Commit c347b798 authored by Ishizaki Kou's avatar Ishizaki Kou Committed by Paul Mackerras
Browse files

[POWERPC] Celleb: basic support



This patch adds base support for Celleb platform.
Signed-off-by: default avatarKou Ishizaki <kou.ishizaki@toshiba.co.jp>
Acked-by: default avatarArnd Bergmann <arnd.bergmann@de.ibm.com>
Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent e1079319
......@@ -539,6 +539,16 @@ config PPC_PS3
This option enables support for the Sony PS3 game console
and other platforms using the PS3 hypervisor.
config PPC_CELLEB
bool "Toshiba's Cell Reference Set 'Celleb' Architecture"
depends on PPC_MULTIPLATFORM && PPC64
select PPC_CELL
select PPC_OF_PLATFORM_PCI
select HAS_TXX9_SERIAL
select PPC_UDBG_BEAT
select USB_OHCI_BIG_ENDIAN_MMIO
select USB_EHCI_BIG_ENDIAN_MMIO
config PPC_NATIVE
bool
depends on PPC_MULTIPLATFORM
......@@ -552,6 +562,11 @@ config UDBG_RTAS_CONSOLE
depends on PPC_RTAS
default n
config PPC_UDBG_BEAT
bool "BEAT based debug console"
depends on PPC_CELLEB
default n
config XICS
depends on PPC_PSERIES
bool
......
......@@ -185,6 +185,13 @@ config PPC_EARLY_DEBUG_ISERIES
Select this to enable early debugging for legacy iSeries. You need
to hit "Ctrl-x Ctrl-x" to see the messages on the console.
config PPC_EARLY_DEBUG_BEAT
bool "Beat HV Console"
depends on PPC_CELLEB
select PPC_UDBG_BEAT
help
Select this to enable early debugging for Celleb with Beat.
endchoice
endmenu
......@@ -162,6 +162,7 @@ image-$(CONFIG_PPC_PSERIES) += zImage.pseries
image-$(CONFIG_PPC_MAPLE) += zImage.pseries
image-$(CONFIG_PPC_IBM_CELL_BLADE) += zImage.pseries
image-$(CONFIG_PPC_PS3) += zImage.ps3
image-$(CONFIG_PPC_CELLEB) += zImage.pseries
image-$(CONFIG_PPC_CHRP) += zImage.chrp
image-$(CONFIG_PPC_EFIKA) += zImage.chrp
image-$(CONFIG_PPC_PMAC) += zImage.pmac
......
......@@ -19,4 +19,5 @@ obj-$(CONFIG_PPC_MAPLE) += maple/
obj-$(CONFIG_PPC_PASEMI) += pasemi/
obj-$(CONFIG_PPC_CELL) += cell/
obj-$(CONFIG_PPC_PS3) += ps3/
obj-$(CONFIG_PPC_CELLEB) += celleb/
obj-$(CONFIG_EMBEDDED6xx) += embedded6xx/
obj-y += interrupt.o iommu.o setup.o \
htab.o beat.o pci.o \
scc_epci.o hvCall.o
obj-$(CONFIG_SMP) += smp.o
obj-$(CONFIG_PPC_UDBG_BEAT) += udbg_beat.o
obj-$(CONFIG_USB) += scc_uhc.o
obj-$(CONFIG_HAS_TXX9_SERIAL) += scc_sio.o
obj-$(CONFIG_SPU_BASE) += spu_priv1.o
/*
* Simple routines for Celleb/Beat
*
* (C) Copyright 2006-2007 TOSHIBA CORPORATION
*
* 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.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/err.h>
#include <linux/rtc.h>
#include <asm/hvconsole.h>
#include <asm/time.h>
#include "beat_wrapper.h"
#include "beat.h"
void beat_restart(char *cmd)
{
beat_shutdown_logical_partition(1);
}
void beat_power_off(void)
{
beat_shutdown_logical_partition(0);
}
u64 beat_halt_code = 0x1000000000000000UL;
void beat_halt(void)
{
beat_shutdown_logical_partition(beat_halt_code);
}
int beat_set_rtc_time(struct rtc_time *rtc_time)
{
u64 tim;
tim = mktime(rtc_time->tm_year+1900,
rtc_time->tm_mon+1, rtc_time->tm_mday,
rtc_time->tm_hour, rtc_time->tm_min, rtc_time->tm_sec);
if (beat_rtc_write(tim))
return -1;
return 0;
}
void beat_get_rtc_time(struct rtc_time *rtc_time)
{
u64 tim;
if (beat_rtc_read(&tim))
tim = 0;
to_tm(tim, rtc_time);
rtc_time->tm_year -= 1900;
rtc_time->tm_mon -= 1;
}
#define BEAT_NVRAM_SIZE 4096
ssize_t beat_nvram_read(char *buf, size_t count, loff_t *index)
{
unsigned int i;
unsigned long len;
char *p = buf;
if (*index >= BEAT_NVRAM_SIZE)
return -ENODEV;
i = *index;
if (i + count > BEAT_NVRAM_SIZE)
count = BEAT_NVRAM_SIZE - i;
for (; count != 0; count -= len) {
len = count;
if (len > BEAT_NVRW_CNT)
len = BEAT_NVRW_CNT;
if (beat_eeprom_read(i, len, p)) {
return -EIO;
}
p += len;
i += len;
}
*index = i;
return p - buf;
}
ssize_t beat_nvram_write(char *buf, size_t count, loff_t *index)
{
unsigned int i;
unsigned long len;
char *p = buf;
if (*index >= BEAT_NVRAM_SIZE)
return -ENODEV;
i = *index;
if (i + count > BEAT_NVRAM_SIZE)
count = BEAT_NVRAM_SIZE - i;
for (; count != 0; count -= len) {
len = count;
if (len > BEAT_NVRW_CNT)
len = BEAT_NVRW_CNT;
if (beat_eeprom_write(i, len, p)) {
return -EIO;
}
p += len;
i += len;
}
*index = i;
return p - buf;
}
ssize_t beat_nvram_get_size(void)
{
return BEAT_NVRAM_SIZE;
}
int beat_set_xdabr(unsigned long dabr)
{
if (beat_set_dabr(dabr, DABRX_KERNEL | DABRX_USER))
return -1;
return 0;
}
int64_t beat_get_term_char(u64 vterm, u64 *len, u64 *t1, u64 *t2)
{
u64 db[2];
s64 ret;
ret = beat_get_characters_from_console(vterm, len, (u8*)db);
if (ret == 0) {
*t1 = db[0];
*t2 = db[1];
}
return ret;
}
int64_t beat_put_term_char(u64 vterm, u64 len, u64 t1, u64 t2)
{
u64 db[2];
db[0] = t1;
db[1] = t2;
return beat_put_characters_to_console(vterm, len, (u8*)db);
}
EXPORT_SYMBOL(beat_get_term_char);
EXPORT_SYMBOL(beat_put_term_char);
EXPORT_SYMBOL(beat_halt_code);
/*
* Guest OS Interfaces.
*
* (C) Copyright 2006 TOSHIBA CORPORATION
*
* 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.
*/
#ifndef _CELLEB_BEAT_H
#define _CELLEB_BEAT_H
#define DABRX_KERNEL (1UL<<1)
#define DABRX_USER (1UL<<0)
int64_t beat_get_term_char(uint64_t,uint64_t*,uint64_t*,uint64_t*);
int64_t beat_put_term_char(uint64_t,uint64_t,uint64_t,uint64_t);
int64_t beat_repository_encode(int, const char *, uint64_t[4]);
void beat_restart(char *);
void beat_power_off(void);
void beat_halt(void);
int beat_set_rtc_time(struct rtc_time *);
void beat_get_rtc_time(struct rtc_time *);
ssize_t beat_nvram_get_size(void);
ssize_t beat_nvram_read(char *, size_t, loff_t *);
ssize_t beat_nvram_write(char *, size_t, loff_t *);
int beat_set_xdabr(unsigned long);
#endif /* _CELLEB_BEAT_H */
/*
* 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 <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/spu_priv1.h>
#include <asm/firmware.h>
#include <asm/of_platform.h>
#include "interrupt.h"
#include "beat_wrapper.h"
#include "beat.h"
#include "pci.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 = 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 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(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
/* init to some ~sane value until calibrate_delay() runs */
loops_per_jiffy = 50000000;
if (ROOT_DEV == 0) {
printk("No ramdisk, default root is /dev/hda2\n");
ROOT_DEV = Root_HDA2;
}
#ifdef CONFIG_DUMMY_CONSOLE
conswitchp = &dummy_con;
#endif
}
static void beat_power_save(void)
{
beat_pause(0);
}
static int __init celleb_probe(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_POSSIBLE;
hpte_init_beat();
return 1;
}
/*
* Cell has no legacy IO; anything calling this function has to
* fail or bad things will happen
*/
static int celleb_check_legacy_ioport(unsigned int baseport)
{
return -ENODEV;
}
static void celleb_kexec_cpu_down(int crash, int secondary)
{
beatic_deinit_IRQ();
}
static struct of_device_id celleb_bus_ids[] = {
{ .type = "scc", },
{ .type = "ioif", }, /* old style */
{},
};
static int __init celleb_publish_devices(void)
{
if (!machine_is(celleb))
return 0;
/* Publish OF platform devices for southbridge IOs */
of_platform_bus_probe(NULL, celleb_bus_ids, NULL);
return 0;
}
device_initcall(celleb_publish_devices);
define_machine(celleb) {
.name = "Cell Reference Set",
.probe = celleb_probe,
.setup_arch = celleb_setup_arch,
.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,
.check_legacy_ioport = celleb_check_legacy_ioport,
.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 = celleb_kexec_cpu_down,
.machine_kexec = default_machine_kexec,
.machine_kexec_prepare = default_machine_kexec_prepare,
.machine_crash_shutdown = default_machine_crash_shutdown,
#endif
};
/*
* SMP support for Celleb platform. (Incomplete)
*
* (C) Copyright 2006 TOSHIBA CORPORATION
*
* This code is based on arch/powerpc/platforms/cell/smp.c:
* Dave Engebretsen, Peter Bergner, and
* Mike Corrigan {engebret|bergner|mikec}@us.ibm.com
* Plus various changes from other IBM teams...
*
* 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/kernel.h>
#include <linux/smp.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/threads.h>
#include <linux/cpu.h>
#include <asm/irq.h>
#include <asm/smp.h>
#include <asm/machdep.h>
#include <asm/udbg.h>
#include "interrupt.h"
#ifdef DEBUG
#define DBG(fmt...) udbg_printf(fmt)
#else
#define DBG(fmt...)
#endif
/*
* The primary thread of each non-boot processor is recorded here before
* smp init.
*/
/* static cpumask_t of_spin_map; */
/**
* smp_startup_cpu() - start the given cpu
*
* At boot time, there is nothing to do for primary threads which were
* started from Open Firmware. For anything else, call RTAS with the
* appropriate start location.
*
* Returns:
* 0 - failure
* 1 - success
*/
static inline int __devinit smp_startup_cpu(unsigned int lcpu)
{
return 0;
}
static void smp_beatic_message_pass(int target, int msg)
{
unsigned int i;
if (target < NR_CPUS) {
beatic_cause_IPI(target, msg);
} else {
for_each_online_cpu(i) {
if (target == MSG_ALL_BUT_SELF
&& i == smp_processor_id())
continue;
beatic_cause_IPI(i, msg);
}
}
}
static int __init smp_beatic_probe(void)
{
return cpus_weight(cpu_possible_map);
}
static void __devinit smp_beatic_setup_cpu(int cpu)
{
beatic_setup_cpu(cpu);
}
static void __devinit smp_celleb_kick_cpu(int nr)
{
BUG_ON(nr < 0 || nr >= NR_CPUS);
if (!smp_startup_cpu(nr))
return;
}
static int smp_celleb_cpu_bootable(unsigned int nr)
{
return 1;
}
static struct smp_ops_t bpa_beatic_smp_ops = {
.message_pass = smp_beatic_message_pass,
.probe = smp_beatic_probe,
.kick_cpu = smp_celleb_kick_cpu,
.setup_cpu = smp_beatic_setup_cpu,
.cpu_bootable = smp_celleb_cpu_bootable,
};
/* This is called very early */
void __init smp_init_celleb(void)
{
DBG(" -> smp_init_celleb()\n");
smp_ops = &bpa_beatic_smp_ops;
DBG(" <- smp_init_celleb()\n");
}
......@@ -43,6 +43,7 @@
#define FW_FEATURE_ISERIES ASM_CONST(0x0000000000200000)
#define FW_FEATURE_LPAR ASM_CONST(0x0000000000400000)
#define FW_FEATURE_PS3_LV1 ASM_CONST(0x0000000000800000)
#define FW_FEATURE_BEAT ASM_CONST(0x0000000001000000)
#ifndef __ASSEMBLY__
......@@ -61,6 +62,8 @@ enum {
FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_CELLEB_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
FW_FEATURE_CELLEB_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_BEAT,
FW_FEATURE_NATIVE_POSSIBLE = 0,
FW_FEATURE_NATIVE_ALWAYS = 0,
FW_FEATURE_POSSIBLE =
......@@ -73,6 +76,9 @@ enum {
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_POSSIBLE |
#endif
#ifdef CONFIG_PPC_CELLEB
FW_FEATURE_CELLEB_POSSIBLE |
#endif
#ifdef CONFIG_PPC_NATIVE
FW_FEATURE_NATIVE_ALWAYS |
#endif
......@@ -87,6 +93,9 @@ enum {
#ifdef CONFIG_PPC_PS3
FW_FEATURE_PS3_ALWAYS &
#endif
#ifdef CONFIG_PPC_CELLEB
FW_FEATURE_CELLEB_ALWAYS &