target/linux/ppc40x/patches-2.6.30/007-openrb-light.patch

   1 --- a/arch/powerpc/boot/Makefile
   2 +++ b/arch/powerpc/boot/Makefile
   3 @@ -76,7 +76,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
   4                 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
   5                 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
   6                 cuboot-acadia.c cuboot-amigaone.c cuboot-magicboxv1.c \
   7 -               cuboot-magicboxv2.c
   8 +               cuboot-magicboxv2.c cuboot-openrb-light.c
   9  src-boot := $(src-wlib) $(src-plat) empty.c
  10
  11  src-boot := $(addprefix $(obj)/, $(src-boot))
  12 @@ -195,6 +195,7 @@ image-$(CONFIG_WALNUT)                      += treeImage.wa
  13  image-$(CONFIG_ACADIA)                 += cuImage.acadia
  14  image-$(CONFIG_MAGICBOXV1)             += cuImage.magicboxv1
  15  image-$(CONFIG_MAGICBOXV2)             += cuImage.magicboxv2
  16 +image-$(CONFIG_OPENRB_LIGHT)           += cuImage.openrb-light
  17
  18  # Board ports in arch/powerpc/platform/44x/Kconfig
  19  image-$(CONFIG_EBONY)                  += treeImage.ebony cuImage.ebony
  20 --- a/arch/powerpc/platforms/40x/Kconfig
  21 +++ b/arch/powerpc/platforms/40x/Kconfig
  22 @@ -79,6 +79,16 @@ config MAKALU
  23         help
  24           This option enables support for the AMCC PPC405EX board.
  25
  26 +config OPENRB_LIGHT
  27 +       bool "OpenRB Light"
  28 +       depends on 40x
  29 +       default n
  30 +       select PPC40x_SIMPLE
  31 +       select 405EP
  32 +       select PCI
  33 +       help
  34 +         This option enables support for the OpenRB Light board.
  35 +
  36  #config REDWOOD_5
  37  #      bool "Redwood-5"
  38  #      depends on 40x
  39 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c
  40 +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
  41 @@ -54,6 +54,7 @@ static char *board[] __initdata = {
  42         "amcc,acadia",
  43         "magicboxv1",
  44         "magicboxv2",
  45 +       "openrb,light",
  46  };
  47
  48  static int __init ppc40x_probe(void)
  49 --- /dev/null
  50 +++ b/arch/powerpc/boot/cuboot-openrb-light.c
  51 @@ -0,0 +1,69 @@
  52 +/*
  53 + * Old U-boot compatibility for OpenRB Light board
  54 + *
  55 + * Author: Gabor Juhos <juhosg@openwrt.org>
  56 + *
  57 + * This program is free software; you can redistribute it and/or modify it
  58 + * under the terms of the GNU General Public License version 2 as published
  59 + * by the Free Software Foundation.
  60 + */
  61 +
  62 +#include "ops.h"
  63 +#include "io.h"
  64 +#include "dcr.h"
  65 +#include "stdio.h"
  66 +#include "4xx.h"
  67 +#include "44x.h"
  68 +#include "cuboot.h"
  69 +
  70 +#define TARGET_4xx
  71 +#define TARGET_405EP
  72 +#include "ppcboot.h"
  73 +
  74 +static bd_t bd;
  75 +
  76 +static void fixup_cf_card(void)
  77 +{
  78 +#define DCRN_CPC0_PCI_BASE     0xf9
  79 +#define CF_CS0_BASE            0xff100000
  80 +#define CF_CS1_BASE            0xff200000
  81 +
  82 +       /* Turn on PerWE instead of PCIsomething */
  83 +       mtdcr(DCRN_CPC0_PCI_BASE,
  84 +             mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
  85 +
  86 +       /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
  87 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
  88 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  89 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
  90 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  91 +
  92 +       /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
  93 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
  94 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  95 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
  96 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  97 +
  98 +#undef DCRN_CPC0_PCI_BASE
  99 +#undef CF_CS0_BASE
 100 +#undef CF_CS1_BASE
 101 +}
 102 +
 103 +static void openrb_light_fixups(void)
 104 +{
 105 +       fixup_cf_card();
 106 +       ibm405ep_fixup_clocks(33333000);
 107 +       ibm4xx_sdram_fixup_memsize();
 108 +       dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
 109 +}
 110 +
 111 +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 112 +               unsigned long r6, unsigned long r7)
 113 +{
 114 +       CUBOOT_INIT();
 115 +       platform_ops.fixups = openrb_light_fixups;
 116 +       platform_ops.exit = ibm40x_dbcr_reset;
 117 +       fdt_init(_dtb_start);
 118 +       serial_console_init();
 119 +}
 120 +
 121 --- /dev/null
 122 +++ b/arch/powerpc/boot/dts/openrb-light.dts
 123 @@ -0,0 +1,252 @@
 124 +/*
 125 + * Device Tree Source for OpenRB Light board
 126 + *
 127 + * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
 128 + *
 129 + * Based on magicboxv2.dts
 130 + *
 131 + * This file is licensed under the terms of the GNU General Public
 132 + * License version 2.  This program is licensed "as is" without
 133 + * any warranty of any kind, whether express or implied.
 134 + */
 135 +
 136 +/dts-v1/;
 137 +
 138 +/ {
 139 +       #address-cells = <1>;
 140 +       #size-cells = <1>;
 141 +       model = "openrb,light";
 142 +       compatible = "openrb,light";
 143 +       dcr-parent = <&{/cpus/cpu@0}>;
 144 +
 145 +       aliases {
 146 +               ethernet0 = &EMAC0;
 147 +               serial0 = &UART0;
 148 +               serial1 = &UART1;
 149 +       };
 150 +
 151 +       cpus {
 152 +               #address-cells = <1>;
 153 +               #size-cells = <0>;
 154 +
 155 +               cpu@0 {
 156 +                       device_type = "cpu";
 157 +                       model = "PowerPC,405EP";
 158 +                       reg = <0x00000000>;
 159 +                       clock-frequency = <0xbebc200>; /* Filled in by zImage */
 160 +                       timebase-frequency = <0>; /* Filled in by zImage */
 161 +                       i-cache-line-size = <20>;
 162 +                       d-cache-line-size = <20>;
 163 +                       i-cache-size = <4000>;
 164 +                       d-cache-size = <4000>;
 165 +                       dcr-controller;
 166 +                       dcr-access-method = "native";
 167 +               };
 168 +       };
 169 +
 170 +       memory {
 171 +               device_type = "memory";
 172 +               reg = <0x00000000 0x00000000>; /* Filled in by zImage */
 173 +       };
 174 +
 175 +       UIC0: interrupt-controller {
 176 +               compatible = "ibm,uic";
 177 +               interrupt-controller;
 178 +               cell-index = <0>;
 179 +               dcr-reg = <0x0c0 0x009>;
 180 +               #address-cells = <0>;
 181 +               #size-cells = <0>;
 182 +               #interrupt-cells = <2>;
 183 +       };
 184 +
 185 +       plb {
 186 +               compatible = "ibm,plb3";
 187 +               #address-cells = <1>;
 188 +               #size-cells = <1>;
 189 +               ranges;
 190 +               clock-frequency = <0>; /* Filled in by zImage */
 191 +
 192 +               SDRAM0: memory-controller {
 193 +                       compatible = "ibm,sdram-405ep";
 194 +                       dcr-reg = <0x010 0x002>;
 195 +               };
 196 +
 197 +               MAL: mcmal {
 198 +                       compatible = "ibm,mcmal-405ep", "ibm,mcmal";
 199 +                       dcr-reg = <0x180 0x062>;
 200 +                       num-tx-chans = <4>;
 201 +                       num-rx-chans = <2>;
 202 +                       interrupt-parent = <&UIC0>;
 203 +                       interrupts = <
 204 +                               0xb 0x4 /* TXEOB */
 205 +                               0xc 0x4 /* RXEOB */
 206 +                               0xa 0x4 /* SERR */
 207 +                               0xd 0x4 /* TXDE */
 208 +                               0xe 0x4 /* RXDE */>;
 209 +               };
 210 +
 211 +               OPB0: opb {
 212 +                       compatible = "ibm,opb-405ep", "ibm,opb";
 213 +                       #address-cells = <1>;
 214 +                       #size-cells = <1>;
 215 +                       ranges = <0xef600000 0xef600000 0x00a00000>;
 216 +                       dcr-reg = <0x0a0 0x005>;
 217 +                       clock-frequency = <0>; /* Filled in by zImage */
 218 +
 219 +                       UART0: serial@ef600300 {
 220 +                               device_type = "serial";
 221 +                               compatible = "ns16550";
 222 +                               reg = <0xef600300 0x00000008>;
 223 +                               virtual-reg = <0xef600300>;
 224 +                               clock-frequency = <0>; /* Filled in by zImage */
 225 +                               current-speed = <115200>;
 226 +                               interrupt-parent = <&UIC0>;
 227 +                               interrupts = <0x0 0x4>;
 228 +                       };
 229 +
 230 +                       UART1: serial@ef600400 {
 231 +                               device_type = "serial";
 232 +                               compatible = "ns16550";
 233 +                               reg = <0xef600400 0x00000008>;
 234 +                               virtual-reg = <0xef600400>;
 235 +                               clock-frequency = <0>; /* Filled in by zImage */
 236 +                               current-speed = <115200>;
 237 +                               interrupt-parent = <&UIC0>;
 238 +                               interrupts = <0x1 0x4>;
 239 +                       };
 240 +
 241 +                       IIC: i2c@ef600500 {
 242 +                               #address-cells = <1>;
 243 +                               #size-cells = <0>;
 244 +                               compatible = "ibm,iic-405ep", "ibm,iic";
 245 +                               reg = <0xef600500 0x00000011>;
 246 +                               interrupt-parent = <&UIC0>;
 247 +                               interrupts = <0x2 0x4>;
 248 +
 249 +                               eeprom@50 {
 250 +                                       compatible = "at24,24c16";
 251 +                                       reg = <0x50>;
 252 +                               };
 253 +                       };
 254 +
 255 +                       GPIO0: gpio-controller@ef600700 {
 256 +                               compatible = "ibm,ppc4xx-gpio";
 257 +                               reg = <0xef600700 0x00000020>;
 258 +                               #gpio-cells = <2>;
 259 +                               gpio-controller;
 260 +                       };
 261 +
 262 +                       EMAC0: ethernet@ef600800 {
 263 +                               linux,network-index = <0x0>;
 264 +                               device_type = "network";
 265 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 266 +                               interrupt-parent = <&UIC0>;
 267 +                               interrupts = <
 268 +                                       0xf 0x4 /* Ethernet */
 269 +                                       0x9 0x4 /* Ethernet Wake Up */>;
 270 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 271 +                               reg = <0xef600800 0x00000070>;
 272 +                               mal-device = <&MAL>;
 273 +                               mal-tx-channel = <0>;
 274 +                               mal-rx-channel = <0>;
 275 +                               cell-index = <0>;
 276 +                               max-frame-size = <0x5dc>;
 277 +                               rx-fifo-size = <0x1000>;
 278 +                               tx-fifo-size = <0x800>;
 279 +                               phy-mode = "mii";
 280 +                               phy-map = <0x00000000>;
 281 +                       };
 282 +
 283 +                       leds {
 284 +                               compatible = "gpio-leds";
 285 +                               user {
 286 +                                       label = "openrb:green:user";
 287 +                                       gpios = <&GPIO0 2 1>;
 288 +                               };
 289 +                       };
 290 +               };
 291 +
 292 +               EBC0: ebc {
 293 +                       compatible = "ibm,ebc-405ep", "ibm,ebc";
 294 +                       dcr-reg = <0x012 0x002>;
 295 +                       #address-cells = <2>;
 296 +                       #size-cells = <1>;
 297 +                       /* The ranges property is supplied by the bootwrapper
 298 +                        * and is based on the firmware's configuration of the
 299 +                        * EBC bridge
 300 +                        */
 301 +                       clock-frequency = <0>; /* Filled in by zImage */
 302 +
 303 +                       cf_card@ff100000 {
 304 +                               compatible = "magicbox-cf", "pata-magicbox-cf";
 305 +                               reg = <0x00000000 0xff100000 0x00001000
 306 +                                      0x00000000 0xff200000 0x00001000>;
 307 +                               interrupt-parent = <&UIC0>;
 308 +                               interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
 309 +                       };
 310 +
 311 +                       nor_flash@ff800000 {
 312 +                               compatible = "cfi-flash";
 313 +                               bank-width = <2>;
 314 +                               reg = <0x00000000 0xff800000 0x00800000>;
 315 +                               #address-cells = <1>;
 316 +                               #size-cells = <1>;
 317 +                               partition@0 {
 318 +                                       label = "linux";
 319 +                                       reg = <0x0 0x120000>;
 320 +                               };
 321 +                               partition@120000 {
 322 +                                       label = "rootfs";
 323 +                                       reg = <0x120000 0x6a0000>;
 324 +                               };
 325 +                               partition@7c0000 {
 326 +                                       label = "u-boot";
 327 +                                       reg = <0x7c0000 0x30000>;
 328 +                                       read-only;
 329 +                               };
 330 +                       };
 331 +               };
 332 +
 333 +               PCI0: pci@ec000000 {
 334 +                       device_type = "pci";
 335 +                       #interrupt-cells = <1>;
 336 +                       #size-cells = <2>;
 337 +                       #address-cells = <3>;
 338 +                       compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
 339 +                       primary;
 340 +                       reg = <0xeec00000 0x00000008    /* Config space access */
 341 +                              0xeed80000 0x00000004    /* IACK */
 342 +                              0xeed80000 0x00000004    /* Special cycle */
 343 +                              0xef480000 0x00000040>;  /* Internal registers */
 344 +
 345 +                       /* Outbound ranges, one memory and one IO,
 346 +                        * later cannot be changed. Chip supports a second
 347 +                        * IO range but we don't use it for now
 348 +                        */
 349 +                       ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
 350 +                                 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 351 +
 352 +                       /* Inbound 2GB range starting at 0 */
 353 +                       dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
 354 +
 355 +                       interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
 356 +                       interrupt-map = <
 357 +                               /* IDSEL 1 */
 358 +                               0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
 359 +
 360 +                               /* IDSEL 2 */
 361 +                               0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
 362 +
 363 +                               /* IDSEL 3 */
 364 +                               0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
 365 +
 366 +                               /* IDSEL 4 */
 367 +                               0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
 368 +                       >;
 369 +               };
 370 +       };
 371 +
 372 +       chosen {
 373 +               linux,stdout-path = "/plb/opb/serial@ef600300";
 374 +       };
 375 +};