target/linux/lantiq/patches/0008-MIPS-lantiq-add-support-for-the-EASY98000-evaluation.patch

   1 From ec6ba0f79c010a878d679c057fb6306b50a201b0 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 08/24] 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 Cc: linux-mips@linux-mips.org
  12 ---
  13  arch/mips/lantiq/falcon/Kconfig          |   11 +++
  14  arch/mips/lantiq/falcon/Makefile         |    1 +
  15  arch/mips/lantiq/falcon/mach-easy98000.c |  110 ++++++++++++++++++++++++++++++
  16  arch/mips/lantiq/machtypes.h             |    5 ++
  17  4 files changed, 127 insertions(+), 0 deletions(-)
  18  create mode 100644 arch/mips/lantiq/falcon/Kconfig
  19  create mode 100644 arch/mips/lantiq/falcon/mach-easy98000.c
  20
  21 --- /dev/null
  22 +++ b/arch/mips/lantiq/falcon/Kconfig
  23 @@ -0,0 +1,11 @@
  24 +if SOC_FALCON
  25 +
  26 +menu "MIPS Machine"
  27 +
  28 +config LANTIQ_MACH_EASY98000
  29 +       bool "Easy98000"
  30 +       default y
  31 +
  32 +endmenu
  33 +
  34 +endif
  35 --- a/arch/mips/lantiq/falcon/Makefile
  36 +++ b/arch/mips/lantiq/falcon/Makefile
  37 @@ -1 +1,2 @@
  38  obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
  39 +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
  40 --- /dev/null
  41 +++ b/arch/mips/lantiq/falcon/mach-easy98000.c
  42 @@ -0,0 +1,110 @@
  43 +/*
  44 + *  This program is free software; you can redistribute it and/or modify it
  45 + *  under the terms of the GNU General Public License version 2 as published
  46 + *  by the Free Software Foundation.
  47 + *
  48 + *  Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
  49 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  50 + */
  51 +
  52 +#include <linux/platform_device.h>
  53 +#include <linux/mtd/partitions.h>
  54 +#include <linux/spi/spi.h>
  55 +#include <linux/spi/spi_gpio.h>
  56 +#include <linux/spi/eeprom.h>
  57 +
  58 +#include "../machtypes.h"
  59 +
  60 +#include "devices.h"
  61 +
  62 +static struct mtd_partition easy98000_nor_partitions[] = {
  63 +       {
  64 +               .name   = "uboot",
  65 +               .offset = 0x0,
  66 +               .size   = 0x40000,
  67 +       },
  68 +       {
  69 +               .name   = "uboot_env",
  70 +               .offset = 0x40000,
  71 +               .size   = 0x40000,      /* 2 sectors for redundant env. */
  72 +       },
  73 +       {
  74 +               .name   = "linux",
  75 +               .offset = 0x80000,
  76 +               .size   = 0xF80000,     /* map only 16 MiB */
  77 +       },
  78 +};
  79 +
  80 +struct physmap_flash_data easy98000_nor_flash_data = {
  81 +       .nr_parts       = ARRAY_SIZE(easy98000_nor_partitions),
  82 +       .parts          = easy98000_nor_partitions,
  83 +};
  84 +
  85 +/* setup gpio based spi bus/device for access to the eeprom on the board */
  86 +#define SPI_GPIO_MRST          102
  87 +#define SPI_GPIO_MTSR          103
  88 +#define SPI_GPIO_CLK           104
  89 +#define SPI_GPIO_CS0           105
  90 +#define SPI_GPIO_CS1           106
  91 +#define SPI_GPIO_BUS_NUM       1
  92 +
  93 +static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
  94 +       .sck            = SPI_GPIO_CLK,
  95 +       .mosi           = SPI_GPIO_MTSR,
  96 +       .miso           = SPI_GPIO_MRST,
  97 +       .num_chipselect = 2,
  98 +};
  99 +
 100 +static struct platform_device easy98000_spi_gpio_device = {
 101 +       .name                   = "spi_gpio",
 102 +       .id                     = SPI_GPIO_BUS_NUM,
 103 +       .dev.platform_data      = &easy98000_spi_gpio_data,
 104 +};
 105 +
 106 +static struct spi_eeprom at25160n = {
 107 +       .byte_len       = 16 * 1024 / 8,
 108 +       .name           = "at25160n",
 109 +       .page_size      = 32,
 110 +       .flags          = EE_ADDR2,
 111 +};
 112 +
 113 +static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
 114 +       .modalias               = "at25",
 115 +       .bus_num                = SPI_GPIO_BUS_NUM,
 116 +       .max_speed_hz           = 1000 * 1000,
 117 +       .mode                   = SPI_MODE_3,
 118 +       .chip_select            = 1,
 119 +       .controller_data        = (void *) SPI_GPIO_CS1,
 120 +       .platform_data          = &at25160n,
 121 +};
 122 +
 123 +static void __init
 124 +easy98000_init_common(void)
 125 +{
 126 +       spi_register_board_info(&easy98000_spi_gpio_devices, 1);
 127 +       platform_device_register(&easy98000_spi_gpio_device);
 128 +}
 129 +
 130 +static void __init
 131 +easy98000_init(void)
 132 +{
 133 +       easy98000_init_common();
 134 +       ltq_register_nor(&easy98000_nor_flash_data);
 135 +}
 136 +
 137 +static void __init
 138 +easy98000nand_init(void)
 139 +{
 140 +       easy98000_init_common();
 141 +       falcon_register_nand();
 142 +}
 143 +
 144 +MIPS_MACHINE(LANTIQ_MACH_EASY98000,
 145 +                       "EASY98000",
 146 +                       "EASY98000 Eval Board",
 147 +                       easy98000_init);
 148 +
 149 +MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
 150 +                       "EASY98000NAND",
 151 +                       "EASY98000 Eval Board (NAND Flash)",
 152 +                       easy98000nand_init);
 153 --- a/arch/mips/lantiq/machtypes.h
 154 +++ b/arch/mips/lantiq/machtypes.h
 155 @@ -15,6 +15,11 @@ enum lantiq_mach_type {
 156         LTQ_MACH_GENERIC = 0,
 157         LTQ_MACH_EASY50712,     /* Danube evaluation board */
 158         LTQ_MACH_EASY50601,     /* Amazon SE evaluation board */
 159 +
 160 +       /* FALCON */
 161 +       LANTIQ_MACH_EASY98000,          /* Falcon Eval Board, NOR Flash */
 162 +       LANTIQ_MACH_EASY98000SF,        /* Falcon Eval Board, Serial Flash */
 163 +       LANTIQ_MACH_EASY98000NAND,      /* Falcon Eval Board, NAND Flash */
 164  };
 165
 166  #endif