diff options
Diffstat (limited to 'mdk-stage1')
| -rw-r--r-- | mdk-stage1/pcmcia/pcmcia_probe.c | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/mdk-stage1/pcmcia/pcmcia_probe.c b/mdk-stage1/pcmcia/pcmcia_probe.c new file mode 100644 index 000000000..4cd88d4eb --- /dev/null +++ b/mdk-stage1/pcmcia/pcmcia_probe.c @@ -0,0 +1,394 @@ +/* + * Guillaume Cottenceau (gc@mandrakesoft.com) + * + * Copyright 2000 MandrakeSoft + * + * This software may be freely redistributed under the terms of the GNU + * public license. + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + +/* Code comes from /anonymous@projects.sourceforge.net:/pub/pcmcia-cs/pcmcia-cs-3.1.23.tar.bz2 + * + * Licence of this code follows: + + PCMCIA controller probe + + probe.c 1.52 2000/06/12 21:33:02 + + The contents of this file are subject to the Mozilla Public + License Version 1.1 (the "License"); you may not use this file + except in compliance with the License. You may obtain a copy of + the License at http://www.mozilla.org/MPL/ + + Software distributed under the License is distributed on an "AS + IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + implied. See the License for the specific language governing + rights and limitations under the License. + + The initial developer of the original code is David A. Hinds + <dahinds@users.sourceforge.net>. Portions created by David A. Hinds + are Copyright (C) 1999 David A. Hinds. All Rights Reserved. + + Alternatively, the contents of this file may be used under the + terms of the GNU Public License version 2 (the "GPL"), in which + case the provisions of the GPL are applicable instead of the + above. If you wish to allow the use of your version of this file + only under the terms of the GPL and not to allow others to use + your version of this file under the MPL, indicate your decision + by deleting the provisions above and replace them with the notice + and other provisions required by the GPL. If you do not delete + the provisions above, a recipient may use your version of this + file under either the MPL or the GPL. + +======================================================================*/ + +#include <sys/types.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <fcntl.h> + +#include "log.h" +#include "pcmcia.h" + +/*====================================================================*/ + +typedef struct { + u_short vendor, device; + char *tag; + char *name; +} pci_id_t; + +pci_id_t pci_id[] = { + { 0x1013, 0x1100, "Cirrus Logic CL 6729", "Cirrus PD6729" }, + { 0x1013, 0x1110, "Cirrus Logic PD 6832", "Cirrus PD6832" }, + { 0x10b3, 0xb106, "SMC 34C90", "SMC 34C90" }, + { 0x1180, 0x0465, "Ricoh RL5C465", "Ricoh RL5C465" }, + { 0x1180, 0x0466, "Ricoh RL5C466", "Ricoh RL5C466" }, + { 0x1180, 0x0475, "Ricoh RL5C475", "Ricoh RL5C475" }, + { 0x1180, 0x0476, "Ricoh RL5C476", "Ricoh RL5C476" }, + { 0x1180, 0x0478, "Ricoh RL5C478", "Ricoh RL5C478" }, + { 0x104c, 0xac12, "Texas Instruments PCI1130", "TI 1130" }, + { 0x104c, 0xac13, "Texas Instruments PCI1031", "TI 1031" }, + { 0x104c, 0xac15, "Texas Instruments PCI1131", "TI 1131" }, + { 0x104c, 0xac16, "Texas Instruments PCI1250", "TI 1250A" }, + { 0x104c, 0xac17, "Texas Instruments PCI1220", "TI 1220" }, + { 0x104c, 0xac19, "Texas Instruments PCI1221", "TI 1221" }, + { 0x104c, 0xac1a, "Texas Instruments PCI1210", "TI 1210" }, + { 0x104c, 0xac1d, "Texas Instruments PCI1251A", "TI 1251A" }, + { 0x104c, 0xac1f, "Texas Instruments PCI1251B", "TI 1251B" }, + { 0x104c, 0xac1b, "Texas Instruments PCI1450", "TI 1450" }, + { 0x104c, 0xac1c, "Texas Instruments PCI1225", "TI 1225" }, + { 0x104c, 0xac1e, "Texas Instruments PCI1211", "TI 1211" }, + { 0x104c, 0xac50, "Texas Instruments PCI1410", "TI 1410" }, + { 0x104c, 0xac51, "Texas Instruments PCI1420", "TI 1420" }, + { 0x1217, 0x6729, "O2 Micro 6729", "O2Micro OZ6729" }, + { 0x1217, 0x673a, "O2 Micro 6730", "O2Micro OZ6730" }, + { 0x1217, 0x6832, "O2 Micro 6832/6833", "O2Micro OZ6832/OZ6833" }, + { 0x1217, 0x6836, "O2 Micro 6836/6860", "O2Micro OZ6836/OZ6860" }, + { 0x1217, 0x6872, "O2 Micro 6812", "O2Micro OZ6812" }, + { 0x1179, 0x0603, "Toshiba ToPIC95-A", "Toshiba ToPIC95-A" }, + { 0x1179, 0x060a, "Toshiba ToPIC95-B", "Toshiba ToPIC95-B" }, + { 0x1179, 0x060f, "Toshiba ToPIC97", "Toshiba ToPIC97" }, + { 0x1179, 0x0617, "Toshiba ToPIC100", "Toshiba ToPIC100" }, + { 0x119b, 0x1221, "Omega Micro 82C092G", "Omega Micro 82C092G" }, + { 0x8086, 0x1221, "Intel 82092AA", "Intel 82092AA" } +}; +#define PCI_COUNT (sizeof(pci_id)/sizeof(pci_id_t)) + +static int pci_probe(void) +{ + char s[256], *name = NULL; + u_int device, vendor, i; + FILE *f; + + log_message("PCMCIA: probing PCI bus.."); + + f = fopen("/proc/bus/pci/devices", "r"); + + if (!f) { + log_message("where are you going without /proc/bus/pci/devices ??"); + return -1; + } + + while (fgets(s, 256, f) != NULL) { + u_int n = strtoul(s+5, NULL, 16); + vendor = (n >> 16); device = (n & 0xffff); + for (i = 0; i < PCI_COUNT; i++) + if ((vendor == pci_id[i].vendor) && + (device == pci_id[i].device)) break; + if (i < PCI_COUNT) { + name = pci_id[i].name; + break; + } + } + + fclose(f); + + if (name) { + log_message("\t%s found, 2 sockets.", name); + return 0; + } else { + log_message("\tnot found."); + return -ENODEV; + } +} + +/*====================================================================*/ + +#include <sys/io.h> +typedef u_short ioaddr_t; + +#include "i82365.h" +#include "cirrus.h" +#include "vg468.h" + +static ioaddr_t i365_base = 0x03e0; + +static u_char i365_get(u_short sock, u_short reg) +{ + u_char val = I365_REG(sock, reg); + outb(val, i365_base); val = inb(i365_base+1); + return val; +} + +static void i365_set(u_short sock, u_short reg, u_char data) +{ + u_char val = I365_REG(sock, reg); + outb(val, i365_base); outb(data, i365_base+1); +} + +static void i365_bset(u_short sock, u_short reg, u_char mask) +{ + u_char d = i365_get(sock, reg); + d |= mask; + i365_set(sock, reg, d); +} + +static void i365_bclr(u_short sock, u_short reg, u_char mask) +{ + u_char d = i365_get(sock, reg); + d &= ~mask; + i365_set(sock, reg, d); +} + +static int i365_probe(void) +{ + int val, sock, done; + char *name = "i82365sl"; + + log_message("PCMCIA: probing for Intel PCIC (ISA).."); + + sock = done = 0; + ioperm(i365_base, 4, 1); + ioperm(0x80, 1, 1); + for (; sock < 2; sock++) { + val = i365_get(sock, I365_IDENT); + switch (val) { + case 0x82: + name = "i82365sl A step"; + break; + case 0x83: + name = "i82365sl B step"; + break; + case 0x84: + name = "VLSI 82C146"; + break; + case 0x88: case 0x89: case 0x8a: + name = "IBM Clone"; + break; + case 0x8b: case 0x8c: + break; + default: + done = 1; + } + if (done) break; + } + + if (sock == 0) { + log_message("\tnot found."); + return -ENODEV; + } + + if ((sock == 2) && (strcmp(name, "VLSI 82C146") == 0)) + name = "i82365sl DF"; + + /* Check for Vadem chips */ + outb(0x0e, i365_base); + outb(0x37, i365_base); + i365_bset(0, VG468_MISC, VG468_MISC_VADEMREV); + val = i365_get(0, I365_IDENT); + if (val & I365_IDENT_VADEM) { + if ((val & 7) < 4) + name = "Vadem VG-468"; + else + name = "Vadem VG-469"; + i365_bclr(0, VG468_MISC, VG468_MISC_VADEMREV); + } + + /* Check for Cirrus CL-PD67xx chips */ + i365_set(0, PD67_CHIP_INFO, 0); + val = i365_get(0, PD67_CHIP_INFO); + if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { + val = i365_get(0, PD67_CHIP_INFO); + if ((val & PD67_INFO_CHIP_ID) == 0) { + if (val & PD67_INFO_SLOTS) + name = "Cirrus CL-PD672x"; + else { + name = "Cirrus CL-PD6710"; + sock = 1; + } + i365_set(0, PD67_EXT_INDEX, 0xe5); + if (i365_get(0, PD67_EXT_INDEX) != 0xe5) + name = "VIA VT83C469"; + } + } + + log_message("\t%s found, %d sockets.", name, sock); + return 0; + +} /* i365_probe */ + + +/*====================================================================*/ + +#include "tcic.h" + +static u_char tcic_getb(ioaddr_t base, u_char reg) +{ + u_char val = inb(base+reg); + return val; +} + +static void tcic_setb(ioaddr_t base, u_char reg, u_char data) +{ + outb(data, base+reg); +} + +static u_short tcic_getw(ioaddr_t base, u_char reg) +{ + u_short val = inw(base+reg); + return val; +} + +static void tcic_setw(ioaddr_t base, u_char reg, u_short data) +{ + outw(data, base+reg); +} + +static u_short tcic_aux_getw(ioaddr_t base, u_short reg) +{ + u_char mode = (tcic_getb(base, TCIC_MODE) & TCIC_MODE_PGMMASK) | reg; + tcic_setb(base, TCIC_MODE, mode); + return tcic_getw(base, TCIC_AUX); +} + +static void tcic_aux_setw(ioaddr_t base, u_short reg, u_short data) +{ + u_char mode = (tcic_getb(base, TCIC_MODE) & TCIC_MODE_PGMMASK) | reg; + tcic_setb(base, TCIC_MODE, mode); + tcic_setw(base, TCIC_AUX, data); +} + +static int get_tcic_id(ioaddr_t base) +{ + u_short id; + tcic_aux_setw(base, TCIC_AUX_TEST, TCIC_TEST_DIAG); + id = tcic_aux_getw(base, TCIC_AUX_ILOCK); + id = (id & TCIC_ILOCKTEST_ID_MASK) >> TCIC_ILOCKTEST_ID_SH; + tcic_aux_setw(base, TCIC_AUX_TEST, 0); + return id; +} + +static int tcic_probe_at(ioaddr_t base) +{ + int i; + u_short old; + + /* Anything there?? */ + for (i = 0; i < 0x10; i += 2) + if (tcic_getw(base, i) == 0xffff) + return -1; + + log_message("\tat %#3.3x: ", base); + + /* Try to reset the chip */ + tcic_setw(base, TCIC_SCTRL, TCIC_SCTRL_RESET); + tcic_setw(base, TCIC_SCTRL, 0); + + /* Can we set the addr register? */ + old = tcic_getw(base, TCIC_ADDR); + tcic_setw(base, TCIC_ADDR, 0); + if (tcic_getw(base, TCIC_ADDR) != 0) { + tcic_setw(base, TCIC_ADDR, old); + return -2; + } + + tcic_setw(base, TCIC_ADDR, 0xc3a5); + if (tcic_getw(base, TCIC_ADDR) != 0xc3a5) + return -3; + + return 2; +} + +static int tcic_probe(void) +{ + int sock, id; + + log_message("PCMCIA: probing for Databook TCIC-2 (ISA).."); + + ioperm(TCIC_BASE, 16, 1); + ioperm(0x80, 1, 1); + sock = tcic_probe_at(TCIC_BASE); + + if (sock <= 0) { + log_message("\tnot found."); + return -ENODEV; + } + + id = get_tcic_id(TCIC_BASE); + switch (id) { + case TCIC_ID_DB86082: + log_message("DB86082"); break; + case TCIC_ID_DB86082A: + log_message("DB86082A"); break; + case TCIC_ID_DB86084: + log_message("DB86084"); break; + case TCIC_ID_DB86084A: + log_message("DB86084A"); break; + case TCIC_ID_DB86072: + log_message("DB86072"); break; + case TCIC_ID_DB86184: + log_message("DB86184"); break; + case TCIC_ID_DB86082B: + log_message("DB86082B"); break; + default: + log_message("Unknown TCIC-2 ID 0x%02x", id); + } + log_message("\tfound at %#6x, %d sockets.\n", TCIC_BASE, sock); + + return 0; + +} /* tcic_probe */ + + +/*====================================================================*/ + +char * pcmcia_probe(void) +{ + if (!pci_probe()) + return "i82365"; + else if (!i365_probe()) + return "i82365"; + else if (!tcic_probe()) + return "tcic"; + else + return NULL; +} |