[POWERPC] ps3: add support for ps3 platform
Adds the core platform support for the PS3 game console and other devices
using the PS3 hypervisor.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
new file mode 100644
index 0000000..c1f6de5
--- /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_LPAR;
+
+ 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
+};