MIPS: Remove VR41xx support

No (active) developer owns this hardware, so let's remove Linux support.

Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

1 files changed, 0 insertions, 309 deletions

diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
deleted file mode 100644
index 4f250c55b6e6..000000000000
--- a/arch/mips/pci/pci-vr41xx.c
+++ /dev/null
@@ -1,309 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- *  pci-vr41xx.c, PCI Control Unit routines for the NEC VR4100 series.
- *
- *  Copyright (C) 2001-2003 MontaVista Software Inc.
- *    Author: Yoichi Yuasa <source@mvista.com>
- *  Copyright (C) 2004-2008  Yoichi Yuasa <yuasa@linux-mips.org>
- *  Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
- */
-/*
- * Changes:
- *  MontaVista Software Inc. <source@mvista.com>
- *  - New creation, NEC VR4122 and VR4131 are supported.
- */
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-
-#include <asm/cpu.h>
-#include <asm/io.h>
-#include <asm/vr41xx/pci.h>
-#include <asm/vr41xx/vr41xx.h>
-
-#include "pci-vr41xx.h"
-
-extern struct pci_ops vr41xx_pci_ops;
-
-static void __iomem *pciu_base;
-
-#define pciu_read(offset)		readl(pciu_base + (offset))
-#define pciu_write(offset, value)	writel((value), pciu_base + (offset))
-
-static struct pci_master_address_conversion pci_master_memory1 = {
-	.bus_base_address	= PCI_MASTER_MEM1_BUS_BASE_ADDRESS,
-	.address_mask		= PCI_MASTER_MEM1_ADDRESS_MASK,
-	.pci_base_address	= PCI_MASTER_MEM1_PCI_BASE_ADDRESS,
-};
-
-static struct pci_target_address_conversion pci_target_memory1 = {
-	.address_mask		= PCI_TARGET_MEM1_ADDRESS_MASK,
-	.bus_base_address	= PCI_TARGET_MEM1_BUS_BASE_ADDRESS,
-};
-
-static struct pci_master_address_conversion pci_master_io = {
-	.bus_base_address	= PCI_MASTER_IO_BUS_BASE_ADDRESS,
-	.address_mask		= PCI_MASTER_IO_ADDRESS_MASK,
-	.pci_base_address	= PCI_MASTER_IO_PCI_BASE_ADDRESS,
-};
-
-static struct pci_mailbox_address pci_mailbox = {
-	.base_address		= PCI_MAILBOX_BASE_ADDRESS,
-};
-
-static struct pci_target_address_window pci_target_window1 = {
-	.base_address		= PCI_TARGET_WINDOW1_BASE_ADDRESS,
-};
-
-static struct resource pci_mem_resource = {
-	.name	= "PCI Memory resources",
-	.start	= PCI_MEM_RESOURCE_START,
-	.end	= PCI_MEM_RESOURCE_END,
-	.flags	= IORESOURCE_MEM,
-};
-
-static struct resource pci_io_resource = {
-	.name	= "PCI I/O resources",
-	.start	= PCI_IO_RESOURCE_START,
-	.end	= PCI_IO_RESOURCE_END,
-	.flags	= IORESOURCE_IO,
-};
-
-static struct pci_controller_unit_setup vr41xx_pci_controller_unit_setup = {
-	.master_memory1				= &pci_master_memory1,
-	.target_memory1				= &pci_target_memory1,
-	.master_io				= &pci_master_io,
-	.exclusive_access			= CANNOT_LOCK_FROM_DEVICE,
-	.wait_time_limit_from_irdy_to_trdy	= 0,
-	.mailbox				= &pci_mailbox,
-	.target_window1				= &pci_target_window1,
-	.master_latency_timer			= 0x80,
-	.retry_limit				= 0,
-	.arbiter_priority_control		= PCI_ARBITRATION_MODE_FAIR,
-	.take_away_gnt_mode			= PCI_TAKE_AWAY_GNT_DISABLE,
-};
-
-static struct pci_controller vr41xx_pci_controller = {
-	.pci_ops	= &vr41xx_pci_ops,
-	.mem_resource	= &pci_mem_resource,
-	.io_resource	= &pci_io_resource,
-};
-
-void __init vr41xx_pciu_setup(struct pci_controller_unit_setup *setup)
-{
-	vr41xx_pci_controller_unit_setup = *setup;
-}
-
-static int __init vr41xx_pciu_init(void)
-{
-	struct pci_controller_unit_setup *setup;
-	struct pci_master_address_conversion *master;
-	struct pci_target_address_conversion *target;
-	struct pci_mailbox_address *mailbox;
-	struct pci_target_address_window *window;
-	unsigned long vtclock, pci_clock_max;
-	uint32_t val;
-
-	setup = &vr41xx_pci_controller_unit_setup;
-
-	if (request_mem_region(PCIU_BASE, PCIU_SIZE, "PCIU") == NULL)
-		return -EBUSY;
-
-	pciu_base = ioremap(PCIU_BASE, PCIU_SIZE);
-	if (pciu_base == NULL) {
-		release_mem_region(PCIU_BASE, PCIU_SIZE);
-		return -EBUSY;
-	}
-
-	/* Disable PCI interrupt */
-	vr41xx_disable_pciint();
-
-	/* Supply VTClock to PCIU */
-	vr41xx_supply_clock(PCIU_CLOCK);
-
-	/* Dummy write, waiting for supply of VTClock. */
-	vr41xx_disable_pciint();
-
-	/* Select PCI clock */
-	if (setup->pci_clock_max != 0)
-		pci_clock_max = setup->pci_clock_max;
-	else
-		pci_clock_max = PCI_CLOCK_MAX;
-	vtclock = vr41xx_get_vtclock_frequency();
-	if (vtclock < pci_clock_max)
-		pciu_write(PCICLKSELREG, EQUAL_VTCLOCK);
-	else if ((vtclock / 2) < pci_clock_max)
-		pciu_write(PCICLKSELREG, HALF_VTCLOCK);
-	else if (current_cpu_data.processor_id >= PRID_VR4131_REV2_1 &&
-		 (vtclock / 3) < pci_clock_max)
-		pciu_write(PCICLKSELREG, ONE_THIRD_VTCLOCK);
-	else if ((vtclock / 4) < pci_clock_max)
-		pciu_write(PCICLKSELREG, QUARTER_VTCLOCK);
-	else {
-		printk(KERN_ERR "PCI Clock is over 33MHz.\n");
-		iounmap(pciu_base);
-		return -EINVAL;
-	}
-
-	/* Supply PCI clock by PCI bus */
-	vr41xx_supply_clock(PCI_CLOCK);
-
-	if (setup->master_memory1 != NULL) {
-		master = setup->master_memory1;
-		val = IBA(master->bus_base_address) |
-		      MASTER_MSK(master->address_mask) |
-		      WINEN |
-		      PCIA(master->pci_base_address);
-		pciu_write(PCIMMAW1REG, val);
-	} else {
-		val = pciu_read(PCIMMAW1REG);
-		val &= ~WINEN;
-		pciu_write(PCIMMAW1REG, val);
-	}
-
-	if (setup->master_memory2 != NULL) {
-		master = setup->master_memory2;
-		val = IBA(master->bus_base_address) |
-		      MASTER_MSK(master->address_mask) |
-		      WINEN |
-		      PCIA(master->pci_base_address);
-		pciu_write(PCIMMAW2REG, val);
-	} else {
-		val = pciu_read(PCIMMAW2REG);
-		val &= ~WINEN;
-		pciu_write(PCIMMAW2REG, val);
-	}
-
-	if (setup->target_memory1 != NULL) {
-		target = setup->target_memory1;
-		val = TARGET_MSK(target->address_mask) |
-		      WINEN |
-		      ITA(target->bus_base_address);
-		pciu_write(PCITAW1REG, val);
-	} else {
-		val = pciu_read(PCITAW1REG);
-		val &= ~WINEN;
-		pciu_write(PCITAW1REG, val);
-	}
-
-	if (setup->target_memory2 != NULL) {
-		target = setup->target_memory2;
-		val = TARGET_MSK(target->address_mask) |
-		      WINEN |
-		      ITA(target->bus_base_address);
-		pciu_write(PCITAW2REG, val);
-	} else {
-		val = pciu_read(PCITAW2REG);
-		val &= ~WINEN;
-		pciu_write(PCITAW2REG, val);
-	}
-
-	if (setup->master_io != NULL) {
-		master = setup->master_io;
-		val = IBA(master->bus_base_address) |
-		      MASTER_MSK(master->address_mask) |
-		      WINEN |
-		      PCIIA(master->pci_base_address);
-		pciu_write(PCIMIOAWREG, val);
-	} else {
-		val = pciu_read(PCIMIOAWREG);
-		val &= ~WINEN;
-		pciu_write(PCIMIOAWREG, val);
-	}
-
-	if (setup->exclusive_access == CANNOT_LOCK_FROM_DEVICE)
-		pciu_write(PCIEXACCREG, UNLOCK);
-	else
-		pciu_write(PCIEXACCREG, 0);
-
-	if (current_cpu_type() == CPU_VR4122)
-		pciu_write(PCITRDYVREG, TRDYV(setup->wait_time_limit_from_irdy_to_trdy));
-
-	pciu_write(LATTIMEREG, MLTIM(setup->master_latency_timer));
-
-	if (setup->mailbox != NULL) {
-		mailbox = setup->mailbox;
-		val = MBADD(mailbox->base_address) | TYPE_32BITSPACE |
-		      MSI_MEMORY | PREF_APPROVAL;
-		pciu_write(MAILBAREG, val);
-	}
-
-	if (setup->target_window1) {
-		window = setup->target_window1;
-		val = PMBA(window->base_address) | TYPE_32BITSPACE |
-		      MSI_MEMORY | PREF_APPROVAL;
-		pciu_write(PCIMBA1REG, val);
-	}
-
-	if (setup->target_window2) {
-		window = setup->target_window2;
-		val = PMBA(window->base_address) | TYPE_32BITSPACE |
-		      MSI_MEMORY | PREF_APPROVAL;
-		pciu_write(PCIMBA2REG, val);
-	}
-
-	val = pciu_read(RETVALREG);
-	val &= ~RTYVAL_MASK;
-	val |= RTYVAL(setup->retry_limit);
-	pciu_write(RETVALREG, val);
-
-	val = pciu_read(PCIAPCNTREG);
-	val &= ~(TKYGNT | PAPC);
-
-	switch (setup->arbiter_priority_control) {
-	case PCI_ARBITRATION_MODE_ALTERNATE_0:
-		val |= PAPC_ALTERNATE_0;
-		break;
-	case PCI_ARBITRATION_MODE_ALTERNATE_B:
-		val |= PAPC_ALTERNATE_B;
-		break;
-	default:
-		val |= PAPC_FAIR;
-		break;
-	}
-
-	if (setup->take_away_gnt_mode == PCI_TAKE_AWAY_GNT_ENABLE)
-		val |= TKYGNT_ENABLE;
-
-	pciu_write(PCIAPCNTREG, val);
-
-	pciu_write(COMMANDREG, PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
-			       PCI_COMMAND_MASTER | PCI_COMMAND_PARITY |
-			       PCI_COMMAND_SERR);
-
-	/* Clear bus error */
-	pciu_read(BUSERRADREG);
-
-	pciu_write(PCIENREG, PCIU_CONFIG_DONE);
-
-	if (setup->mem_resource != NULL)
-		vr41xx_pci_controller.mem_resource = setup->mem_resource;
-
-	if (setup->io_resource != NULL) {
-		vr41xx_pci_controller.io_resource = setup->io_resource;
-	} else {
-		set_io_port_base(IO_PORT_BASE);
-		ioport_resource.start = IO_PORT_RESOURCE_START;
-		ioport_resource.end = IO_PORT_RESOURCE_END;
-	}
-
-	if (setup->master_io) {
-		void __iomem *io_map_base;
-		struct resource *res = vr41xx_pci_controller.io_resource;
-		master = setup->master_io;
-		io_map_base = ioremap(master->bus_base_address,
-				      resource_size(res));
-		if (!io_map_base) {
-			iounmap(pciu_base);
-			return -EBUSY;
-		}
-
-		vr41xx_pci_controller.io_map_base = (unsigned long)io_map_base;
-	}
-
-	register_pci_controller(&vr41xx_pci_controller);
-
-	return 0;
-}
-
-arch_initcall(vr41xx_pciu_init);