diff options
Diffstat (limited to 'u-boot/board/atmel/atngw100')
| -rw-r--r-- | u-boot/board/atmel/atngw100/Makefile | 40 | ||||
| -rw-r--r-- | u-boot/board/atmel/atngw100/atngw100.c | 141 | ||||
| -rw-r--r-- | u-boot/board/atmel/atngw100/config.mk | 3 | ||||
| -rw-r--r-- | u-boot/board/atmel/atngw100/u-boot.lds | 72 |
4 files changed, 256 insertions, 0 deletions
diff --git a/u-boot/board/atmel/atngw100/Makefile b/u-boot/board/atmel/atngw100/Makefile new file mode 100644 index 0000000..7fbd20d --- /dev/null +++ b/u-boot/board/atmel/atngw100/Makefile @@ -0,0 +1,40 @@ +# +# 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 $(TOPDIR)/config.mk + +LIB := $(obj)lib$(BOARD).o + +COBJS := $(BOARD).o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/atmel/atngw100/atngw100.c b/u-boot/board/atmel/atngw100/atngw100.c new file mode 100644 index 0000000..49bc03e --- /dev/null +++ b/u-boot/board/atmel/atngw100/atngw100.c @@ -0,0 +1,141 @@ +/* + * Copyright (C) 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> +#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 = { + .data_bits = SDRAM_DATA_16BIT, + .row_bits = 13, + .col_bits = 9, + .bank_bits = 2, + .cas = 3, + .twr = 2, + .trc = 7, + .trp = 2, + .trcd = 2, + .tras = 5, + .txsr = 5, + /* 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(16, 23, 0, PORTMUX_DRIVE_HIGH); + portmux_enable_usart1(PORTMUX_DRIVE_MIN); + +#if defined(CONFIG_MACB) + portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); + portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH); +#endif +#if defined(CONFIG_MMC) + portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW); +#endif +#if defined(CONFIG_ATMEL_SPI) + portmux_enable_spi0(1 << 0, 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] = 0x01; + gd->bd->bi_phy_id[1] = 0x03; + return 0; +} + +#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 + +/* SPI chip select control */ +#ifdef CONFIG_ATMEL_SPI +#include <spi.h> + +#define ATNGW100_DATAFLASH_CS_PIN GPIO_PIN_PA(3) + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 1); +} +#endif /* CONFIG_ATMEL_SPI */ diff --git a/u-boot/board/atmel/atngw100/config.mk b/u-boot/board/atmel/atngw100/config.mk new file mode 100644 index 0000000..ea76d05 --- /dev/null +++ b/u-boot/board/atmel/atngw100/config.mk @@ -0,0 +1,3 @@ +CONFIG_SYS_TEXT_BASE = 0x00000000 +PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections +PLATFORM_LDFLAGS += --gc-sections diff --git a/u-boot/board/atmel/atngw100/u-boot.lds b/u-boot/board/atmel/atngw100/u-boot.lds new file mode 100644 index 0000000..a7243f2 --- /dev/null +++ b/u-boot/board/atmel/atngw100/u-boot.lds @@ -0,0 +1,72 @@ +/* -*- Fundamental -*- + * + * 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 + */ +OUTPUT_FORMAT("elf32-avr32", "elf32-avr32", "elf32-avr32") +OUTPUT_ARCH(avr32) +ENTRY(_start) + +SECTIONS +{ + . = 0; + _text = .; + .text : { + *(.exception.text) + *(.text) + *(.text.*) + } + _etext = .; + + .rodata : { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + . = ALIGN(8); + _data = .; + .data : { + *(.data) + *(.data.*) + } + + . = ALIGN(4); + __u_boot_cmd_start = .; + .u_boot_cmd : { + KEEP(*(.u_boot_cmd)) + } + __u_boot_cmd_end = .; + + . = ALIGN(4); + _got = .; + .got : { + *(.got) + } + _egot = .; + + . = ALIGN(8); + _edata = .; + + .bss : { + *(.bss) + *(.bss.*) + } + . = ALIGN(8); + _end = .; +} |