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#include <common.h>
#include <config.h>
#ifdef CONFIG_PXA_PCMCIA
#include <pcmcia.h>
#include <asm/arch/pxa-regs.h>
#include <asm/io.h>
static inline void msWait(unsigned msVal)
{
udelay(msVal*1000);
}
int pcmcia_on (void)
{
unsigned int reg_arr[] = {
0x48000028, CFG_MCMEM0_VAL,
0x4800002c, CFG_MCMEM1_VAL,
0x48000030, CFG_MCATT0_VAL,
0x48000034, CFG_MCATT1_VAL,
0x48000038, CFG_MCIO0_VAL,
0x4800003c, CFG_MCIO1_VAL,
0, 0
};
int i, rc;
#ifdef CONFIG_EXADRON1
int cardDetect;
volatile unsigned int *v_pBCRReg =
(volatile unsigned int *) 0x08000000;
#endif
debug ("%s\n", __FUNCTION__);
i = 0;
while (reg_arr[i]) {
(*(volatile unsigned int *) reg_arr[i]) |= reg_arr[i + 1];
i += 2;
}
udelay (1000);
debug ("%s: programmed mem controller \n", __FUNCTION__);
#ifdef CONFIG_EXADRON1
/*define useful BCR masks */
#define BCR_CF_INIT_VAL 0x00007230
#define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL 0x00007231
#define BCR_CF_PWRON_BUSOFF_RESETON_VAL 0x00007233
#define BCR_CF_PWRON_BUSON_RESETON_VAL 0x00007213
#define BCR_CF_PWRON_BUSON_RESETOFF_VAL 0x00007211
/* we see from the GPIO bit if the card is present */
cardDetect = !(GPLR0 & GPIO_bit (14));
if (cardDetect) {
printf ("No PCMCIA card found!\n");
}
/* reset the card via the BCR line */
*v_pBCRReg = (unsigned) BCR_CF_INIT_VAL;
msWait (500);
*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL;
msWait (500);
*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL;
msWait (500);
*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL;
msWait (500);
*v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL;
msWait (1500);
/* enable address bus */
GPCR1 = 0x01;
/* and the first CF slot */
MECR = 0x00000002;
#endif /* EXADRON 1 */
rc = check_ide_device (0); /* use just slot 0 */
return rc;
}
#if defined(CONFIG_CMD_PCMCIA)
int pcmcia_off (void)
{
return 0;
}
#endif
#endif /* CONFIG_PXA_PCMCIA */
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