target/linux/ppc40x/patches/005-openrb.patch

   1 --- /dev/null
   2 +++ b/arch/powerpc/boot/cuboot-openrb.c
   3 @@ -0,0 +1,94 @@
   4 +/*
   5 + * Old U-boot compatibility for OpenRB boards
   6 + *
   7 + * Author: Gabor Juhos <juhosg@openwrt.org>
   8 + *         Imre Kaloz <kaloz@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 fixup_isp116x(void)
  64 +{
  65 +#define ISP116X_CS_BASE                0xf0000000
  66 +
  67 +       /* PerCS3 (ISP1160's CS): base 0xf0000000, size 32MB, 16-bit, rw */
  68 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B3CR);
  69 +       mtdcr(DCRN_EBC0_CFGDATA, ISP116X_CS_BASE | EBC_BXCR_BS_32M |
  70 +                                EBC_BXCR_BU_RW | EBC_BXCR_BW_16);
  71 +       mtdcr(DCRN_EBC0_CFGADDR, EBC_B3AP);
  72 +       mtdcr(DCRN_EBC0_CFGDATA, 0x03016600);
  73 +
  74 +#undef ISP116X_CS_BASE
  75 +}
  76 +
  77 +static void openrb_fixups(void)
  78 +{
  79 +       ibm405ep_fixup_clocks(bd.bi_procfreq / 8);
  80 +       ibm4xx_sdram_fixup_memsize();
  81 +
  82 +       fixup_perwe();
  83 +       fixup_cf_card();
  84 +       fixup_isp116x();
  85 +
  86 +       dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr);
  87 +}
  88 +
  89 +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  90 +               unsigned long r6, unsigned long r7)
  91 +{
  92 +       CUBOOT_INIT();
  93 +       platform_ops.fixups = openrb_fixups;
  94 +       platform_ops.exit = ibm40x_dbcr_reset;
  95 +       fdt_init(_dtb_start);
  96 +       serial_console_init();
  97 +}
  98 --- /dev/null
  99 +++ b/arch/powerpc/boot/dts/openrb.dts
 100 @@ -0,0 +1,291 @@
 101 +/*
 102 + * Device Tree Source for OpenRB boards
 103 + *
 104 + * Copyright 2009 Gabor Juhos <juhosg@openwrt.org>
 105 + * Copyright 2009 Imre Kaloz <kaloz@openwrt.org>
 106 + *
 107 + * Based on walnut.dts
 108 + *
 109 + * This file is licensed under the terms of the GNU General Public
 110 + * License version 2.  This program is licensed "as is" without
 111 + * any warranty of any kind, whether express or implied.
 112 + */
 113 +
 114 +/dts-v1/;
 115 +
 116 +/ {
 117 +       #address-cells = <1>;
 118 +       #size-cells = <1>;
 119 +       model = "openrb";
 120 +       compatible = "openrb";
 121 +       dcr-parent = <&{/cpus/cpu@0}>;
 122 +
 123 +       aliases {
 124 +               ethernet0 = &EMAC0;
 125 +               ethernet1 = &EMAC1;
 126 +               serial0 = &UART0;
 127 +               serial1 = &UART1;
 128 +       };
 129 +
 130 +       cpus {
 131 +               #address-cells = <1>;
 132 +               #size-cells = <0>;
 133 +
 134 +               cpu@0 {
 135 +                       device_type = "cpu";
 136 +                       model = "PowerPC,405EP";
 137 +                       reg = <0x00000000>;
 138 +                       clock-frequency = <0>; /* Filled in by zImage */
 139 +                       timebase-frequency = <0>; /* Filled in by zImage */
 140 +                       i-cache-line-size = <0x20>;
 141 +                       d-cache-line-size = <0x20>;
 142 +                       i-cache-size = <0x4000>;
 143 +                       d-cache-size = <0x4000>;
 144 +                       dcr-controller;
 145 +                       dcr-access-method = "native";
 146 +               };
 147 +       };
 148 +
 149 +       memory {
 150 +               device_type = "memory";
 151 +               reg = <0x00000000 0x00000000>; /* Filled in by zImage */
 152 +       };
 153 +
 154 +       UIC0: interrupt-controller {
 155 +               compatible = "ibm,uic";
 156 +               interrupt-controller;
 157 +               cell-index = <0>;
 158 +               dcr-reg = <0x0c0 0x009>;
 159 +               #address-cells = <0>;
 160 +               #size-cells = <0>;
 161 +               #interrupt-cells = <2>;
 162 +       };
 163 +
 164 +       plb {
 165 +               compatible = "ibm,plb3";
 166 +               #address-cells = <1>;
 167 +               #size-cells = <1>;
 168 +               ranges;
 169 +               clock-frequency = <0>; /* Filled in by zImage */
 170 +
 171 +               SDRAM0: memory-controller {
 172 +                       compatible = "ibm,sdram-405ep";
 173 +                       dcr-reg = <0x010 0x002>;
 174 +               };
 175 +
 176 +               MAL: mcmal {
 177 +                       compatible = "ibm,mcmal-405ep", "ibm,mcmal";
 178 +                       dcr-reg = <0x180 0x062>;
 179 +                       num-tx-chans = <4>;
 180 +                       num-rx-chans = <2>;
 181 +                       interrupt-parent = <&UIC0>;
 182 +                       interrupts = <
 183 +                               0xb 0x4 /* TXEOB */
 184 +                               0xc 0x4 /* RXEOB */
 185 +                               0xa 0x4 /* SERR */
 186 +                               0xd 0x4 /* TXDE */
 187 +                               0xe 0x4 /* RXDE */>;
 188 +               };
 189 +
 190 +               POB0: opb {
 191 +                       compatible = "ibm,opb-405ep", "ibm,opb";
 192 +                       #address-cells = <1>;
 193 +                       #size-cells = <1>;
 194 +                       ranges = <0xef600000 0xef600000 0x00a00000>;
 195 +                       dcr-reg = <0x0a0 0x005>;
 196 +                       clock-frequency = <0>; /* Filled in by zImage */
 197 +
 198 +                       UART0: serial@ef600300 {
 199 +                               device_type = "serial";
 200 +                               compatible = "ns16550";
 201 +                               reg = <0xef600300 0x00000008>;
 202 +                               virtual-reg = <0xef600300>;
 203 +                               clock-frequency = <0>; /* Filled in by zImage */
 204 +                               current-speed = <115200>;
 205 +                               interrupt-parent = <&UIC0>;
 206 +                               interrupts = <0x0 0x4>;
 207 +                       };
 208 +
 209 +                       UART1: serial@ef600400 {
 210 +                               device_type = "serial";
 211 +                               compatible = "ns16550";
 212 +                               reg = <0xef600400 0x00000008>;
 213 +                               virtual-reg = <0xef600400>;
 214 +                               clock-frequency = <0>; /* Filled in by zImage */
 215 +                               current-speed = <115200>;
 216 +                               interrupt-parent = <&UIC0>;
 217 +                               interrupts = <0x1 0x4>;
 218 +                       };
 219 +
 220 +                       IIC: i2c@ef600500 {
 221 +                               compatible = "ibm,iic-405ep", "ibm,iic";
 222 +                               #address-cells = <1>;
 223 +                               #size-cells = <0>;
 224 +                               reg = <0xef600500 0x00000011>;
 225 +                               interrupt-parent = <&UIC0>;
 226 +                               interrupts = <0x2 0x4>;
 227 +
 228 +                               eeprom@50 {
 229 +                                       compatible = "at24,24c16";
 230 +                                       reg = <0x50>;
 231 +                               };
 232 +                       };
 233 +
 234 +                       GPIO0: gpio-controller@ef600700 {
 235 +                               compatible = "ibm,ppc4xx-gpio";
 236 +                               reg = <0xef600700 0x00000020>;
 237 +                               #gpio-cells = <2>;
 238 +                               gpio-controller;
 239 +                       };
 240 +
 241 +                       EMAC0: ethernet@ef600800 {
 242 +                               linux,network-index = <0x0>;
 243 +                               device_type = "network";
 244 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 245 +                               interrupt-parent = <&UIC0>;
 246 +                               interrupts = <
 247 +                                       0xf 0x4 /* Ethernet */
 248 +                                       0x9 0x4 /* Ethernet Wake Up */>;
 249 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 250 +                               reg = <0xef600800 0x00000070>;
 251 +                               mal-device = <&MAL>;
 252 +                               mal-tx-channel = <0>;
 253 +                               mal-rx-channel = <0>;
 254 +                               cell-index = <0>;
 255 +                               max-frame-size = <0x5dc>;
 256 +                               rx-fifo-size = <0x1000>;
 257 +                               tx-fifo-size = <0x800>;
 258 +                               phy-mode = "mii";
 259 +                               phy-map = <0x00000000>;
 260 +                       };
 261 +
 262 +                       EMAC1: ethernet@ef600900 {
 263 +                               linux,network-index = <0x1>;
 264 +                               device_type = "network";
 265 +                               compatible = "ibm,emac-405ep", "ibm,emac";
 266 +                               interrupt-parent = <&UIC0>;
 267 +                               interrupts = <
 268 +                                       0x11 0x4 /* Ethernet */
 269 +                                       0x09 0x4 /* Ethernet Wake Up */>;
 270 +                               local-mac-address = [000000000000]; /* Filled in by zImage */
 271 +                               reg = <0xef600900 0x00000070>;
 272 +                               mal-device = <&MAL>;
 273 +                               mal-tx-channel = <2>;
 274 +                               mal-rx-channel = <1>;
 275 +                               cell-index = <1>;
 276 +                               max-frame-size = <0x5dc>;
 277 +                               rx-fifo-size = <0x1000>;
 278 +                               tx-fifo-size = <0x800>;
 279 +                               mdio-device = <&EMAC0>;
 280 +                               phy-mode = "mii";
 281 +                               phy-map = <0x00000001>;
 282 +                       };
 283 +
 284 +                       leds {
 285 +                               compatible = "gpio-leds";
 286 +                               user {
 287 +                                       label = "openrb:green:user";
 288 +                                       gpios = <&GPIO0 2 1>;
 289 +                               };
 290 +                       };
 291 +               };
 292 +
 293 +               EBC0: ebc {
 294 +                       compatible = "ibm,ebc-405ep", "ibm,ebc";
 295 +                       dcr-reg = <0x012 0x002>;
 296 +                       #address-cells = <2>;
 297 +                       #size-cells = <1>;
 298 +                       /* The ranges property is supplied by the bootwrapper
 299 +                        * and is based on the firmware's configuration of the
 300 +                        * EBC bridge
 301 +                        */
 302 +                       clock-frequency = <0>; /* Filled in by zImage */
 303 +
 304 +                       isp116x@f0000000 {
 305 +                               compatible = "isp116x-hcd";
 306 +                               oc_enable;
 307 +                               int_act_high;
 308 +                               int_edge_triggered;
 309 +                               reg = <0x00000000 0xf0000000 0x00000002 /* data */
 310 +                                      0x00000000 0xf1000000 0x00000002 /* addr */ >;
 311 +                               interrupt-parent = <&UIC0>;
 312 +                               interrupts = <0x1b 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
 313 +                       };
 314 +
 315 +                       cf_card@ff100000 {
 316 +                               compatible = "magicbox-cf", "pata-magicbox-cf";
 317 +                               reg = <0x00000000 0xff100000 0x00001000
 318 +                                      0x00000000 0xff200000 0x00001000>;
 319 +                               interrupt-parent = <&UIC0>;
 320 +                               interrupts = <0x19 0x1 /* IRQ_TYPE_EDGE_RISING */ >;
 321 +                       };
 322 +
 323 +                       nor_flash@ff800000 {
 324 +                               compatible = "cfi-flash";
 325 +                               bank-width = <2>;
 326 +                               reg = <0x00000000 0xff800000 0x00800000>;
 327 +                               #address-cells = <1>;
 328 +                               #size-cells = <1>;
 329 +                               partition0@0 {
 330 +                                       label = "linux";
 331 +                                       reg = <0x0 0x140000>;
 332 +                               };
 333 +                               partition1@120000 {
 334 +                                       label = "rootfs";
 335 +                                       reg = <0x140000 0x680000>;
 336 +                               };
 337 +                               partition2@7c0000 {
 338 +                                       label = "u-boot";
 339 +                                       reg = <0x7c0000 0x30000>;
 340 +                                       read-only;
 341 +                               };
 342 +                               partition3@0 {
 343 +                                       label = "firmware";
 344 +                                       reg = <0x0 0x7c0000>;
 345 +                               };
 346 +                       };
 347 +               };
 348 +
 349 +               PCI0: pci@ec000000 {
 350 +                       device_type = "pci";
 351 +                       #interrupt-cells = <1>;
 352 +                       #size-cells = <2>;
 353 +                       #address-cells = <3>;
 354 +                       compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
 355 +                       primary;
 356 +                       reg = <0xeec00000 0x00000008    /* Config space access */
 357 +                              0xeed80000 0x00000004    /* IACK */
 358 +                              0xeed80000 0x00000004    /* Special cycle */
 359 +                              0xef480000 0x00000040>;  /* Internal registers */
 360 +
 361 +                       /* Outbound ranges, one memory and one IO,
 362 +                        * later cannot be changed. Chip supports a second
 363 +                        * IO range but we don't use it for now
 364 +                        */
 365 +                       ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
 366 +                                 0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
 367 +
 368 +                       /* Inbound 2GB range starting at 0 */
 369 +                       dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
 370 +
 371 +                       interrupt-map-mask = <0xf800 0x0 0x0 0x0>;
 372 +                       interrupt-map = <
 373 +                               /* IDSEL 1 */
 374 +                               0x800 0x0 0x0 0x0 &UIC0 0x1c 0x8
 375 +
 376 +                               /* IDSEL 2 */
 377 +                               0x1000 0x0 0x0 0x0 &UIC0 0x1d 0x8
 378 +
 379 +                               /* IDSEL 3 */
 380 +                               0x1800 0x0 0x0 0x0 &UIC0 0x1e 0x8
 381 +
 382 +                               /* IDSEL 4 */
 383 +                               0x2000 0x0 0x0 0x0 &UIC0 0x1f 0x8
 384 +                       >;
 385 +               };
 386 +       };
 387 +
 388 +       chosen {
 389 +               linux,stdout-path = "/plb/opb/serial@ef600300";
 390 +       };
 391 +};
 392 --- a/arch/powerpc/boot/Makefile
 393 +++ b/arch/powerpc/boot/Makefile
 394 @@ -44,6 +44,7 @@ $(obj)/cuboot-taishan.o: BOOTCFLAGS += -
 395  $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
 396  $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
 397  $(obj)/cuboot-magicbox.o: BOOTCFLAGS += -mcpu=405
 398 +$(obj)/cuboot-openrb.o: BOOTCFLAGS += -mcpu=405
 399  $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
 400  $(obj)/virtex405-head.o: BOOTAFLAGS += -mcpu=405
 401
 402 @@ -78,7 +79,7 @@ src-plat := of.c cuboot-52xx.c cuboot-82
 403                 cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \
 404                 virtex405-head.S virtex.c redboot-83xx.c cuboot-sam440ep.c \
 405                 cuboot-acadia.c cuboot-amigaone.c cuboot-kilauea.c \
 406 -               cuboot-magicbox.c
 407 +               cuboot-magicbox.c cuboot-openrb.c
 408  src-boot := $(src-wlib) $(src-plat) empty.c
 409
 410  src-boot := $(addprefix $(obj)/, $(src-boot))
 411 @@ -197,6 +198,7 @@ image-$(CONFIG_HOTFOOT)                     += cuImage.hot
 412  image-$(CONFIG_WALNUT)                 += treeImage.walnut
 413  image-$(CONFIG_ACADIA)                 += cuImage.acadia
 414  image-$(CONFIG_MAGICBOX)               += cuImage.magicbox
 415 +image-$(CONFIG_OPENRB)                 += cuImage.openrb
 416
 417  # Board ports in arch/powerpc/platform/44x/Kconfig
 418  image-$(CONFIG_EBONY)                  += treeImage.ebony cuImage.ebony
 419 --- a/arch/powerpc/platforms/40x/Kconfig
 420 +++ b/arch/powerpc/platforms/40x/Kconfig
 421 @@ -70,6 +70,16 @@ config MAGICBOX
 422         help
 423           This option enables support for the Magicbox boards.
 424
 425 +config OPENRB
 426 +       bool "OpenRB"
 427 +       depends on 40x
 428 +       default n
 429 +       select PPC40x_SIMPLE
 430 +       select 405EP
 431 +       select PCI
 432 +       help
 433 +         This option enables support for the OpenRB boards.
 434 +
 435  config MAKALU
 436         bool "Makalu"
 437         depends on 40x
 438 --- a/arch/powerpc/platforms/40x/ppc40x_simple.c
 439 +++ b/arch/powerpc/platforms/40x/ppc40x_simple.c
 440 @@ -56,7 +56,8 @@ static char *board[] __initdata = {
 441         "amcc,kilauea",
 442         "amcc,makalu",
 443         "est,hotfoot",
 444 -       "magicbox"
 445 +       "magicbox",
 446 +       "openrb"
 447  };
 448
 449  static int __init ppc40x_probe(void)