diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/setup.c')
-rw-r--r-- | arch/powerpc/platforms/cell/setup.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c deleted file mode 100644 index f64a1ef98aa8..000000000000 --- a/arch/powerpc/platforms/cell/setup.c +++ /dev/null @@ -1,274 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * linux/arch/powerpc/platforms/cell/cell_setup.c - * - * Copyright (C) 1995 Linus Torvalds - * Adapted from 'alpha' version by Gary Thomas - * Modified by Cort Dougan (cort@cs.nmt.edu) - * Modified by PPC64 Team, IBM Corp - * Modified by Cell Team, IBM Deutschland Entwicklung GmbH - */ -#undef DEBUG - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/stddef.h> -#include <linux/export.h> -#include <linux/unistd.h> -#include <linux/user.h> -#include <linux/reboot.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/irq.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/console.h> -#include <linux/mutex.h> -#include <linux/memory_hotplug.h> -#include <linux/of_platform.h> -#include <linux/platform_device.h> - -#include <asm/mmu.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <asm/rtas.h> -#include <asm/pci-bridge.h> -#include <asm/iommu.h> -#include <asm/dma.h> -#include <asm/machdep.h> -#include <asm/time.h> -#include <asm/nvram.h> -#include <asm/cputable.h> -#include <asm/ppc-pci.h> -#include <asm/irq.h> -#include <asm/spu.h> -#include <asm/spu_priv1.h> -#include <asm/udbg.h> -#include <asm/mpic.h> -#include <asm/cell-regs.h> -#include <asm/io-workarounds.h> - -#include "cell.h" -#include "interrupt.h" -#include "pervasive.h" -#include "ras.h" - -#ifdef DEBUG -#define DBG(fmt...) udbg_printf(fmt) -#else -#define DBG(fmt...) -#endif - -static void cell_show_cpuinfo(struct seq_file *m) -{ - struct device_node *root; - const char *model = ""; - - root = of_find_node_by_path("/"); - if (root) - model = of_get_property(root, "model", NULL); - seq_printf(m, "machine\t\t: CHRP %s\n", model); - of_node_put(root); -} - -static void cell_progress(char *s, unsigned short hex) -{ - printk("*** %04x : %s\n", hex, s ? s : ""); -} - -static void cell_fixup_pcie_rootcomplex(struct pci_dev *dev) -{ - struct pci_controller *hose; - const char *s; - int i; - - if (!machine_is(cell)) - return; - - /* We're searching for a direct child of the PHB */ - if (dev->bus->self != NULL || dev->devfn != 0) - return; - - hose = pci_bus_to_host(dev->bus); - if (hose == NULL) - return; - - /* Only on PCIE */ - if (!of_device_is_compatible(hose->dn, "pciex")) - return; - - /* And only on axon */ - s = of_get_property(hose->dn, "model", NULL); - if (!s || strcmp(s, "Axon") != 0) - return; - - for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) { - dev->resource[i].start = dev->resource[i].end = 0; - dev->resource[i].flags = 0; - } - - printk(KERN_DEBUG "PCI: Hiding resources on Axon PCIE RC %s\n", - pci_name(dev)); -} -DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, cell_fixup_pcie_rootcomplex); - -static int cell_setup_phb(struct pci_controller *phb) -{ - const char *model; - struct device_node *np; - - int rc = rtas_setup_phb(phb); - if (rc) - return rc; - - phb->controller_ops = cell_pci_controller_ops; - - np = phb->dn; - model = of_get_property(np, "model", NULL); - if (model == NULL || !of_node_name_eq(np, "pci")) - return 0; - - /* Setup workarounds for spider */ - if (strcmp(model, "Spider")) - return 0; - - iowa_register_bus(phb, &spiderpci_ops, &spiderpci_iowa_init, - (void *)SPIDER_PCI_REG_BASE); - return 0; -} - -static const struct of_device_id cell_bus_ids[] __initconst = { - { .type = "soc", }, - { .compatible = "soc", }, - { .type = "spider", }, - { .type = "axon", }, - { .type = "plb5", }, - { .type = "plb4", }, - { .type = "opb", }, - { .type = "ebc", }, - {}, -}; - -static int __init cell_publish_devices(void) -{ - struct device_node *root = of_find_node_by_path("/"); - struct device_node *np; - int node; - - /* Publish OF platform devices for southbridge IOs */ - of_platform_bus_probe(NULL, cell_bus_ids, NULL); - - /* On spider based blades, we need to manually create the OF - * platform devices for the PCI host bridges - */ - for_each_child_of_node(root, np) { - if (!of_node_is_type(np, "pci") && !of_node_is_type(np, "pciex")) - continue; - of_platform_device_create(np, NULL, NULL); - } - - of_node_put(root); - - /* There is no device for the MIC memory controller, thus we create - * a platform device for it to attach the EDAC driver to. - */ - for_each_online_node(node) { - if (cbe_get_cpu_mic_tm_regs(cbe_node_to_cpu(node)) == NULL) - continue; - platform_device_register_simple("cbe-mic", node, NULL, 0); - } - - return 0; -} -machine_subsys_initcall(cell, cell_publish_devices); - -static void __init mpic_init_IRQ(void) -{ - struct device_node *dn; - struct mpic *mpic; - - for_each_node_by_name(dn, "interrupt-controller") { - if (!of_device_is_compatible(dn, "CBEA,platform-open-pic")) - continue; - - /* The MPIC driver will get everything it needs from the - * device-tree, just pass 0 to all arguments - */ - mpic = mpic_alloc(dn, 0, MPIC_SECONDARY | MPIC_NO_RESET, - 0, 0, " MPIC "); - if (mpic == NULL) - continue; - mpic_init(mpic); - } -} - - -static void __init cell_init_irq(void) -{ - iic_init_IRQ(); - spider_init_IRQ(); - mpic_init_IRQ(); -} - -static void __init cell_set_dabrx(void) -{ - mtspr(SPRN_DABRX, DABRX_KERNEL | DABRX_USER); -} - -static void __init cell_setup_arch(void) -{ -#ifdef CONFIG_SPU_BASE - spu_priv1_ops = &spu_priv1_mmio_ops; - spu_management_ops = &spu_management_of_ops; -#endif - - cbe_regs_init(); - - cell_set_dabrx(); - -#ifdef CONFIG_CBE_RAS - cbe_ras_init(); -#endif - -#ifdef CONFIG_SMP - smp_init_cell(); -#endif - /* init to some ~sane value until calibrate_delay() runs */ - loops_per_jiffy = 50000000; - - /* Find and initialize PCI host bridges */ - init_pci_config_tokens(); - - cbe_pervasive_init(); - - mmio_nvram_init(); -} - -static int __init cell_probe(void) -{ - if (!of_machine_is_compatible("IBM,CBEA") && - !of_machine_is_compatible("IBM,CPBW-1.0")) - return 0; - - pm_power_off = rtas_power_off; - - return 1; -} - -define_machine(cell) { - .name = "Cell", - .probe = cell_probe, - .setup_arch = cell_setup_arch, - .show_cpuinfo = cell_show_cpuinfo, - .restart = rtas_restart, - .halt = rtas_halt, - .get_boot_time = rtas_get_boot_time, - .get_rtc_time = rtas_get_rtc_time, - .set_rtc_time = rtas_set_rtc_time, - .progress = cell_progress, - .init_IRQ = cell_init_irq, - .pci_setup_phb = cell_setup_phb, -}; - -struct pci_controller_ops cell_pci_controller_ops; |