summaryrefslogtreecommitdiffstats
path: root/drivers/tqm8xx_pcmcia.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/tqm8xx_pcmcia.c')
-rw-r--r--drivers/tqm8xx_pcmcia.c324
1 files changed, 0 insertions, 324 deletions
diff --git a/drivers/tqm8xx_pcmcia.c b/drivers/tqm8xx_pcmcia.c
deleted file mode 100644
index 561f31b742..0000000000
--- a/drivers/tqm8xx_pcmcia.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/* -------------------------------------------------------------------- */
-/* TQM8xxL Boards by TQ Components */
-/* SC8xx Boards by SinoVee Microsystems */
-/* -------------------------------------------------------------------- */
-#include <common.h>
-#ifdef CONFIG_8xx
-#include <mpc8xx.h>
-#endif
-#include <pcmcia.h>
-
-#undef CONFIG_PCMCIA
-
-#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
-#define CONFIG_PCMCIA
-#endif
-
-#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
-#define CONFIG_PCMCIA
-#endif
-
-#if defined(CONFIG_PCMCIA) \
- && (defined(CONFIG_TQM8xxL) || defined(CONFIG_SVM_SC8xx))
-
-#if defined(CONFIG_VIRTLAB2)
-#define PCMCIA_BOARD_MSG "Virtlab2"
-#elif defined(CONFIG_TQM8xxL)
-#define PCMCIA_BOARD_MSG "TQM8xxL"
-#elif defined(CONFIG_SVM_SC8xx)
-#define PCMCIA_BOARD_MSG "SC8xx"
-#endif
-
-#if defined(CONFIG_NSCU)
-
-#define power_config(slot) do {} while (0)
-#define power_off(slot) do {} while (0)
-#define power_on_5_0(slot) do {} while (0)
-#define power_on_3_3(slot) do {} while (0)
-
-#elif defined(CONFIG_HMI10)
-
-static inline void power_config(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- /*
- * Configure Port B pins for
- * 5 Volts Enable and 3 Volts enable
- */
- immap->im_cpm.cp_pbpar &= ~(0x00000300);
-}
-
-static inline void power_off(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- /* remove all power */
- immap->im_cpm.cp_pbdat |= 0x00000300;
-}
-
-static inline void power_on_5_0(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- immap->im_cpm.cp_pbdat &= ~(0x0000100);
- immap->im_cpm.cp_pbdir |= 0x00000300;
-}
-
-static inline void power_on_3_3(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- immap->im_cpm.cp_pbdat &= ~(0x0000200);
- immap->im_cpm.cp_pbdir |= 0x00000300;
-}
-
-#elif defined(CONFIG_VIRTLAB2)
-
-#define power_config(slot) do {} while (0)
-static inline void power_off(int slot)
-{
- volatile unsigned char *powerctl =
- (volatile unsigned char *)PCMCIA_CTRL;
- *powerctl = 0;
-}
-
-static inline void power_on_5_0(int slot)
-{
- volatile unsigned char *powerctl =
- (volatile unsigned char *)PCMCIA_CTRL;
- *powerctl = 2; /* Enable 5V Vccout */
-}
-
-static inline void power_on_3_3(int slot)
-{
- volatile unsigned char *powerctl =
- (volatile unsigned char *)PCMCIA_CTRL;
- *powerctl = 1; /* Enable 3.3V Vccout */
-}
-
-#else
-
-static inline void power_config(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- /*
- * 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);
-}
-
-static inline void power_off(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- immap->im_ioport.iop_pcdat &= ~(0x0002 | 0x0004);
-}
-
-static inline void power_on_5_0(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- immap->im_ioport.iop_pcdat |= 0x0004;
- immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004);
-}
-
-static inline void power_on_3_3(int slot)
-{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- immap->im_ioport.iop_pcdat |= 0x0002;
- immap->im_ioport.iop_pcdir |= (0x0002 | 0x0004);
-}
-
-#endif
-
-#ifdef CONFIG_HMI10
-static inline int check_card_is_absent(int slot)
-{
- volatile pcmconf8xx_t *pcmp =
- (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
- return pcmp->pcmc_pipr & (0x10000000 >> (slot << 4));
-}
-#else
-static inline int check_card_is_absent(int slot)
-{
- volatile pcmconf8xx_t *pcmp =
- (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
- return pcmp->pcmc_pipr & (0x18000000 >> (slot << 4));
-}
-#endif
-
-#ifdef NSCU_OE_INV
-#define NSCU_GCRX_CXOE 0
-#else
-#define NSCU_GCRX_CXOE __MY_PCMCIA_GCRX_CXOE
-#endif
-
-int pcmcia_hardware_enable(int slot)
-{
- volatile pcmconf8xx_t *pcmp =
- (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
- volatile sysconf8xx_t *sysp =
- (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf));
- uint reg, mask;
-
- debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
-
- udelay(10000);
-
- /*
- * 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 |= NSCU_GCRX_CXOE;
-
- PCMCIA_PGCRX(slot) = reg;
- udelay(500);
-
- power_config(slot);
- power_off(slot);
-
- /*
- * 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 (check_card_is_absent(slot)) {
- 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) {
- power_on_5_0(slot);
- puts (" 5.0V card found: ");
- } else {
- power_on_3_3(slot);
- puts (" 3.3V card found: ");
- }
-
-
- udelay(1000);
- 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 */
- reg &= ~NSCU_GCRX_CXOE;
-
- 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)
-int pcmcia_hardware_disable(int slot)
-{
- u_long reg;
-
- debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot);
-
-
- /* remove all power */
- power_off(slot);
-
- debug ("Disable PCMCIA buffers and assert RESET\n");
- reg = 0;
- reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */
- reg |= NSCU_GCRX_CXOE; /* active low */
-
- PCMCIA_PGCRX(slot) = reg;
-
- udelay(10000);
-
- return (0);
-}
-#endif /* CFG_CMD_PCMCIA */
-
-int pcmcia_voltage_set(int slot, int vcc, int vpp)
-{
-#ifndef CONFIG_NSCU
- u_long reg;
-# ifdef DEBUG
- volatile pcmconf8xx_t *pcmp =
- (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
-# endif
-
- 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);
-
- /*
- * 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 */
- reg |= NSCU_GCRX_CXOE; /* active low */
-
- PCMCIA_PGCRX(slot) = reg;
- udelay(500);
-
- debug ("PCMCIA power OFF\n");
- power_config(slot);
- power_off(slot);
-
- switch(vcc) {
- case 0: break;
- case 33: power_on_3_3(slot); break;
- case 50: power_on_5_0(slot); 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 (vcc)
- debug("PCMCIA powered at %sV\n", (vcc == 50) ? "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 */
- reg &= ~NSCU_GCRX_CXOE; /* active low */
-
- PCMCIA_PGCRX(slot) = reg;
- udelay(500);
-
- debug("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", slot+'A');
-#endif /* CONFIG_NSCU */
- return (0);
-}
-
-#endif /* CONFIG_PCMCIA && (CONFIG_TQM8xxL || CONFIG_SVM_SC8xx) */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-27 16:06:03 +0000