target/linux/adm5120/files/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 static struct mtd_partition p33x_partitions[] = {
  20         {
  21                 .name   = "bootbase",
  22                 .offset = 0,
  23                 .size   = 16*1024,
  24                 .mask_flags = MTD_WRITEABLE,
  25         } , {
  26                 .name   = "rom",
  27                 .offset = MTDPART_OFS_APPEND,
  28                 .size   = 16*1024,
  29                 .mask_flags = MTD_WRITEABLE,
  30         } , {
  31                 .name   = "bootext1",
  32                 .offset = MTDPART_OFS_APPEND,
  33                 .size   = 32*1024,
  34         } , {
  35                 .name   = "bootext2",
  36                 .offset = MTDPART_OFS_APPEND,
  37                 .size   = 64*1024,
  38         } , {
  39                 .name   = "trx",
  40                 .offset = MTDPART_OFS_APPEND,
  41                 .size   = MTDPART_SIZ_FULL,
  42         } , {
  43                 .name   = "firmware",
  44                 .offset = 32*1024,
  45                 .size   = MTDPART_SIZ_FULL,
  46         }
  47 };
  48
  49 static struct adm5120_pci_irq p33x_pci_irqs[] __initdata = {
  50         PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
  51 };
  52
  53 static u8 p33x_vlans[6] __initdata = {
  54         /* FIXME: untested */
  55         0x50, 0x48, 0x44, 0x42, 0x41, 0x00
  56 };
  57
  58 static void switch_bank_gpio5(unsigned bank)
  59 {
  60         switch (bank) {
  61         case 0:
  62                 gpio_set_value(P33X_GPIO_FLASH_A20, 0);
  63                 break;
  64         case 1:
  65                 gpio_set_value(P33X_GPIO_FLASH_A20, 1);
  66                 break;
  67         }
  68 }
  69
  70 void __init p33x_generic_setup(void)
  71 {
  72         /* setup data for flash0 device */
  73         gpio_request(P33X_GPIO_FLASH_A20, NULL); /* for flash A20 line */
  74         gpio_direction_output(P33X_GPIO_FLASH_A20, 0);
  75         adm5120_flash0_data.switch_bank = switch_bank_gpio5;
  76         adm5120_flash0_data.nr_parts = ARRAY_SIZE(p33x_partitions);
  77         adm5120_flash0_data.parts = p33x_partitions;
  78         adm5120_add_device_flash(0);
  79
  80         adm5120_add_device_uart(0);
  81         adm5120_add_device_uart(1);
  82
  83         adm5120_add_device_gpio(P33X_GPIO_DEV_MASK);
  84
  85         adm5120_setup_eth_macs(bootbase_info.mac);
  86         adm5120_add_device_switch(6, p33x_vlans);
  87
  88         adm5120_pci_set_irq_map(ARRAY_SIZE(p33x_pci_irqs), p33x_pci_irqs);
  89 }