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-rw-r--r--board/netta/pcmcia.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/board/netta/pcmcia.c b/board/netta/pcmcia.c
deleted file mode 100644
index 3fa1925..0000000
--- a/board/netta/pcmcia.c
+++ /dev/null
@@ -1,346 +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
-
-/* 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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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 *)CONFIG_SYS_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)
-{
- 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);
-}
-
-int pcmcia_hardware_enable(int slot)
-{
- volatile pcmconf8xx_t *pcmp;
- uint reg, pipr, mask;
- int i;
-
- debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
-
- udelay(10000);
-
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
-
- /* 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 defined(CONFIG_CMD_PCMCIA)
-int pcmcia_hardware_disable(int slot)
-{
- u_long reg;
-
- debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
-
- /* 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
-
-
-int pcmcia_voltage_set(int slot, int vcc, int vpp)
-{
- 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);
-
- 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 */
-
- 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);
-}
-
-#endif /* CONFIG_PCMCIA */
generated by cgit v1.1 at 2024-12-12 01:01:36 +0000