arch/arm/mach-orion5x/rd88f5181l-ge-setup.c

   1 /*
   2  * arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
   3  *
   4  * Marvell Orion-VoIP GE Reference Design Setup
   5  *
   6  * This file is licensed under the terms of the GNU General Public
   7  * License version 2.  This program is licensed "as is" without any
   8  * warranty of any kind, whether express or implied.
   9  */
  10 #include <linux/gpio.h>
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/pci.h>
  15 #include <linux/irq.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/mv643xx_eth.h>
  18 #include <linux/ethtool.h>
  19 #include <linux/i2c.h>
  20 #include <net/dsa.h>
  21 #include <asm/mach-types.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/pci.h>
  24 #include <mach/orion5x.h>
  25 #include "common.h"
  26 #include "mpp.h"
  27
  28 /*****************************************************************************
  29  * RD-88F5181L GE Info
  30  ****************************************************************************/
  31 /*
  32  * 16M NOR flash Device bus boot chip select
  33  */
  34 #define RD88F5181L_GE_NOR_BOOT_BASE             0xff000000
  35 #define RD88F5181L_GE_NOR_BOOT_SIZE             SZ_16M
  36
  37
  38 /*****************************************************************************
  39  * 16M NOR Flash on Device bus Boot chip select
  40  ****************************************************************************/
  41 static struct physmap_flash_data rd88f5181l_ge_nor_boot_flash_data = {
  42         .width          = 1,
  43 };
  44
  45 static struct resource rd88f5181l_ge_nor_boot_flash_resource = {
  46         .flags          = IORESOURCE_MEM,
  47         .start          = RD88F5181L_GE_NOR_BOOT_BASE,
  48         .end            = RD88F5181L_GE_NOR_BOOT_BASE +
  49                           RD88F5181L_GE_NOR_BOOT_SIZE - 1,
  50 };
  51
  52 static struct platform_device rd88f5181l_ge_nor_boot_flash = {
  53         .name                   = "physmap-flash",
  54         .id                     = 0,
  55         .dev            = {
  56                 .platform_data  = &rd88f5181l_ge_nor_boot_flash_data,
  57         },
  58         .num_resources          = 1,
  59         .resource               = &rd88f5181l_ge_nor_boot_flash_resource,
  60 };
  61
  62
  63 /*****************************************************************************
  64  * General Setup
  65  ****************************************************************************/
  66 static unsigned int rd88f5181l_ge_mpp_modes[] __initdata = {
  67         MPP0_GPIO,              /* LED1 */
  68         MPP1_GPIO,              /* LED5 */
  69         MPP2_GPIO,              /* LED4 */
  70         MPP3_GPIO,              /* LED3 */
  71         MPP4_GPIO,              /* PCI_intA */
  72         MPP5_GPIO,              /* RTC interrupt */
  73         MPP6_PCI_CLK,           /* CPU PCI refclk */
  74         MPP7_PCI_CLK,           /* PCI/PCIe refclk */
  75         MPP8_GPIO,              /* 88e6131 interrupt */
  76         MPP9_GPIO,              /* GE_RXERR */
  77         MPP10_GPIO,             /* PCI_intB */
  78         MPP11_GPIO,             /* LED2 */
  79         MPP12_GIGE,             /* GE_TXD[4] */
  80         MPP13_GIGE,             /* GE_TXD[5] */
  81         MPP14_GIGE,             /* GE_TXD[6] */
  82         MPP15_GIGE,             /* GE_TXD[7] */
  83         MPP16_GIGE,             /* GE_RXD[4] */
  84         MPP17_GIGE,             /* GE_RXD[5] */
  85         MPP18_GIGE,             /* GE_RXD[6] */
  86         MPP19_GIGE,             /* GE_RXD[7] */
  87         0,
  88 };
  89
  90 static struct mv643xx_eth_platform_data rd88f5181l_ge_eth_data = {
  91         .phy_addr       = MV643XX_ETH_PHY_NONE,
  92         .speed          = SPEED_1000,
  93         .duplex         = DUPLEX_FULL,
  94 };
  95
  96 static struct dsa_chip_data rd88f5181l_ge_switch_chip_data = {
  97         .port_names[0]  = "lan2",
  98         .port_names[1]  = "lan1",
  99         .port_names[2]  = "wan",
 100         .port_names[3]  = "cpu",
 101         .port_names[5]  = "lan4",
 102         .port_names[7]  = "lan3",
 103 };
 104
 105 static struct dsa_platform_data rd88f5181l_ge_switch_plat_data = {
 106         .nr_chips       = 1,
 107         .chip           = &rd88f5181l_ge_switch_chip_data,
 108 };
 109
 110 static struct i2c_board_info __initdata rd88f5181l_ge_i2c_rtc = {
 111         I2C_BOARD_INFO("ds1338", 0x68),
 112 };
 113
 114 static void __init rd88f5181l_ge_init(void)
 115 {
 116         /*
 117          * Setup basic Orion functions. Need to be called early.
 118          */
 119         orion5x_init();
 120
 121         orion5x_mpp_conf(rd88f5181l_ge_mpp_modes);
 122
 123         /*
 124          * Configure peripherals.
 125          */
 126         orion5x_ehci0_init();
 127         orion5x_eth_init(&rd88f5181l_ge_eth_data);
 128         orion5x_eth_switch_init(&rd88f5181l_ge_switch_plat_data,
 129                                 gpio_to_irq(8));
 130         orion5x_i2c_init();
 131         orion5x_uart0_init();
 132
 133         mvebu_mbus_add_window("devbus-boot", RD88F5181L_GE_NOR_BOOT_BASE,
 134                               RD88F5181L_GE_NOR_BOOT_SIZE);
 135         platform_device_register(&rd88f5181l_ge_nor_boot_flash);
 136
 137         i2c_register_board_info(0, &rd88f5181l_ge_i2c_rtc, 1);
 138 }
 139
 140 static int __init
 141 rd88f5181l_ge_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 142 {
 143         int irq;
 144
 145         /*
 146          * Check for devices with hard-wired IRQs.
 147          */
 148         irq = orion5x_pci_map_irq(dev, slot, pin);
 149         if (irq != -1)
 150                 return irq;
 151
 152         /*
 153          * Cardbus slot.
 154          */
 155         if (pin == 1)
 156                 return gpio_to_irq(4);
 157         else
 158                 return gpio_to_irq(10);
 159 }
 160
 161 static struct hw_pci rd88f5181l_ge_pci __initdata = {
 162         .nr_controllers = 2,
 163         .setup          = orion5x_pci_sys_setup,
 164         .scan           = orion5x_pci_sys_scan_bus,
 165         .map_irq        = rd88f5181l_ge_pci_map_irq,
 166 };
 167
 168 static int __init rd88f5181l_ge_pci_init(void)
 169 {
 170         if (machine_is_rd88f5181l_ge()) {
 171                 orion5x_pci_set_cardbus_mode();
 172                 pci_common_init(&rd88f5181l_ge_pci);
 173         }
 174
 175         return 0;
 176 }
 177 subsys_initcall(rd88f5181l_ge_pci_init);
 178
 179 MACHINE_START(RD88F5181L_GE, "Marvell Orion-VoIP GE Reference Design")
 180         /* Maintainer: Lennert Buytenhek <buytenh@marvell.com> */
 181         .atag_offset    = 0x100,
 182         .init_machine   = rd88f5181l_ge_init,
 183         .map_io         = orion5x_map_io,
 184         .init_early     = orion5x_init_early,
 185         .init_irq       = orion5x_init_irq,
 186         .init_time      = orion5x_timer_init,
 187         .fixup          = tag_fixup_mem32,
 188         .restart        = orion5x_restart,
 189 MACHINE_END