Major cleanup for AMCC PPC4xx eval boards.
[kernel/u-boot.git] / include / configs / walnut.h
similarity index 64%
rename from include/configs/WALNUT405.h
rename to include/configs/walnut.h
index 9155ce8..ac5b530 100644 (file)
@@ -1,6 +1,6 @@
 /*
- * (C) Copyright 2000, 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ * (C) Copyright 2000-2005
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
  * See file CREDITS for list of people who contributed to this
  * project.
 
 #define CONFIG_405GP           1       /* This is a PPC405 CPU         */
 #define CONFIG_4xx             1       /* ...member of PPC4xx family   */
-#define CONFIG_WALNUT405       1       /* ...on a WALNUT405 board      */
+#define CONFIG_WALNUT          1       /* ...on a WALNUT board         */
+                                       /* ...and on a SYCAMORE board   */
 
 #define CONFIG_BOARD_EARLY_INIT_F 1    /* Call board_early_init_f      */
 
 #define CONFIG_SYS_CLK_FREQ     33333333 /* external frequency to pll   */
 
-/*#define CFG_ENV_IS_IN_FLASH     1*/  /* use FLASH for environment vars       */
-#define CFG_ENV_IS_IN_NVRAM    1       /* use NVRAM for environment vars       */
+#define CONFIG_PREBOOT "echo;" \
+       "echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
+       "echo"
+
+#undef CONFIG_BOOTARGS
+
+#define        CONFIG_EXTRA_ENV_SETTINGS                                       \
+       "netdev=eth0\0"                                                 \
+       "hostname=walnut\0"                                             \
+       "nfsargs=setenv bootargs root=/dev/nfs rw "                     \
+               "nfsroot=$(serverip):$(rootpath)\0"                     \
+       "ramargs=setenv bootargs root=/dev/ram rw\0"                    \
+       "addip=setenv bootargs $(bootargs) "                            \
+               "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask)"      \
+               ":$(hostname):$(netdev):off panic=1\0"                  \
+       "addtty=setenv bootargs $(bootargs) console=ttyS0,$(baudrate)\0"\
+       "flash_nfs=run nfsargs addip addtty;"                           \
+               "bootm $(kernel_addr)\0"                                \
+       "flash_self=run ramargs addip addtty;"                          \
+               "bootm $(kernel_addr) $(ramdisk_addr)\0"                \
+       "net_nfs=tftp 200000 $(bootfile);run nfsargs addip addtty;"     \
+               "bootm\0"                                               \
+       "rootpath=/opt/eldk/ppc_4xx\0"                                  \
+       "bootfile=/tftpboot/walnut/uImage\0"                            \
+       "kernel_addr=fff80000\0"                                        \
+       "ramdisk_addr=fff80000\0"                                       \
+       "load=tftp 100000 /tftpboot/walnut/u-boot.bin\0"                \
+       "update=protect off fffc0000 ffffffff;era fffc0000 ffffffff;"   \
+               "cp.b 100000 fffc0000 40000;"                           \
+               "setenv filesize;saveenv\0"                             \
+       "upd=run load;run update\0"                                     \
+       ""
+#define CONFIG_BOOTCOMMAND     "run net_nfs"
 
-#ifdef CFG_ENV_IS_IN_NVRAM
-#undef CFG_ENV_IS_IN_FLASH
-#else
-#ifdef CFG_ENV_IS_IN_FLASH
-#undef CFG_ENV_IS_IN_NVRAM
-#endif
-#endif
-
-#define CONFIG_BAUDRATE                9600
-#define CONFIG_BOOTDELAY       3       /* autoboot after 3 seconds     */
-
-#if 1
-#define CONFIG_BOOTCOMMAND     "bootm ffc00000" /* autoboot command    */
-#else
-#define CONFIG_BOOTCOMMAND     "bootp" /* autoboot command             */
-#endif
-
-/* Size (bytes) of interrupt driven serial port buffer.
- * Set to 0 to use polling instead of interrupts.
- * Setting to 0 will also disable RTS/CTS handshaking.
- */
 #if 0
-#define CONFIG_SERIAL_SOFTWARE_FIFO 4000
+#define CONFIG_BOOTDELAY       -1      /* autoboot disabled            */
 #else
-#undef CONFIG_SERIAL_SOFTWARE_FIFO
+#define CONFIG_BOOTDELAY       5       /* autoboot after 5 seconds     */
 #endif
 
-#if 0
-#define CONFIG_BOOTARGS                "root=/dev/nfs "                        \
-    "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0 "        \
-    "nfsroot=192.168.2.190:/home/stefan/cpci405/target_ftest4"
-#else
-#define CONFIG_BOOTARGS                "root=/dev/hda1 "                       \
-   "ip=192.168.2.176:192.168.2.190:192.168.2.79:255.255.255.0"
-
-#endif
+#define CONFIG_BAUDRATE                115200
 
 #define CONFIG_LOADS_ECHO      1       /* echo on for serial download  */
 #define CFG_LOADS_BAUD_CHANGE  1       /* allow baudrate change        */
 #define CONFIG_RTC_DS174x      1       /* use DS1743 RTC in Walnut     */
 
 #define CONFIG_COMMANDS               (CONFIG_CMD_DFL  | \
-                               CFG_CMD_PCI     | \
-                               CFG_CMD_IRQ     | \
-                               CFG_CMD_KGDB    | \
-                               CFG_CMD_DHCP    | \
+                               CFG_CMD_ASKENV  | \
                                CFG_CMD_DATE    | \
-                               CFG_CMD_BEDBUG  | \
-                               CFG_CMD_ELF     )
+                               CFG_CMD_DHCP    | \
+                               CFG_CMD_DIAG    | \
+                               CFG_CMD_ELF     | \
+                               CFG_CMD_I2C     | \
+                               CFG_CMD_IRQ     | \
+                               CFG_CMD_MII     | \
+                               CFG_CMD_NET     | \
+                               CFG_CMD_NFS     | \
+                               CFG_CMD_PCI     | \
+                               CFG_CMD_PING    | \
+                               CFG_CMD_REGINFO | \
+                               CFG_CMD_SDRAM   | \
+                               CFG_CMD_SNTP    )
 
 /* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
 #include <cmd_confdefs.h>
  * If CFG_405_UART_ERRATA_59 and 200MHz CPU clock,
  * set Linux BASE_BAUD to 403200.
  */
+#undef CONFIG_SERIAL_SOFTWARE_FIFO
 #undef  CFG_EXT_SERIAL_CLOCK           /* external serial clock */
 #undef  CFG_405_UART_ERRATA_59         /* 405GP/CR Rev. D silicon */
 #define CFG_BASE_BAUD       691200
 
 #define        CFG_HZ          1000            /* decrementer freq: 1 ms ticks */
 
+#define CONFIG_AUTO_COMPLETE   1       /* add autocompletion support   */
+#define CONFIG_LOOPW            1       /* enable loopw command         */
+#define CONFIG_ZERO_BOOTDELAY_CHECK    /* check for keypress on bootdelay==0 */
+#define CONFIG_VERSION_VARIABLE 1      /* include version env variable */
+
+#define CFG_RX_ETH_BUFFER      16      /* use 16 rx buffer on 405 emac */
+
+/*-----------------------------------------------------------------------
+ * I2C stuff
+ *-----------------------------------------------------------------------
+ */
 #define CONFIG_HARD_I2C                1       /* I2C with hardware support    */
 #undef  CONFIG_SOFT_I2C                        /* I2C bit-banged               */
 #define CFG_I2C_SPEED          400000  /* I2C speed and slave address  */
 #define CFG_I2C_SLAVE          0x7F
 
-
 /*-----------------------------------------------------------------------
  * PCI stuff
  *-----------------------------------------------------------------------
 #define CONFIG_PCI_HOST        PCI_HOST_FORCE  /* select pci host function     */
 #define CONFIG_PCI_PNP                 /* do pci plug-and-play         */
                                        /* resource configuration       */
+#define CONFIG_PCI_SCAN_SHOW           /* show pci devices on startup  */
 
-#define CFG_PCI_SUBSYS_VENDORID 0x0000  /* PCI Vendor ID: to-do!!!      */
-#define CFG_PCI_SUBSYS_DEVICEID 0x0000  /* PCI Device ID: to-do!!!      */
+#define CFG_PCI_SUBSYS_VENDORID 0x10e8 /* AMCC */
+#define CFG_PCI_SUBSYS_DEVICEID 0xcafe /* Whatever */
 #define CFG_PCI_PTM1LA  0x00000000      /* point to sdram               */
 #define CFG_PCI_PTM1MS  0x80000001      /* 2GB, enable hard-wired to 1  */
 #define CFG_PCI_PTM1PCI 0x00000000      /* Host: use this pci address   */
 #define CFG_PCI_PTM2PCI 0x04000000      /* Host: use this pci address   */
 
 /*-----------------------------------------------------------------------
- * External peripheral base address
- *-----------------------------------------------------------------------
- */
-#undef  CONFIG_IDE_LED                  /* no led for ide supported     */
-#undef  CONFIG_IDE_RESET                /* no reset for ide supported   */
-
-#define        CFG_KEY_REG_BASE_ADDR   0xF0100000
-#define        CFG_IR_REG_BASE_ADDR    0xF0200000
-#define        CFG_FPGA_REG_BASE_ADDR  0xF0300000
-
-/*-----------------------------------------------------------------------
  * Start addresses for the final memory configuration
  * (Set up by the startup code)
  * Please note that CFG_SDRAM_BASE _must_ start at 0
  */
 #define CFG_SDRAM_BASE         0x00000000
 #define CFG_FLASH_BASE         0xFFF80000
-#define CFG_MONITOR_BASE       CFG_FLASH_BASE
 #define CFG_MONITOR_LEN                (256 * 1024)    /* Reserve 256 kB for Monitor   */
 #define CFG_MALLOC_LEN         (128 * 1024)    /* Reserve 128 kB for malloc()  */
+#define CFG_MONITOR_BASE       (-CFG_MONITOR_LEN)
+
+/*
+ * Define here the location of the environment variables (FLASH or NVRAM).
+ * Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
+ *       supported for backward compatibility.
+ */
+#if 1
+#define CFG_ENV_IS_IN_FLASH     1      /* use FLASH for environment vars       */
+#else
+#define CFG_ENV_IS_IN_NVRAM    1       /* use NVRAM for environment vars       */
+#endif
 
 /*
  * For booting Linux, the board info and command line data
  * the maximum mapped by the Linux kernel during initialization.
  */
 #define CFG_BOOTMAPSZ          (8 << 20)       /* Initial Memory map for Linux */
+
 /*-----------------------------------------------------------------------
  * FLASH organization
  */
+#define FLASH_BASE0_PRELIM     CFG_FLASH_BASE  /* FLASH bank #0                */
+#define FLASH_BASE1_PRELIM     0               /* FLASH bank #1                */
+
 #define CFG_MAX_FLASH_BANKS    1       /* max number of memory banks           */
 #define CFG_MAX_FLASH_SECT     256     /* max number of sectors on one chip    */
 
 #define CFG_FLASH_ERASE_TOUT   120000  /* Timeout for Flash Erase (in ms)      */
 #define CFG_FLASH_WRITE_TOUT   500     /* Timeout for Flash Write (in ms)      */
 
-/* BEG ENVIRONNEMENT FLASH */
+#define CFG_FLASH_EMPTY_INFO           /* print 'E' for empty sector on flinfo */
+
+#define CFG_FLASH_ADDR0         0x5555
+#define CFG_FLASH_ADDR1         0x2aaa
+#define CFG_FLASH_WORD_SIZE     unsigned char
+
 #ifdef CFG_ENV_IS_IN_FLASH
-#define CFG_ENV_OFFSET         0x00050000 /* Offset of Environment Sector  */
-#define        CFG_ENV_SIZE            0x10000 /* Total Size of Environment Sector     */
-#define CFG_ENV_SECT_SIZE      0x10000 /* see README - env sector total size   */
-#endif
-/* END ENVIRONNEMENT FLASH */
+#define CFG_ENV_SECT_SIZE      0x10000         /* size of one complete sector  */
+#define CFG_ENV_ADDR           (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
+#define        CFG_ENV_SIZE            0x4000  /* Total Size of Environment Sector     */
+
+/* Address and size of Redundant Environment Sector    */
+#define CFG_ENV_ADDR_REDUND    (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
+#define CFG_ENV_SIZE_REDUND    (CFG_ENV_SIZE)
+#endif /* CFG_ENV_IS_IN_FLASH */
+
 /*-----------------------------------------------------------------------
  * NVRAM organization
  */
 #define CFG_ENV_ADDR           \
        (CFG_NVRAM_BASE_ADDR+CFG_NVRAM_SIZE-CFG_ENV_SIZE)       /* Env  */
 #endif
+
 /*-----------------------------------------------------------------------
  * Cache Configuration
  */
-#define CFG_DCACHE_SIZE                8192    /* For IBM 405 CPUs                     */
+#define CFG_DCACHE_SIZE                16384   /* For IBM 405 CPUs, older 405 ppc's    */
+                                       /* have only 8kB, 16kB is save here     */
 #define CFG_CACHELINE_SIZE     32      /* ...                  */
 #if (CONFIG_COMMANDS & CFG_CMD_KGDB)
 #define CFG_CACHELINE_SHIFT    5       /* log base 2 of the above value        */
 #endif
 
-/*
- * Init Memory Controller:
- *
- * BR0/1 and OR0/1 (FLASH)
+/*-----------------------------------------------------------------------
+ * External Bus Controller (EBC) Setup
  */
 
-#define FLASH_BASE0_PRELIM     CFG_FLASH_BASE  /* FLASH bank #0        */
-#define FLASH_BASE1_PRELIM     0               /* FLASH bank #1        */
+/* Memory Bank 0 (Flash Bank 0) initialization                                 */
+#define CFG_EBC_PB0AP          0x9B015480
+#define CFG_EBC_PB0CR          0xFFF18000  /* BAS=0xFFF,BS=1MB,BU=R/W,BW=8bit  */
+
+#define CFG_EBC_PB1AP          0x02815480
+#define CFG_EBC_PB1CR          0xF0018000  /* BAS=0xF00,BS=1MB,BU=R/W,BW=8bit  */
+
+#define CFG_EBC_PB2AP          0x04815A80
+#define CFG_EBC_PB2CR          0xF0118000  /* BAS=0xF01,BS=1MB,BU=R/W,BW=8bit  */
 
+#define CFG_EBC_PB3AP          0x01815280
+#define CFG_EBC_PB3CR          0xF0218000  /* BAS=0xF02,BS=1MB,BU=R/W,BW=8bit  */
 
-/* Configuration Port location */
-#define CONFIG_PORT_ADDR       0xF0000500
+#define CFG_EBC_PB7AP          0x01815280
+#define CFG_EBC_PB7CR          0xF0318000  /* BAS=0xF03,BS=1MB,BU=R/W,BW=8bit  */
+
+/*-----------------------------------------------------------------------
+ * External peripheral base address
+ *-----------------------------------------------------------------------
+ */
+#define        CFG_KEY_REG_BASE_ADDR   0xF0100000
+#define        CFG_IR_REG_BASE_ADDR    0xF0200000
+#define        CFG_FPGA_REG_BASE_ADDR  0xF0300000
 
 /*-----------------------------------------------------------------------
- * Definitions for initial stack pointer and data area (in DPRAM)
+ * Definitions for initial stack pointer and data area
  */
 #define CFG_INIT_DCACHE_CS      4       /* use cs # 4 for data cache memory    */