[U-Boot-Users] [PATCH] Add support for new AVR32 board
Alex
mailinglist at miromico.ch
Mon Mar 10 11:35:51 CET 2008
Hi
This patch adds support for our new AVR32 based board.
diff -Nur old/u-boot-1.3.0/board/miromico/hammerhead/config.mk
new/u-boot-1.3.0/board/miromico/hammerhead/config.mk
--- old/u-boot-1.3.0/board/miromico/hammerhead/config.mk 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/config.mk 2008-03-10
11:18:50.000000000 +0100
@@ -0,0 +1,3 @@
+TEXT_BASE = 0x00000000
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS += --gc-sections
diff -Nur old/u-boot-1.3.0/board/miromico/hammerhead/eth.c
new/u-boot-1.3.0/board/miromico/hammerhead/eth.c
--- old/u-boot-1.3.0/board/miromico/hammerhead/eth.c 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/eth.c 2008-03-10
11:18:50.000000000 +0100
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * Ethernet initialization for the AVR32 on Hammerhead
+ *
+ * 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/arch/memory-map.h>
+
+extern int macb_eth_initialize(int id, void *regs, unsigned int phy_addr);
+
+#ifdef CONFIG_CMD_NET
+void hammerhead_eth_initialize(bd_t *bi)
+{
+ macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
+}
+#endif
diff -Nur old/u-boot-1.3.0/board/miromico/hammerhead/flash.c
new/u-boot-1.3.0/board/miromico/hammerhead/flash.c
--- old/u-boot-1.3.0/board/miromico/hammerhead/flash.c 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/flash.c 2008-03-10
11:18:50.000000000 +0100
@@ -0,0 +1,232 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * 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_HAMMERHEAD_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;
+
+ 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, status1;
+ 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 */
+ status1 = readw(p);
+ do {
+ /* TODO: Timeout */
+ status = status1;
+ status1 = readw(p);
+ } while (((status ^ status1) & 0x40) /* toggled */
+ && !(status1 & 0x28)); /* error bits */
+
+ /*
+ * We'll need to check once again for toggle bit
+ * because the toggle bit may stop toggling as I/O5
+ * changes to "1" (ref at49bv642.pdf p9)
+ */
+ status1 = readw(p);
+ status = readw(p);
+ if ((status ^ status1) & 0x40) {
+ printf("Flash write error at address 0x%p: "
+ "0x%02x != 0x%02x\n",
+ p, status,word);
+ ret = ERR_PROG_ERROR;
+ writew(0xf0, base);
+ readw(base);
+ break;
+ }
+
+ writew(0xf0, base);
+ readw(base);
+ }
+
+ if (flags)
+ enable_interrupts();
+
+ return ret;
+}
+
+#endif /* CONFIG_HAMMERHEAD_EXT_FLASH */
diff -Nur old/u-boot-1.3.0/board/miromico/hammerhead/hammerhead.c
new/u-boot-1.3.0/board/miromico/hammerhead/hammerhead.c
--- old/u-boot-1.3.0/board/miromico/hammerhead/hammerhead.c
1970-01-01 01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/hammerhead.c
2008-03-10 11:18:50.000000000 +0100
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2008 Miromico AG
+ *
+ * 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/gpio.h>
+#include <asm/arch/hmatrix2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct sdram_info sdram = {
+ .phys_addr = CFG_SDRAM_BASE,
+ .row_bits = 13,
+ .col_bits = 9,
+ .bank_bits = 2,
+ .cas = 3,
+ .twr = 2,
+ .trc = 7,
+ .trp = 2,
+ .trcd = 2,
+ .tras = 5,
+ .txsr = 5,
+};
+
+int board_early_init_f(void)
+{
+ /* Set the SDRAM_ENABLE bit in the HEBI SFR */
+ hmatrix2_writel(SFR4, 1 << 1);
+
+ gpio_enable_ebi();
+ gpio_enable_usart1();
+
+#if defined(CONFIG_MACB)
+ gpio_enable_macb0();
+#endif
+#if defined(CONFIG_MMC)
+ gpio_enable_mmci();
+#endif
+
+#ifdef CONFIG_HAMMERHEAD
+ /* Select GCLK3 as periph. We'll need it as clock
+ output for ethernet PHY */
+ gpio_enable_gclk3();
+#endif
+
+ return 0;
+}
+
+long int initdram(int board_type)
+{
+ return sdram_init(&sdram);
+}
+
+void board_init_info(void)
+{
+ gd->bd->bi_phy_id[0] = 0x01;
+}
diff -Nur old/u-boot-1.3.0/board/miromico/hammerhead/Makefile
new/u-boot-1.3.0/board/miromico/hammerhead/Makefile
--- old/u-boot-1.3.0/board/miromico/hammerhead/Makefile 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/Makefile 2008-03-10
11:18:50.000000000 +0100
@@ -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).a
+
+COBJS := $(BOARD).o flash.o eth.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 -Nur old/u-boot-1.3.0/board/miromico/hammerhead/u-boot.lds
new/u-boot-1.3.0/board/miromico/hammerhead/u-boot.lds
--- old/u-boot-1.3.0/board/miromico/hammerhead/u-boot.lds 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/board/miromico/hammerhead/u-boot.lds 2008-03-10
11:18:50.000000000 +0100
@@ -0,0 +1,80 @@
+/* -*- 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 = .;
+ _etext = .;
+
+ .rodata : {
+ *(.rodata)
+ *(.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 = .;
+}
diff -Nur old/u-boot-1.3.0/cpu/at32ap/at32ap700x/gpio.c
new/u-boot-1.3.0/cpu/at32ap/at32ap700x/gpio.c
--- old/u-boot-1.3.0/cpu/at32ap/at32ap700x/gpio.c 2008-03-06
07:56:03.000000000 +0100
+++ new/u-boot-1.3.0/cpu/at32ap/at32ap700x/gpio.c 2008-03-10
11:18:51.000000000 +0100
@@ -142,3 +142,14 @@
gpio_select_periph_A(GPIO_PIN_PA15, 0); /* DATA3 */
}
#endif
+
+#ifdef CONFIG_HAMMERHEAD
+/*
+ * Hammerhead board uses GCLK3 (Periph A on PB29) as 25MHz clock output
+ * for ethernet PHY.
+ */
+void gpio_enable_gclk3(void)
+{
+ gpio_select_periph_A(GPIO_PIN_PB29, 0); /* GCLK3 */
+}
+#endif
diff -Nur old/u-boot-1.3.0/cpu/at32ap/cpu.c
new/u-boot-1.3.0/cpu/at32ap/cpu.c
--- old/u-boot-1.3.0/cpu/at32ap/cpu.c 2007-11-19 22:20:24.000000000 +0100
+++ new/u-boot-1.3.0/cpu/at32ap/cpu.c 2008-03-10 11:18:51.000000000 +0100
@@ -81,6 +81,16 @@
#endif
}
+#ifdef CONFIG_HAMMERHEAD
+static void gclk_init(void)
+{
+ /* Hammerhead boards uses GCLK3 as 25MHz output to ethernet PHY */
+
+ /* Enable GCLK3 with no input divider, from OSC0 (crystal) */
+ sm_writel( PM_GCCTRL3, SM_BIT(CEN) );
+}
+#endif
+
int cpu_init(void)
{
extern void _evba(void);
@@ -105,6 +115,10 @@
p += CFG_ICACHE_LINESZ)
asm volatile("cache %0, 0x02" : "=m"(*p) :: "memory");
+#ifdef CONFIG_HAMMERHEAD
+ gclk_init();
+#endif
+
return 0;
}
diff -Nur old/u-boot-1.3.0/cpu/at32ap/sm.h new/u-boot-1.3.0/cpu/at32ap/sm.h
--- old/u-boot-1.3.0/cpu/at32ap/sm.h 2007-11-19 22:20:24.000000000 +0100
+++ new/u-boot-1.3.0/cpu/at32ap/sm.h 2008-03-10 11:18:51.000000000 +0100
@@ -21,7 +21,15 @@
#define SM_PM_IMR 0x0048
#define SM_PM_ISR 0x004c
#define SM_PM_ICR 0x0050
-#define SM_PM_GCCTRL 0x0060
+#define SM_PM_GCCTRL0 0x0060
+#define SM_PM_GCCTRL1 0x0064
+#define SM_PM_GCCTRL2 0x0068
+#define SM_PM_GCCTRL3 0x006c
+#define SM_PM_GCCTRL4 0x0070
+#define SM_PM_GCCTRL5 0x0074
+#define SM_PM_GCCTRL6 0x0078
+#define SM_PM_GCCTRL7 0x007c
+
#define SM_RTC_CTRL 0x0080
#define SM_RTC_VAL 0x0084
#define SM_RTC_TOP 0x0088
diff -Nur old/u-boot-1.3.0/include/asm-avr32/arch-at32ap700x/gpio.h
new/u-boot-1.3.0/include/asm-avr32/arch-at32ap700x/gpio.h
--- old/u-boot-1.3.0/include/asm-avr32/arch-at32ap700x/gpio.h
2008-03-06 07:56:04.000000000 +0100
+++ new/u-boot-1.3.0/include/asm-avr32/arch-at32ap700x/gpio.h
2008-03-10 11:18:50.000000000 +0100
@@ -217,4 +217,8 @@
void gpio_enable_mmci(void);
#endif
+#ifdef CONFIG_HAMMERHEAD
+void gpio_enable_gclk3(void);
+#endif
+
#endif /* __ASM_AVR32_ARCH_GPIO_H__ */
diff -Nur old/u-boot-1.3.0/include/configs/hammerhead.h
new/u-boot-1.3.0/include/configs/hammerhead.h
--- old/u-boot-1.3.0/include/configs/hammerhead.h 1970-01-01
01:00:00.000000000 +0100
+++ new/u-boot-1.3.0/include/configs/hammerhead.h 2008-03-10
11:18:50.000000000 +0100
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Configuration settings for the AVR32 Network Gateway
+ *
+ * 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
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_AVR32 1
+#define CONFIG_AT32AP 1
+#define CONFIG_AT32AP7000 1
+#define CONFIG_HAMMERHEAD 1
+
+#define CONFIG_HAMMERHEAD_EXT_FLASH 1
+
+#define CFG_HZ 1000
+
+/*
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB busses to run at 1/2 the PLL frequency
+ * and the PBA bus to run at 1/4 the PLL frequency.
+ */
+#define CONFIG_PLL 1
+#define CFG_POWER_MANAGER 1
+#define CFG_OSC0_HZ 25000000 /* 25MHz crystal */
+#define CFG_PLL0_DIV 1
+#define CFG_PLL0_MUL 5
+#define CFG_PLL0_SUPPRESS_CYCLES 16
+#define CFG_CLKDIV_CPU 0
+#define CFG_CLKDIV_HSB 1
+#define CFG_CLKDIV_PBA 2
+#define CFG_CLKDIV_PBB 1
+
+/*
+ * The PLLOPT register controls the PLL like this:
+ * icp = PLLOPT<2>
+ * ivco = PLLOPT<1:0>
+ *
+ * We want icp=1 (default) and ivco=0 (80-160 MHz) or ivco=2 (150-240MHz).
+ */
+#define CFG_PLL0_OPT 0x04
+
+#define CONFIG_USART1 1
+
+/* User serviceable stuff */
+#define CONFIG_DOS_PARTITION 1
+
+#define CONFIG_CMDLINE_TAG 1
+#define CONFIG_SETUP_MEMORY_TAGS 1
+#define CONFIG_INITRD_TAG 1
+
+#define CONFIG_STACKSIZE (2048)
+
+#define CONFIG_BAUDRATE 115200
+#define CONFIG_BOOTARGS \
+ "console=ttyS0 root=/dev/mtdblock1 rootfstype=jffs2"
+#define CONFIG_BOOTCOMMAND \
+ "fsload; bootm"
+
+/*
+ * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
+ * data on the serial line may interrupt the boot sequence.
+ */
+#define CONFIG_BOOTDELAY 1
+#define CONFIG_AUTOBOOT 1
+#define CONFIG_AUTOBOOT_KEYED 1
+#define CONFIG_AUTOBOOT_PROMPT \
+ "Press SPACE to abort autoboot in %d seconds\n"
+#define CONFIG_AUTOBOOT_DELAY_STR "d"
+#define CONFIG_AUTOBOOT_STOP_STR " "
+
+/*
+ * After booting the board for the first time, new ethernet addresse
+ * should be generated and assigned to the environment variables
+ * "ethaddr". This is normally done during production.
+ */
+#define CONFIG_OVERWRITE_ETHADDR_ONCE 1
+#define CONFIG_NET_MULTI 1
+
+/*
+ * BOOTP/DHCP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+
+#define CONFIG_DOS_PARTITION 1
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_EXT2
+#define CONFIG_CMD_FAT
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_MMC
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+
+#define CONFIG_ATMEL_USART 1
+#define CONFIG_MACB 1
+#define CONFIG_PIO2 1
+#define CFG_NR_PIOS 5
+#define CFG_HSDRAMC 1
+#define CONFIG_MMC 1
+
+#define CFG_DCACHE_LINESZ 32
+#define CFG_ICACHE_LINESZ 32
+
+#define CONFIG_NR_DRAM_BANKS 1
+
+#define CFG_FLASH_BASE 0x00000000
+#define CFG_FLASH_SIZE 0x800000
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MAX_FLASH_SECT 135
+
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+
+#define CFG_INTRAM_BASE 0x24000000
+#define CFG_INTRAM_SIZE 0x8000
+
+#define CFG_SDRAM_BASE 0x10000000
+
+#define CFG_ENV_IS_IN_FLASH 1
+#define CFG_ENV_SIZE 65536
+#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_FLASH_SIZE -
CFG_ENV_SIZE)
+
+#define CFG_INIT_SP_ADDR (CFG_INTRAM_BASE + CFG_INTRAM_SIZE)
+
+#define CFG_MALLOC_LEN (256*1024)
+#define CFG_MALLOC_END \
+ ({ \
+ DECLARE_GLOBAL_DATA_PTR; \
+ CFG_SDRAM_BASE + gd->sdram_size; \
+ })
+#define CFG_MALLOC_START (CFG_MALLOC_END - CFG_MALLOC_LEN)
+
+#define CFG_DMA_ALLOC_LEN (16384)
+
+/* Allow 4MB for the kernel run-time image */
+#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 0x00400000)
+#define CFG_BOOTPARAMS_LEN (16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that
often */
+#define CFG_PROMPT "Uboot> "
+#define CFG_CBSIZE 256
+#define CFG_MAXARGS 16
+#define CFG_PBSIZE (CFG_CBSIZE + sizeof(CFG_PROMPT) + 16)
+#define CFG_LONGHELP 1
+
+#define CFG_MEMTEST_START CFG_SDRAM_BASE
+#define CFG_MEMTEST_END (CFG_MEMTEST_START + 0x1f00000)
+
+#define CFG_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __CONFIG_H */
+
+/* Add a wrapper around the values Buildroot sets. */
+#ifndef __BR2_ADDED_CONFIG_H
+#define __BR2_ADDED_CONFIG_H
+#define CONFIG_HOSTNAME hammerhead
+#undef CONFIG_BOOTARGS
+#define CONFIG_BOOTARGS "console=ttyS0 root=/dev/mtdblock1
rootfstype=jffs2"
+#undef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND "fsload 0x90300000 /boot/uImage; bootm"
+#endif /* __BR2_ADDED_CONFIG_H */
diff -Nur old/u-boot-1.3.0/MAINTAINERS new/u-boot-1.3.0/MAINTAINERS
--- old/u-boot-1.3.0/MAINTAINERS 2008-03-06 07:56:03.000000000 +0100
+++ new/u-boot-1.3.0/MAINTAINERS 2008-03-10 11:18:50.000000000 +0100
@@ -636,6 +636,9 @@
ATSTK1004 AT32AP7002
ATNGW100 AT32AP7000
+Alex Raimondi <alex.raimondi at miromico.ch>
+ HAMMERHEAD AT32AP7000
+
#########################################################################
# End of MAINTAINERS list #
#########################################################################
diff -Nur old/u-boot-1.3.0/MAKEALL new/u-boot-1.3.0/MAKEALL
--- old/u-boot-1.3.0/MAKEALL 2008-03-06 07:56:03.000000000 +0100
+++ new/u-boot-1.3.0/MAKEALL 2008-03-10 11:18:50.000000000 +0100
@@ -644,6 +644,7 @@
atstk1003 \
atstk1004 \
atngw100 \
+ hammerhead \
"
#########################################################################
diff -Nur old/u-boot-1.3.0/Makefile new/u-boot-1.3.0/Makefile
--- old/u-boot-1.3.0/Makefile 2008-03-06 07:56:03.000000000 +0100
+++ new/u-boot-1.3.0/Makefile 2008-03-10 11:18:50.000000000 +0100
@@ -2618,6 +2618,9 @@
atngw100_config : unconfig
@$(MKCONFIG) $(@:_config=) avr32 at32ap atngw100 atmel at32ap700x
+hammerhead_config : unconfig
+ @$(MKCONFIG) $(@:_config=) avr32 at32ap hammerhead miromico at32ap700x
+
#########################################################################
#########################################################################
#########################################################################
diff -Nur old/u-boot-1.3.0/net/eth.c new/u-boot-1.3.0/net/eth.c
--- old/u-boot-1.3.0/net/eth.c 2008-03-06 07:56:04.000000000 +0100
+++ new/u-boot-1.3.0/net/eth.c 2008-03-10 11:18:50.000000000 +0100
@@ -61,6 +61,7 @@
extern int bfin_EMAC_initialize(bd_t *);
extern int atstk1000_eth_initialize(bd_t *);
extern int atngw100_eth_initialize(bd_t *);
+extern int hammerhead_eth_initialize(bd_t *);
extern int mcffec_initialize(bd_t*);
static struct eth_device *eth_devices, *eth_current;
@@ -258,6 +259,9 @@
#if defined(CONFIG_ATNGW100)
atngw100_eth_initialize(bis);
#endif
+#if defined(CONFIG_HAMMERHEAD)
+ hammerhead_eth_initialize(bis);
+#endif
#if defined(CONFIG_MCFFEC)
mcffec_initialize(bis);
#endif
@@ -522,6 +526,7 @@
extern int mcf52x2_miiphy_initialize(bd_t *bis);
extern int ns7520_miiphy_initialize(bd_t *bis);
extern int dm644x_eth_miiphy_initialize(bd_t *bis);
+extern int hammerhead_eth_initialize(bd_t *);
int eth_initialize(bd_t *bis)
@@ -546,6 +551,9 @@
#if defined(CONFIG_DRIVER_TI_EMAC)
dm644x_eth_miiphy_initialize(bis);
#endif
+#if defined(CONFIG_HAMMERHEAD)
+ hammerhead_eth_initialize(bis);
+#endif
return 0;
}
#endif
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