Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * arch/arm/mach-kirkwood/sheevaplug-setup.c
  3  *
  4  * Marvell SheevaPlug Reference Board 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 
 11 #include <linux/kernel.h>
 12 #include <linux/init.h>
 13 #include <linux/platform_device.h>
 14 #include <linux/mtd/partitions.h>
 15 #include <linux/mv643xx_eth.h>
 16 #include <linux/gpio.h>
 17 #include <linux/leds.h>
 18 #include <asm/mach-types.h>
 19 #include <asm/mach/arch.h>
 20 #include <mach/kirkwood.h>
 21 #include <plat/mvsdio.h>
 22 #include "common.h"
 23 #include "mpp.h"
 24 
 25 static struct mtd_partition sheevaplug_nand_parts[] = {
 26         {
 27                 .name = "u-boot",
 28                 .offset = 0,
 29                 .size = SZ_1M
 30         }, {
 31                 .name = "uImage",
 32                 .offset = MTDPART_OFS_NXTBLK,
 33                 .size = SZ_4M
 34         }, {
 35                 .name = "root",
 36                 .offset = MTDPART_OFS_NXTBLK,
 37                 .size = MTDPART_SIZ_FULL
 38         },
 39 };
 40 
 41 static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
 42         .phy_addr       = MV643XX_ETH_PHY_ADDR(0),
 43 };
 44 
 45 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
 46         /* unfortunately the CD signal has not been connected */
 47 };
 48 
 49 static struct gpio_led sheevaplug_led_pins[] = {
 50         {
 51                 .name                   = "plug:green:health",
 52                 .default_trigger        = "default-on",
 53                 .gpio                   = 49,
 54                 .active_low             = 1,
 55         },
 56 };
 57 
 58 static struct gpio_led_platform_data sheevaplug_led_data = {
 59         .leds           = sheevaplug_led_pins,
 60         .num_leds       = ARRAY_SIZE(sheevaplug_led_pins),
 61 };
 62 
 63 static struct platform_device sheevaplug_leds = {
 64         .name   = "leds-gpio",
 65         .id     = -1,
 66         .dev    = {
 67                 .platform_data  = &sheevaplug_led_data,
 68         }
 69 };
 70 
 71 static unsigned int sheevaplug_mpp_config[] __initdata = {
 72         MPP29_GPIO,     /* USB Power Enable */
 73         MPP49_GPIO,     /* LED */
 74         0
 75 };
 76 
 77 static void __init sheevaplug_init(void)
 78 {
 79         /*
 80          * Basic setup. Needs to be called early.
 81          */
 82         kirkwood_init();
 83         kirkwood_mpp_conf(sheevaplug_mpp_config);
 84 
 85         kirkwood_uart0_init();
 86         kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
 87 
 88         if (gpio_request(29, "USB Power Enable") != 0 ||
 89             gpio_direction_output(29, 1) != 0)
 90                 printk(KERN_ERR "can't set up GPIO 29 (USB Power Enable)\n");
 91         kirkwood_ehci_init();
 92 
 93         kirkwood_ge00_init(&sheevaplug_ge00_data);
 94         kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 95 
 96         platform_device_register(&sheevaplug_leds);
 97 }
 98 
 99 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
100         /* Maintainer: shadi Ammouri <shadi@marvell.com> */
101         .phys_io        = KIRKWOOD_REGS_PHYS_BASE,
102         .io_pg_offst    = ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
103         .boot_params    = 0x00000100,
104         .init_machine   = sheevaplug_init,
105         .map_io         = kirkwood_map_io,
106         .init_irq       = kirkwood_init_irq,
107         .timer          = &kirkwood_timer,
108 MACHINE_END
109 
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