FreeCalypso > hg > freecalypso-tools
view loadtools/flconf.c @ 872:b026f1156852
CHANGES: document fc-pwt-comp
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 28 Mar 2022 06:30:09 +0000 |
parents | 0dd2c87c1b63 |
children |
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/* * This module handles flash configuration for fc-loadtool */ #include <sys/types.h> #include <ctype.h> #include <stdio.h> #include <stdint.h> #include <string.h> #include <strings.h> #include <stdlib.h> #include "flash.h" /* the following variables describe our selected flash config */ int flash_global_config; struct flash_bank_info flash_bank_info[2]; /* global configurations selected via hw parameter files */ static struct global_cfg_kw { char *kw; int code; } global_cfg_keywords[] = { {"single-4M", FLASH_GLOBAL_CFG_SINGLE_4M}, {"single-8M", FLASH_GLOBAL_CFG_SINGLE_8M}, {"dual-8M", FLASH_GLOBAL_CFG_DUAL_8M}, /* backward compatibility with old hw param files */ {"cfi-4M", FLASH_GLOBAL_CFG_SINGLE_4M}, {"cfi-8M", FLASH_GLOBAL_CFG_SINGLE_8M}, {"k5a32xx_t", FLASH_GLOBAL_CFG_SINGLE_4M}, {"pl129n", FLASH_GLOBAL_CFG_DUAL_8M}, {"28f640w30b", FLASH_GLOBAL_CFG_SINGLE_8M}, {0, 0} /* array terminator */ }; /* called from hwparam.c config file parser */ void set_flash_config(arg, filename_for_errs, lineno_for_errs) char *arg; char *filename_for_errs; int lineno_for_errs; { char *cp, *np, *ep; struct global_cfg_kw *tp; int bank, nbanks; struct flash_bank_info *bi; uint32_t align_size; if (flash_global_config) { fprintf(stderr, "%s line %d: duplicate flash setting\n", filename_for_errs, lineno_for_errs); exit(1); } for (cp = arg; isspace(*cp); cp++) ; if (!*cp || *cp == '#') { too_few_arg: fprintf(stderr, "%s line %d: flash setting: too few arguments\n", filename_for_errs, lineno_for_errs); exit(1); } for (np = cp; *cp && !isspace(*cp); cp++) ; if (*cp) *cp++ = '\0'; for (tp = global_cfg_keywords; tp->kw; tp++) if (!strcmp(tp->kw, np)) break; if (!tp->kw) { fprintf(stderr, "%s line %d: unknown flash config \"%s\"\n", filename_for_errs, lineno_for_errs, np); exit(1); } flash_global_config = tp->code; /* now initialize flash_bank_info (base addresses) */ switch (flash_global_config) { case FLASH_GLOBAL_CFG_SINGLE_4M: nbanks = 1; align_size = 0x400000; break; case FLASH_GLOBAL_CFG_SINGLE_8M: nbanks = 1; align_size = 0x800000; break; case FLASH_GLOBAL_CFG_DUAL_8M: nbanks = 2; align_size = 0x800000; break; default: fprintf(stderr, "BUG in set_flash_config(): invalid global config\n"); abort(); } for (bank = 0; bank < nbanks; bank++) { while (isspace(*cp)) cp++; if (!*cp || *cp == '#') goto too_few_arg; for (np = cp; *cp && !isspace(*cp); cp++) ; if (*cp) *cp++ = '\0'; bi = flash_bank_info + bank; bi->base_addr = strtoul(np, &ep, 16); if (*ep) { fprintf(stderr, "%s line %d: syntax error (base addr expected after flash config name)\n", filename_for_errs, lineno_for_errs); exit(1); } /* check alignment */ if (bi->base_addr & (align_size - 1)) { fprintf(stderr, "%s line %d: flash bank %d base addr is not aligned to the bank size (0x%lx)\n", filename_for_errs, lineno_for_errs, bank, (u_long) align_size); exit(1); } } while (isspace(*cp)) cp++; if (*cp && *cp != '#') { fprintf(stderr, "%s line %d: flash setting: too many arguments\n", filename_for_errs, lineno_for_errs); exit(1); } }