#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;
+
+ PCMCIA_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 */
+ PCMCIA_PGCRX(_slot_) = 0;
+
+ /*
+ * Disable PCMCIA buffers (isolate the interface)
+ * and assert RESET signal
+ */
+ PCMCIA_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);
+
+ /*
+ * Make sure there is a card in the slot, then configure the interface.
+ */
+ udelay(10000);
+ PCMCIA_DEBUG ("[%d] %s: PIPR(%p)=0x%x\n",
+ __LINE__,__FUNCTION__,
+ &(pcmp->pcmc_pipr),pcmp->pcmc_pipr);
+ if (pcmp->pcmc_pipr & 0x00001800) {
+ 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;
+ PCMCIA_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: ");
+ }
+
+ PCMCIA_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);
+ }
+
+ PCMCIA_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 :-( */
+
+ PCMCIA_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;
+
+ PCMCIA_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 */
+ PCMCIA_PGCRX(_slot_) = 0;
+
+ PCMCIA_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(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;
+
+ PCMCIA_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
+ */
+ PCMCIA_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
+ */
+ PCMCIA_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 */
+
+ PCMCIA_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:
+ PCMCIA_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);
+
+ PCMCIA_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;
+
+ PCMCIA_DEBUG ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n",
+ cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat);
+}
+
+#endif /* ICU862 */
+
+
/* ---------------------------------------------------------------------------- */
/* End of Board Specific Stuff */
/* ---------------------------------------------------------------------------- */
#undef CONFIG_WATCHDOG /* watchdog disabled */
+#define CONFIG_STATUS_LED 1 /* Status LED enabled */
+
#define CONFIG_BOOTP_MASK (CONFIG_BOOTP_DEFAULT | CONFIG_BOOTP_BOOTFILESIZE)
#undef CONFIG_SCC1_ENET /* disable SCC1 ethernet */
#undef CFG_DISCOVER_PHY
#endif
+#define CONFIG_MAC_PARTITION
+#define CONFIG_DOS_PARTITION
+
+#define CONFIG_RTC_MPC8xx /* use internal RTC of MPC8xx */
+
+#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
+ CFG_CMD_ASKENV | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_IDE | \
+ CFG_CMD_DATE )
+
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
#include <cmd_confdefs.h>
/* +0x09C4 => DRQP = 10 (IDMA requests have lowest priority) */
#define CFG_RCCR 0x0020
+/*-----------------------------------------------------------------------
+ * PCMCIA stuff
+ *-----------------------------------------------------------------------
+ */
+#define CFG_PCMCIA_MEM_ADDR (0xE0000000)
+#define CFG_PCMCIA_MEM_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_DMA_ADDR (0xE4000000)
+#define CFG_PCMCIA_DMA_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_ATTRB_ADDR (0xE8000000)
+#define CFG_PCMCIA_ATTRB_SIZE ( 64 << 20 )
+#define CFG_PCMCIA_IO_ADDR (0xEC000000)
+#define CFG_PCMCIA_IO_SIZE ( 64 << 20 )
+
+/*-----------------------------------------------------------------------
+ * PCMCIA Power Switch
+ *
+ * The ICU862 uses a TPS2205 PC-Card Power-Interface Switch to
+ * control the voltages on the PCMCIA slot which is connected to Port B
+ *-----------------------------------------------------------------------
+ */
+ /* Output pins */
+#define TPS2205_VCC5 0x00008000 /* PB.16: 5V Voltage Control */
+#define TPS2205_VCC3 0x00004000 /* PB.17: 3V Voltage Control */
+#define TPS2205_VPP_PGM 0x00002000 /* PB.18: PGM Voltage Control */
+#define TPS2205_VPP_VCC 0x00001000 /* PB.19: VPP Voltage Control */
+#define TPS2205_SHDN 0x00000200 /* PB.22: Shutdown */
+#define TPS2205_OUTPUTS ( TPS2205_VCC5 | TPS2205_VCC3 | \
+ TPS2205_VPP_PGM | TPS2205_VPP_VCC | \
+ TPS2205_SHDN)
+
+ /* Input pins */
+#define TPS2205_OC 0x00000100 /* PB.23: Over-Current */
+#define TPS2205_INPUTS ( TPS2205_OC )
+
+/*-----------------------------------------------------------------------
+ * IDE/ATA stuff (Supports IDE harddisk on PCMCIA Adapter)
+ *-----------------------------------------------------------------------
+ */
+
+#define CONFIG_IDE_PCCARD 1 /* Use IDE with PC Card Adapter */
+
+#undef CONFIG_IDE_PCMCIA /* Direct IDE not supported */
+#undef CONFIG_IDE_LED /* LED for ide not supported */
+#undef CONFIG_IDE_RESET /* reset for ide not supported */
+
+#define CFG_IDE_MAXBUS 1 /* max. 1 IDE bus */
+#define CFG_IDE_MAXDEVICE 1 /* max. 1 drive per IDE bus */
+
+#define CFG_ATA_IDE0_OFFSET 0x0000
+
+#define CFG_ATA_BASE_ADDR CFG_PCMCIA_MEM_ADDR
+
+/* Offset for data I/O */
+#define CFG_ATA_DATA_OFFSET (CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for normal register accesses */
+#define CFG_ATA_REG_OFFSET (2 * CFG_PCMCIA_MEM_SIZE + 0x320)
+
+/* Offset for alternate registers */
+#define CFG_ATA_ALT_OFFSET 0x0100
+
+
/*-----------------------------------------------------------------------
*
*-----------------------------------------------------------------------
projects / users / rw / ppcboot.git / commitdiff