128 lines
2.6 KiB
C
128 lines
2.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* MPC86xx HPCN board specific routines
|
||
|
|
*
|
||
|
|
* Recode: ZHANG WEI <wei.zhang@freescale.com>
|
||
|
|
* Initial author: Xianghua Xiao <x.xiao@freescale.com>
|
||
|
|
*
|
||
|
|
* Copyright 2006 Freescale Semiconductor Inc.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/stddef.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/pci.h>
|
||
|
|
#include <linux/kdev_t.h>
|
||
|
|
#include <linux/delay.h>
|
||
|
|
#include <linux/seq_file.h>
|
||
|
|
#include <linux/of_platform.h>
|
||
|
|
|
||
|
|
#include <asm/time.h>
|
||
|
|
#include <asm/machdep.h>
|
||
|
|
#include <asm/pci-bridge.h>
|
||
|
|
#include <mm/mmu_decl.h>
|
||
|
|
#include <asm/udbg.h>
|
||
|
|
#include <asm/swiotlb.h>
|
||
|
|
|
||
|
|
#include <asm/mpic.h>
|
||
|
|
|
||
|
|
#include <sysdev/fsl_pci.h>
|
||
|
|
#include <sysdev/fsl_soc.h>
|
||
|
|
|
||
|
|
#include "mpc86xx.h"
|
||
|
|
|
||
|
|
#undef DEBUG
|
||
|
|
|
||
|
|
#ifdef DEBUG
|
||
|
|
#define DBG(fmt...) do { printk(KERN_ERR fmt); } while(0)
|
||
|
|
#else
|
||
|
|
#define DBG(fmt...) do { } while(0)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef CONFIG_PCI
|
||
|
|
extern int uli_exclude_device(struct pci_controller *hose,
|
||
|
|
u_char bus, u_char devfn);
|
||
|
|
|
||
|
|
static int mpc86xx_exclude_device(struct pci_controller *hose,
|
||
|
|
u_char bus, u_char devfn)
|
||
|
|
{
|
||
|
|
if (hose->dn == fsl_pci_primary)
|
||
|
|
return uli_exclude_device(hose, bus, devfn);
|
||
|
|
|
||
|
|
return PCIBIOS_SUCCESSFUL;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_PCI */
|
||
|
|
|
||
|
|
|
||
|
|
static void __init
|
||
|
|
mpc86xx_hpcn_setup_arch(void)
|
||
|
|
{
|
||
|
|
if (ppc_md.progress)
|
||
|
|
ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
|
||
|
|
|
||
|
|
#ifdef CONFIG_PCI
|
||
|
|
ppc_md.pci_exclude_device = mpc86xx_exclude_device;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
printk("MPC86xx HPCN board from Freescale Semiconductor\n");
|
||
|
|
|
||
|
|
#ifdef CONFIG_SMP
|
||
|
|
mpc86xx_smp_init();
|
||
|
|
#endif
|
||
|
|
|
||
|
|
fsl_pci_assign_primary();
|
||
|
|
|
||
|
|
swiotlb_detect_4g();
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void
|
||
|
|
mpc86xx_hpcn_show_cpuinfo(struct seq_file *m)
|
||
|
|
{
|
||
|
|
uint svid = mfspr(SPRN_SVR);
|
||
|
|
|
||
|
|
seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
|
||
|
|
|
||
|
|
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Called very early, device-tree isn't unflattened
|
||
|
|
*/
|
||
|
|
static int __init mpc86xx_hpcn_probe(void)
|
||
|
|
{
|
||
|
|
if (of_machine_is_compatible("fsl,mpc8641hpcn"))
|
||
|
|
return 1; /* Looks good */
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct of_device_id of_bus_ids[] __initconst = {
|
||
|
|
{ .compatible = "fsl,srio", },
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init declare_of_platform_devices(void)
|
||
|
|
{
|
||
|
|
mpc86xx_common_publish_devices();
|
||
|
|
of_platform_bus_probe(NULL, of_bus_ids, NULL);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
machine_arch_initcall(mpc86xx_hpcn, declare_of_platform_devices);
|
||
|
|
|
||
|
|
define_machine(mpc86xx_hpcn) {
|
||
|
|
.name = "MPC86xx HPCN",
|
||
|
|
.probe = mpc86xx_hpcn_probe,
|
||
|
|
.setup_arch = mpc86xx_hpcn_setup_arch,
|
||
|
|
.init_IRQ = mpc86xx_init_irq,
|
||
|
|
.show_cpuinfo = mpc86xx_hpcn_show_cpuinfo,
|
||
|
|
.get_irq = mpic_get_irq,
|
||
|
|
.time_init = mpc86xx_time_init,
|
||
|
|
.calibrate_decr = generic_calibrate_decr,
|
||
|
|
.progress = udbg_progress,
|
||
|
|
#ifdef CONFIG_PCI
|
||
|
|
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
|
||
|
|
#endif
|
||
|
|
};
|