| /* |
| * MPC85xx RDB Board Setup |
| * |
| * Copyright 2009,2012 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/pci.h> |
| #include <linux/kdev_t.h> |
| #include <linux/delay.h> |
| #include <linux/seq_file.h> |
| #include <linux/interrupt.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/prom.h> |
| #include <asm/udbg.h> |
| #include <asm/mpic.h> |
| #include <asm/qe.h> |
| #include <asm/qe_ic.h> |
| #include <asm/fsl_guts.h> |
| |
| #include <sysdev/fsl_soc.h> |
| #include <sysdev/fsl_pci.h> |
| #include "smp.h" |
| |
| #include "mpc85xx.h" |
| |
| #undef DEBUG |
| |
| #ifdef DEBUG |
| #define DBG(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) |
| #else |
| #define DBG(fmt, args...) |
| #endif |
| |
| |
| void __init mpc85xx_rdb_pic_init(void) |
| { |
| struct mpic *mpic; |
| unsigned long root = of_get_flat_dt_root(); |
| |
| #ifdef CONFIG_QUICC_ENGINE |
| struct device_node *np; |
| #endif |
| |
| if (of_flat_dt_is_compatible(root, "fsl,MPC85XXRDB-CAMP")) { |
| mpic = mpic_alloc(NULL, 0, MPIC_NO_RESET | |
| MPIC_BIG_ENDIAN | |
| MPIC_SINGLE_DEST_CPU, |
| 0, 256, " OpenPIC "); |
| } else { |
| mpic = mpic_alloc(NULL, 0, |
| MPIC_BIG_ENDIAN | |
| MPIC_SINGLE_DEST_CPU, |
| 0, 256, " OpenPIC "); |
| } |
| |
| BUG_ON(mpic == NULL); |
| mpic_init(mpic); |
| |
| #ifdef CONFIG_QUICC_ENGINE |
| np = of_find_compatible_node(NULL, NULL, "fsl,qe-ic"); |
| if (np) { |
| qe_ic_init(np, 0, qe_ic_cascade_low_mpic, |
| qe_ic_cascade_high_mpic); |
| of_node_put(np); |
| |
| } else |
| pr_err("%s: Could not find qe-ic node\n", __func__); |
| #endif |
| |
| } |
| |
| /* |
| * Setup the architecture |
| */ |
| static void __init mpc85xx_rdb_setup_arch(void) |
| { |
| #ifdef CONFIG_QUICC_ENGINE |
| struct device_node *np; |
| #endif |
| |
| if (ppc_md.progress) |
| ppc_md.progress("mpc85xx_rdb_setup_arch()", 0); |
| |
| mpc85xx_smp_init(); |
| |
| fsl_pci_assign_primary(); |
| |
| #ifdef CONFIG_QUICC_ENGINE |
| np = of_find_compatible_node(NULL, NULL, "fsl,qe"); |
| if (!np) { |
| pr_err("%s: Could not find Quicc Engine node\n", __func__); |
| goto qe_fail; |
| } |
| |
| qe_reset(); |
| of_node_put(np); |
| |
| np = of_find_node_by_name(NULL, "par_io"); |
| if (np) { |
| struct device_node *ucc; |
| |
| par_io_init(np); |
| of_node_put(np); |
| |
| for_each_node_by_name(ucc, "ucc") |
| par_io_of_config(ucc); |
| |
| } |
| #if defined(CONFIG_UCC_GETH) || defined(CONFIG_SERIAL_QE) |
| if (machine_is(p1025_rdb)) { |
| |
| struct ccsr_guts __iomem *guts; |
| |
| np = of_find_node_by_name(NULL, "global-utilities"); |
| if (np) { |
| guts = of_iomap(np, 0); |
| if (!guts) { |
| |
| pr_err("mpc85xx-rdb: could not map global utilities register\n"); |
| |
| } else { |
| /* P1025 has pins muxed for QE and other functions. To |
| * enable QE UEC mode, we need to set bit QE0 for UCC1 |
| * in Eth mode, QE0 and QE3 for UCC5 in Eth mode, QE9 |
| * and QE12 for QE MII management singals in PMUXCR |
| * register. |
| */ |
| setbits32(&guts->pmuxcr, MPC85xx_PMUXCR_QE(0) | |
| MPC85xx_PMUXCR_QE(3) | |
| MPC85xx_PMUXCR_QE(9) | |
| MPC85xx_PMUXCR_QE(12)); |
| iounmap(guts); |
| } |
| of_node_put(np); |
| } |
| |
| } |
| #endif |
| |
| qe_fail: |
| #endif /* CONFIG_QUICC_ENGINE */ |
| |
| printk(KERN_INFO "MPC85xx RDB board from Freescale Semiconductor\n"); |
| } |
| |
| machine_arch_initcall(p2020_rdb, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p2020_rdb_pc, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1020_mbg_pc, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1020_rdb, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1020_rdb_pc, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1020_utm_pc, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1021_rdb_pc, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1025_rdb, mpc85xx_common_publish_devices); |
| machine_arch_initcall(p1024_rdb, mpc85xx_common_publish_devices); |
| |
| /* |
| * Called very early, device-tree isn't unflattened |
| */ |
| static int __init p2020_rdb_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| if (of_flat_dt_is_compatible(root, "fsl,P2020RDB")) |
| return 1; |
| return 0; |
| } |
| |
| static int __init p1020_rdb_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| if (of_flat_dt_is_compatible(root, "fsl,P1020RDB")) |
| return 1; |
| return 0; |
| } |
| |
| static int __init p1020_rdb_pc_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| return of_flat_dt_is_compatible(root, "fsl,P1020RDB-PC"); |
| } |
| |
| static int __init p1021_rdb_pc_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| if (of_flat_dt_is_compatible(root, "fsl,P1021RDB-PC")) |
| return 1; |
| return 0; |
| } |
| |
| static int __init p2020_rdb_pc_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| if (of_flat_dt_is_compatible(root, "fsl,P2020RDB-PC")) |
| return 1; |
| return 0; |
| } |
| |
| static int __init p1025_rdb_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| return of_flat_dt_is_compatible(root, "fsl,P1025RDB"); |
| } |
| |
| static int __init p1020_mbg_pc_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| return of_flat_dt_is_compatible(root, "fsl,P1020MBG-PC"); |
| } |
| |
| static int __init p1020_utm_pc_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| return of_flat_dt_is_compatible(root, "fsl,P1020UTM-PC"); |
| } |
| |
| static int __init p1024_rdb_probe(void) |
| { |
| unsigned long root = of_get_flat_dt_root(); |
| |
| return of_flat_dt_is_compatible(root, "fsl,P1024RDB"); |
| } |
| |
| define_machine(p2020_rdb) { |
| .name = "P2020 RDB", |
| .probe = p2020_rdb_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1020_rdb) { |
| .name = "P1020 RDB", |
| .probe = p1020_rdb_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1021_rdb_pc) { |
| .name = "P1021 RDB-PC", |
| .probe = p1021_rdb_pc_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p2020_rdb_pc) { |
| .name = "P2020RDB-PC", |
| .probe = p2020_rdb_pc_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1025_rdb) { |
| .name = "P1025 RDB", |
| .probe = p1025_rdb_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1020_mbg_pc) { |
| .name = "P1020 MBG-PC", |
| .probe = p1020_mbg_pc_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1020_utm_pc) { |
| .name = "P1020 UTM-PC", |
| .probe = p1020_utm_pc_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1020_rdb_pc) { |
| .name = "P1020RDB-PC", |
| .probe = p1020_rdb_pc_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
| |
| define_machine(p1024_rdb) { |
| .name = "P1024 RDB", |
| .probe = p1024_rdb_probe, |
| .setup_arch = mpc85xx_rdb_setup_arch, |
| .init_IRQ = mpc85xx_rdb_pic_init, |
| #ifdef CONFIG_PCI |
| .pcibios_fixup_bus = fsl_pcibios_fixup_bus, |
| #endif |
| .get_irq = mpic_get_irq, |
| .restart = fsl_rstcr_restart, |
| .calibrate_decr = generic_calibrate_decr, |
| .progress = udbg_progress, |
| }; |
