diff options
Diffstat (limited to 'board/mpl/vcma9/vcma9.c')
| -rw-r--r-- | board/mpl/vcma9/vcma9.c | 127 |
1 files changed, 89 insertions, 38 deletions
diff --git a/board/mpl/vcma9/vcma9.c b/board/mpl/vcma9/vcma9.c index 359e565..33cec02 100644 --- a/board/mpl/vcma9/vcma9.c +++ b/board/mpl/vcma9/vcma9.c @@ -130,16 +130,6 @@ int board_init(void) return 0; } -int dram_init(void) -{ - DECLARE_GLOBAL_DATA_PTR; - - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - - return 0; -} - /* * NAND flash initialization. */ @@ -162,9 +152,16 @@ static inline void NF_Reset(void) static inline void NF_Init(void) { +#if 0 /* a little bit too optimistic */ #define TACLS 0 #define TWRPH0 3 #define TWRPH1 0 +#else +#define TACLS 0 +#define TWRPH0 4 +#define TWRPH1 2 +#endif + NF_Conf((1<<15)|(0<<14)|(0<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0)); /*nand->NFCONF = (1<<15)|(1<<14)|(1<<13)|(1<<12)|(1<<11)|(TACLS<<8)|(TWRPH0<<4)|(TWRPH1<<0); */ /* 1 1 1 1, 1 xxx, r xxx, r xxx */ @@ -177,15 +174,12 @@ void nand_init(void) { S3C2410_NAND * const nand = S3C2410_GetBase_NAND(); - unsigned totlen; NF_Init(); #ifdef DEBUG printf("NAND flash probing at 0x%.8lX\n", (ulong)nand); #endif - totlen = nand_probe((ulong)nand) >> 20; - - printf ("%4lu MB\n", totlen >> 20); + printf ("%4lu MB\n", nand_probe((ulong)nand) >> 20); } #endif @@ -193,29 +187,40 @@ nand_init(void) * Get some Board/PLD Info */ -static uchar Get_PLD_ID(void) +static u8 Get_PLD_ID(void) +{ + VCMA9_PLD * const pld = VCMA9_GetBase_PLD(); + + return(pld->ID); +} + +static u8 Get_PLD_BOARD(void) { - return(*(volatile uchar *)PLD_ID_REG); + VCMA9_PLD * const pld = VCMA9_GetBase_PLD(); + + return(pld->BOARD); } -static uchar Get_PLD_BOARD(void) +static u8 Get_PLD_SDRAM(void) { - return(*(volatile uchar *)PLD_BOARD_REG); + VCMA9_PLD * const pld = VCMA9_GetBase_PLD(); + + return(pld->SDRAM); } -static uchar Get_PLD_Version(void) +static u8 Get_PLD_Version(void) { return((Get_PLD_ID() >> 4) & 0x0F); } -static uchar Get_PLD_Revision(void) +static u8 Get_PLD_Revision(void) { return(Get_PLD_ID() & 0x0F); } static int Get_Board_Config(void) { - uchar config = Get_PLD_BOARD() & 0x03; + u8 config = Get_PLD_BOARD() & 0x03; if (config == 3) return 1; @@ -228,6 +233,54 @@ static uchar Get_Board_PCB(void) return(((Get_PLD_BOARD() >> 4) & 0x03) + 'A'); } +static u8 Get_SDRAM_ChipNr(void) +{ + switch ((Get_PLD_SDRAM() >> 4) & 0x0F) { + case 0: return 4; + case 1: return 1; + case 2: return 2; + default: return 0; + } +} + +static ulong Get_SDRAM_ChipSize(void) +{ + switch (Get_PLD_SDRAM() & 0x0F) { + case 0: return 16 * (1024*1024); + case 1: return 32 * (1024*1024); + case 2: return 8 * (1024*1024); + case 3: return 8 * (1024*1024); + default: return 0; + } +} +static const char * Get_SDRAM_ChipGeom(void) +{ + switch (Get_PLD_SDRAM() & 0x0F) { + case 0: return "4Mx8x4"; + case 1: return "8Mx8x4"; + case 2: return "2Mx8x4"; + case 3: return "4Mx8x2"; + default: return "unknown"; + } +} + +static void Show_VCMA9_Info(char *board_name, char *serial) +{ + printf("Board: %s SN: %s PCB Rev: %c PLD(%d,%d)\n", + board_name, serial, Get_Board_PCB(), Get_PLD_Version(), Get_PLD_Revision()); + printf("SDRAM: %d chips %s\n", Get_SDRAM_ChipNr(), Get_SDRAM_ChipGeom()); +} + +int dram_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = Get_SDRAM_ChipSize() * Get_SDRAM_ChipNr(); + + return 0; +} + /* ------------------------------------------------------------------------- */ /* @@ -240,8 +293,6 @@ int checkboard(void) int i; backup_t *b = (backup_t *) s; - puts("Board: "); - i = getenv_r("serial#", s, 32); if ((i < 0) || strncmp (s, "VCMA9", 5)) { get_backup_values (b); @@ -249,32 +300,23 @@ int checkboard(void) puts ("### No HW ID - assuming VCMA9"); } else { b->serial_name[5] = 0; - printf ("%s-%d PCB Rev %c SN: %s", b->serial_name, Get_Board_Config(), - Get_Board_PCB(), &b->serial_name[6]); + Show_VCMA9_Info(b->serial_name, &b->serial_name[6]); } } else { s[5] = 0; - printf ("%s-%d PCB Rev %c SN: %s", s, Get_Board_Config(), Get_Board_PCB(), - &s[6]); + Show_VCMA9_Info(s, &s[6]); } - printf("\n"); + /*printf("\n");*/ return(0); } -void print_vcma9_rev(void) -{ - printf("Board: VCMA9-%d PCB Rev: %c (PLD Ver: %d, Rev: %d)\n", - Get_Board_Config(), Get_Board_PCB(), - Get_PLD_Version(), Get_PLD_Revision()); -} - extern void mem_test_reloc(void); int last_stage_init(void) { mem_test_reloc(); - print_vcma9_rev(); + checkboard(); show_stdio_dev(); check_env(); return 0; @@ -295,6 +337,15 @@ int overwrite_console(void) * Print VCMA9 Info ************************************************************************/ void print_vcma9_info(void) -{ - print_vcma9_rev(); +{ + unsigned char s[50]; + int i; + + if ((i = getenv_r("serial#", s, 32)) < 0) { + puts ("### No HW ID - assuming VCMA9"); + printf("i %d", i*24); + } else { + s[5] = 0; + Show_VCMA9_Info(s, &s[6]); + } } |