diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/c293pcie.c')
| -rw-r--r-- | arch/powerpc/platforms/85xx/c293pcie.c | 77 | 
1 files changed, 77 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/c293pcie.c b/arch/powerpc/platforms/85xx/c293pcie.c new file mode 100644 index 00000000000..84476b64600 --- /dev/null +++ b/arch/powerpc/platforms/85xx/c293pcie.c @@ -0,0 +1,77 @@ +/* + * C293PCIE Board Setup + * + * Copyright 2013 Freescale Semiconductor Inc. + * + * 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. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/of_fdt.h> +#include <linux/of_platform.h> + +#include <asm/machdep.h> +#include <asm/udbg.h> +#include <asm/mpic.h> + +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> + +#include "mpc85xx.h" + +void __init c293_pcie_pic_init(void) +{ +	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | +	  MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC  "); + +	BUG_ON(mpic == NULL); + +	mpic_init(mpic); +} + + +/* + * Setup the architecture + */ +static void __init c293_pcie_setup_arch(void) +{ +	if (ppc_md.progress) +		ppc_md.progress("c293_pcie_setup_arch()", 0); + +	fsl_pci_assign_primary(); + +	printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n"); +} + +machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices); + +/* + * Called very early, device-tree isn't unflattened + */ +static int __init c293_pcie_probe(void) +{ +	unsigned long root = of_get_flat_dt_root(); + +	if (of_flat_dt_is_compatible(root, "fsl,C293PCIE")) +		return 1; +	return 0; +} + +define_machine(c293_pcie) { +	.name			= "C293 PCIE", +	.probe			= c293_pcie_probe, +	.setup_arch		= c293_pcie_setup_arch, +	.init_IRQ		= c293_pcie_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, +	.restart		= fsl_rstcr_restart, +	.calibrate_decr		= generic_calibrate_decr, +	.progress		= udbg_progress, +};  | 
