mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 01:38:22 +00:00
9d40799551
Notes: - Board-dependend code for RPXLITE and RPXCLASSIC-based boards placed to the drivers/rpx_pmcia.c file to avoid duplication. Same for TQM8xx-based boards (drivers/tqm8xx_pmcia.c). - drivers/i82365.c has been split into two parts located at board/atc/ti113x.c and board/cpc45/pd67290.c (ATC and CPC45 are the only boards using CONFIG_82365). - Changes were tested for clean build and *very* *few* boards.
328 lines
7.7 KiB
C
328 lines
7.7 KiB
C
/* -------------------------------------------------------------------- */
|
|
/* TQM8xxL Boards by TQ Components */
|
|
/* SC8xx Boards by SinoVee Microsystems */
|
|
/* -------------------------------------------------------------------- */
|
|
#include <common.h>
|
|
#include <mpc8xx.h>
|
|
#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: ");
|
|
}
|
|
|
|
#if 0
|
|
/* VCC switch error flag, PCMCIA slot INPACK_ pin */
|
|
cp->cp_pbdir &= ~(0x0020 | 0x0010);
|
|
cp->cp_pbpar &= ~(0x0020 | 0x0010);
|
|
udelay(500000);
|
|
#endif
|
|
|
|
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)
|
|
{
|
|
volatile pcmconf8xx_t *pcmp =
|
|
(pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
|
|
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
|
|
volatile pcmconf8xx_t *pcmp =
|
|
(pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia));
|
|
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);
|
|
|
|
/*
|
|
* 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) */
|