diff options
Diffstat (limited to 'drivers/pcmcia/mpc8xx_pcmcia.c')
| -rw-r--r-- | drivers/pcmcia/mpc8xx_pcmcia.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/drivers/pcmcia/mpc8xx_pcmcia.c b/drivers/pcmcia/mpc8xx_pcmcia.c deleted file mode 100644 index dae5560f8c..0000000000 --- a/drivers/pcmcia/mpc8xx_pcmcia.c +++ /dev/null @@ -1,258 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <pcmcia.h> -#include <linux/compiler.h> - -#undef CONFIG_PCMCIA - -#if defined(CONFIG_CMD_PCMCIA) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_PCMCIA) - -#if defined(CONFIG_IDE_8xx_PCCARD) -extern int check_ide_device (int slot); -#endif - -extern int pcmcia_hardware_enable (int slot); -extern int pcmcia_voltage_set(int slot, int vcc, int vpp); - -#if defined(CONFIG_CMD_PCMCIA) -extern int pcmcia_hardware_disable(int slot); -#endif - -static u_int m8xx_get_graycode(u_int size); -#if 0 /* Disabled */ -static u_int m8xx_get_speed(u_int ns, u_int is_io); -#endif - -/* look up table for pgcrx registers */ -u_int *pcmcia_pgcrx[2] = { - &((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcra, - &((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pgcrb, -}; - -/* - * Search this table to see if the windowsize is - * supported... - */ - -#define M8XX_SIZES_NO 32 - -static const u_int m8xx_size_to_gray[M8XX_SIZES_NO] = -{ 0x00000001, 0x00000002, 0x00000008, 0x00000004, - 0x00000080, 0x00000040, 0x00000010, 0x00000020, - 0x00008000, 0x00004000, 0x00001000, 0x00002000, - 0x00000100, 0x00000200, 0x00000800, 0x00000400, - - 0x0fffffff, 0xffffffff, 0xffffffff, 0xffffffff, - 0x01000000, 0x02000000, 0xffffffff, 0x04000000, - 0x00010000, 0x00020000, 0x00080000, 0x00040000, - 0x00800000, 0x00400000, 0x00100000, 0x00200000 }; - - -/* -------------------------------------------------------------------- */ - -#define CONFIG_SYS_PCMCIA_TIMING ( PCMCIA_SHT(2) \ - | PCMCIA_SST(4) \ - | PCMCIA_SL(9)) - -/* -------------------------------------------------------------------- */ - -int pcmcia_on (void) -{ - u_long reg, base; - pcmcia_win_t *win; - u_int rc, slot; - __maybe_unused u_int slotbit; - int i; - - debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n"); - - /* intialize the fixed memory windows */ - win = (pcmcia_win_t *)(&((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pbr0); - base = CONFIG_SYS_PCMCIA_MEM_ADDR; - - if((reg = m8xx_get_graycode(CONFIG_SYS_PCMCIA_MEM_SIZE)) == -1) { - printf ("Cannot set window size to 0x%08x\n", - CONFIG_SYS_PCMCIA_MEM_SIZE); - return (1); - } - - slotbit = PCMCIA_SLOT_x; - for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { - win->br = base; - -#if (PCMCIA_SOCKETS_NO == 2) - if (i == 4) /* Another slot starting from win 4 */ - slotbit = (slotbit ? PCMCIA_PSLOT_A : PCMCIA_PSLOT_B); -#endif - switch (i) { -#ifdef CONFIG_IDE_8xx_PCCARD - case 4: - case 0: { /* map attribute memory */ - win->or = ( PCMCIA_BSIZE_64M - | PCMCIA_PPS_8 - | PCMCIA_PRS_ATTR - | slotbit - | PCMCIA_PV - | CONFIG_SYS_PCMCIA_TIMING ); - break; - } - case 5: - case 1: { /* map I/O window for data reg */ - win->or = ( PCMCIA_BSIZE_1K - | PCMCIA_PPS_16 - | PCMCIA_PRS_IO - | slotbit - | PCMCIA_PV - | CONFIG_SYS_PCMCIA_TIMING ); - break; - } - case 6: - case 2: { /* map I/O window for cmd/ctrl reg block */ - win->or = ( PCMCIA_BSIZE_1K - | PCMCIA_PPS_8 - | PCMCIA_PRS_IO - | slotbit - | PCMCIA_PV - | CONFIG_SYS_PCMCIA_TIMING ); - break; - } -#endif /* CONFIG_IDE_8xx_PCCARD */ - default: /* set to not valid */ - win->or = 0; - break; - } - - debug ("MemWin %d: PBR 0x%08lX POR %08lX\n", - i, win->br, win->or); - base += CONFIG_SYS_PCMCIA_MEM_SIZE; - ++win; - } - - for (i=0, rc=0, slot=_slot_; i<PCMCIA_SOCKETS_NO; i++, slot = !slot) { - /* turn off voltage */ - if ((rc = pcmcia_voltage_set(slot, 0, 0))) - continue; - - /* Enable external hardware */ - if ((rc = pcmcia_hardware_enable(slot))) - continue; - -#ifdef CONFIG_IDE_8xx_PCCARD - if ((rc = check_ide_device(i))) - continue; -#endif - } - return rc; -} - -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_off (void) -{ - int i; - pcmcia_win_t *win; - - printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n"); - - /* clear interrupt state, and disable interrupts */ - ((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pscr = PCMCIA_MASK(_slot_); - ((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* turn off interrupt and disable CxOE */ - PCMCIA_PGCRX(_slot_) = __MY_PCMCIA_GCRX_CXOE; - - /* turn off memory windows */ - win = (pcmcia_win_t *)(&((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia.pcmc_pbr0); - - for (i=0; i<PCMCIA_MEM_WIN_NO; ++i) { - /* disable memory window */ - win->or = 0; - ++win; - } - - /* turn off voltage */ - pcmcia_voltage_set(_slot_, 0, 0); - - /* disable external hardware */ - printf ("Shutdown and Poweroff " PCMCIA_SLOT_MSG "\n"); - pcmcia_hardware_disable(_slot_); - return 0; -} -#endif - - -static u_int m8xx_get_graycode(u_int size) -{ - u_int k; - - for (k = 0; k < M8XX_SIZES_NO; k++) { - if(m8xx_size_to_gray[k] == size) - break; - } - - if((k == M8XX_SIZES_NO) || (m8xx_size_to_gray[k] == -1)) - k = -1; - - return k; -} - -#if 0 - -static u_int m8xx_get_speed(u_int ns, u_int is_io) -{ - u_int reg, clocks, psst, psl, psht; - - if(!ns) { - - /* - * We get called with IO maps setup to 0ns - * if not specified by the user. - * They should be 255ns. - */ - - if(is_io) - ns = 255; - else - ns = 100; /* fast memory if 0 */ - } - - /* - * In PSST, PSL, PSHT fields we tell the controller - * timing parameters in CLKOUT clock cycles. - * CLKOUT is the same as GCLK2_50. - */ - - /* how we want to adjust the timing - in percent */ - -#define ADJ 180 /* 80 % longer accesstime - to be sure */ - - clocks = ((M8XX_BUSFREQ / 1000) * ns) / 1000; - clocks = (clocks * ADJ) / (100*1000); - - if(clocks >= PCMCIA_BMT_LIMIT) { - DEBUG(0, "Max access time limit reached\n"); - clocks = PCMCIA_BMT_LIMIT-1; - } - - psst = clocks / 7; /* setup time */ - psht = clocks / 7; /* hold time */ - psl = (clocks * 5) / 7; /* strobe length */ - - psst += clocks - (psst + psht + psl); - - reg = psst << 12; - reg |= psl << 7; - reg |= psht << 16; - - return reg; -} -#endif /* 0 */ - -#endif /* CONFIG_PCMCIA */ |