diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/core/pcmcia.c')
| -rw-r--r-- | contrib/syslinux-4.02/gpxe/src/core/pcmcia.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/core/pcmcia.c b/contrib/syslinux-4.02/gpxe/src/core/pcmcia.c new file mode 100644 index 0000000..631971e --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/core/pcmcia.c @@ -0,0 +1,267 @@ +#if 0 + +/* + * pcmcia.c + * + * PCMCIA support routines for etherboot - generic stuff + * + * This code has partly be taken from the linux kernel sources, .../drivers/pcmcia/ + * Started & put together by + * Anselm Martin Hoffmeister + * Stockholm Projekt Computer-Service + * Sankt Augustin / Bonn, Germany + * + * Distributed under GPL2 + */ + +/* + * + * + * ****************************** + * PLEASE DO NOT YET WORK ON THIS + * ****************************** + * + * I'm still fixing it up on every end, so we most probably would interfere + * at some point. If there's anything obvious or better, not-so-obvious, + * please contact me by e-mail: anselm (AT) hoffmeister (DOT) be *THANKS* + */ +#include <stdio.h> +#include <pcmcia.h> +#include <i82365.h> +#define CODE_STATUS "alpha" +#define CODE_VERSION "0.1.3" +#include <pcmcia-opts.h> +#include <console.h> +#include <gpxe/init.h> + +int sockets; /* AHTODO: Phase this out! */ +u_int pccsocks; +struct pccsock_t pccsock[MAXPCCSOCKS]; +int inited = -1; +struct pcc_config_t pccconfig[MAXPCCCONFIGS]; + +struct driver_interact_t driver[] = { +#ifdef SUPPORT_I82365 + { I82365, i82365_interfacer, "Intel_82365" }, +#endif +}; + +#define NUM_DRIVERS (sizeof(driver)/(sizeof(struct driver_interact_t))) + +void sleepticks(int numticks ) { + u_int tmo; + for (tmo = currticks()+numticks; currticks() < tmo; ) { + } + return; +} + +static void pcmcia_init_all(void) { + u_int i, j, k, l, m, n, ui, configs = 0; + u_int multicard[8]; + u_char *uc, upc; + if ( PDEBUG > 0 ) printf("Initializing PCMCIA subsystem (code-status: " CODE_STATUS ", Version " CODE_VERSION ")\n"); + if ( PDEBUG > 2 ) { + printf ( "Supporting %d driver(s): ", NUM_DRIVERS ); + for ( i = 0; i < NUM_DRIVERS; ++i ) { + printf ( "[%s] ", driver[i].name ); + } + printf ( "\n" ); + } + pccsocks = 0; + sockets = 0; + // Init all drivers in the driver[] array: + for ( i = 0; i < NUM_DRIVERS; ++i ) { + driver[i].f(INIT,0,i,0,0); // init needs no params. It uses pccsocks and pccsock[]. + // Only i tells it which driver_id itself is. + } + for ( i = 0; i < pccsocks; ++i ) { + printf ( "Socket %d: ", i ); + if ( pccsock[i].status != HASCARD ) { + printf ( "is %s: skipping\n", pccsock[i].status == EMPTY? "empty":"[status unknown]" ); + continue; + } + if ( 0 != driver[pccsock[i].drivernum].f(MAPATTRMEM,pccsock[i].internalid,MAP_ATTRMEM_TO, MAP_ATTRMEM_LEN,0 ) ) { + printf ("PCMCIA controller failed to map attribute memory.\n**** SEVERE ERROR CONDITION. Skipping controller.\n" ); + if ( PDEBUG > 2 ) { + printf ( "<press key. THIS CONDITION SHOULD BE REPORTED!>\n" ); getchar(); + } + continue; + } + // parse configuration information + uc = ioremap ( MAP_ATTRMEM_TO, MAP_ATTRMEM_LEN ); + pccsock[i].stringoffset = pccsock[i].configoffset = pccsock[i].stringlength = 0; + pccsock[i].type = 0xff; + for ( l = 0; l < 8; ++l ) multicard[l] = 0; + sleepticks(2); + for ( l = ui = 0; ui < 0x800; ui += uc[(2*ui)+2] + 2 ) { + if ( uc[(2*ui)] == 0xff ) { + break; + } + // This loop is complete rubbish AFAICS. + // But without it, my test system won't come up. + // It's too bad to develop on broken hardware + // - Anselm + } + sleepticks(2); + configs = 0; + inited = -1; + for ( l = ui = 0; ui < 0x800; ui += uc[(2*ui)+2] + 2 ) { + if ( uc[(2*ui)] == 0xff ) break; + else if ( uc[2*ui] == 0x15 ) { + for ( k = 2 * ( ui + 2 ); ( uc[k] <= ' ' ) && ( k < ( 2 * ( uc[2*(ui+1)] + ui + 2 ) ) ) ; k += 2 ) { ; } + pccsock[i].stringoffset = k; + pccsock[i].stringlength = ( 2 * ( ui + 2 + uc[(2*ui)+2] ) - k ) / 2; + } else if ( uc[2*ui] == 0x21 ) { + pccsock[i].type = uc[(2*ui)+4]; + } else if ( uc[2*ui] == 0x1a ) { // Configuration map + printf ( "\nConfig map 0x1a found [" ); + for ( k = 0; k < uc[2*(ui+1)]; ++k ) { + printf ( "%02x ", uc[2*(ui+k+2)] ); + } + printf ( "]\nHighest config available is %d\n", uc[2*(ui+3)] ); + m = uc[2*(ui+2)]; + pccsock[i].configoffset = 0; + for ( j = 0; j <= (m & 3); ++j ) { + pccsock[i].configoffset += uc[2*(ui+4+j)] << (8*j); + } + pccsock[i].rmask0 = 0; + for ( j = 0; j <= ( ( ( m & 0x3c ) >> 2 ) & 3 ); ++j ) { + pccsock[i].rmask0 += uc[2*(ui+5+(m&3)+j)] << (8*j); + } + j = pccsock[i].rmask0; + printf ( "Config offset is %x, card has regs: < %s%s%s%s%s>\n", pccsock[i].configoffset, + j & 1 ? "COR ":"", j & 2 ? "CCSR ":"", j & 4 ? "PRR ":"", j & 8 ? "SCR ":"", j & 16? "ESR ":"" ); + printf ( "COR + CCSR contents (si/du) %x %x/%x %x\n", uc[pccsock[i].configoffset+0], + uc[pccsock[i].configoffset+2],uc[pccsock[i].configoffset*2],uc[(pccsock[i].configoffset*2)+2] ); + printf ( " " ); + } else if ( uc[2*ui] == 0x1b ) { // Configuration data entry + //printf ( "Config data 0x1b found [\n" );getchar(); + for ( k = 0; k < uc[2*(ui+1)]; ++k ) { + // printf ( "%02x ", uc[2*(ui+k+2)] ); + } + // Parse this tuple into pccconfig[configs] + // printf ( "]\n" ); + if ( configs == MAXPCCCONFIGS ) continue; + k = 2*ui+4; + pccconfig[configs].index = uc[k] & 0x3f; + if ( uc[k] & 0x80 ) { + // printf ( "Special config, unsupp. for now\n" ); + continue; + } + k+=2; + // printf ( "Features: %2x\n", uc[k] ); + if ( uc[k] & 0x7 ) { + // printf ( "Cannot work with Vcc/Timing configs right now\n" ); + continue; + } + pccconfig[configs].iowin = pccconfig[configs].iolen = 0; + if ( 0 != ( uc[k] & 0x8 ) ) { + k+=2; + // printf ( "Reading IO config: " ); + if ( 0 == ( uc[k] & 0x80 ) ) { + // printf ( "Cannot work with auto/io config\n" ); + continue; + } + k+=2; + if ( 0 != ( uc[k] & 0x0f ) ) { + // printf ( "Don't support more than 1 iowin right now\n" ); + continue; + } + j = (uc[k] & 0x30) >> 4; + m = (uc[k] & 0xc0) >> 6; + if ( 3 == j ) ++j; + if ( 3 == m ) ++m; + k += 2; + pccconfig[configs].iowin = 0; + pccconfig[configs].iolen = 1; + for ( n = 0; n < j; ++n, k+=2 ) { + pccconfig[configs].iowin += uc[k] << (n*8); + } + for ( n = 0; n < m; ++n, k+=2 ) { + pccconfig[configs].iolen += uc[k] << (n*8); + } + // printf ( "io %x len %d (%d)\n", pccconfig[configs].iowin, pccconfig[configs].iolen,configs ); + } + for ( j = 0; j < (uc[k] & 3); ++j ) { + // pccconfig[configs].iowin += (uc[k+(2*j)+2]) << (8*j); + } + ++configs; + } + } + if ( pccsock[i].stringoffset > 0 ) { // If no identifier, it's not a valid CIS (as of documentation...) + printf ( "[" ); + for ( k = 0; ( k < pccsock[i].stringlength ) && ( k < 64 ); ++k ) { + j = uc[pccsock[i].stringoffset + 2 * k]; + printf ( "%c", (j>=' '? j:' ' ) ); + } + printf ("]\n is type %d (", pccsock[i].type ); + switch ( pccsock[i].type ) { + case 0x00: + printf ( "MULTI" ); break; + case 0x01: + printf ( "Memory" ); break; + case 0x02: + printf ( "Serial" ); break; + case 0x03: + printf ( "Parallel" ); break; + case 0x04: + printf ( "Fixed" ); break; + case 0x05: + printf ( "Video" ); break; + case 0x06: + printf ( "Network" ); break; + case 0x07: + printf ( "AIMS" ); break; + case 0x08: + printf ( "SCSI" ); break; + case 0x106: // Special / homebrew to say "Multi/network" + printf ( "MULTI, with Network" ); break; // AHTODO find a card for this + default: + printf ( "UNSUPPORTED/UNKNOWN" ); + } + printf ( ") with %d possible configuration(s)\n", configs ); + // Now set dependency: If it's Network or multi->network, accept + if ( (inited <= 0 ) && (6 == (0xff & pccsock[i].type) ) && (0 < configs ) ) { + printf ( "activating this device with ioport %x-%x (config #%d)\n", + pccconfig[0].iowin, pccconfig[0].iowin+pccconfig[0].iolen-1, pccconfig[0].index ); + inited = i; + // And unmap attrmem ourselves! + printf ( "Activating config..." ); + if ( m=driver[pccsock[i].drivernum].f(SELECTCONFIG,pccsock[i].internalid,pccconfig[0].index,0,&pccconfig[0]) ) { + printf ("Failure(%d)!",m); inited = -1; + driver[pccsock[i].drivernum].f(UNMAPATTRMEM,pccsock[i].internalid,0,0,0); + } + printf ( "done!\n" ); + continue; + } + } else { + printf ( "unsupported - no identifier string found in CIS\n" ); + } + // unmap the PCMCIA device + if ( i != inited ) { + if ( 0 != driver[pccsock[i].drivernum].f(UNMAPATTRMEM,pccsock[i].internalid,0,0,0) ) { + printf ("PCMCIA controller failed to unmap attribute memory.\n**** SEVERE ERROR CONDITION ****\n" ); + if ( PDEBUG > 2 ) { + printf ( "<press key. THIS CONDITION SHOULD BE REPORTED!>\n" ); getchar(); + } + continue; + } + } + } + if ( PDEBUG > 2 ) { + printf ( "<press key to exit the pcmcia_init_all routine>\n" ); + getchar(); + } + +} + +static void pcmcia_shutdown_all(void) { + int i; + //if ( PDEBUG > 2 ) {printf("<press key to continue>\n" ); getchar(); } + for ( i = 0; i < pccsocks; ++i ) { + driver[pccsock[i].drivernum].f(SHUTDOWN,pccsock[i].internalid,0,0,0); + } + printf("Shutdown of PCMCIA subsystem completed"); +} + +#endif |