arch/arm/mach-orion5x/wnr854t-setup.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 // arch/arm/mach-orion5x/wnr854t-setup.c
   3 #include <linux/gpio.h>
   4 #include <linux/kernel.h>
   5 #include <linux/init.h>
   6 #include <linux/platform_device.h>
   7 #include <linux/pci.h>
   8 #include <linux/irq.h>
   9 #include <linux/delay.h>
  10 #include <linux/mtd/physmap.h>
  11 #include <linux/mv643xx_eth.h>
  12 #include <linux/ethtool.h>
  13 #include <linux/platform_data/dsa.h>
  14 #include <asm/mach-types.h>
  15 #include <asm/mach/arch.h>
  16 #include <asm/mach/pci.h>
  17 #include "orion5x.h"
  18 #include "common.h"
  19 #include "mpp.h"
  20
  21 static unsigned int wnr854t_mpp_modes[] __initdata = {
  22         MPP0_GPIO,              /* Power LED green (0=on) */
  23         MPP1_GPIO,              /* Reset Button (0=off) */
  24         MPP2_GPIO,              /* Power LED blink (0=off) */
  25         MPP3_GPIO,              /* WAN Status LED amber (0=off) */
  26         MPP4_GPIO,              /* PCI int */
  27         MPP5_GPIO,              /* ??? */
  28         MPP6_GPIO,              /* ??? */
  29         MPP7_GPIO,              /* ??? */
  30         MPP8_UNUSED,            /* ??? */
  31         MPP9_GIGE,              /* GE_RXERR */
  32         MPP10_UNUSED,           /* ??? */
  33         MPP11_UNUSED,           /* ??? */
  34         MPP12_GIGE,             /* GE_TXD[4] */
  35         MPP13_GIGE,             /* GE_TXD[5] */
  36         MPP14_GIGE,             /* GE_TXD[6] */
  37         MPP15_GIGE,             /* GE_TXD[7] */
  38         MPP16_GIGE,             /* GE_RXD[4] */
  39         MPP17_GIGE,             /* GE_RXD[5] */
  40         MPP18_GIGE,             /* GE_RXD[6] */
  41         MPP19_GIGE,             /* GE_RXD[7] */
  42         0,
  43 };
  44
  45 /*
  46  * 8M NOR flash Device bus boot chip select
  47  */
  48 #define WNR854T_NOR_BOOT_BASE   0xf4000000
  49 #define WNR854T_NOR_BOOT_SIZE   SZ_8M
  50
  51 static struct mtd_partition wnr854t_nor_flash_partitions[] = {
  52         {
  53                 .name           = "kernel",
  54                 .offset         = 0x00000000,
  55                 .size           = 0x00100000,
  56         }, {
  57                 .name           = "rootfs",
  58                 .offset         = 0x00100000,
  59                 .size           = 0x00660000,
  60         }, {
  61                 .name           = "uboot",
  62                 .offset         = 0x00760000,
  63                 .size           = 0x00040000,
  64         },
  65 };
  66
  67 static struct physmap_flash_data wnr854t_nor_flash_data = {
  68         .width          = 2,
  69         .parts          = wnr854t_nor_flash_partitions,
  70         .nr_parts       = ARRAY_SIZE(wnr854t_nor_flash_partitions),
  71 };
  72
  73 static struct resource wnr854t_nor_flash_resource = {
  74         .flags          = IORESOURCE_MEM,
  75         .start          = WNR854T_NOR_BOOT_BASE,
  76         .end            = WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
  77 };
  78
  79 static struct platform_device wnr854t_nor_flash = {
  80         .name                   = "physmap-flash",
  81         .id                     = 0,
  82         .dev            = {
  83                 .platform_data  = &wnr854t_nor_flash_data,
  84         },
  85         .num_resources          = 1,
  86         .resource               = &wnr854t_nor_flash_resource,
  87 };
  88
  89 static struct mv643xx_eth_platform_data wnr854t_eth_data = {
  90         .phy_addr       = MV643XX_ETH_PHY_NONE,
  91         .speed          = SPEED_1000,
  92         .duplex         = DUPLEX_FULL,
  93 };
  94
  95 static struct dsa_chip_data wnr854t_switch_chip_data = {
  96         .port_names[0] = "lan3",
  97         .port_names[1] = "lan4",
  98         .port_names[2] = "wan",
  99         .port_names[3] = "cpu",
 100         .port_names[5] = "lan1",
 101         .port_names[7] = "lan2",
 102 };
 103
 104 static void __init wnr854t_init(void)
 105 {
 106         /*
 107          * Setup basic Orion functions. Need to be called early.
 108          */
 109         orion5x_init();
 110
 111         orion5x_mpp_conf(wnr854t_mpp_modes);
 112
 113         /*
 114          * Configure peripherals.
 115          */
 116         orion5x_eth_init(&wnr854t_eth_data);
 117         orion5x_eth_switch_init(&wnr854t_switch_chip_data);
 118         orion5x_uart0_init();
 119
 120         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 121                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 122                                     WNR854T_NOR_BOOT_BASE,
 123                                     WNR854T_NOR_BOOT_SIZE);
 124         platform_device_register(&wnr854t_nor_flash);
 125 }
 126
 127 static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot,
 128         u8 pin)
 129 {
 130         int irq;
 131
 132         /*
 133          * Check for devices with hard-wired IRQs.
 134          */
 135         irq = orion5x_pci_map_irq(dev, slot, pin);
 136         if (irq != -1)
 137                 return irq;
 138
 139         /*
 140          * Mini-PCI slot.
 141          */
 142         if (slot == 7)
 143                 return gpio_to_irq(4);
 144
 145         return -1;
 146 }
 147
 148 static struct hw_pci wnr854t_pci __initdata = {
 149         .nr_controllers = 2,
 150         .setup          = orion5x_pci_sys_setup,
 151         .scan           = orion5x_pci_sys_scan_bus,
 152         .map_irq        = wnr854t_pci_map_irq,
 153 };
 154
 155 static int __init wnr854t_pci_init(void)
 156 {
 157         if (machine_is_wnr854t())
 158                 pci_common_init(&wnr854t_pci);
 159
 160         return 0;
 161 }
 162 subsys_initcall(wnr854t_pci_init);
 163
 164 MACHINE_START(WNR854T, "Netgear WNR854T")
 165         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 166         .atag_offset    = 0x100,
 167         .nr_irqs        = ORION5X_NR_IRQS,
 168         .init_machine   = wnr854t_init,
 169         .map_io         = orion5x_map_io,
 170         .init_early     = orion5x_init_early,
 171         .init_irq       = orion5x_init_irq,
 172         .init_time      = orion5x_timer_init,
 173         .fixup          = tag_fixup_mem32,
 174         .restart        = orion5x_restart,
 175 MACHINE_END