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-rw-r--r--arch/powerpc/platforms/cell/setup.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
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+++ b/arch/powerpc/platforms/cell/setup.c
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+/*
+ * linux/arch/powerpc/platforms/cell/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.
+ */
+#undef DEBUG
+
+#include <linux/config.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/stddef.h>
+#include <linux/unistd.h>
+#include <linux/slab.h>
+#include <linux/user.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/pgtable.h>
+#include <asm/prom.h>
+#include <asm/rtas.h>
+#include <asm/pci-bridge.h>
+#include <asm/iommu.h>
+#include <asm/dma.h>
+#include <asm/machdep.h>
+#include <asm/time.h>
+#include <asm/nvram.h>
+#include <asm/cputable.h>
+#include <asm/ppc-pci.h>
+#include <asm/irq.h>
+
+#include "interrupt.h"
+#include "iommu.h"
+
+#ifdef DEBUG
+#define DBG(fmt...) udbg_printf(fmt)
+#else
+#define DBG(fmt...)
+#endif
+
+void cell_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);
+ seq_printf(m, "machine\t\t: CHRP %s\n", model);
+ of_node_put(root);
+}
+
+static void cell_progress(char *s, unsigned short hex)
+{
+ printk("*** %04x : %s\n", hex, s ? s : "");
+}
+
+static void __init cell_setup_arch(void)
+{
+ ppc_md.init_IRQ = iic_init_IRQ;
+ ppc_md.get_irq = iic_get_irq;
+
+#ifdef CONFIG_SMP
+ smp_init_cell();
+#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;
+ }
+
+ /* Find and initialize PCI host bridges */
+ init_pci_config_tokens();
+ find_and_init_phbs();
+ spider_init_IRQ();
+#ifdef CONFIG_DUMMY_CONSOLE
+ conswitchp = &dummy_con;
+#endif
+
+ mmio_nvram_init();
+}
+
+/*
+ * Early initialization. Relocation is on but do not reference unbolted pages
+ */
+static void __init cell_init_early(void)
+{
+ DBG(" -> cell_init_early()\n");
+
+ hpte_init_native();
+
+ cell_init_iommu();
+
+ ppc64_interrupt_controller = IC_CELL_PIC;
+
+ DBG(" <- cell_init_early()\n");
+}
+
+
+static int __init cell_probe(int platform)
+{
+ if (platform != PLATFORM_CELL)
+ return 0;
+
+ return 1;
+}
+
+struct machdep_calls __initdata cell_md = {
+ .probe = cell_probe,
+ .setup_arch = cell_setup_arch,
+ .init_early = cell_init_early,
+ .show_cpuinfo = cell_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 = cell_progress,
+};

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