imported Freescale specific U-Boot additions for i.MX28,... release L2.6.31_10.08.01

[karo-tx-uboot.git] / board / hmi1001 / hmi1001.c

diff --git a/board/hmi1001/hmi1001.c b/board/hmi1001/hmi1001.c
index 237e8631657d51f9c320f5e3db23d23a55482831..9cbed4b8c53e6bcd9c1ea3b4173b559df3fad46b 100755 (executable)
--- a/board/hmi1001/hmi1001.c
+++ b/board/hmi1001/hmi1001.c
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2003-2004
+ * (C) Copyright 2003-2008
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
  * (C) Copyright 2004
@@ -30,9 +30,10 @@
 #include <common.h>
 #include <mpc5xxx.h>
 #include <pci.h>
+#include <asm/processor.h>
 #include <malloc.h>
 
-#ifndef CFG_RAMBOOT
+#ifndef CONFIG_SYS_RAMBOOT
 static void sdram_start (int hi_addr)
 {
        long hi_addr_bit = hi_addr ? 0x01000000 : 0;
@@ -75,15 +76,16 @@ static void sdram_start (int hi_addr)
 
 /*
  * ATTENTION: Although partially referenced initdram does NOT make real use
- *           use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ *           use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
  *           is something else than 0x00000000.
  */
 
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
 {
        ulong dramsize = 0;
-#ifndef CFG_RAMBOOT
+#ifndef CONFIG_SYS_RAMBOOT
        ulong test1, test2;
+       uint svr, pvr;
 
        /* setup SDRAM chip selects */
        *(vu_long *)MPC5XXX_SDRAM_CS0CFG = 0x0000001c; /* 512MB at 0x0 */
@@ -103,9 +105,9 @@ long int initdram (int board_type)
 
        /* find RAM size using SDRAM CS0 only */
        sdram_start(0);
-       test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x20000000);
+       test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
        sdram_start(1);
-       test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x20000000);
+       test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x20000000);
        if (test1 > test2) {
                sdram_start(0);
                dramsize = test1;
@@ -127,7 +129,7 @@ long int initdram (int board_type)
        }
 
        *(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
-#else /* CFG_RAMBOOT */
+#else /* CONFIG_SYS_RAMBOOT */
 
        /* retrieve size of memory connected to SDRAM CS0 */
        dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
@@ -145,7 +147,25 @@ long int initdram (int board_type)
                dramsize2 = 0;
        }
 
-#endif /* CFG_RAMBOOT */
+#endif /* CONFIG_SYS_RAMBOOT */
+
+       /*
+        * On MPC5200B we need to set the special configuration delay in the
+        * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
+        * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
+        *
+        * "The SDelay should be written to a value of 0x00000004. It is
+        * required to account for changes caused by normal wafer processing
+        * parameters."
+        */
+       svr = get_svr();
+       pvr = get_pvr();
+       if ((SVR_MJREV(svr) >= 2) &&
+           (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
+
+               *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
+               __asm__ volatile ("sync");
+       }
 
 /*     return dramsize + dramsize2; */
        return dramsize;
@@ -173,13 +193,13 @@ struct kbd_data_t {
 
 struct kbd_data_t* get_keys (struct kbd_data_t *kbd_data)
 {
-       kbd_data->s1 = *((volatile uchar*)(CFG_STATUS1_BASE));
-       kbd_data->s2 = *((volatile uchar*)(CFG_STATUS2_BASE));
+       kbd_data->s1 = *((volatile uchar*)(CONFIG_SYS_STATUS1_BASE));
+       kbd_data->s2 = *((volatile uchar*)(CONFIG_SYS_STATUS2_BASE));
 
        return kbd_data;
 }
 
-static int compare_magic (const struct kbd_data_t *kbd_data, uchar *str)
+static int compare_magic (const struct kbd_data_t *kbd_data, char *str)
 {
        char s1 = str[0];
        char s2;
@@ -222,11 +242,11 @@ static int compare_magic (const struct kbd_data_t *kbd_data, uchar *str)
        return 0;
 }
 
-static uchar *key_match (const struct kbd_data_t *kbd_data)
+static char *key_match (const struct kbd_data_t *kbd_data)
 {
-       uchar magic[sizeof (kbd_magic_prefix) + 1];
-       uchar *suffix;
-       uchar *kbd_magic_keys;
+       char magic[sizeof (kbd_magic_prefix) + 1];
+       char *suffix;
+       char *kbd_magic_keys;
 
        /*
         * The following string defines the characters that can be appended
@@ -247,7 +267,7 @@ static uchar *key_match (const struct kbd_data_t *kbd_data)
                sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
 
                if (compare_magic(kbd_data, getenv(magic)) == 0) {
-                       uchar cmd_name[sizeof (kbd_command_prefix) + 1];
+                       char cmd_name[sizeof (kbd_command_prefix) + 1];
                        char *cmd;
 
                        sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
@@ -267,7 +287,7 @@ int misc_init_r (void)
 #ifdef CONFIG_PREBOOT
        struct kbd_data_t kbd_data;
        /* Decode keys */
-       uchar *str = strdup (key_match (get_keys (&kbd_data)));
+       char *str = strdup (key_match (get_keys (&kbd_data)));
        /* Set or delete definition */
        setenv ("preboot", str);
        free (str);
@@ -280,9 +300,9 @@ int board_early_init_r (void)
 {
        *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
        *(vu_long *)MPC5XXX_BOOTCS_START =
-       *(vu_long *)MPC5XXX_CS0_START = START_REG(CFG_FLASH_BASE);
+       *(vu_long *)MPC5XXX_CS0_START = START_REG(CONFIG_SYS_FLASH_BASE);
        *(vu_long *)MPC5XXX_BOOTCS_STOP =
-       *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CFG_FLASH_BASE, CFG_FLASH_SIZE);
+       *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(CONFIG_SYS_FLASH_BASE, CONFIG_SYS_FLASH_SIZE);
        return 0;
 }
 #ifdef CONFIG_PCI