avr32: add grasshopper (ICnova AP7000) board
The grasshopper board is a neat avr32 evaluation kit produced by In-Circuit GmbH. See http://www.ic-board.de/product_info.php?info=p75_ICnova-AP7000-Base.html for detailed information about this device. Signed-off-by: Andreas Bießmann <biessmann@corscience.de> Signed-off-by: Reinhard Meyer <u-boot@emk-elektronik.de>
This commit is contained in:
Andreas Bießmann
U-Boot
45
board/in-circuit/grasshopper/Makefile
Normal file
45
board/in-circuit/grasshopper/Makefile
Normal file
@@ -0,0 +1,45 @@
|
||||
#
|
||||
# (C) Copyright 2001-2006
|
||||
# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
||||
#
|
||||
# Copyright (C) 2011
|
||||
# Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
|
||||
#
|
||||
# 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 $(TOPDIR)/config.mk
|
||||
|
||||
LIB := $(obj)lib$(BOARD).o
|
||||
|
||||
COBJS-y += $(BOARD).o
|
||||
|
||||
SRCS := $(COBJS-y:.o=.c)
|
||||
OBJS := $(addprefix $(obj),$(COBJS-y))
|
||||
|
||||
$(LIB): $(obj).depend $(OBJS)
|
||||
$(call cmd_link_o_target, $(OBJS))
|
||||
|
||||
#########################################################################
|
||||
|
||||
# defines $(obj).depend target
|
||||
include $(SRCTREE)/rules.mk
|
||||
|
||||
sinclude $(obj).depend
|
||||
|
||||
#########################################################################
|
||||
112
board/in-circuit/grasshopper/grasshopper.c
Normal file
112
board/in-circuit/grasshopper/grasshopper.c
Normal file
@@ -0,0 +1,112 @@
|
||||
/*
|
||||
* Copyright (C) 2011
|
||||
* Corscience GmbH & Co.KG, Andreas Bießmann <biessmann@corscience.de>
|
||||
*
|
||||
* 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/hmatrix.h>
|
||||
#include <asm/arch/mmu.h>
|
||||
#include <asm/arch/portmux.h>
|
||||
#include <netdev.h>
|
||||
|
||||
DECLARE_GLOBAL_DATA_PTR;
|
||||
|
||||
struct mmu_vm_range mmu_vmr_table[CONFIG_SYS_NR_VM_REGIONS] = {
|
||||
{
|
||||
.virt_pgno = CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT,
|
||||
.nr_pages = CONFIG_SYS_FLASH_SIZE >> PAGE_SHIFT,
|
||||
.phys = (CONFIG_SYS_FLASH_BASE >> PAGE_SHIFT)
|
||||
| MMU_VMR_CACHE_NONE,
|
||||
}, {
|
||||
.virt_pgno = CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT,
|
||||
.nr_pages = EBI_SDRAM_SIZE >> PAGE_SHIFT,
|
||||
.phys = (CONFIG_SYS_SDRAM_BASE >> PAGE_SHIFT)
|
||||
| MMU_VMR_CACHE_WRBACK,
|
||||
},
|
||||
};
|
||||
|
||||
static const struct sdram_config sdram_config = {
|
||||
/* Dual MT48LC16M16A2-7E (or equal) */
|
||||
.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,
|
||||
};
|
||||
|
||||
int board_early_init_f(void)
|
||||
{
|
||||
/* Enable SDRAM in the EBI mux */
|
||||
hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
|
||||
|
||||
portmux_enable_ebi(SDRAM_DATA_32BIT, 23, 0, PORTMUX_DRIVE_HIGH);
|
||||
portmux_enable_usart0(PORTMUX_DRIVE_MIN);
|
||||
portmux_enable_usart1(PORTMUX_DRIVE_MIN);
|
||||
#if defined(CONFIG_MACB)
|
||||
portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_LOW);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
phys_size_t initdram(int board_type)
|
||||
{
|
||||
unsigned long expected_size;
|
||||
unsigned long actual_size;
|
||||
void *sdram_base;
|
||||
|
||||
sdram_base = uncached(EBI_SDRAM_BASE);
|
||||
|
||||
expected_size = sdram_init(sdram_base, &sdram_config);
|
||||
actual_size = get_ram_size(sdram_base, expected_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;
|
||||
}
|
||||
|
||||
int board_early_init_r(void)
|
||||
{
|
||||
gd->bd->bi_phy_id[0] = 0x00;
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CMD_NET
|
||||
int board_eth_init(bd_t *bi)
|
||||
{
|
||||
macb_eth_initialize(0, (void *)ATMEL_BASE_MACB0, bi->bi_phy_id[0]);
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
/* vim: set noet ts=8: */
|
||||
Reference in New Issue
Block a user