| 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
| 2 | /* |
| 3 | * MPC85xx DS Board Setup |
| 4 | * |
| 5 | * Author Xianghua Xiao (x.xiao@freescale.com) |
| 6 | * Roy Zang <tie-fei.zang@freescale.com> |
| 7 | * - Add PCI/PCI Exprees support |
| 8 | * Copyright 2007 Freescale Semiconductor Inc. |
| 9 | */ |
| 10 | |
| 11 | #include <linux/stddef.h> |
| 12 | #include <linux/kernel.h> |
| 13 | #include <linux/pci.h> |
| 14 | #include <linux/kdev_t.h> |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/seq_file.h> |
| 17 | #include <linux/interrupt.h> |
| 18 | #include <linux/of.h> |
| 19 | #include <linux/of_irq.h> |
| 20 | |
| 21 | #include <asm/time.h> |
| 22 | #include <asm/machdep.h> |
| 23 | #include <asm/pci-bridge.h> |
| 24 | #include <mm/mmu_decl.h> |
| 25 | #include <asm/udbg.h> |
| 26 | #include <asm/mpic.h> |
| 27 | #include <asm/i8259.h> |
| 28 | #include <asm/swiotlb.h> |
| 29 | #include <asm/ppc-pci.h> |
| 30 | |
| 31 | #include <sysdev/fsl_soc.h> |
| 32 | #include <sysdev/fsl_pci.h> |
| 33 | #include "smp.h" |
| 34 | |
| 35 | #include "mpc85xx.h" |
| 36 | |
| 37 | static void __init mpc85xx_ds_pic_init(void) |
| 38 | { |
| 39 | struct mpic *mpic; |
| 40 | int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU; |
| 41 | |
| 42 | if (of_machine_is_compatible(compat: "fsl,MPC8572DS-CAMP" )) |
| 43 | flags |= MPIC_NO_RESET; |
| 44 | |
| 45 | mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC " ); |
| 46 | |
| 47 | if (WARN_ON(!mpic)) |
| 48 | return; |
| 49 | |
| 50 | mpic_init(mpic); |
| 51 | |
| 52 | mpc85xx_8259_init(); |
| 53 | } |
| 54 | |
| 55 | /* |
| 56 | * Setup the architecture |
| 57 | */ |
| 58 | static void __init mpc85xx_ds_setup_arch(void) |
| 59 | { |
| 60 | if (ppc_md.progress) |
| 61 | ppc_md.progress("mpc85xx_ds_setup_arch()" , 0); |
| 62 | |
| 63 | swiotlb_detect_4g(); |
| 64 | fsl_pci_assign_primary(); |
| 65 | uli_init(); |
| 66 | mpc85xx_smp_init(); |
| 67 | |
| 68 | pr_info("MPC85xx DS board from Freescale Semiconductor\n" ); |
| 69 | } |
| 70 | |
| 71 | machine_arch_initcall(mpc8544_ds, mpc85xx_common_publish_devices); |
| 72 | machine_arch_initcall(mpc8572_ds, mpc85xx_common_publish_devices); |
| 73 | |
| 74 | define_machine(mpc8544_ds) { |
| 75 | .name = "MPC8544 DS" , |
| 76 | .compatible = "MPC8544DS" , |
| 77 | .setup_arch = mpc85xx_ds_setup_arch, |
| 78 | .init_IRQ = mpc85xx_ds_pic_init, |
| 79 | #ifdef CONFIG_PCI |
| 80 | .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| 81 | .pcibios_fixup_phb = fsl_pcibios_fixup_phb, |
| 82 | #endif |
| 83 | .get_irq = mpic_get_irq, |
| 84 | .progress = udbg_progress, |
| 85 | }; |
| 86 | |
| 87 | define_machine(mpc8572_ds) { |
| 88 | .name = "MPC8572 DS" , |
| 89 | .compatible = "fsl,MPC8572DS" , |
| 90 | .setup_arch = mpc85xx_ds_setup_arch, |
| 91 | .init_IRQ = mpc85xx_ds_pic_init, |
| 92 | #ifdef CONFIG_PCI |
| 93 | .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| 94 | .pcibios_fixup_phb = fsl_pcibios_fixup_phb, |
| 95 | #endif |
| 96 | .get_irq = mpic_get_irq, |
| 97 | .progress = udbg_progress, |
| 98 | }; |
| 99 | |