target/linux/apm821xx/files/arch/powerpc/platforms/44x/wndr4700.c

   1 /*
   2  * Netgear Centria N900 WNDR4700/WNDR4720 platform support
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the
   6  * Free Software Foundation; version 2 of the License.
   7  *
   8  * This implemention is based on the simple platform support for the
   9  * PowerPC 44x chips.
  10  */
  11
  12 #include <asm/machdep.h>
  13 #include <asm/pci-bridge.h>
  14 #include <asm/ppc4xx.h>
  15 #include <asm/prom.h>
  16 #include <asm/time.h>
  17 #include <asm/udbg.h>
  18 #include <asm/uic.h>
  19
  20 #include <linux/init.h>
  21 #include <linux/of_platform.h>
  22 #include <linux/pci.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/ath9k_platform.h>
  25 #include <linux/firmware.h>
  26 #include <linux/delay.h>
  27 #include <asm/unaligned.h>
  28
  29 static const struct of_device_id ppc44x_of_bus[] __initconst = {
  30         { .compatible = "ibm,plb4", },
  31         { .compatible = "ibm,opb", },
  32         { .compatible = "ibm,ebc", },
  33         { .compatible = "simple-bus", },
  34         {},
  35 };
  36
  37 static int __init ppc44x_device_probe(void)
  38 {
  39         of_platform_bus_probe(NULL, ppc44x_of_bus, NULL);
  40
  41         return 0;
  42 }
  43 machine_device_initcall(wndr4700, ppc44x_device_probe);
  44
  45 static char *board[] __initdata = {
  46         "netgear,wndr4700",
  47 };
  48
  49 static int __init ppc44x_probe(void)
  50 {
  51         unsigned long root = of_get_flat_dt_root();
  52         int i = 0;
  53
  54         pcie_bus_config = PCIE_BUS_PEER2PEER; /* force 128 Byte MPS */
  55
  56         for (i = 0; i < ARRAY_SIZE(board); i++) {
  57                 if (of_flat_dt_is_compatible(root, board[i])) {
  58                         pci_set_flags(PCI_REASSIGN_ALL_RSRC); /* PCI_PROBE_ONLY */
  59                         return 1;
  60                 }
  61         }
  62
  63         return 0;
  64 }
  65
  66 define_machine(wndr4700) {
  67         .name = "WNDR4700 Platform",
  68         .probe = ppc44x_probe,
  69         .progress = udbg_progress,
  70         .init_IRQ = uic_init_tree,
  71         .get_irq = uic_get_irq,
  72         .restart = ppc4xx_reset_system,
  73         .calibrate_decr = generic_calibrate_decr,
  74 };
  75
  76 static struct ath9k_platform_data ar9380_wmac0_data = {
  77         .led_pin = -1,
  78         .eeprom_name = "pci_wmac1.eeprom",
  79 };
  80 static struct ath9k_platform_data ar9580_wmac1_data = {
  81         .led_pin = -1,
  82         .eeprom_name = "pci_wmac0.eeprom",
  83 };
  84
  85 static void load_eeprom_ar9380(struct pci_dev *dev)
  86 {
  87         dev->dev.platform_data = &ar9380_wmac0_data;
  88 }
  89
  90 static void load_eeprom_ar9580(struct pci_dev *dev)
  91 {
  92         dev->dev.platform_data = &ar9580_wmac1_data;
  93 }
  94
  95 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATHEROS, 0x0030, load_eeprom_ar9380);
  96 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATHEROS, 0x0033, load_eeprom_ar9580);