#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++]; 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 (CONFIG_COMMANDS & CFG_CMD_PCMCIA) || defined(CONFIG_CMD_PCMCIA) int pcmcia_off (void) { return 0; } #endif #endif /* CONFIG_PXA_PCMCIA */