This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / powerpc / platforms / ps3 / setup.c

diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
new file mode 100644 (file)
index 0000000..d8b5cad
--- /dev/null
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -0,0 +1,173 @@
+/*
+ *  PS3 platform setup routines.
+ *
+ *  Copyright (C) 2006 Sony Computer Entertainment Inc.
+ *  Copyright 2006 Sony 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; version 2 of the License.
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/fs.h>
+#include <linux/root_dev.h>
+#include <linux/console.h>
+#include <linux/kexec.h>
+
+#include <asm/machdep.h>
+#include <asm/firmware.h>
+#include <asm/time.h>
+#include <asm/iommu.h>
+#include <asm/udbg.h>
+#include <asm/prom.h>
+#include <asm/lv1call.h>
+
+#include "platform.h"
+
+#if defined(DEBUG)
+#define DBG(fmt...) udbg_printf(fmt)
+#else
+#define DBG(fmt...) do{if(0)printk(fmt);}while(0)
+#endif
+
+static void ps3_show_cpuinfo(struct seq_file *m)
+{
+       seq_printf(m, "machine\t\t: %s\n", ppc_md.name);
+}
+
+static void ps3_power_save(void)
+{
+       /*
+        * lv1_pause() puts the PPE thread into inactive state until an
+        * irq on an unmasked plug exists. MSR[EE] has no effect.
+        * flags: 0 = wake on DEC interrupt, 1 = ignore DEC interrupt.
+        */
+
+       lv1_pause(0);
+}
+
+static void ps3_panic(char *str)
+{
+       DBG("%s:%d %s\n", __func__, __LINE__, str);
+
+#ifdef CONFIG_SMP
+       smp_send_stop();
+#endif
+       printk("\n");
+       printk("   System does not reboot automatically.\n");
+       printk("   Please press POWER button.\n");
+       printk("\n");
+
+       for (;;) ;
+}
+
+static void __init ps3_setup_arch(void)
+{
+       DBG(" -> %s:%d\n", __func__, __LINE__);
+
+       ps3_spu_set_platform();
+       ps3_map_htab();
+
+#ifdef CONFIG_SMP
+       smp_init_ps3();
+#endif
+
+#ifdef CONFIG_DUMMY_CONSOLE
+       conswitchp = &dummy_con;
+#endif
+
+       ppc_md.power_save = ps3_power_save;
+
+       DBG(" <- %s:%d\n", __func__, __LINE__);
+}
+
+static void __init ps3_progress(char *s, unsigned short hex)
+{
+       printk("*** %04x : %s\n", hex, s ? s : "");
+}
+
+static int __init ps3_probe(void)
+{
+       unsigned long htab_size;
+       unsigned long dt_root;
+
+       DBG(" -> %s:%d\n", __func__, __LINE__);
+
+       dt_root = of_get_flat_dt_root();
+       if (!of_flat_dt_is_compatible(dt_root, "PS3"))
+               return 0;
+
+       powerpc_firmware_features |= FW_FEATURE_PS3_POSSIBLE;
+
+       ps3_os_area_init();
+       ps3_mm_init();
+       ps3_mm_vas_create(&htab_size);
+       ps3_hpte_init(htab_size);
+
+       DBG(" <- %s:%d\n", __func__, __LINE__);
+       return 1;
+}
+
+#if defined(CONFIG_KEXEC)
+static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
+{
+       DBG(" -> %s:%d\n", __func__, __LINE__);
+
+       if (secondary) {
+               int cpu;
+               for_each_online_cpu(cpu)
+                       if (cpu)
+                               ps3_smp_cleanup_cpu(cpu);
+       } else
+               ps3_smp_cleanup_cpu(0);
+
+       DBG(" <- %s:%d\n", __func__, __LINE__);
+}
+
+static void ps3_machine_kexec(struct kimage *image)
+{
+       unsigned long ppe_id;
+
+       DBG(" -> %s:%d\n", __func__, __LINE__);
+
+       lv1_get_logical_ppe_id(&ppe_id);
+       lv1_configure_irq_state_bitmap(ppe_id, 0, 0);
+       ps3_mm_shutdown();
+       ps3_mm_vas_destroy();
+
+       default_machine_kexec(image);
+
+       DBG(" <- %s:%d\n", __func__, __LINE__);
+}
+#endif
+
+define_machine(ps3) {
+       .name                           = "PS3",
+       .probe                          = ps3_probe,
+       .setup_arch                     = ps3_setup_arch,
+       .show_cpuinfo                   = ps3_show_cpuinfo,
+       .init_IRQ                       = ps3_init_IRQ,
+       .panic                          = ps3_panic,
+       .get_boot_time                  = ps3_get_boot_time,
+       .set_rtc_time                   = ps3_set_rtc_time,
+       .get_rtc_time                   = ps3_get_rtc_time,
+       .calibrate_decr                 = ps3_calibrate_decr,
+       .progress                       = ps3_progress,
+#if defined(CONFIG_KEXEC)
+       .kexec_cpu_down                 = ps3_kexec_cpu_down,
+       .machine_kexec                  = ps3_machine_kexec,
+       .machine_kexec_prepare          = default_machine_kexec_prepare,
+       .machine_crash_shutdown         = default_machine_crash_shutdown,
+#endif
+};