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Diffstat (limited to 'board/r360mpi/r360mpi.c')
-rw-r--r--board/r360mpi/r360mpi.c156
1 files changed, 89 insertions, 67 deletions
diff --git a/board/r360mpi/r360mpi.c b/board/r360mpi/r360mpi.c
index d7b8873..91e3234 100644
--- a/board/r360mpi/r360mpi.c
+++ b/board/r360mpi/r360mpi.c
@@ -126,12 +126,12 @@ long int initdram (int board_type)
memctl->memc_mar = 0x00000088;
/*
- * Map controller bank 1 to the SDRAM bank at
+ * Map controller bank 2 to the SDRAM bank at
* preliminary address - these have to be modified after the
* SDRAM size has been determined.
*/
- memctl->memc_or1 = CFG_OR1_PRELIM;
- memctl->memc_br1 = CFG_BR1_PRELIM;
+ memctl->memc_or2 = CFG_OR2_PRELIM;
+ memctl->memc_br2 = CFG_BR2_PRELIM;
memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
@@ -139,9 +139,9 @@ long int initdram (int board_type)
/* perform SDRAM initializsation sequence */
- memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
udelay (200);
- memctl->memc_mcr = 0x80002230; /* SDRAM bank 0 - execute twice */
+ memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
udelay (200);
memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
@@ -153,7 +153,7 @@ long int initdram (int board_type)
*
* try 8 column mode
*/
- size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE1_PRELIM,
+ size8 = dram_size (CFG_MAMR_8COL, (ulong *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE);
udelay (1000);
@@ -161,13 +161,13 @@ long int initdram (int board_type)
/*
* try 9 column mode
*/
- size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE1_PRELIM,
+ size9 = dram_size (CFG_MAMR_9COL, (ulong *) SDRAM_BASE2_PRELIM,
SDRAM_MAX_SIZE);
if (size8 < size9) { /* leave configuration at 9 columns */
size_b0 = size9;
/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */
- } else { /* back to 8 columns */
+ } else { /* back to 8 columns */
size_b0 = size8;
memctl->memc_mamr = CFG_MAMR_8COL;
udelay (500);
@@ -200,6 +200,47 @@ long int initdram (int board_type)
udelay (10000);
+#ifdef CONFIG_CAN_DRIVER
+ /* Initialize OR3 / BR3 */
+ memctl->memc_or3 = CFG_OR3_CAN; /* switch GPLB_5 to GPLA_5 */
+ memctl->memc_br3 = CFG_BR3_CAN;
+
+ /* Initialize MBMR */
+ memctl->memc_mbmr = MAMR_GPL_B4DIS; /* GPL_B4 works as UPWAITB */
+
+ /* Initialize UPMB for CAN: single read */
+ memctl->memc_mdr = 0xFFFFC004;
+ memctl->memc_mcr = 0x0100 | UPMB;
+
+ memctl->memc_mdr = 0x0FFFD004;
+ memctl->memc_mcr = 0x0101 | UPMB;
+
+ memctl->memc_mdr = 0x0FFFC000;
+ memctl->memc_mcr = 0x0102 | UPMB;
+
+ memctl->memc_mdr = 0x3FFFC004;
+ memctl->memc_mcr = 0x0103 | UPMB;
+
+ memctl->memc_mdr = 0xFFFFDC05;
+ memctl->memc_mcr = 0x0104 | UPMB;
+
+ /* Initialize UPMB for CAN: single write */
+ memctl->memc_mdr = 0xFFFCC004;
+ memctl->memc_mcr = 0x0118 | UPMB;
+
+ memctl->memc_mdr = 0xCFFCD004;
+ memctl->memc_mcr = 0x0119 | UPMB;
+
+ memctl->memc_mdr = 0x0FFCC000;
+ memctl->memc_mcr = 0x011A | UPMB;
+
+ memctl->memc_mdr = 0x7FFCC004;
+ memctl->memc_mcr = 0x011B | UPMB;
+
+ memctl->memc_mdr = 0xFFFDCC05;
+ memctl->memc_mcr = 0x011C | UPMB;
+#endif
+
return (size_b0);
}
@@ -213,8 +254,8 @@ long int initdram (int board_type)
* - short between data lines
*/
-static long int dram_size (long int mamr_value, long int *base,
- long int maxsize)
+static long int dram_size (long int mamr_value,
+ long int *base, long int maxsize)
{
volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
@@ -257,10 +298,10 @@ static long int dram_size (long int mamr_value, long int *base,
/* ------------------------------------------------------------------------- */
-void r360_pwm_write (uchar reg, uchar val)
+void r360_i2c_lcd_write (uchar data0, uchar data1)
{
- if (i2c_write (CFG_I2C_PWM_ADDR, reg, 1, &val, 1)) {
- printf ("Can't write PWM register 0x%02X.\n", reg);
+ if (i2c_write (CFG_I2C_LCD_ADDR, data0, 1, &data1, 1)) {
+ printf("Can't write lcd data 0x%02X 0x%02X.\n", data0, data1);
}
}
@@ -271,10 +312,8 @@ void r360_pwm_write (uchar reg, uchar val)
*/
/* Number of bytes returned from Keyboard Controller */
-#define KEYBD_KEY_MAX 20 /* maximum key number */
-#define KEYBD_DATALEN ((KEYBD_KEY_MAX + 7) / 8) /* normal key scan data */
-
-static uchar kbd_addr = CFG_I2C_KBD_ADDR;
+#define KEYBD_KEY_MAX 16 /* maximum key number */
+#define KEYBD_DATALEN ((KEYBD_KEY_MAX + 7) / 8) /* normal key scan data */
static uchar *key_match (uchar *);
@@ -287,14 +326,14 @@ int misc_init_r (void)
i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
- i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN);
+ i2c_read (CFG_I2C_KEY_ADDR, 0, 0, kbd_data, KEYBD_DATALEN);
for (i = 0; i < KEYBD_DATALEN; ++i) {
sprintf (keybd_env + i + i, "%02X", kbd_data[i]);
}
setenv ("keybd", keybd_env);
- str = strdup (key_match (kbd_data)); /* decode keys */
+ str = strdup (key_match (keybd_env)); /* decode keys */
#ifdef CONFIG_PREBOOT /* automatically configure "preboot" command on key match */
setenv ("preboot", str); /* set or delete definition */
@@ -324,16 +363,13 @@ int misc_init_r (void)
static uchar kbd_magic_prefix[] = "key_magic";
static uchar kbd_command_prefix[] = "key_cmd";
-static uchar *key_match (uchar * kbd_data)
+static uchar *key_match (uchar * kbd_str)
{
- uchar compare[KEYBD_DATALEN];
uchar magic[sizeof (kbd_magic_prefix) + 1];
uchar cmd_name[sizeof (kbd_command_prefix) + 1];
- uchar key_mask;
- uchar *str, *nxt, *suffix;
+ uchar *str, *suffix;
uchar *kbd_magic_keys;
char *cmd;
- int i;
/*
* The following string defines the characters that can pe appended
@@ -343,62 +379,48 @@ static uchar *key_match (uchar * kbd_data)
* "key_magic" is checked (old behaviour); the string "125" causes
* checks for "key_magic1", "key_magic2" and "key_magic5", etc.
*/
- if ((kbd_magic_keys = getenv ("magic_keys")) == NULL)
- kbd_magic_keys = "";
+ if ((kbd_magic_keys = getenv ("magic_keys")) != NULL) {
+ /* loop over all magic keys;
+ * use '\0' suffix in case of empty string
+ */
+ for (suffix = kbd_magic_keys;
+ *suffix || suffix == kbd_magic_keys;
+ ++suffix) {
+ sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
- /* loop over all magic keys;
- * use '\0' suffix in case of empty string
- */
- for (suffix=kbd_magic_keys; *suffix || suffix==kbd_magic_keys; ++suffix) {
- sprintf (magic, "%s%c", kbd_magic_prefix, *suffix);
#if 0
- printf ("### Check magic \"%s\"\n", magic);
+ printf ("### Check magic \"%s\"\n", magic);
#endif
- memcpy(compare, kbd_data, KEYBD_DATALEN);
-
- for (str = getenv(magic); str != NULL; str = (*nxt) ? nxt+1 : nxt) {
- uchar c;
-
- c = (uchar) simple_strtoul (str, (char **) (&nxt), 16);
-
- if (str == nxt) /* invalid character */
- break;
-
- if (c >= KEYBD_KEY_MAX) /* bad key number */
- goto next_magic;
-
- key_mask = 0x80 >> (c % 8);
-
- if (!(compare[c / 8] & key_mask)) /* key not pressed */
- goto next_magic;
+ if ((str = getenv (magic)) != 0) {
- compare[c / 8] &= ~key_mask;
- }
-
- for (i=0; i<KEYBD_DATALEN; i++)
- if (compare[i]) /* key(s) not released */
- goto next_magic;
-
- sprintf (cmd_name, "%s%c", kbd_command_prefix, *suffix);
-
- cmd = getenv (cmd_name);
#if 0
- printf ("### Set PREBOOT to $(%s): \"%s\"\n",
- cmd_name, cmd ? cmd : "<<NULL>>");
+ printf ("### Compare \"%s\" \"%s\"\n",
+ kbd_str, str);
#endif
- *kbd_data = *suffix;
- return (cmd);
+ if (strcmp (kbd_str, str) == 0) {
+ sprintf (cmd_name, "%s%c",
+ kbd_command_prefix,
+ *suffix);
- next_magic:;
+ if ((cmd = getenv (cmd_name)) != 0) {
+#if 0
+ printf ("### Set PREBOOT to $(%s): \"%s\"\n",
+ cmd_name, cmd);
+#endif
+ return (cmd);
+ }
+ }
+ }
+ }
}
#if 0
printf ("### Delete PREBOOT\n");
#endif
- *kbd_data = '\0';
+ *kbd_str = '\0';
return (NULL);
}
-#endif /* CONFIG_PREBOOT */
+#endif /* CONFIG_PREBOOT */
/* Read Keyboard status */
int do_kbd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
@@ -410,7 +432,7 @@ int do_kbd (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
/* Read keys */
- i2c_read (kbd_addr, 0, 0, kbd_data, KEYBD_DATALEN);
+ i2c_read (CFG_I2C_KEY_ADDR, 0, 0, kbd_data, KEYBD_DATALEN);
puts ("Keys:");
for (i = 0; i < KEYBD_DATALEN; ++i) {
generated by cgit v1.1 at 2024-11-18 12:57:33 +0000