arch/powerpc/platforms/85xx/xes_mpc85xx.c

Source file repositories/reference/linux-study-clean/arch/powerpc/platforms/85xx/xes_mpc85xx.c

File Facts

System
Linux kernel
Corpus path
arch/powerpc/platforms/85xx/xes_mpc85xx.c
Extension
.c
Size
4475 bytes
Lines
177
Domain
Architecture Layer
Bucket
arch/powerpc
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

if (err) {
			printk(KERN_WARNING "xes_mpc85xx: Could not get "
			       "resource for device tree node '%pOF'",
			       np);
			continue;
		}

		l2_base = ioremap(r[0].start, resource_size(&r[0]));

		xes_mpc85xx_configure_l2(l2_base);
	}
}

/*
 * Setup the architecture
 */
static void __init xes_mpc85xx_setup_arch(void)
{
	struct device_node *root;
	const char *model = "Unknown";

	root = of_find_node_by_path("/");
	if (root == NULL)
		return;

	model = of_get_property(root, "model", NULL);

	printk(KERN_INFO "X-ES MPC85xx-based single-board computer: %s\n",
	       model + strlen("xes,"));

	xes_mpc85xx_fixups();

	mpc85xx_smp_init();

	fsl_pci_assign_primary();
}

machine_arch_initcall(xes_mpc8572, mpc85xx_common_publish_devices);
machine_arch_initcall(xes_mpc8548, mpc85xx_common_publish_devices);
machine_arch_initcall(xes_mpc8540, mpc85xx_common_publish_devices);

define_machine(xes_mpc8572) {
	.name			= "X-ES MPC8572",
	.compatible		= "xes,MPC8572",
	.setup_arch		= xes_mpc85xx_setup_arch,
	.init_IRQ		= xes_mpc85xx_pic_init,
#ifdef CONFIG_PCI
	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
#endif
	.get_irq		= mpic_get_irq,
	.progress		= udbg_progress,
};

define_machine(xes_mpc8548) {
	.name			= "X-ES MPC8548",
	.compatible		= "xes,MPC8548",
	.setup_arch		= xes_mpc85xx_setup_arch,
	.init_IRQ		= xes_mpc85xx_pic_init,
#ifdef CONFIG_PCI
	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
#endif
	.get_irq		= mpic_get_irq,
	.progress		= udbg_progress,
};

define_machine(xes_mpc8540) {
	.name			= "X-ES MPC8540",
	.compatible		= "xes,MPC8540",
	.setup_arch		= xes_mpc85xx_setup_arch,
	.init_IRQ		= xes_mpc85xx_pic_init,
#ifdef CONFIG_PCI
	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
#endif
	.get_irq		= mpic_get_irq,
	.progress		= udbg_progress,
};

Annotation

Implementation Notes