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   1 /*
   2  * arch/arm/mach-orion5x/wrt350n-v2-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
   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 <asm/mach-types.h>
  19 #include <asm/gpio.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 struct orion5x_mpp_mode wrt350n_v2_mpp_modes[] __initdata = {
  27         {  0, MPP_GPIO },               /* Power LED green (0=on) */
  28         {  1, MPP_GPIO },               /* Security LED (0=on) */
  29         {  2, MPP_GPIO },               /* Internal Button (0=on) */
  30         {  3, MPP_GPIO },               /* Reset Button (0=on) */
  31         {  4, MPP_GPIO },               /* PCI int */
  32         {  5, MPP_GPIO },               /* Power LED orange (0=on) */
  33         {  6, MPP_GPIO },               /* USB LED (0=on) */
  34         {  7, MPP_GPIO },               /* Wireless LED (0=on) */
  35         {  8, MPP_UNUSED },             /* ??? */
  36         {  9, MPP_GIGE },               /* GE_RXERR */
  37         { 10, MPP_UNUSED },             /* ??? */
  38         { 11, MPP_UNUSED },             /* ??? */
  39         { 12, MPP_GIGE },               /* GE_TXD[4] */
  40         { 13, MPP_GIGE },               /* GE_TXD[5] */
  41         { 14, MPP_GIGE },               /* GE_TXD[6] */
  42         { 15, MPP_GIGE },               /* GE_TXD[7] */
  43         { 16, MPP_GIGE },               /* GE_RXD[4] */
  44         { 17, MPP_GIGE },               /* GE_RXD[5] */
  45         { 18, MPP_GIGE },               /* GE_RXD[6] */
  46         { 19, MPP_GIGE },               /* GE_RXD[7] */
  47         { -1 },
  48 };
  49
  50 /*
  51  * 8M NOR flash Device bus boot chip select
  52  */
  53 #define WRT350N_V2_NOR_BOOT_BASE        0xf4000000
  54 #define WRT350N_V2_NOR_BOOT_SIZE        SZ_8M
  55
  56 static struct mtd_partition wrt350n_v2_nor_flash_partitions[] = {
  57         {
  58                 .name           = "kernel",
  59                 .offset         = 0x00000000,
  60                 .size           = 0x00760000,
  61         }, {
  62                 .name           = "rootfs",
  63                 .offset         = 0x001a0000,
  64                 .size           = 0x005c0000,
  65         }, {
  66                 .name           = "lang",
  67                 .offset         = 0x00760000,
  68                 .size           = 0x00040000,
  69         }, {
  70                 .name           = "nvram",
  71                 .offset         = 0x007a0000,
  72                 .size           = 0x00020000,
  73         }, {
  74                 .name           = "u-boot",
  75                 .offset         = 0x007c0000,
  76                 .size           = 0x00040000,
  77         },
  78 };
  79
  80 static struct physmap_flash_data wrt350n_v2_nor_flash_data = {
  81         .width          = 1,
  82         .parts          = wrt350n_v2_nor_flash_partitions,
  83         .nr_parts       = ARRAY_SIZE(wrt350n_v2_nor_flash_partitions),
  84 };
  85
  86 static struct resource wrt350n_v2_nor_flash_resource = {
  87         .flags          = IORESOURCE_MEM,
  88         .start          = WRT350N_V2_NOR_BOOT_BASE,
  89         .end            = WRT350N_V2_NOR_BOOT_BASE + WRT350N_V2_NOR_BOOT_SIZE - 1,
  90 };
  91
  92 static struct platform_device wrt350n_v2_nor_flash = {
  93         .name                   = "physmap-flash",
  94         .id                     = 0,
  95         .dev            = {
  96                 .platform_data  = &wrt350n_v2_nor_flash_data,
  97         },
  98         .num_resources          = 1,
  99         .resource               = &wrt350n_v2_nor_flash_resource,
 100 };
 101
 102 static struct mv643xx_eth_platform_data wrt350n_v2_eth_data = {
 103         .phy_addr       = MV643XX_ETH_PHY_NONE,
 104         .speed          = SPEED_1000,
 105         .duplex         = DUPLEX_FULL,
 106 };
 107
 108 static void __init wrt350n_v2_init(void)
 109 {
 110         /*
 111          * Setup basic Orion functions. Need to be called early.
 112          */
 113         orion5x_init();
 114
 115         orion5x_mpp_conf(wrt350n_v2_mpp_modes);
 116
 117         /*
 118          * Configure peripherals.
 119          */
 120         orion5x_ehci0_init();
 121         orion5x_eth_init(&wrt350n_v2_eth_data);
 122         orion5x_uart0_init();
 123
 124         orion5x_setup_dev_boot_win(WRT350N_V2_NOR_BOOT_BASE,
 125                                    WRT350N_V2_NOR_BOOT_SIZE);
 126         platform_device_register(&wrt350n_v2_nor_flash);
 127 }
 128
 129 static int __init wrt350n_v2_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 130 {
 131         int irq;
 132
 133         /*
 134          * Check for devices with hard-wired IRQs.
 135          */
 136         irq = orion5x_pci_map_irq(dev, slot, pin);
 137         if (irq != -1)
 138                 return irq;
 139
 140         /*
 141          * Mini-PCI slot.
 142          */
 143         if (slot == 7)
 144                 return gpio_to_irq(4);
 145
 146         return -1;
 147 }
 148
 149 static struct hw_pci wrt350n_v2_pci __initdata = {
 150         .nr_controllers = 2,
 151         .swizzle        = pci_std_swizzle,
 152         .setup          = orion5x_pci_sys_setup,
 153         .scan           = orion5x_pci_sys_scan_bus,
 154         .map_irq        = wrt350n_v2_pci_map_irq,
 155 };
 156
 157 static int __init wrt350n_v2_pci_init(void)
 158 {
 159         if (machine_is_wrt350n_v2())
 160                 pci_common_init(&wrt350n_v2_pci);
 161
 162         return 0;
 163 }
 164 subsys_initcall(wrt350n_v2_pci_init);
 165
 166 MACHINE_START(WRT350N_V2, "Linksys WRT350N v2")
 167         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 168         .phys_io        = ORION5X_REGS_PHYS_BASE,
 169         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 170         .boot_params    = 0x00000100,
 171         .init_machine   = wrt350n_v2_init,
 172         .map_io         = orion5x_map_io,
 173         .init_irq       = orion5x_init_irq,
 174         .timer          = &orion5x_timer,
 175         .fixup          = tag_fixup_mem32,
 176 MACHINE_END