/* * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * ******************************************************************** * * Lots of code copied from: * * m8xx_pcmcia.c - Linux PCMCIA socket driver for the mpc8xx series. * (C) 1999-2000 Magnus Damm <damm@bitsmart.com> * * "The ExCA standard specifies that socket controllers should provide * two IO and five memory windows per socket, which can be independently * configured and positioned in the host address space and mapped to * arbitrary segments of card address space. " - David A Hinds. 1999 * * This controller does _not_ meet the ExCA standard. * * m8xx pcmcia controller brief info: * + 8 windows (attrib, mem, i/o) * + up to two slots (SLOT_A and SLOT_B) * + inputpins, outputpins, event and mask registers. * - no offset register. sigh. * * Because of the lacking offset register we must map the whole card. * We assign each memory window PCMCIA_MEM_WIN_SIZE address space. * Make sure there is (PCMCIA_MEM_WIN_SIZE * PCMCIA_MEM_WIN_NO * * PCMCIA_SOCKETS_NO) bytes at PCMCIA_MEM_WIN_BASE. * The i/o windows are dynamically allocated at PCMCIA_IO_WIN_BASE. * They are maximum 64KByte each... */ /* #define DEBUG 1 */ /* * PCMCIA support */ #include <common.h> #include <command.h> #include <config.h> #include <pcmcia.h> #if defined(CONFIG_8xx) #include <mpc8xx.h> #endif #if defined(CONFIG_LWMON) #include <i2c.h> #endif #ifdef CONFIG_PXA_PCMCIA #include <asm/arch/pxa-regs.h> #endif #include <asm/io.h> #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) || \ ((CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)) int pcmcia_on (void); #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int pcmcia_off (void); #endif #ifdef CONFIG_I82365 extern int i82365_init (void); extern void i82365_exit (void); #else /* ! CONFIG_I82365 */ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int hardware_disable(int slot); #endif static int hardware_enable (int slot); static int voltage_set(int slot, int vcc, int vpp); #if (! defined(CONFIG_I82365)) && (! defined(CONFIG_PXA_PCMCIA)) static u_int m8xx_get_graycode(u_int size); #endif /* !CONFIG_I82365, !CONFIG_PXA_PCMCIA */ #if 0 static u_int m8xx_get_speed(u_int ns, u_int is_io); #endif /* -------------------------------------------------------------------- */ #ifndef CONFIG_PXA_PCMCIA /* look up table for pgcrx registers */ static u_int *pcmcia_pgcrx[2] = { &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcra, &((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pgcrb, }; #define PCMCIA_PGCRX(slot) (*pcmcia_pgcrx[slot]) #endif /* CONFIG_PXA_PCMCIA */ #endif /* CONFIG_I82365 */ #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_funcid (int func); static void print_fixed (volatile uchar *p); static int identify (volatile uchar *p); static int check_ide_device (int slot); #endif /* CONFIG_IDE_8xx_PCCARD, CONFIG_PXA_PCMCIA */ const char *indent = "\t "; /* -------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) int do_pinit (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int rcode = 0; if (argc != 2) { printf ("Usage: pinit {on | off}\n"); return 1; } if (strcmp(argv[1],"on") == 0) { rcode = pcmcia_on (); } else if (strcmp(argv[1],"off") == 0) { rcode = pcmcia_off (); } else { printf ("Usage: pinit {on | off}\n"); return 1; } return rcode; } #endif /* CFG_CMD_PCMCIA */ /* -------------------------------------------------------------------- */ #ifdef CONFIG_I82365 int pcmcia_on (void) { u_int rc; debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); rc = i82365_init(); if (rc == 0) { rc = check_ide_device(0); } return (rc); } #else #ifndef CONFIG_PXA_PCMCIA #ifdef CONFIG_HMI10 # define HMI10_FRAM_TIMING (PCMCIA_SHT(2) | PCMCIA_SST(2) | PCMCIA_SL(4)) #endif #if defined(CONFIG_LWMON) || defined(CONFIG_NSCU) # define CFG_PCMCIA_TIMING (PCMCIA_SHT(9) | PCMCIA_SST(3) | PCMCIA_SL(12)) #else # define CFG_PCMCIA_TIMING (PCMCIA_SHT(2) | PCMCIA_SST(4) | PCMCIA_SL(9)) #endif int pcmcia_on (void) { int i; u_long reg, base; pcmcia_win_t *win; u_int slotbit; u_int rc, slot; debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); /* intialize the fixed memory windows */ win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); base = CFG_PCMCIA_MEM_ADDR; if((reg = m8xx_get_graycode(CFG_PCMCIA_MEM_SIZE)) == -1) { printf ("Cannot set window size to 0x%08x\n", CFG_PCMCIA_MEM_SIZE); return (1); } slotbit = PCMCIA_SLOT_x; for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { win->br = base; #if (PCMCIA_SOCKETS_NO == 2) if (i == 4) /* Another slot starting from win 4 */ slotbit = (slotbit ? PCMCIA_PSLOT_A : PCMCIA_PSLOT_B); #endif switch (i) { #ifdef CONFIG_IDE_8xx_PCCARD case 4: #ifdef CONFIG_HMI10 { /* map FRAM area */ win->or = ( PCMCIA_BSIZE_256K | PCMCIA_PPS_8 | PCMCIA_PRS_ATTR | slotbit | PCMCIA_PV | HMI10_FRAM_TIMING ); break; } #endif case 0: { /* map attribute memory */ win->or = ( PCMCIA_BSIZE_64M | PCMCIA_PPS_8 | PCMCIA_PRS_ATTR | slotbit | PCMCIA_PV | CFG_PCMCIA_TIMING ); break; } case 5: case 1: { /* map I/O window for data reg */ win->or = ( PCMCIA_BSIZE_1K | PCMCIA_PPS_16 | PCMCIA_PRS_IO | slotbit | PCMCIA_PV | CFG_PCMCIA_TIMING ); break; } case 6: case 2: { /* map I/O window for cmd/ctrl reg block */ win->or = ( PCMCIA_BSIZE_1K | PCMCIA_PPS_8 | PCMCIA_PRS_IO | slotbit | PCMCIA_PV | CFG_PCMCIA_TIMING ); break; } #endif /* CONFIG_IDE_8xx_PCCARD */ #ifdef CONFIG_HMI10 case 3: { /* map I/O window for 4xUART data/ctrl */ win->br += 0x40000; win->or = ( PCMCIA_BSIZE_256K | PCMCIA_PPS_8 | PCMCIA_PRS_IO | slotbit | PCMCIA_PV | CFG_PCMCIA_TIMING ); break; } #endif /* CONFIG_HMI10 */ default: /* set to not valid */ win->or = 0; break; } debug ("MemWin %d: PBR 0x%08lX POR %08lX\n", i, win->br, win->or); base += CFG_PCMCIA_MEM_SIZE; ++win; } for (i=0, rc=0, slot=_slot_; i<PCMCIA_SOCKETS_NO; i++, slot = !slot) { /* turn off voltage */ if ((rc = voltage_set(slot, 0, 0))) continue; /* Enable external hardware */ if ((rc = hardware_enable(slot))) continue; #ifdef CONFIG_IDE_8xx_PCCARD if ((rc = check_ide_device(i))) continue; #endif } return (rc); } #endif /* CONFIG_PXA_PCMCIA */ #endif /* CONFIG_I82365 */ #ifdef CONFIG_PXA_PCMCIA static int hardware_enable (int slot) { return 0; /* No hardware to enable */ } static int hardware_disable(int slot) { return 0; /* No hardware to disable */ } static int voltage_set(int slot, int vcc, int vpp) { return 0; } 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; } #endif /* CONFIG_PXA_PCMCIA */ /* -------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) #ifdef CONFIG_I82365 static int pcmcia_off (void) { printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); i82365_exit(); return 0; } #else #ifndef CONFIG_PXA_PCMCIA static int pcmcia_off (void) { int i; pcmcia_win_t *win; printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); /* clear interrupt state, and disable interrupts */ ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pscr = PCMCIA_MASK(_slot_); ((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_per &= ~PCMCIA_MASK(_slot_); /* turn off interrupt and disable CxOE */ PCMCIA_PGCRX(_slot_) = __MY_PCMCIA_GCRX_CXOE; /* turn off memory windows */ win = (pcmcia_win_t *)(&((immap_t *)CFG_IMMR)->im_pcmcia.pcmc_pbr0); for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { /* disable memory window */ win->or = 0; ++win; } /* turn off voltage */ voltage_set(_slot_, 0, 0); /* disable external hardware */ printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG "\n"); hardware_disable(_slot_); return 0; } #endif /* CONFIG_PXA_PCMCIA */ #endif /* CONFIG_I82365 */ #ifdef CONFIG_PXA_PCMCIA static int pcmcia_off (void) { return 0; } #endif #endif /* CFG_CMD_PCMCIA */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) #define MAX_TUPEL_SZ 512 #define MAX_FEATURES 4 int ide_devices_found; static int check_ide_device (int slot) { volatile uchar *ident = NULL; volatile uchar *feature_p[MAX_FEATURES]; volatile uchar *p, *start, *addr; int n_features = 0; uchar func_id = ~0; uchar code, len; ushort config_base = 0; int found = 0; int i; addr = (volatile uchar *)(CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE * (slot * 4)); debug ("PCMCIA MEM: %08lX\n", (ulong)addr); start = p = (volatile uchar *) addr; while ((p - start) < MAX_TUPEL_SZ) { code = *p; p += 2; if (code == 0xFF) { /* End of chain */ break; } len = *p; p += 2; #if defined(DEBUG) && (DEBUG > 1) { volatile uchar *q = p; printf ("\nTuple code %02x length %d\n\tData:", code, len); for (i = 0; i < len; ++i) { printf (" %02x", *q); q+= 2; } } #endif /* DEBUG */ switch (code) { case CISTPL_VERS_1: ident = p + 4; break; case CISTPL_FUNCID: /* Fix for broken SanDisk which may have 0x80 bit set */ func_id = *p & 0x7F; break; case CISTPL_FUNCE: if (n_features < MAX_FEATURES) feature_p[n_features++] = p; break; case CISTPL_CONFIG: config_base = (*(p+6) << 8) + (*(p+4)); debug ("\n## Config_base = %04x ###\n", config_base); default: break; } p += 2 * len; } found = identify (ident); if (func_id != ((uchar)~0)) { print_funcid (func_id); if (func_id == CISTPL_FUNCID_FIXED) found = 1; else return (1); /* no disk drive */ } for (i=0; i<n_features; ++i) { print_fixed (feature_p[i]); } if (!found) { printf ("unknown card type\n"); return (1); } ide_devices_found |= (1 << slot); #if CONFIG_CPC45 #else /* set I/O area in config reg -> only valid for ARGOSY D5!!! */ *((uchar *)(addr + config_base)) = 1; #endif #if 0 printf("\n## Config_base = %04x ###\n", config_base); printf("Configuration Option Register: %02x @ %x\n", readb(addr + config_base), addr + config_base); printf("Card Configuration and Status Register: %02x\n", readb(addr + config_base + 2)); printf("Pin Replacement Register Register: %02x\n", readb(addr + config_base + 4)); printf("Socket and Copy Register: %02x\n", readb(addr + config_base + 6)); #endif return (0); } #endif /* CONFIG_IDE_8xx_PCCARD */ /* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */ /* board specific stuff: */ /* voltage_set(), hardware_enable() and hardware_disable() */ /* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */ /* RPX Boards from Embedded Planet */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_RPXCLASSIC) || defined(CONFIG_RPXLITE) /* The RPX boards seems to have it's bus monitor timeout set to 6*8 clocks. * SYPCR is write once only, therefore must the slowest memory be faster * than the bus monitor or we will get a machine check due to the bus timeout. */ #define PCMCIA_BOARD_MSG "RPX CLASSIC or RPX LITE" #undef PCMCIA_BMT_LIMIT #define PCMCIA_BMT_LIMIT (6*8) static int voltage_set(int slot, int vcc, int vpp) { u_long reg = 0; switch(vcc) { case 0: break; case 33: reg |= BCSR1_PCVCTL4; break; case 50: reg |= BCSR1_PCVCTL5; break; default: return 1; } switch(vpp) { case 0: break; case 33: case 50: if(vcc == vpp) reg |= BCSR1_PCVCTL6; else return 1; break; case 120: reg |= BCSR1_PCVCTL7; default: return 1; } if(vcc == 120) return 1; /* first, turn off all power */ *((uint *)RPX_CSR_ADDR) &= ~(BCSR1_PCVCTL4 | BCSR1_PCVCTL5 | BCSR1_PCVCTL6 | BCSR1_PCVCTL7); /* enable new powersettings */ *((uint *)RPX_CSR_ADDR) |= reg; return 0; } #define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V static int hardware_enable (int slot) { return 0; /* No hardware to enable */ } #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int hardware_disable(int slot) { return 0; /* No hardware to disable */ } #endif /* CFG_CMD_PCMCIA */ #endif /* CONFIG_RPXCLASSIC */ /* -------------------------------------------------------------------- */ /* (F)ADS Boards from Motorola */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_ADS) || defined(CONFIG_FADS) #ifdef CONFIG_ADS #define PCMCIA_BOARD_MSG "ADS" #define PCMCIA_GLITCHY_CD /* My ADS board needs this */ #else #define PCMCIA_BOARD_MSG "FADS" #endif static int voltage_set(int slot, int vcc, int vpp) { u_long reg = 0; switch(vpp) { case 0: reg = 0; break; case 50: reg = 1; break; case 120: reg = 2; break; default: return 1; } switch(vcc) { case 0: reg = 0; break; #ifdef CONFIG_ADS case 50: reg = BCSR1_PCCVCCON; break; #endif #ifdef CONFIG_FADS case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; case 50: reg = BCSR1_PCCVCC1; break; #endif default: return 1; } /* first, turn off all power */ #ifdef CONFIG_ADS *((uint *)BCSR1) |= BCSR1_PCCVCCON; #endif #ifdef CONFIG_FADS *((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1); #endif *((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; /* enable new powersettings */ #ifdef CONFIG_ADS *((uint *)BCSR1) &= ~reg; #endif #ifdef CONFIG_FADS *((uint *)BCSR1) |= reg; #endif *((uint *)BCSR1) |= reg << 20; return 0; } #define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V static int hardware_enable(int slot) { *((uint *)BCSR1) &= ~BCSR1_PCCEN; return 0; } #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int hardware_disable(int slot) { *((uint *)BCSR1) &= ~BCSR1_PCCEN; return 0; } #endif /* CFG_CMD_PCMCIA */ #endif /* (F)ADS */ /* -------------------------------------------------------------------- */ /* TQM8xxL Boards by TQ Components */ /* SC8xx Boards by SinoVee Microsystems */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx) #if defined(CONFIG_TQM8xxL) #define PCMCIA_BOARD_MSG "TQM8xxL" #endif #if defined(CONFIG_SVM_SC8xx) #define PCMCIA_BOARD_MSG "SC8xx" #endif static int 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: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* * 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 */ #ifndef NSCU_OE_INV reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ #endif PCMCIA_PGCRX(slot) = reg; udelay(500); #ifndef CONFIG_HMI10 #ifndef CONFIG_NSCU /* * Configure Port C pins for * 5 Volts Enable and 3 Volts enable */ immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004); /* remove all power */ immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); #endif #else /* CONFIG_HMI10 */ /* * Configure Port B pins for * 5 Volts Enable and 3 Volts enable */ immap->im_cpm.cp_pbpar &= ~(0x00000300); /* remove all power */ immap->im_cpm.cp_pbdat |= 0x00000300; #endif /* CONFIG_HMI10 */ /* * 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); #ifndef CONFIG_HMI10 if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { #else if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { #endif /* CONFIG_HMI10 */ 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"); #ifndef CONFIG_NSCU if ((reg & mask) == mask) { #ifndef CONFIG_HMI10 immap->im_ioport.iop_pcdat |= 0x0004; #else immap->im_cpm.cp_pbdat &= ~(0x0000100); #endif /* CONFIG_HMI10 */ puts (" 5.0V card found: "); } else { #ifndef CONFIG_HMI10 immap->im_ioport.iop_pcdat |= 0x0002; #else immap->im_cpm.cp_pbdat &= ~(0x0000200); #endif /* CONFIG_HMI10 */ puts (" 3.3V card found: "); } #ifndef CONFIG_HMI10 immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); #else immap->im_cpm.cp_pbdir |= 0x00000300; #endif /* CONFIG_HMI10 */ #else if ((reg & mask) == mask) { puts (" 5.0V card found: "); } else { puts (" 3.3V card found: "); } #endif #if 0 /* VCC switch error flag, PCMCIA slot INPACK_ pin */ cp->cp_pbdir &= ~(0x0020 | 0x0010); cp->cp_pbpar &= ~(0x0020 | 0x0010); udelay(500000); #endif udelay(1000); debug ("Enable PCMCIA buffers and stop RESET\n"); reg = PCMCIA_PGCRX(slot); reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ #ifndef NSCU_OE_INV reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ #else reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ #endif 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); #ifndef CONFIG_HMI10 #ifndef CONFIG_NSCU /* remove all power */ immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); #endif #else /* CONFIG_HMI10 */ immap->im_cpm.cp_pbdat |= 0x00000300; #endif /* CONFIG_HMI10 */ debug ("Disable PCMCIA buffers and assert RESET\n"); reg = 0; reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ #ifndef NSCU_OE_INV reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ #endif PCMCIA_PGCRX(slot) = reg; udelay(10000); return (0); } #endif /* CFG_CMD_PCMCIA */ #ifdef CONFIG_NSCU static int voltage_set(int slot, int vcc, int vpp) { return 0; } #else static int 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 *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 */ #ifndef NSCU_OE_INV reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ #else reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ #endif PCMCIA_PGCRX(slot) = reg; udelay(500); #ifndef CONFIG_HMI10 /* * Configure Port C pins for * 5 Volts Enable and 3 Volts enable, * Turn off all power */ debug ("PCMCIA power OFF\n"); immap->im_ioport.iop_pcpar &= ~(0x0002 | 0x0004); immap->im_ioport.iop_pcso &= ~(0x0002 | 0x0004); immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004); reg = 0; switch(vcc) { case 0: break; case 33: reg |= 0x0002; break; case 50: reg |= 0x0004; break; default: goto done; } #else /* CONFIG_HMI10 */ /* * Configure Port B pins for * 5 Volts Enable and 3 Volts enable, * Turn off all power */ debug ("PCMCIA power OFF\n"); immap->im_cpm.cp_pbpar &= ~(0x00000300); /* remove all power */ immap->im_cpm.cp_pbdat |= 0x00000300; reg = 0; switch(vcc) { case 0: break; case 33: reg |= 0x00000200; break; case 50: reg |= 0x00000100; break; default: goto done; } #endif /* CONFIG_HMI10 */ /* Checking supported voltages */ debug ("PIPR: 0x%x --> %s\n", pcmp->pcmc_pipr, (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); #ifndef CONFIG_HMI10 immap->im_ioport.iop_pcdat |= reg; immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004); #else immap->im_cpm.cp_pbdat &= !reg; immap->im_cpm.cp_pbdir |= 0x00000300; #endif /* CONFIG_HMI10 */ if (reg) { #ifndef CONFIG_HMI10 debug ("PCMCIA powered at %sV\n", (reg&0x0004) ? "5.0" : "3.3"); #else debug ("PCMCIA powered at %sV\n", (reg&0x00000200) ? "5.0" : "3.3"); #endif /* CONFIG_HMI10 */ } 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 */ #ifndef NSCU_OE_INV reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ #else reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ #endif PCMCIA_PGCRX(slot) = reg; udelay(500); debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", slot+'A'); return (0); } #endif #endif /* TQM8xxL */ /* -------------------------------------------------------------------- */ /* LWMON Board */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_LWMON) #define PCMCIA_BOARD_MSG "LWMON" /* #define's for MAX1604 Power Switch */ #define MAX1604_OP_SUS 0x80 #define MAX1604_VCCBON 0x40 #define MAX1604_VCC_35 0x20 #define MAX1604_VCCBHIZ 0x10 #define MAX1604_VPPBON 0x08 #define MAX1604_VPPBPBPGM 0x04 #define MAX1604_VPPBHIZ 0x02 /* reserved 0x01 */ static int hardware_enable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; volatile sysconf8xx_t *sysp; uint reg, mask; uchar val; debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); /* Switch on PCMCIA port in PIC register 0x60 */ reg = pic_read (0x60); debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); reg &= ~0x10; /* reg |= 0x08; Vpp not needed */ pic_write (0x60, reg); #ifdef DEBUG reg = pic_read (0x60); printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); #endif udelay(10000); 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)); /* * 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); /* * 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) { val = 0; /* VCCB3/5 = 0 ==> use Vx = 5.0 V */ puts (" 5.0V card found: "); } else { val = MAX1604_VCC_35; /* VCCB3/5 = 1 ==> use Vy = 3.3 V */ puts (" 3.3V card found: "); } /* switch VCC on */ val |= MAX1604_OP_SUS | MAX1604_VCCBON; i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); udelay(500000); 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile pcmconf8xx_t *pcmp; u_long reg; uchar val; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* remove all power, put output in high impedance state */ val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); /* 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; /* Switch off PCMCIA port in PIC register 0x60 */ reg = pic_read (0x60); debug ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); reg |= 0x10; reg &= ~0x08; pic_write (0x60, reg); #ifdef DEBUG reg = pic_read (0x60); printf ("[%d] PIC read: reg_60 = 0x%02x\n", __LINE__, reg); #endif udelay(10000); return (0); } #endif /* CFG_CMD_PCMCIA */ static int voltage_set(int slot, int vcc, int vpp) { volatile immap_t *immap; volatile pcmconf8xx_t *pcmp; u_long reg; uchar val; 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 *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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); /* * Turn off all power (switch to high impedance) */ debug ("PCMCIA power OFF\n"); val = MAX1604_VCCBHIZ | MAX1604_VPPBHIZ; i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); val = 0; switch(vcc) { case 0: break; case 33: val = MAX1604_VCC_35; break; case 50: 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"); i2c_write (CFG_I2C_POWER_A_ADDR, 0, 0, &val, 1); if (val) { debug ("PCMCIA powered at %sV\n", (val & MAX1604_VCC_35) ? "3.3" : "5.0"); } 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 /* LWMON */ /* -------------------------------------------------------------------- */ /* GTH board by Corelatus AB */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_GTH) #define PCMCIA_BOARD_MSG "GTH COMPACT FLASH" static int voltage_set (int slot, int vcc, int vpp) { /* Do nothing */ return 0; } static int 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) static int hardware_disable(int slot) { return 0; /* No hardware to disable */ } #endif /* CFG_CMD_PCMCIA */ #endif /* CONFIG_GTH */ /* -------------------------------------------------------------------- */ /* ICU862 Boards by Cambridge Broadband Ltd. */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_ICU862) #define PCMCIA_BOARD_MSG "ICU862" static void cfg_port_B (void); static int hardware_enable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; volatile sysconf8xx_t *sysp; uint reg, pipr, mask; int i; debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* Configure Port B for TPS2205 PC-Card Power-Interface Switch */ cfg_port_B (); /* * 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); /* * 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: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z */ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); pipr = pcmp->pcmc_pipr; debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", pipr, (reg&PCMCIA_VS1(slot))?"n":"ff", (reg&PCMCIA_VS2(slot))?"n":"ff"); reg = cp->cp_pbdat; if ((pipr & mask) == mask) { reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ TPS2205_VCC3); /* 3V off */ reg &= ~(TPS2205_VCC5); /* 5V on */ puts (" 5.0V card found: "); } else { reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ TPS2205_VCC5); /* 5V off */ reg &= ~(TPS2205_VCC3); /* 3V on */ puts (" 3.3V card found: "); } debug ("\nPB DAT: %08x -> 3.3V %s 5.0V %s VPP_PGM %s VPP_VCC %s\n", reg, (reg & TPS2205_VCC3) ? "off" : "on", (reg & TPS2205_VCC5) ? "off" : "on", (reg & TPS2205_VPP_PGM) ? "off" : "on", (reg & TPS2205_VPP_VCC) ? "off" : "on" ); cp->cp_pbdat = reg; /* Wait 500 ms; use this to check for over-current */ for (i=0; i<5000; ++i) { if ((cp->cp_pbdat & TPS2205_OC) == 0) { printf (" *** Overcurrent - Safety shutdown ***\n"); cp->cp_pbdat &= ~(TPS2205_SHDN); return (1); } udelay (100); } 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* Shut down */ cp->cp_pbdat &= ~(TPS2205_SHDN); /* 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 /* CFG_CMD_PCMCIA */ static int voltage_set(int slot, int vcc, int vpp) { volatile immap_t *immap; volatile cpm8xx_t *cp; 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 *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 Port C pins for * 5 Volts Enable and 3 Volts enable, * Turn all power pins to Hi-Z */ debug ("PCMCIA power OFF\n"); cfg_port_B (); /* Enables switch, but all in Hi-Z */ reg = cp->cp_pbdat; switch(vcc) { case 0: break; /* Switch off */ case 33: reg &= ~TPS2205_VCC3; break; /* Switch on 3.3V */ case 50: reg &= ~TPS2205_VCC5; break; /* Switch on 5.0V */ 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"); cp->cp_pbdat = reg; #ifdef DEBUG { char *s; if ((reg & TPS2205_VCC3) == 0) { s = "at 3.3V"; } else if ((reg & TPS2205_VCC5) == 0) { s = "at 5.0V"; } else { s = "down"; } printf ("PCMCIA powered %s\n", s); } #endif 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); } static void cfg_port_B (void) { volatile immap_t *immap; volatile cpm8xx_t *cp; uint reg; immap = (immap_t *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); /* * Configure Port B for TPS2205 PC-Card Power-Interface Switch * * Switch off all voltages, assert shutdown */ reg = cp->cp_pbdat; reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ TPS2205_VCC3 | TPS2205_VCC5 | /* VAVCC => Hi-Z */ TPS2205_SHDN); /* enable switch */ cp->cp_pbdat = reg; cp->cp_pbpar &= ~(TPS2205_INPUTS | TPS2205_OUTPUTS); reg = cp->cp_pbdir & ~(TPS2205_INPUTS); cp->cp_pbdir = reg | TPS2205_OUTPUTS; debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); } #endif /* ICU862 */ /* -------------------------------------------------------------------- */ /* C2MON Boards by TTTech Computertechnik AG */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_C2MON) #define PCMCIA_BOARD_MSG "C2MON" static void cfg_ports (void); static int hardware_enable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; volatile sysconf8xx_t *sysp; uint reg, pipr, mask; ushort sreg; int i; debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ cfg_ports (); /* * 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); /* * 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: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z */ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); pipr = pcmp->pcmc_pipr; debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", pipr, (reg&PCMCIA_VS1(slot))?"n":"ff", (reg&PCMCIA_VS2(slot))?"n":"ff"); sreg = immap->im_ioport.iop_pcdat; if ((pipr & mask) == mask) { sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ TPS2211_VCCD1); /* 5V on */ sreg &= ~(TPS2211_VCCD0); /* 3V off */ puts (" 5.0V card found: "); } else { sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1 | /* VAVPP => Hi-Z */ TPS2211_VCCD0); /* 3V on */ sreg &= ~(TPS2211_VCCD1); /* 5V off */ puts (" 3.3V card found: "); } debug ("\nPC DAT: %04x -> 3.3V %s 5.0V %s\n", sreg, ( (sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) ? "on" : "off", (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) ? "on" : "off" ); immap->im_ioport.iop_pcdat = sreg; /* Wait 500 ms; use this to check for over-current */ for (i=0; i<5000; ++i) { if ((cp->cp_pbdat & TPS2211_OC) == 0) { printf (" *** Overcurrent - Safety shutdown ***\n"); immap->im_ioport.iop_pcdat &= ~(TPS2211_VCCD0|TPS2211_VCCD1); return (1); } udelay (100); } 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* 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; /* ALl voltages off / Hi-Z */ immap->im_ioport.iop_pcdat |= (TPS2211_VPPD0 | TPS2211_VPPD1 | TPS2211_VCCD0 | TPS2211_VCCD1 ); udelay(10000); return (0); } #endif /* CFG_CMD_PCMCIA */ static int voltage_set(int slot, int vcc, int vpp) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; ushort sreg; 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 *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 Port C pins for * 5 Volts Enable and 3 Volts enable, * Turn all power pins to Hi-Z */ debug ("PCMCIA power OFF\n"); cfg_ports (); /* Enables switch, but all in Hi-Z */ sreg = immap->im_ioport.iop_pcdat; sreg |= TPS2211_VPPD0 | TPS2211_VPPD1; /* VAVPP always Hi-Z */ switch(vcc) { case 0: break; /* Switch off */ case 33: sreg |= TPS2211_VCCD0; /* Switch on 3.3V */ sreg &= ~TPS2211_VCCD1; break; case 50: sreg &= ~TPS2211_VCCD0; /* Switch on 5.0V */ sreg |= TPS2211_VCCD1; 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"); immap->im_ioport.iop_pcdat = sreg; #ifdef DEBUG { char *s; if ((sreg & TPS2211_VCCD0) && !(sreg & TPS2211_VCCD1)) { s = "at 3.3V"; } else if (!(sreg & TPS2211_VCCD0) && (sreg & TPS2211_VCCD1)) { s = "at 5.0V"; } else { s = "down"; } printf ("PCMCIA powered %s\n", s); } #endif 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); } static void cfg_ports (void) { volatile immap_t *immap; volatile cpm8xx_t *cp; ushort sreg; immap = (immap_t *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); /* * Configure Port C for TPS2211 PC-Card Power-Interface Switch * * Switch off all voltages, assert shutdown */ sreg = immap->im_ioport.iop_pcdat; sreg |= (TPS2211_VPPD0 | TPS2211_VPPD1); /* VAVPP => Hi-Z */ sreg &= ~(TPS2211_VCCD0 | TPS2211_VCCD1); /* 3V and 5V off */ immap->im_ioport.iop_pcdat = sreg; immap->im_ioport.iop_pcpar &= ~(TPS2211_OUTPUTS); immap->im_ioport.iop_pcdir |= TPS2211_OUTPUTS; debug ("Set Port C: PAR: %04x DIR: %04x DAT: %04x\n", immap->im_ioport.iop_pcpar, immap->im_ioport.iop_pcdir, immap->im_ioport.iop_pcdat); /* * Configure Port B for TPS2211 PC-Card Power-Interface Switch * * Over-Current Input only */ cp->cp_pbpar &= ~(TPS2211_INPUTS); cp->cp_pbdir &= ~(TPS2211_INPUTS); debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); } #endif /* C2MON */ /* -------------------------------------------------------------------- */ /* MBX board from Morotola */ /* -------------------------------------------------------------------- */ #if defined( CONFIG_MBX ) #include <../board/mbx8xx/csr.h> /* A lot of this has been taken from the RPX code in this file it works from me. I have added the voltage selection for the MBX board. */ /* MBX voltage bit in control register #2 */ #define CR2_VPP12 ((uchar)0x10) #define CR2_VPPVDD ((uchar)0x20) #define CR2_VDD5 ((uchar)0x40) #define CR2_VDD3 ((uchar)0x80) #define PCMCIA_BOARD_MSG "MBX860" static int voltage_set (int slot, int vcc, int vpp) { uchar reg = 0; 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); switch (vcc) { case 0: break; case 33: reg |= CR2_VDD3; break; case 50: reg |= CR2_VDD5; break; default: return 1; } switch (vpp) { case 0: break; case 33: case 50: if (vcc == vpp) { reg |= CR2_VPPVDD; } else { return 1; } break; case 120: reg |= CR2_VPP12; break; default: return 1; } /* first, turn off all power */ MBX_CSR2 &= ~(CR2_VDDSEL | CR2_VPPSEL); /* enable new powersettings */ MBX_CSR2 |= reg; debug ("MBX_CSR2 read = 0x%02x\n", MBX_CSR2); return (0); } static int 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: " PCMCIA_BOARD_MSG " Slot %c\n", 'A' + slot); udelay (10000); 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); /* remove all power */ voltage_set (slot, 0, 0); /* * 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); #ifndef CONFIG_HMI10 if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { #else if (pcmp->pcmc_pipr & (0x10000000 >> (slot << 4))) { #endif /* CONFIG_HMI10 */ 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) { voltage_set (_slot_, 50, 0); printf (" 5.0V card found: "); } else { voltage_set (_slot_, 33, 0); printf (" 3.3V card found: "); } 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) static int hardware_disable (int slot) { return 0; /* No hardware to disable */ } #endif /* CFG_CMD_PCMCIA */ #endif /* CONFIG_MBX */ /* -------------------------------------------------------------------- */ /* R360MPI Board */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_R360MPI) #define PCMCIA_BOARD_MSG "R360MPI" static int 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: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* * 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 (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int hardware_disable(int slot) { volatile immap_t *immap; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* 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 /* CFG_CMD_PCMCIA */ static int 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 *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 /* R360MPI */ /* -------------------------------------------------------------------- */ /* KUP4K and KUP4X Boards */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_KUP4K) || defined(CONFIG_KUP4X) #define PCMCIA_BOARD_MSG "KUP" #define KUP4K_PCMCIA_B_3V3 (0x00020000) static int 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: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* * 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(2500); /* * Configure Port B pins for * 3 Volts enable */ if (slot) { /* Slot A is built-in */ cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; /* remove all power */ cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ } /* * 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. */ printf("%s Slot %c:", slot ? "" : "\n", 'A' + slot); 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) { puts (" 5.0V card found: NOT SUPPORTED !!!\n"); } else { if(slot) cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; puts (" 3.3V card found: "); } #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 (CONFIG_COMMANDS & CFG_CMD_PCMCIA) static int hardware_disable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); /* remove all power */ if (slot) cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* 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 /* CFG_CMD_PCMCIA */ static int voltage_set(int slot, int vcc, int vpp) { volatile immap_t *immap; volatile cpm8xx_t *cp; 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); if (!slot) /* Slot A is not configurable */ return 0; immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); /* * 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); debug ("PCMCIA power OFF\n"); /* * Configure Port B pins for * 3 Volts enable */ cp->cp_pbdir |= KUP4K_PCMCIA_B_3V3; cp->cp_pbpar &= ~KUP4K_PCMCIA_B_3V3; /* remove all power */ cp->cp_pbdat |= KUP4K_PCMCIA_B_3V3; /* active low */ switch(vcc) { case 0: break; case 33: cp->cp_pbdat &= ~KUP4K_PCMCIA_B_3V3; debug ("PCMCIA powered at 3.3V\n"); break; case 50: debug ("PCMCIA: 5Volt vcc not supported\n"); break; default: puts("PCMCIA: vcc not supported"); break; } udelay(10000); /* Checking supported voltages */ debug ("PIPR: 0x%x --> %s\n", pcmp->pcmc_pipr, (pcmp->pcmc_pipr & (0x80000000 >> (slot << 4))) ? "only 5 V --> NOT SUPPORTED" : "can do 3.3V"); 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 /* KUP4K || KUP4X */ /* -------------------------------------------------------------------- */ /* End of Board Specific Stuff */ /* -------------------------------------------------------------------- */ /* -------------------------------------------------------------------- */ /* MPC8xx Specific Stuff - should go to MPC8xx directory */ /* -------------------------------------------------------------------- */ /* * Search this table to see if the windowsize is * supported... */ #define M8XX_SIZES_NO 32 static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = { 0x00000001, 0x00000002, 0x00000008, 0x00000004, 0x00000080, 0x00000040, 0x00000010, 0x00000020, 0x00008000, 0x00004000, 0x00001000, 0x00002000, 0x00000100, 0x00000200, 0x00000800, 0x00000400, 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x01000000, 0x02000000, 0xffffffff, 0x04000000, 0x00010000, 0x00020000, 0x00080000, 0x00040000, 0x00800000, 0x00400000, 0x00100000, 0x00200000 }; /* -------------------------------------------------------------------- */ #if ( ! defined(CONFIG_I82365) && ! defined(CONFIG_PXA_PCMCIA) ) static u_int m8xx_get_graycode(u_int size) { u_int k; for (k = 0; k < M8XX_SIZES_NO; k++) { if(m8xx_size_to_gray[k] == size) break; } if((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1)) k = -1; return k; } #endif /* CONFIG_I82365 */ /* -------------------------------------------------------------------- */ #if 0 static u_int m8xx_get_speed(u_int ns, u_int is_io) { u_int reg, clocks, psst, psl, psht; if(!ns) { /* * We get called with IO maps setup to 0ns * if not specified by the user. * They should be 255ns. */ if(is_io) ns = 255; else ns = 100; /* fast memory if 0 */ } /* * In PSST, PSL, PSHT fields we tell the controller * timing parameters in CLKOUT clock cycles. * CLKOUT is the same as GCLK2_50. */ /* how we want to adjust the timing - in percent */ #define ADJ 180 /* 80 % longer accesstime - to be sure */ clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; clocks = (clocks * ADJ) / (100*1000); if(clocks >= PCMCIA_BMT_LIMIT) { DEBUG(0, "Max access time limit reached\n"); clocks = PCMCIA_BMT_LIMIT-1; } psst = clocks / 7; /* setup time */ psht = clocks / 7; /* hold time */ psl = (clocks * 5) / 7; /* strobe length */ psst += clocks - (psst + psht + psl); reg = psst << 12; reg |= psl << 7; reg |= psht << 16; return reg; } #endif /* -------------------------------------------------------------------- */ #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_funcid (int func) { puts (indent); switch (func) { case CISTPL_FUNCID_MULTI: puts (" Multi-Function"); break; case CISTPL_FUNCID_MEMORY: puts (" Memory"); break; case CISTPL_FUNCID_SERIAL: puts (" Serial Port"); break; case CISTPL_FUNCID_PARALLEL: puts (" Parallel Port"); break; case CISTPL_FUNCID_FIXED: puts (" Fixed Disk"); break; case CISTPL_FUNCID_VIDEO: puts (" Video Adapter"); break; case CISTPL_FUNCID_NETWORK: puts (" Network Adapter"); break; case CISTPL_FUNCID_AIMS: puts (" AIMS Card"); break; case CISTPL_FUNCID_SCSI: puts (" SCSI Adapter"); break; default: puts (" Unknown"); break; } puts (" Card\n"); } #endif /* CONFIG_IDE_8xx_PCCARD */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_fixed (volatile uchar *p) { if (p == NULL) return; puts(indent); switch (*p) { case CISTPL_FUNCE_IDE_IFACE: { uchar iface = *(p+2); puts ((iface == CISTPL_IDE_INTERFACE) ? " IDE" : " unknown"); puts (" interface "); break; } case CISTPL_FUNCE_IDE_MASTER: case CISTPL_FUNCE_IDE_SLAVE: { uchar f1 = *(p+2); uchar f2 = *(p+4); puts ((f1 & CISTPL_IDE_SILICON) ? " [silicon]" : " [rotating]"); if (f1 & CISTPL_IDE_UNIQUE) puts (" [unique]"); puts ((f1 & CISTPL_IDE_DUAL) ? " [dual]" : " [single]"); if (f2 & CISTPL_IDE_HAS_SLEEP) puts (" [sleep]"); if (f2 & CISTPL_IDE_HAS_STANDBY) puts (" [standby]"); if (f2 & CISTPL_IDE_HAS_IDLE) puts (" [idle]"); if (f2 & CISTPL_IDE_LOW_POWER) puts (" [low power]"); if (f2 & CISTPL_IDE_REG_INHIBIT) puts (" [reg inhibit]"); if (f2 & CISTPL_IDE_HAS_INDEX) puts (" [index]"); if (f2 & CISTPL_IDE_IOIS16) puts (" [IOis16]"); break; } } putc ('\n'); } #endif /* CONFIG_IDE_8xx_PCCARD */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) #define MAX_IDENT_CHARS 64 #define MAX_IDENT_FIELDS 4 static uchar *known_cards[] = { (uchar *)"ARGOSY PnPIDE D5", NULL }; static int identify (volatile uchar *p) { uchar id_str[MAX_IDENT_CHARS]; uchar data; uchar *t; uchar **card; int i, done; if (p == NULL) return (0); /* Don't know */ t = id_str; done =0; for (i=0; i<=4 && !done; ++i, p+=2) { while ((data = *p) != '\0') { if (data == 0xFF) { done = 1; break; } *t++ = data; if (t == &id_str[MAX_IDENT_CHARS-1]) { done = 1; break; } p += 2; } if (!done) *t++ = ' '; } *t = '\0'; while (--t > id_str) { if (*t == ' ') *t = '\0'; else break; } puts ((char *)id_str); putc ('\n'); for (card=known_cards; *card; ++card) { debug ("## Compare against \"%s\"\n", *card); if (strcmp((char *)*card, (char *)id_str) == 0) { /* found! */ debug ("## CARD FOUND ##\n"); return (1); } } return (0); /* don't know */ } #endif /* CONFIG_IDE_8xx_PCCARD */ /* -------------------------------------------------------------------- */ /* NETTA board by Intracom S.A. */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_NETTA) /* some sane bit macros */ #define _BD(_b) (1U << (31-(_b))) #define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1)) #define _BW(_b) (1U << (15-(_b))) #define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1)) #define _BB(_b) (1U << (7-(_b))) #define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1)) #define _B(_b) _BD(_b) #define _BR(_l, _h) _BDR(_l, _h) #define PCMCIA_BOARD_MSG "NETTA" static const unsigned short vppd_masks[2] = { _BW(14), _BW(15) }; static void cfg_vppd(int no) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) return; mask = vppd_masks[no]; immap->im_ioport.iop_papar &= ~mask; immap->im_ioport.iop_paodr &= ~mask; immap->im_ioport.iop_padir |= mask; } static void set_vppd(int no, int what) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) return; mask = vppd_masks[no]; if (what) immap->im_ioport.iop_padat |= mask; else immap->im_ioport.iop_padat &= ~mask; } static const unsigned short vccd_masks[2] = { _BW(10), _BW(6) }; static void cfg_vccd(int no) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) return; mask = vccd_masks[no]; immap->im_ioport.iop_papar &= ~mask; immap->im_ioport.iop_paodr &= ~mask; immap->im_ioport.iop_padir |= mask; } static void set_vccd(int no, int what) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) return; mask = vccd_masks[no]; if (what) immap->im_ioport.iop_padat |= mask; else immap->im_ioport.iop_padat &= ~mask; } static const unsigned short oc_mask = _BW(8); static void cfg_oc(void) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask = oc_mask; immap->im_ioport.iop_pcdir &= ~mask; immap->im_ioport.iop_pcso &= ~mask; immap->im_ioport.iop_pcint &= ~mask; immap->im_ioport.iop_pcpar &= ~mask; } static int get_oc(void) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask = oc_mask; int what; what = !!(immap->im_ioport.iop_pcdat & mask);; return what; } static const unsigned short shdn_mask = _BW(12); static void cfg_shdn(void) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; mask = shdn_mask; immap->im_ioport.iop_papar &= ~mask; immap->im_ioport.iop_paodr &= ~mask; immap->im_ioport.iop_padir |= mask; } static void set_shdn(int what) { volatile immap_t *immap = (immap_t *)CFG_IMMR; unsigned short mask; mask = shdn_mask; if (what) immap->im_ioport.iop_padat |= mask; else immap->im_ioport.iop_padat &= ~mask; } static void cfg_ports (void); static int hardware_enable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; volatile sysconf8xx_t *sysp; uint reg, pipr, mask; int i; debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ cfg_ports (); /* 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 & (0x18000000 >> (slot << 4))) { printf (" No Card found\n"); return (1); } /* * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z */ mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); pipr = pcmp->pcmc_pipr; debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", pipr, (reg&PCMCIA_VS1(slot))?"n":"ff", (reg&PCMCIA_VS2(slot))?"n":"ff"); if ((pipr & mask) == mask) { set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ set_vccd(0, 0); set_vccd(1, 1); /* 5V on, 3V off */ puts (" 5.0V card found: "); } else { set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ set_vccd(0, 1); set_vccd(1, 0); /* 5V off, 3V on */ puts (" 3.3V card found: "); } /* Wait 500 ms; use this to check for over-current */ for (i=0; i<5000; ++i) { if (!get_oc()) { printf (" *** Overcurrent - Safety shutdown ***\n"); set_vccd(0, 0); set_vccd(1, 0); /* VAVPP => Hi-Z */ return (1); } udelay (100); } 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* 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; /* All voltages off / Hi-Z */ set_vppd(0, 1); set_vppd(1, 1); set_vccd(0, 1); set_vccd(1, 1); udelay(10000); return (0); } #endif /* CFG_CMD_PCMCIA */ static int voltage_set(int slot, int vcc, int vpp) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; ushort sreg; 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 *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 Port C pins for * 5 Volts Enable and 3 Volts enable, * Turn all power pins to Hi-Z */ debug ("PCMCIA power OFF\n"); cfg_ports (); /* Enables switch, but all in Hi-Z */ sreg = immap->im_ioport.iop_pcdat; set_vppd(0, 1); set_vppd(1, 1); switch(vcc) { case 0: break; /* Switch off */ case 33: set_vccd(0, 1); set_vccd(1, 0); break; case 50: set_vccd(0, 0); set_vccd(1, 1); 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"); 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); } static void cfg_ports (void) { volatile immap_t *immap; volatile cpm8xx_t *cp; immap = (immap_t *)CFG_IMMR; cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); cfg_vppd(0); cfg_vppd(1); /* VPPD0,VPPD1 VAVPP => Hi-Z */ cfg_vccd(0); cfg_vccd(1); /* 3V and 5V off */ cfg_shdn(); cfg_oc(); /* * Configure Port A for TPS2211 PC-Card Power-Interface Switch * * Switch off all voltages, assert shutdown */ set_vppd(0, 1); set_vppd(1, 1); set_vccd(0, 0); set_vccd(1, 0); set_shdn(1); udelay(100000); } #endif /* NETTA */ /* -------------------------------------------------------------------- */ /* UC100 Boards */ /* -------------------------------------------------------------------- */ #if defined(CONFIG_UC100) #define PCMCIA_BOARD_MSG "UC100" /* * Remark: don't turn off OE "__MY_PCMCIA_GCRX_CXOE" on UC100 board. * This leads to board-hangup! (sr, 8 Dez. 2004) */ static void cfg_ports (void); static int 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: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); udelay(10000); 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)); /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ cfg_ports (); /* * 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 */ 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 & (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) { puts (" 5.0V card found: "); } else { puts (" 3.3V card found: "); } /* switch VCC on */ immap->im_ioport.iop_padat |= 0x8000; /* power enable 3.3V */ udelay(10000); 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) static int hardware_disable(int slot) { volatile immap_t *immap; volatile cpm8xx_t *cp; volatile pcmconf8xx_t *pcmp; u_long reg; debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); immap = (immap_t *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); /* switch VCC off */ immap->im_ioport.iop_padat &= ~0x8000; /* power disable 3.3V */ /* Configure PCMCIA General Control Register */ debug ("Disable PCMCIA buffers and assert RESET\n"); reg = 0; reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ PCMCIA_PGCRX(_slot_) = reg; udelay(10000); return (0); } #endif /* CFG_CMD_PCMCIA */ static int 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 *)CFG_IMMR; pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_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 */ PCMCIA_PGCRX(_slot_) = reg; udelay(500); /* * Configure Port C pins for * 5 Volts Enable and 3 Volts enable, * Turn all power pins to Hi-Z */ debug ("PCMCIA power OFF\n"); cfg_ports (); /* Enables switch, but all in Hi-Z */ 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); } static void cfg_ports (void) { volatile immap_t *immap; immap = (immap_t *)CFG_IMMR; /* * Configure Port A for MAX1602 PC-Card Power-Interface Switch */ immap->im_ioport.iop_padat &= ~0x8000; /* set port x output to low */ immap->im_ioport.iop_padir |= 0x8000; /* enable port x as output */ debug ("Set Port A: PAR: %08x DIR: %08x DAT: %08x\n", immap->im_ioport.iop_papar, immap->im_ioport.iop_padir, immap->im_ioport.iop_padat); } #endif /* UC100 */ /* -------------------------------------------------------------------- */ #endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */ /**************************************************/ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) U_BOOT_CMD( pinit, 2, 1, do_pinit, "pinit - PCMCIA sub-system\n", "on - power on PCMCIA socket\n" "pinit off - power off PCMCIA socket\n" ); #endif