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111 lines
2.5 KiB
111 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Copyright 2006 Freescale Semiconductor, Inc. All rights reserved. |
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* |
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* Description: |
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* MPC832xE MDS board specific routines. |
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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/init.h> |
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#include <linux/errno.h> |
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#include <linux/reboot.h> |
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#include <linux/pci.h> |
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#include <linux/kdev_t.h> |
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#include <linux/major.h> |
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#include <linux/console.h> |
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#include <linux/delay.h> |
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#include <linux/seq_file.h> |
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#include <linux/root_dev.h> |
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#include <linux/initrd.h> |
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#include <linux/of_platform.h> |
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#include <linux/of_device.h> |
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#include <linux/atomic.h> |
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#include <asm/time.h> |
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#include <asm/io.h> |
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#include <asm/machdep.h> |
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#include <asm/ipic.h> |
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#include <asm/irq.h> |
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#include <asm/prom.h> |
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#include <asm/udbg.h> |
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#include <sysdev/fsl_soc.h> |
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#include <sysdev/fsl_pci.h> |
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#include <soc/fsl/qe/qe.h> |
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#include "mpc83xx.h" |
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#undef DEBUG |
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#ifdef DEBUG |
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#define DBG(fmt...) udbg_printf(fmt) |
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#else |
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#define DBG(fmt...) |
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#endif |
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/* ************************************************************************ |
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* |
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* Setup the architecture |
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* |
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*/ |
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static void __init mpc832x_sys_setup_arch(void) |
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{ |
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struct device_node *np; |
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u8 __iomem *bcsr_regs = NULL; |
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mpc83xx_setup_arch(); |
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/* Map BCSR area */ |
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np = of_find_node_by_name(NULL, "bcsr"); |
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if (np) { |
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struct resource res; |
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of_address_to_resource(np, 0, &res); |
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bcsr_regs = ioremap(res.start, resource_size(&res)); |
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of_node_put(np); |
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} |
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#ifdef CONFIG_QUICC_ENGINE |
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if ((np = of_find_node_by_name(NULL, "par_io")) != NULL) { |
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par_io_init(np); |
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of_node_put(np); |
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for_each_node_by_name(np, "ucc") |
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par_io_of_config(np); |
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} |
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if ((np = of_find_compatible_node(NULL, "network", "ucc_geth")) |
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!= NULL){ |
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/* Reset the Ethernet PHYs */ |
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#define BCSR8_FETH_RST 0x50 |
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clrbits8(&bcsr_regs[8], BCSR8_FETH_RST); |
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udelay(1000); |
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setbits8(&bcsr_regs[8], BCSR8_FETH_RST); |
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iounmap(bcsr_regs); |
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of_node_put(np); |
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} |
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#endif /* CONFIG_QUICC_ENGINE */ |
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} |
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machine_device_initcall(mpc832x_mds, mpc83xx_declare_of_platform_devices); |
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/* |
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* Called very early, MMU is off, device-tree isn't unflattened |
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*/ |
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static int __init mpc832x_sys_probe(void) |
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{ |
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return of_machine_is_compatible("MPC832xMDS"); |
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} |
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define_machine(mpc832x_mds) { |
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.name = "MPC832x MDS", |
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.probe = mpc832x_sys_probe, |
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.setup_arch = mpc832x_sys_setup_arch, |
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.discover_phbs = mpc83xx_setup_pci, |
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.init_IRQ = mpc83xx_ipic_init_IRQ, |
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.get_irq = ipic_get_irq, |
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.restart = mpc83xx_restart, |
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.time_init = mpc83xx_time_init, |
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.calibrate_decr = generic_calibrate_decr, |
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.progress = udbg_progress, |
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};
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