target/linux/adm5120/files-2.6.26/arch/mips/adm5120/zyxel/p-33x.c

   1 /*
   2  *  ZyXEL Prestige P-33x boards support
   3  *
   4  *  Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9  *
  10  */
  11
  12 #include "p-33x.h"
  13
  14 #define P33X_GPIO_FLASH_A20     ADM5120_GPIO_PIN5
  15 #define P33X_GPIO_DEV_MASK      (1 << P33X_GPIO_FLASH_A20)
  16
  17 #ifdef CONFIG_MTD_PARTITIONS
  18 static struct mtd_partition p33x_partitions[] = {
  19         {
  20                 .name   = "bootbase",
  21                 .offset = 0,
  22                 .size   = 16*1024,
  23                 .mask_flags = MTD_WRITEABLE,
  24         } , {
  25                 .name   = "rom",
  26                 .offset = MTDPART_OFS_APPEND,
  27                 .size   = 16*1024,
  28         } , {
  29                 .name   = "bootext",
  30                 .offset = MTDPART_OFS_APPEND,
  31                 .size   = 96*1024,
  32                 .mask_flags = MTD_WRITEABLE,
  33         } , {
  34                 .name   = "trx",
  35                 .offset = MTDPART_OFS_APPEND,
  36                 .size   = MTDPART_SIZ_FULL,
  37         } , {
  38                 .name   = "firmware",
  39                 .offset = 32*1024,
  40                 .size   = MTDPART_SIZ_FULL,
  41         }
  42 };
  43 #endif /* CONFIG_MTD_PARTITIONS */
  44
  45 static struct adm5120_pci_irq p33x_pci_irqs[] __initdata = {
  46         PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
  47 };
  48
  49 static u8 p33x_vlans[6] __initdata = {
  50         /* FIXME: untested */
  51         0x50, 0x48, 0x44, 0x42, 0x41, 0x00
  52 };
  53
  54 static void switch_bank_gpio5(unsigned bank)
  55 {
  56         switch (bank) {
  57         case 0:
  58                 gpio_set_value(P33X_GPIO_FLASH_A20, 0);
  59                 break;
  60         case 1:
  61                 gpio_set_value(P33X_GPIO_FLASH_A20, 1);
  62                 break;
  63         }
  64 }
  65
  66 void __init p33x_generic_setup(void)
  67 {
  68         /* setup data for flash0 device */
  69         gpio_request(P33X_GPIO_FLASH_A20, NULL); /* for flash A20 line */
  70         gpio_direction_output(P33X_GPIO_FLASH_A20, 0);
  71         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  72 #ifdef CONFIG_MTD_PARTITIONS
  73         adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
  74         adm5120_flash0_data.parts = p33x_partitions;
  75 #endif /* CONFIG_MTD_PARTITIONS */
  76         adm5120_add_device_flash(0);
  77
  78         adm5120_add_device_gpio(P33X_GPIO_DEV_MASK);
  79         adm5120_add_device_switch(5, p33x_vlans);
  80
  81         adm5120_pci_set_irq_map(ARRAY_SIZE(p33x_pci_irqs), p33x_pci_irqs);
  82 }