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134 lines
2.8 KiB
134 lines
2.8 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* MPC86xx HPCN board specific routines |
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* |
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* Recode: ZHANG WEI <[email protected]> |
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* Initial author: Xianghua Xiao <[email protected]> |
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* |
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* Copyright 2006 Freescale Semiconductor Inc. |
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*/ |
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#include <linux/stddef.h> |
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#include <linux/kernel.h> |
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#include <linux/pci.h> |
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#include <linux/kdev_t.h> |
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#include <linux/delay.h> |
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#include <linux/seq_file.h> |
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#include <linux/of_platform.h> |
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#include <asm/time.h> |
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#include <asm/machdep.h> |
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#include <asm/pci-bridge.h> |
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#include <asm/prom.h> |
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#include <mm/mmu_decl.h> |
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#include <asm/udbg.h> |
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#include <asm/swiotlb.h> |
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#include <asm/mpic.h> |
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#include <sysdev/fsl_pci.h> |
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#include <sysdev/fsl_soc.h> |
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#include "mpc86xx.h" |
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#undef DEBUG |
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#ifdef DEBUG |
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#define DBG(fmt...) do { printk(KERN_ERR fmt); } while(0) |
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#else |
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#define DBG(fmt...) do { } while(0) |
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#endif |
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#ifdef CONFIG_PCI |
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extern int uli_exclude_device(struct pci_controller *hose, |
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u_char bus, u_char devfn); |
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static int mpc86xx_exclude_device(struct pci_controller *hose, |
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u_char bus, u_char devfn) |
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{ |
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if (hose->dn == fsl_pci_primary) |
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return uli_exclude_device(hose, bus, devfn); |
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return PCIBIOS_SUCCESSFUL; |
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} |
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#endif /* CONFIG_PCI */ |
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static void __init |
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mpc86xx_hpcn_setup_arch(void) |
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{ |
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if (ppc_md.progress) |
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ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0); |
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#ifdef CONFIG_PCI |
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ppc_md.pci_exclude_device = mpc86xx_exclude_device; |
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#endif |
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printk("MPC86xx HPCN board from Freescale Semiconductor\n"); |
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#ifdef CONFIG_SMP |
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mpc86xx_smp_init(); |
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#endif |
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fsl_pci_assign_primary(); |
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swiotlb_detect_4g(); |
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} |
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static void |
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mpc86xx_hpcn_show_cpuinfo(struct seq_file *m) |
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{ |
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uint svid = mfspr(SPRN_SVR); |
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seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n"); |
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seq_printf(m, "SVR\t\t: 0x%x\n", svid); |
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} |
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/* |
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* Called very early, device-tree isn't unflattened |
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*/ |
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static int __init mpc86xx_hpcn_probe(void) |
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{ |
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if (of_machine_is_compatible("fsl,mpc8641hpcn")) |
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return 1; /* Looks good */ |
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/* Be nice and don't give silent boot death. Delete this in 2.6.27 */ |
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if (of_machine_is_compatible("mpc86xx")) { |
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pr_warn("WARNING: your dts/dtb is old. You must update before the next kernel release.\n"); |
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return 1; |
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} |
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return 0; |
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} |
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static const struct of_device_id of_bus_ids[] __initconst = { |
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{ .compatible = "fsl,srio", }, |
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{}, |
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}; |
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static int __init declare_of_platform_devices(void) |
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{ |
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mpc86xx_common_publish_devices(); |
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of_platform_bus_probe(NULL, of_bus_ids, NULL); |
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return 0; |
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} |
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machine_arch_initcall(mpc86xx_hpcn, declare_of_platform_devices); |
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define_machine(mpc86xx_hpcn) { |
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.name = "MPC86xx HPCN", |
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.probe = mpc86xx_hpcn_probe, |
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.setup_arch = mpc86xx_hpcn_setup_arch, |
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.init_IRQ = mpc86xx_init_irq, |
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.show_cpuinfo = mpc86xx_hpcn_show_cpuinfo, |
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.get_irq = mpic_get_irq, |
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.time_init = mpc86xx_time_init, |
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.calibrate_decr = generic_calibrate_decr, |
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.progress = udbg_progress, |
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#ifdef CONFIG_PCI |
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.pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
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#endif |
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};
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