diff options
Diffstat (limited to 'board/fads/fads.c')
| -rw-r--r-- | board/fads/fads.c | 237 |
1 files changed, 118 insertions, 119 deletions
diff --git a/board/fads/fads.c b/board/fads/fads.c index aca7b287e..308374045 100644 --- a/board/fads/fads.c +++ b/board/fads/fads.c @@ -1,7 +1,9 @@ /* - * (C) Copyright 2000 + * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * + * Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com + * * See file CREDITS for list of people who contributed to this * project. * @@ -21,15 +23,16 @@ * MA 02111-1307 USA */ -#include <common.h> #include <config.h> +#include <common.h> #include <mpc8xx.h> -#include "fads.h" - -/* ------------------------------------------------------------------------- */ #define _NOT_USED_ 0xFFFFFFFF +/* ========================================================================= */ + +#ifndef CONFIG_DUET_ADS /* No old DRAM on Duet */ + #if defined(CONFIG_DRAM_50MHZ) /* 50MHz tables */ static const uint dram_60ns[] = @@ -184,105 +187,6 @@ static const uint edo_70ns[] = #endif /* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - */ - -#if defined(CONFIG_FADS) && !defined(CONFIG_MPC86xADS) -static void checkdboard(void) -{ - /* get db type from BCSR 3 */ - uint k = (*((uint *)BCSR3) >> 24) & 0x3f; - - printf(" with db "); - - switch(k) { - case 0x03 : - puts ("MPC823"); - break; - case 0x20 : - puts ("MPC801"); - break; - case 0x21 : - puts ("MPC850"); - break; - case 0x22 : - puts ("MPC821, MPC860 / MPC860SAR / MPC860T"); - break; - case 0x23 : - puts ("MPC860SAR"); - break; - case 0x24 : - case 0x2A : - puts ("MPC860T"); - break; - case 0x3F : - puts ("MPC850SAR"); - break; - default : printf("0x%x", k); - } -} -#endif /* defined(CONFIG_FADS) && !defined(CONFIG_MPC86xADS) */ - -int checkboard (void) -{ - /* get revision from BCSR 3 */ - uint r = (((*((uint *) BCSR3) >> 23) & 1) << 3) - | (((*((uint *) BCSR3) >> 19) & 1) << 2) - | (((*((uint *) BCSR3) >> 16) & 3)); - - puts ("Board: "); - -#ifdef CONFIG_FADS -# ifdef CONFIG_MPC86xADS - puts ("MPC86xADS"); -# else - puts ("FADS"); - checkdboard (); -# endif /* !CONFIG_MPC86xADS */ - printf (" rev "); - - switch (r) { - case 0x00: - puts ("ENG\n"); - break; - case 0x01: - puts ("PILOT\n"); - break; - default: - printf ("unknown (0x%x)\n", r); - return (-1); - } -#endif /* CONFIG_FADS */ - -#ifdef CONFIG_ADS - printf ("ADS rev "); - - switch (r) { - case 0x00: - puts ("ENG - this board sucks, check the errata, not supported\n"); - return -1; - case 0x01: - puts ("PILOT - warning, read errata \n"); - break; - case 0x02: - puts ("A - warning, read errata \n"); - break; - case 0x03: - puts ("B \n"); - break; - default: - printf ("unknown revision (0x%x)\n", r); - return (-1); - } -#endif /* CONFIG_ADS */ - - return 0; -} - -/* ------------------------------------------------------------------------- */ static long int dram_size (long int *base, long int maxsize) { volatile long int *addr=base; @@ -425,9 +329,11 @@ static void _dramdisable(void) /* maybe we should turn off upma here or something */ } +#endif /* !CONFIG_DUET_ADS */ -#ifdef CONFIG_FADS -/* SDRAM SUPPORT (FADS ONLY) */ +/* ========================================================================= */ + +#ifdef CONFIG_FADS /* SDRAM exists on FADS and newer boards */ #if defined(CONFIG_SDRAM_100MHZ) @@ -728,15 +634,18 @@ static int initsdram(uint base, uint *noMbytes) } } -/* SDRAM SUPPORT (FADS ONLY) */ #endif /* CONFIG_FADS */ +/* ========================================================================= */ + long int initdram (int board_type) { uint sdramsz = 0; /* size of sdram in Mbytes */ uint base = 0; /* base of dram in bytes */ uint m = 0; /* size of dram in Mbytes */ +#ifndef CONFIG_DUET_ADS uint k, s; +#endif #ifdef CONFIG_FADS if (!initsdram (0x00000000, &sdramsz)) { @@ -744,7 +653,7 @@ long int initdram (int board_type) printf ("(%u MB SDRAM) ", sdramsz); } #endif - +#ifndef CONFIG_DUET_ADS /* No old DRAM on Duet */ k = (*((uint *) BCSR2) >> 23) & 0x0f; switch (k & 0x3) { @@ -795,17 +704,9 @@ long int initdram (int board_type) _dramdisable (); m = 0; } - +#endif /* !CONFIG_DUET_ADS */ m += sdramsz; /* add sdram size to total */ - if (!m) { - /******************************** - *DRAM ERROR, HALT PROCESSOR - *********************************/ - while (1); - return -1; - } - return (m << 20); } @@ -819,6 +720,105 @@ int testdram (void) return (0); } +/* ========================================================================= */ + +/* + * Check Board Identity: + */ + +#if defined(CONFIG_FADS) && defined(CFG_DAUGHTERBOARD) +static void checkdboard(void) +{ + /* get db type from BCSR 3 */ + uint k = (*((uint *)BCSR3) >> 24) & 0x3f; + + puts (" with db "); + + switch(k) { + case 0x03 : + puts ("MPC823"); + break; + case 0x20 : + puts ("MPC801"); + break; + case 0x21 : + puts ("MPC850"); + break; + case 0x22 : + puts ("MPC821, MPC860 / MPC860SAR / MPC860T"); + break; + case 0x23 : + puts ("MPC860SAR"); + break; + case 0x24 : + case 0x2A : + puts ("MPC860T"); + break; + case 0x3F : + puts ("MPC850SAR"); + break; + default : printf("0x%x", k); + } +} +#endif /* defined(CONFIG_FADS) && defined(CFG_DAUGHTERBOARD) */ + +int checkboard (void) +{ + /* get revision from BCSR 3 */ + uint r = (((*((uint *) BCSR3) >> 23) & 1) << 3) + | (((*((uint *) BCSR3) >> 19) & 1) << 2) + | (((*((uint *) BCSR3) >> 16) & 3)); + + puts ("Board: "); + +#if defined(CONFIG_MPC86xADS) + puts ("MPC86xADS"); +#elif defined(CONFIG_DUET_ADS) + puts ("DUET ADS"); + r = 0; /* I've got NR (No Revision) board */ +#elif defined(CONFIG_FADS) + puts ("FADS"); + checkdboard (); +#else + puts ("ADS"); +#endif + puts (" rev "); + + switch (r) { +#if defined(CONFIG_ADS) + case 0x00: + puts ("ENG - this board sucks, check the errata, not supported\n"); + return -1; + case 0x01: + puts ("PILOT - warning, read errata \n"); + break; + case 0x02: + puts ("A - warning, read errata \n"); + break; + case 0x03: + puts ("B \n"); + break; +#elif defined(CONFIG_DUET_ADS) + case 0x00: + puts ("NR\n"); + break; +#else /* FADS and newer */ + case 0x00: + puts ("ENG\n"); + break; + case 0x01: + puts ("PILOT\n"); + break; +#endif /* CONFIG_ADS */ + default: + printf ("unknown (0x%x)\n", r); + return -1; + } + + return 0; +} + +/* ========================================================================= */ #if (CONFIG_COMMANDS & CFG_CMD_PCMCIA) @@ -964,7 +964,7 @@ int pcmcia_init(void) #endif /* CFG_CMD_PCMCIA */ -/* ------------------------------------------------------------------------- */ +/* ========================================================================= */ #ifdef CFG_PC_IDE_RESET @@ -988,4 +988,3 @@ void ide_set_reset(int on) } #endif /* CFG_PC_IDE_RESET */ -/* ------------------------------------------------------------------------- */ |