target/linux/lantiq/patches-2.6.39/0005-MIPS-Lantiq-Add-platform-device-support.patch

   1 From 09e57348261c1ae0ff89c68679126fc76a28b2a2 Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Wed, 30 Mar 2011 09:27:53 +0200
   4 Subject: [PATCH 05/13] MIPS: Lantiq: Add platform device support
   5
   6 This patch adds the wrappers for registering our platform devices.
   7
   8 Signed-off-by: John Crispin <blogic@openwrt.org>
   9 Signed-off-by: Ralph Hempel <ralph.hempel@lantiq.com>
  10 Cc: linux-mips@linux-mips.org
  11 Patchwork: https://patchwork.linux-mips.org/patch/2254/
  12 Patchwork: https://patchwork.linux-mips.org/patch/2360/
  13 Patchwork: https://patchwork.linux-mips.org/patch/2359/
  14 Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
  15 ---
  16  arch/mips/lantiq/Makefile       |    2 +-
  17  arch/mips/lantiq/devices.c      |  122 +++++++++++++++++++++++++++++++++++++++
  18  arch/mips/lantiq/devices.h      |   23 +++++++
  19  arch/mips/lantiq/xway/Makefile  |    2 +-
  20  arch/mips/lantiq/xway/devices.c |   98 +++++++++++++++++++++++++++++++
  21  arch/mips/lantiq/xway/devices.h |   18 ++++++
  22  6 files changed, 263 insertions(+), 2 deletions(-)
  23  create mode 100644 arch/mips/lantiq/devices.c
  24  create mode 100644 arch/mips/lantiq/devices.h
  25  create mode 100644 arch/mips/lantiq/xway/devices.c
  26  create mode 100644 arch/mips/lantiq/xway/devices.h
  27
  28 --- a/arch/mips/lantiq/Makefile
  29 +++ b/arch/mips/lantiq/Makefile
  30 @@ -4,7 +4,7 @@
  31  # under the terms of the GNU General Public License version 2 as published
  32  # by the Free Software Foundation.
  33
  34 -obj-y := irq.o setup.o clk.o prom.o
  35 +obj-y := irq.o setup.o clk.o prom.o devices.o
  36
  37  obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
  38
  39 --- /dev/null
  40 +++ b/arch/mips/lantiq/devices.c
  41 @@ -0,0 +1,122 @@
  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) 2010 John Crispin <blogic@openwrt.org>
  48 + */
  49 +
  50 +#include <linux/init.h>
  51 +#include <linux/module.h>
  52 +#include <linux/types.h>
  53 +#include <linux/string.h>
  54 +#include <linux/kernel.h>
  55 +#include <linux/reboot.h>
  56 +#include <linux/platform_device.h>
  57 +#include <linux/leds.h>
  58 +#include <linux/etherdevice.h>
  59 +#include <linux/reboot.h>
  60 +#include <linux/time.h>
  61 +#include <linux/io.h>
  62 +#include <linux/gpio.h>
  63 +#include <linux/leds.h>
  64 +
  65 +#include <asm/bootinfo.h>
  66 +#include <asm/irq.h>
  67 +
  68 +#include <lantiq_soc.h>
  69 +
  70 +#include "devices.h"
  71 +
  72 +/* nor flash */
  73 +static struct resource ltq_nor_resource = {
  74 +       .name   = "nor",
  75 +       .start  = LTQ_FLASH_START,
  76 +       .end    = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
  77 +       .flags  = IORESOURCE_MEM,
  78 +};
  79 +
  80 +static struct platform_device ltq_nor = {
  81 +       .name           = "ltq_nor",
  82 +       .resource       = &ltq_nor_resource,
  83 +       .num_resources  = 1,
  84 +};
  85 +
  86 +void __init ltq_register_nor(struct physmap_flash_data *data)
  87 +{
  88 +       ltq_nor.dev.platform_data = data;
  89 +       platform_device_register(&ltq_nor);
  90 +}
  91 +
  92 +/* watchdog */
  93 +static struct resource ltq_wdt_resource = {
  94 +       .name   = "watchdog",
  95 +       .start  = LTQ_WDT_BASE_ADDR,
  96 +       .end    = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
  97 +       .flags  = IORESOURCE_MEM,
  98 +};
  99 +
 100 +void __init ltq_register_wdt(void)
 101 +{
 102 +       platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
 103 +}
 104 +
 105 +/* asc ports */
 106 +static struct resource ltq_asc0_resources[] = {
 107 +       {
 108 +               .name   = "asc0",
 109 +               .start  = LTQ_ASC0_BASE_ADDR,
 110 +               .end    = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
 111 +               .flags  = IORESOURCE_MEM,
 112 +       },
 113 +       IRQ_RES(tx, LTQ_ASC_TIR(0)),
 114 +       IRQ_RES(rx, LTQ_ASC_RIR(0)),
 115 +       IRQ_RES(err, LTQ_ASC_EIR(0)),
 116 +};
 117 +
 118 +static struct resource ltq_asc1_resources[] = {
 119 +       {
 120 +               .name   = "asc1",
 121 +               .start  = LTQ_ASC1_BASE_ADDR,
 122 +               .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
 123 +               .flags  = IORESOURCE_MEM,
 124 +       },
 125 +       IRQ_RES(tx, LTQ_ASC_TIR(1)),
 126 +       IRQ_RES(rx, LTQ_ASC_RIR(1)),
 127 +       IRQ_RES(err, LTQ_ASC_EIR(1)),
 128 +};
 129 +
 130 +void __init ltq_register_asc(int port)
 131 +{
 132 +       switch (port) {
 133 +       case 0:
 134 +               platform_device_register_simple("ltq_asc", 0,
 135 +                       ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
 136 +               break;
 137 +       case 1:
 138 +               platform_device_register_simple("ltq_asc", 1,
 139 +                       ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
 140 +               break;
 141 +       default:
 142 +               break;
 143 +       }
 144 +}
 145 +
 146 +#ifdef CONFIG_PCI
 147 +/* pci */
 148 +static struct platform_device ltq_pci = {
 149 +       .name           = "ltq_pci",
 150 +       .num_resources  = 0,
 151 +};
 152 +
 153 +void __init ltq_register_pci(struct ltq_pci_data *data)
 154 +{
 155 +       ltq_pci.dev.platform_data = data;
 156 +       platform_device_register(&ltq_pci);
 157 +}
 158 +#else
 159 +void __init ltq_register_pci(struct ltq_pci_data *data)
 160 +{
 161 +       pr_err("kernel is compiled without PCI support\n");
 162 +}
 163 +#endif
 164 --- /dev/null
 165 +++ b/arch/mips/lantiq/devices.h
 166 @@ -0,0 +1,23 @@
 167 +/*
 168 + *  This program is free software; you can redistribute it and/or modify it
 169 + *  under the terms of the GNU General Public License version 2 as published
 170 + *  by the Free Software Foundation.
 171 + *
 172 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 173 + */
 174 +
 175 +#ifndef _LTQ_DEVICES_H__
 176 +#define _LTQ_DEVICES_H__
 177 +
 178 +#include <lantiq_platform.h>
 179 +#include <linux/mtd/physmap.h>
 180 +
 181 +#define IRQ_RES(resname, irq) \
 182 +       {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
 183 +
 184 +extern void ltq_register_nor(struct physmap_flash_data *data);
 185 +extern void ltq_register_wdt(void);
 186 +extern void ltq_register_asc(int port);
 187 +extern void ltq_register_pci(struct ltq_pci_data *data);
 188 +
 189 +#endif
 190 --- a/arch/mips/lantiq/xway/Makefile
 191 +++ b/arch/mips/lantiq/xway/Makefile
 192 @@ -1,4 +1,4 @@
 193 -obj-y := pmu.o ebu.o reset.o gpio.o
 194 +obj-y := pmu.o ebu.o reset.o gpio.o devices.o
 195
 196  obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
 197  obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
 198 --- /dev/null
 199 +++ b/arch/mips/lantiq/xway/devices.c
 200 @@ -0,0 +1,98 @@
 201 +/*
 202 + *  This program is free software; you can redistribute it and/or modify it
 203 + *  under the terms of the GNU General Public License version 2 as published
 204 + *  by the Free Software Foundation.
 205 + *
 206 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 207 + */
 208 +
 209 +#include <linux/init.h>
 210 +#include <linux/module.h>
 211 +#include <linux/types.h>
 212 +#include <linux/string.h>
 213 +#include <linux/mtd/physmap.h>
 214 +#include <linux/kernel.h>
 215 +#include <linux/reboot.h>
 216 +#include <linux/platform_device.h>
 217 +#include <linux/leds.h>
 218 +#include <linux/etherdevice.h>
 219 +#include <linux/reboot.h>
 220 +#include <linux/time.h>
 221 +#include <linux/io.h>
 222 +#include <linux/gpio.h>
 223 +#include <linux/leds.h>
 224 +
 225 +#include <asm/bootinfo.h>
 226 +#include <asm/irq.h>
 227 +
 228 +#include <lantiq_soc.h>
 229 +#include <lantiq_irq.h>
 230 +#include <lantiq_platform.h>
 231 +
 232 +#include "devices.h"
 233 +
 234 +/* gpio */
 235 +static struct resource ltq_gpio_resource[] = {
 236 +       {
 237 +               .name   = "gpio0",
 238 +               .start  = LTQ_GPIO0_BASE_ADDR,
 239 +               .end    = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 240 +               .flags  = IORESOURCE_MEM,
 241 +       }, {
 242 +               .name   = "gpio1",
 243 +               .start  = LTQ_GPIO1_BASE_ADDR,
 244 +               .end    = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 245 +               .flags  = IORESOURCE_MEM,
 246 +       }, {
 247 +               .name   = "gpio2",
 248 +               .start  = LTQ_GPIO2_BASE_ADDR,
 249 +               .end    = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 250 +               .flags  = IORESOURCE_MEM,
 251 +       }
 252 +};
 253 +
 254 +void __init ltq_register_gpio(void)
 255 +{
 256 +       platform_device_register_simple("ltq_gpio", 0,
 257 +               &ltq_gpio_resource[0], 1);
 258 +       platform_device_register_simple("ltq_gpio", 1,
 259 +               &ltq_gpio_resource[1], 1);
 260 +
 261 +       /* AR9 and VR9 have an extra gpio block */
 262 +       if (ltq_is_ar9() || ltq_is_vr9()) {
 263 +               platform_device_register_simple("ltq_gpio", 2,
 264 +                       &ltq_gpio_resource[2], 1);
 265 +       }
 266 +}
 267 +
 268 +/* serial to parallel conversion */
 269 +static struct resource ltq_stp_resource = {
 270 +       .name   = "stp",
 271 +       .start  = LTQ_STP_BASE_ADDR,
 272 +       .end    = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
 273 +       .flags  = IORESOURCE_MEM,
 274 +};
 275 +
 276 +void __init ltq_register_gpio_stp(void)
 277 +{
 278 +       platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
 279 +}
 280 +
 281 +/* asc ports - amazon se has its own serial mapping */
 282 +static struct resource ltq_ase_asc_resources[] = {
 283 +       {
 284 +               .name   = "asc0",
 285 +               .start  = LTQ_ASC1_BASE_ADDR,
 286 +               .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
 287 +               .flags  = IORESOURCE_MEM,
 288 +       },
 289 +       IRQ_RES(tx, LTQ_ASC_ASE_TIR),
 290 +       IRQ_RES(rx, LTQ_ASC_ASE_RIR),
 291 +       IRQ_RES(err, LTQ_ASC_ASE_EIR),
 292 +};
 293 +
 294 +void __init ltq_register_ase_asc(void)
 295 +{
 296 +       platform_device_register_simple("ltq_asc", 0,
 297 +               ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
 298 +}
 299 --- /dev/null
 300 +++ b/arch/mips/lantiq/xway/devices.h
 301 @@ -0,0 +1,18 @@
 302 +/*
 303 + *  This program is free software; you can redistribute it and/or modify it
 304 + *  under the terms of the GNU General Public License version 2 as published
 305 + *  by the Free Software Foundation.
 306 + *
 307 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 308 + */
 309 +
 310 +#ifndef _LTQ_DEVICES_XWAY_H__
 311 +#define _LTQ_DEVICES_XWAY_H__
 312 +
 313 +#include "../devices.h"
 314 +
 315 +extern void ltq_register_gpio(void);
 316 +extern void ltq_register_gpio_stp(void);
 317 +extern void ltq_register_ase_asc(void);
 318 +
 319 +#endif