diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_pcmcia.c | 364 | ||||
| -rw-r--r-- | common/command.c | 282 | ||||
| -rw-r--r-- | common/env_common.c | 41 | ||||
| -rw-r--r-- | common/main.c | 12 |
4 files changed, 699 insertions, 0 deletions
diff --git a/common/cmd_pcmcia.c b/common/cmd_pcmcia.c index 963f98f..b7e57bf 100644 --- a/common/cmd_pcmcia.c +++ b/common/cmd_pcmcia.c @@ -2607,6 +2607,370 @@ static int identify (volatile uchar *p) #endif /* CONFIG_IDE_8xx_PCCARD */ /* -------------------------------------------------------------------- */ +/* NETTA board by Intracom S.A. */ +/* -------------------------------------------------------------------- */ + +#if defined(CONFIG_NETTA) + +/* some sane bit macros */ +#define _BD(_b) (1U << (31-(_b))) +#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1)) + +#define _BW(_b) (1U << (15-(_b))) +#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1)) + +#define _BB(_b) (1U << (7-(_b))) +#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1)) + +#define _B(_b) _BD(_b) +#define _BR(_l, _h) _BDR(_l, _h) + +#define PCMCIA_BOARD_MSG "NETTA" + +static const unsigned short vppd_masks[2] = { _BW(14), _BW(15) }; + +static void cfg_vppd(int no) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) + return; + + mask = vppd_masks[no]; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_vppd(int no, int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vppd_masks)/sizeof(vppd_masks[0])) + return; + + mask = vppd_masks[no]; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static const unsigned short vccd_masks[2] = { _BW(10), _BW(6) }; + +static void cfg_vccd(int no) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) + return; + + mask = vccd_masks[no]; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_vccd(int no, int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + if ((unsigned int)no >= sizeof(vccd_masks)/sizeof(vccd_masks[0])) + return; + + mask = vccd_masks[no]; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static const unsigned short oc_mask = _BW(8); + +static void cfg_oc(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask = oc_mask; + + immap->im_ioport.iop_pcdir &= ~mask; + immap->im_ioport.iop_pcso &= ~mask; + immap->im_ioport.iop_pcint &= ~mask; + immap->im_ioport.iop_pcpar &= ~mask; +} + +static int get_oc(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask = oc_mask; + int what; + + what = !!(immap->im_ioport.iop_pcdat & mask);; + return what; +} + +static const unsigned short shdn_mask = _BW(12); + +static void cfg_shdn(void) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + mask = shdn_mask; + + immap->im_ioport.iop_papar &= ~mask; + immap->im_ioport.iop_paodr &= ~mask; + immap->im_ioport.iop_padir |= mask; +} + +static void set_shdn(int what) +{ + volatile immap_t *immap = (immap_t *)CFG_IMMR; + unsigned short mask; + + mask = shdn_mask; + + if (what) + immap->im_ioport.iop_padat |= mask; + else + immap->im_ioport.iop_padat &= ~mask; +} + +static void cfg_ports (void); + +static int hardware_enable(int slot) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + volatile sysconf8xx_t *sysp; + uint reg, pipr, mask; + int i; + + debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + udelay(10000); + + immap = (immap_t *)CFG_IMMR; + sysp = (sysconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_siu_conf)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + /* Configure Ports for TPS2211A PC-Card Power-Interface Switch */ + cfg_ports (); + + /* 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(500); + + /* + * 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: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z + */ + mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); + pipr = pcmp->pcmc_pipr; + debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", + pipr, + (reg&PCMCIA_VS1(slot))?"n":"ff", + (reg&PCMCIA_VS2(slot))?"n":"ff"); + + if ((pipr & mask) == mask) { + set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ + set_vccd(0, 0); set_vccd(1, 1); /* 5V on, 3V off */ + puts (" 5.0V card found: "); + } else { + set_vppd(0, 1); set_vppd(1, 1); /* VAVPP => Hi-Z */ + set_vccd(0, 1); set_vccd(1, 0); /* 5V off, 3V on */ + puts (" 3.3V card found: "); + } + + /* Wait 500 ms; use this to check for over-current */ + for (i=0; i<5000; ++i) { + if (!get_oc()) { + printf (" *** Overcurrent - Safety shutdown ***\n"); + set_vccd(0, 0); set_vccd(1, 0); /* VAVPP => Hi-Z */ + return (1); + } + udelay (100); + } + + 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 (CONFIG_COMMANDS & CFG_CMD_PCMCIA) +static int hardware_disable(int slot) +{ + volatile immap_t *immap; + volatile pcmconf8xx_t *pcmp; + u_long reg; + + debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); + + immap = (immap_t *)CFG_IMMR; + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + + /* 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; + + /* All voltages off / Hi-Z */ + set_vppd(0, 1); set_vppd(1, 1); + set_vccd(0, 1); set_vccd(1, 1); + + udelay(10000); + + return (0); +} +#endif /* CFG_CMD_PCMCIA */ + + +static int voltage_set(int slot, int vcc, int vpp) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + volatile pcmconf8xx_t *pcmp; + u_long reg; + ushort sreg; + + 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); + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + pcmp = (pcmconf8xx_t *)(&(((immap_t *)CFG_IMMR)->im_pcmcia)); + /* + * 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); + + /* + * Configure Port C pins for + * 5 Volts Enable and 3 Volts enable, + * Turn all power pins to Hi-Z + */ + debug ("PCMCIA power OFF\n"); + cfg_ports (); /* Enables switch, but all in Hi-Z */ + + sreg = immap->im_ioport.iop_pcdat; + set_vppd(0, 1); set_vppd(1, 1); + + switch(vcc) { + case 0: + break; /* Switch off */ + + case 33: + set_vccd(0, 1); set_vccd(1, 0); + break; + + case 50: + set_vccd(0, 0); set_vccd(1, 1); + 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"); + +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 */ + PCMCIA_PGCRX(_slot_) = reg; + udelay(500); + + debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", + slot+'A'); + return (0); +} + +static void cfg_ports (void) +{ + volatile immap_t *immap; + volatile cpm8xx_t *cp; + + immap = (immap_t *)CFG_IMMR; + cp = (cpm8xx_t *)(&(((immap_t *)CFG_IMMR)->im_cpm)); + + + cfg_vppd(0); cfg_vppd(1); /* VPPD0,VPPD1 VAVPP => Hi-Z */ + cfg_vccd(0); cfg_vccd(1); /* 3V and 5V off */ + cfg_shdn(); + cfg_oc(); + + /* + * Configure Port A for TPS2211 PC-Card Power-Interface Switch + * + * Switch off all voltages, assert shutdown + */ + set_vppd(0, 1); set_vppd(1, 1); + set_vccd(0, 0); set_vccd(1, 0); + set_shdn(1); + + udelay(100000); +} + +#endif /* NETTA */ + + +/* -------------------------------------------------------------------- */ #endif /* CFG_CMD_PCMCIA || (CFG_CMD_IDE && CONFIG_IDE_8xx_PCCARD) */ diff --git a/common/command.c b/common/command.c index dfec9c1..df5d3e9 100644 --- a/common/command.c +++ b/common/command.c @@ -217,3 +217,285 @@ cmd_tbl_t *find_cmd (const char *cmd) return NULL; /* not found or ambiguous command */ } + +#ifdef CONFIG_AUTO_COMPLETE + +int var_complete(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) +{ + static char tmp_buf[512]; + int space; + + space = last_char == '\0' || last_char == ' ' || last_char == '\t'; + + if (space && argc == 1) + return env_complete("", maxv, cmdv, sizeof(tmp_buf), tmp_buf); + + if (!space && argc == 2) + return env_complete(argv[1], maxv, cmdv, sizeof(tmp_buf), tmp_buf); + + return 0; +} + +static void install_auto_complete_handler(const char *cmd, + int (*complete)(int argc, char *argv[], char last_char, int maxv, char *cmdv[])) +{ + cmd_tbl_t *cmdtp; + + cmdtp = find_cmd(cmd); + if (cmdtp == NULL) + return; + + cmdtp->complete = complete; +} + +void install_auto_complete(void) +{ + install_auto_complete_handler("printenv", var_complete); + install_auto_complete_handler("setenv", var_complete); +#if (CONFIG_COMMANDS & CFG_CMD_RUN) + install_auto_complete_handler("run", var_complete); +#endif +} + +/*************************************************************************************/ + +static int complete_cmdv(int argc, char *argv[], char last_char, int maxv, char *cmdv[]) +{ + cmd_tbl_t *cmdtp; + const char *p; + int len, clen; + int n_found = 0; + const char *cmd; + + /* sanity? */ + if (maxv < 2) + return -2; + + cmdv[0] = NULL; + + if (argc == 0) { + /* output full list of commands */ + for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + if (n_found >= maxv - 2) { + cmdv[n_found++] = "..."; + break; + } + cmdv[n_found++] = cmdtp->name; + } + cmdv[n_found] = NULL; + return n_found; + } + + /* more than one arg or one but the start of the next */ + if (argc > 1 || (last_char == '\0' || last_char == ' ' || last_char == '\t')) { + cmdtp = find_cmd(argv[0]); + if (cmdtp == NULL || cmdtp->complete == NULL) { + cmdv[0] = NULL; + return 0; + } + return (*cmdtp->complete)(argc, argv, last_char, maxv, cmdv); + } + + cmd = argv[0]; + /* + * Some commands allow length modifiers (like "cp.b"); + * compare command name only until first dot. + */ + p = strchr(cmd, '.'); + if (p == NULL) + len = strlen(cmd); + else + len = p - cmd; + + /* return the partial matches */ + for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + + clen = strlen(cmdtp->name); + if (clen < len) + continue; + + if (memcmp(cmd, cmdtp->name, len) != 0) + continue; + + /* too many! */ + if (n_found >= maxv - 2) { + cmdv[n_found++] = "..."; + break; + } + + cmdv[n_found++] = cmdtp->name; + } + + cmdv[n_found] = NULL; + return n_found; +} + +static int make_argv(char *s, int argvsz, char *argv[]) +{ + int argc = 0; + + /* split into argv */ + while (argc < argvsz - 1) { + + /* skip any white space */ + while ((*s == ' ') || (*s == '\t')) + ++s; + + if (*s == '\0') /* end of s, no more args */ + break; + + argv[argc++] = s; /* begin of argument string */ + + /* find end of string */ + while (*s && (*s != ' ') && (*s != '\t')) + ++s; + + if (*s == '\0') /* end of s, no more args */ + break; + + *s++ = '\0'; /* terminate current arg */ + } + argv[argc] = NULL; + + return argc; +} + +static void print_argv(const char *banner, const char *leader, const char *sep, int linemax, char *argv[]) +{ + int ll = leader != NULL ? strlen(leader) : 0; + int sl = sep != NULL ? strlen(sep) : 0; + int len, i; + + if (banner) { + puts("\n"); + puts(banner); + } + + i = linemax; /* force leader and newline */ + while (*argv != NULL) { + len = strlen(*argv) + sl; + if (i + len >= linemax) { + puts("\n"); + if (leader) + puts(leader); + i = ll - sl; + } else if (sep) + puts(sep); + puts(*argv++); + i += len; + } + printf("\n"); +} + +static int find_common_prefix(char *argv[]) +{ + int i, len; + char *anchor, *s, *t; + + if (*argv == NULL) + return 0; + + /* begin with max */ + anchor = *argv++; + len = strlen(anchor); + while ((t = *argv++) != NULL) { + s = anchor; + for (i = 0; i < len; i++, t++, s++) { + if (*t != *s) + break; + } + len = s - anchor; + } + return len; +} + +static char tmp_buf[CFG_CBSIZE]; /* copy of console I/O buffer */ + +int cmd_auto_complete(const char *const prompt, char *buf, int *np, int *colp) +{ + int n = *np, col = *colp; + char *argv[CFG_MAXARGS + 1]; /* NULL terminated */ + char *cmdv[20]; + char *s, *t; + const char *sep; + int i, j, k, len, seplen, argc; + int cnt; + char last_char; + + if (strcmp(prompt, CFG_PROMPT) != 0) + return 0; /* not in normal console */ + + cnt = strlen(buf); + if (cnt >= 1) + last_char = buf[cnt - 1]; + else + last_char = '\0'; + + /* copy to secondary buffer which will be affected */ + strcpy(tmp_buf, buf); + + /* separate into argv */ + argc = make_argv(tmp_buf, sizeof(argv)/sizeof(argv[0]), argv); + + /* do the completion and return the possible completions */ + i = complete_cmdv(argc, argv, last_char, sizeof(cmdv)/sizeof(cmdv[0]), cmdv); + + /* no match; bell and out */ + if (i == 0) { + if (argc > 1) /* allow tab for non command */ + return 0; + putc('\a'); + return 1; + } + + s = NULL; + len = 0; + sep = NULL; + seplen = 0; + if (i == 1) { /* one match; perfect */ + k = strlen(argv[argc - 1]); + s = cmdv[0] + k; + len = strlen(s); + sep = " "; + seplen = 1; + } else if (i > 1 && (j = find_common_prefix(cmdv)) != 0) { /* more */ + k = strlen(argv[argc - 1]); + j -= k; + if (j > 0) { + s = cmdv[0] + k; + len = j; + } + } + + if (s != NULL) { + k = len + seplen; + /* make sure it fits */ + if (n + k >= CFG_CBSIZE - 2) { + putc('\a'); + return 1; + } + + t = buf + cnt; + for (i = 0; i < len; i++) + *t++ = *s++; + if (sep != NULL) + for (i = 0; i < seplen; i++) + *t++ = sep[i]; + *t = '\0'; + n += k; + col += k; + puts(t - k); + if (sep == NULL) + putc('\a'); + *np = n; + *colp = col; + } else { + print_argv(NULL, " ", " ", 78, cmdv); + + puts(prompt); + puts(buf); + } + return 1; +} + +#endif diff --git a/common/env_common.c b/common/env_common.c index e7ee499..d46f24f 100644 --- a/common/env_common.c +++ b/common/env_common.c @@ -260,3 +260,44 @@ void env_relocate (void) disable_nvram(); #endif } + +#ifdef CONFIG_AUTO_COMPLETE +int env_complete(char *var, int maxv, char *cmdv[], int bufsz, char *buf) +{ + int i, nxt, len, vallen, found; + const char *lval, *rval; + + found = 0; + cmdv[0] = NULL; + + len = strlen(var); + /* now iterate over the variables and select those that match */ + for (i=0; env_get_char(i) != '\0'; i=nxt+1) { + + for (nxt=i; env_get_char(nxt) != '\0'; ++nxt) + ; + + lval = env_get_addr(i); + rval = strchr(lval, '='); + if (rval != NULL) { + vallen = rval - lval; + rval++; + } else + vallen = strlen(lval); + + if (len > 0 && (vallen < len || memcmp(lval, var, len) != 0)) + continue; + + if (found >= maxv - 2 || bufsz < vallen + 1) { + cmdv[found++] = "..."; + break; + } + cmdv[found++] = buf; + memcpy(buf, lval, vallen); buf += vallen; bufsz -= vallen; + *buf++ = '\0'; bufsz--; + } + + cmdv[found] = NULL; + return found; +} +#endif diff --git a/common/main.c b/common/main.c index 156e4bc..7ce9b75 100644 --- a/common/main.c +++ b/common/main.c @@ -365,6 +365,10 @@ void main_loop (void) u_boot_hush_start (); #endif +#ifdef CONFIG_AUTO_COMPLETE + install_auto_complete(); +#endif + #ifdef CONFIG_PREBOOT if ((p = getenv ("preboot")) != NULL) { # ifdef CONFIG_AUTOBOOT_KEYED @@ -608,6 +612,14 @@ int readline (const char *const prompt) */ if (n < CFG_CBSIZE-2) { if (c == '\t') { /* expand TABs */ +#ifdef CONFIG_AUTO_COMPLETE + /* if auto completion triggered just continue */ + *p = '\0'; + if (cmd_auto_complete(prompt, console_buffer, &n, &col)) { + p = console_buffer + n; /* reset */ + continue; + } +#endif puts (tab_seq+(col&07)); col += 8 - (col&07); } else { |