Release 4.14 arch/powerpc/platforms/cell/setup.c
/*
* 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
*
* 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.
*/
#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 <asm/mmu.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/prom.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);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arnd Bergmann | 58 | 98.31% | 3 | 75.00% |
Stephen Rothwell | 1 | 1.69% | 1 | 25.00% |
Total | 59 | 100.00% | 4 | 100.00% |
static void cell_progress(char *s, unsigned short hex)
{
printk("*** %04x : %s\n", hex, s ? s : "");
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arnd Bergmann | 27 | 100.00% | 2 | 100.00% |
Total | 27 | 100.00% | 2 | 100.00% |
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));
}
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Michael Ellerman | 167 | 100.00% | 1 | 100.00% |
Total | 167 | 100.00% | 1 | 100.00% |
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 || strcmp(np->name, "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;
}
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Ishizaki Kou | 104 | 94.55% | 1 | 50.00% |
Michael Ellerman | 6 | 5.45% | 1 | 50.00% |
Total | 110 | 100.00% | 2 | 100.00% |
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 (np->type == NULL || (strcmp(np->type, "pci") != 0 &&
strcmp(np->type, "pciex") != 0))
continue;
of_platform_device_create(np, NULL, NULL);
}
/* 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;
}
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Ishizaki Kou | 66 | 54.10% | 1 | 20.00% |
Benjamin Herrenschmidt | 55 | 45.08% | 3 | 60.00% |
Jonas Bonn | 1 | 0.82% | 1 | 20.00% |
Total | 122 | 100.00% | 5 | 100.00% |
machine_subsys_initcall(cell, cell_publish_devices);
static void __init mpic_init_IRQ(void)
{
struct device_node *dn;
struct mpic *mpic;
for (dn = NULL;
(dn = of_find_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);
}
}
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Person | Tokens | Prop | Commits | CommitProp |
Benjamin Herrenschmidt | 78 | 95.12% | 1 | 25.00% |
Kyle Moffett | 3 | 3.66% | 2 | 50.00% |
Stephen Rothwell | 1 | 1.22% | 1 | 25.00% |
Total | 82 | 100.00% | 4 | 100.00% |
static void __init cell_init_irq(void)
{
iic_init_IRQ();
spider_init_IRQ();
mpic_init_IRQ();
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arnd Bergmann | 10 | 55.56% | 2 | 50.00% |
Benjamin Herrenschmidt | 8 | 44.44% | 2 | 50.00% |
Total | 18 | 100.00% | 4 | 100.00% |
static void __init cell_set_dabrx(void)
{
mtspr(SPRN_DABRX, DABRX_KERNEL | DABRX_USER);
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Jens Osterkamp | 18 | 100.00% | 1 | 100.00% |
Total | 18 | 100.00% | 1 | 100.00% |
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();
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
mmio_nvram_init();
}
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Arnd Bergmann | 33 | 46.48% | 3 | 37.50% |
Benjamin Herrenschmidt | 20 | 28.17% | 2 | 25.00% |
Geoff Levand | 15 | 21.13% | 2 | 25.00% |
Jens Osterkamp | 3 | 4.23% | 1 | 12.50% |
Total | 71 | 100.00% | 8 | 100.00% |
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;
}
Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arnd Bergmann | 18 | 54.55% | 3 | 42.86% |
Benjamin Herrenschmidt | 6 | 18.18% | 2 | 28.57% |
Michael Ellerman | 5 | 15.15% | 1 | 14.29% |
Alexander Graf | 4 | 12.12% | 1 | 14.29% |
Total | 33 | 100.00% | 7 | 100.00% |
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,
.calibrate_decr = generic_calibrate_decr,
.progress = cell_progress,
.init_IRQ = cell_init_irq,
.pci_setup_phb = cell_setup_phb,
};
struct pci_controller_ops cell_pci_controller_ops;
Overall Contributors
Person | Tokens | Prop | Commits | CommitProp |
Arnd Bergmann | 296 | 29.05% | 7 | 16.28% |
Benjamin Herrenschmidt | 208 | 20.41% | 10 | 23.26% |
Michael Ellerman | 193 | 18.94% | 6 | 13.95% |
Ishizaki Kou | 173 | 16.98% | 1 | 2.33% |
Jonas Bonn | 68 | 6.67% | 1 | 2.33% |
Jens Osterkamp | 21 | 2.06% | 1 | 2.33% |
Geoff Levand | 18 | 1.77% | 2 | 4.65% |
Joel H Schopp | 9 | 0.88% | 1 | 2.33% |
Daniel Axtens | 7 | 0.69% | 1 | 2.33% |
Alexander Graf | 4 | 0.39% | 1 | 2.33% |
Paul Mackerras | 4 | 0.39% | 2 | 4.65% |
Jon Loeliger | 3 | 0.29% | 1 | 2.33% |
Kyle Moffett | 3 | 0.29% | 2 | 4.65% |
Paul Gortmaker | 3 | 0.29% | 1 | 2.33% |
Stephen Rothwell | 3 | 0.29% | 3 | 6.98% |
Dave Jones | 3 | 0.29% | 1 | 2.33% |
Grant C. Likely | 2 | 0.20% | 1 | 2.33% |
Uwe Kleine-König | 1 | 0.10% | 1 | 2.33% |
Total | 1019 | 100.00% | 43 | 100.00% |
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