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 diff --git a/arch/mips/lantiq/falcon/Kconfig b/arch/mips/lantiq/falcon/Kconfig
  21 new file mode 100644
  22 index 0000000..03e999d
  23 --- /dev/null
  24 +++ b/arch/mips/lantiq/falcon/Kconfig
  25 @@ -0,0 +1,11 @@
  26 +if SOC_FALCON
  27 +
  28 +menu "MIPS Machine"
  29 +
  30 +config LANTIQ_MACH_EASY98000
  31 +       bool "Easy98000"
  32 +       default y
  33 +
  34 +endmenu
  35 +
  36 +endif
  37 diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile
  38 index de72209..56b22eb 100644
  39 --- a/arch/mips/lantiq/falcon/Makefile
  40 +++ b/arch/mips/lantiq/falcon/Makefile
  41 @@ -1 +1,2 @@
  42  obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
  43 +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
  44 diff --git a/arch/mips/lantiq/falcon/mach-easy98000.c b/arch/mips/lantiq/falcon/mach-easy98000.c
  45 new file mode 100644
  46 index 0000000..361b8f0
  47 --- /dev/null
  48 +++ b/arch/mips/lantiq/falcon/mach-easy98000.c
  49 @@ -0,0 +1,110 @@
  50 +/*
  51 + *  This program is free software; you can redistribute it and/or modify it
  52 + *  under the terms of the GNU General Public License version 2 as published
  53 + *  by the Free Software Foundation.
  54 + *
  55 + *  Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
  56 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  57 + */
  58 +
  59 +#include <linux/platform_device.h>
  60 +#include <linux/mtd/partitions.h>
  61 +#include <linux/spi/spi.h>
  62 +#include <linux/spi/spi_gpio.h>
  63 +#include <linux/spi/eeprom.h>
  64 +
  65 +#include "../machtypes.h"
  66 +
  67 +#include "devices.h"
  68 +
  69 +static struct mtd_partition easy98000_nor_partitions[] = {
  70 +       {
  71 +               .name   = "uboot",
  72 +               .offset = 0x0,
  73 +               .size   = 0x40000,
  74 +       },
  75 +       {
  76 +               .name   = "uboot_env",
  77 +               .offset = 0x40000,
  78 +               .size   = 0x40000,      /* 2 sectors for redundant env. */
  79 +       },
  80 +       {
  81 +               .name   = "linux",
  82 +               .offset = 0x80000,
  83 +               .size   = 0xF80000,     /* map only 16 MiB */
  84 +       },
  85 +};
  86 +
  87 +struct physmap_flash_data easy98000_nor_flash_data = {
  88 +       .nr_parts       = ARRAY_SIZE(easy98000_nor_partitions),
  89 +       .parts          = easy98000_nor_partitions,
  90 +};
  91 +
  92 +/* setup gpio based spi bus/device for access to the eeprom on the board */
  93 +#define SPI_GPIO_MRST          102
  94 +#define SPI_GPIO_MTSR          103
  95 +#define SPI_GPIO_CLK           104
  96 +#define SPI_GPIO_CS0           105
  97 +#define SPI_GPIO_CS1           106
  98 +#define SPI_GPIO_BUS_NUM       1
  99 +
 100 +static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
 101 +       .sck            = SPI_GPIO_CLK,
 102 +       .mosi           = SPI_GPIO_MTSR,
 103 +       .miso           = SPI_GPIO_MRST,
 104 +       .num_chipselect = 2,
 105 +};
 106 +
 107 +static struct platform_device easy98000_spi_gpio_device = {
 108 +       .name                   = "spi_gpio",
 109 +       .id                     = SPI_GPIO_BUS_NUM,
 110 +       .dev.platform_data      = &easy98000_spi_gpio_data,
 111 +};
 112 +
 113 +static struct spi_eeprom at25160n = {
 114 +       .byte_len       = 16 * 1024 / 8,
 115 +       .name           = "at25160n",
 116 +       .page_size      = 32,
 117 +       .flags          = EE_ADDR2,
 118 +};
 119 +
 120 +static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
 121 +       .modalias               = "at25",
 122 +       .bus_num                = SPI_GPIO_BUS_NUM,
 123 +       .max_speed_hz           = 1000 * 1000,
 124 +       .mode                   = SPI_MODE_3,
 125 +       .chip_select            = 1,
 126 +       .controller_data        = (void *) SPI_GPIO_CS1,
 127 +       .platform_data          = &at25160n,
 128 +};
 129 +
 130 +static void __init
 131 +easy98000_init_common(void)
 132 +{
 133 +       spi_register_board_info(&easy98000_spi_gpio_devices, 1);
 134 +       platform_device_register(&easy98000_spi_gpio_device);
 135 +}
 136 +
 137 +static void __init
 138 +easy98000_init(void)
 139 +{
 140 +       easy98000_init_common();
 141 +       ltq_register_nor(&easy98000_nor_flash_data);
 142 +}
 143 +
 144 +static void __init
 145 +easy98000nand_init(void)
 146 +{
 147 +       easy98000_init_common();
 148 +       falcon_register_nand();
 149 +}
 150 +
 151 +MIPS_MACHINE(LANTIQ_MACH_EASY98000,
 152 +                       "EASY98000",
 153 +                       "EASY98000 Eval Board",
 154 +                       easy98000_init);
 155 +
 156 +MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
 157 +                       "EASY98000NAND",
 158 +                       "EASY98000 Eval Board (NAND Flash)",
 159 +                       easy98000nand_init);
 160 diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h
 161 index 7e01b8c..dfc6af7 100644
 162 --- a/arch/mips/lantiq/machtypes.h
 163 +++ b/arch/mips/lantiq/machtypes.h
 164 @@ -15,6 +15,11 @@ enum lantiq_mach_type {
 165         LTQ_MACH_GENERIC = 0,
 166         LTQ_MACH_EASY50712,     /* Danube evaluation board */
 167         LTQ_MACH_EASY50601,     /* Amazon SE evaluation board */
 168 +
 169 +       /* FALCON */
 170 +       LANTIQ_MACH_EASY98000,          /* Falcon Eval Board, NOR Flash */
 171 +       LANTIQ_MACH_EASY98000SF,        /* Falcon Eval Board, Serial Flash */
 172 +       LANTIQ_MACH_EASY98000NAND,      /* Falcon Eval Board, NAND Flash */
 173  };
 174
 175  #endif
 176 --
 177 1.7.9.1
 178