target/linux/lantiq/patches-3.2/0010-MIPS-lantiq-add-support-for-the-EASY98000-evaluation.patch

   1 From ce27aac6ea9503ae4be0f65423424d92a714d9da Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Thu, 11 Aug 2011 14:09:35 +0200
   4 Subject: [PATCH 10/73] MIPS: lantiq: add support for the EASY98000 evaluation
   5  board
   6
   7 This patch adds the machine code for the EASY9800 evaluation board.
   8
   9 Signed-off-by: Thomas Langer <thomas.langer@lantiq.com>
  10 Signed-off-by: John Crispin <blogic@openwrt.org>
  11 ---
  12  arch/mips/lantiq/falcon/Kconfig          |   11 +++
  13  arch/mips/lantiq/falcon/Makefile         |    1 +
  14  arch/mips/lantiq/falcon/mach-easy98000.c |  110 ++++++++++++++++++++++++++++++
  15  arch/mips/lantiq/machtypes.h             |    5 ++
  16  4 files changed, 127 insertions(+), 0 deletions(-)
  17  create mode 100644 arch/mips/lantiq/falcon/Kconfig
  18  create mode 100644 arch/mips/lantiq/falcon/mach-easy98000.c
  19
  20 --- /dev/null
  21 +++ b/arch/mips/lantiq/falcon/Kconfig
  22 @@ -0,0 +1,11 @@
  23 +if SOC_FALCON
  24 +
  25 +menu "MIPS Machine"
  26 +
  27 +config LANTIQ_MACH_EASY98000
  28 +       bool "Easy98000"
  29 +       default y
  30 +
  31 +endmenu
  32 +
  33 +endif
  34 --- a/arch/mips/lantiq/falcon/Makefile
  35 +++ b/arch/mips/lantiq/falcon/Makefile
  36 @@ -1 +1,2 @@
  37  obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
  38 +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
  39 --- /dev/null
  40 +++ b/arch/mips/lantiq/falcon/mach-easy98000.c
  41 @@ -0,0 +1,110 @@
  42 +/*
  43 + *  This program is free software; you can redistribute it and/or modify it
  44 + *  under the terms of the GNU General Public License version 2 as published
  45 + *  by the Free Software Foundation.
  46 + *
  47 + *  Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
  48 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  49 + */
  50 +
  51 +#include <linux/platform_device.h>
  52 +#include <linux/mtd/partitions.h>
  53 +#include <linux/spi/spi.h>
  54 +#include <linux/spi/spi_gpio.h>
  55 +#include <linux/spi/eeprom.h>
  56 +
  57 +#include "../machtypes.h"
  58 +
  59 +#include "devices.h"
  60 +
  61 +static struct mtd_partition easy98000_nor_partitions[] = {
  62 +       {
  63 +               .name   = "uboot",
  64 +               .offset = 0x0,
  65 +               .size   = 0x40000,
  66 +       },
  67 +       {
  68 +               .name   = "uboot_env",
  69 +               .offset = 0x40000,
  70 +               .size   = 0x40000,      /* 2 sectors for redundant env. */
  71 +       },
  72 +       {
  73 +               .name   = "linux",
  74 +               .offset = 0x80000,
  75 +               .size   = 0xF80000,     /* map only 16 MiB */
  76 +       },
  77 +};
  78 +
  79 +struct physmap_flash_data easy98000_nor_flash_data = {
  80 +       .nr_parts       = ARRAY_SIZE(easy98000_nor_partitions),
  81 +       .parts          = easy98000_nor_partitions,
  82 +};
  83 +
  84 +/* setup gpio based spi bus/device for access to the eeprom on the board */
  85 +#define SPI_GPIO_MRST          102
  86 +#define SPI_GPIO_MTSR          103
  87 +#define SPI_GPIO_CLK           104
  88 +#define SPI_GPIO_CS0           105
  89 +#define SPI_GPIO_CS1           106
  90 +#define SPI_GPIO_BUS_NUM       1
  91 +
  92 +static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
  93 +       .sck            = SPI_GPIO_CLK,
  94 +       .mosi           = SPI_GPIO_MTSR,
  95 +       .miso           = SPI_GPIO_MRST,
  96 +       .num_chipselect = 2,
  97 +};
  98 +
  99 +static struct platform_device easy98000_spi_gpio_device = {
 100 +       .name                   = "spi_gpio",
 101 +       .id                     = SPI_GPIO_BUS_NUM,
 102 +       .dev.platform_data      = &easy98000_spi_gpio_data,
 103 +};
 104 +
 105 +static struct spi_eeprom at25160n = {
 106 +       .byte_len       = 16 * 1024 / 8,
 107 +       .name           = "at25160n",
 108 +       .page_size      = 32,
 109 +       .flags          = EE_ADDR2,
 110 +};
 111 +
 112 +static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
 113 +       .modalias               = "at25",
 114 +       .bus_num                = SPI_GPIO_BUS_NUM,
 115 +       .max_speed_hz           = 1000 * 1000,
 116 +       .mode                   = SPI_MODE_3,
 117 +       .chip_select            = 1,
 118 +       .controller_data        = (void *) SPI_GPIO_CS1,
 119 +       .platform_data          = &at25160n,
 120 +};
 121 +
 122 +static void __init
 123 +easy98000_init_common(void)
 124 +{
 125 +       spi_register_board_info(&easy98000_spi_gpio_devices, 1);
 126 +       platform_device_register(&easy98000_spi_gpio_device);
 127 +}
 128 +
 129 +static void __init
 130 +easy98000_init(void)
 131 +{
 132 +       easy98000_init_common();
 133 +       ltq_register_nor(&easy98000_nor_flash_data);
 134 +}
 135 +
 136 +static void __init
 137 +easy98000nand_init(void)
 138 +{
 139 +       easy98000_init_common();
 140 +       falcon_register_nand();
 141 +}
 142 +
 143 +MIPS_MACHINE(LANTIQ_MACH_EASY98000,
 144 +                       "EASY98000",
 145 +                       "EASY98000 Eval Board",
 146 +                       easy98000_init);
 147 +
 148 +MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
 149 +                       "EASY98000NAND",
 150 +                       "EASY98000 Eval Board (NAND Flash)",
 151 +                       easy98000nand_init);
 152 --- a/arch/mips/lantiq/machtypes.h
 153 +++ b/arch/mips/lantiq/machtypes.h
 154 @@ -15,6 +15,11 @@ enum lantiq_mach_type {
 155         LTQ_MACH_GENERIC = 0,
 156         LTQ_MACH_EASY50712,     /* Danube evaluation board */
 157         LTQ_MACH_EASY50601,     /* Amazon SE evaluation board */
 158 +
 159 +       /* FALCON */
 160 +       LANTIQ_MACH_EASY98000,          /* Falcon Eval Board, NOR Flash */
 161 +       LANTIQ_MACH_EASY98000SF,        /* Falcon Eval Board, Serial Flash */
 162 +       LANTIQ_MACH_EASY98000NAND,      /* Falcon Eval Board, NAND Flash */
 163  };
 164
 165  #endif