^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * eisa_enumerator.c - provide support for EISA adapters in PA-RISC machines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2002 Daniel Engstrom <5116@telia.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/ioport.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm/byteorder.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/eisa_bus.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/eisa_eeprom.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * Todo:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) * PORT init with MASK attr and other size than byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * MEMORY with other decode than 20 bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * CRC stuff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * FREEFORM stuff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define EPI 0xc80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define NUM_SLOT 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define SLOT2PORT(x) (x<<12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /* macros to handle unaligned accesses and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * byte swapping. The data in the EEPROM is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * little-endian on the big-endian PAROSC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define get_8(x) (*(u_int8_t*)(x))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) static inline u_int16_t get_16(const unsigned char *x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) return (x[1] << 8) | x[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static inline u_int32_t get_32(const unsigned char *x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return (x[3] << 24) | (x[2] << 16) | (x[1] << 8) | x[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) static inline u_int32_t get_24(const unsigned char *x)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) return (x[2] << 24) | (x[1] << 16) | (x[0] << 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) static void print_eisa_id(char *s, u_int32_t id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) char vendor[4];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) int rev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int device;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) rev = id & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) id >>= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) device = id & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) id >>= 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) vendor[3] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) vendor[2] = '@' + (id & 0x1f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) id >>= 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) vendor[1] = '@' + (id & 0x1f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) id >>= 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) vendor[0] = '@' + (id & 0x1f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) id >>= 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) sprintf(s, "%s%02X%02X", vendor, device, rev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static int configure_memory(const unsigned char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) struct resource *mem_parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) u_int8_t c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) len=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) for (i=0;i<HPEE_MEMORY_MAX_ENT;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) c = get_8(buf+len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) res->name = name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) res->start = mem_parent->start + get_24(buf+len+2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) res->end = res->start + get_16(buf+len+5)*1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) res->flags = IORESOURCE_MEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) pr_cont("memory %pR ", res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) result = request_resource(mem_parent, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (result < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) printk(KERN_ERR "EISA Enumerator: failed to claim EISA Bus address space!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) len+=7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) if (!(c & HPEE_MEMORY_MORE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static int configure_irq(const unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) u_int8_t c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) len=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) for (i=0;i<HPEE_IRQ_MAX_ENT;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) c = get_8(buf+len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) pr_cont("IRQ %d ", c & HPEE_IRQ_CHANNEL_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) if (c & HPEE_IRQ_TRIG_LEVEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) eisa_make_irq_level(c & HPEE_IRQ_CHANNEL_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) eisa_make_irq_edge(c & HPEE_IRQ_CHANNEL_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) len+=2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) /* hpux seems to allow for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) * two bytes of irq data but only defines one of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) * them, I think */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) if (!(c & HPEE_IRQ_MORE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) static int configure_dma(const unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) u_int8_t c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) len=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) for (i=0;i<HPEE_DMA_MAX_ENT;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) c = get_8(buf+len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) pr_cont("DMA %d ", c&HPEE_DMA_CHANNEL_MASK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) /* fixme: maybe initialize the dma channel withthe timing ? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) len+=2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (!(c & HPEE_DMA_MORE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static int configure_port(const unsigned char *buf, struct resource *io_parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) char *board)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) u_int8_t c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) len=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) for (i=0;i<HPEE_PORT_MAX_ENT;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) c = get_8(buf+len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (NULL != (res = kzalloc(sizeof(struct resource), GFP_KERNEL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) res->name = board;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) res->start = get_16(buf+len+1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) res->end = get_16(buf+len+1)+(c&HPEE_PORT_SIZE_MASK)+1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) res->flags = IORESOURCE_IO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) pr_cont("ioports %pR ", res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) result = request_resource(io_parent, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (result < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) printk(KERN_ERR "EISA Enumerator: failed to claim EISA Bus address space!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) len+=3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) if (!(c & HPEE_PORT_MORE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) /* byte 1 and 2 is the port number to write
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * and at byte 3 the value to write starts.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) * I assume that there are and- and or- masks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) * here when HPEE_PORT_INIT_MASK is set but I have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) * not yet encountered this. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) static int configure_port_init(const unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int len=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) u_int8_t c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) while (len<HPEE_PORT_INIT_MAX_LEN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) int s=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) c = get_8(buf+len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) switch (c & HPEE_PORT_INIT_WIDTH_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) case HPEE_PORT_INIT_WIDTH_BYTE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) s=1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) if (c & HPEE_PORT_INIT_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) printk(KERN_WARNING "port_init: unverified mask attribute\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) outb((inb(get_16(buf+len+1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) get_8(buf+len+3)) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) get_8(buf+len+4)), get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) outb(get_8(buf+len+3), get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) case HPEE_PORT_INIT_WIDTH_WORD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) s=2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) if (c & HPEE_PORT_INIT_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) printk(KERN_WARNING "port_init: unverified mask attribute\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) outw((inw(get_16(buf+len+1)) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) get_16(buf+len+3)) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) get_16(buf+len+5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) outw(cpu_to_le16(get_16(buf+len+3)), get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) case HPEE_PORT_INIT_WIDTH_DWORD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) s=4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) if (c & HPEE_PORT_INIT_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) printk(KERN_WARNING "port_init: unverified mask attribute\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) outl((inl(get_16(buf+len+1) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) get_32(buf+len+3)) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) get_32(buf+len+7)), get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) outl(cpu_to_le32(get_32(buf+len+3)), get_16(buf+len+1));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) printk(KERN_ERR "Invalid port init word %02x\n", c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (c & HPEE_PORT_INIT_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) s*=2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) len+=s+3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) if (!(c & HPEE_PORT_INIT_MORE)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) static int configure_choise(const unsigned char *buf, u_int8_t *info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) /* theis record contain the value of the functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) * configuration choises and an info byte which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) * describes which other records to expect in this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) * function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) len = get_8(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) *info=get_8(buf+len+1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return len+2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) static int configure_type_string(const unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) int len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) /* just skip past the type field */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) len = get_8(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) if (len > 80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) printk(KERN_ERR "eisa_enumerator: type info field too long (%d, max is 80)\n", len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) return 1+len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) static int configure_function(const unsigned char *buf, int *more)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) /* the init field seems to be a two-byte field
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) * which is non-zero if there are an other function following
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * I think it is the length of the function def
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) *more = get_16(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) static int parse_slot_config(int slot,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) const unsigned char *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) struct eeprom_eisa_slot_info *es,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) struct resource *io_parent,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) struct resource *mem_parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) int res=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) int function_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) unsigned int pos=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) unsigned int maxlen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) int num_func=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) u_int8_t flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) int p0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) char *board;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) int id_string_used=0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) if (NULL == (board = kmalloc(8, GFP_KERNEL))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) print_eisa_id(board, es->eisa_slot_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) printk(KERN_INFO "EISA slot %d: %s %s ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) slot, board, es->flags&HPEE_FLAG_BOARD_IS_ISA ? "ISA" : "EISA");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) maxlen = es->config_data_length < HPEE_MAX_LENGTH ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) es->config_data_length : HPEE_MAX_LENGTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) while ((pos < maxlen) && (num_func <= es->num_functions)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) pos+=configure_function(buf+pos, &function_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) if (!function_len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) num_func++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) p0 = pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) pos += configure_choise(buf+pos, &flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) if (flags & HPEE_FUNCTION_INFO_F_DISABLED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) /* function disabled, skip silently */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) pos = p0 + function_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) if (flags & HPEE_FUNCTION_INFO_CFG_FREE_FORM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) /* I have no idea how to handle this */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) printk("function %d have free-form configuration, skipping ",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) num_func);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) pos = p0 + function_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) /* the ordering of the sections need
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) * more investigation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) * Currently I think that memory comaed before IRQ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) * I assume the order is LSB to MSB in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) * info flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) * eg type, memory, irq, dma, port, HPEE_PORT_init
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) if (flags & HPEE_FUNCTION_INFO_HAVE_TYPE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) pos += configure_type_string(buf+pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) if (flags & HPEE_FUNCTION_INFO_HAVE_MEMORY) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) id_string_used=1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) pos += configure_memory(buf+pos, mem_parent, board);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) if (flags & HPEE_FUNCTION_INFO_HAVE_IRQ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) pos += configure_irq(buf+pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) if (flags & HPEE_FUNCTION_INFO_HAVE_DMA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) pos += configure_dma(buf+pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) if (flags & HPEE_FUNCTION_INFO_HAVE_PORT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) id_string_used=1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) pos += configure_port(buf+pos, io_parent, board);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) if (flags & HPEE_FUNCTION_INFO_HAVE_PORT_INIT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) pos += configure_port_init(buf+pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (p0 + function_len < pos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) printk(KERN_ERR "eisa_enumerator: function %d length mis-match "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) "got %d, expected %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) num_func, pos-p0, function_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) res=-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) pos = p0 + function_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) pr_cont("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) if (!id_string_used) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) kfree(board);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) if (pos != es->config_data_length) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) printk(KERN_ERR "eisa_enumerator: config data length mis-match got %d, expected %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) pos, es->config_data_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) res=-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (num_func != es->num_functions) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) printk(KERN_ERR "eisa_enumerator: number of functions mis-match got %d, expected %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) num_func, es->num_functions);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) res=-2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) static int init_slot(int slot, struct eeprom_eisa_slot_info *es)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) unsigned int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) char id_string[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) if (!(es->slot_info&HPEE_SLOT_INFO_NO_READID)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) /* try to read the id of the board in the slot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) id = le32_to_cpu(inl(SLOT2PORT(slot)+EPI));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (0xffffffff == id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) /* Maybe we didn't expect a card to be here... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) if (es->eisa_slot_id == 0xffffffff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) /* this board is not here or it does not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) * support readid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) printk(KERN_ERR "EISA slot %d a configured board was not detected (",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) print_eisa_id(id_string, es->eisa_slot_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) printk(" expected %s)\n", id_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) if (es->eisa_slot_id != id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) print_eisa_id(id_string, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) printk(KERN_ERR "EISA slot %d id mis-match: got %s",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) slot, id_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) print_eisa_id(id_string, es->eisa_slot_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) printk(" expected %s\n", id_string);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) /* now: we need to enable the board if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) * it supports enabling and run through
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) * the port init sction if present
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) * and finally record any interrupt polarity
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) if (es->slot_features & HPEE_SLOT_FEATURES_ENABLE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) /* enable board */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) outb(0x01| inb(SLOT2PORT(slot)+EPI+4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) SLOT2PORT(slot)+EPI+4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) int eisa_enumerator(unsigned long eeprom_addr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) struct resource *io_parent, struct resource *mem_parent)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) struct eeprom_header *eh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) static char eeprom_buf[HPEE_MAX_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) for (i=0; i < HPEE_MAX_LENGTH; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) eeprom_buf[i] = gsc_readb(eeprom_addr+i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) printk(KERN_INFO "Enumerating EISA bus\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) eh = (struct eeprom_header*)(eeprom_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) for (i=0;i<eh->num_slots;i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) struct eeprom_eisa_slot_info *es;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) es = (struct eeprom_eisa_slot_info*)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) (&eeprom_buf[HPEE_SLOT_INFO(i)]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) if (-1==init_slot(i+1, es)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) if (es->config_data_offset < HPEE_MAX_LENGTH) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) if (parse_slot_config(i+1, &eeprom_buf[es->config_data_offset],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) es, io_parent, mem_parent)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) printk (KERN_WARNING "EISA EEPROM offset 0x%x out of range\n",es->config_data_offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) return eh->num_slots;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516)
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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