Add a common get_ram_size() function and modify the the

board-specific files to invoke that common implementation.

1 files changed, 133 insertions, 164 deletions

diff --git a/board/siemens/IAD210/IAD210.c b/board/siemens/IAD210/IAD210.c
index 30adbfc..1243887 100644
--- a/board/siemens/IAD210/IAD210.c
+++ b/board/siemens/IAD210/IAD210.c
@@ -41,12 +41,11 @@ static long int dram_size (long int, long int *, long int);
 
 #define	_NOT_USED_	0xFFFFFFFF
 
-const uint sdram_table[] =
-{
+const uint sdram_table[] = {
 	/*
 	 * Single Read. (Offset 0 in UPMA RAM)
 	 */
-	0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */
+	0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47,	/* last */
 	_NOT_USED_,
 	/*
 	 * SDRAM Initialization (offset 5 in UPMA RAM)
@@ -56,46 +55,46 @@ const uint sdram_table[] =
 	 * sequence, which is executed by a RUN command.
 	 *
 	 */
-		    0xFFFAF834, 0xFFE5B435, /* last */
-					    _NOT_USED_,
+	0xFFFAF834, 0xFFE5B435,	/* last */
+	_NOT_USED_,
 	/*
 	 * Burst Read. (Offset 8 in UPMA RAM)
 	 */
 	0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00,
-	0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */
-					    _NOT_USED_,
+	0xF0AFFC00, 0xF0AAF800, 0xF1A5E447,	/* last */
+	_NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	/*
 	 * Single Write. (Offset 18 in UPMA RAM)
 	 */
-	0xFE29B300, 0xF1A27304, 0xFFA5F747,  /* last */
-					    _NOT_USED_,
+	0xFE29B300, 0xF1A27304, 0xFFA5F747,	/* last */
+	_NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	/*
 	 * Burst Write. (Offset 20 in UPMA RAM)
 	 */
 	0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
-	0xF1AAF804, 0xFFA5F447, /* last */
-				_NOT_USED_, _NOT_USED_,
+	0xF1AAF804, 0xFFA5F447,	/* last */
+	_NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
 	/*
 	 * Refresh  (Offset 30 in UPMA RAM)
 	 */
 	0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84,
-	0xFFAFFC07, /* last */
-		    _NOT_USED_, _NOT_USED_, _NOT_USED_,
+	0xFFAFFC07,		/* last */
+	_NOT_USED_, _NOT_USED_, _NOT_USED_,
 	/*
 	 * MRS sequence  (Offset 38 in UPMA RAM)
 	 */
-	0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */
-					    _NOT_USED_,
+	0xFFAAB834, 0xFFA57434, 0xFFAFFC05,	/* last */
+	_NOT_USED_,
 	/*
 	 * Exception. (Offset 3c in UPMA RAM)
 	 */
-	0xFFAFFC04, 0xFFAFFC05, /* last */
-				_NOT_USED_, _NOT_USED_,
+	0xFFAFFC04, 0xFFAFFC05,	/* last */
+	_NOT_USED_, _NOT_USED_,
 };
 
 /* ------------------------------------------------------------------------- */
@@ -103,82 +102,84 @@ const uint sdram_table[] =
 
 long int initdram (int board_type)
 {
-    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
-    volatile memctl8xx_t *memctl = &immap->im_memctl;
-    volatile iop8xx_t      *iop    = &immap->im_ioport;
-    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec;
-    long int size;
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	volatile iop8xx_t *iop = &immap->im_ioport;
+	volatile fec_t *fecp = &immap->im_cpm.cp_fec;
+	long int size;
 
-    upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+	upmconfig (UPMA, (uint *) sdram_table,
+		   sizeof (sdram_table) / sizeof (uint));
 
-    /*
-     * Preliminary prescaler for refresh (depends on number of
-     * banks): This value is selected for four cycles every 62.4 us
-     * with two SDRAM banks or four cycles every 31.2 us with one
-     * bank. It will be adjusted after memory sizing.
-     */
-    memctl->memc_mptpr = CFG_MPTPR;
+	/*
+	 * Preliminary prescaler for refresh (depends on number of
+	 * banks): This value is selected for four cycles every 62.4 us
+	 * with two SDRAM banks or four cycles every 31.2 us with one
+	 * bank. It will be adjusted after memory sizing.
+	 */
+	memctl->memc_mptpr = CFG_MPTPR;
 
-    memctl->memc_mar  = 0x00000088;
+	memctl->memc_mar = 0x00000088;
 
-    /*
-     * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
-     * preliminary addresses - these have to be modified after the
-     * SDRAM size has been determined.
-     */
-    memctl->memc_or2 = CFG_OR2_PRELIM;
-    memctl->memc_br2 = CFG_BR2_PRELIM;
+	/*
+	 * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
+	 * preliminary addresses - these have to be modified after the
+	 * SDRAM size has been determined.
+	 */
+	memctl->memc_or2 = CFG_OR2_PRELIM;
+	memctl->memc_br2 = CFG_BR2_PRELIM;
 
-    memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
+	memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE));	/* no refresh yet */
 
-    udelay(200);
+	udelay (200);
 
-    /* perform SDRAM initializsation sequence */
+	/* perform SDRAM initializsation sequence */
 
-    memctl->memc_mcr  = 0x80004105;	/* SDRAM bank 0 */
-    udelay(1);
-    memctl->memc_mcr  = 0x80004230;	/* SDRAM bank 0 - execute twice */
-    udelay(1);
+	memctl->memc_mcr = 0x80004105;	/* SDRAM bank 0 */
+	udelay (1);
+	memctl->memc_mcr = 0x80004230;	/* SDRAM bank 0 - execute twice */
+	udelay (1);
 
-    memctl->memc_mcr  = 0x80004105;	/* SDRAM precharge */
-    udelay(1);
-    memctl->memc_mcr  = 0x80004030;	/* SDRAM 16x autorefresh */
-    udelay(1);
-    memctl->memc_mcr  = 0x80004138;	/* SDRAM upload parameters */
-    udelay(1);
+	memctl->memc_mcr = 0x80004105;	/* SDRAM precharge */
+	udelay (1);
+	memctl->memc_mcr = 0x80004030;	/* SDRAM 16x autorefresh */
+	udelay (1);
+	memctl->memc_mcr = 0x80004138;	/* SDRAM upload parameters */
+	udelay (1);
 
-    memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
+	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
 
-    udelay (1000);
+	udelay (1000);
 
-    /*
-     * Check Bank 0 Memory Size for re-configuration
-     *
-     */
-    size = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE);
+	/*
+	 * Check Bank 0 Memory Size for re-configuration
+	 *
+	 */
+	size = dram_size (CFG_MAMR, (ulong *) SDRAM_BASE_PRELIM,
+			  SDRAM_MAX_SIZE);
 
-    udelay (1000);
+	udelay (1000);
 
 
-    memctl->memc_mamr = CFG_MAMR;
-    udelay (1000);
+	memctl->memc_mamr = CFG_MAMR;
+	udelay (1000);
 
-    /*
-     * Final mapping
-     */
-    memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM;
-    memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V);
+	/*
+	 * Final mapping
+	 */
+	memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM;
+	memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V);
 
-    udelay(10000);
+	udelay (10000);
 
-    /* prepare pin multiplexing for fast ethernet */
+	/* prepare pin multiplexing for fast ethernet */
 
-    atmLoad();
-    fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */
-    iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+	atmLoad ();
+	fecp->fec_ecntrl = 0x00000004;	/* rev D3 pinmux SET */
+	iop->iop_pdpar |= 0x0080;	/* set pin as MII_clock */
 
 
-    return (size);
+	return (size);
 }
 
 /* ------------------------------------------------------------------------- */
@@ -191,46 +192,15 @@ 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;
-    volatile long int	 *addr;
-    ulong		  cnt, val;
-    ulong		  save[32];	/* to make test non-destructive */
-    unsigned char	  i = 0;
-
-    memctl->memc_mamr = mamr_value;
-
-    for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
-	addr = base + cnt;	/* pointer arith! */
-
-	save[i++] = *addr;
-	*addr = ~cnt;
-    }
-
-    /* write 0 to base address */
-    addr = base;
-    save[i] = *addr;
-    *addr = 0;
-
-    /* check at base address */
-    if ((val = *addr) != 0) {
-	*addr = save[i];
-	return (0);
-    }
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
 
-    for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
-	addr = base + cnt;	/* pointer arith! */
+	memctl->memc_mamr = mamr_value;
 
-	val = *addr;
-	*addr = save[--i];
-
-	if (val != (~cnt)) {
-	    return (cnt * sizeof(long));
-	}
-    }
-    return (maxsize);
+	return (get_ram_size (base, maxsize));
 }
 
 /*
@@ -239,79 +209,78 @@ static long int dram_size (long int mamr_value, long int *base, long int maxsize
 
 int checkboard (void)
 {
-    return (0);
+	return (0);
 }
 
-void board_serial_init(void)
+void board_serial_init (void)
 {
-  ;/* nothing to do here */
+	;			/* nothing to do here */
 }
 
-void board_ether_init(void)
+void board_ether_init (void)
 {
-    volatile immap_t       *immap  = (immap_t *)CFG_IMMR;
-    volatile iop8xx_t      *iop    = &immap->im_ioport;
-    volatile fec_t         *fecp   = &immap->im_cpm.cp_fec;
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile iop8xx_t *iop = &immap->im_ioport;
+	volatile fec_t *fecp = &immap->im_cpm.cp_fec;
 
-  atmLoad();
-  fecp->fec_ecntrl = 0x00000004;  /* rev D3 pinmux SET */
-  iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+	atmLoad ();
+	fecp->fec_ecntrl = 0x00000004;	/* rev D3 pinmux SET */
+	iop->iop_pdpar |= 0x0080;	/* set pin as MII_clock */
 }
 
 int board_pre_init (void)
 {
-    volatile immap_t       *immap  = (immap_t *)CFG_IMMR;
-    volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
-    volatile memctl8xx_t   *memctl = &immap->im_memctl;
-    volatile iop8xx_t      *iop    = &immap->im_ioport;
-
-  /* configure the LED timing output pins - port A pin 4 */
-    iop->iop_papar = 0x0800;
-    iop->iop_padir = 0x0800;
-
-  /* start timer 2 for the 4hz LED blink rate */
-    timers->cpmt_tmr2 = 0xff2c;     /* 4hz for 64mhz */
-    timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */
-    timers->cpmt_tgcr = 0x00000810; /* run timer 2 */
-
-  /* chip select for PLD access */
-    memctl->memc_br6  = 0x10000401;
-    memctl->memc_or6  = 0xFC000908;
-
-  /* PLD initial values ( set LEDs, remove reset on LXT) */
-
-    *PLD_GCR1_REG = 0x06;
-    *PLD_EXT_RES  = 0xC0;
-    *PLD_EXT_FETH = 0x40;
-    *PLD_EXT_LED  = 0xFF;
-    *PLD_EXT_X21  = 0x04;
-    return 0;
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
+	volatile memctl8xx_t *memctl = &immap->im_memctl;
+	volatile iop8xx_t *iop = &immap->im_ioport;
+
+	/* configure the LED timing output pins - port A pin 4 */
+	iop->iop_papar = 0x0800;
+	iop->iop_padir = 0x0800;
+
+	/* start timer 2 for the 4hz LED blink rate */
+	timers->cpmt_tmr2 = 0xff2c;	/* 4hz for 64mhz */
+	timers->cpmt_trr2 = 0x000003d0;	/* clk/16 , prescale=256 */
+	timers->cpmt_tgcr = 0x00000810;	/* run timer 2 */
+
+	/* chip select for PLD access */
+	memctl->memc_br6 = 0x10000401;
+	memctl->memc_or6 = 0xFC000908;
+
+	/* PLD initial values ( set LEDs, remove reset on LXT) */
+
+	*PLD_GCR1_REG = 0x06;
+	*PLD_EXT_RES = 0xC0;
+	*PLD_EXT_FETH = 0x40;
+	*PLD_EXT_LED = 0xFF;
+	*PLD_EXT_X21 = 0x04;
+	return 0;
 }
 
-void board_get_enetaddr (uchar *addr)
+void board_get_enetaddr (uchar * addr)
 {
-    int i;
-    volatile immap_t     *immap  = (immap_t *)CFG_IMMR;
-    volatile cpm8xx_t	 *cpm    = &immap->im_cpm;
-    unsigned int rccrtmp;
-
-    char default_mac_addr[] = {0x00, 0x08, 0x01, 0x02, 0x03, 0x04};
-
-    for (i=0; i<6; i++)
-      addr[i] = default_mac_addr[i];
+	int i;
+	volatile immap_t *immap = (immap_t *) CFG_IMMR;
+	volatile cpm8xx_t *cpm = &immap->im_cpm;
+	unsigned int rccrtmp;
 
-    printf("There is an error in the i2c driver .. /n");
-    printf("You need to fix it first....../n");
+	char default_mac_addr[] = { 0x00, 0x08, 0x01, 0x02, 0x03, 0x04 };
 
-    rccrtmp = cpm->cp_rccr;
-    cpm->cp_rccr |= 0x0020;
+	for (i = 0; i < 6; i++)
+		addr[i] = default_mac_addr[i];
 
-    i2c_reg_read(0xa0, 0);
-    printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
-     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0),
-     i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0) );
+	printf ("There is an error in the i2c driver .. /n");
+	printf ("You need to fix it first....../n");
 
-    cpm->cp_rccr = rccrtmp;
+	rccrtmp = cpm->cp_rccr;
+	cpm->cp_rccr |= 0x0020;
 
+	i2c_reg_read (0xa0, 0);
+	printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
+		i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0),
+		i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0),
+		i2c_reg_read (0xa0, 0), i2c_reg_read (0xa0, 0));
 
+	cpm->cp_rccr = rccrtmp;
 }