diff options
| author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 | 
|---|---|---|
| committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 | 
| commit | cb5473205206c7f14cbb1e747f28ec75b48826e2 (patch) | |
| tree | 8f4808d60917100b18a10b05230f7638a0a9bbcc /drivers/fpga/stratixII.c | |
| parent | baf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff) | |
| parent | 92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff) | |
| download | olio-uboot-2014.01-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.xz olio-uboot-2014.01-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip | |
Merge branch 'fixes' into cleanups
Conflicts:
	board/atmel/atngw100/atngw100.c
	board/atmel/atstk1000/atstk1000.c
	cpu/at32ap/at32ap700x/gpio.c
	include/asm-avr32/arch-at32ap700x/clk.h
	include/configs/atngw100.h
	include/configs/atstk1002.h
	include/configs/atstk1003.h
	include/configs/atstk1004.h
	include/configs/atstk1006.h
	include/configs/favr-32-ezkit.h
	include/configs/hammerhead.h
	include/configs/mimc200.h
Diffstat (limited to 'drivers/fpga/stratixII.c')
| -rw-r--r-- | drivers/fpga/stratixII.c | 231 | 
1 files changed, 231 insertions, 0 deletions
| diff --git a/drivers/fpga/stratixII.c b/drivers/fpga/stratixII.c new file mode 100644 index 000000000..7556dbfb3 --- /dev/null +++ b/drivers/fpga/stratixII.c @@ -0,0 +1,231 @@ +/* + * (C) Copyright 2007 + * Eran Liberty, Extricom , eran.liberty@gmail.com + * + * 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> + +int StratixII_ps_fpp_load (Altera_desc * desc, void *buf, size_t bsize, +			   int isSerial, int isSecure); +int StratixII_ps_fpp_dump (Altera_desc * desc, void *buf, size_t bsize); + +/****************************************************************/ +/* Stratix II Generic Implementation                            */ +int StratixII_load (Altera_desc * desc, void *buf, size_t bsize) +{ +	int ret_val = FPGA_FAIL; + +	switch (desc->iface) { +	case passive_serial: +		ret_val = StratixII_ps_fpp_load (desc, buf, bsize, 1, 0); +		break; +	case fast_passive_parallel: +		ret_val = StratixII_ps_fpp_load (desc, buf, bsize, 0, 0); +		break; +	case fast_passive_parallel_security: +		ret_val = StratixII_ps_fpp_load (desc, buf, bsize, 0, 1); +		break; + +		/* Add new interface types here */ +	default: +		printf ("%s: Unsupported interface type, %d\n", __FUNCTION__, +			desc->iface); +	} +	return ret_val; +} + +int StratixII_dump (Altera_desc * desc, void *buf, size_t bsize) +{ +	int ret_val = FPGA_FAIL; + +	switch (desc->iface) { +	case passive_serial: +	case fast_passive_parallel: +	case fast_passive_parallel_security: +		ret_val = StratixII_ps_fpp_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 StratixII_info (Altera_desc * desc) +{ +	return FPGA_SUCCESS; +} + +int StratixII_reloc (Altera_desc * desc, ulong reloc_offset) +{ +	int i; +	uint32_t dest = (uint32_t) desc & 0xff000000; + +	/* we assume a relocated code and non relocated code has different upper 8 bits */ +	if (dest != ((uint32_t) desc->iface_fns & 0xff000000)) { +		desc->iface_fns = +		    (void *)((uint32_t) (desc->iface_fns) + reloc_offset); +	} +	for (i = 0; i < sizeof (altera_board_specific_func) / sizeof (void *); +	     i++) { +		if (dest != +		    ((uint32_t) (((void **)(desc->iface_fns))[i]) & 0xff000000)) +		{ +			((void **)(desc->iface_fns))[i] = +			    (void +			     *)(((uint32_t) (((void **)(desc->iface_fns))[i])) + +				reloc_offset); +		} +	} +	return FPGA_SUCCESS; +} + +int StratixII_ps_fpp_dump (Altera_desc * desc, void *buf, size_t bsize) +{ +	printf ("Stratix II Fast Passive Parallel dump is not implemented\n"); +	return FPGA_FAIL; +} + +int StratixII_ps_fpp_load (Altera_desc * desc, void *buf, size_t bsize, +			   int isSerial, int isSecure) +{ +	altera_board_specific_func *fns; +	int cookie; +	int ret_val = FPGA_FAIL; +	int bytecount; +	char *buff = buf; +	int i; + +	if (!desc) { +		printf ("%s(%d) Altera_desc missing\n", __FUNCTION__, __LINE__); +		return FPGA_FAIL; +	} +	if (!buff) { +		printf ("%s(%d) buffer is missing\n", __FUNCTION__, __LINE__); +		return FPGA_FAIL; +	} +	if (!bsize) { +		printf ("%s(%d) size is zero\n", __FUNCTION__, __LINE__); +		return FPGA_FAIL; +	} +	if (!desc->iface_fns) { +		printf +		    ("%s(%d) Altera_desc function interface table is missing\n", +		     __FUNCTION__, __LINE__); +		return FPGA_FAIL; +	} +	fns = (altera_board_specific_func *) (desc->iface_fns); +	cookie = desc->cookie; + +	if (! +	    (fns->config && fns->status && fns->done && fns->data +	     && fns->abort)) { +		printf +		    ("%s(%d) Missing some function in the function interface table\n", +		     __FUNCTION__, __LINE__); +		return FPGA_FAIL; +	} + +	/* 1. give board specific a chance to do anything before we start */ +	if (fns->pre) { +		if ((ret_val = fns->pre (cookie)) < 0) { +			return ret_val; +		} +	} + +	/* from this point on we must fail gracfully by calling lower layer abort */ + +	/* 2. Strat burn cycle by deasserting config for t_CFG and waiting t_CF2CK after reaserted */ +	fns->config (0, 1, cookie); +	udelay (5);		/* nCONFIG low pulse width 2usec */ +	fns->config (1, 1, cookie); +	udelay (100);		/* nCONFIG high to first rising edge on DCLK */ + +	/* 3. Start the Data cycle with clk deasserted */ +	bytecount = 0; +	fns->clk (0, 1, cookie); + +	printf ("loading to fpga    "); +	while (bytecount < bsize) { +		/* 3.1 check stratix has not signaled us an error */ +		if (fns->status (cookie) != 1) { +			printf +			    ("\n%s(%d) Stratix failed (byte transfered till failure 0x%x)\n", +			     __FUNCTION__, __LINE__, bytecount); +			fns->abort (cookie); +			return FPGA_FAIL; +		} +		if (isSerial) { +			int i; +			uint8_t data = buff[bytecount++]; +			for (i = 0; i < 8; i++) { +				/* 3.2(ps) put data on the bus */ +				fns->data ((data >> i) & 1, 1, cookie); + +				/* 3.3(ps) clock once */ +				fns->clk (1, 1, cookie); +				fns->clk (0, 1, cookie); +			} +		} else { +			/* 3.2(fpp) put data on the bus */ +			fns->data (buff[bytecount++], 1, cookie); + +			/* 3.3(fpp) clock once */ +			fns->clk (1, 1, cookie); +			fns->clk (0, 1, cookie); + +			/* 3.4(fpp) for secure cycle push 3 more  clocks */ +			for (i = 0; isSecure && i < 3; i++) { +				fns->clk (1, 1, cookie); +				fns->clk (0, 1, cookie); +			} +		} + +		/* 3.5 while clk is deasserted it is safe to print some progress indication */ +		if ((bytecount % (bsize / 100)) == 0) { +			printf ("\b\b\b%02d\%", bytecount * 100 / bsize); +		} +	} + +	/* 4. Set one last clock and check conf done signal */ +	fns->clk (1, 1, cookie); +	udelay (100); +	if (!fns->done (cookie)) { +		printf (" error!.\n"); +		fns->abort (cookie); +		return FPGA_FAIL; +	} else { +		printf ("\b\b\b done.\n"); +	} + +	/* 5. call lower layer post configuration */ +	if (fns->post) { +		if ((ret_val = fns->post (cookie)) < 0) { +			fns->abort (cookie); +			return ret_val; +		} +	} + +	return FPGA_SUCCESS; +} |