X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=lib_ppc%2Fboard.c;h=dd22f99c67983f4585260ed0f0a31c545e87a60f;hb=c847e98b143c154cc466f9d03e90a3495329172b;hp=a33ee27f2654bbaed05910d9560a6449a5740cbd;hpb=ed9953d6903c9673135a96ae1644f61cb0eac5ce;p=oweals%2Fu-boot.git diff --git a/lib_ppc/board.c b/lib_ppc/board.c index a33ee27f26..dd22f99c67 100644 --- a/lib_ppc/board.c +++ b/lib_ppc/board.c @@ -25,7 +25,7 @@ #include #include #include -#include +#include #ifdef CONFIG_8xx #include #endif @@ -83,6 +83,10 @@ #include #endif +#ifdef CONFIG_BITBANGMII +#include +#endif + #ifdef CONFIG_SYS_UPDATE_FLASH_SIZE extern int update_flash_size (int flash_size); #endif @@ -136,46 +140,11 @@ ulong monitor_flash_len; #include #endif -/* - * Begin and End of memory area for malloc(), and current "brk" - */ -static ulong mem_malloc_start = 0; -static ulong mem_malloc_end = 0; -static ulong mem_malloc_brk = 0; - /************************************************************************ * Utilities * ************************************************************************ */ -/* - * The Malloc area is immediately below the monitor copy in DRAM - */ -static void mem_malloc_init (void) -{ -#if !defined(CONFIG_RELOC_FIXUP_WORKS) - mem_malloc_end = CONFIG_SYS_MONITOR_BASE + gd->reloc_off; -#endif - mem_malloc_start = mem_malloc_end - TOTAL_MALLOC_LEN; - mem_malloc_brk = mem_malloc_start; - - memset ((void *) mem_malloc_start, - 0, - mem_malloc_end - mem_malloc_start); -} - -void *sbrk (ptrdiff_t increment) -{ - ulong old = mem_malloc_brk; - ulong new = old + increment; - - if ((new < mem_malloc_start) || (new > mem_malloc_end)) { - return (NULL); - } - mem_malloc_brk = new; - return ((void *) old); -} - /* * All attempts to come up with a "common" initialization sequence * that works for all boards and architectures failed: some of the @@ -286,11 +255,12 @@ static int init_func_watchdog_reset (void) */ init_fnc_t *init_sequence[] = { - +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + probecpu, +#endif #if defined(CONFIG_BOARD_EARLY_INIT_F) board_early_init_f, #endif - #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) get_clocks, /* get CPU and bus clocks (etc.) */ #if defined(CONFIG_TQM8xxL) && !defined(CONFIG_TQM866M) \ @@ -321,7 +291,7 @@ init_fnc_t *init_sequence[] = { prt_8260_rsr, prt_8260_clks, #endif /* CONFIG_8260 */ -#if defined(CONFIG_MPC83XX) +#if defined(CONFIG_MPC83xx) prt_83xx_rsr, #endif checkcpu, @@ -408,7 +378,7 @@ void board_init_f (ulong bootflag) /* compiler optimization barrier needed for GCC >= 3.4 */ __asm__ __volatile__("": : :"memory"); -#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83XX) && \ +#if !defined(CONFIG_CPM2) && !defined(CONFIG_MPC83xx) && \ !defined(CONFIG_MPC85xx) && !defined(CONFIG_MPC86xx) /* Clear initial global data */ memset ((void *) gd, 0, sizeof (gd_t)); @@ -452,7 +422,7 @@ void board_init_f (ulong bootflag) /* * We need to make sure the location we intend to put secondary core * boot code is reserved and not used by any part of u-boot - */ + */ if (addr > determine_mp_bootpg()) { addr = determine_mp_bootpg(); debug ("Reserving MP boot page to %08lx\n", addr); @@ -570,7 +540,7 @@ void board_init_f (ulong bootflag) #if defined(CONFIG_MPC5xxx) bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ #endif -#if defined(CONFIG_MPC83XX) +#if defined(CONFIG_MPC83xx) bd->bi_immrbar = CONFIG_SYS_IMMR; #endif #if defined(CONFIG_MPC8220) @@ -659,13 +629,9 @@ void board_init_f (ulong bootflag) */ void board_init_r (gd_t *id, ulong dest_addr) { - cmd_tbl_t *cmdtp; char *s; bd_t *bd; - extern void malloc_bin_reloc (void); -#ifndef CONFIG_ENV_IS_NOWHERE - extern char * env_name_spec; -#endif + ulong malloc_start; #ifndef CONFIG_SYS_NO_FLASH ulong flash_size; @@ -676,11 +642,15 @@ void board_init_r (gd_t *id, ulong dest_addr) gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ -#if defined(CONFIG_RELOC_FIXUP_WORKS) - gd->reloc_off = 0; - mem_malloc_end = dest_addr; -#else - gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; + /* The Malloc area is immediately below the monitor copy in DRAM */ + malloc_start = dest_addr - TOTAL_MALLOC_LEN; + +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + /* + * The gd->cpu pointer is set to an address in flash before relocation. + * We need to update it to point to the same CPU entry in RAM. + */ + gd->cpu += dest_addr - CONFIG_SYS_MONITOR_BASE; #endif #ifdef CONFIG_SERIAL_MULTI @@ -706,38 +676,6 @@ void board_init_r (gd_t *id, ulong dest_addr) monitor_flash_len = (ulong)&__init_end - dest_addr; - /* - * We have to relocate the command table manually - */ - for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { - ulong addr; - addr = (ulong) (cmdtp->cmd) + gd->reloc_off; -#if 0 - printf ("Command \"%s\": 0x%08lx => 0x%08lx\n", - cmdtp->name, (ulong) (cmdtp->cmd), addr); -#endif - cmdtp->cmd = - (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr; - - addr = (ulong)(cmdtp->name) + gd->reloc_off; - cmdtp->name = (char *)addr; - - if (cmdtp->usage) { - addr = (ulong)(cmdtp->usage) + gd->reloc_off; - cmdtp->usage = (char *)addr; - } -#ifdef CONFIG_SYS_LONGHELP - if (cmdtp->help) { - addr = (ulong)(cmdtp->help) + gd->reloc_off; - cmdtp->help = (char *)addr; - } -#endif - } - /* there are some other pointer constants we must deal with */ -#ifndef CONFIG_ENV_IS_NOWHERE - env_name_spec += gd->reloc_off; -#endif - WATCHDOG_RESET (); #ifdef CONFIG_LOGBUFFER @@ -745,12 +683,11 @@ void board_init_r (gd_t *id, ulong dest_addr) #endif #ifdef CONFIG_POST post_output_backlog (); - post_reloc (); #endif WATCHDOG_RESET(); -#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83XX) +#if defined(CONFIG_SYS_DELAYED_ICACHE) || defined(CONFIG_MPC83xx) icache_enable (); /* it's time to enable the instruction cache */ #endif @@ -775,6 +712,8 @@ void board_init_r (gd_t *id, ulong dest_addr) asm ("sync ; isync"); + mem_malloc_init (malloc_start, TOTAL_MALLOC_LEN); + #if !defined(CONFIG_SYS_NO_FLASH) puts ("FLASH: "); @@ -832,10 +771,6 @@ void board_init_r (gd_t *id, ulong dest_addr) WATCHDOG_RESET (); - /* initialize malloc() area */ - mem_malloc_init (); - malloc_bin_reloc (); - #ifdef CONFIG_SPI # if !defined(CONFIG_ENV_IS_IN_EEPROM) spi_init_f (); @@ -932,8 +867,8 @@ void board_init_r (gd_t *id, ulong dest_addr) #endif /** leave this here (after malloc(), environment and PCI are working) **/ - /* Initialize devices */ - devices_init (); + /* Initialize stdio devices */ + stdio_init (); /* Initialize the jump table for applications */ jumptable_init (); @@ -946,17 +881,7 @@ void board_init_r (gd_t *id, ulong dest_addr) /* Initialize the console (after the relocation and devices init) */ console_init_r (); -#if defined(CONFIG_CCM) || \ - defined(CONFIG_COGENT) || \ - defined(CONFIG_CPCI405) || \ - defined(CONFIG_EVB64260) || \ - defined(CONFIG_KUP4K) || \ - defined(CONFIG_KUP4X) || \ - defined(CONFIG_LWMON) || \ - defined(CONFIG_PCU_E) || \ - defined(CONFIG_SC3) || \ - defined(CONFIG_W7O) || \ - defined(CONFIG_MISC_INIT_R) +#if defined(CONFIG_MISC_INIT_R) /* miscellaneous platform dependent initialisations */ misc_init_r (); #endif @@ -1027,6 +952,9 @@ void board_init_r (gd_t *id, ulong dest_addr) doc_init (); #endif +#ifdef CONFIG_BITBANGMII + bb_miiphy_init(); +#endif #if defined(CONFIG_CMD_NET) #if defined(CONFIG_NET_MULTI) WATCHDOG_RESET (); @@ -1035,22 +963,7 @@ void board_init_r (gd_t *id, ulong dest_addr) eth_initialize (bd); #endif -#if defined(CONFIG_CMD_NET) && ( \ - defined(CONFIG_CCM) || \ - defined(CONFIG_ELPT860) || \ - defined(CONFIG_EP8260) || \ - defined(CONFIG_IP860) || \ - defined(CONFIG_IVML24) || \ - defined(CONFIG_IVMS8) || \ - defined(CONFIG_MPC8260ADS) || \ - defined(CONFIG_MPC8266ADS) || \ - defined(CONFIG_MPC8560ADS) || \ - defined(CONFIG_PCU_E) || \ - defined(CONFIG_RPXSUPER) || \ - defined(CONFIG_STXGP3) || \ - defined(CONFIG_SPD823TS) || \ - defined(CONFIG_RESET_PHY_R) ) - +#if defined(CONFIG_CMD_NET) && defined(CONFIG_RESET_PHY_R) WATCHDOG_RESET (); debug ("Reset Ethernet PHY\n"); reset_phy (); @@ -1157,103 +1070,6 @@ void hang (void) for (;;); } -#ifdef CONFIG_MODEM_SUPPORT -/* called from main loop (common/main.c) */ -/* 'inline' - We have to do it fast */ -static inline void mdm_readline(char *buf, int bufsiz) -{ - char c; - char *p; - int n; - - n = 0; - p = buf; - for(;;) { - c = serial_getc(); - - /* dbg("(%c)", c); */ - - switch(c) { - case '\r': - break; - case '\n': - *p = '\0'; - return; - - default: - if(n++ > bufsiz) { - *p = '\0'; - return; /* sanity check */ - } - *p = c; - p++; - break; - } - } -} - -extern void dbg(const char *fmt, ...); -int mdm_init (void) -{ - char env_str[16]; - char *init_str; - int i; - extern char console_buffer[]; - extern void enable_putc(void); - extern int hwflow_onoff(int); - - enable_putc(); /* enable serial_putc() */ - -#ifdef CONFIG_HWFLOW - init_str = getenv("mdm_flow_control"); - if (init_str && (strcmp(init_str, "rts/cts") == 0)) - hwflow_onoff (1); - else - hwflow_onoff(-1); -#endif - - for (i = 1;;i++) { - sprintf(env_str, "mdm_init%d", i); - if ((init_str = getenv(env_str)) != NULL) { - serial_puts(init_str); - serial_puts("\n"); - for(;;) { - mdm_readline(console_buffer, CONFIG_SYS_CBSIZE); - dbg("ini%d: [%s]", i, console_buffer); - - if ((strcmp(console_buffer, "OK") == 0) || - (strcmp(console_buffer, "ERROR") == 0)) { - dbg("ini%d: cmd done", i); - break; - } else /* in case we are originating call ... */ - if (strncmp(console_buffer, "CONNECT", 7) == 0) { - dbg("ini%d: connect", i); - return 0; - } - } - } else - break; /* no init string - stop modem init */ - - udelay(100000); - } - - udelay(100000); - - /* final stage - wait for connect */ - for(;i > 1;) { /* if 'i' > 1 - wait for connection - message from modem */ - mdm_readline(console_buffer, CONFIG_SYS_CBSIZE); - dbg("ini_f: [%s]", console_buffer); - if (strncmp(console_buffer, "CONNECT", 7) == 0) { - dbg("ini_f: connected"); - return 0; - } - } - - return 0; -} - -#endif #if 0 /* We could use plain global data, but the resulting code is bigger */ /*