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authorWolfgang Denk <wd@denx.de>2012-10-24 02:36:15 +0000
committerWolfgang Denk <wd@denx.de>2012-10-28 20:17:25 +0100
commit1b0757eceddf037aad99ab59217a3a5c215e15d1 (patch)
tree7d6c6fae6bbf1b5026aeb8a5fa79f6a4ebfc94dd /board/c2mon/pcmcia.c
parent5bb3505fa867ded03cbee83f7722ab5182930637 (diff)
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PPC: remove dead boards (AMX860, c2mon, ETX094, IAD210, LANTEC, SCM)
These boards have long reached EOL, and there has been no indication of any active users of such hardware for years. Get rid of the dead weight. Signed-off-by: Wolfgang Denk <wd@denx.de> Cc: Wolfgang Grandegger <wg@denx.de>
Diffstat (limited to 'board/c2mon/pcmcia.c')
-rw-r--r--board/c2mon/pcmcia.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/board/c2mon/pcmcia.c b/board/c2mon/pcmcia.c
deleted file mode 100644
index 2267829..0000000
--- a/board/c2mon/pcmcia.c
+++ /dev/null
@@ -1,282 +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 "C2MON"
-
-static void cfg_ports (void)
-{
- volatile immap_t *immap;
- volatile cpm8xx_t *cp;
- ushort sreg;
-
- immap = (immap_t *)CONFIG_SYS_IMMR;
- cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_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);
-}
-
-int pcmcia_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 *)CONFIG_SYS_IMMR;
- sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf));
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
- cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_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 defined(CONFIG_CMD_PCMCIA)
-int pcmcia_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 *)CONFIG_SYS_IMMR;
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_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
-
-
-int pcmcia_voltage_set(int slot, int vcc, int vpp)
-{
- volatile immap_t *immap;
- 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 *)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 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);
-}
-
-#endif /* CONFIG_PCMCIA */