diff options
Diffstat (limited to 'bsps/powerpc/gen5200/ata/idecfg.c')
| -rw-r--r-- | bsps/powerpc/gen5200/ata/idecfg.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/bsps/powerpc/gen5200/ata/idecfg.c b/bsps/powerpc/gen5200/ata/idecfg.c new file mode 100644 index 0000000000..8cd26beef3 --- /dev/null +++ b/bsps/powerpc/gen5200/ata/idecfg.c @@ -0,0 +1,100 @@ +/*===============================================================*\ +| Project: RTEMS generic MPC5200 BSP | ++-----------------------------------------------------------------+ +| Copyright (c) 2005 | +| Embedded Brains GmbH | +| Obere Lagerstr. 30 | +| D-82178 Puchheim | +| Germany | +| rtems@embedded-brains.de | ++-----------------------------------------------------------------+ +| 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. | +| | ++-----------------------------------------------------------------+ +| this file contains the IDE configuration | +\*===============================================================*/ +#include <rtems.h> +#include <bsp.h> +#include <bsp/irq.h> +#include <bsp/mpc5200.h> +#include "./pcmcia_ide.h" + +#include <libchip/ide_ctrl.h> +#include <libchip/ide_ctrl_cfg.h> +#include <libchip/ide_ctrl_io.h> + +/* + * The following table configures the IDE driver used in this BSP. + */ +extern ide_ctrl_fns_t mpc5200_pcmciaide_ctrl_fns; + +volatile uint32_t * mpc5200_ata_drive_regs[] = + { + (uint32_t *)&(mpc5200.ata_ddr), /* data (offset 0x00) */ + (uint32_t *)&(mpc5200.ata_dfr_der), /* features / error (offset 0x01) */ + (uint32_t *)&(mpc5200.ata_dscr), /* sector count (offset 0x02) */ + (uint32_t *)&(mpc5200.ata_dsnr), /* sector no. / lba0 (offset 0x03) */ + (uint32_t *)&(mpc5200.ata_dclr), /* cylinder low / lba1 (offset 0x04) */ + (uint32_t *)&(mpc5200.ata_dchr), /* cylinder high/ lba2 (offset 0x05) */ + (uint32_t *)&(mpc5200.ata_ddhr), /* device head / lba3 (offset 0x06) */ + (uint32_t *)&(mpc5200.ata_dcr_dsr), /* command /status (offset 0x07) */ + + (uint32_t *)&(mpc5200.ata_dctr_dasr), /* device control / alternate status (offset 0x08) */ + (uint32_t *)&(mpc5200.ata_ddr), /* (offset 0x09) */ + (uint32_t *)&(mpc5200.ata_ddr), /* (offset 0x0A) */ + NULL, /* (offset 0x0B) */ + NULL, /* (offset 0x0C) */ + NULL, /* (offset 0x0D) */ + NULL, /* (offset 0x0E) */ + NULL /* (offset 0x0F) */ + }; + +/* IDE controllers Table */ +ide_controller_bsp_table_t IDE_Controller_Table[] = + { + { + "/dev/idepcmcia", + IDE_CUSTOM, /* PCMCIA Flash cards emulate custom IDE controller */ + &mpc5200_pcmciaide_ctrl_fns, /* pointer to function set used for IDE drivers in this BSP */ + NULL, /* no BSP dependent probe needed */ + FALSE, /* not (yet) initialized */ + (uint32_t)0, /* no port address but custom reg.set in params is used */ +#ifdef ATA_USE_INT + TRUE, /* interrupt driven */ +#else + FALSE, /* non interrupt driven */ +#endif + BSP_SIU_IRQ_ATA, /* interrupt vector */ + NULL /* no additional parameters */ + } +}; + +/* Number of rows in IDE_Controller_Table */ +unsigned long IDE_Controller_Count = sizeof(IDE_Controller_Table)/sizeof(IDE_Controller_Table[0]); + +uint32_t ata_pio_timings[2][6] = + { + /* PIO3 timings in nanosconds */ + { + 180, /* t0 cycle time */ + 80, /* t2 DIOR-/DIOW pulse width 8 bit */ + 80, /* t1 DIOR-/DIOW pulse width 16 bit */ + 10, /* t4 DIOW- data hold */ + 30, /* t1 Addr.valid to DIOR-/DIOW setup */ + 35, /* ta IORDY setup time */ + }, + /* PIO4 timings in nanosconds */ + { + 120, /* t0 cycle time */ + 70, /* t1 DIOR-/DIOW pulse width 8 bit */ + 70, /* t1 DIOR-/DIOW pulse width 16 bit */ + 10, /* t4 DIOW- data hold */ + 25, /* t1 Addr.valid to DIOR-/DIOW setup */ + 35, /* ta IORDY setup time */ + } + }; + + |