release/src-rt-6.x.4708/linux/linux-2.6.36/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
   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/gpio.h>
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach/pci.h>
  23 #include <mach/orion5x.h>
  24 #include "common.h"
  25 #include "mpp.h"
  26
  27 static struct orion5x_mpp_mode wnr854t_mpp_modes[] __initdata = {
  28         {  0, MPP_GPIO },               /* Power LED green (0=on) */
  29         {  1, MPP_GPIO },               /* Reset Button (0=off) */
  30         {  2, MPP_GPIO },               /* Power LED blink (0=off) */
  31         {  3, MPP_GPIO },               /* WAN Status LED amber (0=off) */
  32         {  4, MPP_GPIO },               /* PCI int */
  33         {  5, MPP_GPIO },               /* ??? */
  34         {  6, MPP_GPIO },               /* ??? */
  35         {  7, MPP_GPIO },               /* ??? */
  36         {  8, MPP_UNUSED },             /* ??? */
  37         {  9, MPP_GIGE },               /* GE_RXERR */
  38         { 10, MPP_UNUSED },             /* ??? */
  39         { 11, MPP_UNUSED },             /* ??? */
  40         { 12, MPP_GIGE },               /* GE_TXD[4] */
  41         { 13, MPP_GIGE },               /* GE_TXD[5] */
  42         { 14, MPP_GIGE },               /* GE_TXD[6] */
  43         { 15, MPP_GIGE },               /* GE_TXD[7] */
  44         { 16, MPP_GIGE },               /* GE_RXD[4] */
  45         { 17, MPP_GIGE },               /* GE_RXD[5] */
  46         { 18, MPP_GIGE },               /* GE_RXD[6] */
  47         { 19, MPP_GIGE },               /* GE_RXD[7] */
  48         { -1 },
  49 };
  50
  51 /*
  52  * 8M NOR flash Device bus boot chip select
  53  */
  54 #define WNR854T_NOR_BOOT_BASE   0xf4000000
  55 #define WNR854T_NOR_BOOT_SIZE   SZ_8M
  56
  57 static struct mtd_partition wnr854t_nor_flash_partitions[] = {
  58         {
  59                 .name           = "kernel",
  60                 .offset         = 0x00000000,
  61                 .size           = 0x00100000,
  62         }, {
  63                 .name           = "rootfs",
  64                 .offset         = 0x00100000,
  65                 .size           = 0x00660000,
  66         }, {
  67                 .name           = "uboot",
  68                 .offset         = 0x00760000,
  69                 .size           = 0x00040000,
  70         },
  71 };
  72
  73 static struct physmap_flash_data wnr854t_nor_flash_data = {
  74         .width          = 2,
  75         .parts          = wnr854t_nor_flash_partitions,
  76         .nr_parts       = ARRAY_SIZE(wnr854t_nor_flash_partitions),
  77 };
  78
  79 static struct resource wnr854t_nor_flash_resource = {
  80         .flags          = IORESOURCE_MEM,
  81         .start          = WNR854T_NOR_BOOT_BASE,
  82         .end            = WNR854T_NOR_BOOT_BASE + WNR854T_NOR_BOOT_SIZE - 1,
  83 };
  84
  85 static struct platform_device wnr854t_nor_flash = {
  86         .name                   = "physmap-flash",
  87         .id                     = 0,
  88         .dev            = {
  89                 .platform_data  = &wnr854t_nor_flash_data,
  90         },
  91         .num_resources          = 1,
  92         .resource               = &wnr854t_nor_flash_resource,
  93 };
  94
  95 static struct mv643xx_eth_platform_data wnr854t_eth_data = {
  96         .phy_addr       = MV643XX_ETH_PHY_NONE,
  97         .speed          = SPEED_1000,
  98         .duplex         = DUPLEX_FULL,
  99 };
 100
 101 static struct dsa_chip_data wnr854t_switch_chip_data = {
 102         .port_names[0] = "lan3",
 103         .port_names[1] = "lan4",
 104         .port_names[2] = "wan",
 105         .port_names[3] = "cpu",
 106         .port_names[5] = "lan1",
 107         .port_names[7] = "lan2",
 108 };
 109
 110 static struct dsa_platform_data wnr854t_switch_plat_data = {
 111         .nr_chips       = 1,
 112         .chip           = &wnr854t_switch_chip_data,
 113 };
 114
 115 static void __init wnr854t_init(void)
 116 {
 117         /*
 118          * Setup basic Orion functions. Need to be called early.
 119          */
 120         orion5x_init();
 121
 122         orion5x_mpp_conf(wnr854t_mpp_modes);
 123
 124         /*
 125          * Configure peripherals.
 126          */
 127         orion5x_eth_init(&wnr854t_eth_data);
 128         orion5x_eth_switch_init(&wnr854t_switch_plat_data, NO_IRQ);
 129         orion5x_uart0_init();
 130
 131         orion5x_setup_dev_boot_win(WNR854T_NOR_BOOT_BASE,
 132                                    WNR854T_NOR_BOOT_SIZE);
 133         platform_device_register(&wnr854t_nor_flash);
 134 }
 135
 136 static int __init wnr854t_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 137 {
 138         int irq;
 139
 140         /*
 141          * Check for devices with hard-wired IRQs.
 142          */
 143         irq = orion5x_pci_map_irq(dev, slot, pin);
 144         if (irq != -1)
 145                 return irq;
 146
 147         /*
 148          * Mini-PCI slot.
 149          */
 150         if (slot == 7)
 151                 return gpio_to_irq(4);
 152
 153         return -1;
 154 }
 155
 156 static struct hw_pci wnr854t_pci __initdata = {
 157         .nr_controllers = 2,
 158         .swizzle        = pci_std_swizzle,
 159         .setup          = orion5x_pci_sys_setup,
 160         .scan           = orion5x_pci_sys_scan_bus,
 161         .map_irq        = wnr854t_pci_map_irq,
 162 };
 163
 164 static int __init wnr854t_pci_init(void)
 165 {
 166         if (machine_is_wnr854t())
 167                 pci_common_init(&wnr854t_pci);
 168
 169         return 0;
 170 }
 171 subsys_initcall(wnr854t_pci_init);
 172
 173 MACHINE_START(WNR854T, "Netgear WNR854T")
 174         /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 175         .phys_io        = ORION5X_REGS_PHYS_BASE,
 176         .io_pg_offst    = ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
 177         .boot_params    = 0x00000100,
 178         .init_machine   = wnr854t_init,
 179         .map_io         = orion5x_map_io,
 180         .init_irq       = orion5x_init_irq,
 181         .timer          = &orion5x_timer,
 182         .fixup          = tag_fixup_mem32,
 183 MACHINE_END