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[openwince-cvs-commit] jtag/src/bus lh7a400.c,NONE,1.1 Makefile.am,1.13,1.14 buses.c,1.7,1.8 buses.h,1.5,1.6
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From: Marcel T. <te...@us...> - 2004-10-22 04:35:00
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Update of /cvsroot/openwince/jtag/src/bus In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2503/src/bus Modified Files: Makefile.am buses.c buses.h Added Files: lh7a400.c Log Message: 2004-10-22 Marcel Telka <ma...@te...> * data/MANUFACTURERS: Added Sharp manufacturer (patch 886068, Marko RöÃler). * data/Makefile.am (nobase_dist_pkgdata_DATA): Added new files (patch 886068, Marko RöÃler). * data/sharp/PARTS: New file (patch 886068, Marko RöÃler). * data/sharp/lh7a400/STEPPINGS: Ditto. * data/sharp/lh7a400/lh7a400: Ditto. * src/bus/lh7a400.c: Ditto. * src/bus/Makefile.am (libbus_a_SOURCES): Added lh7a400.c (patch 886068, Marko RöÃler). * src/bus/buses.c (bus_drivers): Added lh7a400_bus (patch 886068, Marko RöÃler). * src/bus/buses.h: Ditto. Index: buses.c =================================================================== RCS file: /cvsroot/openwince/jtag/src/bus/buses.c,v retrieving revision 1.7 retrieving revision 1.8 diff -u -d -r1.7 -r1.8 --- buses.c 24 Aug 2004 21:57:44 -0000 1.7 +++ buses.c 22 Oct 2004 04:34:47 -0000 1.8 @@ -33,6 +33,7 @@ &au1500_bus, &bcm1250_bus, &ixp425_bus, + &lh7a400_bus, &mpc824x_bus, &ppc440gx_ebc8_bus, &pxa2x0_bus, Index: Makefile.am =================================================================== RCS file: /cvsroot/openwince/jtag/src/bus/Makefile.am,v retrieving revision 1.13 retrieving revision 1.14 diff -u -d -r1.13 -r1.14 --- Makefile.am 24 Aug 2004 21:57:44 -0000 1.13 +++ Makefile.am 22 Oct 2004 04:34:46 -0000 1.14 @@ -31,6 +31,7 @@ au1500.c \ bcm1250.c \ ixp425.c \ + lh7a400.c \ mpc824x.c \ ppc440gx_ebc8.c \ pxa2x0.c \ --- NEW FILE: lh7a400.c --- /* * $Id: lh7a400.c,v 1.1 2004/10/22 04:34:47 telka Exp $ * * 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. * * Written by Marko Roessler <mar...@in...>, 2004 * * based on sa1110.c * Written by Marcel Telka <ma...@te...>, 2002, 2003. * * Documentation: * * [1] Sharp Microelectronics, "LH7A400 Universal SOC Preliminary * Users's Guide", May 2003, Reference No. SMA02010 * * * Notes: * - this bus driver ONLY works for the asynchronous boot mode! * - use only to access flash devices */ #include "sysdep.h" #include <stdlib.h> #include <stdint.h> #include <string.h> #include "part.h" #include "bus.h" #include "chain.h" #include "bssignal.h" #include "jtag.h" #include "buses.h" #define ADR_NUM 24 #define D_NUM 32 #define nCS_NUM 4 #define WIDTH_NUM 2 typedef struct { chain_t *chain; part_t *part; signal_t *a[ADR_NUM]; signal_t *d[D_NUM]; signal_t *ncs[nCS_NUM]; signal_t *nwe; signal_t *noe; signal_t *width[WIDTH_NUM]; } bus_params_t; #define CHAIN ((bus_params_t *) bus->params)->chain #define PART ((bus_params_t *) bus->params)->part #define A ((bus_params_t *) bus->params)->a #define D ((bus_params_t *) bus->params)->d #define nCS ((bus_params_t *) bus->params)->ncs #define nWE ((bus_params_t *) bus->params)->nwe #define nOE ((bus_params_t *) bus->params)->noe #define WIDTH ((bus_params_t *) bus->params)->width static void setup_address( bus_t *bus, uint32_t a ) { int i; part_t *p = PART; for (i = 0; i < ADR_NUM; i++) part_set_signal( p, A[i], 1, (a >> i) & 1 ); } static int lh7a400_bus_area( bus_t *bus, uint32_t adr, bus_area_t *area ); static void set_data_in( bus_t *bus ) { int i; part_t *p = PART; bus_area_t area; lh7a400_bus_area( bus, 0, &area ); for (i = 0; i < area.width; i++) part_set_signal( p, D[i], 0, 0 ); } static void setup_data( bus_t *bus, uint32_t d ) { int i; part_t *p = PART; bus_area_t area; lh7a400_bus_area( bus, 0, &area ); for (i = 0; i < area.width; i++) part_set_signal( p, D[i], 1, (d >> i) & 1 ); } static void lh7a400_bus_printinfo( bus_t *bus ) { int i; for (i = 0; i < CHAIN->parts->len; i++) if (PART == CHAIN->parts->parts[i]) break; printf( _("Sharp LH7A400 compatible bus driver via BSR (JTAG part No. %d)\n"), i ); } static void lh7a400_bus_prepare( bus_t *bus ) { part_set_instruction( PART, "EXTEST" ); chain_shift_instructions( CHAIN ); } static void lh7a400_bus_read_start( bus_t *bus, uint32_t adr ) { /* see Figure 3-3 in [1] */ part_t *p = PART; chain_t *chain = CHAIN; part_set_signal( p, nCS[0], 1, (adr >> 27) != 0 ); part_set_signal( p, nWE, 1, 1 ); part_set_signal( p, nOE, 1, 0 ); setup_address( bus, adr ); set_data_in( bus ); chain_shift_data_registers( chain, 0 ); } static uint32_t lh7a400_bus_read_next( bus_t *bus, uint32_t adr ) { /* see Figure 3-3 in [1] */ part_t *p = PART; chain_t *chain = CHAIN; int i; uint32_t d = 0; bus_area_t area; lh7a400_bus_area( bus, adr, &area ); setup_address( bus, adr ); chain_shift_data_registers( chain, 1 ); for (i = 0; i < area.width; i++) d |= (uint32_t) (part_get_signal( p, D[i] ) << i); return d; } static uint32_t lh7a400_bus_read_end( bus_t *bus ) { /* see Figure 3-3 in [1] */ part_t *p = PART; chain_t *chain = CHAIN; int i; uint32_t d = 0; bus_area_t area; lh7a400_bus_area( bus, 0, &area ); part_set_signal( p, nCS[0], 1, 1 ); part_set_signal( p, nOE, 1, 1 ); chain_shift_data_registers( chain, 1 ); for (i = 0; i < area.width; i++) d |= (uint32_t) (part_get_signal( p, D[i] ) << i); return d; } static uint32_t lh7a400_bus_read( bus_t *bus, uint32_t adr ) { lh7a400_bus_read_start( bus, adr ); return lh7a400_bus_read_end( bus ); } static void lh7a400_bus_write( bus_t *bus, uint32_t adr, uint32_t data ) { /* see Figure 3-3 in [1] */ part_t *p = PART; chain_t *chain = CHAIN; part_set_signal( p, nCS[0], 1, (adr >> 27) != 0 ); part_set_signal( p, nWE, 1, 1 ); part_set_signal( p, nOE, 1, 1 ); setup_address( bus, adr ); setup_data( bus, data ); chain_shift_data_registers( chain, 0 ); part_set_signal( p, nWE, 1, 0 ); chain_shift_data_registers( chain, 0 ); part_set_signal( p, nWE, 1, 1 ); part_set_signal( p, nCS[0], 1, 1 ); chain_shift_data_registers( chain, 0 ); } static int lh7a400_bus_area ( bus_t *bus, uint32_t adr, bus_area_t *area ) { unsigned int width; area->description = NULL; area->start = UINT32_C(0x00000000); area->length = UINT64_C(0x10000000); /* we determine the size of the flash that was booted from [1] table 3.1 */ width = part_get_signal( PART, part_find_signal( PART, "WIDTH0" ) ); width |= part_get_signal( PART, part_find_signal( PART, "WIDTH1" ) ) << 1; if (width < 0) return -1; switch (width) { case 0: area->width = 8; break; case 1: area->width = 16; break; case 2: case 3: area->width = 32; } return 0; } static void lh7a400_bus_free( bus_t *bus ) { free( bus->params ); free( bus ); } static bus_t *lh7a400_bus_new( void ); const bus_driver_t lh7a400_bus = { "lh7a400", N_("Sharp LH7A400 compatible bus driver via BSR (flash access only!)"), lh7a400_bus_new, lh7a400_bus_free, lh7a400_bus_printinfo, lh7a400_bus_prepare, lh7a400_bus_area, lh7a400_bus_read_start, lh7a400_bus_read_next, lh7a400_bus_read_end, lh7a400_bus_read, lh7a400_bus_write }; static bus_t * lh7a400_bus_new( void ) { bus_t *bus; char buff[10]; int i; int failed = 0; if (!chain || !chain->parts || chain->parts->len <= chain->active_part || chain->active_part < 0) return NULL; bus = malloc( sizeof (bus_t) ); if (!bus) return NULL; bus->driver = &lh7a400_bus; bus->params = malloc( sizeof (bus_params_t) ); if (!bus->params) { free( bus ); return NULL; } CHAIN = chain; PART = chain->parts->parts[chain->active_part]; for (i = 0; i < ADR_NUM; i++) { sprintf( buff, "A%d", i ); A[i] = part_find_signal( PART, buff ); if (!A[i]) { printf( _("signal '%s' not found\n"), buff ); failed = 1; break; } } for (i = 0; i < D_NUM; i++) { sprintf( buff, "D%d", i ); D[i] = part_find_signal( PART, buff ); if (!D[i]) { printf( _("signal '%s' not found\n"), buff ); failed = 1; break; } } for (i = 0; i < nCS_NUM; i++) { sprintf( buff, "nCS%d", i ); nCS[i] = part_find_signal( PART, buff ); if (!nCS[i]) { printf( _("signal '%s' not found\n"), buff ); failed = 1; break; } } for (i = 0; i < WIDTH_NUM; i++) { sprintf( buff, "WIDTH%d", i ); WIDTH[i] = part_find_signal( PART, buff ); if (!WIDTH[i]) { printf( _("signal '%s' not found\n"), buff ); failed = 1; break; } } nWE = part_find_signal( PART, "nWE0" ); if (!nWE) { printf( _("signal '%s' not found\n"), "nWE" ); failed = 1; } nOE = part_find_signal( PART, "nOE" ); if (!nOE) { printf( _("signal '%s' not found\n"), "nOE" ); failed = 1; } if (failed) { free( bus->params ); free( bus ); return NULL; } return bus; } Index: buses.h =================================================================== RCS file: /cvsroot/openwince/jtag/src/bus/buses.h,v retrieving revision 1.5 retrieving revision 1.6 diff -u -d -r1.5 -r1.6 --- buses.h 24 Aug 2004 21:57:44 -0000 1.5 +++ buses.h 22 Oct 2004 04:34:47 -0000 1.6 @@ -28,6 +28,7 @@ extern const bus_driver_t au1500_bus; extern const bus_driver_t bcm1250_bus; extern const bus_driver_t ixp425_bus; +extern const bus_driver_t lh7a400_bus; extern const bus_driver_t mpc824x_bus; extern const bus_driver_t ppc440gx_ebc8_bus; extern const bus_driver_t pxa2x0_bus; |
