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145 lines
3.3 KiB
C
145 lines
3.3 KiB
C
/*
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* TL-WDR4900 v1 board setup
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*
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* Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org>
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*
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* Based on:
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* p1010rdb.c:
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* P1010RDB Board Setup
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* Copyright 2011 Freescale Semiconductor Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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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/delay.h>
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#include <linux/interrupt.h>
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#include <linux/of_platform.h>
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#include <linux/ath9k_platform.h>
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#include <linux/leds.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 <mm/mmu_decl.h>
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#include <asm/prom.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include <sysdev/fsl_soc.h>
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#include <sysdev/fsl_pci.h>
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#include "mpc85xx.h"
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void __init tl_wdr4900_v1_pic_init(void)
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{
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struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
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MPIC_SINGLE_DEST_CPU,
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0, 256, " OpenPIC ");
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BUG_ON(mpic == NULL);
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mpic_init(mpic);
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}
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#ifdef CONFIG_PCI
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static struct gpio_led tl_wdr4900_v1_wmac_leds_gpio[] = {
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{
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.name = "tp-link:blue:wps",
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.gpio = 1,
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.active_low = 1,
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},
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};
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static struct ath9k_platform_data tl_wdr4900_v1_wmac0_data = {
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.led_pin = 0,
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.eeprom_name = "pci_wmac0.eeprom",
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.leds = tl_wdr4900_v1_wmac_leds_gpio,
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.num_leds = ARRAY_SIZE(tl_wdr4900_v1_wmac_leds_gpio),
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};
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static struct ath9k_platform_data tl_wdr4900_v1_wmac1_data = {
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.led_pin = 0,
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.eeprom_name = "pci_wmac1.eeprom",
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};
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static void tl_wdr4900_v1_pci_wmac_fixup(struct pci_dev *dev)
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{
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if (!machine_is(tl_wdr4900_v1))
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return;
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if (dev->bus->number == 1 &&
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PCI_SLOT(dev->devfn) == 0) {
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dev->dev.platform_data = &tl_wdr4900_v1_wmac0_data;
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return;
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}
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if (dev->bus->number == 3 &&
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PCI_SLOT(dev->devfn) == 0 &&
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dev->device == 0xabcd) {
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dev->dev.platform_data = &tl_wdr4900_v1_wmac1_data;
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/*
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* The PCI header of the AR9381 chip is not programmed
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* correctly by the bootloader and the device uses wrong
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* data due to that. Replace the broken values with the
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* correct ones.
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*/
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dev->device = 0x30;
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dev->class = 0x028000;
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pr_info("pci %s: AR9381 fixup applied\n", pci_name(dev));
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}
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}
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DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID,
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tl_wdr4900_v1_pci_wmac_fixup);
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#endif /* CONFIG_PCI */
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/*
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* Setup the architecture
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*/
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static void __init tl_wdr4900_v1_setup_arch(void)
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{
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if (ppc_md.progress)
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ppc_md.progress("tl_wdr4900_v1_setup_arch()", 0);
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fsl_pci_assign_primary();
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printk(KERN_INFO "TL-WDR4900 v1 board from TP-Link\n");
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}
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machine_arch_initcall(tl_wdr4900_v1, mpc85xx_common_publish_devices);
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machine_arch_initcall(tl_wdr4900_v1, swiotlb_setup_bus_notifier);
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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 tl_wdr4900_v1_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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if (of_flat_dt_is_compatible(root, "tplink,tl-wdr4900-v1"))
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return 1;
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return 0;
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}
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define_machine(tl_wdr4900_v1) {
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.name = "Freescale P1014",
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.probe = tl_wdr4900_v1_probe,
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.setup_arch = tl_wdr4900_v1_setup_arch,
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.init_IRQ = tl_wdr4900_v1_pic_init,
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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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.get_irq = mpic_get_irq,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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