arch/mips/loongson32/ls1b/board.c

   1 /*
   2  * Copyright (c) 2011-2016 Zhang, Keguang <keguang.zhang@gmail.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the
   6  * Free Software Foundation; either version 2 of the License, or (at your
   7  * option) any later version.
   8  */
   9
  10 #include <linux/leds.h>
  11 #include <linux/mtd/partitions.h>
  12 #include <linux/sizes.h>
  13
  14 #include <loongson1.h>
  15 #include <dma.h>
  16 #include <nand.h>
  17 #include <platform.h>
  18
  19 struct plat_ls1x_dma ls1x_dma_pdata = {
  20         .nr_channels    = 3,
  21 };
  22
  23 static struct mtd_partition ls1x_nand_parts[] = {
  24         {
  25                 .name        = "kernel",
  26                 .offset      = 0,
  27                 .size        = SZ_16M,
  28         },
  29         {
  30                 .name        = "rootfs",
  31                 .offset      = MTDPART_OFS_APPEND,
  32                 .size        = MTDPART_SIZ_FULL,
  33         },
  34 };
  35
  36 struct plat_ls1x_nand ls1x_nand_pdata = {
  37         .parts          = ls1x_nand_parts,
  38         .nr_parts       = ARRAY_SIZE(ls1x_nand_parts),
  39         .hold_cycle     = 0x2,
  40         .wait_cycle     = 0xc,
  41 };
  42
  43 static const struct gpio_led ls1x_gpio_leds[] __initconst = {
  44         {
  45                 .name                   = "LED9",
  46                 .default_trigger        = "heartbeat",
  47                 .gpio                   = 38,
  48                 .active_low             = 1,
  49                 .default_state          = LEDS_GPIO_DEFSTATE_OFF,
  50         }, {
  51                 .name                   = "LED6",
  52                 .default_trigger        = "nand-disk",
  53                 .gpio                   = 39,
  54                 .active_low             = 1,
  55                 .default_state          = LEDS_GPIO_DEFSTATE_OFF,
  56         },
  57 };
  58
  59 static const struct gpio_led_platform_data ls1x_led_pdata __initconst = {
  60         .num_leds       = ARRAY_SIZE(ls1x_gpio_leds),
  61         .leds           = ls1x_gpio_leds,
  62 };
  63
  64 static struct platform_device *ls1b_platform_devices[] __initdata = {
  65         &ls1x_uart_pdev,
  66         &ls1x_cpufreq_pdev,
  67         &ls1x_dma_pdev,
  68         &ls1x_eth0_pdev,
  69         &ls1x_eth1_pdev,
  70         &ls1x_ehci_pdev,
  71         &ls1x_gpio0_pdev,
  72         &ls1x_gpio1_pdev,
  73         &ls1x_nand_pdev,
  74         &ls1x_rtc_pdev,
  75         &ls1x_wdt_pdev,
  76 };
  77
  78 static int __init ls1b_platform_init(void)
  79 {
  80         ls1x_serial_set_uartclk(&ls1x_uart_pdev);
  81         ls1x_dma_set_platdata(&ls1x_dma_pdata);
  82         ls1x_nand_set_platdata(&ls1x_nand_pdata);
  83
  84         gpio_led_register_device(-1, &ls1x_led_pdata);
  85
  86         return platform_add_devices(ls1b_platform_devices,
  87                                    ARRAY_SIZE(ls1b_platform_devices));
  88 }
  89
  90 arch_initcall(ls1b_platform_init);