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 #include <prom/zynos.h>
  15
  16 #define P33X_GPIO_FLASH_A20     ADM5120_GPIO_PIN5
  17 #define P33X_GPIO_DEV_MASK      (1 << P33X_GPIO_FLASH_A20)
  18
  19 #ifdef CONFIG_MTD_PARTITIONS
  20 static struct mtd_partition p33x_partitions[] = {
  21         {
  22                 .name   = "bootbase",
  23                 .offset = 0,
  24                 .size   = 16*1024,
  25                 .mask_flags = MTD_WRITEABLE,
  26         } , {
  27                 .name   = "rom",
  28                 .offset = MTDPART_OFS_APPEND,
  29                 .size   = 16*1024,
  30         } , {
  31                 .name   = "bootext",
  32                 .offset = MTDPART_OFS_APPEND,
  33                 .size   = 96*1024,
  34                 .mask_flags = MTD_WRITEABLE,
  35         } , {
  36                 .name   = "trx",
  37                 .offset = MTDPART_OFS_APPEND,
  38                 .size   = MTDPART_SIZ_FULL,
  39         } , {
  40                 .name   = "firmware",
  41                 .offset = 32*1024,
  42                 .size   = MTDPART_SIZ_FULL,
  43         }
  44 };
  45 #endif /* CONFIG_MTD_PARTITIONS */
  46
  47 static struct adm5120_pci_irq p33x_pci_irqs[] __initdata = {
  48         PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
  49 };
  50
  51 static u8 p33x_vlans[6] __initdata = {
  52         /* FIXME: untested */
  53         0x50, 0x48, 0x44, 0x42, 0x41, 0x00
  54 };
  55
  56 static void switch_bank_gpio5(unsigned bank)
  57 {
  58         switch (bank) {
  59         case 0:
  60                 gpio_set_value(P33X_GPIO_FLASH_A20, 0);
  61                 break;
  62         case 1:
  63                 gpio_set_value(P33X_GPIO_FLASH_A20, 1);
  64                 break;
  65         }
  66 }
  67
  68 void __init p33x_generic_setup(void)
  69 {
  70         /* setup data for flash0 device */
  71         gpio_request(P33X_GPIO_FLASH_A20, NULL); /* for flash A20 line */
  72         gpio_direction_output(P33X_GPIO_FLASH_A20, 0);
  73         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  74 #ifdef CONFIG_MTD_PARTITIONS
  75         adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
  76         adm5120_flash0_data.parts = p33x_partitions;
  77 #endif /* CONFIG_MTD_PARTITIONS */
  78         adm5120_add_device_flash(0);
  79
  80         adm5120_add_device_gpio(P33X_GPIO_DEV_MASK);
  81
  82         adm5120_setup_eth_macs(bootbase_info.mac);
  83         adm5120_add_device_switch(5, p33x_vlans);
  84
  85         adm5120_pci_set_irq_map(ARRAY_SIZE(p33x_pci_irqs), p33x_pci_irqs);
  86 }