summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/platforms/ps3/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/platforms/ps3/setup.c')
-rw-r--r--arch/powerpc/platforms/ps3/setup.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
new file mode 100644
index 000000000..77a375200
--- /dev/null
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -0,0 +1,283 @@
+/*
+ * 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/export.h>
+#include <linux/bootmem.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 <asm/ps3gpu.h>
+
+#include "platform.h"
+
+#if defined(DEBUG)
+#define DBG udbg_printf
+#else
+#define DBG pr_debug
+#endif
+
+/* mutex synchronizing GPU accesses and video mode changes */
+DEFINE_MUTEX(ps3_gpu_mutex);
+EXPORT_SYMBOL_GPL(ps3_gpu_mutex);
+
+static union ps3_firmware_version ps3_firmware_version;
+
+void ps3_get_firmware_version(union ps3_firmware_version *v)
+{
+ *v = ps3_firmware_version;
+}
+EXPORT_SYMBOL_GPL(ps3_get_firmware_version);
+
+int ps3_compare_firmware_version(u16 major, u16 minor, u16 rev)
+{
+ union ps3_firmware_version x;
+
+ x.pad = 0;
+ x.major = major;
+ x.minor = minor;
+ x.rev = rev;
+
+ return (ps3_firmware_version.raw > x.raw) -
+ (ps3_firmware_version.raw < x.raw);
+}
+EXPORT_SYMBOL_GPL(ps3_compare_firmware_version);
+
+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 __noreturn ps3_restart(char *cmd)
+{
+ DBG("%s:%d cmd '%s'\n", __func__, __LINE__, cmd);
+
+ smp_send_stop();
+ ps3_sys_manager_restart(); /* never returns */
+}
+
+static void ps3_power_off(void)
+{
+ DBG("%s:%d\n", __func__, __LINE__);
+
+ smp_send_stop();
+ ps3_sys_manager_power_off(); /* never returns */
+}
+
+static void __noreturn ps3_halt(void)
+{
+ DBG("%s:%d\n", __func__, __LINE__);
+
+ smp_send_stop();
+ ps3_sys_manager_halt(); /* never returns */
+}
+
+static void ps3_panic(char *str)
+{
+ DBG("%s:%d %s\n", __func__, __LINE__, str);
+
+ smp_send_stop();
+ printk("\n");
+ printk(" System does not reboot automatically.\n");
+ printk(" Please press POWER button.\n");
+ printk("\n");
+ panic_flush_kmsg_end();
+
+ while(1)
+ lv1_pause(1);
+}
+
+#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE) || \
+ defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
+static void __init prealloc(struct ps3_prealloc *p)
+{
+ if (!p->size)
+ return;
+
+ p->address = memblock_virt_alloc(p->size, p->align);
+
+ printk(KERN_INFO "%s: %lu bytes at %p\n", p->name, p->size,
+ p->address);
+}
+#endif
+
+#if defined(CONFIG_FB_PS3) || defined(CONFIG_FB_PS3_MODULE)
+struct ps3_prealloc ps3fb_videomemory = {
+ .name = "ps3fb videomemory",
+ .size = CONFIG_FB_PS3_DEFAULT_SIZE_M*1024*1024,
+ .align = 1024*1024 /* the GPU requires 1 MiB alignment */
+};
+EXPORT_SYMBOL_GPL(ps3fb_videomemory);
+#define prealloc_ps3fb_videomemory() prealloc(&ps3fb_videomemory)
+
+static int __init early_parse_ps3fb(char *p)
+{
+ if (!p)
+ return 1;
+
+ ps3fb_videomemory.size = _ALIGN_UP(memparse(p, &p),
+ ps3fb_videomemory.align);
+ return 0;
+}
+early_param("ps3fb", early_parse_ps3fb);
+#else
+#define prealloc_ps3fb_videomemory() do { } while (0)
+#endif
+
+#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
+struct ps3_prealloc ps3flash_bounce_buffer = {
+ .name = "ps3flash bounce buffer",
+ .size = 256*1024,
+ .align = 256*1024
+};
+EXPORT_SYMBOL_GPL(ps3flash_bounce_buffer);
+#define prealloc_ps3flash_bounce_buffer() prealloc(&ps3flash_bounce_buffer)
+
+static int __init early_parse_ps3flash(char *p)
+{
+ if (!p)
+ return 1;
+
+ if (!strcmp(p, "off"))
+ ps3flash_bounce_buffer.size = 0;
+
+ return 0;
+}
+early_param("ps3flash", early_parse_ps3flash);
+#else
+#define prealloc_ps3flash_bounce_buffer() do { } while (0)
+#endif
+
+static int ps3_set_dabr(unsigned long dabr, unsigned long dabrx)
+{
+ /* Have to set at least one bit in the DABRX */
+ if (dabrx == 0 && dabr == 0)
+ dabrx = DABRX_USER;
+ /* hypervisor only allows us to set BTI, Kernel and user */
+ dabrx &= DABRX_BTI | DABRX_KERNEL | DABRX_USER;
+
+ return lv1_set_dabr(dabr, dabrx) ? -1 : 0;
+}
+
+static void __init ps3_setup_arch(void)
+{
+ u64 tmp;
+
+ DBG(" -> %s:%d\n", __func__, __LINE__);
+
+ lv1_get_version_info(&ps3_firmware_version.raw, &tmp);
+
+ printk(KERN_INFO "PS3 firmware version %u.%u.%u\n",
+ ps3_firmware_version.major, ps3_firmware_version.minor,
+ ps3_firmware_version.rev);
+
+ ps3_spu_set_platform();
+
+#ifdef CONFIG_SMP
+ smp_init_ps3();
+#endif
+
+#ifdef CONFIG_DUMMY_CONSOLE
+ conswitchp = &dummy_con;
+#endif
+
+ prealloc_ps3fb_videomemory();
+ prealloc_ps3flash_bounce_buffer();
+
+ ppc_md.power_save = ps3_power_save;
+ ps3_os_area_init();
+
+ DBG(" <- %s:%d\n", __func__, __LINE__);
+}
+
+static void __init ps3_progress(char *s, unsigned short hex)
+{
+ printk("*** %04x : %s\n", hex, s ? s : "");
+}
+
+void __init ps3_early_mm_init(void)
+{
+ unsigned long htab_size;
+
+ ps3_mm_init();
+ ps3_mm_vas_create(&htab_size);
+ ps3_hpte_init(htab_size);
+}
+
+static int __init ps3_probe(void)
+{
+ DBG(" -> %s:%d\n", __func__, __LINE__);
+
+ if (!of_machine_is_compatible("sony,ps3"))
+ return 0;
+
+ ps3_os_area_save_params();
+
+ pm_power_off = ps3_power_off;
+
+ DBG(" <- %s:%d\n", __func__, __LINE__);
+ return 1;
+}
+
+#if defined(CONFIG_KEXEC_CORE)
+static void ps3_kexec_cpu_down(int crash_shutdown, int secondary)
+{
+ int cpu = smp_processor_id();
+
+ DBG(" -> %s:%d: (%d)\n", __func__, __LINE__, cpu);
+
+ ps3_smp_cleanup_cpu(cpu);
+ ps3_shutdown_IRQ(cpu);
+
+ DBG(" <- %s:%d\n", __func__, __LINE__);
+}
+#endif
+
+define_machine(ps3) {
+ .name = "PS3",
+ .probe = ps3_probe,
+ .setup_arch = ps3_setup_arch,
+ .init_IRQ = ps3_init_IRQ,
+ .panic = ps3_panic,
+ .get_boot_time = ps3_get_boot_time,
+ .set_dabr = ps3_set_dabr,
+ .calibrate_decr = ps3_calibrate_decr,
+ .progress = ps3_progress,
+ .restart = ps3_restart,
+ .halt = ps3_halt,
+#if defined(CONFIG_KEXEC_CORE)
+ .kexec_cpu_down = ps3_kexec_cpu_down,
+#endif
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 01:41:32 +0000