target/linux/lantiq/patches-3.0/0008-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 diff --git a/arch/mips/lantiq/falcon/Kconfig b/arch/mips/lantiq/falcon/Kconfig
  22 new file mode 100644
  23 index 0000000..03e999d
  24 --- /dev/null
  25 +++ b/arch/mips/lantiq/falcon/Kconfig
  26 @@ -0,0 +1,11 @@
  27 +if SOC_FALCON
  28 +
  29 +menu "MIPS Machine"
  30 +
  31 +config LANTIQ_MACH_EASY98000
  32 +       bool "Easy98000"
  33 +       default y
  34 +
  35 +endmenu
  36 +
  37 +endif
  38 diff --git a/arch/mips/lantiq/falcon/Makefile b/arch/mips/lantiq/falcon/Makefile
  39 index de72209..56b22eb 100644
  40 --- a/arch/mips/lantiq/falcon/Makefile
  41 +++ b/arch/mips/lantiq/falcon/Makefile
  42 @@ -1 +1,2 @@
  43  obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
  44 +obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
  45 diff --git a/arch/mips/lantiq/falcon/mach-easy98000.c b/arch/mips/lantiq/falcon/mach-easy98000.c
  46 new file mode 100644
  47 index 0000000..361b8f0
  48 --- /dev/null
  49 +++ b/arch/mips/lantiq/falcon/mach-easy98000.c
  50 @@ -0,0 +1,110 @@
  51 +/*
  52 + *  This program is free software; you can redistribute it and/or modify it
  53 + *  under the terms of the GNU General Public License version 2 as published
  54 + *  by the Free Software Foundation.
  55 + *
  56 + *  Copyright (C) 2011 Thomas Langer <thomas.langer@lantiq.com>
  57 + *  Copyright (C) 2011 John Crispin <blogic@openwrt.org>
  58 + */
  59 +
  60 +#include <linux/platform_device.h>
  61 +#include <linux/mtd/partitions.h>
  62 +#include <linux/spi/spi.h>
  63 +#include <linux/spi/spi_gpio.h>
  64 +#include <linux/spi/eeprom.h>
  65 +
  66 +#include "../machtypes.h"
  67 +
  68 +#include "devices.h"
  69 +
  70 +static struct mtd_partition easy98000_nor_partitions[] = {
  71 +       {
  72 +               .name   = "uboot",
  73 +               .offset = 0x0,
  74 +               .size   = 0x40000,
  75 +       },
  76 +       {
  77 +               .name   = "uboot_env",
  78 +               .offset = 0x40000,
  79 +               .size   = 0x40000,      /* 2 sectors for redundant env. */
  80 +       },
  81 +       {
  82 +               .name   = "linux",
  83 +               .offset = 0x80000,
  84 +               .size   = 0xF80000,     /* map only 16 MiB */
  85 +       },
  86 +};
  87 +
  88 +struct physmap_flash_data easy98000_nor_flash_data = {
  89 +       .nr_parts       = ARRAY_SIZE(easy98000_nor_partitions),
  90 +       .parts          = easy98000_nor_partitions,
  91 +};
  92 +
  93 +/* setup gpio based spi bus/device for access to the eeprom on the board */
  94 +#define SPI_GPIO_MRST          102
  95 +#define SPI_GPIO_MTSR          103
  96 +#define SPI_GPIO_CLK           104
  97 +#define SPI_GPIO_CS0           105
  98 +#define SPI_GPIO_CS1           106
  99 +#define SPI_GPIO_BUS_NUM       1
 100 +
 101 +static struct spi_gpio_platform_data easy98000_spi_gpio_data = {
 102 +       .sck            = SPI_GPIO_CLK,
 103 +       .mosi           = SPI_GPIO_MTSR,
 104 +       .miso           = SPI_GPIO_MRST,
 105 +       .num_chipselect = 2,
 106 +};
 107 +
 108 +static struct platform_device easy98000_spi_gpio_device = {
 109 +       .name                   = "spi_gpio",
 110 +       .id                     = SPI_GPIO_BUS_NUM,
 111 +       .dev.platform_data      = &easy98000_spi_gpio_data,
 112 +};
 113 +
 114 +static struct spi_eeprom at25160n = {
 115 +       .byte_len       = 16 * 1024 / 8,
 116 +       .name           = "at25160n",
 117 +       .page_size      = 32,
 118 +       .flags          = EE_ADDR2,
 119 +};
 120 +
 121 +static struct spi_board_info easy98000_spi_gpio_devices __initdata = {
 122 +       .modalias               = "at25",
 123 +       .bus_num                = SPI_GPIO_BUS_NUM,
 124 +       .max_speed_hz           = 1000 * 1000,
 125 +       .mode                   = SPI_MODE_3,
 126 +       .chip_select            = 1,
 127 +       .controller_data        = (void *) SPI_GPIO_CS1,
 128 +       .platform_data          = &at25160n,
 129 +};
 130 +
 131 +static void __init
 132 +easy98000_init_common(void)
 133 +{
 134 +       spi_register_board_info(&easy98000_spi_gpio_devices, 1);
 135 +       platform_device_register(&easy98000_spi_gpio_device);
 136 +}
 137 +
 138 +static void __init
 139 +easy98000_init(void)
 140 +{
 141 +       easy98000_init_common();
 142 +       ltq_register_nor(&easy98000_nor_flash_data);
 143 +}
 144 +
 145 +static void __init
 146 +easy98000nand_init(void)
 147 +{
 148 +       easy98000_init_common();
 149 +       falcon_register_nand();
 150 +}
 151 +
 152 +MIPS_MACHINE(LANTIQ_MACH_EASY98000,
 153 +                       "EASY98000",
 154 +                       "EASY98000 Eval Board",
 155 +                       easy98000_init);
 156 +
 157 +MIPS_MACHINE(LANTIQ_MACH_EASY98000NAND,
 158 +                       "EASY98000NAND",
 159 +                       "EASY98000 Eval Board (NAND Flash)",
 160 +                       easy98000nand_init);
 161 diff --git a/arch/mips/lantiq/machtypes.h b/arch/mips/lantiq/machtypes.h
 162 index 7e01b8c..dfc6af7 100644
 163 --- a/arch/mips/lantiq/machtypes.h
 164 +++ b/arch/mips/lantiq/machtypes.h
 165 @@ -15,6 +15,11 @@ enum lantiq_mach_type {
 166         LTQ_MACH_GENERIC = 0,
 167         LTQ_MACH_EASY50712,     /* Danube evaluation board */
 168         LTQ_MACH_EASY50601,     /* Amazon SE evaluation board */
 169 +
 170 +       /* FALCON */
 171 +       LANTIQ_MACH_EASY98000,          /* Falcon Eval Board, NOR Flash */
 172 +       LANTIQ_MACH_EASY98000SF,        /* Falcon Eval Board, Serial Flash */
 173 +       LANTIQ_MACH_EASY98000NAND,      /* Falcon Eval Board, NAND Flash */
 174  };
 175
 176  #endif
 177 --
 178 1.7.5.4
 179