low_mpic,
-				qe_ic_cascade_high_mpic);
-		of_node_put(np);
-	} else
-		pr_err("Could not find qe-ic node\n");
-#endif
 }
 
 /* ************************************************************************

drivers/net/ethernet/freescale/Kconfig

@@ -74,7 +74,7 @@ config FSL_XGMAC_MDIO
 
 config UCC_GETH
 	tristate "Freescale QE Gigabit Ethernet"
-	depends on QUICC_ENGINE
+	depends on QUICC_ENGINE && PPC32
 	select FSL_PQ_MDIO
 	select PHYLIB
 	---help---

drivers/net/wan/fsl_ucc_hdlc.c

@@ -84,8 +84,8 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
 	int ret, i;
 	void *bd_buffer;
 	dma_addr_t bd_dma_addr;
-	u32 riptr;
-	u32 tiptr;
+	s32 riptr;
+	s32 tiptr;
 	u32 gumr;
 
 	ut_info = priv->ut_info;
@@ -195,7 +195,7 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
 	priv->ucc_pram_offset = qe_muram_alloc(sizeof(struct ucc_hdlc_param),
 				ALIGNMENT_OF_UCC_HDLC_PRAM);
 
-	if (IS_ERR_VALUE(priv->ucc_pram_offset)) {
+	if (priv->ucc_pram_offset < 0) {
 		dev_err(priv->dev, "Can not allocate MURAM for hdlc parameter.\n");
 		ret = -ENOMEM;
 		goto free_tx_bd;
@@ -233,18 +233,23 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
 
 	/* Alloc riptr, tiptr */
 	riptr = qe_muram_alloc(32, 32);
-	if (IS_ERR_VALUE(riptr)) {
+	if (riptr < 0) {
 		dev_err(priv->dev, "Cannot allocate MURAM mem for Receive internal temp data pointer\n");
 		ret = -ENOMEM;
 		goto free_tx_skbuff;
 	}
 
 	tiptr = qe_muram_alloc(32, 32);
-	if (IS_ERR_VALUE(tiptr)) {
+	if (tiptr < 0) {
 		dev_err(priv->dev, "Cannot allocate MURAM mem for Transmit internal temp data pointer\n");
 		ret = -ENOMEM;
 		goto free_riptr;
 	}
+	if (riptr != (u16)riptr || tiptr != (u16)tiptr) {
+		dev_err(priv->dev, "MURAM allocation out of addressable range\n");
+		ret = -ENOMEM;
+		goto free_tiptr;
+	}
 
 	/* Set RIPTR, TIPTR */
 	iowrite16be(riptr, &priv->ucc_pram->riptr);
@@ -623,7 +628,7 @@ static int ucc_hdlc_poll(struct napi_struct *napi, int budget)
 
 	if (howmany < budget) {
 		napi_complete_done(napi, howmany);
-		qe_setbits32(priv->uccf->p_uccm,
+		qe_setbits_be32(priv->uccf->p_uccm,
 				(UCCE_HDLC_RX_EVENTS | UCCE_HDLC_TX_EVENTS) << 16);
 	}
 
@@ -732,8 +737,8 @@ static int uhdlc_open(struct net_device *dev)
 
 static void uhdlc_memclean(struct ucc_hdlc_private *priv)
 {
-	qe_muram_free(priv->ucc_pram->riptr);
-	qe_muram_free(priv->ucc_pram->tiptr);
+	qe_muram_free(ioread16be(&priv->ucc_pram->riptr));
+	qe_muram_free(ioread16be(&priv->ucc_pram->tiptr));
 
 	if (priv->rx_bd_base) {
 		dma_free_coherent(priv->dev,

drivers/net/wan/fsl_ucc_hdlc.h

@@ -98,7 +98,7 @@ struct ucc_hdlc_private {
 
 	unsigned short tx_ring_size;
 	unsigned short rx_ring_size;
-	u32 ucc_pram_offset;
+	s32 ucc_pram_offset;
 
 	unsigned short encoding;
 	unsigned short parity;

drivers/soc/fsl/qe/Kconfig

@@ -5,7 +5,8 @@
 
 config QUICC_ENGINE
 	bool "QUICC Engine (QE) framework support"
-	depends on FSL_SOC && PPC32
+	depends on OF && HAS_IOMEM
+	depends on PPC || ARM || ARM64 || COMPILE_TEST
 	select GENERIC_ALLOCATOR
 	select CRC32
 	help

drivers/soc/fsl/qe/gpio.c

@@ -41,13 +41,13 @@ static void qe_gpio_save_regs(struct of_mm_gpio_chip *mm_gc)
 		container_of(mm_gc, struct qe_gpio_chip, mm_gc);
 	struct qe_pio_regs __iomem *regs = mm_gc->regs;
 
-	qe_gc->cpdata = in_be32(&regs->cpdata);
+	qe_gc->cpdata = qe_ioread32be(&regs->cpdata);
 	qe_gc->saved_regs.cpdata = qe_gc->cpdata;
-	qe_gc->saved_regs.cpdir1 = in_be32(&regs->cpdir1);
-	qe_gc->saved_regs.cpdir2 = in_be32(&regs->cpdir2);
-	qe_gc->saved_regs.cppar1 = in_be32(&regs->cppar1);
-	qe_gc->saved_regs.cppar2 = in_be32(&regs->cppar2);
-	qe_gc->saved_regs.cpodr = in_be32(&regs->cpodr);
+	qe_gc->saved_regs.cpdir1 = qe_ioread32be(&regs->cpdir1);
+	qe_gc->saved_regs.cpdir2 = qe_ioread32be(&regs->cpdir2);
+	qe_gc->saved_regs.cppar1 = qe_ioread32be(&regs->cppar1);
+	qe_gc->saved_regs.cppar2 = qe_ioread32be(&regs->cppar2);
+	qe_gc->saved_regs.cpodr = qe_ioread32be(&regs->cpodr);
 }
 
 static int qe_gpio_get(struct gpio_chip *gc, unsigned int gpio)
@@ -56,7 +56,7 @@ static int qe_gpio_get(struct gpio_chip *gc, unsigned int gpio)
 	struct qe_pio_regs __iomem *regs = mm_gc->regs;
 	u32 pin_mask = 1 << (QE_PIO_PINS - 1 - gpio);
 
-	return !!(in_be32(&regs->cpdata) & pin_mask);
+	return !!(qe_ioread32be(&regs->cpdata) & pin_mask);
 }
 
 static void qe_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
@@ -74,7 +74,7 @@ static void qe_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
 	else
 		qe_gc->cpdata &= ~pin_mask;
 
-	out_be32(&regs->cpdata, qe_gc->cpdata);
+	qe_iowrite32be(qe_gc->cpdata, &regs->cpdata);
 
 	spin_unlock_irqrestore(&qe_gc->lock, flags);
 }
@@ -101,7 +101,7 @@ static void qe_gpio_set_multiple(struct gpio_chip *gc,
 		}
 	}
 
-	out_be32(&regs->cpdata, qe_gc->cpdata);
+	qe_iowrite32be(qe_gc->cpdata, &regs->cpdata);
 
 	spin_unlock_irqrestore(&qe_gc->lock, flags);
 }
@@ -160,7 +160,6 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index)
 {
 	struct qe_pin *qe_pin;
 	struct gpio_chip *gc;
-	struct of_mm_gpio_chip *mm_gc;
 	struct qe_gpio_chip *qe_gc;
 	int err;
 	unsigned long flags;
@@ -186,7 +185,6 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index)
 		goto err0;
 	}
 
-	mm_gc = to_of_mm_gpio_chip(gc);
 	qe_gc = gpiochip_get_data(gc);
 
 	spin_lock_irqsave(&qe_gc->lock, flags);
@@ -255,11 +253,15 @@ void qe_pin_set_dedicated(struct qe_pin *qe_pin)
 	spin_lock_irqsave(&qe_gc->lock, flags);
 
 	if (second_reg) {
-		clrsetbits_be32(&regs->cpdir2, mask2, sregs->cpdir2 & mask2);
-		clrsetbits_be32(&regs->cppar2, mask2, sregs->cppar2 & mask2);
+		qe_clrsetbits_be32(&regs->cpdir2, mask2,
+				   sregs->cpdir2 & mask2);
+		qe_clrsetbits_be32(&regs->cppar2, mask2,
+				   sregs->cppar2 & mask2);
 	} else {
-		clrsetbits_be32(&regs->cpdir1, mask2, sregs->cpdir1 & mask2);
-		clrsetbits_be32(&regs->cppar1, mask2, sregs->cppar1 & mask2);
+		qe_clrsetbits_be32(&regs->cpdir1, mask2,
+				   sregs->cpdir1 & mask2);
+		qe_clrsetbits_be32(&regs->cppar1, mask2,
+				   sregs->cppar1 & mask2);
 	}
 
 	if (sregs->cpdata & mask1)
@@ -267,8 +269,8 @@ void qe_pin_set_dedicated(struct qe_pin *qe_pin)
 	else
 		qe_gc->cpdata &= ~mask1;
 
-	out_be32(&regs->cpdata, qe_gc->cpdata);
-	clrsetbits_be32(&regs->cpodr, mask1, sregs->cpodr & mask1);
+	qe_iowrite32be(qe_gc->cpdata, &regs->cpdata);
+	qe_clrsetbits_be32(&regs->cpodr, mask1, sregs->cpodr & mask1);
 
 	spin_unlock_irqrestore(&qe_gc->lock, flags);
 }

drivers/soc/fsl/qe/qe.c

@@ -22,16 +22,12 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/ioport.h>
+#include <linux/iopoll.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 <soc/fsl/qe/immap_qe.h>
 #include <soc/fsl/qe/qe.h>
-#include <asm/prom.h>
-#include <asm/rheap.h>
 
 static void qe_snums_init(void);
 static int qe_sdma_init(void);
@@ -108,11 +104,12 @@ 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;
+	u32 val;
+	int ret;
 
 	spin_lock_irqsave(&qe_lock, flags);
 	if (cmd == QE_RESET) {
-		out_be32(&qe_immr->cp.cecr, (u32) (cmd | QE_CR_FLG));
+		qe_iowrite32be((u32)(cmd | QE_CR_FLG), &qe_immr->cp.cecr);
 	} else {
 		if (cmd == QE_ASSIGN_PAGE) {
 			/* Here device is the SNUM, not sub-block */
@@ -129,20 +126,18 @@ int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input)
 				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));
+		qe_iowrite32be(cmd_input, &qe_immr->cp.cecdr);
+		qe_iowrite32be((cmd | QE_CR_FLG | ((u32)device << dev_shift) | (u32)mcn_protocol << mcn_shift),
+			       &qe_immr->cp.cecr);
 	}
 
 	/* 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). */
+	ret = readx_poll_timeout_atomic(qe_ioread32be, &qe_immr->cp.cecr, val,
+					(val & QE_CR_FLG) == 0, 0, 100);
+	/* On timeout, ret is -ETIMEDOUT, otherwise it will be 0. */
 	spin_unlock_irqrestore(&qe_lock, flags);
 
-	return ret == 1;
+	return ret == 0;
 }
 EXPORT_SYMBOL(qe_issue_cmd);
 
@@ -164,8 +159,7 @@ static unsigned int brg_clk = 0;
 unsigned int qe_get_brg_clk(void)
 {
 	struct device_node *qe;
-	int size;
-	const u32 *prop;
+	u32 brg;
 	unsigned int mod;
 
 	if (brg_clk)
@@ -175,9 +169,8 @@ unsigned int qe_get_brg_clk(void)
 	if (!qe)
 		return brg_clk;
 
-	prop = of_get_property(qe, "brg-frequency", &size);
-	if (prop && size == sizeof(*prop))
-		brg_clk = *prop;
+	if (!of_property_read_u32(qe, "brg-frequency", &brg))
+		brg_clk = brg;
 
 	of_node_put(qe);
 
@@ -197,6 +190,14 @@ EXPORT_SYMBOL(qe_get_brg_clk);
 #define PVR_VER_836x	0x8083
 #define PVR_VER_832x	0x8084
 
+static bool qe_general4_errata(void)
+{
+#ifdef CONFIG_PPC32
+	return pvr_version_is(PVR_VER_836x) || pvr_version_is(PVR_VER_832x);
+#endif
+	return false;
+}
+
 /* Program the BRG to the given sampling rate and multiplier
  *
  * @brg: the BRG, QE_BRG1 - QE_BRG16
@@ -223,14 +224,14 @@ int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier)
 	/* 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 (pvr_version_is(PVR_VER_836x) || pvr_version_is(PVR_VER_832x))
+	if (qe_general4_errata())
 		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);
+	qe_iowrite32be(tempval, &qe_immr->brg.brgc[brg - QE_BRG1]);
 
 	return 0;
 }
@@ -364,22 +365,20 @@ 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;
+	static s32 sdma_buf_offset = -ENOMEM;
 
 	/* allocate 2 internal temporary buffers (512 bytes size each) for
 	 * the SDMA */
-	if (IS_ERR_VALUE(sdma_buf_offset)) {
+	if (sdma_buf_offset < 0) {
 		sdma_buf_offset = qe_muram_alloc(512 * 2, 4096);
-		if (IS_ERR_VALUE(sdma_buf_offset))
+		if (sdma_buf_offset < 0)
 			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)));
+	qe_iowrite32be((u32)sdma_buf_offset & QE_SDEBCR_BA_MASK,
+		       &sdma->sdebcr);
+	qe_iowrite32be((QE_SDMR_GLB_1_MSK | (0x1 << QE_SDMR_CEN_SHIFT)),
+		       &sdma->sdmr);
 
 	return 0;
 }
@@ -417,14 +416,14 @@ static void qe_upload_microcode(const void *base,
 			"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);
+	qe_iowrite32be(be32_to_cpu(ucode->iram_offset) | QE_IRAM_IADD_AIE | QE_IRAM_IADD_BADDR,
+		       &qe_immr->iram.iadd);
 
 	for (i = 0; i < be32_to_cpu(ucode->count); i++)
-		out_be32(&qe_immr->iram.idata, be32_to_cpu(code[i]));
+		qe_iowrite32be(be32_to_cpu(code[i]), &qe_immr->iram.idata);
 	
 	/* Set I-RAM Ready Register */
-	out_be32(&qe_immr->iram.iready, be32_to_cpu(QE_IRAM_READY));
+	qe_iowrite32be(be32_to_cpu(QE_IRAM_READY), &qe_immr->iram.iready);
 }
 
 /*
@@ -509,7 +508,7 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
 	 * If the microcode calls for it, split the I-RAM.
 	 */
 	if (!firmware->split)
-		setbits16(&qe_immr->cp.cercr, QE_CP_CERCR_CIR);
+		qe_setbits_be16(&qe_immr->cp.cercr, QE_CP_CERCR_CIR);
 
 	if (firmware->soc.model)
 		printk(KERN_INFO
@@ -543,11 +542,13 @@ int qe_upload_firmware(const struct qe_firmware *firmware)
 			u32 trap = be32_to_cpu(ucode->traps[j]);
 
 			if (trap)
-				out_be32(&qe_immr->rsp[i].tibcr[j], trap);
+				qe_iowrite32be(trap,
+					       &qe_immr->rsp[i].tibcr[j]);
 		}
 
 		/* Enable traps */
-		out_be32(&qe_immr->rsp[i].eccr, be32_to_cpu(ucode->eccr));
+		qe_iowrite32be(be32_to_cpu(ucode->eccr),
+			       &qe_immr->rsp[i].eccr);
 	}
 
 	qe_firmware_uploaded = 1;
@@ -565,11 +566,9 @@ EXPORT_SYMBOL(qe_upload_firmware);
 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
@@ -603,20 +602,11 @@ struct qe_firmware_info *qe_get_firmware_info(void)
 		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;
-	}
+	of_property_read_u64(fw, "extended-modes",
+			     &qe_firmware_info.extended_modes);
 
-	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_property_read_u32_array(fw, "virtual-traps", qe_firmware_info.vtraps,
+				   ARRAY_SIZE(qe_firmware_info.vtraps));
 
 	of_node_put(fw);
 
@@ -627,17 +617,13 @@ 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 = qe_get_device_node();
 	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_property_read_u32(qe, "fsl,qe-num-riscs", &num_of_risc);
 
 	of_node_put(qe);
 

drivers/soc/fsl/qe/qe_common.c

@@ -32,7 +32,7 @@ static phys_addr_t muram_pbase;
 
 struct muram_block {
 	struct list_head head;
-	unsigned long start;
+	s32 start;
 	int size;
 };
 
@@ -110,34 +110,30 @@ int cpm_muram_init(void)
  * @algo: algorithm for alloc.
  * @data: data for genalloc's algorithm.
  *
- * This function returns an offset into the muram area.
+ * This function returns a non-negative offset into the muram area, or
+ * a negative errno on failure.
  */
-static unsigned long cpm_muram_alloc_common(unsigned long size,
+static s32 cpm_muram_alloc_common(unsigned long size,
 				  genpool_algo_t algo, void *data)
 {
 	struct muram_block *entry;
-	unsigned long start;
-
-	if (!muram_pool && cpm_muram_init())
-		goto out2;
+	s32 start;
 
+	entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
+	if (!entry)
+		return -ENOMEM;
 	start = gen_pool_alloc_algo(muram_pool, size, algo, data);
-	if (!start)
-		goto out2;
+	if (!start) {
+		kfree(entry);
+		return -ENOMEM;
+	}
 	start = start - GENPOOL_OFFSET;
 	memset_io(cpm_muram_addr(start), 0, size);
-	entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
-	if (!entry)
-		goto out1;
 	entry->start = start;
 	entry->size = size;
 	list_add(&entry->head, &muram_block_list);
 
 	return start;
-out1:
-	gen_pool_free(muram_pool, start, size);
-out2:
-	return (unsigned long)-ENOMEM;
 }
 
 /*
@@ -145,13 +141,14 @@ static unsigned long cpm_muram_alloc_common(unsigned long size,
  * @size: number of bytes to allocate
  * @align: requested alignment, in bytes
  *
- * This function returns an offset into the muram area.
+ * This function returns a non-negative offset into the muram area, or
+ * a negative errno on failure.
  * Use cpm_dpram_addr() to get the virtual address of the area.
  * Use cpm_muram_free() to free the allocation.
  */
-unsigned long cpm_muram_alloc(unsigned long size, unsigned long align)
+s32 cpm_muram_alloc(unsigned long size, unsigned long align)
 {
-	unsigned long start;
+	s32 start;
 	unsigned long flags;
 	struct genpool_data_align muram_pool_data;
 
@@ -168,12 +165,15 @@ EXPORT_SYMBOL(cpm_muram_alloc);
  * cpm_muram_free - free a chunk of multi-user ram
  * @offset: The beginning of the chunk as returned by cpm_muram_alloc().
  */
-int cpm_muram_free(unsigned long offset)
+void cpm_muram_free(s32 offset)
 {
 	unsigned long flags;
 	int size;
 	struct muram_block *tmp;
 
+	if (offset < 0)
+		return;
+
 	size = 0;
 	spin_lock_irqsave(&cpm_muram_lock, flags);
 	list_for_each_entry(tmp, &muram_block_list, head) {
@@ -186,7 +186,6 @@ int cpm_muram_free(unsigned long offset)
 	}
 	gen_pool_free(muram_pool, offset + GENPOOL_OFFSET, size);
 	spin_unlock_irqrestore(&cpm_muram_lock, flags);
-	return size;
 }
 EXPORT_SYMBOL(cpm_muram_free);
 
@@ -194,13 +193,14 @@ EXPORT_SYMBOL(cpm_muram_free);
  * cpm_muram_alloc_fixed - reserve a specific region of multi-user ram
  * @offset: offset of allocation start address
  * @size: number of bytes to allocate
- * This function returns an offset into the muram area
+ * This function returns @offset if the area was available, a negative
+ * errno otherwise.
  * Use cpm_dpram_addr() to get the virtual address of the area.
  * Use cpm_muram_free() to free the allocation.
  */
-unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size)
+s32 cpm_muram_alloc_fixed(unsigned long offset, unsigned long size)
 {
-	unsigned long start;
+	s32 start;
 	unsigned long flags;
 	struct genpool_data_fixed muram_pool_data_fixed;
 

drivers/soc/fsl/qe/qe_ic.c

@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/errno.h>
+#include <linux/irq.h>
 #include <linux/reboot.h>
 #include <linux/slab.h>
 #include <linux/stddef.h>
@@ -24,9 +25,57 @@
 #include <linux/spinlock.h>
 #include <asm/irq.h>
 #include <asm/io.h>
-#include <soc/fsl/qe/qe_ic.h>
+#include <soc/fsl/qe/qe.h>
+
+#define NR_QE_IC_INTS		64
+
+/* QE IC registers offset */
+#define QEIC_CICR		0x00
+#define QEIC_CIVEC		0x04
+#define QEIC_CIPXCC		0x10
+#define QEIC_CIPYCC		0x14
+#define QEIC_CIPWCC		0x18
+#define QEIC_CIPZCC		0x1c
+#define QEIC_CIMR		0x20
+#define QEIC_CRIMR		0x24
+#define QEIC_CIPRTA		0x30
+#define QEIC_CIPRTB		0x34
+#define QEIC_CHIVEC		0x60
+
+struct qe_ic {
+	/* Control registers offset */
+	u32 __iomem *regs;
+
+	/* The remapper for this QEIC */
+	struct irq_domain *irqhost;
+
+	/* The "linux" controller struct */
+	struct irq_chip hc_irq;
+
+	/* VIRQ numbers of QE high/low irqs */
+	unsigned int virq_high;
+	unsigned int virq_low;
+};
 
-#include "qe_ic.h"
+/*
+ * QE interrupt controller internal structure
+ */
+struct qe_ic_info {
+	/* Location of this source at the QIMR register */
+	u32	mask;
+
+	/* Mask register offset */
+	u32	mask_reg;
+
+	/*
+	 * For grouped interrupts sources - the interrupt code as
+	 * appears at the group priority register
+	 */
+	u8	pri_code;
+
+	/* Group priority register offset */
+	u32	pri_reg;
+};
 
 static DEFINE_RAW_SPINLOCK(qe_ic_lock);
 
@@ -171,15 +220,15 @@ static struct qe_ic_info qe_ic_info[] = {
 		},
 };
 
-static inline u32 qe_ic_read(volatile __be32  __iomem * base, unsigned int reg)
+static inline u32 qe_ic_read(__be32  __iomem *base, unsigned int reg)
 {
-	return in_be32(base + (reg >> 2));
+	return qe_ioread32be(base + (reg >> 2));
 }
 
-static inline void qe_ic_write(volatile __be32  __iomem * base, unsigned int reg,
+static inline void qe_ic_write(__be32  __iomem *base, unsigned int reg,
 			       u32 value)
 {
-	out_be32(base + (reg >> 2), value);
+	qe_iowrite32be(value, base + (reg >> 2));
 }
 
 static inline struct qe_ic *qe_ic_from_irq(unsigned int virq)
@@ -281,8 +330,8 @@ static const struct irq_domain_ops qe_ic_host_ops = {
 	.xlate = irq_domain_xlate_onetwocell,
 };
 
-/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
-unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
+/* Return an interrupt vector or 0 if no interrupt is pending. */
+static unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
 {
 	int irq;
 
@@ -292,13 +341,13 @@ unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
 	irq = qe_ic_read(qe_ic->regs, QEIC_CIVEC) >> 26;
 
 	if (irq == 0)
-		return NO_IRQ;
+		return 0;
 
 	return irq_linear_revmap(qe_ic->irqhost, irq);
 }
 
-/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
-unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
+/* Return an interrupt vector or 0 if no interrupt is pending. */
+static unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
 {
 	int irq;
 
@@ -308,18 +357,60 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
 	irq = qe_ic_read(qe_ic->regs, QEIC_CHIVEC) >> 26;
 
 	if (irq == 0)
-		return NO_IRQ;
+		return 0;
 
 	return irq_linear_revmap(qe_ic->irqhost, irq);
 }
 
-void __init qe_ic_init(struct device_node *node, unsigned int flags,
-		       void (*low_handler)(struct irq_desc *desc),
-		       void (*high_handler)(struct irq_desc *desc))
+static void qe_ic_cascade_low(struct irq_desc *desc)
 {
+	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
+	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
+
+	if (cascade_irq != 0)
+		generic_handle_irq(cascade_irq);
+
+	if (chip->irq_eoi)
+		chip->irq_eoi(&desc->irq_data);
+}
+
+static void qe_ic_cascade_high(struct irq_desc *desc)
+{
+	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
+	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
+
+	if (cascade_irq != 0)
+		generic_handle_irq(cascade_irq);
+
+	if (chip->irq_eoi)
+		chip->irq_eoi(&desc->irq_data);
+}
+
+static void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
+{
+	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
+	unsigned int cascade_irq;
+	struct irq_chip *chip = irq_desc_get_chip(desc);
+
+	cascade_irq = qe_ic_get_high_irq(qe_ic);
+	if (cascade_irq == 0)
+		cascade_irq = qe_ic_get_low_irq(qe_ic);
+
+	if (cascade_irq != 0)
+		generic_handle_irq(cascade_irq);
+
+	chip->irq_eoi(&desc->irq_data);
+}
+
+static void __init qe_ic_init(struct device_node *node)
+{
+	void (*low_handler)(struct irq_desc *desc);
+	void (*high_handler)(struct irq_desc *desc);
 	struct qe_ic *qe_ic;
 	struct resource res;
-	u32 temp = 0, ret, high_active = 0;
+	u32 ret;
 
 	ret = of_address_to_resource(node, 0, &res);
 	if (ret)
@@ -343,166 +434,42 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags,
 	qe_ic->virq_high = irq_of_parse_and_map(node, 0);
 	qe_ic->virq_low = irq_of_parse_and_map(node, 1);
 
-	if (qe_ic->virq_low == NO_IRQ) {
+	if (!qe_ic->virq_low) {
 		printk(KERN_ERR "Failed to map QE_IC low IRQ\n");
 		kfree(qe_ic);
 		return;
 	}
-
-	/* default priority scheme is grouped. If spread mode is    */
-	/* required, configure cicr accordingly.                    */
-	if (flags & QE_IC_SPREADMODE_GRP_W)
-		temp |= CICR_GWCC;
-	if (flags & QE_IC_SPREADMODE_GRP_X)
-		temp |= CICR_GXCC;
-	if (flags & QE_IC_SPREADMODE_GRP_Y)
-		temp |= CICR_GYCC;
-	if (flags & QE_IC_SPREADMODE_GRP_Z)
-		temp |= CICR_GZCC;
-	if (flags & QE_IC_SPREADMODE_GRP_RISCA)
-		temp |= CICR_GRTA;
-	if (flags & QE_IC_SPREADMODE_GRP_RISCB)
-		temp |= CICR_GRTB;
-
-	/* choose destination signal for highest priority interrupt */
-	if (flags & QE_IC_HIGH_SIGNAL) {
-		temp |= (SIGNAL_HIGH << CICR_HPIT_SHIFT);
-		high_active = 1;
+	if (qe_ic->virq_high != qe_ic->virq_low) {
+		low_handler = qe_ic_cascade_low;
+		high_handler = qe_ic_cascade_high;
+	} else {
+		low_handler = qe_ic_cascade_muxed_mpic;
+		high_handler = NULL;
 	}
 
-	qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
+	qe_ic_write(qe_ic->regs, QEIC_CICR, 0);
 
 	irq_set_handler_data(qe_ic->virq_low, qe_ic);
 	irq_set_chained_handler(qe_ic->virq_low, low_handler);
 
-	if (qe_ic->virq_high != NO_IRQ &&
-			qe_ic->virq_high != qe_ic->virq_low) {
+	if (qe_ic->virq_high && qe_ic->virq_high != qe_ic->virq_low) {
 		irq_set_handler_data(qe_ic->virq_high, qe_ic);
 		irq_set_chained_handler(qe_ic->virq_high, high_handler);
 	}
 }
 
-void qe_ic_set_highest_priority(unsigned int virq, int high)
-{
-	struct qe_ic *qe_ic = qe_ic_from_irq(virq);
-	unsigned int src = virq_to_hw(virq);
-	u32 temp = 0;
-
-	temp = qe_ic_read(qe_ic->regs, QEIC_CICR);
-
-	temp &= ~CICR_HP_MASK;
-	temp |= src << CICR_HP_SHIFT;
-
-	temp &= ~CICR_HPIT_MASK;
-	temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << CICR_HPIT_SHIFT;
-
-	qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
-}
-
-/* Set Priority level within its group, from 1 to 8 */
-int qe_ic_set_priority(unsigned int virq, unsigned int priority)
-{
-	struct qe_ic *qe_ic = qe_ic_from_irq(virq);
-	unsigned int src = virq_to_hw(virq);
-	u32 temp;
-
-	if (priority > 8 || priority == 0)
-		return -EINVAL;
-	if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
-		      "%s: Invalid hw irq number for QEIC\n", __func__))
-		return -EINVAL;
-	if (qe_ic_info[src].pri_reg == 0)
-		return -EINVAL;
-
-	temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].pri_reg);
-
-	if (priority < 4) {
-		temp &= ~(0x7 << (32 - priority * 3));
-		temp |= qe_ic_info[src].pri_code << (32 - priority * 3);
-	} else {
-		temp &= ~(0x7 << (24 - priority * 3));
-		temp |= qe_ic_info[src].pri_code << (24 - priority * 3);
-	}
-
-	qe_ic_write(qe_ic->regs, qe_ic_info[src].pri_reg, temp);
-
-	return 0;
-}
-
-/* Set a QE priority to use high irq, only priority 1~2 can use high irq */
-int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high)
+static int __init qe_ic_of_init(void)
 {
-	struct qe_ic *qe_ic = qe_ic_from_irq(virq);
-	unsigned int src = virq_to_hw(virq);
-	u32 temp, control_reg = QEIC_CICNR, shift = 0;
-
-	if (priority > 2 || priority == 0)
-		return -EINVAL;
-	if (WARN_ONCE(src >= ARRAY_SIZE(qe_ic_info),
-		      "%s: Invalid hw irq number for QEIC\n", __func__))
-		return -EINVAL;
+	struct device_node *np;
 
-	switch (qe_ic_info[src].pri_reg) {
-	case QEIC_CIPZCC:
-		shift = CICNR_ZCC1T_SHIFT;
-		break;
-	case QEIC_CIPWCC:
-		shift = CICNR_WCC1T_SHIFT;
-		break;
-	case QEIC_CIPYCC:
-		shift = CICNR_YCC1T_SHIFT;
-		break;
-	case QEIC_CIPXCC:
-		shift = CICNR_XCC1T_SHIFT;
-		break;
-	case QEIC_CIPRTA:
-		shift = CRICR_RTA1T_SHIFT;
-		control_reg = QEIC_CRICR;
-		break;
-	case QEIC_CIPRTB:
-		shift = CRICR_RTB1T_SHIFT;
-		control_reg = QEIC_CRICR;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	shift += (2 - priority) * 2;
-	temp = qe_ic_read(qe_ic->regs, control_reg);
-	temp &= ~(SIGNAL_MASK << shift);
-	temp |= (high ? SIGNAL_HIGH : SIGNAL_LOW) << shift;
-	qe_ic_write(qe_ic->regs, control_reg, temp);
-
-	return 0;
-}
-
-static struct bus_type qe_ic_subsys = {
-	.name = "qe_ic",
-	.dev_name = "qe_ic",
-};
-
-static struct device device_qe_ic = {
-	.id = 0,
-	.bus = &qe_ic_subsys,
-};
-
-static int __init init_qe_ic_sysfs(void)
-{
-	int rc;
-
-	printk(KERN_DEBUG "Registering qe_ic with sysfs...\n");
-
-	rc = subsys_system_register(&qe_ic_subsys, NULL);
-	if (rc) {
-		printk(KERN_ERR "Failed registering qe_ic sys class\n");
-		return -ENODEV;
-	}
-	rc = device_register(&device_qe_ic);
-	if (rc) {
-		printk(KERN_ERR "Failed registering qe_ic sys device\n");
+	np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic");
+	if (!np) {
+		np = of_find_node_by_type(NULL, "qeic");
+		if (!np)
 			return -ENODEV;
 	}
+	qe_ic_init(np);
+	of_node_put(np);
 	return 0;
 }
-
-subsys_initcall(init_qe_ic_sysfs);
+subsys_initcall(qe_ic_of_init);

drivers/soc/fsl/qe/qe_ic.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * drivers/soc/fsl/qe/qe_ic.h
- *
- * QUICC ENGINE Interrupt Controller Header
- *
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Author: Li Yang <leoli@freescale.com>
- * Based on code from Shlomi Gridish <gridish@freescale.com>
- */
-#ifndef _POWERPC_SYSDEV_QE_IC_H
-#define _POWERPC_SYSDEV_QE_IC_H
-
-#include <soc/fsl/qe/qe_ic.h>
-
-#define NR_QE_IC_INTS		64
-
-/* QE IC registers offset */
-#define QEIC_CICR		0x00
-#define QEIC_CIVEC		0x04
-#define QEIC_CRIPNR		0x08
-#define QEIC_CIPNR		0x0c
-#define QEIC_CIPXCC		0x10
-#define QEIC_CIPYCC		0x14
-#define QEIC_CIPWCC		0x18
-#define QEIC_CIPZCC		0x1c
-#define QEIC_CIMR		0x20
-#define QEIC_CRIMR		0x24
-#define QEIC_CICNR		0x28
-#define QEIC_CIPRTA		0x30
-#define QEIC_CIPRTB		0x34
-#define QEIC_CRICR		0x3c
-#define QEIC_CHIVEC		0x60
-
-/* Interrupt priority registers */
-#define CIPCC_SHIFT_PRI0	29
-#define CIPCC_SHIFT_PRI1	26
-#define CIPCC_SHIFT_PRI2	23
-#define CIPCC_SHIFT_PRI3	20
-#define CIPCC_SHIFT_PRI4	13
-#define CIPCC_SHIFT_PRI5	10
-#define CIPCC_SHIFT_PRI6	7
-#define CIPCC_SHIFT_PRI7	4
-
-/* CICR priority modes */
-#define CICR_GWCC		0x00040000
-#define CICR_GXCC		0x00020000
-#define CICR_GYCC		0x00010000
-#define CICR_GZCC		0x00080000
-#define CICR_GRTA		0x00200000
-#define CICR_GRTB		0x00400000
-#define CICR_HPIT_SHIFT		8
-#define CICR_HPIT_MASK		0x00000300
-#define CICR_HP_SHIFT		24
-#define CICR_HP_MASK		0x3f000000
-
-/* CICNR */
-#define CICNR_WCC1T_SHIFT	20
-#define CICNR_ZCC1T_SHIFT	28
-#define CICNR_YCC1T_SHIFT	12
-#define CICNR_XCC1T_SHIFT	4
-
-/* CRICR */
-#define CRICR_RTA1T_SHIFT	20
-#define CRICR_RTB1T_SHIFT	28
-
-/* Signal indicator */
-#define SIGNAL_MASK		3
-#define SIGNAL_HIGH		2
-#define SIGNAL_LOW		0
-
-struct qe_ic {
-	/* Control registers offset */
-	volatile u32 __iomem *regs;
-
-	/* The remapper for this QEIC */
-	struct irq_domain *irqhost;
-
-	/* The "linux" controller struct */
-	struct irq_chip hc_irq;
-
-	/* VIRQ numbers of QE high/low irqs */
-	unsigned int virq_high;
-	unsigned int virq_low;
-};
-
-/*
- * QE interrupt controller internal structure
- */
-struct qe_ic_info {
-	u32	mask;	  /* location of this source at the QIMR register. */
-	u32	mask_reg; /* Mask register offset */
-	u8	pri_code; /* for grouped interrupts sources - the interrupt
-			     code as appears at the group priority register */
-	u32	pri_reg;  /* Group priority register offset */
-};
-
-#endif /* _POWERPC_SYSDEV_QE_IC_H */

drivers/soc/fsl/qe/qe_io.c

@@ -18,8 +18,6 @@
 
 #include <asm/io.h>
 #include <soc/fsl/qe/qe.h>
-#include <asm/prom.h>
-#include <sysdev/fsl_soc.h>
 
 #undef DEBUG
 
@@ -30,7 +28,7 @@ int par_io_init(struct device_node *np)
 {
 	struct resource res;
 	int ret;
-	const u32 *num_ports;
+	u32 num_ports;
 
 	/* Map Parallel I/O ports registers */
 	ret = of_address_to_resource(np, 0, &res);
@@ -38,9 +36,8 @@ int par_io_init(struct device_node *np)
 		return ret;
 	par_io = ioremap(res.start, resource_size(&res));
 
-	num_ports = of_get_property(np, "num-ports", NULL);
-	if (num_ports)
-		num_par_io_ports = *num_ports;
+	if (!of_property_read_u32(np, "num-ports", &num_ports))
+		num_par_io_ports = num_ports;
 
 	return 0;
 }
@@ -57,16 +54,16 @@ void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin, int dir,
 	pin_mask1bit = (u32) (1 << (QE_PIO_PINS - (pin + 1)));
 
 	/* Set open drain, if required */
-	tmp_val = in_be32(&par_io->cpodr);
+	tmp_val = qe_ioread32be(&par_io->cpodr);
 	if (open_drain)
-		out_be32(&par_io->cpodr, pin_mask1bit | tmp_val);
+		qe_iowrite32be(pin_mask1bit | tmp_val, &par_io->cpodr);
 	else
-		out_be32(&par_io->cpodr, ~pin_mask1bit & tmp_val);
+		qe_iowrite32be(~pin_mask1bit & tmp_val, &par_io->cpodr);
 
 	/* define direction */
 	tmp_val = (pin > (QE_PIO_PINS / 2) - 1) ?
-		in_be32(&par_io->cpdir2) :
-		in_be32(&par_io->cpdir1);
+		qe_ioread32be(&par_io->cpdir2) :
+		qe_ioread32be(&par_io->cpdir1);
 
 	/* get all bits mask for 2 bit per port */
 	pin_mask2bits = (u32) (0x3 << (QE_PIO_PINS -
@@ -78,34 +75,30 @@ void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin, int dir,
 
 	/* clear and set 2 bits mask */
 	if (pin > (QE_PIO_PINS / 2) - 1) {
-		out_be32(&par_io->cpdir2,
-			 ~pin_mask2bits & tmp_val);
+		qe_iowrite32be(~pin_mask2bits & tmp_val, &par_io->cpdir2);
 		tmp_val &= ~pin_mask2bits;
-		out_be32(&par_io->cpdir2, new_mask2bits | tmp_val);
+		qe_iowrite32be(new_mask2bits | tmp_val, &par_io->cpdir2);
 	} else {
-		out_be32(&par_io->cpdir1,
-			 ~pin_mask2bits & tmp_val);
+		qe_iowrite32be(~pin_mask2bits & tmp_val, &par_io->cpdir1);
 		tmp_val &= ~pin_mask2bits;
-		out_be32(&par_io->cpdir1, new_mask2bits | tmp_val);
+		qe_iowrite32be(new_mask2bits | tmp_val, &par_io->cpdir1);
 	}
 	/* define pin assignment */
 	tmp_val = (pin > (QE_PIO_PINS / 2) - 1) ?
-		in_be32(&par_io->cppar2) :
-		in_be32(&par_io->cppar1);
+		qe_ioread32be(&par_io->cppar2) :
+		qe_ioread32be(&par_io->cppar1);
 
 	new_mask2bits = (u32) (assignment << (QE_PIO_PINS -
 			(pin % (QE_PIO_PINS / 2) + 1) * 2));
 	/* clear and set 2 bits mask */
 	if (pin > (QE_PIO_PINS / 2) - 1) {
-		out_be32(&par_io->cppar2,
-			 ~pin_mask2bits & tmp_val);
+		qe_iowrite32be(~pin_mask2bits & tmp_val, &par_io->cppar2);
 		tmp_val &= ~pin_mask2bits;
-		out_be32(&par_io->cppar2, new_mask2bits | tmp_val);
+		qe_iowrite32be(new_mask2bits | tmp_val, &par_io->cppar2);
 	} else {
-		out_be32(&par_io->cppar1,
-			 ~pin_mask2bits & tmp_val);
+		qe_iowrite32be(~pin_mask2bits & tmp_val, &par_io->cppar1);
 		tmp_val &= ~pin_mask2bits;
-		out_be32(&par_io->cppar1, new_mask2bits | tmp_val);
+		qe_iowrite32be(new_mask2bits | tmp_val, &par_io->cppar1);
 	}
 }
 EXPORT_SYMBOL(__par_io_config_pin);
@@ -133,12 +126,12 @@ int par_io_data_set(u8 port, u8 pin, u8 val)
 	/* calculate pin location */
 	pin_mask = (u32) (1 << (QE_PIO_PINS - 1 - pin));
 
-	tmp_val = in_be32(&par_io[port].cpdata);
+	tmp_val = qe_ioread32be(&par_io[port].cpdata);
 
 	if (val == 0)		/* clear */
-		out_be32(&par_io[port].cpdata, ~pin_mask & tmp_val);
+		qe_iowrite32be(~pin_mask & tmp_val, &par_io[port].cpdata);
 	else			/* set */
-		out_be32(&par_io[port].cpdata, pin_mask | tmp_val);
+		qe_iowrite32be(pin_mask | tmp_val, &par_io[port].cpdata);
 
 	return 0;
 }
@@ -147,23 +140,20 @@ EXPORT_SYMBOL(par_io_data_set);
 int par_io_of_config(struct device_node *np)
 {
 	struct device_node *pio;
-	const phandle *ph;
 	int pio_map_len;
-	const unsigned int *pio_map;
+	const __be32 *pio_map;
 
 	if (par_io == NULL) {
 		printk(KERN_ERR "par_io not initialized\n");
 		return -1;
 	}
 
-	ph = of_get_property(np, "pio-handle", NULL);
-	if (ph == NULL) {
+	pio = of_parse_phandle(np, "pio-handle", 0);
+	if (pio == NULL) {
 		printk(KERN_ERR "pio-handle not available\n");
 		return -1;
 	}
 
-	pio = of_find_node_by_phandle(*ph);
-
 	pio_map = of_get_property(pio, "pio-map", &pio_map_len);
 	if (pio_map == NULL) {
 		printk(KERN_ERR "pio-map is not set!\n");
@@ -176,9 +166,15 @@ int par_io_of_config(struct device_node *np)
 	}
 
 	while (pio_map_len > 0) {
-		par_io_config_pin((u8) pio_map[0], (u8) pio_map[1],
-				(int) pio_map[2], (int) pio_map[3],
-				(int) pio_map[4], (int) pio_map[5]);
+		u8 port        = be32_to_cpu(pio_map[0]);
+		u8 pin         = be32_to_cpu(pio_map[1]);
+		int dir        = be32_to_cpu(pio_map[2]);
+		int open_drain = be32_to_cpu(pio_map[3]);
+		int assignment = be32_to_cpu(pio_map[4]);
+		int has_irq    = be32_to_cpu(pio_map[5]);
+
+		par_io_config_pin(port, pin, dir, open_drain,
+				  assignment, has_irq);
 		pio_map += 6;
 		pio_map_len -= 6;
 	}

drivers/soc/fsl/qe/qe_tdm.c

@@ -169,9 +169,9 @@ void ucc_tdm_init(struct ucc_tdm *utdm, struct ucc_tdm_info *ut_info)
 				    &siram[siram_entry_id * 32 + 0x200 +  i]);
 	}
 
-	setbits16(&siram[(siram_entry_id * 32) + (utdm->num_of_ts - 1)],
+	qe_setbits_be16(&siram[(siram_entry_id * 32) + (utdm->num_of_ts - 1)],
 			SIR_LAST);
-	setbits16(&siram[(siram_entry_id * 32) + 0x200 + (utdm->num_of_ts - 1)],
+	qe_setbits_be16(&siram[(siram_entry_id * 32) + 0x200 + (utdm->num_of_ts - 1)],
 			SIR_LAST);
 
 	/* Set SIxMR register */

drivers/soc/fsl/qe/ucc.c

@@ -15,7 +15,6 @@
 #include <linux/spinlock.h>
 #include <linux/export.h>
 
-#include <asm/irq.h>
 #include <asm/io.h>
 #include <soc/fsl/qe/immap_qe.h>
 #include <soc/fsl/qe/qe.h>
@@ -35,7 +34,7 @@ int ucc_set_qe_mux_mii_mng(unsigned int ucc_num)
 		return -EINVAL;
 
 	spin_lock_irqsave(&cmxgcr_lock, flags);
-	clrsetbits_be32(&qe_immr->qmx.cmxgcr, QE_CMXGCR_MII_ENET_MNG,
+	qe_clrsetbits_be32(&qe_immr->qmx.cmxgcr, QE_CMXGCR_MII_ENET_MNG,
 			   ucc_num << QE_CMXGCR_MII_ENET_MNG_SHIFT);
 	spin_unlock_irqrestore(&cmxgcr_lock, flags);
 
@@ -80,7 +79,7 @@ int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed)
 		return -EINVAL;
 	}
 
-	clrsetbits_8(guemr, UCC_GUEMR_MODE_MASK,
+	qe_clrsetbits_8(guemr, UCC_GUEMR_MODE_MASK,
 			UCC_GUEMR_SET_RESERVED3 | speed);
 
 	return 0;
@@ -109,9 +108,9 @@ int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask)
 	get_cmxucr_reg(ucc_num, &cmxucr, &reg_num, &shift);
 
 	if (set)
-		setbits32(cmxucr, mask << shift);
+		qe_setbits_be32(cmxucr, mask << shift);
 	else
-		clrbits32(cmxucr, mask << shift);
+		qe_clrbits_be32(cmxucr, mask << shift);
 
 	return 0;
 }
@@ -207,7 +206,7 @@ int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
 	if (mode == COMM_DIR_RX)
 		shift += 4;
 
-	clrsetbits_be32(cmxucr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
+	qe_clrsetbits_be32(cmxucr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
 			   clock_bits << shift);
 
 	return 0;
@@ -540,7 +539,7 @@ int ucc_set_tdm_rxtx_clk(u32 tdm_num, enum qe_clock clock,
 	cmxs1cr = (tdm_num < 4) ? &qe_mux_reg->cmxsi1cr_l :
 				  &qe_mux_reg->cmxsi1cr_h;
 
-	qe_clrsetbits32(cmxs1cr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
+	qe_clrsetbits_be32(cmxs1cr, QE_CMXUCR_TX_CLK_SRC_MASK << shift,
 			   clock_bits << shift);
 
 	return 0;
@@ -650,7 +649,7 @@ int ucc_set_tdm_rxtx_sync(u32 tdm_num, enum qe_clock clock,
 
 	shift = ucc_get_tdm_sync_shift(mode, tdm_num);
 
-	qe_clrsetbits32(&qe_mux_reg->cmxsi1syr,
+	qe_clrsetbits_be32(&qe_mux_reg->cmxsi1syr,
 			   QE_CMXUCR_TX_CLK_SRC_MASK << shift,
 			   source << shift);
 

drivers/soc/fsl/qe/ucc_fast.c

@@ -29,41 +29,42 @@ void ucc_fast_dump_regs(struct ucc_fast_private * uccf)
 	printk(KERN_INFO "Base address: 0x%p\n", uccf->uf_regs);
 
 	printk(KERN_INFO "gumr  : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->gumr, in_be32(&uccf->uf_regs->gumr));
+		  &uccf->uf_regs->gumr, qe_ioread32be(&uccf->uf_regs->gumr));
 	printk(KERN_INFO "upsmr : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->upsmr, in_be32(&uccf->uf_regs->upsmr));
+		  &uccf->uf_regs->upsmr, qe_ioread32be(&uccf->uf_regs->upsmr));
 	printk(KERN_INFO "utodr : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->utodr, in_be16(&uccf->uf_regs->utodr));
+		  &uccf->uf_regs->utodr, qe_ioread16be(&uccf->uf_regs->utodr));
 	printk(KERN_INFO "udsr  : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->udsr, in_be16(&uccf->uf_regs->udsr));
+		  &uccf->uf_regs->udsr, qe_ioread16be(&uccf->uf_regs->udsr));
 	printk(KERN_INFO "ucce  : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->ucce, in_be32(&uccf->uf_regs->ucce));
+		  &uccf->uf_regs->ucce, qe_ioread32be(&uccf->uf_regs->ucce));
 	printk(KERN_INFO "uccm  : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->uccm, in_be32(&uccf->uf_regs->uccm));
+		  &uccf->uf_regs->uccm, qe_ioread32be(&uccf->uf_regs->uccm));
 	printk(KERN_INFO "uccs  : addr=0x%p, val=0x%02x\n",
-		  &uccf->uf_regs->uccs, in_8(&uccf->uf_regs->uccs));
+		  &uccf->uf_regs->uccs, qe_ioread8(&uccf->uf_regs->uccs));
 	printk(KERN_INFO "urfb  : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->urfb, in_be32(&uccf->uf_regs->urfb));
+		  &uccf->uf_regs->urfb, qe_ioread32be(&uccf->uf_regs->urfb));
 	printk(KERN_INFO "urfs  : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->urfs, in_be16(&uccf->uf_regs->urfs));
+		  &uccf->uf_regs->urfs, qe_ioread16be(&uccf->uf_regs->urfs));
 	printk(KERN_INFO "urfet : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->urfet, in_be16(&uccf->uf_regs->urfet));
+		  &uccf->uf_regs->urfet, qe_ioread16be(&uccf->uf_regs->urfet));
 	printk(KERN_INFO "urfset: addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->urfset, in_be16(&uccf->uf_regs->urfset));
+		  &uccf->uf_regs->urfset,
+		  qe_ioread16be(&uccf->uf_regs->urfset));
 	printk(KERN_INFO "utfb  : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->utfb, in_be32(&uccf->uf_regs->utfb));
+		  &uccf->uf_regs->utfb, qe_ioread32be(&uccf->uf_regs->utfb));
 	printk(KERN_INFO "utfs  : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->utfs, in_be16(&uccf->uf_regs->utfs));
+		  &uccf->uf_regs->utfs, qe_ioread16be(&uccf->uf_regs->utfs));
 	printk(KERN_INFO "utfet : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->utfet, in_be16(&uccf->uf_regs->utfet));
+		  &uccf->uf_regs->utfet, qe_ioread16be(&uccf->uf_regs->utfet));
 	printk(KERN_INFO "utftt : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->utftt, in_be16(&uccf->uf_regs->utftt));
+		  &uccf->uf_regs->utftt, qe_ioread16be(&uccf->uf_regs->utftt));
 	printk(KERN_INFO "utpt  : addr=0x%p, val=0x%04x\n",
-		  &uccf->uf_regs->utpt, in_be16(&uccf->uf_regs->utpt));
+		  &uccf->uf_regs->utpt, qe_ioread16be(&uccf->uf_regs->utpt));
 	printk(KERN_INFO "urtry : addr=0x%p, val=0x%08x\n",
-		  &uccf->uf_regs->urtry, in_be32(&uccf->uf_regs->urtry));
+		  &uccf->uf_regs->urtry, qe_ioread32be(&uccf->uf_regs->urtry));
 	printk(KERN_INFO "guemr : addr=0x%p, val=0x%02x\n",
-		  &uccf->uf_regs->guemr, in_8(&uccf->uf_regs->guemr));
+		  &uccf->uf_regs->guemr, qe_ioread8(&uccf->uf_regs->guemr));
 }
 EXPORT_SYMBOL(ucc_fast_dump_regs);
 
@@ -85,7 +86,7 @@ EXPORT_SYMBOL(ucc_fast_get_qe_cr_subblock);
 
 void ucc_fast_transmit_on_demand(struct ucc_fast_private * uccf)
 {
-	out_be16(&uccf->uf_regs->utodr, UCC_FAST_TOD);
+	qe_iowrite16be(UCC_FAST_TOD, &uccf->uf_regs->utodr);
 }
 EXPORT_SYMBOL(ucc_fast_transmit_on_demand);
 
@@ -97,7 +98,7 @@ void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode)
 	uf_regs = uccf->uf_regs;
 
 	/* Enable reception and/or transmission on this UCC. */
-	gumr = in_be32(&uf_regs->gumr);
+	gumr = qe_ioread32be(&uf_regs->gumr);
 	if (mode & COMM_DIR_TX) {
 		gumr |= UCC_FAST_GUMR_ENT;
 		uccf->enabled_tx = 1;
@@ -106,7 +107,7 @@ void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode)
 		gumr |= UCC_FAST_GUMR_ENR;
 		uccf->enabled_rx = 1;
 	}
-	out_be32(&uf_regs->gumr, gumr);
+	qe_iowrite32be(gumr, &uf_regs->gumr);
 }
 EXPORT_SYMBOL(ucc_fast_enable);
 
@@ -118,7 +119,7 @@ void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode)
 	uf_regs = uccf->uf_regs;
 
 	/* Disable reception and/or transmission on this UCC. */
-	gumr = in_be32(&uf_regs->gumr);
+	gumr = qe_ioread32be(&uf_regs->gumr);
 	if (mode & COMM_DIR_TX) {
 		gumr &= ~UCC_FAST_GUMR_ENT;
 		uccf->enabled_tx = 0;
@@ -127,7 +128,7 @@ void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode)
 		gumr &= ~UCC_FAST_GUMR_ENR;
 		uccf->enabled_rx = 0;
 	}
-	out_be32(&uf_regs->gumr, gumr);
+	qe_iowrite32be(gumr, &uf_regs->gumr);
 }
 EXPORT_SYMBOL(ucc_fast_disable);
 
@@ -196,6 +197,8 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 			__func__);
 		return -ENOMEM;
 	}
+	uccf->ucc_fast_tx_virtual_fifo_base_offset = -1;
+	uccf->ucc_fast_rx_virtual_fifo_base_offset = -1;
 
 	/* Fill fast UCC structure */
 	uccf->uf_info = uf_info;
@@ -259,15 +262,14 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 	gumr |= uf_info->tenc;
 	gumr |= uf_info->tcrc;
 	gumr |= uf_info->mode;
-	out_be32(&uf_regs->gumr, gumr);
+	qe_iowrite32be(gumr, &uf_regs->gumr);
 
 	/* Allocate memory for Tx Virtual Fifo */
 	uccf->ucc_fast_tx_virtual_fifo_base_offset =
 	    qe_muram_alloc(uf_info->utfs, UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
-	if (IS_ERR_VALUE(uccf->ucc_fast_tx_virtual_fifo_base_offset)) {
+	if (uccf->ucc_fast_tx_virtual_fifo_base_offset < 0) {
 		printk(KERN_ERR "%s: cannot allocate MURAM for TX FIFO\n",
 			__func__);
-		uccf->ucc_fast_tx_virtual_fifo_base_offset = 0;
 		ucc_fast_free(uccf);
 		return -ENOMEM;
 	}
@@ -277,24 +279,25 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 		qe_muram_alloc(uf_info->urfs +
 			   UCC_FAST_RECEIVE_VIRTUAL_FIFO_SIZE_FUDGE_FACTOR,
 			   UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT);
-	if (IS_ERR_VALUE(uccf->ucc_fast_rx_virtual_fifo_base_offset)) {
+	if (uccf->ucc_fast_rx_virtual_fifo_base_offset < 0) {
 		printk(KERN_ERR "%s: cannot allocate MURAM for RX FIFO\n",
 			__func__);
-		uccf->ucc_fast_rx_virtual_fifo_base_offset = 0;
 		ucc_fast_free(uccf);
 		return -ENOMEM;
 	}
 
 	/* Set Virtual Fifo registers */
-	out_be16(&uf_regs->urfs, uf_info->urfs);
-	out_be16(&uf_regs->urfet, uf_info->urfet);
-	out_be16(&uf_regs->urfset, uf_info->urfset);
-	out_be16(&uf_regs->utfs, uf_info->utfs);
-	out_be16(&uf_regs->utfet, uf_info->utfet);
-	out_be16(&uf_regs->utftt, uf_info->utftt);
+	qe_iowrite16be(uf_info->urfs, &uf_regs->urfs);
+	qe_iowrite16be(uf_info->urfet, &uf_regs->urfet);
+	qe_iowrite16be(uf_info->urfset, &uf_regs->urfset);
+	qe_iowrite16be(uf_info->utfs, &uf_regs->utfs);
+	qe_iowrite16be(uf_info->utfet, &uf_regs->utfet);
+	qe_iowrite16be(uf_info->utftt, &uf_regs->utftt);
 	/* utfb, urfb are offsets from MURAM base */
-	out_be32(&uf_regs->utfb, uccf->ucc_fast_tx_virtual_fifo_base_offset);
-	out_be32(&uf_regs->urfb, uccf->ucc_fast_rx_virtual_fifo_base_offset);
+	qe_iowrite32be(uccf->ucc_fast_tx_virtual_fifo_base_offset,
+		       &uf_regs->utfb);
+	qe_iowrite32be(uccf->ucc_fast_rx_virtual_fifo_base_offset,
+		       &uf_regs->urfb);
 
 	/* Mux clocking */
 	/* Grant Support */
@@ -362,14 +365,14 @@ int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** ucc
 	}
 
 	/* Set interrupt mask register at UCC level. */
-	out_be32(&uf_regs->uccm, uf_info->uccm_mask);
+	qe_iowrite32be(uf_info->uccm_mask, &uf_regs->uccm);
 
 	/* First, clear anything pending at UCC level,
 	 * otherwise, old garbage may come through
 	 * as soon as the dam is opened. */
 
 	/* Writing '1' clears */
-	out_be32(&uf_regs->ucce, 0xffffffff);
+	qe_iowrite32be(0xffffffff, &uf_regs->ucce);
 
 	*uccf_ret = uccf;
 	return 0;
@@ -381,10 +384,7 @@ void ucc_fast_free(struct ucc_fast_private * uccf)
 	if (!uccf)
 		return;
 
-	if (uccf->ucc_fast_tx_virtual_fifo_base_offset)
 	qe_muram_free(uccf->ucc_fast_tx_virtual_fifo_base_offset);
-
-	if (uccf->ucc_fast_rx_virtual_fifo_base_offset)
 	qe_muram_free(uccf->ucc_fast_rx_virtual_fifo_base_offset);
 
 	if (uccf->uf_regs)

drivers/soc/fsl/qe/ucc_slow.c

@@ -78,7 +78,7 @@ void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode)
 	us_regs = uccs->us_regs;
 
 	/* Enable reception and/or transmission on this UCC. */
-	gumr_l = in_be32(&us_regs->gumr_l);
+	gumr_l = qe_ioread32be(&us_regs->gumr_l);
 	if (mode & COMM_DIR_TX) {
 		gumr_l |= UCC_SLOW_GUMR_L_ENT;
 		uccs->enabled_tx = 1;
@@ -87,7 +87,7 @@ void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode)
 		gumr_l |= UCC_SLOW_GUMR_L_ENR;
 		uccs->enabled_rx = 1;
 	}
-	out_be32(&us_regs->gumr_l, gumr_l);
+	qe_iowrite32be(gumr_l, &us_regs->gumr_l);
 }
 EXPORT_SYMBOL(ucc_slow_enable);
 
@@ -99,7 +99,7 @@ void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode)
 	us_regs = uccs->us_regs;
 
 	/* Disable reception and/or transmission on this UCC. */
-	gumr_l = in_be32(&us_regs->gumr_l);
+	gumr_l = qe_ioread32be(&us_regs->gumr_l);
 	if (mode & COMM_DIR_TX) {
 		gumr_l &= ~UCC_SLOW_GUMR_L_ENT;
 		uccs->enabled_tx = 0;
@@ -108,7 +108,7 @@ void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode)
 		gumr_l &= ~UCC_SLOW_GUMR_L_ENR;
 		uccs->enabled_rx = 0;
 	}
-	out_be32(&us_regs->gumr_l, gumr_l);
+	qe_iowrite32be(gumr_l, &us_regs->gumr_l);
 }
 EXPORT_SYMBOL(ucc_slow_disable);
 
@@ -154,6 +154,9 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 			__func__);
 		return -ENOMEM;
 	}
+	uccs->rx_base_offset = -1;
+	uccs->tx_base_offset = -1;
+	uccs->us_pram_offset = -1;
 
 	/* Fill slow UCC structure */
 	uccs->us_info = us_info;
@@ -179,7 +182,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	/* Get PRAM base */
 	uccs->us_pram_offset =
 		qe_muram_alloc(UCC_SLOW_PRAM_SIZE, ALIGNMENT_OF_UCC_SLOW_PRAM);
-	if (IS_ERR_VALUE(uccs->us_pram_offset)) {
+	if (uccs->us_pram_offset < 0) {
 		printk(KERN_ERR "%s: cannot allocate MURAM for PRAM", __func__);
 		ucc_slow_free(uccs);
 		return -ENOMEM;
@@ -198,7 +201,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 		return ret;
 	}
 
-	out_be16(&uccs->us_pram->mrblr, us_info->max_rx_buf_length);
+	qe_iowrite16be(us_info->max_rx_buf_length, &uccs->us_pram->mrblr);
 
 	INIT_LIST_HEAD(&uccs->confQ);
 
@@ -206,10 +209,9 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	uccs->rx_base_offset =
 		qe_muram_alloc(us_info->rx_bd_ring_len * sizeof(struct qe_bd),
 				QE_ALIGNMENT_OF_BD);
-	if (IS_ERR_VALUE(uccs->rx_base_offset)) {
+	if (uccs->rx_base_offset < 0) {
 		printk(KERN_ERR "%s: cannot allocate %u RX BDs\n", __func__,
 			us_info->rx_bd_ring_len);
-		uccs->rx_base_offset = 0;
 		ucc_slow_free(uccs);
 		return -ENOMEM;
 	}
@@ -217,9 +219,8 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	uccs->tx_base_offset =
 		qe_muram_alloc(us_info->tx_bd_ring_len * sizeof(struct qe_bd),
 			QE_ALIGNMENT_OF_BD);
-	if (IS_ERR_VALUE(uccs->tx_base_offset)) {
+	if (uccs->tx_base_offset < 0) {
 		printk(KERN_ERR "%s: cannot allocate TX BDs", __func__);
-		uccs->tx_base_offset = 0;
 		ucc_slow_free(uccs);
 		return -ENOMEM;
 	}
@@ -228,27 +229,27 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	bd = uccs->confBd = uccs->tx_bd = qe_muram_addr(uccs->tx_base_offset);
 	for (i = 0; i < us_info->tx_bd_ring_len - 1; i++) {
 		/* clear bd buffer */
-		out_be32(&bd->buf, 0);
+		qe_iowrite32be(0, &bd->buf);
 		/* set bd status and length */
-		out_be32((u32 *) bd, 0);
+		qe_iowrite32be(0, (u32 *)bd);
 		bd++;
 	}
 	/* for last BD set Wrap bit */
-	out_be32(&bd->buf, 0);
-	out_be32((u32 *) bd, cpu_to_be32(T_W));
+	qe_iowrite32be(0, &bd->buf);
+	qe_iowrite32be(cpu_to_be32(T_W), (u32 *)bd);
 
 	/* Init Rx bds */
 	bd = uccs->rx_bd = qe_muram_addr(uccs->rx_base_offset);
 	for (i = 0; i < us_info->rx_bd_ring_len - 1; i++) {
 		/* set bd status and length */
-		out_be32((u32*)bd, 0);
+		qe_iowrite32be(0, (u32 *)bd);
 		/* clear bd buffer */
-		out_be32(&bd->buf, 0);
+		qe_iowrite32be(0, &bd->buf);
 		bd++;
 	}
 	/* for last BD set Wrap bit */
-	out_be32((u32*)bd, cpu_to_be32(R_W));
-	out_be32(&bd->buf, 0);
+	qe_iowrite32be(cpu_to_be32(R_W), (u32 *)bd);
+	qe_iowrite32be(0, &bd->buf);
 
 	/* Set GUMR (For more details see the hardware spec.). */
 	/* gumr_h */
@@ -269,7 +270,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 		gumr |= UCC_SLOW_GUMR_H_TXSY;
 	if (us_info->rtsm)
 		gumr |= UCC_SLOW_GUMR_H_RTSM;
-	out_be32(&us_regs->gumr_h, gumr);
+	qe_iowrite32be(gumr, &us_regs->gumr_h);
 
 	/* gumr_l */
 	gumr = us_info->tdcr | us_info->rdcr | us_info->tenc | us_info->renc |
@@ -282,7 +283,7 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 		gumr |= UCC_SLOW_GUMR_L_TINV;
 	if (us_info->tend)
 		gumr |= UCC_SLOW_GUMR_L_TEND;
-	out_be32(&us_regs->gumr_l, gumr);
+	qe_iowrite32be(gumr, &us_regs->gumr_l);
 
 	/* Function code registers */
 
@@ -292,8 +293,8 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	uccs->us_pram->rbmr = UCC_BMR_BO_BE;
 
 	/* rbase, tbase are offsets from MURAM base */
-	out_be16(&uccs->us_pram->rbase, uccs->rx_base_offset);
-	out_be16(&uccs->us_pram->tbase, uccs->tx_base_offset);
+	qe_iowrite16be(uccs->rx_base_offset, &uccs->us_pram->rbase);
+	qe_iowrite16be(uccs->tx_base_offset, &uccs->us_pram->tbase);
 
 	/* Mux clocking */
 	/* Grant Support */
@@ -323,14 +324,14 @@ int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** ucc
 	}
 
 	/* Set interrupt mask register at UCC level. */
-	out_be16(&us_regs->uccm, us_info->uccm_mask);
+	qe_iowrite16be(us_info->uccm_mask, &us_regs->uccm);
 
 	/* First, clear anything pending at UCC level,
 	 * otherwise, old garbage may come through
 	 * as soon as the dam is opened. */
 
 	/* Writing '1' clears */
-	out_be16(&us_regs->ucce, 0xffff);
+	qe_iowrite16be(0xffff, &us_regs->ucce);
 
 	/* Issue QE Init command */
 	if (us_info->init_tx && us_info->init_rx)
@@ -352,13 +353,8 @@ void ucc_slow_free(struct ucc_slow_private * uccs)
 	if (!uccs)
 		return;
 
-	if (uccs->rx_base_offset)
 	qe_muram_free(uccs->rx_base_offset);
-
-	if (uccs->tx_base_offset)
 	qe_muram_free(uccs->tx_base_offset);
-
-	if (uccs->us_pram)
 	qe_muram_free(uccs->us_pram_offset);
 
 	if (uccs->us_regs)

drivers/soc/fsl/qe/usb.c

@@ -43,7 +43,7 @@ int qe_usb_clock_set(enum qe_clock clk, int rate)
 
 	spin_lock_irqsave(&cmxgcr_lock, flags);
 
-	clrsetbits_be32(&mux->cmxgcr, QE_CMXGCR_USBCS, val);
+	qe_clrsetbits_be32(&mux->cmxgcr, QE_CMXGCR_USBCS, val);
 
 	spin_unlock_irqrestore(&cmxgcr_lock, flags);
 

include/soc/fsl/cpm.h

+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __CPM_H
+#define __CPM_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/of.h>
+#include <soc/fsl/qe/qe.h>
+
+/*
+ * SPI Parameter RAM common to QE and CPM.
+ */
+struct spi_pram {
+	__be16	rbase;	/* Rx Buffer descriptor base address */
+	__be16	tbase;	/* Tx Buffer descriptor base address */
+	u8	rfcr;	/* Rx function code */
+	u8	tfcr;	/* Tx function code */
+	__be16	mrblr;	/* Max receive buffer length */
+	__be32	rstate;	/* Internal */
+	__be32	rdp;	/* Internal */
+	__be16	rbptr;	/* Internal */
+	__be16	rbc;	/* Internal */
+	__be32	rxtmp;	/* Internal */
+	__be32	tstate;	/* Internal */
+	__be32	tdp;	/* Internal */
+	__be16	tbptr;	/* Internal */
+	__be16	tbc;	/* Internal */
+	__be32	txtmp;	/* Internal */
+	__be32	res;	/* Tx temp. */
+	__be16  rpbase;	/* Relocation pointer (CPM1 only) */
+	__be16	res1;	/* Reserved */
+};
+
+/*
+ * USB Controller pram common to QE and CPM.
+ */
+struct usb_ctlr {
+	u8	usb_usmod;
+	u8	usb_usadr;
+	u8	usb_uscom;
+	u8	res1[1];
+	__be16	usb_usep[4];
+	u8	res2[4];
+	__be16	usb_usber;
+	u8	res3[2];
+	__be16	usb_usbmr;
+	u8	res4[1];
+	u8	usb_usbs;
+	/* Fields down below are QE-only */
+	__be16	usb_ussft;
+	u8	res5[2];
+	__be16	usb_usfrn;
+	u8	res6[0x22];
+} __attribute__ ((packed));
+
+/*
+ * Function code bits, usually generic to devices.
+ */
+#ifdef CONFIG_CPM1
+#define CPMFCR_GBL	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
+#define CPMFCR_TC2	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
+#define CPMFCR_DTB	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
+#define CPMFCR_BDB	((u_char)0x00)	/* Flag doesn't exist in CPM1 */
+#else
+#define CPMFCR_GBL	((u_char)0x20)	/* Set memory snooping */
+#define CPMFCR_TC2	((u_char)0x04)	/* Transfer code 2 value */
+#define CPMFCR_DTB	((u_char)0x02)	/* Use local bus for data when set */
+#define CPMFCR_BDB	((u_char)0x01)	/* Use local bus for BD when set */
+#endif
+#define CPMFCR_EB	((u_char)0x10)	/* Set big endian byte order */
+
+/* Opcodes common to CPM1 and CPM2
+*/
+#define CPM_CR_INIT_TRX		((ushort)0x0000)
+#define CPM_CR_INIT_RX		((ushort)0x0001)
+#define CPM_CR_INIT_TX		((ushort)0x0002)
+#define CPM_CR_HUNT_MODE	((ushort)0x0003)
+#define CPM_CR_STOP_TX		((ushort)0x0004)
+#define CPM_CR_GRA_STOP_TX	((ushort)0x0005)
+#define CPM_CR_RESTART_TX	((ushort)0x0006)
+#define CPM_CR_CLOSE_RX_BD	((ushort)0x0007)
+#define CPM_CR_SET_GADDR	((ushort)0x0008)
+#define CPM_CR_SET_TIMER	((ushort)0x0008)
+#define CPM_CR_STOP_IDMA	((ushort)0x000b)
+
+/* Buffer descriptors used by many of the CPM protocols. */
+typedef struct cpm_buf_desc {
+	ushort	cbd_sc;		/* Status and Control */
+	ushort	cbd_datlen;	/* Data length in buffer */
+	uint	cbd_bufaddr;	/* Buffer address in host memory */
+} cbd_t;
+
+/* Buffer descriptor control/status used by serial
+ */
+
+#define BD_SC_EMPTY	(0x8000)	/* Receive is empty */
+#define BD_SC_READY	(0x8000)	/* Transmit is ready */
+#define BD_SC_WRAP	(0x2000)	/* Last buffer descriptor */
+#define BD_SC_INTRPT	(0x1000)	/* Interrupt on change */
+#define BD_SC_LAST	(0x0800)	/* Last buffer in frame */
+#define BD_SC_TC	(0x0400)	/* Transmit CRC */
+#define BD_SC_CM	(0x0200)	/* Continuous mode */
+#define BD_SC_ID	(0x0100)	/* Rec'd too many idles */
+#define BD_SC_P		(0x0100)	/* xmt preamble */
+#define BD_SC_BR	(0x0020)	/* Break received */
+#define BD_SC_FR	(0x0010)	/* Framing error */
+#define BD_SC_PR	(0x0008)	/* Parity error */
+#define BD_SC_NAK	(0x0004)	/* NAK - did not respond */
+#define BD_SC_OV	(0x0002)	/* Overrun */
+#define BD_SC_UN	(0x0002)	/* Underrun */
+#define BD_SC_CD	(0x0001)	/* */
+#define BD_SC_CL	(0x0001)	/* Collision */
+
+/* Buffer descriptor control/status used by Ethernet receive.
+ * Common to SCC and FCC.
+ */
+#define BD_ENET_RX_EMPTY	(0x8000)
+#define BD_ENET_RX_WRAP		(0x2000)
+#define BD_ENET_RX_INTR		(0x1000)
+#define BD_ENET_RX_LAST		(0x0800)
+#define BD_ENET_RX_FIRST	(0x0400)
+#define BD_ENET_RX_MISS		(0x0100)
+#define BD_ENET_RX_BC		(0x0080)	/* FCC Only */
+#define BD_ENET_RX_MC		(0x0040)	/* FCC Only */
+#define BD_ENET_RX_LG		(0x0020)
+#define BD_ENET_RX_NO		(0x0010)
+#define BD_ENET_RX_SH		(0x0008)
+#define BD_ENET_RX_CR		(0x0004)
+#define BD_ENET_RX_OV		(0x0002)
+#define BD_ENET_RX_CL		(0x0001)
+#define BD_ENET_RX_STATS	(0x01ff)	/* All status bits */
+
+/* Buffer descriptor control/status used by Ethernet transmit.
+ * Common to SCC and FCC.
+ */
+#define BD_ENET_TX_READY	(0x8000)
+#define BD_ENET_TX_PAD		(0x4000)
+#define BD_ENET_TX_WRAP		(0x2000)
+#define BD_ENET_TX_INTR		(0x1000)
+#define BD_ENET_TX_LAST		(0x0800)
+#define BD_ENET_TX_TC		(0x0400)
+#define BD_ENET_TX_DEF		(0x0200)
+#define BD_ENET_TX_HB		(0x0100)
+#define BD_ENET_TX_LC		(0x0080)
+#define BD_ENET_TX_RL		(0x0040)
+#define BD_ENET_TX_RCMASK	(0x003c)
+#define BD_ENET_TX_UN		(0x0002)
+#define BD_ENET_TX_CSL		(0x0001)
+#define BD_ENET_TX_STATS	(0x03ff)	/* All status bits */
+
+/* Buffer descriptor control/status used by Transparent mode SCC.
+ */
+#define BD_SCC_TX_LAST		(0x0800)
+
+/* Buffer descriptor control/status used by I2C.
+ */
+#define BD_I2C_START		(0x0400)
+
+#ifdef CONFIG_CPM
+int cpm_command(u32 command, u8 opcode);
+#else
+static inline int cpm_command(u32 command, u8 opcode)
+{
+	return -ENOSYS;
+}
+#endif /* CONFIG_CPM */
+
+int cpm2_gpiochip_add32(struct device *dev);
+
+#endif

include/soc/fsl/qe/qe.h

@@ -17,7 +17,7 @@
 #include <linux/spinlock.h>
 #include <linux/errno.h>
 #include <linux/err.h>
-#include <asm/cpm.h>
+#include <soc/fsl/cpm.h>
 #include <soc/fsl/qe/immap_qe.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
@@ -98,25 +98,24 @@ static inline void qe_reset(void) {}
 int cpm_muram_init(void);
 
 #if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE)
-unsigned long cpm_muram_alloc(unsigned long size, unsigned long align);
-int cpm_muram_free(unsigned long offset);
-unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size);
+s32 cpm_muram_alloc(unsigned long size, unsigned long align);
+void cpm_muram_free(s32 offset);
+s32 cpm_muram_alloc_fixed(unsigned long offset, unsigned long size);
 void __iomem *cpm_muram_addr(unsigned long offset);
 unsigned long cpm_muram_offset(void __iomem *addr);
 dma_addr_t cpm_muram_dma(void __iomem *addr);
 #else
-static inline unsigned long cpm_muram_alloc(unsigned long size,
+static inline s32 cpm_muram_alloc(unsigned long size,
 				  unsigned long align)
 {
 	return -ENOSYS;
 }
 
-static inline int cpm_muram_free(unsigned long offset)
+static inline void cpm_muram_free(s32 offset)
 {
-	return -ENOSYS;
 }
 
-static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset,
+static inline s32 cpm_muram_alloc_fixed(unsigned long offset,
 					unsigned long size)
 {
 	return -ENOSYS;
@@ -241,21 +240,37 @@ static inline int qe_alive_during_sleep(void)
 #define qe_muram_offset cpm_muram_offset
 #define qe_muram_dma cpm_muram_dma
 
-#define qe_setbits32(_addr, _v) iowrite32be(ioread32be(_addr) |  (_v), (_addr))
-#define qe_clrbits32(_addr, _v) iowrite32be(ioread32be(_addr) & ~(_v), (_addr))
+#ifdef CONFIG_PPC32
+#define qe_iowrite8(val, addr)     out_8(addr, val)
+#define qe_iowrite16be(val, addr)  out_be16(addr, val)
+#define qe_iowrite32be(val, addr)  out_be32(addr, val)
+#define qe_ioread8(addr)           in_8(addr)
+#define qe_ioread16be(addr)        in_be16(addr)
+#define qe_ioread32be(addr)        in_be32(addr)
+#else
+#define qe_iowrite8(val, addr)     iowrite8(val, addr)
+#define qe_iowrite16be(val, addr)  iowrite16be(val, addr)
+#define qe_iowrite32be(val, addr)  iowrite32be(val, addr)
+#define qe_ioread8(addr)           ioread8(addr)
+#define qe_ioread16be(addr)        ioread16be(addr)
+#define qe_ioread32be(addr)        ioread32be(addr)
+#endif
+
+#define qe_setbits_be32(_addr, _v) qe_iowrite32be(qe_ioread32be(_addr) |  (_v), (_addr))
+#define qe_clrbits_be32(_addr, _v) qe_iowrite32be(qe_ioread32be(_addr) & ~(_v), (_addr))
 
-#define qe_setbits16(_addr, _v) iowrite16be(ioread16be(_addr) |  (_v), (_addr))
-#define qe_clrbits16(_addr, _v) iowrite16be(ioread16be(_addr) & ~(_v), (_addr))
+#define qe_setbits_be16(_addr, _v) qe_iowrite16be(qe_ioread16be(_addr) |  (_v), (_addr))
+#define qe_clrbits_be16(_addr, _v) qe_iowrite16be(qe_ioread16be(_addr) & ~(_v), (_addr))
 
-#define qe_setbits8(_addr, _v) iowrite8(ioread8(_addr) |  (_v), (_addr))
-#define qe_clrbits8(_addr, _v) iowrite8(ioread8(_addr) & ~(_v), (_addr))
+#define qe_setbits_8(_addr, _v) qe_iowrite8(qe_ioread8(_addr) |  (_v), (_addr))
+#define qe_clrbits_8(_addr, _v) qe_iowrite8(qe_ioread8(_addr) & ~(_v), (_addr))
 
-#define qe_clrsetbits32(addr, clear, set) \
-	iowrite32be((ioread32be(addr) & ~(clear)) | (set), (addr))
-#define qe_clrsetbits16(addr, clear, set) \
-	iowrite16be((ioread16be(addr) & ~(clear)) | (set), (addr))
-#define qe_clrsetbits8(addr, clear, set) \
-	iowrite8((ioread8(addr) & ~(clear)) | (set), (addr))
+#define qe_clrsetbits_be32(addr, clear, set) \
+	qe_iowrite32be((qe_ioread32be(addr) & ~(clear)) | (set), (addr))
+#define qe_clrsetbits_be16(addr, clear, set) \
+	qe_iowrite16be((qe_ioread16be(addr) & ~(clear)) | (set), (addr))
+#define qe_clrsetbits_8(addr, clear, set) \
+	qe_iowrite8((qe_ioread8(addr) & ~(clear)) | (set), (addr))
 
 /* Structure that defines QE firmware binary files.
  *

include/soc/fsl/qe/qe_ic.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: 	Shlomi Gridish <gridish@freescale.com>
- * 		Li Yang <leoli@freescale.com>
- *
- * Description:
- * QE IC external definitions and structure.
- */
-#ifndef _ASM_POWERPC_QE_IC_H
-#define _ASM_POWERPC_QE_IC_H
-
-#include <linux/irq.h>
-
-struct device_node;
-struct qe_ic;
-
-#define NUM_OF_QE_IC_GROUPS	6
-
-/* Flags when we init the QE IC */
-#define QE_IC_SPREADMODE_GRP_W			0x00000001
-#define QE_IC_SPREADMODE_GRP_X			0x00000002
-#define QE_IC_SPREADMODE_GRP_Y			0x00000004
-#define QE_IC_SPREADMODE_GRP_Z			0x00000008
-#define QE_IC_SPREADMODE_GRP_RISCA		0x00000010
-#define QE_IC_SPREADMODE_GRP_RISCB		0x00000020
-
-#define QE_IC_LOW_SIGNAL			0x00000100
-#define QE_IC_HIGH_SIGNAL			0x00000200
-
-#define QE_IC_GRP_W_PRI0_DEST_SIGNAL_HIGH	0x00001000
-#define QE_IC_GRP_W_PRI1_DEST_SIGNAL_HIGH	0x00002000
-#define QE_IC_GRP_X_PRI0_DEST_SIGNAL_HIGH	0x00004000
-#define QE_IC_GRP_X_PRI1_DEST_SIGNAL_HIGH	0x00008000
-#define QE_IC_GRP_Y_PRI0_DEST_SIGNAL_HIGH	0x00010000
-#define QE_IC_GRP_Y_PRI1_DEST_SIGNAL_HIGH	0x00020000
-#define QE_IC_GRP_Z_PRI0_DEST_SIGNAL_HIGH	0x00040000
-#define QE_IC_GRP_Z_PRI1_DEST_SIGNAL_HIGH	0x00080000
-#define QE_IC_GRP_RISCA_PRI0_DEST_SIGNAL_HIGH	0x00100000
-#define QE_IC_GRP_RISCA_PRI1_DEST_SIGNAL_HIGH	0x00200000
-#define QE_IC_GRP_RISCB_PRI0_DEST_SIGNAL_HIGH	0x00400000
-#define QE_IC_GRP_RISCB_PRI1_DEST_SIGNAL_HIGH	0x00800000
-#define QE_IC_GRP_W_DEST_SIGNAL_SHIFT		(12)
-
-/* QE interrupt sources groups */
-enum qe_ic_grp_id {
-	QE_IC_GRP_W = 0,	/* QE interrupt controller group W */
-	QE_IC_GRP_X,		/* QE interrupt controller group X */
-	QE_IC_GRP_Y,		/* QE interrupt controller group Y */
-	QE_IC_GRP_Z,		/* QE interrupt controller group Z */
-	QE_IC_GRP_RISCA,	/* QE interrupt controller RISC group A */
-	QE_IC_GRP_RISCB		/* QE interrupt controller RISC group B */
-};
-
-#ifdef CONFIG_QUICC_ENGINE
-void qe_ic_init(struct device_node *node, unsigned int flags,
-		void (*low_handler)(struct irq_desc *desc),
-		void (*high_handler)(struct irq_desc *desc));
-unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
-unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
-#else
-static inline void qe_ic_init(struct device_node *node, unsigned int flags,
-		void (*low_handler)(struct irq_desc *desc),
-		void (*high_handler)(struct irq_desc *desc))
-{}
-static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
-{ return 0; }
-static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
-{ return 0; }
-#endif /* CONFIG_QUICC_ENGINE */
-
-void qe_ic_set_highest_priority(unsigned int virq, int high);
-int qe_ic_set_priority(unsigned int virq, unsigned int priority);
-int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
-
-static inline void qe_ic_cascade_low_ipic(struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
-	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-}
-
-static inline void qe_ic_cascade_high_ipic(struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
-	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-}
-
-static inline void qe_ic_cascade_low_mpic(struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
-	unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-	struct irq_chip *chip = irq_desc_get_chip(desc);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-
-	chip->irq_eoi(&desc->irq_data);
-}
-
-static inline void qe_ic_cascade_high_mpic(struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
-	unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-	struct irq_chip *chip = irq_desc_get_chip(desc);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-
-	chip->irq_eoi(&desc->irq_data);
-}
-
-static inline void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
-{
-	struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
-	unsigned int cascade_irq;
-	struct irq_chip *chip = irq_desc_get_chip(desc);
-
-	cascade_irq = qe_ic_get_high_irq(qe_ic);
-	if (cascade_irq == NO_IRQ)
-		cascade_irq = qe_ic_get_low_irq(qe_ic);
-
-	if (cascade_irq != NO_IRQ)
-		generic_handle_irq(cascade_irq);
-
-	chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* _ASM_POWERPC_QE_IC_H */

include/soc/fsl/qe/ucc_fast.h

@@ -188,9 +188,9 @@ struct ucc_fast_private {
 	int stopped_tx;		/* Whether channel has been stopped for Tx
 				   (STOP_TX, etc.) */
 	int stopped_rx;		/* Whether channel has been stopped for Rx */
-	u32 ucc_fast_tx_virtual_fifo_base_offset;/* pointer to base of Tx
+	s32 ucc_fast_tx_virtual_fifo_base_offset;/* pointer to base of Tx
 						    virtual fifo */
-	u32 ucc_fast_rx_virtual_fifo_base_offset;/* pointer to base of Rx
+	s32 ucc_fast_rx_virtual_fifo_base_offset;/* pointer to base of Rx
 						    virtual fifo */
 #ifdef STATISTICS
 	u32 tx_frames;		/* Transmitted frames counter. */

include/soc/fsl/qe/ucc_slow.h

@@ -185,7 +185,7 @@ struct ucc_slow_private {
 	struct ucc_slow_info *us_info;
 	struct ucc_slow __iomem *us_regs; /* Ptr to memory map of UCC regs */
 	struct ucc_slow_pram *us_pram;	/* a pointer to the parameter RAM */
-	u32 us_pram_offset;
+	s32 us_pram_offset;
 	int enabled_tx;		/* Whether channel is enabled for Tx (ENT) */
 	int enabled_rx;		/* Whether channel is enabled for Rx (ENR) */
 	int stopped_tx;		/* Whether channel has been stopped for Tx
@@ -194,8 +194,8 @@ struct ucc_slow_private {
 	struct list_head confQ;	/* frames passed to chip waiting for tx */
 	u32 first_tx_bd_mask;	/* mask is used in Tx routine to save status
 				   and length for first BD in a frame */
-	u32 tx_base_offset;	/* first BD in Tx BD table offset (In MURAM) */
-	u32 rx_base_offset;	/* first BD in Rx BD table offset (In MURAM) */
+	s32 tx_base_offset;	/* first BD in Tx BD table offset (In MURAM) */
+	s32 rx_base_offset;	/* first BD in Rx BD table offset (In MURAM) */
 	struct qe_bd *confBd;	/* next BD for confirm after Tx */
 	struct qe_bd *tx_bd;	/* next BD for new Tx request */
 	struct qe_bd *rx_bd;	/* next BD to collect after Rx */