target/linux/ppc40x/patches/004-magicbox.patch

   1 --- /dev/null
   2 +++ b/arch/powerpc/boot/cuboot-magicbox.c
   3 @@ -0,0 +1,98 @@
   4 +/*
   5 + * Old U-boot compatibility for Magicbox boards
   6 + *
   7 + * Author: Imre Kaloz <kaloz@openwrt.org>
   8 + *         Gabor Juhos <juhosg@openwrt.org>
   9 + *
  10 + * This program is free software; you can redistribute it and/or modify it
  11 + * under the terms of the GNU General Public License version 2 as published
  12 + * by the Free Software Foundation.
  13 + */
  14 +
  15 +#include "ops.h"
  16 +#include "io.h"
  17 +#include "dcr.h"
  18 +#include "stdio.h"
  19 +#include "4xx.h"
  20 +#include "44x.h"
  21 +#include "cuboot.h"
  22 +
  23 +#define TARGET_4xx
  24 +#define TARGET_405EP
  25 +#include "ppcboot.h"
  26 +
  27 +static bd_t bd;
  28 +
  29 +static void fixup_perwe(void)
  30 +{
  31 +#define DCRN_CPC0_PCI_BASE     0xf9
  32 +
  33 +       /* Turn on PerWE instead of PCIINT */
  34 +       mtdcr(DCRN_CPC0_PCI_BASE,
  35 +             mfdcr(DCRN_CPC0_PCI_BASE) | (0x80000000L >> 27));
  36 +
  37 +#undef DCRN_CPC0_PCI_BASE
  38 +}
  39 +
  40 +static void fixup_cf_card(void)
  41 +{
  42 +#define CF_CS0_BASE    0xff100000
  43 +#define CF_CS1_BASE    0xff200000
  44 +
  45 +       /* PerCS1 (CF's CS0): base 0xff100000, 16-bit, rw */
  46 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1CR);
  47 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS0_BASE | EBC_BXCR_BS_1M |
  48 +                                EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  49 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
  50 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  51 +
  52 +       /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
  53 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
  54 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BS_1M |
  55 +                                EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  56 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
  57 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  58 +
  59 +#undef CF_CS0_BASE
  60 +#undef CF_CS1_BASE
  61 +}
  62 +
  63 +static void magicbox_fixups(void)
  64 +{
  65 +       ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
  66 +       ibm4xx_sdram_fixup_memsize();
  67 +
  68 +       /* Magicbox v1 has only one ethernet, one serial and no
  69 +        * CF slot -- detect it using it's fake enet1addr
  70 +        */
  71 +       if ((bd.bi_enet1addr[0] == 0x00) &&
  72 +           (bd.bi_enet1addr[1] == 0x00) &&
  73 +           (bd.bi_enet1addr[2] == 0x02) &&
  74 +           (bd.bi_enet1addr[3] == 0xfa) &&
  75 +           (bd.bi_enet1addr[4] == 0xf0) &&
  76 +           (bd.bi_enet1addr[5] == 0x80)) {
  77 +               void *devp;
  78 +
  79 +               devp = finddevice("/plb/opb/ethernet@ef600900");
  80 +               del_node(devp);
  81 +               devp = finddevice("/plb/opb/serial@ef600400");
  82 +               del_node(devp);
  83 +               devp = finddevice("/plb/ebc/cf_card@ff100000");
  84 +               del_node(devp);
  85 +       } else {
  86 +               fixup_perwe();
  87 +               fixup_cf_card();
  88 +       }
  89 +
  90 +       dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
  91 +}
  92 +
  93 +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  94 +               unsigned long r6, unsigned long r7)
  95 +{
  96 +       CUBOOT_INIT();
  97 +       platform_ops.fixups = magicbox_fixups;
  98 +       platform_ops.exit = ibm40x_dbcr_reset;
  99 +       fdt_init(_dtb_start);
 100 +       serial_console_init();
 101 +}
 102 --- /dev/null
 103 +++ b/arch/powerpc/boot/dts/magicbox.dts
 104 @@ -0,0 +1,285 @@
 105 +/*
 106 + * Device Tree Source for Magicbox boards
 107 + *
 108 + * Copyright 2008-2009 Imre Kaloz <kaloz@openwrt.org>
 109 + * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
 110 + *
 111 + * Based on walnut.dts
 112 + *
 113 + * This file is licensed under the terms of the GNU General Public
 114 + * License version 2.  This program is licensed "as is" without
 115 + * any warranty of any kind, whether express or implied.
 116 + */
 117 +
 118 +/dts-v1/;
 119 +
 120 +/ {
 121 +       #address-cells = <1>;
 122 +       #size-cells = <1>;
 123 +       model = "magicbox";
 124 +       compatible = "magicbox";
 125 +       dcr-parent = <&{/cpus/cpu@0}>;
 126 +
 127 +       aliases {
 128 +               ethernet0 = &EMAC0;
 129 +               ethernet1 = &EMAC1;
 130 +               serial0 = &UART0;
 131 +               serial1 = &UART1;
 132 +       };
 133 +
 134 +       cpus {
 135 +               #address-cells = <1>;
 136 +               #size-cells = <0>;
 137 +
 138 +               cpu@0 {
 139 +                       device_type = "cpu";
 140 +                       model = "PowerPC,405EP";
 141 +                       reg = <0x00000000>;
 142 +                       clock-frequency = <0>; /* Filled in by zImage */
 143 +                       timebase-frequency = <0>; /* Filled in by zImage */
 144 +                       i-cache-line-size = <0x20>;
 145 +                       d-cache-line-size = <0x20>;
 146 +                       i-cache-size = <0x4000>;
 147 +                       d-cache-size = <0x4000>;
 148 +                       dcr-controller;
 149 +                       dcr-access-method = "native";
 150 +               };
 151 +       };
 152 +
 153 +       memory {
 154 +               device_type = "memory";
 155 +               reg = <0x00000000 0x00000000>; /* Filled in by zImage */
 156 +       };
 157 +
 158 +       UIC0: interrupt-controller {
 159 +               compatible = "ibm,uic";
 160 +               interrupt-controller;
 161 +               cell-index = <0>;
 162 +               dcr-reg = <0x0c0 0x009>;
 163 +               #address-cells = <0>;
 164 +               #size-cells = <0>;
 165 +               #interrupt-cells = <2>;
 166 +       };
 167 +
 168 +       plb {
 169 +               compatible = "ibm,plb3";
 170 +               #address-cells = <1>;
 171 +               #size-cells = <1>;
 172 +               ranges;
 173 +               clock-frequency = <0>; /* Filled in by zImage */
 174 +
 175 +               SDRAM0: memory-controller {
 176 +                       compatible = "ibm,sdram-405ep";
 177 +                       dcr-reg = <0x010 0x002>;
 178 +               };
 179 +
 180 +               MAL: mcmal {
 181 +                       compatible = "ibm,mcmal-405ep", "ibm,mcmal";
 182 +                       dcr-reg = <0x180 0x062>;
 183 +                       num-tx-chans = <4>;
 184 +                       num-rx-chans = <2>;
 185 +                       interrupt-parent = <&UIC0>;
 186 +                       interrupts = <
 187 +                               0xb 0x4 /* TXEOB */
 188 +                               0xc 0x4 /* RXEOB */
 189 +                               0xa 0x4 /* SERR */
 190 +                               0xd 0x4 /* TXDE */
 191 +                               0xe 0x4 /* RXDE */>;
 192 +               };
 193 +
 194 +               POB0: opb {
 195 +                       compatible = "ibm,opb-405ep", "ibm,opb";
 196 +                       #address-cells = <1>;
 197 +                       #size-cells = <1>;
 198 +                       ranges = <0xef600000 0xef600000 0x00a00000>;
 199 +                       dcr-reg = <0x0a0 0x005>;
 200 +                       clock-frequency = <0>; /* Filled in by zImage */
 201 +
 202 +                       UART0: serial@ef600300 {
 203 +                               device_type = "serial";
 204 +                               compatible = "ns16550";
 205 +                               reg = <0xef600300 0x00000008>;
 206 +                               virtual-reg = <0xef600300>;
 207 +                               clock-frequency = <0>; /* Filled in by zImage */
 208 +                               current-speed = <115200>;
 209 +                               interrupt-parent = <&UIC0>;
 210 +                               interrupts = <0x0 0x4>;
 211 +                       };
 212 +
 213 +                       UART1: serial@ef600400 {
 214 +                               device_type = "serial";
 215 +                               compatible = "ns16550";
 216 +                               reg = <0xef600400 0x00000008>;
 217 +                               virtual-reg = <0xef600400>;
 218 +                               clock-frequency = <0>; /* Filled in by zImage */
 219 +                               current-speed = <115200>;
 220 +                               interrupt-parent = <&UIC0>;
 221 +                               interrupts = <0x1 0x4>;
 222 +                       };
 223 +
 224 +                       IIC: i2c@ef600500 {
 225 +                               compatible = "ibm,iic-405ep", "ibm,iic";
 226 +                               #address-cells = <1>;
 227 +                               #size-cells = <0>;
 228 +                               reg = <0xef600500 0x00000011>;
 229 +                               interrupt-parent = <&UIC0>;
 230 +                               interrupts = <0x2 0x4>;
 231 +
 232 +                               dtt@48 {
 233 +                                       compatible = "national,lm75";
 234 +                                       reg = <0x48>;
 235 +                               };
 236 +
 237 +                               eeprom@50 {
 238 +                                       compatible = "at24,24c16";
 239 +                                       reg = <0x50>;
 240 +                               };
 241 +                       };
 242 +
 243 +                       GPIO0: gpio-controller@ef600700 {
 244 +                               compatible = "ibm,ppc4xx-gpio";
 245 +                               reg = <0xef600700 0x00000020>;
 246 +                               #gpio-cells = <2>;
 247 +                               gpio-controller;
 248 +                       };
 249 +
 250 +                       EMAC0: ethernet@ef600800 {
 251 +                               linux,network-index = <0x0>;
 252 +                               device_type = "network";
 253 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 254 +                               interrupt-parent = <&UIC0>;
 255 +                               interrupts = <
 256 +                                       0xf 0x4 /* Ethernet */
 257 +                                       0x9 0x4 /* Ethernet Wake Up */>;
 258 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 259 +                               reg = <0xef600800 0x00000070>;
 260 +                               mal-device = <&MAL>;
 261 +                               mal-tx-channel = <0>;
 262 +                               mal-rx-channel = <0>;
 263 +                               cell-index = <0>;
 264 +                               max-frame-size = <0x5dc>;
 265 +                               rx-fifo-size = <0x1000>;
 266 +                               tx-fifo-size = <0x800>;
 267 +                               phy-mode = "mii";
 268 +                               phy-map = <0x00000000>;
 269 +                       };
 270 +
 271 +                       EMAC1: ethernet@ef600900 {
 272 +                               linux,network-index = <0x1>;
 273 +                               device_type = "network";
 274 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 275 +                               interrupt-parent = <&UIC0>;
 276 +                               interrupts = <
 277 +                                       0x11 0x4 /* Ethernet */
 278 +                                       0x09 0x4 /* Ethernet Wake Up */>;
 279 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 280 +                               reg = <0xef600900 0x00000070>;
 281 +                               mal-device = <&MAL>;
 282 +                               mal-tx-channel = <2>;
 283 +                               mal-rx-channel = <1>;
 284 +                               cell-index = <1>;
 285 +                               max-frame-size = <0x5dc>;
 286 +                               rx-fifo-size = <0x1000>;
 287 +                               tx-fifo-size = <0x800>;
 288 +                               mdio-device = <&EMAC0>;
 289 +                               phy-mode = "mii";
 290 +                               phy-map = <0x00000001>;
 291 +                       };
 292 +
 293 +                       leds {
 294 +                               compatible = "gpio-leds";
 295 +                               user {
 296 +                                       label = "magicbox:red:user";
 297 +                                       gpios = <&GPIO0 2 1>;
 298 +                               };
 299 +                       };
 300 +               };
 301 +
 302 +               EBC0: ebc {
 303 +                       compatible = "ibm,ebc-405ep", "ibm,ebc";
 304 +                       dcr-reg = <0x012 0x002>;
 305 +                       #address-cells = <2>;
 306 +                       #size-cells = <1>;
 307 +                       /* The ranges property is supplied by the bootwrapper
 308 +                        * and is based on the firmware's configuration of the
 309 +                        * EBC bridge
 310 +                        */
 311 +                       clock-frequency = <0>; /* Filled in by zImage */
 312 +
 313 +                       cf_card@ff100000 {
 314 +                               compatible = "magicbox-cf", "pata-magicbox-cf";
 315 +                               reg = <0x00000000 0xff100000 0x00001000
 316 +                                      0x00000000 0xff200000 0x00001000>;
 317 +                               interrupt-parent = <&UIC0>;
 318 +                               interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
 319 +                       };
 320 +
 321 +                       nor_flash@ffc00000 {
 322 +                               compatible = "cfi-flash";
 323 +                               bank-width = <2>;
 324 +                               reg = <0x00000000 0xffc00000 0x00400000>;
 325 +                               #address-cells = <1>;
 326 +                               #size-cells = <1>;
 327 +                               partition0@0 {
 328 +                                       label = "linux";
 329 +                                       reg = <0x0 0x140000>;
 330 +                               };
 331 +                               partition1@120000 {
 332 +                                       label = "rootfs";
 333 +                                       reg = <0x140000 0x280000>;
 334 +                               };
 335 +                               partition2@3c0000 {
 336 +                                       label = "u-boot";
 337 +                                       reg = <0x3c0000 0x30000>;
 338 +                                       read-only;
 339 +                               };
 340 +                               partition3@0 {
 341 +                                       label = "firmware";
 342 +                                       reg = <0x0 0x3c0000>;
 343 +                               };
 344 +                       };
 345 +               };
 346 +
 347 +               PCI0: pci@ec000000 {
 348 +                       device_type = "pci";
 349 +                       #interrupt-cells = <1>;
 350 +                       #size-cells = <2>;
 351 +                       #address-cells = <3>;
 352 +                       compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
 353 +                       primary;
 354 +                       reg = <0xeec00000 0x00000008    /* Config space access */
 355 +                              0xeed80000 0x00000004    /* IACK */
 356 +                              0xeed80000 0x00000004    /* Special cycle */
 357 +                              0xef480000 0x00000040>;  /* Internal registers */
 358 +
 359 +                       /* Outbound ranges, one memory and one IO,
 360 +                        * later cannot be changed. Chip supports a second
 361 +                        * IO range but we don't use it for now
 362 +                        */
 363 +                       ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
 364 +                                 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 365 +
 366 +                       /* Inbound 2GB range starting at 0 */
 367 +                       dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
 368 +
 369 +                       interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
 370 +                       interrupt-map = <
 371 +                               /* IDSEL 1 */
 372 +                               0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
 373 +
 374 +                               /* IDSEL 2 */
 375 +                               0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
 376 +
 377 +                               /* IDSEL 3 */
 378 +                               0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
 379 +
 380 +                               /* IDSEL 4 */
 381 +                               0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
 382 +                       >;
 383 +               };
 384 +       };
 385 +
 386 +       chosen {
 387 +               linux,stdout-path = "/plb/opb/serial@ef600300";
 388 +       };
 389 +};
 390 --- a/arch/powerpc/boot/Makefile
 391 +++ b/arch/powerpc/boot/Makefile
 392 @@ -43,6 +43,7 @@ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -
 393  $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
 394  $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
 395  $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 396 +$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
 397  $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 398  $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 399
 400 @@ -76,7 +77,8 @@ src-plat := of.c cuboot-52xx.c cuboot-82
 401                 cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
 402                 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
 403                 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
 404 -               cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c
 405 +               cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
 406 +               cuboot-magicbox.c
 407  src-boot := $(src-wlib) $(src-plat) empty.c
 408
 409  src-boot := $(addprefix $(obj)/, $(src-boot))
 410 @@ -194,6 +196,7 @@ image-$(CONFIG_EP405)                       += dtbImage.ep40
 411  image-$(CONFIG_HOTFOOT)                        += cuImage.hotfoot
 412  image-$(CONFIG_WALNUT)                 += treeImage.walnut
 413  image-$(CONFIG_ACADIA)                 += cuImage.acadia
 414 +image-$(CONFIG_MAGICBOX)               += cuImage.magicbox
 415
 416  # Board ports in arch/powerpc/platform/44x/Kconfig
 417  image-$(CONFIG_EBONY)                  += treeImage.ebony cuImage.ebony
 418 --- a/arch/powerpc/platforms/40x/Kconfig
 419 +++ b/arch/powerpc/platforms/40x/Kconfig
 420 @@ -60,6 +60,16 @@ config KILAUEA
 421         help
 422           This option enables support for the AMCC PPC405EX evaluation board.
 423
 424 +config MAGICBOX
 425 +       bool "Magicbox"
 426 +       depends on 40x
 427 +       default n
 428 +       select PPC40x_SIMPLE
 429 +       select 405EP
 430 +       select PCI
 431 +       help
 432 +         This option enables support for the Magicbox boards.
 433 +
 434  config MAKALU
 435         bool "Makalu"
 436         depends on 40x
 437 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c
 438 +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
 439 @@ -55,7 +55,8 @@ static char *board[] __initdata = {
 440         "amcc,haleakala",
 441         "amcc,kilauea",
 442         "amcc,makalu",
 443 -       "est,hotfoot"
 444 +       "est,hotfoot",
 445 +       "magicbox"
 446  };
 447
 448  static int __init ppc40x_probe(void)