[people/ms/u-boot.git] / board / atmel / atstk1000 / atstk1000.c

/*
 * Copyright (C) 2005-2006 Atmel Corporation
 *
 * 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/io.h>
#include <asm/sdram.h>
#include <asm/arch/clk.h>
#include <asm/arch/gpio.h>
#include <asm/arch/hmatrix.h>

DECLARE_GLOBAL_DATA_PTR;

static const struct sdram_config sdram_config = {
#if defined(CONFIG_ATSTK1006)
	/* Dual MT48LC16M16A2-7E (64 MB) on daughterboard */
	.data_bits	= SDRAM_DATA_32BIT,
	.row_bits	= 13,
	.col_bits	= 9,
	.bank_bits	= 2,
	.cas		= 2,
	.twr		= 2,
	.trc		= 7,
	.trp		= 2,
	.trcd		= 2,
	.tras		= 4,
	.txsr		= 7,
	/* 7.81 us */
	.refresh_period	= (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
#else
	/* MT48LC2M32B2P-5 (8 MB) on motherboard */
#ifdef CONFIG_ATSTK1004
	.data_bits	= SDRAM_DATA_16BIT,
#else
	.data_bits	= SDRAM_DATA_32BIT,
#endif
#ifdef CONFIG_ATSTK1000_16MB_SDRAM
	/* MT48LC4M32B2P-6 (16 MB) on mod'ed motherboard */
	.row_bits	= 12,
#else
	.row_bits	= 11,
#endif
	.col_bits	= 8,
	.bank_bits	= 2,
	.cas		= 3,
	.twr		= 2,
	.trc		= 7,
	.trp		= 2,
	.trcd		= 2,
	.tras		= 5,
	.txsr		= 5,
	/* 15.6 us */
	.refresh_period	= (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
#endif
};

int board_early_init_f(void)
{
	/* Enable SDRAM in the EBI mux */
	hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));

	gpio_enable_ebi();
	gpio_enable_usart1();
#if defined(CONFIG_MACB)
	gpio_enable_macb0();
	gpio_enable_macb1();
#endif
#if defined(CONFIG_MMC)
	gpio_enable_mmci();
#endif

	return 0;
}

phys_size_t initdram(int board_type)
{
	unsigned long expected_size;
	unsigned long actual_size;
	void *sdram_base;

	sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);

	expected_size = sdram_init(sdram_base, &sdram_config);
	actual_size = get_ram_size(sdram_base, expected_size);

	unmap_physmem(sdram_base, EBI_SDRAM_SIZE);

	if (expected_size != actual_size)
		printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
				actual_size >> 20, expected_size >> 20);

	return actual_size;
}

void board_init_info(void)
{
	gd->bd->bi_phy_id[0] = 0x10;
	gd->bd->bi_phy_id[1] = 0x11;
}

extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);

#ifdef CONFIG_CMD_NET
int board_eth_init(bd_t *bi)
{
	macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
	macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
	return 0;
}
#endif
Commit	Line	Data
6ccec449 WD	1	/*
	2	* Copyright (C) 2005-2006 Atmel Corporation
	3	*
	4	* See file CREDITS for list of people who contributed to this
	5	* project.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License as
	9	* published by the Free Software Foundation; either version 2 of
	10	* the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	20	* MA 02111-1307 USA
	21	*/
	22	#include <common.h>
	23
	24	#include <asm/io.h>
	25	#include <asm/sdram.h>
d38da537	26	#include <asm/arch/clk.h>
df548d3c	27	#include <asm/arch/gpio.h>
44453b25	28	#include <asm/arch/hmatrix.h>
6ccec449 WD	29
	30	DECLARE_GLOBAL_DATA_PTR;
	31
a23e277c HS	32	static const struct sdram_config sdram_config = {
	33	#if defined(CONFIG_ATSTK1006)
	34	/* Dual MT48LC16M16A2-7E (64 MB) on daughterboard */
	35	.data_bits = SDRAM_DATA_32BIT,
0a2e4879 HS	36	.row_bits = 13,
	37	.col_bits = 9,
	38	.bank_bits = 2,
	39	.cas = 2,
	40	.twr = 2,
	41	.trc = 7,
	42	.trp = 2,
	43	.trcd = 2,
	44	.tras = 4,
	45	.txsr = 7,
	46	/* 7.81 us */
	47	.refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
0a2e4879	48	#else
a23e277c HS	49	/* MT48LC2M32B2P-5 (8 MB) on motherboard */
	50	#ifdef CONFIG_ATSTK1004
	51	.data_bits = SDRAM_DATA_16BIT,
	52	#else
	53	.data_bits = SDRAM_DATA_32BIT,
	54	#endif
	55	#ifdef CONFIG_ATSTK1000_16MB_SDRAM
	56	/* MT48LC4M32B2P-6 (16 MB) on mod'ed motherboard */
	57	.row_bits = 12,
	58	#else
6ccec449	59	.row_bits = 11,
a23e277c	60	#endif
6ccec449 WD	61	.col_bits = 8,
	62	.bank_bits = 2,
	63	.cas = 3,
	64	.twr = 2,
	65	.trc = 7,
	66	.trp = 2,
	67	.trcd = 2,
	68	.tras = 5,
	69	.txsr = 5,
d38da537 HS	70	/* 15.6 us */
d38da537 HS	71	.refresh_period = (156 * (SDRAMC_BUS_HZ / 1000)) / 10000,
0a2e4879	72	#endif
a23e277c	73	};
6ccec449	74
df548d3c HS	75	int board_early_init_f(void)
df548d3c HS	76	{
44453b25 HS	77	/* Enable SDRAM in the EBI mux */
44453b25 HS	78	hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
df548d3c HS	79
	80	gpio_enable_ebi();
	81	gpio_enable_usart1();
9a24f477 HS	82	#if defined(CONFIG_MACB)
	83	gpio_enable_macb0();
	84	gpio_enable_macb1();
	85	#endif
8e687518 HS	86	#if defined(CONFIG_MMC)
	87	gpio_enable_mmci();
	88	#endif
df548d3c HS	89
	90	return 0;
	91	}
	92
9973e3c6	93	phys_size_t initdram(int board_type)
6ccec449	94	{
a23e277c HS	95	unsigned long expected_size;
	96	unsigned long actual_size;
	97	void *sdram_base;
	98
	99	sdram_base = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
	100
	101	expected_size = sdram_init(sdram_base, &sdram_config);
	102	actual_size = get_ram_size(sdram_base, expected_size);
	103
	104	unmap_physmem(sdram_base, EBI_SDRAM_SIZE);
	105
	106	if (expected_size != actual_size)
7f4b009f	107	printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
a23e277c HS	108	actual_size >> 20, expected_size >> 20);
	109
	110	return actual_size;
6ccec449 WD	111	}
	112
	113	void board_init_info(void)
	114	{
	115	gd->bd->bi_phy_id[0] = 0x10;
	116	gd->bd->bi_phy_id[1] = 0x11;
	117	}
c8c845cf BW	118
	119	extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
	120
	121	#ifdef CONFIG_CMD_NET
	122	int board_eth_init(bd_t *bi)
	123	{
	124	macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
	125	macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
	126	return 0;
	127	}
	128	#endif