#include <common.h> #include <mpc8xx.h> #include <pcmcia.h> #undef CONFIG_PCMCIA #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) #define CONFIG_PCMCIA #endif #if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) #define CONFIG_PCMCIA #endif #ifdef CONFIG_PCMCIA #define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" int pcmcia_voltage_set (int slot, int vcc, int vpp) { /* Do nothing */ return 0; } int pcmcia_hardware_enable (int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; volatile sysconf8xx_t *sysp; uint reg, mask; debug ("hardware_enable: GTH Slot %c\n", 'A' + slot); immap = (immap_t *) CFG_IMMR; sysp = (sysconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_siu_conf)); pcmp = (pcmconf8xx_t *) (&(((immap_t *) CFG_IMMR)->im_pcmcia)); cp = (cpm8xx_t *) (&(((immap_t *) CFG_IMMR)->im_cpm)); /* 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); /* * 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 & 0x98000000) { printf (" No Card found\n"); return (1); } 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"); 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 (CONFIG_COMMANDS & CFG_CMD_PCMCIA) int pcmcia_hardware_disable(int slot) { return 0; /* No hardware to disable */ } #endif #endif /* CONFIG_PCMCIA */