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-rw-r--r--board/atmel/atstk1000/Makefile44
-rw-r--r--board/atmel/atstk1000/atstk1000.c52
-rw-r--r--board/atmel/atstk1000/config.mk4
-rw-r--r--board/atmel/atstk1000/flash.c223
-rw-r--r--board/atmel/atstk1000/u-boot.lds77
5 files changed, 400 insertions, 0 deletions
diff --git a/board/atmel/atstk1000/Makefile b/board/atmel/atstk1000/Makefile
new file mode 100644
index 0000000000..155d46ac97
--- /dev/null
+++ b/board/atmel/atstk1000/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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).a
+
+COBJS := $(BOARD).o flash.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/atmel/atstk1000/atstk1000.c b/board/atmel/atstk1000/atstk1000.c
new file mode 100644
index 0000000000..4d737d293a
--- /dev/null
+++ b/board/atmel/atstk1000/atstk1000.c
@@ -0,0 +1,52 @@
+/*
+ * 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>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct sdram_info sdram = {
+ .phys_addr = CFG_SDRAM_BASE,
+ .row_bits = 11,
+ .col_bits = 8,
+ .bank_bits = 2,
+ .cas = 3,
+ .twr = 2,
+ .trc = 7,
+ .trp = 2,
+ .trcd = 2,
+ .tras = 5,
+ .txsr = 5,
+};
+
+void board_init_memories(void)
+{
+ gd->sdram_size = sdram_init(&sdram);
+}
+
+void board_init_info(void)
+{
+ gd->bd->bi_phy_id[0] = 0x10;
+ gd->bd->bi_phy_id[1] = 0x11;
+}
diff --git a/board/atmel/atstk1000/config.mk b/board/atmel/atstk1000/config.mk
new file mode 100644
index 0000000000..ec3618d56a
--- /dev/null
+++ b/board/atmel/atstk1000/config.mk
@@ -0,0 +1,4 @@
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS += --gc-sections
+TEXT_BASE = 0x00000000
+LDSCRIPT = $(obj)board/atmel/atstk1000/u-boot.lds
diff --git a/board/atmel/atstk1000/flash.c b/board/atmel/atstk1000/flash.c
new file mode 100644
index 0000000000..3aebf66ee2
--- /dev/null
+++ b/board/atmel/atstk1000/flash.c
@@ -0,0 +1,223 @@
+/*
+ * 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>
+
+#ifdef CONFIG_ATSTK1000_EXT_FLASH
+#include <asm/cacheflush.h>
+#include <asm/io.h>
+#include <asm/sections.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+flash_info_t flash_info[1];
+
+static void __flashprog flash_identify(uint16_t *flash, flash_info_t *info)
+{
+ unsigned long flags;
+
+ flags = disable_interrupts();
+
+ dcache_flush_unlocked();
+
+ writew(0xaa, flash + 0x555);
+ writew(0x55, flash + 0xaaa);
+ writew(0x90, flash + 0x555);
+ info->flash_id = readl(flash);
+ writew(0xff, flash);
+
+ readw(flash);
+
+ if (flags)
+ enable_interrupts();
+}
+
+unsigned long flash_init(void)
+{
+ unsigned long addr;
+ unsigned int i;
+
+ gd->bd->bi_flashstart = CFG_FLASH_BASE;
+ gd->bd->bi_flashsize = CFG_FLASH_SIZE;
+ gd->bd->bi_flashoffset = __edata_lma - _text;
+
+ flash_info[0].size = CFG_FLASH_SIZE;
+ flash_info[0].sector_count = 135;
+
+ flash_identify(uncached((void *)CFG_FLASH_BASE), &flash_info[0]);
+
+ for (i = 0, addr = 0; i < 8; i++, addr += 0x2000)
+ flash_info[0].start[i] = addr;
+ for (; i < flash_info[0].sector_count; i++, addr += 0x10000)
+ flash_info[0].start[i] = addr;
+
+ return CFG_FLASH_SIZE;
+}
+
+void flash_print_info(flash_info_t *info)
+{
+ printf("Flash: Vendor ID: 0x%02x, Product ID: 0x%02x\n",
+ info->flash_id >> 16, info->flash_id & 0xffff);
+ printf("Size: %ld MB in %d sectors\n",
+ info->size >> 10, info->sector_count);
+}
+
+int __flashprog flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+ unsigned long flags;
+ unsigned long start_time;
+ uint16_t *fb, *sb;
+ unsigned int i;
+ int ret;
+ uint16_t status;
+
+ if ((s_first < 0) || (s_first > s_last)
+ || (s_last >= info->sector_count)) {
+ puts("Error: first and/or last sector out of range\n");
+ return ERR_INVAL;
+ }
+
+ for (i = s_first; i < s_last; i++)
+ if (info->protect[i]) {
+ printf("Error: sector %d is protected\n", i);
+ return ERR_PROTECTED;
+ }
+
+ fb = (uint16_t *)uncached(info->start[0]);
+
+ dcache_flush_unlocked();
+
+ for (i = s_first; (i <= s_last) && !ctrlc(); i++) {
+ printf("Erasing sector %3d...", i);
+
+ sb = (uint16_t *)uncached(info->start[i]);
+
+ flags = disable_interrupts();
+
+ start_time = get_timer(0);
+
+ /* Unlock sector */
+ writew(0xaa, fb + 0x555);
+ writew(0x70, sb);
+
+ /* Erase sector */
+ writew(0xaa, fb + 0x555);
+ writew(0x55, fb + 0xaaa);
+ writew(0x80, fb + 0x555);
+ writew(0xaa, fb + 0x555);
+ writew(0x55, fb + 0xaaa);
+ writew(0x30, sb);
+
+ /* Wait for completion */
+ ret = ERR_OK;
+ do {
+ /* TODO: Timeout */
+ status = readw(sb);
+ } while ((status != 0xffff) && !(status & 0x28));
+
+ writew(0xf0, fb);
+
+ /*
+ * Make sure the command actually makes it to the bus
+ * before we re-enable interrupts.
+ */
+ readw(fb);
+
+ if (flags)
+ enable_interrupts();
+
+ if (status != 0xffff) {
+ printf("Flash erase error at address 0x%p: 0x%02x\n",
+ sb, status);
+ ret = ERR_PROG_ERROR;
+ break;
+ }
+ }
+
+ if (ctrlc())
+ printf("User interrupt!\n");
+
+ return ERR_OK;
+}
+
+int __flashprog write_buff(flash_info_t *info, uchar *src,
+ ulong addr, ulong count)
+{
+ unsigned long flags;
+ uint16_t *base, *p, *s, *end;
+ uint16_t word, status;
+ int ret = ERR_OK;
+
+ if (addr < info->start[0]
+ || (addr + count) > (info->start[0] + info->size)
+ || (addr + count) < addr) {
+ puts("Error: invalid address range\n");
+ return ERR_INVAL;
+ }
+
+ if (addr & 1 || count & 1 || (unsigned int)src & 1) {
+ puts("Error: misaligned source, destination or count\n");
+ return ERR_ALIGN;
+ }
+
+ base = (uint16_t *)uncached(info->start[0]);
+ end = (uint16_t *)uncached(addr + count);
+
+ flags = disable_interrupts();
+
+ dcache_flush_unlocked();
+ sync_write_buffer();
+
+ for (p = (uint16_t *)uncached(addr), s = (uint16_t *)src;
+ p < end && !ctrlc(); p++, s++) {
+ word = *s;
+
+ writew(0xaa, base + 0x555);
+ writew(0x55, base + 0xaaa);
+ writew(0xa0, base + 0x555);
+ writew(word, p);
+
+ sync_write_buffer();
+
+ /* Wait for completion */
+ do {
+ /* TODO: Timeout */
+ status = readw(p);
+ } while ((status != word) && !(status & 0x28));
+
+ writew(0xf0, base);
+ readw(base);
+
+ if (status != word) {
+ printf("Flash write error at address 0x%p: 0x%02x\n",
+ p, status);
+ ret = ERR_PROG_ERROR;
+ break;
+ }
+ }
+
+ if (flags)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif /* CONFIG_ATSTK1000_EXT_FLASH */
diff --git a/board/atmel/atstk1000/u-boot.lds b/board/atmel/atstk1000/u-boot.lds
new file mode 100644
index 0000000000..ef89ea4dfa
--- /dev/null
+++ b/board/atmel/atstk1000/u-boot.lds
@@ -0,0 +1,77 @@
+/* -*- 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 : {
+ *(.text)
+ *(.text.*)
+ }
+
+ . = ALIGN(32);
+ __flashprog_start = .;
+ .flashprog : {
+ *(.flashprog)
+ }
+ . = ALIGN(32);
+ __flashprog_end = .;
+
+ . = ALIGN(8);
+ .rodata : {
+ *(.rodata)
+ *(.rodata.*)
+ }
+ _etext = .;
+
+ __data_lma = ALIGN(8);
+ . = 0x24000000;
+ _data = .;
+ .data : AT(__data_lma) {
+ *(.data)
+ *(.data.*)
+ }
+
+ . = ALIGN(4);
+ __u_boot_cmd_start = .;
+ __u_boot_cmd_lma = __data_lma + (__u_boot_cmd_start - _data);
+ .u_boot_cmd : AT(__u_boot_cmd_lma) {
+ KEEP(*(.u_boot_cmd))
+ }
+ __u_boot_cmd_end = .;
+
+ . = ALIGN(8);
+ _edata = .;
+ __edata_lma = __u_boot_cmd_lma + (_edata - __u_boot_cmd_start);
+
+ .bss : AT(__edata_lma) {
+ *(.bss)
+ *(.bss.*)
+ }
+ . = ALIGN(8);
+ _end = .;
+}
generated by cgit (git 2.34.1) at 2024-11-18 07:19:23 +0000