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Diffstat (limited to 'board/evb4510/evb4510.c')
| -rw-r--r-- | board/evb4510/evb4510.c | 86 | 
1 files changed, 86 insertions, 0 deletions
| diff --git a/board/evb4510/evb4510.c b/board/evb4510/evb4510.c new file mode 100644 index 000000000..72d1f4e4f --- /dev/null +++ b/board/evb4510/evb4510.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2004	Cucy Systems (http://www.cucy.com) + * Curt Brune <curt@cucy.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/hardware.h> +#include <command.h> + +/* ------------------------------------------------------------------------- */ + + +#define PUT_LED(val)       (PUT_REG(REG_IOPDATA, (~val)&0xFF)) +#define GET_LED()          ((~GET_REG( REG_IOPDATA)) & 0xFF) +#define SET_LED(val)       { u32 led = GET_LED(); led |= 1 << (val);  PUT_LED( led); } +#define CLR_LED(val)       { u32 led = GET_LED(); led &= ~(1 << (val));  PUT_LED( led); } + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init (void) +{ +	DECLARE_GLOBAL_DATA_PTR; + +	icache_enable(); + +	/* address for the kernel command line */ +	gd->bd->bi_boot_params = 0x800; + +	/* enable board LEDs for output */ +	PUT_REG( REG_IOPDATA, 0x0); +	PUT_REG( REG_IOPMODE, 0xFFFF); +	PUT_REG( REG_IOPDATA, 0xFF); + +	/* enable LED 7 to show we're alive */ +	SET_LED( 7); + +	/* configure free running timer 1 */ +	/* Stop timer 1 */ +	CLR_REG( REG_TMOD, TM1_RUN); + +	/* Configure for toggle mode */ +	SET_REG( REG_TMOD, TM1_TOGGLE); + +	/* Load Timer data register with count down value */ +	PUT_REG( REG_TDATA1, 0xFFFFFFFF); + +	/* Clear timer counter register */ +	PUT_REG( REG_TCNT1, 0x0); + +	/* Start timer -- count down timer */ +	SET_REG( REG_TMOD, TM1_RUN); + +	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; +#if CONFIG_NR_DRAM_BANKS == 2 +	gd->bd->bi_dram[1].start = PHYS_SDRAM_2; +	gd->bd->bi_dram[1].size  = PHYS_SDRAM_2_SIZE; +#endif +	return 0; +} |