diff options
Diffstat (limited to 'board/kup/common/pcmcia.c')
| -rw-r--r-- | board/kup/common/pcmcia.c | 221 |
1 files changed, 0 insertions, 221 deletions
diff --git a/board/kup/common/pcmcia.c b/board/kup/common/pcmcia.c deleted file mode 100644 index 61ba586e17..0000000000 --- a/board/kup/common/pcmcia.c +++ /dev/null @@ -1,221 +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 "KUP" - -#define KUP4K_PCMCIA_B_3V3 (0x00020000) - -int pcmcia_hardware_enable(int slot) -{ - 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); - - 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 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 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)); - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_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 - - -int pcmcia_voltage_set(int slot, int vcc, int vpp) -{ - 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; - - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_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 /* CONFIG_PCMCIA */ |