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

   1 --- /dev/null
   2 +++ b/arch/powerpc/boot/cuboot-magicbox.c
   3 @@ -0,0 +1,96 @@
   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_BU_RW | EBC_BXCR_BW_16);
  48 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B1AP);
  49 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  50 +
  51 +       /* PerCS2 (CF's CS1): base 0xff200000, 16-bit, rw */
  52 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2CR);
  53 +       mtdcr(DCRN_EBC0_CFGDATA, CF_CS1_BASE | EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  54 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B2AP);
  55 +       mtdcr(DCRN_EBC0_CFGDATA, 0x080bd800);
  56 +
  57 +#undef CF_CS0_BASE
  58 +#undef CF_CS1_BASE
  59 +}
  60 +
  61 +static void magicbox_fixups(void)
  62 +{
  63 +       ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
  64 +       ibm4xx_sdram_fixup_memsize();
  65 +
  66 +       /* Magicbox v1 has only one ethernet, one serial and no
  67 +        * CF slot -- detect it using it's fake enet1addr
  68 +        */
  69 +       if ((bd.bi_enet1addr[0] == 0x00) &&
  70 +           (bd.bi_enet1addr[1] == 0x00) &&
  71 +           (bd.bi_enet1addr[2] == 0x02) &&
  72 +           (bd.bi_enet1addr[3] == 0xfa) &&
  73 +           (bd.bi_enet1addr[4] == 0xf0) &&
  74 +           (bd.bi_enet1addr[5] == 0x80)) {
  75 +               void *devp;
  76 +
  77 +               devp = finddevice("/plb/opb/ethernet@ef600900");
  78 +               del_node(devp);
  79 +               devp = finddevice("/plb/opb/serial@ef600400");
  80 +               del_node(devp);
  81 +               devp = finddevice("/plb/ebc/cf_card@ff100000");
  82 +               del_node(devp);
  83 +       } else {
  84 +               fixup_perwe();
  85 +               fixup_cf_card();
  86 +       }
  87 +
  88 +       dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
  89 +}
  90 +
  91 +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  92 +               unsigned long r6, unsigned long r7)
  93 +{
  94 +       CUBOOT_INIT();
  95 +       platform_ops.fixups = magicbox_fixups;
  96 +       platform_ops.exit = ibm40x_dbcr_reset;
  97 +       fdt_init(_dtb_start);
  98 +       serial_console_init();
  99 +}
 100 --- /dev/null
 101 +++ b/arch/powerpc/boot/dts/magicbox.dts
 102 @@ -0,0 +1,285 @@
 103 +/*
 104 + * Device Tree Source for Magicbox boards
 105 + *
 106 + * Copyright 2008-2009 Imre Kaloz <kaloz@openwrt.org>
 107 + * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
 108 + *
 109 + * Based on walnut.dts
 110 + *
 111 + * This file is licensed under the terms of the GNU General Public
 112 + * License version 2.  This program is licensed "as is" without
 113 + * any warranty of any kind, whether express or implied.
 114 + */
 115 +
 116 +/dts-v1/;
 117 +
 118 +/ {
 119 +       #address-cells = <1>;
 120 +       #size-cells = <1>;
 121 +       model = "magicbox";
 122 +       compatible = "magicbox";
 123 +       dcr-parent = <&{/cpus/cpu@0}>;
 124 +
 125 +       aliases {
 126 +               ethernet0 = &EMAC0;
 127 +               ethernet1 = &EMAC1;
 128 +               serial0 = &UART0;
 129 +               serial1 = &UART1;
 130 +       };
 131 +
 132 +       cpus {
 133 +               #address-cells = <1>;
 134 +               #size-cells = <0>;
 135 +
 136 +               cpu@0 {
 137 +                       device_type = "cpu";
 138 +                       model = "PowerPC,405EP";
 139 +                       reg = <0x00000000>;
 140 +                       clock-frequency = <0>; /* Filled in by zImage */
 141 +                       timebase-frequency = <0>; /* Filled in by zImage */
 142 +                       i-cache-line-size = <0x20>;
 143 +                       d-cache-line-size = <0x20>;
 144 +                       i-cache-size = <0x4000>;
 145 +                       d-cache-size = <0x4000>;
 146 +                       dcr-controller;
 147 +                       dcr-access-method = "native";
 148 +               };
 149 +       };
 150 +
 151 +       memory {
 152 +               device_type = "memory";
 153 +               reg = <0x00000000 0x00000000>; /* Filled in by zImage */
 154 +       };
 155 +
 156 +       UIC0: interrupt-controller {
 157 +               compatible = "ibm,uic";
 158 +               interrupt-controller;
 159 +               cell-index = <0>;
 160 +               dcr-reg = <0x0c0 0x009>;
 161 +               #address-cells = <0>;
 162 +               #size-cells = <0>;
 163 +               #interrupt-cells = <2>;
 164 +       };
 165 +
 166 +       plb {
 167 +               compatible = "ibm,plb3";
 168 +               #address-cells = <1>;
 169 +               #size-cells = <1>;
 170 +               ranges;
 171 +               clock-frequency = <0>; /* Filled in by zImage */
 172 +
 173 +               SDRAM0: memory-controller {
 174 +                       compatible = "ibm,sdram-405ep";
 175 +                       dcr-reg = <0x010 0x002>;
 176 +               };
 177 +
 178 +               MAL: mcmal {
 179 +                       compatible = "ibm,mcmal-405ep", "ibm,mcmal";
 180 +                       dcr-reg = <0x180 0x062>;
 181 +                       num-tx-chans = <4>;
 182 +                       num-rx-chans = <2>;
 183 +                       interrupt-parent = <&UIC0>;
 184 +                       interrupts = <
 185 +                               0xb 0x4 /* TXEOB */
 186 +                               0xc 0x4 /* RXEOB */
 187 +                               0xa 0x4 /* SERR */
 188 +                               0xd 0x4 /* TXDE */
 189 +                               0xe 0x4 /* RXDE */>;
 190 +               };
 191 +
 192 +               POB0: opb {
 193 +                       compatible = "ibm,opb-405ep", "ibm,opb";
 194 +                       #address-cells = <1>;
 195 +                       #size-cells = <1>;
 196 +                       ranges = <0xef600000 0xef600000 0x00a00000>;
 197 +                       dcr-reg = <0x0a0 0x005>;
 198 +                       clock-frequency = <0>; /* Filled in by zImage */
 199 +
 200 +                       UART0: serial@ef600300 {
 201 +                               device_type = "serial";
 202 +                               compatible = "ns16550";
 203 +                               reg = <0xef600300 0x00000008>;
 204 +                               virtual-reg = <0xef600300>;
 205 +                               clock-frequency = <0>; /* Filled in by zImage */
 206 +                               current-speed = <115200>;
 207 +                               interrupt-parent = <&UIC0>;
 208 +                               interrupts = <0x0 0x4>;
 209 +                       };
 210 +
 211 +                       UART1: serial@ef600400 {
 212 +                               device_type = "serial";
 213 +                               compatible = "ns16550";
 214 +                               reg = <0xef600400 0x00000008>;
 215 +                               virtual-reg = <0xef600400>;
 216 +                               clock-frequency = <0>; /* Filled in by zImage */
 217 +                               current-speed = <115200>;
 218 +                               interrupt-parent = <&UIC0>;
 219 +                               interrupts = <0x1 0x4>;
 220 +                       };
 221 +
 222 +                       IIC: i2c@ef600500 {
 223 +                               compatible = "ibm,iic-405ep", "ibm,iic";
 224 +                               #address-cells = <1>;
 225 +                               #size-cells = <0>;
 226 +                               reg = <0xef600500 0x00000011>;
 227 +                               interrupt-parent = <&UIC0>;
 228 +                               interrupts = <0x2 0x4>;
 229 +
 230 +                               dtt@48 {
 231 +                                       compatible = "national,lm75";
 232 +                                       reg = <0x48>;
 233 +                               };
 234 +
 235 +                               eeprom@50 {
 236 +                                       compatible = "at24,24c16";
 237 +                                       reg = <0x50>;
 238 +                               };
 239 +                       };
 240 +
 241 +                       GPIO0: gpio-controller@ef600700 {
 242 +                               compatible = "ibm,ppc4xx-gpio";
 243 +                               reg = <0xef600700 0x00000020>;
 244 +                               #gpio-cells = <2>;
 245 +                               gpio-controller;
 246 +                       };
 247 +
 248 +                       EMAC0: ethernet@ef600800 {
 249 +                               linux,network-index = <0x0>;
 250 +                               device_type = "network";
 251 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 252 +                               interrupt-parent = <&UIC0>;
 253 +                               interrupts = <
 254 +                                       0xf 0x4 /* Ethernet */
 255 +                                       0x9 0x4 /* Ethernet Wake Up */>;
 256 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 257 +                               reg = <0xef600800 0x00000070>;
 258 +                               mal-device = <&MAL>;
 259 +                               mal-tx-channel = <0>;
 260 +                               mal-rx-channel = <0>;
 261 +                               cell-index = <0>;
 262 +                               max-frame-size = <0x5dc>;
 263 +                               rx-fifo-size = <0x1000>;
 264 +                               tx-fifo-size = <0x800>;
 265 +                               phy-mode = "mii";
 266 +                               phy-map = <0x00000000>;
 267 +                       };
 268 +
 269 +                       EMAC1: ethernet@ef600900 {
 270 +                               linux,network-index = <0x1>;
 271 +                               device_type = "network";
 272 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 273 +                               interrupt-parent = <&UIC0>;
 274 +                               interrupts = <
 275 +                                       0x11 0x4 /* Ethernet */
 276 +                                       0x09 0x4 /* Ethernet Wake Up */>;
 277 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 278 +                               reg = <0xef600900 0x00000070>;
 279 +                               mal-device = <&MAL>;
 280 +                               mal-tx-channel = <2>;
 281 +                               mal-rx-channel = <1>;
 282 +                               cell-index = <1>;
 283 +                               max-frame-size = <0x5dc>;
 284 +                               rx-fifo-size = <0x1000>;
 285 +                               tx-fifo-size = <0x800>;
 286 +                               mdio-device = <&EMAC0>;
 287 +                               phy-mode = "mii";
 288 +                               phy-map = <0x00000001>;
 289 +                       };
 290 +
 291 +                       leds {
 292 +                               compatible = "gpio-leds";
 293 +                               user {
 294 +                                       label = "magicbox:red:user";
 295 +                                       gpios = <&GPIO0 2 1>;
 296 +                               };
 297 +                       };
 298 +               };
 299 +
 300 +               EBC0: ebc {
 301 +                       compatible = "ibm,ebc-405ep", "ibm,ebc";
 302 +                       dcr-reg = <0x012 0x002>;
 303 +                       #address-cells = <2>;
 304 +                       #size-cells = <1>;
 305 +                       /* The ranges property is supplied by the bootwrapper
 306 +                        * and is based on the firmware's configuration of the
 307 +                        * EBC bridge
 308 +                        */
 309 +                       clock-frequency = <0>; /* Filled in by zImage */
 310 +
 311 +                       cf_card@ff100000 {
 312 +                               compatible = "magicbox-cf", "pata-magicbox-cf";
 313 +                               reg = <0x00000000 0xff100000 0x00001000
 314 +                                      0x00000000 0xff200000 0x00001000>;
 315 +                               interrupt-parent = <&UIC0>;
 316 +                               interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
 317 +                       };
 318 +
 319 +                       nor_flash@ffc00000 {
 320 +                               compatible = "cfi-flash";
 321 +                               bank-width = <2>;
 322 +                               reg = <0x00000000 0xffc00000 0x00400000>;
 323 +                               #address-cells = <1>;
 324 +                               #size-cells = <1>;
 325 +                               partition0@0 {
 326 +                                       label = "linux";
 327 +                                       reg = <0x0 0x140000>;
 328 +                               };
 329 +                               partition1@120000 {
 330 +                                       label = "rootfs";
 331 +                                       reg = <0x140000 0x680000>;
 332 +                               };
 333 +                               partition2@7c0000 {
 334 +                                       label = "u-boot";
 335 +                                       reg = <0x7c0000 0x30000>;
 336 +                                       read-only;
 337 +                               };
 338 +                               partition3@0 {
 339 +                                       label = "firmware";
 340 +                                       reg = <0x0 0x7c0000>;
 341 +                               };
 342 +                       };
 343 +               };
 344 +
 345 +               PCI0: pci@ec000000 {
 346 +                       device_type = "pci";
 347 +                       #interrupt-cells = <1>;
 348 +                       #size-cells = <2>;
 349 +                       #address-cells = <3>;
 350 +                       compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
 351 +                       primary;
 352 +                       reg = <0xeec00000 0x00000008    /* Config space access */
 353 +                              0xeed80000 0x00000004    /* IACK */
 354 +                              0xeed80000 0x00000004    /* Special cycle */
 355 +                              0xef480000 0x00000040>;  /* Internal registers */
 356 +
 357 +                       /* Outbound ranges, one memory and one IO,
 358 +                        * later cannot be changed. Chip supports a second
 359 +                        * IO range but we don't use it for now
 360 +                        */
 361 +                       ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
 362 +                                 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 363 +
 364 +                       /* Inbound 2GB range starting at 0 */
 365 +                       dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
 366 +
 367 +                       interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
 368 +                       interrupt-map = <
 369 +                               /* IDSEL 1 */
 370 +                               0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
 371 +
 372 +                               /* IDSEL 2 */
 373 +                               0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
 374 +
 375 +                               /* IDSEL 3 */
 376 +                               0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
 377 +
 378 +                               /* IDSEL 4 */
 379 +                               0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
 380 +                       >;
 381 +               };
 382 +       };
 383 +
 384 +       chosen {
 385 +               linux,stdout-path = "/plb/opb/serial@ef600300";
 386 +       };
 387 +};
 388 --- a/arch/powerpc/boot/Makefile
 389 +++ b/arch/powerpc/boot/Makefile
 390 @@ -43,6 +43,7 @@ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -
 391  $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
 392  $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
 393  $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 394 +$(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
 395  $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 396  $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 397
 398 @@ -76,7 +77,8 @@ src-plat := of.c cuboot-52xx.c cuboot-82
 399                 cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \
 400                 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
 401                 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
 402 -               cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c
 403 +               cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
 404 +               cuboot-magicbox.c
 405  src-boot := $(src-wlib) $(src-plat) empty.c
 406
 407  src-boot := $(addprefix $(obj)/, $(src-boot))
 408 @@ -194,6 +196,7 @@ image-$(CONFIG_EP405)                       += dtbImage.ep40
 409  image-$(CONFIG_HOTFOOT)                        += cuImage.hotfoot
 410  image-$(CONFIG_WALNUT)                 += treeImage.walnut
 411  image-$(CONFIG_ACADIA)                 += cuImage.acadia
 412 +image-$(CONFIG_MAGICBOX)               += cuImage.magicbox
 413
 414  # Board ports in arch/powerpc/platform/44x/Kconfig
 415  image-$(CONFIG_EBONY)                  += treeImage.ebony cuImage.ebony
 416 --- a/arch/powerpc/platforms/40x/Kconfig
 417 +++ b/arch/powerpc/platforms/40x/Kconfig
 418 @@ -60,6 +60,16 @@ config KILAUEA
 419         help
 420           This option enables support for the AMCC PPC405EX evaluation board.
 421
 422 +config MAGICBOX
 423 +       bool "Magicbox"
 424 +       depends on 40x
 425 +       default n
 426 +       select PPC40x_SIMPLE
 427 +       select 405EP
 428 +       select PCI
 429 +       help
 430 +         This option enables support for the Magicbox boards.
 431 +
 432  config MAKALU
 433         bool "Makalu"
 434         depends on 40x
 435 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c
 436 +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
 437 @@ -55,7 +55,8 @@ static char *board[] __initdata = {
 438         "amcc,haleakala",
 439         "amcc,kilauea",
 440         "amcc,makalu",
 441 -       "est,hotfoot"
 442 +       "est,hotfoot",
 443 +       "magicbox"
 444  };
 445
 446  static int __init ppc40x_probe(void)