diff options
Diffstat (limited to 'board/iphase4539/iphase4539.c')
| -rw-r--r-- | board/iphase4539/iphase4539.c | 458 | 
1 files changed, 458 insertions, 0 deletions
| diff --git a/board/iphase4539/iphase4539.c b/board/iphase4539/iphase4539.c new file mode 100644 index 000000000..45f3dad36 --- /dev/null +++ b/board/iphase4539/iphase4539.c @@ -0,0 +1,458 @@ +/* + * (C) Copyright 2002 Wolfgang Grandegger <wg@denx.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * 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 + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <ioports.h> +#include <mpc8260.h> +#include <asm/io.h> +#include <asm/immap_8260.h> + +int hwc_flash_size (void); +int hwc_local_sdram_size (void); +int hwc_main_sdram_size (void); +int hwc_serial_number (void); +int hwc_mac_address (char *str); +int hwc_manufact_date (char *str); +int seeprom_read (int addr, uchar * data, int size); + +/* + * I/O Port configuration table + * + * if conf is 1, then that port pin will be configured at boot time + * according to the five values podr/pdir/ppar/psor/pdat for that entry + * + * The port definitions are taken from the old firmware (see + * also SYS/H/4539.H): + * + *        ppar      psor        pdir       podr       pdat + * PA: 0x02ffffff 0x02c00000 0xfc403fe6 0x00000000 0x02403fc0 + * PB: 0x0fffdeb0 0x000000b0 0x0f032347 0x00000000 0x0f000290 + * PC: 0x030ffa55 0x030f0040 0xbcf005ea 0x00000000 0xc0c0ba7d + * PD: 0x09c04e3c 0x01000e3c 0x0a7ff1c3 0x00000000 0x00ce0ae9 + */ +const iop_conf_t iop_conf_tab[4][32] = { + +	/* Port A configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 1, 0, 0, 0, 0},		/* PA31 FCC1_TXENB  SLAVE */ +	 {0, 1, 0, 1, 0, 0},		/* PA30 FCC1_TXCLAV SLAVE */ +	 {0, 1, 0, 1, 0, 0},		/* PA29 FCC1_TXSOC */ +	 {0, 1, 0, 0, 0, 0},		/* PA28 FCC1_RXENB  SLAVE */ +	 {0, 1, 0, 0, 0, 0},		/* PA27 FCC1_RXSOC */ +	 {0, 1, 0, 1, 0, 0},		/* PA26 FCC1_RXCLAV SLAVE */ +	 {0, 1, 0, 1, 0, 1},		/* PA25 FCC1_TXD0 */ +	 {0, 1, 0, 1, 0, 1},		/* PA24 FCC1_TXD1 */ +	 {0, 1, 0, 1, 0, 1},		/* PA23 FCC1_TXD2 */ +	 {0, 1, 0, 1, 0, 1},		/* PA22 FCC1_TXD3 */ +	 {0, 1, 0, 1, 0, 1},		/* PA21 FCC1_TXD4 */ +	 {0, 1, 0, 1, 0, 1},		/* PA20 FCC1_TXD5 */ +	 {0, 1, 0, 1, 0, 1},		/* PA19 FCC1_TXD6 */ +	 {0, 1, 0, 1, 0, 1},		/* PA18 FCC1_TXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PA17 FCC1_RXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PA16 FCC1_RXD6 */ +	 {0, 1, 0, 0, 0, 0},		/* PA15 FCC1_RXD5 */ +	 {0, 1, 0, 0, 0, 0},		/* PA14 FCC1_RXD4 */ +	 {0, 1, 0, 0, 0, 0},		/* PA13 FCC1_RXD3 */ +	 {0, 1, 0, 0, 0, 0},		/* PA12 FCC1_RXD2 */ +	 {0, 1, 0, 0, 0, 0},		/* PA11 FCC1_RXD1 */ +	 {0, 1, 0, 0, 0, 0},		/* PA10 FCC1_RXD0 */ +	 {0, 1, 1, 1, 0, 1},		/* PA9  TDMA1_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PA8  TDMA1_L1RXD */ +	 {0, 0, 0, 0, 0, 0},		/* PA7  CONFIG0 */ +	 {0, 1, 1, 0, 0, 1},		/* PA6  TDMA1_L1RSYNC */ +	 {0, 0, 0, 1, 0, 0},		/* PA5  FCC2:RxAddr[2] */ +	 {0, 0, 0, 1, 0, 0},		/* PA4  FCC2:RxAddr[1] */ +	 {0, 0, 0, 1, 0, 0},		/* PA3  FCC2:RxAddr[0] */ +	 {0, 0, 0, 1, 0, 0},		/* PA2  FCC2:TxAddr[0] */ +	 {0, 0, 0, 1, 0, 0},		/* PA1  FCC2:TxAddr[1] */ +	 {0, 0, 0, 1, 0, 0}			/* PA0  FCC2:TxAddr[2] */ +	 }, +	/* Port B configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 0, 0, 1, 0, 0},		/* PB31 FCC2_RXSOC */ +	 {0, 0, 0, 1, 0, 0},		/* PB30 FCC2_TXSOC */ +	 {0, 0, 0, 1, 0, 0},		/* PB29 FCC2_RXCLAV */ +	 {0, 0, 0, 0, 0, 0},		/* PB28 CONFIG2 */ +	 {0, 1, 1, 0, 0, 1},		/* PB27 FCC2_TXD0 */ +	 {0, 1, 1, 0, 0, 0},		/* PB26 FCC2_TXD1 */ +	 {0, 0, 0, 1, 0, 0},		/* PB25 FCC2_TXD4 */ +	 {0, 1, 1, 0, 0, 1},		/* PB24 FCC2_TXD5 */ +	 {0, 0, 0, 1, 0, 0},		/* PB23 FCC2_TXD6 */ +	 {0, 1, 0, 1, 0, 1},		/* PB22 FCC2_TXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PB21 FCC2_RXD7 */ +	 {0, 1, 0, 0, 0, 0},		/* PB20 FCC2_RXD6 */ +	 {0, 1, 0, 0, 0, 0},		/* PB19 FCC2_RXD5 */ +	 {0, 0, 0, 1, 0, 0},		/* PB18 FCC2_RXD4 */ +	 {1, 1, 0, 0, 0, 0},		/* PB17 FCC3_RX_DV */ +	 {1, 1, 0, 0, 0, 0},		/* PB16 FCC3_RX_ER */ +	 {1, 1, 0, 1, 0, 0},		/* PB15 FCC3_TX_ER */ +	 {1, 1, 0, 1, 0, 0},		/* PB14 FCC3_TX_EN */ +	 {1, 1, 0, 0, 0, 0},		/* PB13 FCC3_COL */ +	 {1, 1, 0, 0, 0, 0},		/* PB12 FCC3_CRS */ +	 {1, 1, 0, 0, 0, 0},		/* PB11 FCC3_RXD3 */ +	 {1, 1, 0, 0, 0, 0},		/* PB10 FCC3_RXD2 */ +	 {1, 1, 0, 0, 0, 0},		/* PB9  FCC3_RXD1 */ +	 {1, 1, 0, 0, 0, 0},		/* PB8  FCC3_RXD0 */ +	 {1, 1, 0, 1, 0, 1},		/* PB7  FCC3_TXD0 */ +	 {1, 1, 0, 1, 0, 1},		/* PB6  FCC3_TXD1 */ +	 {1, 1, 0, 1, 0, 1},		/* PB5  FCC3_TXD2 */ +	 {1, 1, 0, 1, 0, 1},		/* PB4  FCC3_TXD3 */ +	 {0, 0, 0, 0, 0, 0},		/* PB3  */ +	 {0, 0, 0, 0, 0, 0},		/* PB2  */ +	 {0, 0, 0, 0, 0, 0},		/* PB1  */ +	 {0, 0, 0, 0, 0, 0},		/* PB0  */ +	 }, +	/* Port C configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 1, 0, 0, 0, 1},		/* PC31 CLK1 */ +	 {0, 0, 0, 1, 0, 0},		/* PC30 U1MASTER_N */ +	 {0, 1, 0, 0, 0, 1},		/* PC29 CLK3 */ +	 {0, 0, 0, 1, 0, 1},		/* PC28 -MT90220_RST */ +	 {0, 1, 0, 0, 0, 1},		/* PC27 CLK5 */ +	 {0, 0, 0, 1, 0, 1},		/* PC26 -QUADFALC_RST */ +	 {0, 1, 1, 1, 0, 1},		/* PC25 BRG4 */ +	 {1, 0, 0, 1, 0, 0},		/* PC24 MDIO */ +	 {1, 0, 0, 1, 0, 0},		/* PC23 MDC */ +	 {0, 1, 0, 0, 0, 1},		/* PC22 CLK10 */ +	 {0, 0, 0, 1, 0, 0},		/* PC21  */ +	 {0, 1, 0, 0, 0, 1},		/* PC20 CLK12 */ +	 {0, 1, 0, 0, 0, 1},		/* PC19 CLK13 */ +	 {1, 1, 0, 0, 0, 1},		/* PC18 CLK14 */ +	 {0, 1, 0, 0, 0, 0},		/* PC17 CLK15 */ +	 {1, 1, 0, 0, 0, 1},		/* PC16 CLK16 */ +	 {0, 1, 1, 0, 0, 0},		/* PC15 FCC1_TXADDR0 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC14 FCC1_RXADDR0 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC13 FCC1_TXADDR1 SLAVE */ +	 {0, 1, 1, 0, 0, 0},		/* PC12 FCC1_RXADDR1 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PC11 FCC2_RXD2 */ +	 {0, 0, 0, 1, 0, 0},		/* PC10 FCC2_RXD3 */ +	 {0, 0, 0, 1, 0, 1},		/* PC9  LTMODE */ +	 {0, 0, 0, 1, 0, 1},		/* PC8  SELSYNC */ +	 {0, 1, 1, 0, 0, 0},		/* PC7  FCC1_TXADDR2 SLAVE  */ +	 {0, 1, 1, 0, 0, 0},		/* PC6  FCC1_RXADDR2 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PC5  FCC2_TXCLAV MASTER */ +	 {0, 0, 0, 1, 0, 0},		/* PC4  FCC2_RXENB MASTER */ +	 {0, 0, 0, 1, 0, 0},		/* PC3  FCC2_TXD2 */ +	 {0, 0, 0, 1, 0, 0},		/* PC2  FCC2_TXD3 */ +	 {0, 0, 0, 0, 0, 1},		/* PC1  PTMC -PTEENB */ +	 {0, 0, 0, 1, 0, 1},		/* PC0  COMCLK_N */ +	 }, +	/* Port D configuration */ +	{							/* conf ppar psor pdir podr pdat */ +	 {0, 0, 0, 1, 0, 1},		/* PD31 -CAM_RST */ +	 {0, 0, 0, 1, 0, 0},		/* PD30 FCC2_TXENB */ +	 {0, 1, 1, 0, 0, 0},		/* PD29 FCC1_RXADDR3 SLAVE */ +	 {0, 1, 1, 0, 0, 1},		/* PD28 TDMC1_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD27 TDMC1_L1RXD */ +	 {0, 1, 1, 0, 0, 1},		/* PD26 TDMC1_L1RSYNC */ +	 {0, 0, 0, 1, 0, 1},		/* PD25 LED0 -OFF */ +	 {0, 0, 0, 1, 0, 1},		/* PD24 LED5 -OFF */ +	 {1, 0, 0, 1, 0, 1},		/* PD23 -LXT971_RST */ +	 {0, 1, 1, 0, 0, 1},		/* PD22 TDMA2_L1TXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD21 TDMA2_L1RXD */ +	 {0, 1, 1, 0, 0, 1},		/* PD20 TDMA2_L1RSYNC */ +	 {0, 0, 0, 1, 0, 0},		/* PD19 FCC2_TXADDR3 */ +	 {0, 0, 0, 1, 0, 0},		/* PD18 FCC2_RXADDR3 */ +	 {0, 1, 0, 1, 0, 0},		/* PD17 BRG2 */ +	 {0, 0, 0, 1, 0, 0},		/* PD16  */ +	 {0, 0, 0, 1, 0, 0},		/* PD15 PT2TO1 */ +	 {0, 0, 0, 1, 0, 1},		/* PD14 PT4TO3 */ +	 {0, 0, 0, 1, 0, 1},		/* PD13 -SWMODE */ +	 {0, 0, 0, 1, 0, 1},		/* PD12 -PTMODE */ +	 {0, 0, 0, 1, 0, 0},		/* PD11 FCC2_RXD0 */ +	 {0, 0, 0, 1, 0, 0},		/* PD10 FCC2_RXD1 */ +	 {1, 1, 0, 1, 0, 1},		/* PD9  SMC1_SMTXD */ +	 {1, 1, 0, 0, 0, 1},		/* PD8  SMC1_SMRXD */ +	 {0, 1, 1, 0, 0, 0},		/* PD7  FCC1_TXADDR3 SLAVE */ +	 {0, 0, 0, 1, 0, 0},		/* PD6  IMAMODE */ +	 {0, 0, 0, 0, 0, 0},		/* PD5  CONFIG2 */ +	 {0, 1, 0, 1, 0, 0},		/* PD4  BRG8 */ +	 {0, 0, 0, 0, 0, 0},		/* PD3  */ +	 {0, 0, 0, 0, 0, 0},		/* PD2  */ +	 {0, 0, 0, 0, 0, 0},		/* PD1  */ +	 {0, 0, 0, 0, 0, 0},		/* PD0  */ +	 } +}; + +long int initdram (int board_type) +{ +	volatile immap_t *immap = (immap_t *) CFG_IMMR; +	volatile memctl8260_t *memctl = &immap->im_memctl; +	volatile uchar *base; +	volatile ulong *addr, cnt, val; +	ulong save[32];				/* to make test non-destructive */ +	int i, maxsize; + +	memctl->memc_psrt = CFG_PSRT; +	memctl->memc_mptpr = CFG_MPTPR; + +#ifndef CFG_RAMBOOT +	immap->im_siu_conf.sc_ppc_acr = 0x00000026; +	immap->im_siu_conf.sc_ppc_alrh = 0x01276345; +	immap->im_siu_conf.sc_ppc_alrl = 0x89ABCDEF; +	immap->im_siu_conf.sc_lcl_acr = 0x00000000; +	immap->im_siu_conf.sc_lcl_alrh = 0x01234567; +	immap->im_siu_conf.sc_lcl_alrl = 0x89ABCDEF; +	immap->im_siu_conf.sc_tescr1 = 0x00004000; +	immap->im_siu_conf.sc_ltescr1 = 0x00004000; + +	/* Init Main SDRAM */ +#define OP_VALUE   0x404A241A +#define OP_VALUE_M (OP_VALUE & 0x87FFFFFF); +	base = (uchar *) CFG_SDRAM_BASE; +	memctl->memc_psdmr = 0x28000000 | OP_VALUE_M; +	*base = 0xFF; +	memctl->memc_psdmr = 0x08000000 | OP_VALUE_M; +	for (i = 0; i < 8; i++) +		*base = 0xFF; +	memctl->memc_psdmr = 0x18000000 | OP_VALUE_M; +	*(base + 0x110) = 0xFF; +	memctl->memc_psdmr = OP_VALUE; +	memctl->memc_lsdmr = 0x4086A522; +	*base = 0xFF; + +	/* We must be able to test a location outsize the maximum legal size +	 * to find out THAT we are outside; but this address still has to be +	 * mapped by the controller. That means, that the initial mapping has +	 * to be (at least) twice as large as the maximum expected size. +	 */ +	maxsize = (1 + (~memctl->memc_or1 | 0x7fff)) / 2; + +	/* +	 * Check memory range for valid RAM. A simple memory test determines +	 * the actually available RAM size between addresses `base' and +	 * `base + maxsize'. Some (not all) hardware errors are detected: +	 * - short between address lines +	 * - short between data lines +	 */ +	i = 0; +	for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { +		addr = (volatile ulong *) base + cnt;	/* pointer arith! */ +		save[i++] = *addr; +		*addr = ~cnt; +	} + +	addr = (volatile ulong *) base; +	save[i] = *addr; +	*addr = 0; + +	if ((val = *addr) != 0) { +		*addr = save[i]; +		return (0); +	} + +	for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { +		addr = (volatile ulong *) base + cnt;	/* pointer arith! */ +		val = *addr; +		*addr = save[--i]; +		if (val != ~cnt) { +			/* Write the actual size to ORx +			 */ +			memctl->memc_or1 |= ~(cnt * sizeof (long) - 1); +			maxsize = cnt * sizeof (long) / 2; +			break; +		} +	} + +	maxsize *= 2; +	if (maxsize != hwc_main_sdram_size ()) +		printf ("Oops: memory test has not found all memory!\n"); +#endif + +	icache_enable (); +	/* return total ram size of SDRAM */ +	return (maxsize); +} + +int checkboard (void) +{ +	char string[32]; + +	hwc_manufact_date (string); + +	printf ("Board: Interphase 4539 (#%d %s)\n", +		hwc_serial_number (), +		string); + +#ifdef DEBUG +	printf ("Manufacturing date: %s\n", string); +	printf ("Serial number     : %d\n", hwc_serial_number ()); +	printf ("FLASH size        : %d MB\n", hwc_flash_size () >> 20); +	printf ("Main SDRAM size   : %d MB\n", hwc_main_sdram_size () >> 20); +	printf ("Local SDRAM size  : %d MB\n", hwc_local_sdram_size () >> 20); +	hwc_mac_address (string); +	printf ("MAC address       : %s\n", string); +#endif + +	return 0; +} + +int misc_init_r (void) +{ +	char *s, str[32]; +	int num; + +	if ((s = getenv ("serial#")) == NULL && +		(num = hwc_serial_number ()) != -1) { +		sprintf (str, "%06d", num); +		setenv ("serial#", str); +	} +	if ((s = getenv ("ethaddr")) == NULL && hwc_mac_address (str) == 0) { +		setenv ("ethaddr", str); +	} +	return (0); +} + +/*************************************************************** + * We take some basic Hardware Configuration Parameter from the + * Serial EEPROM conected to the PSpan bridge. We keep it as + * simple as possible. + */ +int hwc_flash_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x40, &byte, sizeof (byte))) { +		switch ((byte >> 2) & 0x3) { +		case 0x1: +			return 0x0400000; +			break; +		case 0x2: +			return 0x0800000; +			break; +		case 0x3: +			return 0x1000000; +		default: +			return 0x0100000; +		} +	} +	return -1; +} +int hwc_local_sdram_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x40, &byte, sizeof (byte))) { +		switch ((byte & 0x03)) { +		case 0x1: +			return 0x0800000; +		case 0x2: +			return 0x1000000; +		default: +			return 0;			/* not present */ +		} +	} +	return -1; +} +int hwc_main_sdram_size (void) +{ +	uchar byte; + +	if (!seeprom_read (0x41, &byte, sizeof (byte))) { +		return 0x1000000 << ((byte >> 5) & 0x7); +	} +	return -1; +} +int hwc_serial_number (void) +{ +	int sn = -1; + +	if (!seeprom_read (0xa0, (char *) &sn, sizeof (sn))) { +		sn = cpu_to_le32 (sn); +	} +	return sn; +} +int hwc_mac_address (char *str) +{ +	char mac[6]; + +	if (!seeprom_read (0xb0, mac, sizeof (mac))) { +		sprintf (str, "%02x:%02x:%02x:%02x:%02x:%02x\n", +				 mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]); +	} else { +		strcpy (str, "ERROR"); +		return -1; +	} +	return 0; +} +int hwc_manufact_date (char *str) +{ +	uchar byte; +	int value; + +	if (seeprom_read (0x92, &byte, sizeof (byte))) +		goto out; +	value = byte; +	if (seeprom_read (0x93, &byte, sizeof (byte))) +		goto out; +	value += byte << 8; +	sprintf (str, "%02d/%02d/%04d", +			 value & 0x1F, (value >> 5) & 0xF, +			 1980 + ((value >> 9) & 0x1FF)); +	return 0; + +  out: +	strcpy (str, "ERROR"); +	return -1; +} + +#define PSPAN_ADDR      0xF0020000 +#define EEPROM_REG      0x408 +#define EEPROM_READ_CMD 0xA000 +#define PSPAN_WRITE(a,v) \ +    *((volatile unsigned long *)(PSPAN_ADDR+(a))) = v; eieio() +#define PSPAN_READ(a) \ +    *((volatile unsigned long *)(PSPAN_ADDR+(a))) + +int seeprom_read (int addr, uchar * data, int size) +{ +	ulong val, cmd; +	int i; + +	for (i = 0; i < size; i++) { + +		cmd = EEPROM_READ_CMD; +		cmd |= ((addr + i) << 24) & 0xff000000; + +		/* Wait for ACT to authorize write */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); + +		/* Write command */ +		PSPAN_WRITE (EEPROM_REG, cmd); + +		/* Wait for data to be valid */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); +		/* Do it twice, first read might be erratic */ +		while ((val = PSPAN_READ (EEPROM_REG)) & 0x80) +			eieio (); + +		/* Read error */ +		if (val & 0x00000040) { +			return -1; +		} else { +			data[i] = (val >> 16) & 0xff; +		} +	} +	return 0; +} |