diff options
Diffstat (limited to 'board/r360mpi/r360mpi.c')
| -rw-r--r-- | board/r360mpi/r360mpi.c | 156 | 
1 files changed, 89 insertions, 67 deletions
| diff --git a/board/r360mpi/r360mpi.c b/board/r360mpi/r360mpi.c index d7b8873ee..91e3234e2 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) { |