diff options
Diffstat (limited to 'common/cmd_pcmcia.c')
| -rw-r--r-- | common/cmd_pcmcia.c | 139 |
1 files changed, 130 insertions, 9 deletions
diff --git a/common/cmd_pcmcia.c b/common/cmd_pcmcia.c index b7e57bf..47632e7 100644 --- a/common/cmd_pcmcia.c +++ b/common/cmd_pcmcia.c @@ -63,6 +63,9 @@ #if defined(CONFIG_LWMON) #include <i2c.h> #endif +#ifdef CONFIG_PXA_PCMCIA +#include <asm/arch/pxa-regs.h> +#endif #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) || \ ((CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)) @@ -86,7 +89,7 @@ static int hardware_disable(int slot); static int hardware_enable (int slot); static int voltage_set(int slot, int vcc, int vpp); -#ifndef CONFIG_I82365 +#if (! defined(CONFIG_I82365)) && (! defined(CONFIG_PXA_PCMCIA)) static u_int m8xx_get_graycode(u_int size); #endif /* CONFIG_I82365 */ #if 0 @@ -95,6 +98,8 @@ static u_int m8xx_get_speed(u_int ns, u_int is_io); /* -------------------------------------------------------------------- */ +#ifndef CONFIG_PXA_PCMCIA + /* look up table for pgcrx registers */ static u_int *pcmcia_pgcrx[2] = { @@ -106,13 +111,15 @@ static u_int *pcmcia_pgcrx[2] = { #endif /* CONFIG_I82365 */ -#ifdef CONFIG_IDE_8xx_PCCARD +#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_funcid (int func); static void print_fixed (volatile uchar *p); static int identify (volatile uchar *p); static int check_ide_device (int slot); #endif /* CONFIG_IDE_8xx_PCCARD */ +#endif + const char *indent = "\t "; /* -------------------------------------------------------------------- */ @@ -151,8 +158,7 @@ int pcmcia_on (void) rc = i82365_init(); - if (rc == 0) - { + if (rc == 0) { rc = check_ide_device(0); } @@ -160,6 +166,8 @@ int pcmcia_on (void) } #else +#ifndef CONFIG_PXA_PCMCIA + #ifdef CONFIG_HMI10 # define HMI10_FRAM_TIMING (PCMCIA_SHT(2) | PCMCIA_SST(2) | PCMCIA_SL(4)) #endif @@ -280,8 +288,108 @@ int pcmcia_on (void) } return (rc); } + +#endif / CONFIG_PXA_PCMCIA */ + #endif /* CONFIG_I82365 */ +#ifdef CONFIG_PXA_PCMCIA + +static int hardware_enable (int slot) +{ + return 0; /* No hardware to enable */ +} + +static int hardware_disable(int slot) +{ + return 0; /* No hardware to disable */ +} + +static int voltage_set(int slot, int vcc, int vpp) +{ + return 0; +} + +void msWait(unsigned msVal) +{ + udelay(msVal*1000); +} + +int pcmcia_on (void) +{ + unsigned int reg_arr[] = { + 0x48000028, CFG_MCMEM0_VAL, + 0x4800002c, CFG_MCMEM1_VAL, + 0x48000030, CFG_MCATT0_VAL, + 0x48000034, CFG_MCATT1_VAL, + 0x48000038, CFG_MCIO0_VAL, + 0x4800003c, CFG_MCIO1_VAL, + + 0, 0 + }; + int i, rc; + +#ifdef CONFIG_EXADRON1 + int cardDetect; + volatile unsigned int *v_pBCRReg = + (volatile unsigned int *) 0x08000000; +#endif + + debug ("%s\n", __FUNCTION__); + + i = 0; + while (reg_arr[i]) + *((volatile unsigned int *) reg_arr[i++]) |= reg_arr[i++]; + udelay (1000); + + debug ("%s: programmed mem controller \n", __FUNCTION__); + +#ifdef CONFIG_EXADRON1 + +/*define useful BCR masks */ +#define BCR_CF_INIT_VAL 0x00007230 +#define BCR_CF_PWRON_BUSOFF_RESETOFF_VAL 0x00007231 +#define BCR_CF_PWRON_BUSOFF_RESETON_VAL 0x00007233 +#define BCR_CF_PWRON_BUSON_RESETON_VAL 0x00007213 +#define BCR_CF_PWRON_BUSON_RESETOFF_VAL 0x00007211 + + /* we see from the GPIO bit if the card is present */ + cardDetect = !(GPLR0 & GPIO_bit (14)); + + if (cardDetect) { + printf ("No PCMCIA card found!\n"); + } + + /* reset the card via the BCR line */ + *v_pBCRReg = (unsigned) BCR_CF_INIT_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETOFF_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSOFF_RESETON_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETON_VAL; + msWait (500); + + *v_pBCRReg = (unsigned) BCR_CF_PWRON_BUSON_RESETOFF_VAL; + msWait (1500); + + /* enable address bus */ + GPCR1 = 0x01; + /* and the first CF slot */ + MECR = 0x00000002; + +#endif /* EXADRON 1 */ + + rc = check_ide_device (0); /* use just slot 0 */ + + return rc; +} + +#endif /* CONFIG_PXA_PCMCIA */ + /* -------------------------------------------------------------------- */ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) @@ -296,6 +404,9 @@ static int pcmcia_off (void) return 0; } #else + +#ifndef CONFIG_PXA_PCMCIA + static int pcmcia_off (void) { int i; @@ -327,13 +438,23 @@ static int pcmcia_off (void) hardware_disable(_slot_); return 0; } + +#endif /* CONFIG_PXA_PCMCIA */ + #endif /* CONFIG_I82365 */ +#ifdef CONFIG_PXA_PCMCIA +static int pcmcia_off (void) +{ + return 0; +} +#endif + #endif /* CFG_CMD_PCMCIA */ /* -------------------------------------------------------------------- */ -#ifdef CONFIG_IDE_8xx_PCCARD +#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) #define MAX_TUPEL_SZ 512 #define MAX_FEATURES 4 @@ -2370,7 +2491,7 @@ static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = /* -------------------------------------------------------------------- */ -#ifndef CONFIG_I82365 +#if ( ! defined(CONFIG_I82365) && ! defined(CONFIG_PXA_PCMCIA) ) static u_int m8xx_get_graycode(u_int size) { @@ -2444,7 +2565,7 @@ static u_int m8xx_get_speed(u_int ns, u_int is_io) /* -------------------------------------------------------------------- */ -#ifdef CONFIG_IDE_8xx_PCCARD +#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_funcid (int func) { puts (indent); @@ -2486,7 +2607,7 @@ static void print_funcid (int func) /* -------------------------------------------------------------------- */ -#ifdef CONFIG_IDE_8xx_PCCARD +#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) static void print_fixed (volatile uchar *p) { if (p == NULL) @@ -2544,7 +2665,7 @@ static void print_fixed (volatile uchar *p) /* -------------------------------------------------------------------- */ -#ifdef CONFIG_IDE_8xx_PCCARD +#if defined(CONFIG_IDE_8xx_PCCARD) || defined(CONFIG_PXA_PCMCIA) #define MAX_IDENT_CHARS 64 #define MAX_IDENT_FIELDS 4 |