Fixed MTP to work with TWRP

drivers/vme/Kconfig

@@ -0,0 +1,19 @@
+#
+# VME configuration.
+#
+
+menuconfig VME_BUS
+	bool "VME bridge support"
+	depends on PCI
+	---help---
+	  If you say Y here you get support for the VME bridge Framework.
+
+if VME_BUS
+
+source "drivers/vme/bridges/Kconfig"
+
+source "drivers/vme/boards/Kconfig"
+
+source "drivers/staging/vme/devices/Kconfig"
+
+endif # VME

drivers/vme/Makefile

@@ -0,0 +1,7 @@
+#
+# Makefile for the VME bridge device drivers.
+#
+obj-$(CONFIG_VME_BUS)		+= vme.o
+
+obj-y				+= bridges/
+obj-y				+= boards/

drivers/vme/boards/Kconfig

@@ -0,0 +1,9 @@
+comment "VME Board Drivers"
+
+config VMIVME_7805
+	tristate "VMIVME-7805"
+	help
+	  If you say Y here you get support for the VMIVME-7805 board.
+	  This board has an additional control interface to the Universe II
+	  chip. This driver has to be included if you want to access VME bus
+	  with VMIVME-7805 board.

drivers/vme/boards/Makefile

@@ -0,0 +1,5 @@
+#
+# Makefile for the VME board drivers.
+#
+
+obj-$(CONFIG_VMIVME_7805)	+= vme_vmivme7805.o

drivers/vme/boards/vme_vmivme7805.c

@@ -0,0 +1,110 @@
+/*
+ * Support for the VMIVME-7805 board access to the Universe II bridge.
+ *
+ * Author: Arthur Benilov <arthur.benilov@iba-group.com>
+ * Copyright 2010 Ion Beam Application, Inc.
+ *
+ * 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/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/poll.h>
+#include <linux/io.h>
+
+#include "vme_vmivme7805.h"
+
+static int vmic_probe(struct pci_dev *, const struct pci_device_id *);
+static void vmic_remove(struct pci_dev *);
+
+/** Base address to access FPGA register */
+static void __iomem *vmic_base;
+
+static const char driver_name[] = "vmivme_7805";
+
+static const struct pci_device_id vmic_ids[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_VMIC, PCI_DEVICE_ID_VTIMR) },
+	{ },
+};
+
+static struct pci_driver vmic_driver = {
+	.name = driver_name,
+	.id_table = vmic_ids,
+	.probe = vmic_probe,
+	.remove = vmic_remove,
+};
+
+static int vmic_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	int retval;
+	u32 data;
+
+	/* Enable the device */
+	retval = pci_enable_device(pdev);
+	if (retval) {
+		dev_err(&pdev->dev, "Unable to enable device\n");
+		goto err;
+	}
+
+	/* Map Registers */
+	retval = pci_request_regions(pdev, driver_name);
+	if (retval) {
+		dev_err(&pdev->dev, "Unable to reserve resources\n");
+		goto err_resource;
+	}
+
+	/* Map registers in BAR 0 */
+	vmic_base = ioremap_nocache(pci_resource_start(pdev, 0), 16);
+	if (!vmic_base) {
+		dev_err(&pdev->dev, "Unable to remap CRG region\n");
+		retval = -EIO;
+		goto err_remap;
+	}
+
+	/* Clear the FPGA VME IF contents */
+	iowrite32(0, vmic_base + VME_CONTROL);
+
+	/* Clear any initial BERR  */
+	data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF;
+	data |= BM_VME_CONTROL_BERRST;
+	iowrite32(data, vmic_base + VME_CONTROL);
+
+	/* Enable the vme interface and byte swapping */
+	data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF;
+	data = data | BM_VME_CONTROL_MASTER_ENDIAN |
+			BM_VME_CONTROL_SLAVE_ENDIAN |
+			BM_VME_CONTROL_ABLE |
+			BM_VME_CONTROL_BERRI |
+			BM_VME_CONTROL_BPENA |
+			BM_VME_CONTROL_VBENA;
+	iowrite32(data, vmic_base + VME_CONTROL);
+
+	return 0;
+
+err_remap:
+	pci_release_regions(pdev);
+err_resource:
+	pci_disable_device(pdev);
+err:
+	return retval;
+}
+
+static void vmic_remove(struct pci_dev *pdev)
+{
+	iounmap(vmic_base);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+
+}
+
+module_pci_driver(vmic_driver);
+
+MODULE_DESCRIPTION("VMIVME-7805 board support driver");
+MODULE_AUTHOR("Arthur Benilov <arthur.benilov@iba-group.com>");
+MODULE_LICENSE("GPL");
+

drivers/vme/boards/vme_vmivme7805.h

@@ -0,0 +1,37 @@
+/*
+ * vmivme_7805.h
+ *
+ * Support for the VMIVME-7805 board access to the Universe II bridge.
+ *
+ * Author: Arthur Benilov <arthur.benilov@iba-group.com>
+ * Copyright 2010 Ion Beam Application, Inc.
+ *
+ * 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.
+ */
+
+
+#ifndef _VMIVME_7805_H
+#define _VMIVME_7805_H
+
+#ifndef PCI_VENDOR_ID_VMIC
+#define PCI_VENDOR_ID_VMIC		0x114A
+#endif
+
+#ifndef PCI_DEVICE_ID_VTIMR
+#define PCI_DEVICE_ID_VTIMR		0x0004
+#endif
+
+#define VME_CONTROL			0x0000
+#define BM_VME_CONTROL_MASTER_ENDIAN	0x0001
+#define BM_VME_CONTROL_SLAVE_ENDIAN	0x0002
+#define BM_VME_CONTROL_ABLE		0x0004
+#define BM_VME_CONTROL_BERRI		0x0040
+#define BM_VME_CONTROL_BERRST		0x0080
+#define BM_VME_CONTROL_BPENA		0x0400
+#define BM_VME_CONTROL_VBENA		0x0800
+
+#endif /* _VMIVME_7805_H */
+

drivers/vme/bridges/Kconfig

@@ -0,0 +1,15 @@
+comment "VME Bridge Drivers"
+
+config VME_CA91CX42
+	tristate "Universe II"
+	depends on VIRT_TO_BUS
+	help
+	 If you say Y here you get support for the Tundra CA91C142
+	 (Universe II) VME bridge chip.
+
+config VME_TSI148
+	tristate "Tempe"
+	depends on VIRT_TO_BUS
+	help
+	 If you say Y here you get support for the Tundra TSI148 VME bridge
+	 chip.

drivers/vme/bridges/Makefile

@@ -0,0 +1,2 @@
+obj-$(CONFIG_VME_CA91CX42)	+= vme_ca91cx42.o
+obj-$(CONFIG_VME_TSI148)	+= vme_tsi148.o

drivers/vme/bridges/vme_ca91cx42.h

@@ -0,0 +1,582 @@
+/*
+ * ca91c042.h
+ *
+ * Support for the Tundra Universe 1 and Universe II VME bridge chips
+ *
+ * Author: Tom Armistead
+ * Updated by Ajit Prem
+ * Copyright 2004 Motorola Inc.
+ *
+ * Further updated by Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc.
+ *
+ * Derived from ca91c042.h by Michael Wyrick
+ *
+ * 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.
+ */
+
+#ifndef _CA91CX42_H
+#define _CA91CX42_H
+
+#ifndef	PCI_VENDOR_ID_TUNDRA
+#define	PCI_VENDOR_ID_TUNDRA 0x10e3
+#endif
+
+#ifndef	PCI_DEVICE_ID_TUNDRA_CA91C142
+#define	PCI_DEVICE_ID_TUNDRA_CA91C142 0x0000
+#endif
+
+/*
+ *  Define the number of each that the CA91C142 supports.
+ */
+#define CA91C142_MAX_MASTER		8	/* Max Master Windows */
+#define CA91C142_MAX_SLAVE		8	/* Max Slave Windows */
+#define CA91C142_MAX_DMA		1	/* Max DMA Controllers */
+#define CA91C142_MAX_MAILBOX		4	/* Max Mail Box registers */
+
+/* Structure used to hold driver specific information */
+struct ca91cx42_driver {
+	void __iomem *base;	/* Base Address of device registers */
+	wait_queue_head_t dma_queue;
+	wait_queue_head_t iack_queue;
+	wait_queue_head_t mbox_queue;
+	void (*lm_callback[4])(int);	/* Called in interrupt handler */
+	void *crcsr_kernel;
+	dma_addr_t crcsr_bus;
+	struct mutex vme_rmw;		/* Only one RMW cycle at a time */
+	struct mutex vme_int;		/*
+					 * Only one VME interrupt can be
+					 * generated at a time, provide locking
+					 */
+};
+
+/* See Page 2-77 in the Universe User Manual */
+struct ca91cx42_dma_descriptor {
+	unsigned int dctl;      /* DMA Control */
+	unsigned int dtbc;      /* Transfer Byte Count */
+	unsigned int dla;       /* PCI Address */
+	unsigned int res1;      /* Reserved */
+	unsigned int dva;       /* Vme Address */
+	unsigned int res2;      /* Reserved */
+	unsigned int dcpp;      /* Pointer to Numed Cmd Packet with rPN */
+	unsigned int res3;      /* Reserved */
+};
+
+struct ca91cx42_dma_entry {
+	struct ca91cx42_dma_descriptor descriptor;
+	struct list_head list;
+};
+
+/* Universe Register Offsets */
+/* general PCI configuration registers */
+#define CA91CX42_PCI_ID		0x000
+#define CA91CX42_PCI_CSR	0x004
+#define CA91CX42_PCI_CLASS	0x008
+#define CA91CX42_PCI_MISC0	0x00C
+#define CA91CX42_PCI_BS		0x010
+#define CA91CX42_PCI_MISC1	0x03C
+
+#define LSI0_CTL		0x0100
+#define LSI0_BS			0x0104
+#define LSI0_BD			0x0108
+#define LSI0_TO			0x010C
+
+#define LSI1_CTL		0x0114
+#define LSI1_BS			0x0118
+#define LSI1_BD			0x011C
+#define LSI1_TO			0x0120
+
+#define LSI2_CTL		0x0128
+#define LSI2_BS			0x012C
+#define LSI2_BD			0x0130
+#define LSI2_TO			0x0134
+
+#define LSI3_CTL		0x013C
+#define LSI3_BS			0x0140
+#define LSI3_BD			0x0144
+#define LSI3_TO			0x0148
+
+#define LSI4_CTL		0x01A0
+#define LSI4_BS			0x01A4
+#define LSI4_BD			0x01A8
+#define LSI4_TO			0x01AC
+
+#define LSI5_CTL		0x01B4
+#define LSI5_BS			0x01B8
+#define LSI5_BD			0x01BC
+#define LSI5_TO			0x01C0
+
+#define LSI6_CTL		0x01C8
+#define LSI6_BS			0x01CC
+#define LSI6_BD			0x01D0
+#define LSI6_TO			0x01D4
+
+#define LSI7_CTL		0x01DC
+#define LSI7_BS			0x01E0
+#define LSI7_BD			0x01E4
+#define LSI7_TO			0x01E8
+
+static const int CA91CX42_LSI_CTL[] = { LSI0_CTL, LSI1_CTL, LSI2_CTL, LSI3_CTL,
+				LSI4_CTL, LSI5_CTL, LSI6_CTL, LSI7_CTL };
+
+static const int CA91CX42_LSI_BS[] = { LSI0_BS, LSI1_BS, LSI2_BS, LSI3_BS,
+				LSI4_BS, LSI5_BS, LSI6_BS, LSI7_BS };
+
+static const int CA91CX42_LSI_BD[] = { LSI0_BD, LSI1_BD, LSI2_BD, LSI3_BD,
+				LSI4_BD, LSI5_BD, LSI6_BD, LSI7_BD };
+
+static const int CA91CX42_LSI_TO[] = { LSI0_TO, LSI1_TO, LSI2_TO, LSI3_TO,
+				LSI4_TO, LSI5_TO, LSI6_TO, LSI7_TO };
+
+#define SCYC_CTL		0x0170
+#define SCYC_ADDR		0x0174
+#define SCYC_EN			0x0178
+#define SCYC_CMP		0x017C
+#define SCYC_SWP		0x0180
+#define LMISC			0x0184
+#define SLSI		        0x0188
+#define L_CMDERR		0x018C
+#define LAERR		        0x0190
+
+#define DCTL		        0x0200
+#define DTBC		        0x0204
+#define DLA			0x0208
+#define DVA			0x0210
+#define DCPP		        0x0218
+#define DGCS		        0x0220
+#define D_LLUE			0x0224
+
+#define LINT_EN			0x0300
+#define LINT_STAT		0x0304
+#define LINT_MAP0		0x0308
+#define LINT_MAP1		0x030C
+#define VINT_EN			0x0310
+#define VINT_STAT		0x0314
+#define VINT_MAP0		0x0318
+#define VINT_MAP1		0x031C
+#define STATID			0x0320
+
+#define V1_STATID		0x0324
+#define V2_STATID		0x0328
+#define V3_STATID		0x032C
+#define V4_STATID		0x0330
+#define V5_STATID		0x0334
+#define V6_STATID		0x0338
+#define V7_STATID		0x033C
+
+static const int CA91CX42_V_STATID[8] = { 0, V1_STATID, V2_STATID, V3_STATID,
+					V4_STATID, V5_STATID, V6_STATID,
+					V7_STATID };
+
+#define LINT_MAP2		0x0340
+#define VINT_MAP2		0x0344
+
+#define MBOX0			0x0348
+#define MBOX1			0x034C
+#define MBOX2			0x0350
+#define MBOX3			0x0354
+#define SEMA0			0x0358
+#define SEMA1			0x035C
+
+#define MAST_CTL		0x0400
+#define MISC_CTL		0x0404
+#define MISC_STAT		0x0408
+#define USER_AM			0x040C
+
+#define VSI0_CTL		0x0F00
+#define VSI0_BS			0x0F04
+#define VSI0_BD			0x0F08
+#define VSI0_TO			0x0F0C
+
+#define VSI1_CTL		0x0F14
+#define VSI1_BS			0x0F18
+#define VSI1_BD			0x0F1C
+#define VSI1_TO			0x0F20
+
+#define VSI2_CTL		0x0F28
+#define VSI2_BS			0x0F2C
+#define VSI2_BD			0x0F30
+#define VSI2_TO			0x0F34
+
+#define VSI3_CTL		0x0F3C
+#define VSI3_BS			0x0F40
+#define VSI3_BD			0x0F44
+#define VSI3_TO			0x0F48
+
+#define LM_CTL			0x0F64
+#define LM_BS			0x0F68
+
+#define VRAI_CTL		0x0F70
+
+#define VRAI_BS			0x0F74
+#define VCSR_CTL		0x0F80
+#define VCSR_TO			0x0F84
+#define V_AMERR			0x0F88
+#define VAERR			0x0F8C
+
+#define VSI4_CTL		0x0F90
+#define VSI4_BS			0x0F94
+#define VSI4_BD			0x0F98
+#define VSI4_TO			0x0F9C
+
+#define VSI5_CTL		0x0FA4
+#define VSI5_BS			0x0FA8
+#define VSI5_BD			0x0FAC
+#define VSI5_TO			0x0FB0
+
+#define VSI6_CTL		0x0FB8
+#define VSI6_BS			0x0FBC
+#define VSI6_BD			0x0FC0
+#define VSI6_TO			0x0FC4
+
+#define VSI7_CTL		0x0FCC
+#define VSI7_BS			0x0FD0
+#define VSI7_BD			0x0FD4
+#define VSI7_TO			0x0FD8
+
+static const int CA91CX42_VSI_CTL[] = { VSI0_CTL, VSI1_CTL, VSI2_CTL, VSI3_CTL,
+				VSI4_CTL, VSI5_CTL, VSI6_CTL, VSI7_CTL };
+
+static const int CA91CX42_VSI_BS[] = { VSI0_BS, VSI1_BS, VSI2_BS, VSI3_BS,
+				VSI4_BS, VSI5_BS, VSI6_BS, VSI7_BS };
+
+static const int CA91CX42_VSI_BD[] = { VSI0_BD, VSI1_BD, VSI2_BD, VSI3_BD,
+				VSI4_BD, VSI5_BD, VSI6_BD, VSI7_BD };
+
+static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO,
+				VSI4_TO, VSI5_TO, VSI6_TO, VSI7_TO };
+
+#define VCSR_CLR		0x0FF4
+#define VCSR_SET		0x0FF8
+#define VCSR_BS			0x0FFC
+
+/*
+ * PCI Class Register
+ * offset 008
+ */
+#define CA91CX42_BM_PCI_CLASS_BASE          0xFF000000
+#define CA91CX42_OF_PCI_CLASS_BASE          24
+#define CA91CX42_BM_PCI_CLASS_SUB           0x00FF0000
+#define CA91CX42_OF_PCI_CLASS_SUB           16
+#define CA91CX42_BM_PCI_CLASS_PROG          0x0000FF00
+#define CA91CX42_OF_PCI_CLASS_PROG          8
+#define CA91CX42_BM_PCI_CLASS_RID           0x000000FF
+#define CA91CX42_OF_PCI_CLASS_RID           0
+
+#define CA91CX42_OF_PCI_CLASS_RID_UNIVERSE_I 0
+#define CA91CX42_OF_PCI_CLASS_RID_UNIVERSE_II 1
+
+/*
+ * PCI Misc Register
+ * offset 00C
+ */
+#define CA91CX42_BM_PCI_MISC0_BISTC         0x80000000
+#define CA91CX42_BM_PCI_MISC0_SBIST         0x60000000
+#define CA91CX42_BM_PCI_MISC0_CCODE         0x0F000000
+#define CA91CX42_BM_PCI_MISC0_MFUNCT        0x00800000
+#define CA91CX42_BM_PCI_MISC0_LAYOUT        0x007F0000
+#define CA91CX42_BM_PCI_MISC0_LTIMER        0x0000FF00
+#define CA91CX42_OF_PCI_MISC0_LTIMER        8
+
+
+/*
+ * LSI Control Register
+ * offset  100
+ */
+#define CA91CX42_LSI_CTL_EN		(1<<31)
+#define CA91CX42_LSI_CTL_PWEN		(1<<30)
+
+#define CA91CX42_LSI_CTL_VDW_M		(3<<22)
+#define CA91CX42_LSI_CTL_VDW_D8		0
+#define CA91CX42_LSI_CTL_VDW_D16	(1<<22)
+#define CA91CX42_LSI_CTL_VDW_D32	(1<<23)
+#define CA91CX42_LSI_CTL_VDW_D64	(3<<22)
+
+#define CA91CX42_LSI_CTL_VAS_M		(7<<16)
+#define CA91CX42_LSI_CTL_VAS_A16	0
+#define CA91CX42_LSI_CTL_VAS_A24	(1<<16)
+#define CA91CX42_LSI_CTL_VAS_A32	(1<<17)
+#define CA91CX42_LSI_CTL_VAS_CRCSR	(5<<16)
+#define CA91CX42_LSI_CTL_VAS_USER1	(3<<17)
+#define CA91CX42_LSI_CTL_VAS_USER2	(7<<16)
+
+#define CA91CX42_LSI_CTL_PGM_M		(1<<14)
+#define CA91CX42_LSI_CTL_PGM_DATA	0
+#define CA91CX42_LSI_CTL_PGM_PGM	(1<<14)
+
+#define CA91CX42_LSI_CTL_SUPER_M	(1<<12)
+#define CA91CX42_LSI_CTL_SUPER_NPRIV	0
+#define CA91CX42_LSI_CTL_SUPER_SUPR	(1<<12)
+
+#define CA91CX42_LSI_CTL_VCT_M		(1<<8)
+#define CA91CX42_LSI_CTL_VCT_BLT	(1<<8)
+#define CA91CX42_LSI_CTL_VCT_MBLT	(1<<8)
+#define CA91CX42_LSI_CTL_LAS		(1<<0)
+
+/*
+ * SCYC_CTL Register
+ * offset 178
+ */
+#define CA91CX42_SCYC_CTL_LAS_PCIMEM	0
+#define CA91CX42_SCYC_CTL_LAS_PCIIO	(1<<2)
+
+#define CA91CX42_SCYC_CTL_CYC_M		(3<<0)
+#define CA91CX42_SCYC_CTL_CYC_RMW	(1<<0)
+#define CA91CX42_SCYC_CTL_CYC_ADOH	(1<<1)
+
+/*
+ * LMISC Register
+ * offset  184
+ */
+#define CA91CX42_BM_LMISC_CRT               0xF0000000
+#define CA91CX42_OF_LMISC_CRT               28
+#define CA91CX42_BM_LMISC_CWT               0x0F000000
+#define CA91CX42_OF_LMISC_CWT               24
+
+/*
+ * SLSI Register
+ * offset  188
+ */
+#define CA91CX42_BM_SLSI_EN                 0x80000000
+#define CA91CX42_BM_SLSI_PWEN               0x40000000
+#define CA91CX42_BM_SLSI_VDW                0x00F00000
+#define CA91CX42_OF_SLSI_VDW                20
+#define CA91CX42_BM_SLSI_PGM                0x0000F000
+#define CA91CX42_OF_SLSI_PGM                12
+#define CA91CX42_BM_SLSI_SUPER              0x00000F00
+#define CA91CX42_OF_SLSI_SUPER              8
+#define CA91CX42_BM_SLSI_BS                 0x000000F6
+#define CA91CX42_OF_SLSI_BS                 2
+#define CA91CX42_BM_SLSI_LAS                0x00000003
+#define CA91CX42_OF_SLSI_LAS                0
+#define CA91CX42_BM_SLSI_RESERVED           0x3F0F0000
+
+/*
+ * DCTL Register
+ * offset 200
+ */
+#define CA91CX42_DCTL_L2V		(1<<31)
+#define CA91CX42_DCTL_VDW_M		(3<<22)
+#define CA91CX42_DCTL_VDW_D8		0
+#define CA91CX42_DCTL_VDW_D16		(1<<22)
+#define CA91CX42_DCTL_VDW_D32		(1<<23)
+#define CA91CX42_DCTL_VDW_D64		(3<<22)
+
+#define CA91CX42_DCTL_VAS_M		(7<<16)
+#define CA91CX42_DCTL_VAS_A16		0
+#define CA91CX42_DCTL_VAS_A24		(1<<16)
+#define CA91CX42_DCTL_VAS_A32		(1<<17)
+#define CA91CX42_DCTL_VAS_USER1		(3<<17)
+#define CA91CX42_DCTL_VAS_USER2		(7<<16)
+
+#define CA91CX42_DCTL_PGM_M		(1<<14)
+#define CA91CX42_DCTL_PGM_DATA		0
+#define CA91CX42_DCTL_PGM_PGM		(1<<14)
+
+#define CA91CX42_DCTL_SUPER_M		(1<<12)
+#define CA91CX42_DCTL_SUPER_NPRIV	0
+#define CA91CX42_DCTL_SUPER_SUPR	(1<<12)
+
+#define CA91CX42_DCTL_VCT_M		(1<<8)
+#define CA91CX42_DCTL_VCT_BLT		(1<<8)
+#define CA91CX42_DCTL_LD64EN		(1<<7)
+
+/*
+ * DCPP Register
+ * offset 218
+ */
+#define CA91CX42_DCPP_M			0xf
+#define CA91CX42_DCPP_NULL		(1<<0)
+
+/*
+ * DMA General Control/Status Register (DGCS)
+ * offset 220
+ */
+#define CA91CX42_DGCS_GO		(1<<31)
+#define CA91CX42_DGCS_STOP_REQ		(1<<30)
+#define CA91CX42_DGCS_HALT_REQ		(1<<29)
+#define CA91CX42_DGCS_CHAIN		(1<<27)
+
+#define CA91CX42_DGCS_VON_M		(7<<20)
+
+#define CA91CX42_DGCS_VOFF_M		(0xf<<16)
+
+#define CA91CX42_DGCS_ACT		(1<<15)
+#define CA91CX42_DGCS_STOP		(1<<14)
+#define CA91CX42_DGCS_HALT		(1<<13)
+#define CA91CX42_DGCS_DONE		(1<<11)
+#define CA91CX42_DGCS_LERR		(1<<10)
+#define CA91CX42_DGCS_VERR		(1<<9)
+#define CA91CX42_DGCS_PERR		(1<<8)
+#define CA91CX42_DGCS_INT_STOP		(1<<6)
+#define CA91CX42_DGCS_INT_HALT		(1<<5)
+#define CA91CX42_DGCS_INT_DONE		(1<<3)
+#define CA91CX42_DGCS_INT_LERR		(1<<2)
+#define CA91CX42_DGCS_INT_VERR		(1<<1)
+#define CA91CX42_DGCS_INT_PERR		(1<<0)
+
+/*
+ * PCI Interrupt Enable Register
+ * offset  300
+ */
+#define CA91CX42_LINT_LM3		0x00800000
+#define CA91CX42_LINT_LM2		0x00400000
+#define CA91CX42_LINT_LM1		0x00200000
+#define CA91CX42_LINT_LM0		0x00100000
+#define CA91CX42_LINT_MBOX3		0x00080000
+#define CA91CX42_LINT_MBOX2		0x00040000
+#define CA91CX42_LINT_MBOX1		0x00020000
+#define CA91CX42_LINT_MBOX0		0x00010000
+#define CA91CX42_LINT_ACFAIL		0x00008000
+#define CA91CX42_LINT_SYSFAIL		0x00004000
+#define CA91CX42_LINT_SW_INT		0x00002000
+#define CA91CX42_LINT_SW_IACK		0x00001000
+
+#define CA91CX42_LINT_VERR		0x00000400
+#define CA91CX42_LINT_LERR		0x00000200
+#define CA91CX42_LINT_DMA		0x00000100
+#define CA91CX42_LINT_VIRQ7		0x00000080
+#define CA91CX42_LINT_VIRQ6		0x00000040
+#define CA91CX42_LINT_VIRQ5		0x00000020
+#define CA91CX42_LINT_VIRQ4		0x00000010
+#define CA91CX42_LINT_VIRQ3		0x00000008
+#define CA91CX42_LINT_VIRQ2		0x00000004
+#define CA91CX42_LINT_VIRQ1		0x00000002
+#define CA91CX42_LINT_VOWN		0x00000001
+
+static const int CA91CX42_LINT_VIRQ[] = { 0, CA91CX42_LINT_VIRQ1,
+				CA91CX42_LINT_VIRQ2, CA91CX42_LINT_VIRQ3,
+				CA91CX42_LINT_VIRQ4, CA91CX42_LINT_VIRQ5,
+				CA91CX42_LINT_VIRQ6, CA91CX42_LINT_VIRQ7 };
+
+#define CA91CX42_LINT_MBOX		0x000F0000
+
+static const int CA91CX42_LINT_LM[] = { CA91CX42_LINT_LM0, CA91CX42_LINT_LM1,
+					CA91CX42_LINT_LM2, CA91CX42_LINT_LM3 };
+
+/*
+ * MAST_CTL Register
+ * offset  400
+ */
+#define CA91CX42_BM_MAST_CTL_MAXRTRY        0xF0000000
+#define CA91CX42_OF_MAST_CTL_MAXRTRY        28
+#define CA91CX42_BM_MAST_CTL_PWON           0x0F000000
+#define CA91CX42_OF_MAST_CTL_PWON           24
+#define CA91CX42_BM_MAST_CTL_VRL            0x00C00000
+#define CA91CX42_OF_MAST_CTL_VRL            22
+#define CA91CX42_BM_MAST_CTL_VRM            0x00200000
+#define CA91CX42_BM_MAST_CTL_VREL           0x00100000
+#define CA91CX42_BM_MAST_CTL_VOWN           0x00080000
+#define CA91CX42_BM_MAST_CTL_VOWN_ACK       0x00040000
+#define CA91CX42_BM_MAST_CTL_PABS           0x00001000
+#define CA91CX42_BM_MAST_CTL_BUS_NO         0x0000000F
+#define CA91CX42_OF_MAST_CTL_BUS_NO         0
+
+/*
+ * MISC_CTL Register
+ * offset  404
+ */
+#define CA91CX42_MISC_CTL_VBTO           0xF0000000
+#define CA91CX42_MISC_CTL_VARB           0x04000000
+#define CA91CX42_MISC_CTL_VARBTO         0x03000000
+#define CA91CX42_MISC_CTL_SW_LRST        0x00800000
+#define CA91CX42_MISC_CTL_SW_SRST        0x00400000
+#define CA91CX42_MISC_CTL_BI             0x00100000
+#define CA91CX42_MISC_CTL_ENGBI          0x00080000
+#define CA91CX42_MISC_CTL_RESCIND        0x00040000
+#define CA91CX42_MISC_CTL_SYSCON         0x00020000
+#define CA91CX42_MISC_CTL_V64AUTO        0x00010000
+#define CA91CX42_MISC_CTL_RESERVED       0x0820FFFF
+
+#define CA91CX42_OF_MISC_CTL_VARBTO         24
+#define CA91CX42_OF_MISC_CTL_VBTO           28
+
+/*
+ * MISC_STAT Register
+ * offset  408
+ */
+#define CA91CX42_BM_MISC_STAT_ENDIAN        0x80000000
+#define CA91CX42_BM_MISC_STAT_LCLSIZE       0x40000000
+#define CA91CX42_BM_MISC_STAT_DY4AUTO       0x08000000
+#define CA91CX42_BM_MISC_STAT_MYBBSY        0x00200000
+#define CA91CX42_BM_MISC_STAT_DY4DONE       0x00080000
+#define CA91CX42_BM_MISC_STAT_TXFE          0x00040000
+#define CA91CX42_BM_MISC_STAT_RXFE          0x00020000
+#define CA91CX42_BM_MISC_STAT_DY4AUTOID     0x0000FF00
+#define CA91CX42_OF_MISC_STAT_DY4AUTOID     8
+
+/*
+ * VSI Control Register
+ * offset  F00
+ */
+#define CA91CX42_VSI_CTL_EN		(1<<31)
+#define CA91CX42_VSI_CTL_PWEN		(1<<30)
+#define CA91CX42_VSI_CTL_PREN		(1<<29)
+
+#define CA91CX42_VSI_CTL_PGM_M		(3<<22)
+#define CA91CX42_VSI_CTL_PGM_DATA	(1<<22)
+#define CA91CX42_VSI_CTL_PGM_PGM	(1<<23)
+
+#define CA91CX42_VSI_CTL_SUPER_M	(3<<20)
+#define CA91CX42_VSI_CTL_SUPER_NPRIV	(1<<20)
+#define CA91CX42_VSI_CTL_SUPER_SUPR	(1<<21)
+
+#define CA91CX42_VSI_CTL_VAS_M		(7<<16)
+#define CA91CX42_VSI_CTL_VAS_A16	0
+#define CA91CX42_VSI_CTL_VAS_A24	(1<<16)
+#define CA91CX42_VSI_CTL_VAS_A32	(1<<17)
+#define CA91CX42_VSI_CTL_VAS_USER1	(3<<17)
+#define CA91CX42_VSI_CTL_VAS_USER2	(7<<16)
+
+#define CA91CX42_VSI_CTL_LD64EN		(1<<7)
+#define CA91CX42_VSI_CTL_LLRMW		(1<<6)
+
+#define CA91CX42_VSI_CTL_LAS_M		(3<<0)
+#define CA91CX42_VSI_CTL_LAS_PCI_MS	0
+#define CA91CX42_VSI_CTL_LAS_PCI_IO	(1<<0)
+#define CA91CX42_VSI_CTL_LAS_PCI_CONF	(1<<1)
+
+/* LM_CTL Register
+ * offset  F64
+ */
+#define CA91CX42_LM_CTL_EN		(1<<31)
+#define CA91CX42_LM_CTL_PGM		(1<<23)
+#define CA91CX42_LM_CTL_DATA		(1<<22)
+#define CA91CX42_LM_CTL_SUPR		(1<<21)
+#define CA91CX42_LM_CTL_NPRIV		(1<<20)
+#define CA91CX42_LM_CTL_AS_M		(5<<16)
+#define CA91CX42_LM_CTL_AS_A16		0
+#define CA91CX42_LM_CTL_AS_A24		(1<<16)
+#define CA91CX42_LM_CTL_AS_A32		(1<<17)
+
+/*
+ * VRAI_CTL Register
+ * offset  F70
+ */
+#define CA91CX42_BM_VRAI_CTL_EN             0x80000000
+#define CA91CX42_BM_VRAI_CTL_PGM            0x00C00000
+#define CA91CX42_OF_VRAI_CTL_PGM            22
+#define CA91CX42_BM_VRAI_CTL_SUPER          0x00300000
+#define CA91CX42_OF_VRAI_CTL_SUPER          20
+#define CA91CX42_BM_VRAI_CTL_VAS            0x00030000
+#define CA91CX42_OF_VRAI_CTL_VAS            16
+
+/* VCSR_CTL Register
+ * offset F80
+ */
+#define CA91CX42_VCSR_CTL_EN		(1<<31)
+
+#define CA91CX42_VCSR_CTL_LAS_M		(3<<0)
+#define CA91CX42_VCSR_CTL_LAS_PCI_MS	0
+#define CA91CX42_VCSR_CTL_LAS_PCI_IO	(1<<0)
+#define CA91CX42_VCSR_CTL_LAS_PCI_CONF	(1<<1)
+
+/* VCSR_BS Register
+ * offset FFC
+ */
+#define CA91CX42_VCSR_BS_SLOT_M		(0x1F<<27)
+
+#endif /* _CA91CX42_H */

drivers/vme/vme_bridge.h

@@ -0,0 +1,174 @@
+#ifndef _VME_BRIDGE_H_
+#define _VME_BRIDGE_H_
+
+#define VME_CRCSR_BUF_SIZE (508*1024)
+/*
+ * Resource structures
+ */
+struct vme_master_resource {
+	struct list_head list;
+	struct vme_bridge *parent;
+	/*
+	 * We are likely to need to access the VME bus in interrupt context, so
+	 * protect master routines with a spinlock rather than a mutex.
+	 */
+	spinlock_t lock;
+	int locked;
+	int number;
+	u32 address_attr;
+	u32 cycle_attr;
+	u32 width_attr;
+	struct resource bus_resource;
+	void __iomem *kern_base;
+};
+
+struct vme_slave_resource {
+	struct list_head list;
+	struct vme_bridge *parent;
+	struct mutex mtx;
+	int locked;
+	int number;
+	u32 address_attr;
+	u32 cycle_attr;
+};
+
+struct vme_dma_pattern {
+	u32 pattern;
+	u32 type;
+};
+
+struct vme_dma_pci {
+	dma_addr_t address;
+};
+
+struct vme_dma_vme {
+	unsigned long long address;
+	u32 aspace;
+	u32 cycle;
+	u32 dwidth;
+};
+
+struct vme_dma_list {
+	struct list_head list;
+	struct vme_dma_resource *parent;
+	struct list_head entries;
+	struct mutex mtx;
+};
+
+struct vme_dma_resource {
+	struct list_head list;
+	struct vme_bridge *parent;
+	struct mutex mtx;
+	int locked;
+	int number;
+	struct list_head pending;
+	struct list_head running;
+	u32 route_attr;
+};
+
+struct vme_lm_resource {
+	struct list_head list;
+	struct vme_bridge *parent;
+	struct mutex mtx;
+	int locked;
+	int number;
+	int monitors;
+};
+
+struct vme_bus_error {
+	struct list_head list;
+	unsigned long long address;
+	u32 attributes;
+};
+
+struct vme_callback {
+	void (*func)(int, int, void*);
+	void *priv_data;
+};
+
+struct vme_irq {
+	int count;
+	struct vme_callback callback[255];
+};
+
+/* Allow 16 characters for name (including null character) */
+#define VMENAMSIZ 16
+
+/* This structure stores all the information about one bridge
+ * The structure should be dynamically allocated by the driver and one instance
+ * of the structure should be present for each VME chip present in the system.
+ */
+struct vme_bridge {
+	char name[VMENAMSIZ];
+	int num;
+	struct list_head master_resources;
+	struct list_head slave_resources;
+	struct list_head dma_resources;
+	struct list_head lm_resources;
+
+	struct list_head vme_errors;	/* List for errors generated on VME */
+	struct list_head devices;	/* List of devices on this bridge */
+
+	/* Bridge Info - XXX Move to private structure? */
+	struct device *parent;	/* Parent device (eg. pdev->dev for PCI) */
+	void *driver_priv;	/* Private pointer for the bridge driver */
+	struct list_head bus_list; /* list of VME buses */
+
+	/* Interrupt callbacks */
+	struct vme_irq irq[7];
+	/* Locking for VME irq callback configuration */
+	struct mutex irq_mtx;
+
+	/* Slave Functions */
+	int (*slave_get) (struct vme_slave_resource *, int *,
+		unsigned long long *, unsigned long long *, dma_addr_t *,
+		u32 *, u32 *);
+	int (*slave_set) (struct vme_slave_resource *, int, unsigned long long,
+		unsigned long long, dma_addr_t, u32, u32);
+
+	/* Master Functions */
+	int (*master_get) (struct vme_master_resource *, int *,
+		unsigned long long *, unsigned long long *, u32 *, u32 *,
+		u32 *);
+	int (*master_set) (struct vme_master_resource *, int,
+		unsigned long long, unsigned long long,  u32, u32, u32);
+	ssize_t (*master_read) (struct vme_master_resource *, void *, size_t,
+		loff_t);
+	ssize_t (*master_write) (struct vme_master_resource *, void *, size_t,
+		loff_t);
+	unsigned int (*master_rmw) (struct vme_master_resource *, unsigned int,
+		unsigned int, unsigned int, loff_t);
+
+	/* DMA Functions */
+	int (*dma_list_add) (struct vme_dma_list *, struct vme_dma_attr *,
+		struct vme_dma_attr *, size_t);
+	int (*dma_list_exec) (struct vme_dma_list *);
+	int (*dma_list_empty) (struct vme_dma_list *);
+
+	/* Interrupt Functions */
+	void (*irq_set) (struct vme_bridge *, int, int, int);
+	int (*irq_generate) (struct vme_bridge *, int, int);
+
+	/* Location monitor functions */
+	int (*lm_set) (struct vme_lm_resource *, unsigned long long, u32, u32);
+	int (*lm_get) (struct vme_lm_resource *, unsigned long long *, u32 *,
+		u32 *);
+	int (*lm_attach) (struct vme_lm_resource *, int, void (*callback)(int));
+	int (*lm_detach) (struct vme_lm_resource *, int);
+
+	/* CR/CSR space functions */
+	int (*slot_get) (struct vme_bridge *);
+
+	/* Bridge parent interface */
+	void *(*alloc_consistent)(struct device *dev, size_t size,
+		dma_addr_t *dma);
+	void (*free_consistent)(struct device *dev, size_t size,
+		void *vaddr, dma_addr_t dma);
+};
+
+void vme_irq_handler(struct vme_bridge *, int, int);
+
+int vme_register_bridge(struct vme_bridge *);
+void vme_unregister_bridge(struct vme_bridge *);
+
+#endif /* _VME_BRIDGE_H_ */