This driver is not used by any board. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>master
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@ -1,623 +0,0 @@ |
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/*
|
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* (C) Copyright 2000-2002 |
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
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* (C) Copyright 2002 |
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* Daniel Engström, Omicron Ceti AB |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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* |
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******************************************************************** |
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* |
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* Lots of code copied from: |
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* |
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* m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series. |
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* (C) 1999-2000 Magnus Damm <damm@bitsmart.com> |
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* |
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* "The ExCA standard specifies that socket controllers should provide |
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* two IO and five memory windows per socket, which can be independently |
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* configured and positioned in the host address space and mapped to |
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* arbitrary segments of card address space. " - David A Hinds. 1999 |
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* |
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* This controller does _not_ meet the ExCA standard. |
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* |
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* m8xx pcmcia controller brief info: |
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* + 8 windows (attrib, mem, i/o) |
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* + up to two slots (SLOT_A and SLOT_B) |
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* + inputpins, outputpins, event and mask registers. |
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* - no offset register. sigh. |
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* |
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* Because of the lacking offset register we must map the whole card. |
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* We assign each memory window PCMCIA_MEM_WIN_SIZE address space. |
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* Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO |
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* * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE. |
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* The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE. |
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* They are maximum 64KByte each... |
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*/ |
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#undef DEBUG /**/ |
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/*
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* PCMCIA support |
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*/ |
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#include <common.h> |
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#include <command.h> |
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#include <config.h> |
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#include <pci.h> |
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#include <asm/io.h> |
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#include <pcmcia.h> |
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#if defined(CONFIG_CMD_PCMCIA) |
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int pcmcia_on(int ide_base_bus); |
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static int hardware_disable(int slot); |
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static int hardware_enable(int slot); |
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static int voltage_set(int slot, int vcc, int vpp); |
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static void print_funcid(int func); |
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static void print_fixed(volatile char *p); |
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static int identify(volatile char *p); |
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static int check_ide_device(int slot, int ide_base_bus); |
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|
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/* ------------------------------------------------------------------------- */ |
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const char *indent = "\t "; |
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/* ------------------------------------------------------------------------- */ |
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static struct pci_device_id supported[] = { |
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{ PCI_VENDOR_ID_TI, 0xac50 }, /* Ti PCI1410A */ |
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{ PCI_VENDOR_ID_TI, 0xac56 }, /* Ti PCI1510 */ |
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{ } |
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}; |
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static pci_dev_t devbusfn; |
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static u32 socket_base; |
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static u32 pcmcia_cis_ptr; |
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int pcmcia_on(int ide_base_bus) |
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{ |
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u16 dev_id; |
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u32 socket_status; |
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int slot = 0; |
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int cis_len; |
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u16 io_base; |
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u16 io_len; |
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/*
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* Find the CardBus PCI device(s). |
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*/ |
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if ((devbusfn = pci_find_devices(supported, 0)) < 0) { |
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printf("Ti CardBus: not found\n"); |
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return 1; |
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} |
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pci_read_config_word(devbusfn, PCI_DEVICE_ID, &dev_id); |
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if (dev_id == 0xac56) { |
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debug("Enable PCMCIA Ti PCI1510\n"); |
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} else { |
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debug("Enable PCMCIA Ti PCI1410A\n"); |
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} |
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pcmcia_cis_ptr = CONFIG_SYS_PCMCIA_CIS_WIN; |
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cis_len = CONFIG_SYS_PCMCIA_CIS_WIN_SIZE; |
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io_base = CONFIG_SYS_PCMCIA_IO_WIN; |
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io_len = CONFIG_SYS_PCMCIA_IO_WIN_SIZE; |
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/*
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* Setup the PCI device. |
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*/ |
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pci_read_config_dword(devbusfn, PCI_BASE_ADDRESS_0, &socket_base); |
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socket_base &= ~0xf; |
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socket_status = readl(socket_base+8); |
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if ((socket_status & 6) == 0) { |
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printf("Card Present: "); |
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switch (socket_status & 0x3c00) { |
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case 0x400: |
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printf("5V "); |
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break; |
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case 0x800: |
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printf("3.3V "); |
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break; |
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case 0xc00: |
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printf("3.3/5V "); |
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break; |
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default: |
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printf("unsupported Vcc "); |
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break; |
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} |
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switch (socket_status & 0x30) { |
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case 0x10: |
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printf("16bit PC-Card\n"); |
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break; |
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case 0x20: |
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printf("32bit CardBus Card\n"); |
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break; |
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default: |
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printf("8bit PC-Card\n"); |
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break; |
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} |
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} |
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writeb(0x41, socket_base + 0x806); /* Enable I/O window 0 and memory window 0 */ |
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writeb(0x0e, socket_base + 0x807); /* Reset I/O window options */ |
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/* Careful: the linux yenta driver do not seem to reset the offset
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* in the i/o windows, so leaving them non-zero is a problem */ |
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writeb(io_base & 0xff, socket_base + 0x808); /* I/O window 0 base address */ |
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writeb(io_base>>8, socket_base + 0x809); |
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writeb((io_base + io_len - 1) & 0xff, socket_base + 0x80a); /* I/O window 0 end address */ |
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writeb((io_base + io_len - 1)>>8, socket_base + 0x80b); |
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writeb(0x00, socket_base + 0x836); /* I/O window 0 offset address 0x000 */ |
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writeb(0x00, socket_base + 0x837); |
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writeb((pcmcia_cis_ptr&0x000ff000) >> 12, |
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socket_base + 0x810); /* Memory window 0 start address bits 19-12 */ |
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writeb((pcmcia_cis_ptr&0x00f00000) >> 20, |
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socket_base + 0x811); /* Memory window 0 start address bits 23-20 */ |
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writeb(((pcmcia_cis_ptr+cis_len-1) & 0x000ff000) >> 12, |
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socket_base + 0x812); /* Memory window 0 end address bits 19-12*/ |
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writeb(((pcmcia_cis_ptr+cis_len-1) & 0x00f00000) >> 20, |
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socket_base + 0x813); /* Memory window 0 end address bits 23-20*/ |
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writeb(0x00, socket_base + 0x814); /* Memory window 0 offset bits 19-12 */ |
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writeb(0x40, socket_base + 0x815); /* Memory window 0 offset bits 23-20 and
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* options (read/write, attribute access) */ |
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writeb(0x00, socket_base + 0x816); /* ExCA card-detect and general control */ |
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writeb(0x00, socket_base + 0x81e); /* ExCA global control (interrupt modes) */ |
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writeb((pcmcia_cis_ptr & 0xff000000) >> 24, |
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socket_base + 0x840); /* Memory window address bits 31-24 */ |
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/* turn off voltage */ |
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if (voltage_set(slot, 0, 0)) { |
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return 1; |
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} |
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/* Enable external hardware */ |
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if (hardware_enable(slot)) { |
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return 1; |
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} |
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if (check_ide_device(slot, ide_base_bus)) { |
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return 1; |
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} |
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return 0; |
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} |
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/* ------------------------------------------------------------------------- */ |
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#if defined(CONFIG_CMD_PCMCIA) |
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int pcmcia_off (void) |
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{ |
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int slot = 0; |
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writeb(0x00, socket_base + 0x806); /* disable all I/O and memory windows */ |
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writeb(0x00, socket_base + 0x808); /* I/O window 0 base address */ |
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writeb(0x00, socket_base + 0x809); |
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writeb(0x00, socket_base + 0x80a); /* I/O window 0 end address */ |
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writeb(0x00, socket_base + 0x80b); |
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writeb(0x00, socket_base + 0x836); /* I/O window 0 offset address */ |
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writeb(0x00, socket_base + 0x837); |
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writeb(0x00, socket_base + 0x80c); /* I/O window 1 base address */ |
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writeb(0x00, socket_base + 0x80d); |
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writeb(0x00, socket_base + 0x80e); /* I/O window 1 end address */ |
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writeb(0x00, socket_base + 0x80f); |
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writeb(0x00, socket_base + 0x838); /* I/O window 1 offset address */ |
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writeb(0x00, socket_base + 0x839); |
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writeb(0x00, socket_base + 0x810); /* Memory window 0 start address */ |
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writeb(0x00, socket_base + 0x811); |
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writeb(0x00, socket_base + 0x812); /* Memory window 0 end address */ |
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writeb(0x00, socket_base + 0x813); |
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writeb(0x00, socket_base + 0x814); /* Memory window 0 offset */ |
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writeb(0x00, socket_base + 0x815); |
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writeb(0xc0, socket_base + 0x840); /* Memory window 0 page address */ |
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/* turn off voltage */ |
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voltage_set(slot, 0, 0); |
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/* disable external hardware */ |
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printf ("Shutdown and Poweroff Ti PCI1410A\n"); |
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hardware_disable(slot); |
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return 0; |
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} |
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#endif |
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/* ------------------------------------------------------------------------- */ |
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#define MAX_TUPEL_SZ 512 |
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#define MAX_FEATURES 4 |
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int ide_devices_found; |
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static int check_ide_device(int slot, int ide_base_bus) |
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{ |
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volatile char *ident = NULL; |
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volatile char *feature_p[MAX_FEATURES]; |
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volatile char *p, *start; |
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int n_features = 0; |
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uchar func_id = ~0; |
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uchar code, len; |
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ushort config_base = 0; |
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int found = 0; |
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int i; |
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u32 socket_status; |
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debug ("PCMCIA MEM: %08X\n", pcmcia_cis_ptr); |
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socket_status = readl(socket_base+8); |
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if ((socket_status & 6) != 0 || (socket_status & 0x20) != 0) { |
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printf("no card or CardBus card\n"); |
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return 1; |
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} |
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start = p = (volatile char *) pcmcia_cis_ptr; |
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while ((p - start) < MAX_TUPEL_SZ) { |
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code = *p; p += 2; |
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if (code == 0xFF) { /* End of chain */ |
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break; |
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} |
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len = *p; p += 2; |
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#if defined(DEBUG) && (DEBUG > 1) |
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{ |
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volatile uchar *q = p; |
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printf ("\nTuple code %02x length %d\n\tData:", |
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code, len); |
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for (i = 0; i < len; ++i) { |
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printf (" %02x", *q); |
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q+= 2; |
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} |
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} |
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#endif /* DEBUG */ |
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switch (code) { |
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case CISTPL_VERS_1: |
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ident = p + 4; |
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break; |
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case CISTPL_FUNCID: |
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/* Fix for broken SanDisk which may have 0x80 bit set */ |
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func_id = *p & 0x7F; |
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break; |
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case CISTPL_FUNCE: |
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if (n_features < MAX_FEATURES) |
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feature_p[n_features++] = p; |
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break; |
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case CISTPL_CONFIG: |
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config_base = (*(p+6) << 8) + (*(p+4)); |
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debug ("\n## Config_base = %04x ###\n", config_base); |
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default: |
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break; |
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} |
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p += 2 * len; |
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} |
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found = identify(ident); |
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if (func_id != ((uchar)~0)) { |
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print_funcid (func_id); |
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if (func_id == CISTPL_FUNCID_FIXED) |
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found = 1; |
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else |
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return 1; /* no disk drive */ |
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} |
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for (i=0; i<n_features; ++i) { |
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print_fixed(feature_p[i]); |
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} |
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if (!found) { |
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printf("unknown card type\n"); |
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return 1; |
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} |
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/* select config index 1 */ |
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writeb(1, pcmcia_cis_ptr + config_base); |
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#if 0 |
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printf("Confiuration Option Register: %02x\n", readb(pcmcia_cis_ptr + config_base)); |
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printf("Card Confiuration and Status Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 2)); |
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printf("Pin Replacement Register Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 4)); |
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printf("Socket and Copy Register: %02x\n", readb(pcmcia_cis_ptr + config_base + 6)); |
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#endif |
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ide_devices_found |= (1 << (slot+ide_base_bus)); |
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return 0; |
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} |
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static int voltage_set(int slot, int vcc, int vpp) |
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{ |
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u32 socket_control; |
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int reg=0; |
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switch (slot) { |
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case 0: |
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reg = socket_base + 0x10; |
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break; |
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default: |
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return 1; |
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} |
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socket_control = 0; |
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switch (vcc) { |
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case 50: |
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socket_control |= 0x20; |
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break; |
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case 33: |
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socket_control |= 0x30; |
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break; |
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case 0: |
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default: ; |
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} |
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switch (vpp) { |
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case 120: |
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socket_control |= 0x1; |
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break; |
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case 50: |
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socket_control |= 0x2; |
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break; |
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case 33: |
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socket_control |= 0x3; |
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break; |
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case 0: |
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default: ; |
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} |
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writel(socket_control, reg); |
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debug ("voltage_set: Ti PCI1410A Slot %d, Vcc=%d.%d, Vpp=%d.%d\n", |
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slot, vcc/10, vcc%10, vpp/10, vpp%10); |
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udelay(500); |
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return 0; |
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} |
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static int hardware_enable(int slot) |
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{ |
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u32 socket_status; |
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u16 brg_ctrl; |
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int is_82365sl; |
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socket_status = readl(socket_base+8); |
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if ((socket_status & 6) == 0) { |
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switch (socket_status & 0x3c00) { |
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case 0x400: |
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printf("5V "); |
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voltage_set(slot, 50, 0); |
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break; |
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case 0x800: |
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voltage_set(slot, 33, 0); |
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break; |
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case 0xc00: |
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voltage_set(slot, 33, 0); |
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break; |
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default: |
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voltage_set(slot, 0, 0); |
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break; |
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} |
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} else { |
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voltage_set(slot, 0, 0); |
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} |
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pci_read_config_word(devbusfn, PCI_BRIDGE_CONTROL, &brg_ctrl); |
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brg_ctrl &= ~PCI_BRIDGE_CTL_BUS_RESET; |
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pci_write_config_word(devbusfn, PCI_BRIDGE_CONTROL, brg_ctrl); |
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is_82365sl = ((readb(socket_base+0x800) & 0x0f) == 2); |
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writeb(is_82365sl?0x90:0x98, socket_base+0x802); |
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writeb(0x67, socket_base+0x803); |
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udelay(100000); |
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#if 0 |
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printf("ExCA Id %02x, Card Status %02x, Power config %02x, Interrupt Config %02x, bridge control %04x %d\n", |
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readb(socket_base+0x800), readb(socket_base+0x801), |
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readb(socket_base+0x802), readb(socket_base+0x803), brg_ctrl, is_82365sl); |
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#endif |
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return ((readb(socket_base+0x801)&0x6c)==0x6c)?0:1; |
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} |
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static int hardware_disable(int slot) |
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{ |
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voltage_set(slot, 0, 0); |
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return 0; |
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} |
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static void print_funcid(int func) |
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{ |
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puts(indent); |
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switch (func) { |
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case CISTPL_FUNCID_MULTI: |
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puts(" Multi-Function"); |
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break; |
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case CISTPL_FUNCID_MEMORY: |
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puts(" Memory"); |
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break; |
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case CISTPL_FUNCID_SERIAL: |
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puts(" Serial Port"); |
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break; |
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case CISTPL_FUNCID_PARALLEL: |
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puts(" Parallel Port"); |
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break; |
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case CISTPL_FUNCID_FIXED: |
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puts(" Fixed Disk"); |
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break; |
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case CISTPL_FUNCID_VIDEO: |
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puts(" Video Adapter"); |
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break; |
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case CISTPL_FUNCID_NETWORK: |
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puts(" Network Adapter"); |
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break; |
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case CISTPL_FUNCID_AIMS: |
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puts(" AIMS Card"); |
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break; |
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case CISTPL_FUNCID_SCSI: |
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puts(" SCSI Adapter"); |
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break; |
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default: |
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puts(" Unknown"); |
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break; |
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} |
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puts(" Card\n"); |
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} |
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/* ------------------------------------------------------------------------- */ |
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static void print_fixed(volatile char *p) |
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{ |
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if (p == NULL) |
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return; |
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puts(indent); |
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switch (*p) { |
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case CISTPL_FUNCE_IDE_IFACE: |
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{ uchar iface = *(p+2); |
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puts ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown"); |
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puts (" interface "); |
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break; |
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} |
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case CISTPL_FUNCE_IDE_MASTER: |
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case CISTPL_FUNCE_IDE_SLAVE: |
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{ |
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uchar f1 = *(p+2); |
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uchar f2 = *(p+4); |
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puts((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]"); |
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if (f1 & CISTPL_IDE_UNIQUE) { |
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puts(" [unique]"); |
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} |
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puts((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]"); |
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if (f2 & CISTPL_IDE_HAS_SLEEP) { |
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puts(" [sleep]"); |
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} |
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if (f2 & CISTPL_IDE_HAS_STANDBY) { |
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puts(" [standby]"); |
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} |
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if (f2 & CISTPL_IDE_HAS_IDLE) { |
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puts(" [idle]"); |
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} |
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if (f2 & CISTPL_IDE_LOW_POWER) { |
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puts(" [low power]"); |
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} |
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if (f2 & CISTPL_IDE_REG_INHIBIT) { |
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puts(" [reg inhibit]"); |
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} |
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if (f2 & CISTPL_IDE_HAS_INDEX) { |
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puts(" [index]"); |
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} |
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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 */ |
Loading…
Reference in new issue