diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mbx8xx/ide/pcmcia_ide.c')
| -rw-r--r-- | c/src/lib/libbsp/powerpc/mbx8xx/ide/pcmcia_ide.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/c/src/lib/libbsp/powerpc/mbx8xx/ide/pcmcia_ide.c b/c/src/lib/libbsp/powerpc/mbx8xx/ide/pcmcia_ide.c deleted file mode 100644 index 5ef67739ee..0000000000 --- a/c/src/lib/libbsp/powerpc/mbx8xx/ide/pcmcia_ide.c +++ /dev/null @@ -1,384 +0,0 @@ -/*===============================================================*\ -| Project: RTEMS MBX8xx PCMCIA IDE harddisc driver | -+-----------------------------------------------------------------+ -| File: pcmcia_ide.c | -+-----------------------------------------------------------------+ -| Copyright (c) 2003 IMD | -| Ingenieurbuero fuer Microcomputertechnik Th. Doerfler | -| <Thomas.Doerfler@imd-systems.de> | -| all rights reserved | -+-----------------------------------------------------------------+ -| this file contains the BSP layer for PCMCIA IDE access below the| -| libchip IDE harddisc driver | -| based on a board specific driver from | -| Eugeny S. Mints, Oktet | -| | -| The license and distribution terms for this file may be | -| found in the file LICENSE in this distribution or at | -| http://www.rtems.org/license/LICENSE. | -| | -+-----------------------------------------------------------------+ -| date history ID | -| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | -| 01.14.03 creation doe | -\*===============================================================*/ - -#include <rtems.h> -#include <bsp.h> -#include <bsp/mbx.h> -#include <mpc8xx.h> -#include <libchip/ide_ctrl.h> -#include <libchip/ide_ctrl_cfg.h> -#include <libchip/ide_ctrl_io.h> - -/* #define DATAREG_16BIT */ /* 16 bit mode not yet working */ -/* #define DEBUG_OUT */ -/* - * support functions for PCMCIA IDE IF - */ -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static bool mbx8xx_pcmciaide_probe -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| This function should probe, whether a PCMCIA flash disk is available | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| true, when flash disk available | -\*=========================================================================*/ -{ - bool ide_card_plugged = true; /* assume: we have a card plugged in */ - - /* - * check, that the CD# pins are low -> a PCMCIA card is plugged in - */ - if ((m8xx.pipr - & (M8xx_PCMCIA_PIPR_CACD1 | M8xx_PCMCIA_PIPR_CACD2)) != 0x00) { - ide_card_plugged = false; - } - /* - * set supply voltage to 3.3V - * FIXME: this should be depending on state of VS1/2 pins - * FIXME: there should be a shadow variable for the BSP for CSR2 access - */ - *((volatile uint8_t*)MBX_CSR2) = 0xb0; - /* - * check card information service whether card is a ATA like disk - * -> scan for tuple of type 0x21 with content 0x04 0xXX (fixed disk) - * -> scan for tuple of type 0x22 with content 0x01 0x01 - */ - if (ide_card_plugged) { -#define CIS_BYTE(pos) (((uint8_t*)PCMCIA_ATTRB_ADDR)[(pos)*2]) - int cis_pos = 0; - bool fixed_disk_tuple_found = false; - bool ata_disk_tuple_found = false; - - while ((cis_pos < 256) && - (CIS_BYTE(cis_pos) != 0xff) && - (!fixed_disk_tuple_found || !ata_disk_tuple_found)) { - /* - * check for neede tuples - */ - if ((CIS_BYTE(cis_pos ) == 0x21) && - (CIS_BYTE(cis_pos+2) == 0x04)) { - fixed_disk_tuple_found = true; - } - else if ((CIS_BYTE(cis_pos ) == 0x22) && - (CIS_BYTE(cis_pos+2) == 0x01) && - (CIS_BYTE(cis_pos+3) == 0x01)) { - ata_disk_tuple_found = true; - } - /* - * advance using the length field - */ - cis_pos += CIS_BYTE(cis_pos+1)+2; - } - ide_card_plugged = fixed_disk_tuple_found && ata_disk_tuple_found; - } - return ide_card_plugged; -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static void mbx8xx_pcmciaide_initialize -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| initialize PCMCIA IDE flash card access | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor /* controller minor number */ - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - /* - * FIXME: enable interrupts, if needed - */ - /* - * FIXME: set programming voltage as requested - */ -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static void mbx8xx_pcmciaide_read_reg -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| read a PCMCIA IDE controller register | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, /* controller minor number */ - int reg, /* register index to access */ - uint16_t *value /* ptr to return value location */ - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - uint32_t port = IDE_Controller_Table[minor].port1; - - if (reg == IDE_REGISTER_DATA_WORD) { -#ifdef DATAREG_16BIT - *value = *(volatile uint16_t*)(port+reg); -#else - *value = ((*(volatile uint8_t*)(port+reg) << 8) + - (*(volatile uint8_t*)(port+reg+1) )); -#endif - } - else { - *value = *(volatile uint8_t*)(port+reg); - } -#ifdef DEBUG_OUT - printk("mbx8xx_pcmciaide_read_reg(0x%x)=0x%x\r\n",reg,*value & 0xff); -#endif -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static void mbx8xx_pcmciaide_write_reg -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| write a PCMCIA IDE controller register | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, /* controller minor number */ - int reg, /* register index to access */ - uint16_t value /* value to write */ - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - uint32_t port = IDE_Controller_Table[minor].port1; - -#ifdef DEBUG_OUT - printk("mbx8xx_pcmciaide_write_reg(0x%x,0x%x)\r\n",reg,value & 0xff); -#endif - if (reg == IDE_REGISTER_DATA_WORD) { -#ifdef DATAREG_16BIT - *(volatile uint16_t*)(port+reg) = value; -#else - *(volatile uint8_t*)(port+reg) = value >> 8; - *(volatile uint8_t*)(port+reg+1) = value; -#endif - } - else { - *(volatile uint8_t*)(port+reg)= value; - } -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static void mbx8xx_pcmciaide_read_block -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| read a PCMCIA IDE controller register | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, - uint32_t block_size, - rtems_blkdev_sg_buffer *bufs, - uint32_t *cbuf, - uint32_t *pos - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - uint32_t port = IDE_Controller_Table[minor].port1; - uint16_t cnt = 0; -#ifdef DEBUG_OUT - printk("mbx8xx_pcmciaide_read_block()\r\n"); -#endif -#ifdef DATAREG_16BIT - uint16_t *lbuf = (uint16_t*) - ((uint8_t*)(bufs[(*cbuf)].buffer) + (*pos)); -#else - uint8_t *lbuf = (uint8_t*) - ((uint8_t*)(bufs[(*cbuf)].buffer) + (*pos)); -#endif - uint32_t llength = bufs[(*cbuf)].length; - - while (((*(volatile uint8_t*)(port+IDE_REGISTER_STATUS)) - & IDE_REGISTER_STATUS_DRQ) && - (cnt < block_size)) { -#ifdef DATAREG_16BIT - *lbuf++ = *(volatile uint16_t*)(port+8); /* 16 bit data port */ - cnt += 2; - (*pos) += 2; -#else - *lbuf++ = *(volatile uint8_t*)(port+IDE_REGISTER_DATA); - cnt += 1; - (*pos) += 1; -#endif - if ((*pos) == llength) { - (*pos) = 0; - (*cbuf)++; - lbuf = bufs[(*cbuf)].buffer; - llength = bufs[(*cbuf)].length; - } - } -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static void mbx8xx_pcmciaide_write_block -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| write a PCMCIA IDE controller register | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, - uint32_t block_size, - rtems_blkdev_sg_buffer *bufs, - uint32_t *cbuf, - uint32_t *pos - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - uint32_t port = IDE_Controller_Table[minor].port1; - uint16_t cnt = 0; - -#ifdef DEBUG_OUT - printk("mbx8xx_pcmciaide_write_block()\r\n"); -#endif -#ifdef DATA_REG_16BIT - uint16_t *lbuf = (uint16_t*) - ((uint8_t*)(bufs[(*cbuf)].buffer) + (*pos)); -#else - uint8_t *lbuf = (uint8_t*) - ((uint8_t*)(bufs[(*cbuf)].buffer) + (*pos)); -#endif - uint32_t llength = bufs[(*cbuf)].length; - - while (((*(volatile uint8_t*)(port+IDE_REGISTER_STATUS)) - & IDE_REGISTER_STATUS_DRQ) && - (cnt < block_size)) { -#ifdef DATAREG_16BIT - *(volatile uint16_t*)(port+8) = *lbuf++; /* 16 bit data port */ - cnt += 2; - (*pos) += 2; -#else - *(volatile uint8_t*)(port+IDE_REGISTER_DATA) = *lbuf++; - cnt += 1; - (*pos) += 1; -#endif - if ((*pos) == llength) { - (*pos) = 0; - (*cbuf)++; - lbuf = bufs[(*cbuf)].buffer; - llength = bufs[(*cbuf)].length; - } - } -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static int mbx8xx_pcmciaide_control -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| control interface for controller | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, /* controller minor number */ - uint32_t cmd, /* command to send */ - void * arg /* optional argument */ - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - return 0; -} - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -static rtems_status_code mbx8xx_pcmciaide_config_io_speed -( -/*-------------------------------------------------------------------------*\ -| Purpose: | -| set up transfer speed, if possible | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ - int minor, /* controller minor number */ - uint16_t modes_avail /* optional argument */ - ) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| rtems_status_code | -\*=========================================================================*/ -{ - return RTEMS_SUCCESSFUL; -} - -/* - * The following table configures the functions used for IDE drivers - * in this BSP. - */ - -ide_ctrl_fns_t mbx8xx_pcmciaide_ctrl_fns = { - mbx8xx_pcmciaide_probe, - mbx8xx_pcmciaide_initialize, - mbx8xx_pcmciaide_control, - mbx8xx_pcmciaide_read_reg, - mbx8xx_pcmciaide_write_reg, - mbx8xx_pcmciaide_read_block, - mbx8xx_pcmciaide_write_block, - mbx8xx_pcmciaide_config_io_speed -}; 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