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-rw-r--r--arch/arm/mach-ixp2000/ixdp2800.c295
1 files changed, 0 insertions, 295 deletions
diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c
deleted file mode 100644
index a9f1819ea04..00000000000
--- a/arch/arm/mach-ixp2000/ixdp2800.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * arch/arm/mach-ixp2000/ixdp2800.c
- *
- * IXDP2800 platform support
- *
- * Original Author: Jeffrey Daly <jeffrey.daly@intel.com>
- * Maintainer: Deepak Saxena <dsaxena@plexity.net>
- *
- * Copyright (C) 2002 Intel Corp.
- * Copyright (C) 2003-2004 MontaVista Software, 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/kernel.h>
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/device.h>
-#include <linux/bitops.h>
-#include <linux/pci.h>
-#include <linux/ioport.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-
-#include <asm/irq.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-
-#include <asm/mach/pci.h>
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-#include <asm/mach/time.h>
-#include <asm/mach/flash.h>
-#include <asm/mach/arch.h>
-
-/*************************************************************************
- * IXDP2800 timer tick
- *************************************************************************/
-
-static void __init ixdp2800_timer_init(void)
-{
- ixp2000_init_time(50000000);
-}
-
-static struct sys_timer ixdp2800_timer = {
- .init = ixdp2800_timer_init,
- .offset = ixp2000_gettimeoffset,
-};
-
-/*************************************************************************
- * IXDP2800 PCI
- *************************************************************************/
-static void __init ixdp2800_slave_disable_pci_master(void)
-{
- *IXP2000_PCI_CMDSTAT &= ~(PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
-}
-
-static void __init ixdp2800_master_wait_for_slave(void)
-{
- volatile u32 *addr;
-
- printk(KERN_INFO "IXDP2800: waiting for slave NPU to configure "
- "its BAR sizes\n");
-
- addr = ixp2000_pci_config_addr(0, IXDP2X00_SLAVE_NPU_DEVFN,
- PCI_BASE_ADDRESS_1);
- do {
- *addr = 0xffffffff;
- cpu_relax();
- } while (*addr != 0xfe000008);
-
- addr = ixp2000_pci_config_addr(0, IXDP2X00_SLAVE_NPU_DEVFN,
- PCI_BASE_ADDRESS_2);
- do {
- *addr = 0xffffffff;
- cpu_relax();
- } while (*addr != 0xc0000008);
-
- /*
- * Configure the slave's SDRAM BAR by hand.
- */
- *addr = 0x40000008;
-}
-
-static void __init ixdp2800_slave_wait_for_master_enable(void)
-{
- printk(KERN_INFO "IXDP2800: waiting for master NPU to enable us\n");
-
- while ((*IXP2000_PCI_CMDSTAT & PCI_COMMAND_MASTER) == 0)
- cpu_relax();
-}
-
-void __init ixdp2800_pci_preinit(void)
-{
- printk("ixdp2x00_pci_preinit called\n");
-
- *IXP2000_PCI_ADDR_EXT = 0x0001e000;
-
- if (!ixdp2x00_master_npu())
- ixdp2800_slave_disable_pci_master();
-
- *IXP2000_PCI_SRAM_BASE_ADDR_MASK = (0x2000000 - 1) & ~0x3ffff;
- *IXP2000_PCI_DRAM_BASE_ADDR_MASK = (0x40000000 - 1) & ~0xfffff;
-
- ixp2000_pci_preinit();
-
- if (ixdp2x00_master_npu()) {
- /*
- * Wait until the slave set its SRAM/SDRAM BAR sizes
- * correctly before we proceed to scan and enumerate
- * the bus.
- */
- ixdp2800_master_wait_for_slave();
-
- /*
- * We configure the SDRAM BARs by hand because they
- * are 1G and fall outside of the regular allocated
- * PCI address space.
- */
- *IXP2000_PCI_SDRAM_BAR = 0x00000008;
- } else {
- /*
- * Wait for the master to complete scanning the bus
- * and assigning resources before we proceed to scan
- * the bus ourselves. Set pci=firmware to honor the
- * master's resource assignment.
- */
- ixdp2800_slave_wait_for_master_enable();
- pcibios_setup("firmware");
- }
-}
-
-/*
- * We assign the SDRAM BARs for the two IXP2800 CPUs by hand, outside
- * of the regular PCI window, because there's only 512M of outbound PCI
- * memory window on each IXP, while we need 1G for each of the BARs.
- */
-static void __devinit ixp2800_pci_fixup(struct pci_dev *dev)
-{
- if (machine_is_ixdp2800()) {
- dev->resource[2].start = 0;
- dev->resource[2].end = 0;
- dev->resource[2].flags = 0;
- }
-}
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IXP2800, ixp2800_pci_fixup);
-
-static int __init ixdp2800_pci_setup(int nr, struct pci_sys_data *sys)
-{
- sys->mem_offset = 0x00000000;
-
- ixp2000_pci_setup(nr, sys);
-
- return 1;
-}
-
-static int __init ixdp2800_pci_map_irq(const struct pci_dev *dev, u8 slot,
- u8 pin)
-{
- if (ixdp2x00_master_npu()) {
-
- /*
- * Root bus devices. Slave NPU is only one with interrupt.
- * Everything else, we just return -1 which is invalid.
- */
- if(!dev->bus->self) {
- if(dev->devfn == IXDP2X00_SLAVE_NPU_DEVFN )
- return IRQ_IXDP2800_INGRESS_NPU;
-
- return -1;
- }
-
- /*
- * Bridge behind the PMC slot.
- */
- if(dev->bus->self->devfn == IXDP2X00_PMC_DEVFN &&
- dev->bus->parent->self->devfn == IXDP2X00_P2P_DEVFN &&
- !dev->bus->parent->self->bus->parent)
- return IRQ_IXDP2800_PMC;
-
- /*
- * Device behind the first bridge
- */
- if(dev->bus->self->devfn == IXDP2X00_P2P_DEVFN) {
- switch(dev->devfn) {
- case IXDP2X00_PMC_DEVFN:
- return IRQ_IXDP2800_PMC;
-
- case IXDP2800_MASTER_ENET_DEVFN:
- return IRQ_IXDP2800_EGRESS_ENET;
-
- case IXDP2800_SWITCH_FABRIC_DEVFN:
- return IRQ_IXDP2800_FABRIC;
- }
- }
-
- return -1;
- } else return IRQ_IXP2000_PCIB; /* Slave NIC interrupt */
-}
-
-static void __init ixdp2800_master_enable_slave(void)
-{
- volatile u32 *addr;
-
- printk(KERN_INFO "IXDP2800: enabling slave NPU\n");
-
- addr = (volatile u32 *)ixp2000_pci_config_addr(0,
- IXDP2X00_SLAVE_NPU_DEVFN,
- PCI_COMMAND);
-
- *addr |= PCI_COMMAND_MASTER;
-}
-
-static void __init ixdp2800_master_wait_for_slave_bus_scan(void)
-{
- volatile u32 *addr;
-
- printk(KERN_INFO "IXDP2800: waiting for slave to finish bus scan\n");
-
- addr = (volatile u32 *)ixp2000_pci_config_addr(0,
- IXDP2X00_SLAVE_NPU_DEVFN,
- PCI_COMMAND);
- while ((*addr & PCI_COMMAND_MEMORY) == 0)
- cpu_relax();
-}
-
-static void __init ixdp2800_slave_signal_bus_scan_completion(void)
-{
- printk(KERN_INFO "IXDP2800: bus scan done, signaling master\n");
- *IXP2000_PCI_CMDSTAT |= PCI_COMMAND_MEMORY;
-}
-
-static void __init ixdp2800_pci_postinit(void)
-{
- if (!ixdp2x00_master_npu()) {
- ixdp2x00_slave_pci_postinit();
- ixdp2800_slave_signal_bus_scan_completion();
- }
-}
-
-struct __initdata hw_pci ixdp2800_pci __initdata = {
- .nr_controllers = 1,
- .setup = ixdp2800_pci_setup,
- .preinit = ixdp2800_pci_preinit,
- .postinit = ixdp2800_pci_postinit,
- .scan = ixp2000_pci_scan_bus,
- .map_irq = ixdp2800_pci_map_irq,
-};
-
-int __init ixdp2800_pci_init(void)
-{
- if (machine_is_ixdp2800()) {
- struct pci_dev *dev;
-
- pci_common_init(&ixdp2800_pci);
- if (ixdp2x00_master_npu()) {
- dev = pci_get_bus_and_slot(1, IXDP2800_SLAVE_ENET_DEVFN);
- pci_stop_and_remove_bus_device(dev);
- pci_dev_put(dev);
-
- ixdp2800_master_enable_slave();
- ixdp2800_master_wait_for_slave_bus_scan();
- } else {
- dev = pci_get_bus_and_slot(1, IXDP2800_MASTER_ENET_DEVFN);
- pci_stop_and_remove_bus_device(dev);
- pci_dev_put(dev);
- }
- }
-
- return 0;
-}
-
-subsys_initcall(ixdp2800_pci_init);
-
-void __init ixdp2800_init_irq(void)
-{
- ixdp2x00_init_irq(IXDP2800_CPLD_INT_STAT, IXDP2800_CPLD_INT_MASK, IXDP2800_NR_IRQS);
-}
-
-MACHINE_START(IXDP2800, "Intel IXDP2800 Development Platform")
- /* Maintainer: MontaVista Software, Inc. */
- .atag_offset = 0x100,
- .map_io = ixdp2x00_map_io,
- .init_irq = ixdp2800_init_irq,
- .timer = &ixdp2800_timer,
- .init_machine = ixdp2x00_init_machine,
- .restart = ixp2000_restart,
-MACHINE_END
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-13 16:46:24 +0000