mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
3cc30d0726
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
148 lines
3.4 KiB
C
148 lines
3.4 KiB
C
/*
|
|
* linux/arch/powerpc/platforms/cell/qpace_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
|
|
* Modified by Benjamin Krill <ben@codiert.org>, IBM Corp.
|
|
*
|
|
* 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/sched.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/console.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <asm/mmu.h>
|
|
#include <asm/processor.h>
|
|
#include <asm/io.h>
|
|
#include <asm/kexec.h>
|
|
#include <asm/pgtable.h>
|
|
#include <asm/prom.h>
|
|
#include <asm/rtas.h>
|
|
#include <asm/dma.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/time.h>
|
|
#include <asm/cputable.h>
|
|
#include <asm/irq.h>
|
|
#include <asm/spu.h>
|
|
#include <asm/spu_priv1.h>
|
|
#include <asm/udbg.h>
|
|
#include <asm/cell-regs.h>
|
|
|
|
#include "interrupt.h"
|
|
#include "pervasive.h"
|
|
#include "ras.h"
|
|
|
|
static void qpace_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 qpace_progress(char *s, unsigned short hex)
|
|
{
|
|
printk("*** %04x : %s\n", hex, s ? s : "");
|
|
}
|
|
|
|
static const struct of_device_id qpace_bus_ids[] __initdata = {
|
|
{ .type = "soc", },
|
|
{ .compatible = "soc", },
|
|
{ .type = "spider", },
|
|
{ .type = "axon", },
|
|
{ .type = "plb5", },
|
|
{ .type = "plb4", },
|
|
{ .type = "opb", },
|
|
{ .type = "ebc", },
|
|
{},
|
|
};
|
|
|
|
static int __init qpace_publish_devices(void)
|
|
{
|
|
int node;
|
|
|
|
/* Publish OF platform devices for southbridge IOs */
|
|
of_platform_bus_probe(NULL, qpace_bus_ids, 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;
|
|
}
|
|
machine_subsys_initcall(qpace, qpace_publish_devices);
|
|
|
|
static void __init qpace_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();
|
|
|
|
#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;
|
|
|
|
cbe_pervasive_init();
|
|
#ifdef CONFIG_DUMMY_CONSOLE
|
|
conswitchp = &dummy_con;
|
|
#endif
|
|
}
|
|
|
|
static int __init qpace_probe(void)
|
|
{
|
|
unsigned long root = of_get_flat_dt_root();
|
|
|
|
if (!of_flat_dt_is_compatible(root, "IBM,QPACE"))
|
|
return 0;
|
|
|
|
hpte_init_native();
|
|
|
|
return 1;
|
|
}
|
|
|
|
define_machine(qpace) {
|
|
.name = "QPACE",
|
|
.probe = qpace_probe,
|
|
.setup_arch = qpace_setup_arch,
|
|
.show_cpuinfo = qpace_show_cpuinfo,
|
|
.restart = rtas_restart,
|
|
.power_off = rtas_power_off,
|
|
.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 = qpace_progress,
|
|
.init_IRQ = iic_init_IRQ,
|
|
};
|