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 diff --git a/arch/mips/lantiq/Makefile b/arch/mips/lantiq/Makefile
  29 index a268391..e5dae0e 100644
  30 --- a/arch/mips/lantiq/Makefile
  31 +++ b/arch/mips/lantiq/Makefile
  32 @@ -4,7 +4,7 @@
  33  # under the terms of the GNU General Public License version 2 as published
  34  # by the Free Software Foundation.
  35
  36 -obj-y := irq.o setup.o clk.o prom.o
  37 +obj-y := irq.o setup.o clk.o prom.o devices.o
  38
  39  obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
  40
  41 diff --git a/arch/mips/lantiq/devices.c b/arch/mips/lantiq/devices.c
  42 new file mode 100644
  43 index 0000000..7b82c34
  44 --- /dev/null
  45 +++ b/arch/mips/lantiq/devices.c
  46 @@ -0,0 +1,122 @@
  47 +/*
  48 + *  This program is free software; you can redistribute it and/or modify it
  49 + *  under the terms of the GNU General Public License version 2 as published
  50 + *  by the Free Software Foundation.
  51 + *
  52 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
  53 + */
  54 +
  55 +#include <linux/init.h>
  56 +#include <linux/module.h>
  57 +#include <linux/types.h>
  58 +#include <linux/string.h>
  59 +#include <linux/kernel.h>
  60 +#include <linux/reboot.h>
  61 +#include <linux/platform_device.h>
  62 +#include <linux/leds.h>
  63 +#include <linux/etherdevice.h>
  64 +#include <linux/reboot.h>
  65 +#include <linux/time.h>
  66 +#include <linux/io.h>
  67 +#include <linux/gpio.h>
  68 +#include <linux/leds.h>
  69 +
  70 +#include <asm/bootinfo.h>
  71 +#include <asm/irq.h>
  72 +
  73 +#include <lantiq_soc.h>
  74 +
  75 +#include "devices.h"
  76 +
  77 +/* nor flash */
  78 +static struct resource ltq_nor_resource = {
  79 +       .name   = "nor",
  80 +       .start  = LTQ_FLASH_START,
  81 +       .end    = LTQ_FLASH_START + LTQ_FLASH_MAX - 1,
  82 +       .flags  = IORESOURCE_MEM,
  83 +};
  84 +
  85 +static struct platform_device ltq_nor = {
  86 +       .name           = "ltq_nor",
  87 +       .resource       = &ltq_nor_resource,
  88 +       .num_resources  = 1,
  89 +};
  90 +
  91 +void __init ltq_register_nor(struct physmap_flash_data *data)
  92 +{
  93 +       ltq_nor.dev.platform_data = data;
  94 +       platform_device_register(&ltq_nor);
  95 +}
  96 +
  97 +/* watchdog */
  98 +static struct resource ltq_wdt_resource = {
  99 +       .name   = "watchdog",
 100 +       .start  = LTQ_WDT_BASE_ADDR,
 101 +       .end    = LTQ_WDT_BASE_ADDR + LTQ_WDT_SIZE - 1,
 102 +       .flags  = IORESOURCE_MEM,
 103 +};
 104 +
 105 +void __init ltq_register_wdt(void)
 106 +{
 107 +       platform_device_register_simple("ltq_wdt", 0, &ltq_wdt_resource, 1);
 108 +}
 109 +
 110 +/* asc ports */
 111 +static struct resource ltq_asc0_resources[] = {
 112 +       {
 113 +               .name   = "asc0",
 114 +               .start  = LTQ_ASC0_BASE_ADDR,
 115 +               .end    = LTQ_ASC0_BASE_ADDR + LTQ_ASC_SIZE - 1,
 116 +               .flags  = IORESOURCE_MEM,
 117 +       },
 118 +       IRQ_RES(tx, LTQ_ASC_TIR(0)),
 119 +       IRQ_RES(rx, LTQ_ASC_RIR(0)),
 120 +       IRQ_RES(err, LTQ_ASC_EIR(0)),
 121 +};
 122 +
 123 +static struct resource ltq_asc1_resources[] = {
 124 +       {
 125 +               .name   = "asc1",
 126 +               .start  = LTQ_ASC1_BASE_ADDR,
 127 +               .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
 128 +               .flags  = IORESOURCE_MEM,
 129 +       },
 130 +       IRQ_RES(tx, LTQ_ASC_TIR(1)),
 131 +       IRQ_RES(rx, LTQ_ASC_RIR(1)),
 132 +       IRQ_RES(err, LTQ_ASC_EIR(1)),
 133 +};
 134 +
 135 +void __init ltq_register_asc(int port)
 136 +{
 137 +       switch (port) {
 138 +       case 0:
 139 +               platform_device_register_simple("ltq_asc", 0,
 140 +                       ltq_asc0_resources, ARRAY_SIZE(ltq_asc0_resources));
 141 +               break;
 142 +       case 1:
 143 +               platform_device_register_simple("ltq_asc", 1,
 144 +                       ltq_asc1_resources, ARRAY_SIZE(ltq_asc1_resources));
 145 +               break;
 146 +       default:
 147 +               break;
 148 +       }
 149 +}
 150 +
 151 +#ifdef CONFIG_PCI
 152 +/* pci */
 153 +static struct platform_device ltq_pci = {
 154 +       .name           = "ltq_pci",
 155 +       .num_resources  = 0,
 156 +};
 157 +
 158 +void __init ltq_register_pci(struct ltq_pci_data *data)
 159 +{
 160 +       ltq_pci.dev.platform_data = data;
 161 +       platform_device_register(&ltq_pci);
 162 +}
 163 +#else
 164 +void __init ltq_register_pci(struct ltq_pci_data *data)
 165 +{
 166 +       pr_err("kernel is compiled without PCI support\n");
 167 +}
 168 +#endif
 169 diff --git a/arch/mips/lantiq/devices.h b/arch/mips/lantiq/devices.h
 170 new file mode 100644
 171 index 0000000..2947bb1
 172 --- /dev/null
 173 +++ b/arch/mips/lantiq/devices.h
 174 @@ -0,0 +1,23 @@
 175 +/*
 176 + *  This program is free software; you can redistribute it and/or modify it
 177 + *  under the terms of the GNU General Public License version 2 as published
 178 + *  by the Free Software Foundation.
 179 + *
 180 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 181 + */
 182 +
 183 +#ifndef _LTQ_DEVICES_H__
 184 +#define _LTQ_DEVICES_H__
 185 +
 186 +#include <lantiq_platform.h>
 187 +#include <linux/mtd/physmap.h>
 188 +
 189 +#define IRQ_RES(resname, irq) \
 190 +       {.name = #resname, .start = (irq), .flags = IORESOURCE_IRQ}
 191 +
 192 +extern void ltq_register_nor(struct physmap_flash_data *data);
 193 +extern void ltq_register_wdt(void);
 194 +extern void ltq_register_asc(int port);
 195 +extern void ltq_register_pci(struct ltq_pci_data *data);
 196 +
 197 +#endif
 198 diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile
 199 index 9c85ff9..74ce438 100644
 200 --- a/arch/mips/lantiq/xway/Makefile
 201 +++ b/arch/mips/lantiq/xway/Makefile
 202 @@ -1,4 +1,4 @@
 203 -obj-y := pmu.o ebu.o reset.o gpio.o
 204 +obj-y := pmu.o ebu.o reset.o gpio.o devices.o
 205
 206  obj-$(CONFIG_SOC_XWAY) += clk-xway.o prom-xway.o
 207  obj-$(CONFIG_SOC_AMAZON_SE) += clk-ase.o prom-ase.o
 208 diff --git a/arch/mips/lantiq/xway/devices.c b/arch/mips/lantiq/xway/devices.c
 209 new file mode 100644
 210 index 0000000..a71b3b5
 211 --- /dev/null
 212 +++ b/arch/mips/lantiq/xway/devices.c
 213 @@ -0,0 +1,98 @@
 214 +/*
 215 + *  This program is free software; you can redistribute it and/or modify it
 216 + *  under the terms of the GNU General Public License version 2 as published
 217 + *  by the Free Software Foundation.
 218 + *
 219 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 220 + */
 221 +
 222 +#include <linux/init.h>
 223 +#include <linux/module.h>
 224 +#include <linux/types.h>
 225 +#include <linux/string.h>
 226 +#include <linux/mtd/physmap.h>
 227 +#include <linux/kernel.h>
 228 +#include <linux/reboot.h>
 229 +#include <linux/platform_device.h>
 230 +#include <linux/leds.h>
 231 +#include <linux/etherdevice.h>
 232 +#include <linux/reboot.h>
 233 +#include <linux/time.h>
 234 +#include <linux/io.h>
 235 +#include <linux/gpio.h>
 236 +#include <linux/leds.h>
 237 +
 238 +#include <asm/bootinfo.h>
 239 +#include <asm/irq.h>
 240 +
 241 +#include <lantiq_soc.h>
 242 +#include <lantiq_irq.h>
 243 +#include <lantiq_platform.h>
 244 +
 245 +#include "devices.h"
 246 +
 247 +/* gpio */
 248 +static struct resource ltq_gpio_resource[] = {
 249 +       {
 250 +               .name   = "gpio0",
 251 +               .start  = LTQ_GPIO0_BASE_ADDR,
 252 +               .end    = LTQ_GPIO0_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 253 +               .flags  = IORESOURCE_MEM,
 254 +       }, {
 255 +               .name   = "gpio1",
 256 +               .start  = LTQ_GPIO1_BASE_ADDR,
 257 +               .end    = LTQ_GPIO1_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 258 +               .flags  = IORESOURCE_MEM,
 259 +       }, {
 260 +               .name   = "gpio2",
 261 +               .start  = LTQ_GPIO2_BASE_ADDR,
 262 +               .end    = LTQ_GPIO2_BASE_ADDR + LTQ_GPIO_SIZE - 1,
 263 +               .flags  = IORESOURCE_MEM,
 264 +       }
 265 +};
 266 +
 267 +void __init ltq_register_gpio(void)
 268 +{
 269 +       platform_device_register_simple("ltq_gpio", 0,
 270 +               &ltq_gpio_resource[0], 1);
 271 +       platform_device_register_simple("ltq_gpio", 1,
 272 +               &ltq_gpio_resource[1], 1);
 273 +
 274 +       /* AR9 and VR9 have an extra gpio block */
 275 +       if (ltq_is_ar9() || ltq_is_vr9()) {
 276 +               platform_device_register_simple("ltq_gpio", 2,
 277 +                       &ltq_gpio_resource[2], 1);
 278 +       }
 279 +}
 280 +
 281 +/* serial to parallel conversion */
 282 +static struct resource ltq_stp_resource = {
 283 +       .name   = "stp",
 284 +       .start  = LTQ_STP_BASE_ADDR,
 285 +       .end    = LTQ_STP_BASE_ADDR + LTQ_STP_SIZE - 1,
 286 +       .flags  = IORESOURCE_MEM,
 287 +};
 288 +
 289 +void __init ltq_register_gpio_stp(void)
 290 +{
 291 +       platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
 292 +}
 293 +
 294 +/* asc ports - amazon se has its own serial mapping */
 295 +static struct resource ltq_ase_asc_resources[] = {
 296 +       {
 297 +               .name   = "asc0",
 298 +               .start  = LTQ_ASC1_BASE_ADDR,
 299 +               .end    = LTQ_ASC1_BASE_ADDR + LTQ_ASC_SIZE - 1,
 300 +               .flags  = IORESOURCE_MEM,
 301 +       },
 302 +       IRQ_RES(tx, LTQ_ASC_ASE_TIR),
 303 +       IRQ_RES(rx, LTQ_ASC_ASE_RIR),
 304 +       IRQ_RES(err, LTQ_ASC_ASE_EIR),
 305 +};
 306 +
 307 +void __init ltq_register_ase_asc(void)
 308 +{
 309 +       platform_device_register_simple("ltq_asc", 0,
 310 +               ltq_ase_asc_resources, ARRAY_SIZE(ltq_ase_asc_resources));
 311 +}
 312 diff --git a/arch/mips/lantiq/xway/devices.h b/arch/mips/lantiq/xway/devices.h
 313 new file mode 100644
 314 index 0000000..51f56b5
 315 --- /dev/null
 316 +++ b/arch/mips/lantiq/xway/devices.h
 317 @@ -0,0 +1,18 @@
 318 +/*
 319 + *  This program is free software; you can redistribute it and/or modify it
 320 + *  under the terms of the GNU General Public License version 2 as published
 321 + *  by the Free Software Foundation.
 322 + *
 323 + *  Copyright (C) 2010 John Crispin <blogic@openwrt.org>
 324 + */
 325 +
 326 +#ifndef _LTQ_DEVICES_XWAY_H__
 327 +#define _LTQ_DEVICES_XWAY_H__
 328 +
 329 +#include "../devices.h"
 330 +
 331 +extern void ltq_register_gpio(void);
 332 +extern void ltq_register_gpio_stp(void);
 333 +extern void ltq_register_ase_asc(void);
 334 +
 335 +#endif
 336 --
 337 1.7.2.3
 338