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/*
* Celleb setup code
*
* (C) Copyright 2006-2007 TOSHIBA CORPORATION
*
* This code is based on arch/powerpc/platforms/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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#undef DEBUG
#include <linux/cpu.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/stddef.h>
#include <linux/unistd.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/of_platform.h>
#include <asm/mmu.h>
#include <asm/processor.h>
#include <asm/io.h>
#include <asm/kexec.h>
#include <asm/prom.h>
#include <asm/machdep.h>
#include <asm/cputable.h>
#include <asm/irq.h>
#include <asm/time.h>
#include <asm/spu_priv1.h>
#include <asm/firmware.h>
#include <asm/rtas.h>
#include <asm/cell-regs.h>
#include "beat_interrupt.h"
#include "beat_wrapper.h"
#include "beat.h"
#include "celleb_pci.h"
#include "interrupt.h"
#include "pervasive.h"
#include "ras.h"
static char celleb_machine_type[128] = "Celleb";
static void celleb_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);
/* using "CHRP" is to trick anaconda into installing FCx into Celleb */
seq_printf(m, "machine\t\t: %s %s\n", celleb_machine_type, model);
of_node_put(root);
}
static int __init celleb_machine_type_hack(char *ptr)
{
strncpy(celleb_machine_type, ptr, sizeof(celleb_machine_type));
celleb_machine_type[sizeof(celleb_machine_type)-1] = 0;
return 0;
}
__setup("celleb_machine_type_hack=", celleb_machine_type_hack);
static void celleb_progress(char *s, unsigned short hex)
{
printk("*** %04x : %s\n", hex, s ? s : "");
}
static void __init celleb_setup_arch_common(void)
{
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000;
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
}
static struct of_device_id celleb_bus_ids[] __initdata = {
{ .type = "scc", },
{ .type = "ioif", }, /* old style */
{},
};
static int __init celleb_publish_devices(void)
{
/* Publish OF platform devices for southbridge IOs */
of_platform_bus_probe(NULL, celleb_bus_ids, NULL);
return 0;
}
machine_device_initcall(celleb_beat, celleb_publish_devices);
machine_device_initcall(celleb_native, celleb_publish_devices);
/*
* functions for Celleb-Beat
*/
static void __init celleb_setup_arch_beat(void)
{
#ifdef CONFIG_SPU_BASE
spu_priv1_ops = &spu_priv1_beat_ops;
spu_management_ops = &spu_management_of_ops;
#endif
#ifdef CONFIG_SMP
smp_init_celleb();
#endif
celleb_setup_arch_common();
}
static int __init celleb_probe_beat(void)
{
unsigned long root = of_get_flat_dt_root();
if (!of_flat_dt_is_compatible(root, "Beat"))
return 0;
powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS
| FW_FEATURE_BEAT | FW_FEATURE_LPAR;
hpte_init_beat_v3();
return 1;
}
/*
* functions for Celleb-native
*/
static void __init celleb_init_IRQ_native(void)
{
iic_init_IRQ();
spider_init_IRQ();
}
static void __init celleb_setup_arch_native(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
cbe_pervasive_init();
/* XXX: nvram initialization should be added */
celleb_setup_arch_common();
}
static int __init celleb_probe_native(void)
{
unsigned long root = of_get_flat_dt_root();
if (of_flat_dt_is_compatible(root, "Beat") ||
!of_flat_dt_is_compatible(root, "TOSHIBA,Celleb"))
return 0;
powerpc_firmware_features |= FW_FEATURE_CELLEB_ALWAYS;
hpte_init_native();
return 1;
}
/*
* machine definitions
*/
define_machine(celleb_beat) {
.name = "Cell Reference Set (Beat)",
.probe = celleb_probe_beat,
.setup_arch = celleb_setup_arch_beat,
.show_cpuinfo = celleb_show_cpuinfo,
.restart = beat_restart,
.power_off = beat_power_off,
.halt = beat_halt,
.get_rtc_time = beat_get_rtc_time,
.set_rtc_time = beat_set_rtc_time,
.calibrate_decr = generic_calibrate_decr,
.progress = celleb_progress,
.power_save = beat_power_save,
.nvram_size = beat_nvram_get_size,
.nvram_read = beat_nvram_read,
.nvram_write = beat_nvram_write,
.set_dabr = beat_set_xdabr,
.init_IRQ = beatic_init_IRQ,
.get_irq = beatic_get_irq,
.pci_probe_mode = celleb_pci_probe_mode,
.pci_setup_phb = celleb_setup_phb,
#ifdef CONFIG_KEXEC
.kexec_cpu_down = beat_kexec_cpu_down,
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,
.machine_crash_shutdown = default_machine_crash_shutdown,
#endif
};
define_machine(celleb_native) {
.name = "Cell Reference Set (native)",
.probe = celleb_probe_native,
.setup_arch = celleb_setup_arch_native,
.show_cpuinfo = celleb_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 = celleb_progress,
.pci_probe_mode = celleb_pci_probe_mode,
.pci_setup_phb = celleb_setup_phb,
.init_IRQ = celleb_init_IRQ_native,
#ifdef CONFIG_KEXEC
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,
.machine_crash_shutdown = default_machine_crash_shutdown,
#endif
};
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