patch-1.3.94 linux/arch/m68k/amiga/zorro.c
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- Lines: 669
- Date:
Wed Mar 20 20:04:17 1996
- Orig file:
v1.3.93/linux/arch/m68k/amiga/zorro.c
- Orig date:
Thu Jan 1 02:00:00 1970
diff -u --recursive --new-file v1.3.93/linux/arch/m68k/amiga/zorro.c linux/arch/m68k/amiga/zorro.c
@@ -0,0 +1,668 @@
+/*
+ * linux/arch/m68k/amiga/zorro.c
+ *
+ * Copyright (C) 1995 Geert Uytterhoeven
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file README.legal in the main directory of this archive
+ * for more details.
+ */
+
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <asm/bitops.h>
+#include <asm/amigahw.h>
+#include <asm/bootinfo.h>
+#include <asm/zorro.h>
+
+
+#ifdef CONFIG_ZORRO
+
+ /*
+ * Zorro Expansion Device Manufacturers and Products
+ */
+
+struct Manufacturer {
+ char *Name;
+ u_short ID;
+ u_short NumProd;
+ struct Product *Products;
+};
+
+struct Product {
+ char *Name;
+ u_char ID;
+};
+
+struct GVP_Product {
+ char *Name;
+ enum GVP_ident ID;
+};
+
+
+ /*
+ * Macro's to make life easier
+ */
+
+#define BEGIN_PROD(id) static struct Product Prod_##id[] = {
+#define PROD(name, id) \
+ { name, PROD_##id },
+
+#define BEGIN_GVP_PROD static struct GVP_Product Ext_Prod_GVP[] = {
+#define GVP_PROD(name, id) \
+ { name, GVP_##id },
+
+#define BEGIN_MANUF static struct Manufacturer Manufacturers[] = {
+#define MANUF(name, id) \
+ { name, MANUF_##id, sizeof(Prod_##id)/sizeof(struct Product), Prod_##id },
+
+#define END };
+
+
+ /*
+ * Known Zorro Expansion Devices
+ *
+ * Warning: Make sure the Manufacturer and Product names are not too
+ * long (max. 80 characters per board identification line)
+ */
+
+BEGIN_PROD(MEMPHIS)
+ PROD("Stormbringer", STORMBRINGER)
+END
+
+BEGIN_PROD(COMMODORE2)
+ PROD("A2088 Bridgeboard", A2088)
+ PROD("A2386-SX Bridgeboard", A2386SX)
+END
+
+BEGIN_PROD(COMMODORE)
+ PROD("A2090/A2090A HD Controller", A2090A)
+ PROD("A590 SCSI Controller", A590)
+ PROD("A2091 SCSI Controller", A2091)
+ PROD("A2090B 2090 Autoboot Card", A2090B)
+ PROD("A2060 Arcnet Card", ARCNET)
+ PROD("A2052/58.RAM | 590/2091.RAM", CBMRAM)
+ PROD("A560 Memory Module", A560RAM)
+ PROD("A2232 Serial Prototype", A2232PROTO)
+ PROD("A2232 Serial Production", A2232)
+ PROD("A2620 68020/RAM Card", A2620)
+ PROD("A2630 68030/RAM Card", A2630)
+ PROD("A4091 SCSI Controller", A4091)
+ PROD("Romulator Card", ROMULATOR)
+ PROD("A3000 Test Fixture", A3000TESTFIX)
+ PROD("A2065 Ethernet Card", A2065)
+END
+
+BEGIN_PROD(CARDCO)
+ PROD("Cardco A2410 Hires Graphics card", CC_A2410)
+END
+
+BEGIN_PROD(MICROBOTICS)
+ PROD("VXL-30 Turbo Board", VXL_30)
+END
+
+BEGIN_PROD(ASDG)
+ PROD("Lan Rover Ethernet", LAN_ROVER)
+ PROD("Dual Serial Card", ASDG_DUAL_SERIAL)
+END
+
+BEGIN_PROD(UNIV_OF_LOWELL)
+ PROD("A2410 Hires Graphics Card", A2410)
+END
+
+BEGIN_PROD(AMERISTAR)
+ PROD("A2065 Ethernet Card", AMERISTAR2065)
+ PROD("A560 Arcnet Card", A560)
+ PROD("A4066 Ethernet Card", A4066)
+END
+
+BEGIN_PROD(SUPRA)
+ PROD("Wordsync SCSI Controller", WORDSYNC)
+ PROD("Wordsync II SCSI Controller", WORDSYNC_II)
+ PROD("2400 Modem", SUPRA_2400MODEM)
+END
+
+BEGIN_PROD(CSA)
+ PROD("Magnum 40 SCSI Controller", MAGNUM)
+ PROD("12 Gauge SCSI Controller", 12GAUGE)
+END
+
+BEGIN_PROD(POWER_COMPUTING)
+ PROD("Viper II Turbo Board (DKB 1240)", DKB_1240)
+END
+
+BEGIN_PROD(GVP)
+ PROD("Generic GVP product", GVP)
+ PROD("Series II SCSI Controller", GVPIISCSI)
+ PROD("Series II SCSI Controller", GVPIISCSI_2)
+ PROD("Series II RAM", GVPIIRAM)
+ PROD("GFORCE 040 with SCSI Controller", GFORCE_040_SCSI)
+ PROD("IV-24 Graphics Board", GVPIV_24)
+/*
+ PROD("I/O Extender", GVPIO_EXT)
+*/
+END
+
+BEGIN_GVP_PROD
+ GVP_PROD("GFORCE 040", GFORCE_040)
+ GVP_PROD("GFORCE 040 with SCSI controller", GFORCE_040_SCSI)
+ GVP_PROD("A1291 SCSI controller", A1291_SCSI)
+ GVP_PROD("COMBO 030 R4", COMBO_R4)
+ GVP_PROD("COMBO 030 R4 with SCSI controller", COMBO_R4_SCSI)
+ GVP_PROD("Phone Pak", PHONEPAK)
+ GVP_PROD("IO-Extender", IOEXT)
+ GVP_PROD("GFORCE 030", GFORCE_030)
+ GVP_PROD("GFORCE 030 with SCSI controller", GFORCE_030_SCSI)
+ GVP_PROD("A530", A530)
+ GVP_PROD("A530 with SCSI", A530_SCSI)
+ GVP_PROD("COMBO 030 R3", COMBO_R3)
+ GVP_PROD("COMBO 030 R3 with SCSI controller", COMBO_R3_SCSI)
+ GVP_PROD("SERIES-II SCSI controller", SERIESII)
+END
+
+BEGIN_PROD(PPI)
+ PROD("Mercury Turbo Board", MERCURY)
+ PROD("PP&S A3000 68040 Turbo Board", PPS_A3000_040)
+ PROD("PP&S A2000 68040 Turbo Board", PPS_A2000_040)
+ PROD("Zeus SCSI Controller", ZEUS)
+ PROD("PP&S A500 68040 Turbo Board", PPS_A500_040)
+END
+
+BEGIN_PROD(BSC)
+ PROD("ALF 3 SCSI Controller", ALF_3_SCSI)
+END
+
+BEGIN_PROD(C_LTD)
+ PROD("Kronos SCSI Controller", KRONOS_SCSI)
+END
+
+BEGIN_PROD(JOCHHEIM)
+ PROD("Jochheim RAM", JOCHHEIM_RAM)
+END
+
+BEGIN_PROD(CHECKPOINT)
+ PROD("Serial Solution", SERIAL_SOLUTION)
+END
+
+BEGIN_PROD(GOLEM)
+ PROD("Golem SCSI-II Controller", GOLEM_SCSI_II)
+END
+
+BEGIN_PROD(HARDITAL_SYNTHES)
+ PROD("SCSI Controller", HARDITAL_SCSI)
+END
+
+BEGIN_PROD(BSC2)
+ PROD("Oktagon 2008 SCSI Controller", OKTAGON_SCSI)
+ PROD("Tandem", TANDEM)
+ PROD("Oktagon 2008 RAM", OKTAGON_RAM)
+ PROD("Alfa Data MultiFace I", MULTIFACE_I)
+ PROD("Alfa Data MultiFace II", MULTIFACE_II)
+ PROD("Alfa Data MultiFace III", MULTIFACE_III)
+ PROD("ISDN Master", ISDN_MASTER)
+END
+
+BEGIN_PROD(ADV_SYS_SOFT)
+ PROD("Nexus SCSI Controller", NEXUS_SCSI)
+ PROD("Nexus RAM", NEXUS_RAM)
+END
+
+BEGIN_PROD(IVS)
+ PROD("Trumpcard 500 SCSI Controller", TRUMPCARD_500)
+ PROD("Trumpcard SCSI Controller", TRUMPCARD)
+ PROD("Vector SCSI Controller", VECTOR)
+END
+
+BEGIN_PROD(XPERT_PRODEV)
+ PROD("Merlin Graphics Board (RAM)", MERLIN_RAM)
+ PROD("Merlin Graphics Board (REG)", MERLIN_REG)
+END
+
+BEGIN_PROD(HYDRA_SYSTEMS)
+ PROD("Amiganet Board", AMIGANET)
+END
+
+BEGIN_PROD(DIG_MICRONICS)
+ PROD("DMI Resolver Graphics Board", DMI_RESOLVER)
+END
+
+BEGIN_PROD(HELFRICH1)
+ PROD("Rainbow3 Graphics Board", RAINBOW3)
+END
+
+BEGIN_PROD(SW_RESULT_ENTS)
+ PROD("GG2+ Bus Converter", GG2PLUS)
+END
+
+BEGIN_PROD(VILLAGE_TRONIC)
+ PROD("Ariadne Ethernet Card", ARIADNE)
+ PROD("Picasso II Graphics Board (RAM)", PICASSO_II_RAM)
+ PROD("Picasso II Graphics Board (REG)", PICASSO_II_REG)
+END
+
+BEGIN_PROD(UTILITIES_ULTD)
+ PROD("Emplant Deluxe SCSI Controller", EMPLANT_DELUXE)
+ PROD("Emplant Deluxe SCSI Controller", EMPLANT_DELUXE2)
+END
+
+BEGIN_PROD(MTEC)
+ PROD("68030 Turbo Board", MTEC_68030)
+ PROD("T1230/28 Turbo Board", MTEC_T1230)
+END
+
+BEGIN_PROD(GVP2)
+ PROD("Spectrum Graphics Board (RAM)", SPECTRUM_RAM)
+ PROD("Spectrum Graphics Board (REG)", SPECTRUM_REG)
+END
+
+BEGIN_PROD(HELFRICH2)
+ PROD("Piccolo Graphics Board (RAM)", PICCOLO_RAM)
+ PROD("Piccolo Graphics Board (REG)", PICCOLO_REG)
+ PROD("PeggyPlus MPEG Decoder Board", PEGGY_PLUS)
+ PROD("SD64 Graphics Board (RAM)", SD64_RAM)
+ PROD("SD64 Graphics Board (REG)", SD64_REG)
+END
+
+BEGIN_PROD(MACROSYSTEMS)
+ PROD("Warp Engine SCSI Controller", WARP_ENGINE)
+END
+
+BEGIN_PROD(HARMS_PROF)
+ PROD("3500 Turbo board", 3500_TURBO)
+END
+
+BEGIN_PROD(VORTEX)
+ PROD("Golden Gate 80386 Board", GOLDEN_GATE_386)
+ PROD("Golden Gate RAM", GOLDEN_GATE_RAM)
+ PROD("Golden Gate 80486 Board", GOLDEN_GATE_486)
+END
+
+BEGIN_PROD(DATAFLYER)
+ PROD("4000SX SCSI Controller", DATAFLYER_4000SX)
+END
+
+BEGIN_PROD(PHASE5)
+ PROD("FastLane RAM", FASTLANE_RAM)
+ PROD("FastLane/Blizzard 1230-II SCSI Controller", FASTLANE_SCSI)
+ PROD("Blizzard 1230-III Turbo Board", BLIZZARD_1230_III)
+ PROD("Blizzard 1230-IV Turbo Board", BLIZZARD_1230_IV)
+ PROD("CyberVision64 Graphics Board", CYBERVISION)
+END
+
+BEGIN_PROD(APOLLO)
+ PROD("AT-Apollo", AT_APOLLO)
+ PROD("Turbo Board", APOLLO_TURBO)
+END
+
+BEGIN_PROD(UWE_GERLACH)
+ PROD("RAM/ROM", UG_RAM_ROM)
+END
+
+BEGIN_PROD(MACROSYSTEMS2)
+ PROD("Maestro", MAESTRO)
+ PROD("VLab", VLAB)
+ PROD("Maestro Pro", MAESTRO_PRO)
+ PROD("Retina Z2 Graphics Board", RETINA_Z2)
+ PROD("MultiEvolution", MULTI_EVOLUTION)
+ PROD("Retina Z3 Graphics Board", RETINA_Z3)
+END
+
+BEGIN_MANUF
+ MANUF("Memphis", MEMPHIS)
+ MANUF("Commodore", COMMODORE2)
+ MANUF("Commodore", COMMODORE)
+ MANUF("Cardco", CARDCO)
+ MANUF("MicroBotics", MICROBOTICS)
+ MANUF("ASDG", ASDG)
+ MANUF("University of Lowell", UNIV_OF_LOWELL)
+ MANUF("Ameristar", AMERISTAR)
+ MANUF("Supra", SUPRA)
+ MANUF("CSA", CSA)
+ MANUF("Power Computing", POWER_COMPUTING)
+ MANUF("Great Valley Products", GVP)
+ MANUF("Progressive Peripherals", PPI)
+ MANUF("BSC", BSC)
+ MANUF("C Ltd.", C_LTD)
+ MANUF("Jochheim", JOCHHEIM)
+ MANUF("Checkpoint Technologies", CHECKPOINT)
+ MANUF("Golem", GOLEM)
+ MANUF("Hardital Synthesis", HARDITAL_SYNTHES)
+ MANUF("BSC", BSC2)
+ MANUF("Advanced Systems & Software", ADV_SYS_SOFT)
+ MANUF("IVS", IVS)
+ MANUF("XPert/ProDev", XPERT_PRODEV)
+ MANUF("Hydra Systems", HYDRA_SYSTEMS)
+ MANUF("Digital Micronics", DIG_MICRONICS)
+ MANUF("Helfrich", HELFRICH1)
+ MANUF("Software Result Enterprises", SW_RESULT_ENTS)
+ MANUF("Village Tronic", VILLAGE_TRONIC)
+ MANUF("Utilities Unlimited", UTILITIES_ULTD)
+ MANUF("MTEC", MTEC)
+ MANUF("Great Valley Products", GVP2)
+ MANUF("Helfrich", HELFRICH2)
+ MANUF("MacroSystems", MACROSYSTEMS)
+ MANUF("Harms Professional", HARMS_PROF)
+ MANUF("Vortex", VORTEX)
+ MANUF("DataFlyer", DATAFLYER)
+ MANUF("Phase5", PHASE5)
+ MANUF("Apollo", APOLLO)
+ MANUF("Uwe Gerlach", UWE_GERLACH)
+ MANUF("MacroSystems", MACROSYSTEMS2)
+END
+
+#define NUM_MANUF (sizeof(Manufacturers)/sizeof(struct Manufacturer))
+#define NUM_GVP_PROD (sizeof(Ext_Prod_GVP)/sizeof(struct GVP_Product))
+
+#endif /* CONFIG_ZORRO */
+
+
+ /*
+ * Configured Expansion Devices
+ */
+
+static u_long BoardPartFlags[NUM_AUTO] = { 0, };
+
+
+ /*
+ * Find the key for the next unconfigured expansion device of a specific
+ * type.
+ *
+ * Part is a device specific number (0 <= part <= 31) to allow for the
+ * independent configuration of independent parts of an expansion board.
+ * Thanks to Jes Soerensen for this idea!
+ *
+ * Index is used to specify the first board in the autocon list
+ * to be tested. It was inserted in order to solve the problem
+ * with the GVP boards that uses the same product code, but
+ * it should help if there are other companies uses the same
+ * method as GVP. Drivers for boards which are not using this
+ * method does not need to think of this - just set index = 0.
+ *
+ * Example:
+ *
+ * while ((key = zorro_find(MY_MANUF, MY_PROD, MY_PART, 0))) {
+ * cd = zorro_get_board(key);
+ * initialise_this_board;
+ * zorro_config_board(key, MY_PART);
+ * }
+ */
+
+int zorro_find(int manuf, int prod, int part, int index)
+{
+ int key;
+ struct ConfigDev *cd;
+
+ if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
+ return(0);
+
+ if ((part < 0) || (part > 31)) {
+ printk("zorro_find: bad part %d\n", part);
+ return(0);
+ }
+
+ for (key = index + 1; key <= boot_info.bi_amiga.num_autocon; key++) {
+ cd = &boot_info.bi_amiga.autocon[key-1];
+ if ((cd->cd_Rom.er_Manufacturer == manuf) &&
+ (cd->cd_Rom.er_Product == prod) &&
+ !(BoardPartFlags[key-1] & (1<<part)))
+ break;
+ }
+ return(key <= boot_info.bi_amiga.num_autocon ? key : 0);
+}
+
+
+ /*
+ * Get the board for a specified key
+ */
+
+struct ConfigDev *zorro_get_board(int key)
+{
+ struct ConfigDev *cd = NULL;
+
+ if ((key < 1) || (key > boot_info.bi_amiga.num_autocon))
+ printk("zorro_get_board: bad key %d\n", key);
+ else
+ cd = &boot_info.bi_amiga.autocon[key-1];
+
+ return(cd);
+}
+
+
+ /*
+ * Mark a part of a board as configured
+ */
+
+void zorro_config_board(int key, int part)
+{
+ if ((key < 1) || (key > boot_info.bi_amiga.num_autocon))
+ printk("zorro_config_board: bad key %d\n", key);
+ else if ((part < 0) || (part > 31))
+ printk("zorro_config_board: bad part %d\n", part);
+ else
+ BoardPartFlags[key-1] |= 1<<part;
+}
+
+
+ /*
+ * Mark a part of a board as unconfigured
+ *
+ * This function is mainly intended for the unloading of LKMs
+ */
+
+void zorro_unconfig_board(int key, int part)
+{
+ if ((key < 1) || (key > boot_info.bi_amiga.num_autocon))
+ printk("zorro_unconfig_board: bad key %d\n", key);
+ else if ((part < 0) || (part > 31))
+ printk("zorro_unconfig_board: bad part %d\n", part);
+ else
+ BoardPartFlags[key-1] &= ~(1<<part);
+}
+
+
+#ifdef CONFIG_ZORRO
+
+ /*
+ * Identify an AutoConfig Expansion Device
+ *
+ * If the board was configured by a Linux/m68k driver, an asterisk will
+ * be printed before the board address (except for unknown and `Hacker
+ * Test' boards).
+ */
+
+static int identify(int devnum, char *buf)
+{
+ struct ConfigDev *cd;
+ int manuf, prod;
+ u_long addr, size;
+ char *manufname, *prodname, *is_mem;
+ char zorro, mag, configured;
+ int identified = 0;
+ int i, j, k, len = 0;
+ enum GVP_ident epc;
+
+ cd = &boot_info.bi_amiga.autocon[devnum];
+ manuf = cd->cd_Rom.er_Manufacturer;
+ prod = cd->cd_Rom.er_Product;
+ addr = (u_long)cd->cd_BoardAddr;
+ size = cd->cd_BoardSize;
+ configured = BoardPartFlags[devnum] ? '*' : ' ';
+ manufname = prodname = "<UNKNOWN>";
+
+ for (i = 0; i < NUM_MANUF; i++)
+ if (Manufacturers[i].ID == manuf) {
+ manufname = Manufacturers[i].Name;
+ for (j = 0; j < Manufacturers[i].NumProd; j++)
+ if (Manufacturers[i].Products[j].ID == prod)
+ if ((manuf != MANUF_GVP) || (prod != PROD_GVP)) {
+ prodname = Manufacturers[i].Products[j].Name;
+ identified = 1;
+ break;
+ } else {
+ epc = *(enum GVP_ident *)ZTWO_VADDR(addr+0x8000) &
+ GVP_EPCMASK;
+ for (k = 0; k < NUM_GVP_PROD; k++)
+ if (Ext_Prod_GVP[k].ID == epc) {
+ prodname = Ext_Prod_GVP[k].Name;
+ identified = 1;
+ break;
+ }
+ }
+ break;
+ }
+
+ switch (cd->cd_Rom.er_Type & ERT_TYPEMASK) {
+ case ERT_ZORROII:
+ zorro = '2';
+ break;
+ case ERT_ZORROIII:
+ zorro = '3';
+ break;
+ default:
+ zorro = '?';
+ break;
+ }
+ if (size & 0xfffff) {
+ size >>= 10;
+ mag = 'K';
+ } else {
+ size >>= 20;
+ mag = 'M';
+ }
+ if (cd->cd_Rom.er_Type & ERTF_MEMLIST)
+ is_mem = " MEM";
+ else
+ is_mem = "";
+
+ if (identified)
+ len = sprintf(buf, " %c0x%08lx: %s %s (Z%c, %ld%c%s)\n", configured, addr,
+ manufname, prodname, zorro, size, mag, is_mem);
+ else if (manuf == MANUF_HACKER)
+ len = sprintf(buf, " 0x%08lx: Hacker Test Board 0x%02x (Z%c, %ld%c%s)\n",
+ addr, prod, zorro, size, mag, is_mem);
+ else {
+ len = sprintf(buf, " 0x%08lx: [%04x:%02x] made by %s (Z%c, %ld%c%s)\n",
+ addr, manuf, prod, manufname, zorro, size, mag, is_mem);
+ len += sprintf(buf+len, " Please report this unknown device to "
+ "Geert.Uytterhoeven@cs.kuleuven.ac.be\n");
+ }
+ return(len);
+}
+
+
+ /*
+ * Identify all known AutoConfig Expansion Devices
+ */
+
+void zorro_identify(void)
+{
+ int i;
+ char tmp[160];
+
+ if (!AMIGAHW_PRESENT(ZORRO))
+ return;
+
+ printk("Probing AutoConfig expansion device(s):\n");
+ for (i = 0; i < boot_info.bi_amiga.num_autocon; i++) {
+ identify(i, tmp);
+ printk(tmp);
+ }
+ if (!boot_info.bi_amiga.num_autocon)
+ printk("No AutoConfig expansion devices present.\n");
+}
+
+
+ /*
+ * Get the list of all AutoConfig Expansion Devices
+ */
+
+int zorro_get_list(char *buffer)
+{
+ int i, j, len = 0;
+ char tmp[160];
+
+ if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) {
+ len = sprintf(buffer, "AutoConfig expansion devices:\n");
+ for (i = 0; i < boot_info.bi_amiga.num_autocon; i++) {
+ j = identify(i, tmp);
+ if (len+j >= 4075) {
+ len += sprintf(buffer+len, "4K limit reached!\n");
+ break;
+ }
+ strcpy(buffer+len, tmp);
+ len += j;
+ }
+ }
+ return(len);
+}
+
+#endif /* CONFIG_ZORRO */
+
+
+ /*
+ * Bitmask indicating portions of available Zorro II RAM that are unused
+ * by the system. Every bit represents a 64K chunk, for a maximum of 8MB
+ * (128 chunks, physical 0x00200000-0x009fffff).
+ *
+ * If you want to use (= allocate) portions of this RAM, you should clear
+ * the corresponding bits.
+ *
+ * Possible uses:
+ * - z2ram device
+ * - SCSI DMA bounce buffers
+ */
+
+u_long zorro_unused_z2ram[4] = { 0, 0, 0, 0 };
+
+
+static void mark_region(u_long addr, u_long size, int flag)
+{
+ u_long start, end, chunk;
+
+ if (flag) {
+ start = (addr+Z2RAM_CHUNKMASK) & ~Z2RAM_CHUNKMASK;
+ end = (addr+size) & ~Z2RAM_CHUNKMASK;
+ } else {
+ start = addr & ~Z2RAM_CHUNKMASK;
+ end = (addr+size+Z2RAM_CHUNKMASK) & ~Z2RAM_CHUNKMASK;
+ }
+ if (end <= Z2RAM_START || start >= Z2RAM_END)
+ return;
+ start = start < Z2RAM_START ? 0x00000000 : start-Z2RAM_START;
+ end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START;
+ while (start < end) {
+ chunk = start>>Z2RAM_CHUNKSHIFT;
+ if (flag)
+ set_bit( chunk, zorro_unused_z2ram );
+ else
+ clear_bit( chunk, zorro_unused_z2ram );
+ start += Z2RAM_CHUNKSIZE;
+ }
+}
+
+
+ /*
+ * Initialization
+ */
+
+void zorro_init(void)
+{
+ int i;
+ struct ConfigDev *cd;
+
+ if (!AMIGAHW_PRESENT(ZORRO))
+ return;
+
+ /* Mark all available Zorro II memory */
+ for (i = 0; i < boot_info.bi_amiga.num_autocon; i++) {
+ cd = &boot_info.bi_amiga.autocon[i];
+ if (cd->cd_Rom.er_Type & ERTF_MEMLIST)
+ mark_region((u_long)cd->cd_BoardAddr, cd->cd_BoardSize, 1);
+ }
+ /* Unmark all used Zorro II memory */
+ for (i = 0; i < boot_info.num_memory; i++)
+ mark_region(boot_info.memory[i].addr, boot_info.memory[i].size, 0);
+}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this