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

   1 /*
   2  * arch/arm/mach-orion5x/wnr854t-setup.c
   3  *
   4  * This file is licensed under the terms of the GNU General Public
   5  * License version 2.  This program is licensed "as is" without any
   6  * warranty of any kind, whether express or implied.
   7  */
   8 #include <linux/gpio.h>
   9 #include <linux/kernel.h>
  10 #include <linux/init.h>
  11 #include <linux/platform_device.h>
  12 #include <linux/pci.h>
  13 #include <linux/irq.h>
  14 #include <linux/delay.h>
  15 #include <linux/mtd/physmap.h>
  16 #include <linux/mv643xx_eth.h>
  17 #include <linux/ethtool.h>
  18 #include <net/dsa.h>
  19 #include <asm/mach-types.h>
  20 #include <asm/mach/arch.h>
  21 #include <asm/mach/pci.h>
  22 #include <mach/orion5x.h>
  23 #include "common.h"
  24 #include "mpp.h"
  25
  26 static unsigned int wnr854t_mpp_modes[] __initdata = {
  27         MPP0_GPIO,              /* Power LED green (0=on) */
  28         MPP1_GPIO,              /* Reset Button (0=off) */
  29         MPP2_GPIO,              /* Power LED blink (0=off) */
  30         MPP3_GPIO,              /* WAN Status LED amber (0=off) */
  31         MPP4_GPIO,              /* PCI int */
  32         MPP5_GPIO,              /* ??? */
  33         MPP6_GPIO,              /* ??? */
  34         MPP7_GPIO,              /* ??? */
  35         MPP8_UNUSED,            /* ??? */
  36         MPP9_GIGE,              /* GE_RXERR */
  37         MPP10_UNUSED,           /* ??? */
  38         MPP11_UNUSED,           /* ??? */
  39         MPP12_GIGE,             /* GE_TXD[4] */
  40         MPP13_GIGE,             /* GE_TXD[5] */
  41         MPP14_GIGE,             /* GE_TXD[6] */
  42         MPP15_GIGE,             /* GE_TXD[7] */
  43         MPP16_GIGE,             /* GE_RXD[4] */
  44         MPP17_GIGE,             /* GE_RXD[5] */
  45         MPP18_GIGE,             /* GE_RXD[6] */
  46         MPP19_GIGE,             /* GE_RXD[7] */
  47         0,
  48 };
  49
  50 /*
  51  * 8M NOR flash Device bus boot chip select
  52  */
  53 #define WNR854T_NOR_BOOT_BASE   0xf4000000
  54 #define WNR854T_NOR_BOOT_SIZE   SZ_8M
  55
  56 static struct mtd_partition wnr854t_nor_flash_partitions[] = {
  57         {
  58                 .name           = "kernel",
  59                 .offset         = 0x00000000,
  60                 .size           = 0x00100000,
  61         }, {
  62                 .name           = "rootfs",
  63                 .offset         = 0x00100000,
  64                 .size           = 0x00660000,
  65         }, {
  66                 .name           = "uboot",
  67                 .offset         = 0x00760000,
  68                 .size           = 0x00040000,
  69         },
  70 };
  71
  72 static struct physmap_flash_data wnr854t_nor_flash_data = {
  73         .width          = 2,
  74         .parts          = wnr854t_nor_flash_partitions,
  75         .nr_parts       = ARRAY_SIZE(wnr854t_nor_flash_partitions),
  76 };
  77
  78 static struct resource wnr854t_nor_flash_resource = {
  79         .flags          = IORESOURCE_MEM,
  80         .start          = WNR854T_NOR_BOOT_BASE,
  81         .end            = WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
  82 };
  83
  84 static struct platform_device wnr854t_nor_flash = {
  85         .name                   = "physmap-flash",
  86         .id                     = 0,
  87         .dev            = {
  88                 .platform_data  = &wnr854t_nor_flash_data,
  89         },
  90         .num_resources          = 1,
  91         .resource               = &wnr854t_nor_flash_resource,
  92 };
  93
  94 static struct mv643xx_eth_platform_data wnr854t_eth_data = {
  95         .phy_addr       = MV643XX_ETH_PHY_NONE,
  96         .speed          = SPEED_1000,
  97         .duplex         = DUPLEX_FULL,
  98 };
  99
 100 static struct dsa_chip_data wnr854t_switch_chip_data = {
 101         .port_names[0] = "lan3",
 102         .port_names[1] = "lan4",
 103         .port_names[2] = "wan",
 104         .port_names[3] = "cpu",
 105         .port_names[5] = "lan1",
 106         .port_names[7] = "lan2",
 107 };
 108
 109 static struct dsa_platform_data wnr854t_switch_plat_data = {
 110         .nr_chips       = 1,
 111         .chip           = &wnr854t_switch_chip_data,
 112 };
 113
 114 static void __init wnr854t_init(void)
 115 {
 116         /*
 117          * Setup basic Orion functions. Need to be called early.
 118          */
 119         orion5x_init();
 120
 121         orion5x_mpp_conf(wnr854t_mpp_modes);
 122
 123         /*
 124          * Configure peripherals.
 125          */
 126         orion5x_eth_init(&wnr854t_eth_data);
 127         orion5x_eth_switch_init(&wnr854t_switch_plat_data, NO_IRQ);
 128         orion5x_uart0_init();
 129
 130         mvebu_mbus_add_window_by_id(ORION_MBUS_DEVBUS_BOOT_TARGET,
 131                                     ORION_MBUS_DEVBUS_BOOT_ATTR,
 132                                     WNR854T_NOR_BOOT_BASE,
 133                                     WNR854T_NOR_BOOT_SIZE);
 134         platform_device_register(&wnr854t_nor_flash);
 135 }
 136
 137 static int __init wnr854t_pci_map_irq(const struct pci_dev *dev, u8 slot,
 138         u8 pin)
 139 {
 140         int irq;
 141
 142         /*
 143          * Check for devices with hard-wired IRQs.
 144          */
 145         irq = orion5x_pci_map_irq(dev, slot, pin);
 146         if (irq != -1)
 147                 return irq;
 148
 149         /*
 150          * Mini-PCI slot.
 151          */
 152         if (slot == 7)
 153                 return gpio_to_irq(4);
 154
 155         return -1;
 156 }
 157
 158 static struct hw_pci wnr854t_pci __initdata = {
 159         .nr_controllers = 2,
 160         .setup          = orion5x_pci_sys_setup,
 161         .scan           = orion5x_pci_sys_scan_bus,
 162         .map_irq        = wnr854t_pci_map_irq,
 163 };
 164
 165 static int __init wnr854t_pci_init(void)
 166 {
 167         if (machine_is_wnr854t())
 168                 pci_common_init(&wnr854t_pci);
 169
 170         return 0;
 171 }
 172 subsys_initcall(wnr854t_pci_init);
 173
 174 MACHINE_START(WNR854T, "Netgear WNR854T")
 175         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 176         .atag_offset    = 0x100,
 177         .init_machine   = wnr854t_init,
 178         .map_io         = orion5x_map_io,
 179         .init_early     = orion5x_init_early,
 180         .init_irq       = orion5x_init_irq,
 181         .init_time      = orion5x_timer_init,
 182         .fixup          = tag_fixup_mem32,
 183         .restart        = orion5x_restart,
 184 MACHINE_END