imported Ka-Ro specific additions to U-Boot 2009.08 for TX28

[karo-tx-uboot.git] / lib_microblaze / board.c

diff --git a/lib_microblaze/board.c b/lib_microblaze/board.c
index 026d247e54ad8a36a1b5ebf53ab6a5539583b8b5..cfed5fefcd7b958b87d41db10aa68c10167fc930 100755 (executable)
--- a/lib_microblaze/board.c
+++ b/lib_microblaze/board.c
@@ -1,6 +1,8 @@
 /*
+ * (C) Copyright 2007 Michal Simek
  * (C) Copyright 2004 Atmark Techno, Inc.
  *
+ * Michal  SIMEK <monstr@monstr.eu>
  * Yasushi SHOJI <yashi@atmark-techno.com>
  *
  * See file CREDITS for list of people who contributed to this
@@ -13,7 +15,7 @@
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
@@ -25,13 +27,24 @@
 #include <common.h>
 #include <command.h>
 #include <malloc.h>
+#include <timestamp.h>
 #include <version.h>
 #include <watchdog.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-const char version_string[] =
-       U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+const char version_string[] = U_BOOT_VERSION " ("U_BOOT_DATE" - "U_BOOT_TIME")";
+
+#ifdef CONFIG_SYS_GPIO_0
+extern int gpio_init (void);
+#endif
+#ifdef CONFIG_SYS_INTC_0
+extern int interrupts_init (void);
+#endif
+#if defined(CONFIG_CMD_NET)
+extern int eth_init (bd_t * bis);
+extern int getenv_IPaddr (char *);
+#endif
 
 /*
  * Begin and End of memory area for malloc(), and current "brk"
@@ -40,6 +53,18 @@ static ulong mem_malloc_start;
 static ulong mem_malloc_end;
 static ulong mem_malloc_brk;
 
+/*
+ * The Malloc area is immediately below the monitor copy in DRAM
+ * aka CONFIG_SYS_MONITOR_BASE - Note there is no need for reloc_off
+ * as our monitory code is run from SDRAM
+ */
+static void mem_malloc_init (void)
+{
+       mem_malloc_end = (CONFIG_SYS_MALLOC_BASE + CONFIG_SYS_MALLOC_LEN);
+       mem_malloc_start = CONFIG_SYS_MALLOC_BASE;
+       mem_malloc_brk = mem_malloc_start;
+       memset ((void *)mem_malloc_start, 0, mem_malloc_end - mem_malloc_start);
+}
 
 void *sbrk (ptrdiff_t increment)
 {
@@ -50,7 +75,7 @@ void *sbrk (ptrdiff_t increment)
                return (NULL);
        }
        mem_malloc_brk = new;
-       return ((void *) old);
+       return ((void *)old);
 }
 
 /*
@@ -68,24 +93,37 @@ void *sbrk (ptrdiff_t increment)
 typedef int (init_fnc_t) (void);
 
 init_fnc_t *init_sequence[] = {
-       serial_init,            /* serial communications setup */
+       env_init,
+       serial_init,
+#ifdef CONFIG_SYS_GPIO_0
+       gpio_init,
+#endif
+#ifdef CONFIG_SYS_INTC_0
+       interrupts_init,
+#endif
        NULL,
 };
 
-void board_init(void)
+void board_init (void)
 {
        bd_t *bd;
        init_fnc_t **init_fnc_ptr;
-
-       /* Pointer is writable since we allocated a register for it. */
-       gd = (gd_t *)CFG_GBL_DATA_OFFSET;
-       memset((void *)gd, 0, CFG_GBL_DATA_SIZE);
-
-       gd->bd = (bd_t *)(gd+1);        /* At end of global data */
+       gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET;
+#if defined(CONFIG_CMD_FLASH)
+       ulong flash_size = 0;
+#endif
+       asm ("nop");    /* FIXME gd is not initialize - wait */
+       memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
+       gd->bd = (bd_t *) (gd + 1);     /* At end of global data */
        gd->baudrate = CONFIG_BAUDRATE;
-
        bd = gd->bd;
        bd->bi_baudrate = CONFIG_BAUDRATE;
+       bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+       bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+       gd->flags |= GD_FLG_RELOC;      /* tell others: relocation done */
+
+       /* Initialise malloc() area */
+       mem_malloc_init ();
 
        for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
                WATCHDOG_RESET ();
@@ -94,6 +132,51 @@ void board_init(void)
                }
        }
 
+       puts ("SDRAM :\n");
+       printf ("\t\tIcache:%s\n", icache_status() ? "OK" : "FAIL");
+       printf ("\t\tDcache:%s\n", dcache_status() ? "OK" : "FAIL");
+       printf ("\tU-Boot Start:0x%08x\n", TEXT_BASE);
+
+#if defined(CONFIG_CMD_FLASH)
+       puts ("FLASH: ");
+       bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
+       if (0 < (flash_size = flash_init ())) {
+               bd->bi_flashsize = flash_size;
+               bd->bi_flashoffset = CONFIG_SYS_FLASH_BASE + flash_size;
+# ifdef CONFIG_SYS_FLASH_CHECKSUM
+               print_size (flash_size, "");
+               /*
+                * Compute and print flash CRC if flashchecksum is set to 'y'
+                *
+                * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX
+                */
+               s = getenv ("flashchecksum");
+               if (s && (*s == 'y')) {
+                       printf ("  CRC: %08X",
+                               crc32 (0, (const unsigned char *) CONFIG_SYS_FLASH_BASE, flash_size)
+                       );
+               }
+               putc ('\n');
+# else /* !CONFIG_SYS_FLASH_CHECKSUM */
+               print_size (flash_size, "\n");
+# endif /* CONFIG_SYS_FLASH_CHECKSUM */
+       } else {
+               puts ("Flash init FAILED");
+               bd->bi_flashstart = 0;
+               bd->bi_flashsize = 0;
+               bd->bi_flashoffset = 0;
+       }
+#endif
+
+#if defined(CONFIG_CMD_NET)
+       /* IP Address */
+       bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+       eth_init (bd);
+#endif
+
+       /* relocate environment function pointers etc. */
+       env_relocate ();
+
        /* main_loop */
        for (;;) {
                WATCHDOG_RESET ();
@@ -104,5 +187,5 @@ void board_init(void)
 void hang (void)
 {
        puts ("### ERROR ### Please RESET the board ###\n");
-       for (;;);
+       for (;;) ;
 }