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-rw-r--r--cmd/pcmcia.c346
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diff --git a/cmd/pcmcia.c b/cmd/pcmcia.c
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+/*
+ * (C) Copyright 2000-2006
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ ********************************************************************
+ *
+ * Lots of code copied from:
+ *
+ * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series.
+ * (C) 1999-2000 Magnus Damm <damm@bitsmart.com>
+ *
+ * "The ExCA standard specifies that socket controllers should provide
+ * two IO and five memory windows per socket, which can be independently
+ * configured and positioned in the host address space and mapped to
+ * arbitrary segments of card address space. " - David A Hinds. 1999
+ *
+ * This controller does _not_ meet the ExCA standard.
+ *
+ * m8xx pcmcia controller brief info:
+ * + 8 windows (attrib, mem, i/o)
+ * + up to two slots (SLOT_A and SLOT_B)
+ * + inputpins, outputpins, event and mask registers.
+ * - no offset register. sigh.
+ *
+ * Because of the lacking offset register we must map the whole card.
+ * We assign each memory window PCMCIA_MEM_WIN_SIZE address space.
+ * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO
+ * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE.
+ * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE.
+ * They are maximum 64KByte each...
+ */
+
+/* #define DEBUG 1 */
+
+/*
+ * PCMCIA support
+ */
+#include <common.h>
+#include <command.h>
+#include <config.h>
+#include <pcmcia.h>
+#include <asm/io.h>
+
+/* -------------------------------------------------------------------- */
+
+#if defined(CONFIG_CMD_PCMCIA)
+
+extern int pcmcia_on (void);
+extern int pcmcia_off (void);
+
+int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ int rcode = 0;
+
+ if (argc != 2) {
+ printf ("Usage: pinit {on | off}\n");
+ return 1;
+ }
+ if (strcmp(argv[1],"on") == 0) {
+ rcode = pcmcia_on ();
+ } else if (strcmp(argv[1],"off") == 0) {
+ rcode = pcmcia_off ();
+ } else {
+ printf ("Usage: pinit {on | off}\n");
+ return 1;
+ }
+
+ return rcode;
+}
+
+U_BOOT_CMD(
+ pinit, 2, 0, do_pinit,
+ "PCMCIA sub-system",
+ "on - power on PCMCIA socket\n"
+ "pinit off - power off PCMCIA socket"
+);
+
+#endif
+
+/* -------------------------------------------------------------------- */
+
+#undef CHECK_IDE_DEVICE
+
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
+#define CHECK_IDE_DEVICE
+#endif
+
+#if defined(CONFIG_PXA_PCMCIA)
+#define CHECK_IDE_DEVICE
+#endif
+
+#ifdef CHECK_IDE_DEVICE
+
+int ide_devices_found;
+static uchar *known_cards[] = {
+ (uchar *)"ARGOSY PnPIDE D5",
+ NULL
+};
+
+#define MAX_TUPEL_SZ 512
+#define MAX_FEATURES 4
+
+#define MAX_IDENT_CHARS 64
+#define MAX_IDENT_FIELDS 4
+
+#define indent "\t "
+
+static void print_funcid (int func)
+{
+ puts (indent);
+ switch (func) {
+ case CISTPL_FUNCID_MULTI:
+ puts (" Multi-Function");
+ break;
+ case CISTPL_FUNCID_MEMORY:
+ puts (" Memory");
+ break;
+ case CISTPL_FUNCID_SERIAL:
+ puts (" Serial Port");
+ break;
+ case CISTPL_FUNCID_PARALLEL:
+ puts (" Parallel Port");
+ break;
+ case CISTPL_FUNCID_FIXED:
+ puts (" Fixed Disk");
+ break;
+ case CISTPL_FUNCID_VIDEO:
+ puts (" Video Adapter");
+ break;
+ case CISTPL_FUNCID_NETWORK:
+ puts (" Network Adapter");
+ break;
+ case CISTPL_FUNCID_AIMS:
+ puts (" AIMS Card");
+ break;
+ case CISTPL_FUNCID_SCSI:
+ puts (" SCSI Adapter");
+ break;
+ default:
+ puts (" Unknown");
+ break;
+ }
+ puts (" Card\n");
+}
+
+static void print_fixed (volatile uchar *p)
+{
+ if (p == NULL)
+ return;
+
+ puts(indent);
+
+ switch (*p) {
+ case CISTPL_FUNCE_IDE_IFACE:
+ { uchar iface = *(p+2);
+
+ puts ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown");
+ puts (" interface ");
+ break;
+ }
+ case CISTPL_FUNCE_IDE_MASTER:
+ case CISTPL_FUNCE_IDE_SLAVE:
+ { uchar f1 = *(p+2);
+ uchar f2 = *(p+4);
+
+ puts ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]");
+
+ if (f1 & CISTPL_IDE_UNIQUE)
+ puts (" [unique]");
+
+ puts ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]");
+
+ if (f2 & CISTPL_IDE_HAS_SLEEP)
+ puts (" [sleep]");
+
+ if (f2 & CISTPL_IDE_HAS_STANDBY)
+ puts (" [standby]");
+
+ if (f2 & CISTPL_IDE_HAS_IDLE)
+ puts (" [idle]");
+
+ if (f2 & CISTPL_IDE_LOW_POWER)
+ puts (" [low power]");
+
+ if (f2 & CISTPL_IDE_REG_INHIBIT)
+ puts (" [reg inhibit]");
+
+ if (f2 & CISTPL_IDE_HAS_INDEX)
+ puts (" [index]");
+
+ if (f2 & CISTPL_IDE_IOIS16)
+ puts (" [IOis16]");
+
+ break;
+ }
+ }
+ putc ('\n');
+}
+
+static int identify (volatile uchar *p)
+{
+ uchar id_str[MAX_IDENT_CHARS];
+ uchar data;
+ uchar *t;
+ uchar **card;
+ int i, done;
+
+ if (p == NULL)
+ return (0); /* Don't know */
+
+ t = id_str;
+ done =0;
+
+ for (i=0; i<=4 && !done; ++i, p+=2) {
+ while ((data = *p) != '\0') {
+ if (data == 0xFF) {
+ done = 1;
+ break;
+ }
+ *t++ = data;
+ if (t == &id_str[MAX_IDENT_CHARS-1]) {
+ done = 1;
+ break;
+ }
+ p += 2;
+ }
+ if (!done)
+ *t++ = ' ';
+ }
+ *t = '\0';
+ while (--t > id_str) {
+ if (*t == ' ')
+ *t = '\0';
+ else
+ break;
+ }
+ puts ((char *)id_str);
+ putc ('\n');
+
+ for (card=known_cards; *card; ++card) {
+ debug ("## Compare against \"%s\"\n", *card);
+ if (strcmp((char *)*card, (char *)id_str) == 0) { /* found! */
+ debug ("## CARD FOUND ##\n");
+ return (1);
+ }
+ }
+
+ return (0); /* don't know */
+}
+
+int check_ide_device (int slot)
+{
+ volatile uchar *ident = NULL;
+ volatile uchar *feature_p[MAX_FEATURES];
+ volatile uchar *p, *start, *addr;
+ int n_features = 0;
+ uchar func_id = ~0;
+ uchar code, len;
+ ushort config_base = 0;
+ int found = 0;
+ int i;
+
+ addr = (volatile uchar *)(CONFIG_SYS_PCMCIA_MEM_ADDR +
+ CONFIG_SYS_PCMCIA_MEM_SIZE * (slot * 4));
+ debug ("PCMCIA MEM: %08lX\n", (ulong)addr);
+
+ start = p = (volatile uchar *) addr;
+
+ while ((p - start) < MAX_TUPEL_SZ) {
+
+ code = *p; p += 2;
+
+ if (code == 0xFF) { /* End of chain */
+ break;
+ }
+
+ len = *p; p += 2;
+#if defined(DEBUG) && (DEBUG > 1)
+ { volatile uchar *q = p;
+ printf ("\nTuple code %02x length %d\n\tData:",
+ code, len);
+
+ for (i = 0; i < len; ++i) {
+ printf (" %02x", *q);
+ q+= 2;
+ }
+ }
+#endif /* DEBUG */
+ switch (code) {
+ case CISTPL_VERS_1:
+ ident = p + 4;
+ break;
+ case CISTPL_FUNCID:
+ /* Fix for broken SanDisk which may have 0x80 bit set */
+ func_id = *p & 0x7F;
+ break;
+ case CISTPL_FUNCE:
+ if (n_features < MAX_FEATURES)
+ feature_p[n_features++] = p;
+ break;
+ case CISTPL_CONFIG:
+ config_base = (*(p+6) << 8) + (*(p+4));
+ debug ("\n## Config_base = %04x ###\n", config_base);
+ default:
+ break;
+ }
+ p += 2 * len;
+ }
+
+ found = identify (ident);
+
+ if (func_id != ((uchar)~0)) {
+ print_funcid (func_id);
+
+ if (func_id == CISTPL_FUNCID_FIXED)
+ found = 1;
+ else
+ return (1); /* no disk drive */
+ }
+
+ for (i=0; i<n_features; ++i) {
+ print_fixed (feature_p[i]);
+ }
+
+ if (!found) {
+ printf ("unknown card type\n");
+ return (1);
+ }
+
+ ide_devices_found |= (1 << slot);
+
+ /* set I/O area in config reg -> only valid for ARGOSY D5!!! */
+ *((uchar *)(addr + config_base)) = 1;
+#if 0
+ printf("\n## Config_base = %04x ###\n", config_base);
+ printf("Configuration Option Register: %02x @ %x\n", readb(addr + config_base), addr + config_base);
+ printf("Card Configuration and Status Register: %02x\n", readb(addr + config_base + 2));
+ printf("Pin Replacement Register Register: %02x\n", readb(addr + config_base + 4));
+ printf("Socket and Copy Register: %02x\n", readb(addr + config_base + 6));
+#endif
+ return (0);
+}
+
+#endif /* CHECK_IDE_DEVICE */
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