diff options
Diffstat (limited to 'drivers/pcmcia/ti_pci1410a.c')
-rw-r--r-- | drivers/pcmcia/ti_pci1410a.c | 623 |
1 files changed, 0 insertions, 623 deletions
diff --git a/drivers/pcmcia/ti_pci1410a.c b/drivers/pcmcia/ti_pci1410a.c deleted file mode 100644 index d83db3f022..0000000000 --- a/drivers/pcmcia/ti_pci1410a.c +++ /dev/null @@ -1,623 +0,0 @@ -/* - * (C) Copyright 2000-2002 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB - * - * 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... - */ - - -#undef DEBUG /**/ - -/* - * PCMCIA support - */ -#include <common.h> -#include <command.h> -#include <config.h> -#include <pci.h> -#include <asm/io.h> - -#include <pcmcia.h> - -#if defined(CONFIG_CMD_PCMCIA) - -int pcmcia_on(int ide_base_bus); - -static int hardware_disable(int slot); -static int hardware_enable(int slot); -static int voltage_set(int slot, int vcc, int vpp); -static void print_funcid(int func); -static void print_fixed(volatile char *p); -static int identify(volatile char *p); -static int check_ide_device(int slot, int ide_base_bus); - - -/* ------------------------------------------------------------------------- */ - - -const char *indent = "\t "; - -/* ------------------------------------------------------------------------- */ - - -static struct pci_device_id supported[] = { - { PCI_VENDOR_ID_TI, 0xac50 }, /* Ti PCI1410A */ - { PCI_VENDOR_ID_TI, 0xac56 }, /* Ti PCI1510 */ - { } -}; - -static pci_dev_t devbusfn; -static u32 socket_base; -static u32 pcmcia_cis_ptr; - -int pcmcia_on(int ide_base_bus) -{ - u16 dev_id; - u32 socket_status; - int slot = 0; - int cis_len; - u16 io_base; - u16 io_len; - - /* - * Find the CardBus PCI device(s). - */ - if ((devbusfn = pci_find_devices(supported, 0)) < 0) { - printf("Ti CardBus: not found\n"); - return 1; - } - - pci_read_config_word(devbusfn, PCI_DEVICE_ID, &dev_id); - - if (dev_id == 0xac56) { - debug("Enable PCMCIA Ti PCI1510\n"); - } else { - debug("Enable PCMCIA Ti PCI1410A\n"); - } - - pcmcia_cis_ptr = CONFIG_SYS_PCMCIA_CIS_WIN; - cis_len = CONFIG_SYS_PCMCIA_CIS_WIN_SIZE; - - io_base = CONFIG_SYS_PCMCIA_IO_WIN; - io_len = CONFIG_SYS_PCMCIA_IO_WIN_SIZE; - - /* - * Setup the PCI device. - */ - pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &socket_base); - socket_base &= ~0xf; - - socket_status = readl(socket_base+8); - if ((socket_status & 6) == 0) { - printf("Card Present: "); - - switch (socket_status & 0x3c00) { - - case 0x400: - printf("5V "); - break; - case 0x800: - printf("3.3V "); - break; - case 0xc00: - printf("3.3/5V "); - break; - default: - printf("unsupported Vcc "); - break; - } - switch (socket_status & 0x30) { - case 0x10: - printf("16bit PC-Card\n"); - break; - case 0x20: - printf("32bit CardBus Card\n"); - break; - default: - printf("8bit PC-Card\n"); - break; - } - } - - - writeb(0x41, socket_base + 0x806); /* Enable I/O window 0 and memory window 0 */ - writeb(0x0e, socket_base + 0x807); /* Reset I/O window options */ - - /* Careful: the linux yenta driver do not seem to reset the offset - * in the i/o windows, so leaving them non-zero is a problem */ - - writeb(io_base & 0xff, socket_base + 0x808); /* I/O window 0 base address */ - writeb(io_base>>8, socket_base + 0x809); - writeb((io_base + io_len - 1) & 0xff, socket_base + 0x80a); /* I/O window 0 end address */ - writeb((io_base + io_len - 1)>>8, socket_base + 0x80b); - writeb(0x00, socket_base + 0x836); /* I/O window 0 offset address 0x000 */ - writeb(0x00, socket_base + 0x837); - - - writeb((pcmcia_cis_ptr&0x000ff000) >> 12, - socket_base + 0x810); /* Memory window 0 start address bits 19-12 */ - writeb((pcmcia_cis_ptr&0x00f00000) >> 20, - socket_base + 0x811); /* Memory window 0 start address bits 23-20 */ - writeb(((pcmcia_cis_ptr+cis_len-1) & 0x000ff000) >> 12, - socket_base + 0x812); /* Memory window 0 end address bits 19-12*/ - writeb(((pcmcia_cis_ptr+cis_len-1) & 0x00f00000) >> 20, - socket_base + 0x813); /* Memory window 0 end address bits 23-20*/ - writeb(0x00, socket_base + 0x814); /* Memory window 0 offset bits 19-12 */ - writeb(0x40, socket_base + 0x815); /* Memory window 0 offset bits 23-20 and - * options (read/write, attribute access) */ - writeb(0x00, socket_base + 0x816); /* ExCA card-detect and general control */ - writeb(0x00, socket_base + 0x81e); /* ExCA global control (interrupt modes) */ - - writeb((pcmcia_cis_ptr & 0xff000000) >> 24, - socket_base + 0x840); /* Memory window address bits 31-24 */ - - - /* turn off voltage */ - if (voltage_set(slot, 0, 0)) { - return 1; - } - - /* Enable external hardware */ - if (hardware_enable(slot)) { - return 1; - } - - if (check_ide_device(slot, ide_base_bus)) { - return 1; - } - - return 0; -} - -/* ------------------------------------------------------------------------- */ - - -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_off (void) -{ - int slot = 0; - - writeb(0x00, socket_base + 0x806); /* disable all I/O and memory windows */ - - writeb(0x00, socket_base + 0x808); /* I/O window 0 base address */ - writeb(0x00, socket_base + 0x809); - writeb(0x00, socket_base + 0x80a); /* I/O window 0 end address */ - writeb(0x00, socket_base + 0x80b); - writeb(0x00, socket_base + 0x836); /* I/O window 0 offset address */ - writeb(0x00, socket_base + 0x837); - - writeb(0x00, socket_base + 0x80c); /* I/O window 1 base address */ - writeb(0x00, socket_base + 0x80d); - writeb(0x00, socket_base + 0x80e); /* I/O window 1 end address */ - writeb(0x00, socket_base + 0x80f); - writeb(0x00, socket_base + 0x838); /* I/O window 1 offset address */ - writeb(0x00, socket_base + 0x839); - - writeb(0x00, socket_base + 0x810); /* Memory window 0 start address */ - writeb(0x00, socket_base + 0x811); - writeb(0x00, socket_base + 0x812); /* Memory window 0 end address */ - writeb(0x00, socket_base + 0x813); - writeb(0x00, socket_base + 0x814); /* Memory window 0 offset */ - writeb(0x00, socket_base + 0x815); - - writeb(0xc0, socket_base + 0x840); /* Memory window 0 page address */ - - - /* turn off voltage */ - voltage_set(slot, 0, 0); - - /* disable external hardware */ - printf ("Shutdown and Poweroff Ti PCI1410A\n"); - hardware_disable(slot); - - return 0; -} - -#endif - -/* ------------------------------------------------------------------------- */ - - -#define MAX_TUPEL_SZ 512 -#define MAX_FEATURES 4 -int ide_devices_found; -static int check_ide_device(int slot, int ide_base_bus) -{ - volatile char *ident = NULL; - volatile char *feature_p[MAX_FEATURES]; - volatile char *p, *start; - int n_features = 0; - uchar func_id = ~0; - uchar code, len; - ushort config_base = 0; - int found = 0; - int i; - u32 socket_status; - - debug ("PCMCIA MEM: %08X\n", pcmcia_cis_ptr); - - socket_status = readl(socket_base+8); - - if ((socket_status & 6) != 0 || (socket_status & 0x20) != 0) { - printf("no card or CardBus card\n"); - return 1; - } - - start = p = (volatile char *) pcmcia_cis_ptr; - - 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; - } - - /* select config index 1 */ - writeb(1, pcmcia_cis_ptr + config_base); - -#if 0 - printf("Confiuration Option Register: %02x\n", readb(pcmcia_cis_ptr + config_base)); - printf("Card Confiuration and Status Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 2)); - printf("Pin Replacement Register Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 4)); - printf("Socket and Copy Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 6)); -#endif - ide_devices_found |= (1 << (slot+ide_base_bus)); - - return 0; -} - - -static int voltage_set(int slot, int vcc, int vpp) -{ - u32 socket_control; - int reg=0; - - switch (slot) { - case 0: - reg = socket_base + 0x10; - break; - default: - return 1; - } - - socket_control = 0; - - - switch (vcc) { - case 50: - socket_control |= 0x20; - break; - case 33: - socket_control |= 0x30; - break; - case 0: - default: ; - } - - switch (vpp) { - case 120: - socket_control |= 0x1; - break; - case 50: - socket_control |= 0x2; - break; - case 33: - socket_control |= 0x3; - break; - case 0: - default: ; - } - - writel(socket_control, reg); - - debug ("voltage_set: Ti PCI1410A Slot %d, Vcc=%d.%d, Vpp=%d.%d\n", - slot, vcc/10, vcc%10, vpp/10, vpp%10); - - udelay(500); - return 0; -} - - -static int hardware_enable(int slot) -{ - u32 socket_status; - u16 brg_ctrl; - int is_82365sl; - - socket_status = readl(socket_base+8); - - if ((socket_status & 6) == 0) { - - switch (socket_status & 0x3c00) { - - case 0x400: - printf("5V "); - voltage_set(slot, 50, 0); - break; - case 0x800: - voltage_set(slot, 33, 0); - break; - case 0xc00: - voltage_set(slot, 33, 0); - break; - default: - voltage_set(slot, 0, 0); - break; - } - } else { - voltage_set(slot, 0, 0); - } - - pci_read_config_word(devbusfn, PCI_BRIDGE_CONTROL, &brg_ctrl); - brg_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET; - pci_write_config_word(devbusfn, PCI_BRIDGE_CONTROL, brg_ctrl); - is_82365sl = ((readb(socket_base+0x800) & 0x0f) == 2); - writeb(is_82365sl?0x90:0x98, socket_base+0x802); - writeb(0x67, socket_base+0x803); - udelay(100000); -#if 0 - printf("ExCA Id %02x, Card Status %02x, Power config %02x, Interrupt Config %02x, bridge control %04x %d\n", - readb(socket_base+0x800), readb(socket_base+0x801), - readb(socket_base+0x802), readb(socket_base+0x803), brg_ctrl, is_82365sl); -#endif - - return ((readb(socket_base+0x801)&0x6c)==0x6c)?0:1; -} - - -static int hardware_disable(int slot) -{ - voltage_set(slot, 0, 0); - return 0; -} - -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 char *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'); -} - -/* ------------------------------------------------------------------------- */ - -#define MAX_IDENT_CHARS 64 -#define MAX_IDENT_FIELDS 4 - -static char *known_cards[] = { - "ARGOSY PnPIDE D5", - NULL -}; - -static int identify(volatile char *p) -{ - char id_str[MAX_IDENT_CHARS]; - char data; - char *t; - char **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(id_str); - putc('\n'); - - for (card=known_cards; *card; ++card) { - debug ("## Compare against \"%s\"\n", *card); - if (strcmp(*card, id_str) == 0) { /* found! */ - debug ("## CARD FOUND ##\n"); - return 1; - } - } - - return 0; /* don't know */ -} - -#endif /* CONFIG_CMD_PCMCIA */ |