arch/arm/mach-kirkwood/tk71-setup.c

   1 /*
   2  * arch/arm/mach-kirkwood/tk71-setup.c
   3  * based on
   4  * arch/arm/mach-kirkwood/rd88f6281-setup.c
   5  *
   6  * TK71 Kirkwood based Q7 formfactor board
   7  *
   8  * This file is licensed under the terms of the GNU General Public
   9  * License version 2.  This program is licensed "as is" without any
  10  * warranty of any kind, whether express or implied.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/irq.h>
  17 #include <linux/mtd/nand.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/ata_platform.h>
  20 #include <linux/mv643xx_eth.h>
  21 #include <linux/gpio.h>
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <mach/kirkwood.h>
  25 #include <plat/mvsdio.h>
  26 #include <plat/orion_nand.h>
  27 #include "common.h"
  28 #include "mpp.h"
  29
  30 static struct mtd_partition tk71_nand_parts[] = {
  31         {
  32                 .name = "u-boot",
  33                 .offset = 0,
  34                 .size = 0x80000
  35         }, {
  36                 .name = "u-boot-env",
  37                 .offset = MTDPART_OFS_NXTBLK,
  38                 .size = 0x80000
  39         }, {
  40                 .name = "kernel",
  41                 .offset = MTDPART_OFS_NXTBLK,
  42                 .size = 0x300000
  43         }, {
  44                 .name = "root",
  45                 .offset = MTDPART_OFS_NXTBLK,
  46                 .size = MTDPART_SIZ_FULL
  47         },
  48 };
  49
  50 static struct mv643xx_eth_platform_data tk71_ge00_data = {
  51         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  52         /* in case a hardcoded MAC address is needed uncomment next line */
  53         /* .mac_addr    = {0x00, 0x0c, 0xc6, 0x76, 0x76, 0x2b}, */
  54 };
  55
  56 static struct mv643xx_eth_platform_data tk71_ge01_data = {
  57         .phy_addr       = MV643XX_ETH_PHY_ADDR(28),
  58         /* in case a hardcoded MAC address is needed uncomment next line */
  59         /* .mac_addr    = {0x00, 0x0c, 0xc6, 0x76, 0x76, 0x2c}, */
  60 };
  61
  62 static struct mv_sata_platform_data tk71_sata_data = {
  63         .n_ports        = 2,
  64 };
  65
  66 static struct mvsdio_platform_data tk71_mvsdio_data = {
  67         .gpio_card_detect = 29,
  68 };
  69
  70 static unsigned int tk71_mpp_config[] __initdata = {
  71 #if 0
  72         MPP0_SPI_SCn,           /* SPI - currently unused */
  73         MPP1_SPI_MOSI,
  74         MPP2_SPI_SCK,
  75         MPP3_SPI_MISO,
  76 #endif
  77         MPP7_PEX_RST_OUTn,      /* PCIe #reset */
  78         MPP8_TW0_SDA,           /* I2C */
  79         MPP9_TW0_SCK,           /* I2C */
  80         MPP20_GE1_TXD0,         /* second GigE */
  81         MPP21_GE1_TXD1,
  82         MPP22_GE1_TXD2,
  83         MPP23_GE1_TXD3,
  84         MPP24_GE1_RXD0,
  85         MPP25_GE1_RXD1,
  86         MPP26_GE1_RXD2,
  87         MPP27_GE1_RXD3,
  88         MPP28_GPIO,             /* PHY2 RESET */
  89         MPP29_GPIO,             /* SDIO_CD# */
  90         MPP30_GE1_RXCTL,
  91         MPP31_GE1_RXCLK,
  92         MPP32_GE1_TCLKOUT,
  93         MPP33_GE1_TXCTL,
  94         MPP34_GPIO,             /* SDIO_PWR# */
  95         0
  96 };
  97
  98 static void __init tk71_init(void)
  99 {
 100         /*
 101          * Basic setup. Needs to be called early.
 102          */
 103         kirkwood_init();
 104
 105         kirkwood_mpp_conf(tk71_mpp_config);
 106
 107         kirkwood_uart0_init();
 108
 109         kirkwood_nand_init(ARRAY_AND_SIZE(tk71_nand_parts), 25);
 110
 111         /* kirkwood_spi_init(); */ /* if you want to use SPI, uncomment this and MPP setup above*/
 112
 113         kirkwood_i2c_init();
 114
 115         /* eth0 */
 116         kirkwood_ge00_init(&tk71_ge00_data);
 117
 118         /* eth1 */
 119         if (gpio_request(28, "PHY2 reset") != 0 ||
 120                 gpio_direction_input(28) != 0) /* high-z */
 121                 pr_err("can't deassert GPIO 28 (PHY2 reset)\n");
 122         else
 123                 kirkwood_ge01_init(&tk71_ge01_data);
 124
 125         kirkwood_sata_init(&tk71_sata_data);
 126
 127         kirkwood_ehci_init();
 128
 129         if (gpio_request(34, "SDIO Power Enable") != 0 ||
 130                 gpio_direction_output(34, 0) != 0) /* low active */
 131                 pr_err("can't set up GPIO 34 (SDIO Power Enable)\n");
 132         kirkwood_sdio_init(&tk71_mvsdio_data);
 133 }
 134
 135 static int __init tk71_pci_init(void)
 136 {
 137         if (machine_is_tk71())
 138                 kirkwood_pcie_init(KW_PCIE0);
 139
 140         return 0;
 141 }
 142 subsys_initcall(tk71_pci_init);
 143
 144 MACHINE_START(TK71, "TK71 Kirkwood based Q7 formfactor board")
 145         /* Maintainer: Nils Faerber <nils.faerber@kernelconcepts.de> */
 146         .boot_params    = 0x00000100,
 147         .init_machine   = tk71_init,
 148         .map_io         = kirkwood_map_io,
 149         .init_irq       = kirkwood_init_irq,
 150         .timer          = &kirkwood_timer,
 151 MACHINE_END