Commit f0ff4692 authored by Stefan Roese's avatar Stefan Roese

Add FPGA Altera Cyclone 2 support

Patch by Heiko Schocher, 15 Aug 2006
parent c72d9c52
......@@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
* Add FPGA Altera Cyclone 2 support
Patch by Heiko Schocher, 15 Aug 2006
* Fix control-c handing in CONFIG_CMDLINE_EDITING
Properly pass break code back from readline.
Patch by Roger Blofeld, 31 Jul 2006
......
......@@ -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 \
......
......@@ -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",
......@@ -186,6 +197,14 @@ int altera_reloc( Altera_desc *desc, ulong reloc_offset)
#else
printf ("%s: No support for ACEX devices.\n",
__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 */
......
......@@ -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 */
/*
* (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)) */
......@@ -35,6 +35,11 @@ extern int ACEX1K_dump( Altera_desc *desc, void *buf, size_t bsize );
extern int ACEX1K_info( Altera_desc *desc );
extern int ACEX1K_reloc( Altera_desc *desc, ulong reloc_off );
extern int CYC2_load( Altera_desc *desc, void *image, size_t size );
extern int CYC2_dump( Altera_desc *desc, void *buf, size_t bsize );
extern int CYC2_info( Altera_desc *desc );
extern int CYC2_reloc( Altera_desc *desc, ulong reloc_off );
/* Slave Serial Implementation function table */
typedef struct {
Altera_pre_fn pre;
......@@ -48,6 +53,18 @@ typedef struct {
int relocated;
} Altera_ACEX1K_Passive_Serial_fns;
/* Slave Serial Implementation function table */
typedef struct {
Altera_pre_fn pre;
Altera_config_fn config;
Altera_status_fn status;
Altera_done_fn done;
Altera_write_fn write;
Altera_abort_fn abort;
Altera_post_fn post;
int relocated;
} Altera_CYC2_Passive_Serial_fns;
/* Device Image Sizes
*********************************************************************/
/* ACEX1K */
......@@ -60,6 +77,8 @@ typedef struct {
#endif
#define Altera_EP1K100_SIZE (166965*8)
#define Altera_EP2C35_SIZE 883905
/* Descriptor Macros
*********************************************************************/
/* ACEX1K devices */
......
......@@ -34,8 +34,10 @@
/* Altera Model definitions
*********************************************************************/
#define CFG_ACEX1K CFG_FPGA_DEV( 0x1 )
#define CFG_CYCLON2 CFG_FPGA_DEV( 0x2 )
#define CFG_ALTERA_ACEX1K (CFG_FPGA_ALTERA | CFG_ACEX1K)
#define CFG_ALTERA_CYCLON2 (CFG_FPGA_ALTERA | CFG_CYCLON2)
/* Add new models here */
/* Altera Interface definitions
......@@ -56,6 +58,7 @@ typedef enum { /* typedef Altera_iface */
typedef enum { /* typedef Altera_Family */
min_altera_type, /* insert all new types after this */
Altera_ACEX1K, /* ACEX1K Family */
Altera_CYC2, /* CYCLONII Family */
/* Add new models here */
max_altera_type /* insert all new types before this */
} Altera_Family; /* end, typedef Altera_Family */
......@@ -84,6 +87,7 @@ typedef int (*Altera_status_fn)( int cookie );
typedef int (*Altera_done_fn)( int cookie );
typedef int (*Altera_clk_fn)( int assert_clk, int flush, int cookie );
typedef int (*Altera_data_fn)( int assert_data, int flush, int cookie );
typedef int (*Altera_write_fn)(void *buf, size_t len, int flush, int cookie);
typedef int (*Altera_abort_fn)( int cookie );
typedef int (*Altera_post_fn)( int cookie );
......
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