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