diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/Makefile | 2 | ||||
| -rw-r--r-- | common/altera.c | 19 | ||||
| -rw-r--r-- | common/cmd_fpga.c | 21 | ||||
| -rw-r--r-- | common/cyclon2.c | 305 | 
4 files changed, 346 insertions, 1 deletions
| diff --git a/common/Makefile b/common/Makefile index eb0b5dadf..7e446ec6f 100644 --- a/common/Makefile +++ b/common/Makefile @@ -41,7 +41,7 @@ COBJS	= main.o ACEX1K.o altera.o bedbug.o circbuf.o \  	  cmd_pci.o cmd_pcmcia.o cmd_portio.o \  	  cmd_reginfo.o cmd_reiser.o cmd_scsi.o cmd_spi.o cmd_universe.o \  	  cmd_usb.o cmd_vfd.o \ -	  command.o console.o devices.o dlmalloc.o docecc.o \ +	  command.o console.o cyclon2.o devices.o dlmalloc.o docecc.o \  	  environment.o env_common.o \  	  env_nand.o env_dataflash.o env_flash.o env_eeprom.o \  	  env_nvram.o env_nowhere.o \ diff --git a/common/altera.c b/common/altera.c index ebd50382c..357d70234 100644 --- a/common/altera.c +++ b/common/altera.c @@ -55,10 +55,15 @@ int altera_load( Altera_desc *desc, void *buf, size_t bsize )  	} else {  		switch (desc->family) {  		case Altera_ACEX1K: +		case Altera_CYC2:  #if (CONFIG_FPGA & CFG_ACEX1K)  			PRINTF ("%s: Launching the ACEX1K Loader...\n",  					__FUNCTION__);  			ret_val = ACEX1K_load (desc, buf, bsize); +#elif (CONFIG_FPGA & CFG_CYCLON2) +			PRINTF ("%s: Launching the CYCLON II Loader...\n", +					__FUNCTION__); +			ret_val = CYC2_load (desc, buf, bsize);  #else  			printf ("%s: No support for ACEX1K devices.\n",  					__FUNCTION__); @@ -113,6 +118,9 @@ int altera_info( Altera_desc *desc )  			printf ("ACEX1K\n");  			break;  			/* Add new family types here */ +		case Altera_CYC2: +			printf ("CYCLON II\n"); +			break;  		default:  			printf ("Unknown family type, %d\n", desc->family);  		} @@ -147,8 +155,11 @@ int altera_info( Altera_desc *desc )  			printf ("Device Function Table @ 0x%p\n", desc->iface_fns);  			switch (desc->family) {  			case Altera_ACEX1K: +			case Altera_CYC2:  #if (CONFIG_FPGA & CFG_ACEX1K)  				ACEX1K_info (desc); +#elif (CONFIG_FPGA & CFG_CYCLON2) +				CYC2_info (desc);  #else  				/* just in case */  				printf ("%s: No support for ACEX1K devices.\n", @@ -188,6 +199,14 @@ int altera_reloc( Altera_desc *desc, ulong reloc_offset)  					__FUNCTION__);  #endif  			break; +		case Altera_CYC2: +#if (CONFIG_FPGA & CFG_CYCLON2) +			ret_val = CYC2_reloc (desc, reloc_offset); +#else +			printf ("%s: No support for CYCLON II devices.\n", +					__FUNCTION__); +#endif +			break;  			/* Add new family types here */  		default:  			printf ("%s: Unsupported family type, %d\n", diff --git a/common/cmd_fpga.c b/common/cmd_fpga.c index 9a01e7df8..df859bd98 100644 --- a/common/cmd_fpga.c +++ b/common/cmd_fpga.c @@ -55,6 +55,7 @@ static int fpga_get_op (char *opstr);  #define FPGA_LOAD   1  #define FPGA_LOADB  2  #define FPGA_DUMP   3 +#define FPGA_LOADMK 4  /* Convert bitstream data and load into the fpga */  int fpga_loadbitstream(unsigned long dev, char* fpgadata, size_t size) @@ -251,6 +252,23 @@ int do_fpga (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])  		rc = fpga_loadbitstream(dev, fpga_data, data_size);  		break; +	case FPGA_LOADMK: +		{ +			image_header_t header; +			image_header_t *hdr = &header; +			ulong	data; + +			memmove (&header, (char *)fpga_data, sizeof(image_header_t)); +			if (ntohl(hdr->ih_magic) != IH_MAGIC) { +				puts ("Bad Magic Number\n"); +				return 1; +			} +			data = (char *)(fpga_data + sizeof(image_header_t)); +			data_size  = ntohl(hdr->ih_size); +			rc = fpga_load (dev, data, data_size); +		} +		break; +  	case FPGA_DUMP:  		rc = fpga_dump (dev, fpga_data, data_size);  		break; @@ -282,6 +300,8 @@ static int fpga_get_op (char *opstr)  		op = FPGA_LOADB;  	} else if (!strcmp ("load", opstr)) {  		op = FPGA_LOAD; +	} else if (!strcmp ("loadmk", opstr)) { +		op = FPGA_LOADMK;  	} else if (!strcmp ("dump", opstr)) {  		op = FPGA_DUMP;  	} @@ -299,5 +319,6 @@ U_BOOT_CMD (fpga, 6, 1, do_fpga,  	    "\tinfo\tlist known device information\n"  	    "\tload\tLoad device from memory buffer\n"  	    "\tloadb\tLoad device from bitstream buffer (Xilinx devices only)\n" +	    "\tloadmk\tLoad device generated with mkimage\n"  	    "\tdump\tLoad device to memory buffer\n");  #endif /* CONFIG_FPGA && CONFIG_COMMANDS & CFG_CMD_FPGA */ diff --git a/common/cyclon2.c b/common/cyclon2.c new file mode 100644 index 000000000..dce13b50d --- /dev/null +++ b/common/cyclon2.c @@ -0,0 +1,305 @@ +/* + * (C) Copyright 2006 + * Heiko Schocher, hs@denx.de + * Based on ACE1XK.c + * + * 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>		/* core U-Boot definitions */ +#include <altera.h> +#include <ACEX1K.h>		/* ACEX device family */ + +#if (CONFIG_FPGA & (CFG_ALTERA | CFG_CYCLON2)) + +/* Define FPGA_DEBUG to get debug printf's */ +#ifdef	FPGA_DEBUG +#define PRINTF(fmt,args...)	printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +/* Note: The assumption is that we cannot possibly run fast enough to + * overrun the device (the Slave Parallel mode can free run at 50MHz). + * If there is a need to operate slower, define CONFIG_FPGA_DELAY in + * the board config file to slow things down. + */ +#ifndef CONFIG_FPGA_DELAY +#define CONFIG_FPGA_DELAY() +#endif + +#ifndef CFG_FPGA_WAIT +#define CFG_FPGA_WAIT CFG_HZ/10		/* 100 ms */ +#endif + +static int CYC2_ps_load( Altera_desc *desc, void *buf, size_t bsize ); +static int CYC2_ps_dump( Altera_desc *desc, void *buf, size_t bsize ); +/* static int CYC2_ps_info( Altera_desc *desc ); */ +static int CYC2_ps_reloc( Altera_desc *desc, ulong reloc_offset ); + +/* ------------------------------------------------------------------------- */ +/* CYCLON2 Generic Implementation */ +int CYC2_load (Altera_desc * desc, void *buf, size_t bsize) +{ +	int ret_val = FPGA_FAIL; + +	switch (desc->iface) { +	case passive_serial: +		PRINTF ("%s: Launching Passive Serial Loader\n", __FUNCTION__); +		ret_val = CYC2_ps_load (desc, buf, bsize); +		break; + +		/* Add new interface types here */ + +	default: +		printf ("%s: Unsupported interface type, %d\n", +				__FUNCTION__, desc->iface); +	} + +	return ret_val; +} + +int CYC2_dump (Altera_desc * desc, void *buf, size_t bsize) +{ +	int ret_val = FPGA_FAIL; + +	switch (desc->iface) { +	case passive_serial: +		PRINTF ("%s: Launching Passive Serial Dump\n", __FUNCTION__); +		ret_val = CYC2_ps_dump (desc, buf, bsize); +		break; + +		/* Add new interface types here */ + +	default: +		printf ("%s: Unsupported interface type, %d\n", +				__FUNCTION__, desc->iface); +	} + +	return ret_val; +} + +int CYC2_info( Altera_desc *desc ) +{ +	return FPGA_SUCCESS; +} + +int CYC2_reloc (Altera_desc * desc, ulong reloc_offset) +{ +	int ret_val = FPGA_FAIL;	/* assume a failure */ + +	if (desc->family != Altera_CYC2) { +		printf ("%s: Unsupported family type, %d\n", +				__FUNCTION__, desc->family); +		return FPGA_FAIL; +	} else +		switch (desc->iface) { +		case passive_serial: +			ret_val = CYC2_ps_reloc (desc, reloc_offset); +			break; + +		/* Add new interface types here */ + +		default: +			printf ("%s: Unsupported interface type, %d\n", +					__FUNCTION__, desc->iface); +		} + +	return ret_val; +} + +/* ------------------------------------------------------------------------- */ +/* CYCLON2 Passive Serial Generic Implementation                                  */ +static int CYC2_ps_load (Altera_desc * desc, void *buf, size_t bsize) +{ +	int ret_val = FPGA_FAIL;	/* assume the worst */ +	Altera_CYC2_Passive_Serial_fns *fn = desc->iface_fns; +	int	ret = 0; + +	PRINTF ("%s: start with interface functions @ 0x%p\n", +			__FUNCTION__, fn); + +	if (fn) { +		int cookie = desc->cookie;	/* make a local copy */ +		unsigned long ts;		/* timestamp */ + +		PRINTF ("%s: Function Table:\n" +				"ptr:\t0x%p\n" +				"struct: 0x%p\n" +				"config:\t0x%p\n" +				"status:\t0x%p\n" +				"write:\t0x%p\n" +				"done:\t0x%p\n\n", +				__FUNCTION__, &fn, fn, fn->config, fn->status, +				fn->write, fn->done); +#ifdef CFG_FPGA_PROG_FEEDBACK +		printf ("Loading FPGA Device %d...", cookie); +#endif + +		/* +		 * Run the pre configuration function if there is one. +		 */ +		if (*fn->pre) { +			(*fn->pre) (cookie); +		} + +		/* Establish the initial state */ +		(*fn->config) (TRUE, TRUE, cookie);	/* Assert nCONFIG */ + +		udelay(2);		/* T_cfg > 2us	*/ + +		/* Wait for nSTATUS to be asserted */ +		ts = get_timer (0);		/* get current time */ +		do { +			CONFIG_FPGA_DELAY (); +			if (get_timer (ts) > CFG_FPGA_WAIT) {	/* check the time */ +				puts ("** Timeout waiting for STATUS to go high.\n"); +				(*fn->abort) (cookie); +				return FPGA_FAIL; +			} +		} while (!(*fn->status) (cookie)); + +		/* Get ready for the burn */ +		CONFIG_FPGA_DELAY (); + +		ret = (*fn->write) (buf, bsize, TRUE, cookie); +		if (ret) { +			puts ("** Write failed.\n"); +			(*fn->abort) (cookie); +			return FPGA_FAIL; +		} +#ifdef CFG_FPGA_PROG_FEEDBACK +		puts(" OK? ..."); +#endif + +		CONFIG_FPGA_DELAY (); + +#ifdef CFG_FPGA_PROG_FEEDBACK +		putc (' ');			/* terminate the dotted line */ +#endif + +	/* +	 * Checking FPGA's CONF_DONE signal - correctly booted ? +	 */ + +	if ( ! (*fn->done) (cookie) ) { +		puts ("** Booting failed! CONF_DONE is still deasserted.\n"); +		(*fn->abort) (cookie); +		return (FPGA_FAIL); +	} +#ifdef CFG_FPGA_PROG_FEEDBACK +	puts(" OK\n"); +#endif + +	ret_val = FPGA_SUCCESS; + +#ifdef CFG_FPGA_PROG_FEEDBACK +	if (ret_val == FPGA_SUCCESS) { +		puts ("Done.\n"); +	} +	else { +		puts ("Fail.\n"); +	} +#endif +	(*fn->post) (cookie); + +	} else { +		printf ("%s: NULL Interface function table!\n", __FUNCTION__); +	} + +	return ret_val; +} + +static int CYC2_ps_dump (Altera_desc * desc, void *buf, size_t bsize) +{ +	/* Readback is only available through the Slave Parallel and         */ +	/* boundary-scan interfaces.                                         */ +	printf ("%s: Passive Serial Dumping is unavailable\n", +			__FUNCTION__); +	return FPGA_FAIL; +} + +static int CYC2_ps_reloc (Altera_desc * desc, ulong reloc_offset) +{ +	int ret_val = FPGA_FAIL;	/* assume the worst */ +	Altera_CYC2_Passive_Serial_fns *fn_r, *fn = +			(Altera_CYC2_Passive_Serial_fns *) (desc->iface_fns); + +	if (fn) { +		ulong addr; + +		/* Get the relocated table address */ +		addr = (ulong) fn + reloc_offset; +		fn_r = (Altera_CYC2_Passive_Serial_fns *) addr; + +		if (!fn_r->relocated) { + +			if (memcmp (fn_r, fn, +						sizeof (Altera_CYC2_Passive_Serial_fns)) +				== 0) { +				/* good copy of the table, fix the descriptor pointer */ +				desc->iface_fns = fn_r; +			} else { +				PRINTF ("%s: Invalid function table at 0x%p\n", +						__FUNCTION__, fn_r); +				return FPGA_FAIL; +			} + +			PRINTF ("%s: Relocating descriptor at 0x%p\n", __FUNCTION__, +					desc); + +			addr = (ulong) (fn->pre) + reloc_offset; +			fn_r->pre = (Altera_pre_fn) addr; + +			addr = (ulong) (fn->config) + reloc_offset; +			fn_r->config = (Altera_config_fn) addr; + +			addr = (ulong) (fn->status) + reloc_offset; +			fn_r->status = (Altera_status_fn) addr; + +			addr = (ulong) (fn->done) + reloc_offset; +			fn_r->done = (Altera_done_fn) addr; + +			addr = (ulong) (fn->write) + reloc_offset; +			fn_r->write = (Altera_write_fn) addr; + +			addr = (ulong) (fn->abort) + reloc_offset; +			fn_r->abort = (Altera_abort_fn) addr; + +			addr = (ulong) (fn->post) + reloc_offset; +			fn_r->post = (Altera_post_fn) addr; + +			fn_r->relocated = TRUE; + +		} else { +			/* this table has already been moved */ +			/* XXX - should check to see if the descriptor is correct */ +			desc->iface_fns = fn_r; +		} + +		ret_val = FPGA_SUCCESS; +	} else { +		printf ("%s: NULL Interface function table!\n", __FUNCTION__); +	} + +	return ret_val; +} + +#endif /* (CONFIG_FPGA & (CFG_ALTERA | CFG_CYCLON2)) */ |