diff options
Diffstat (limited to 'board/r360mpi/pcmcia.c')
-rw-r--r-- | board/r360mpi/pcmcia.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/board/r360mpi/pcmcia.c b/board/r360mpi/pcmcia.c deleted file mode 100644 index a939b31..0000000 --- a/board/r360mpi/pcmcia.c +++ /dev/null @@ -1,232 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <pcmcia.h> - -#undef CONFIG_PCMCIA - -#if defined(CONFIG_CMD_PCMCIA) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define CONFIG_PCMCIA -#endif - -#ifdef CONFIG_PCMCIA - -#define PCMCIA_BOARD_MSG "R360MPI" - -int pcmcia_hardware_enable(int slot) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, mask; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - immap = (immap_t *)CONFIG_SYS_IMMR; - sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Ports A, B & C pins for - * 5 Volts Enable and 3 Volts enable - */ - immap->im_ioport.iop_pcpar &= ~(0x0400); - immap->im_ioport.iop_pcso &= ~(0x0400);/* - immap->im_ioport.iop_pcdir |= 0x0400;*/ - - immap->im_ioport.iop_papar &= ~(0x0200);/* - immap->im_ioport.iop_padir |= 0x0200;*/ -#if 0 - immap->im_ioport.iop_pbpar &= ~(0xC000); - immap->im_ioport.iop_pbdir &= ~(0xC000); -#endif - /* remove all power */ - - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On. - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - reg = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - reg, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - if ((reg & mask) == mask) { - immap->im_ioport.iop_pcdat &= ~(0x4000); - puts (" 5.0V card found: "); - } else { - immap->im_ioport.iop_padat &= ~(0x0002); - puts (" 3.3V card found: "); - } - immap->im_ioport.iop_pcdir |= 0x0400; - immap->im_ioport.iop_padir |= 0x0200; -#if 0 - /* VCC switch error flag, PCMCIA slot INPACK_ pin */ - cp->cp_pbdir &= ~(0x0020 | 0x0010); - cp->cp_pbpar &= ~(0x0020 | 0x0010); - udelay(500000); -#endif - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_hardware_disable(int slot) -{ - volatile immap_t *immap; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CONFIG_SYS_IMMR; - - /* remove all power */ - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(10000); - - return (0); -} -#endif - - -int pcmcia_voltage_set(int slot, int vcc, int vpp) -{ - volatile immap_t *immap; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - immap = (immap_t *)CONFIG_SYS_IMMR; - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Ports A & C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn off all power - */ - debug ("PCMCIA power OFF\n"); - immap->im_ioport.iop_pcpar &= ~(0x0400); - immap->im_ioport.iop_pcso &= ~(0x0400);/* - immap->im_ioport.iop_pcdir |= 0x0400;*/ - - immap->im_ioport.iop_papar &= ~(0x0200);/* - immap->im_ioport.iop_padir |= 0x0200;*/ - - immap->im_ioport.iop_pcdat |= 0x0400; - immap->im_ioport.iop_padat |= 0x0200; - - reg = 0; - switch(vcc) { - case 0: break; - case 33: reg |= 0x0200; break; - case 50: reg |= 0x0400; break; - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - if (reg & 0x0200) - immap->im_ioport.iop_pcdat &= !reg; - if (reg & 0x0400) - immap->im_ioport.iop_padat &= !reg; - immap->im_ioport.iop_pcdir |= 0x0200; - immap->im_ioport.iop_padir |= 0x0400; - if (reg) { - debug ("PCMCIA powered at %sV\n", - (reg&0x0400) ? "5.0" : "3.3"); - } else { - debug ("PCMCIA powered down\n"); - } - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -#endif /* CCONFIG_PCMCIA */ |