[U-Boot] [PATCH v2 9/9] AVR32: Board support for ATEVK1100

Gunnar Rangoy
2009-01-23T11:56:34Z

This patch adds support for the ATEVK1100 evaluation kit, which contains
an AT32UC3A0512ES chip.

Signed-off-by: Gunnar Rangoy <gunnar@rangoy.com>
Signed-off-by: Paul Driveklepp <pauldriveklepp@gmail.com>
Signed-off-by: Olav Morken <olavmrk@gmail.com>
---
MAINTAINERS | 1 +
MAKEALL | 1 +
Makefile | 3 +
board/atmel/atevk1100/Makefile | 44 ++++++++
board/atmel/atevk1100/atevk1100.c | 122 ++++++++++++++++++++++
board/atmel/atevk1100/config.mk | 4 +
board/atmel/atevk1100/u-boot.lds | 73 +++++++++++++
include/configs/atevk1100.h | 207 +++++++++++++++++++++++++++++++++++++
8 files changed, 455 insertions(+), 0 deletions(-)
create mode 100644 board/atmel/atevk1100/Makefile
create mode 100644 board/atmel/atevk1100/atevk1100.c
create mode 100644 board/atmel/atevk1100/config.mk
create mode 100644 board/atmel/atevk1100/u-boot.lds
create mode 100644 include/configs/atevk1100.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 9c0d6bf..d83b580 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -747,6 +747,7 @@ Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
ATSTK1004 AT32AP7002
ATSTK1006 AT32AP7000
ATNGW100 AT32AP7000
+ ATEVK1100 AT32UC3A0512

#########################################################################
# SuperH Systems: #
diff --git a/MAKEALL b/MAKEALL
index 9ccb9ac..cd33214 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -720,6 +720,7 @@ LIST_coldfire=" \
#########################################################################

LIST_avr32=" \
+ atevk1100 \
atstk1002 \
atstk1003 \
atstk1004 \
diff --git a/Makefile b/Makefile
index 58b8331..d9fbc6e 100644
--- a/Makefile
+++ b/Makefile
@@ -3047,6 +3047,9 @@ $(BFIN_BOARDS):
# AVR32
#========================================================================

+atevk1100_config : unconfig
+ @$(MKCONFIG) $(@:_config=) avr32 at32uc atevk1100 atmel at32uc3a0xxx
+
atngw100_config : unconfig
@$(MKCONFIG) $(@:_config=) avr32 at32ap atngw100 atmel at32ap700x

diff --git a/board/atmel/atevk1100/Makefile b/board/atmel/atevk1100/Makefile
new file mode 100644
index 0000000..b5ba79f
--- /dev/null
+++ b/board/atmel/atevk1100/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd at 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
+
+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/atevk1100/atevk1100.c b/board/atmel/atevk1100/atevk1100.c
new file mode 100644
index 0000000..d2d7893
--- /dev/null
+++ b/board/atmel/atevk1100/atevk1100.c
@@ -0,0 +1,122 @@
+/*
+ * 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/sram.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/hmatrix.h>
+#include <asm/arch/portmux.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct sram_config sram_config = {
+ /* 2x16MBit, CY7C1069AV33-10ZXC */
+ .data_bits = 16,
+ .address_bits = 21,
+ .ncs_rd_setup = 0,
+ .ncs_wr_setup = 0,
+ .nwe_setup = 0,
+ .nrd_setup = 0,
+ /*
+ * These settings works when running at 33Mhz,
+ * but fails at 54MHz
+ */
+
+ /*
+ .ncs_wr_pulse = 1,
+ .ncs_rd_pulse = 1,
+ .nwe_pulse = 1,
+ .nrd_pulse = 1,
+ .nwe_cycle = 2,
+ .nrd_cycle = 2,
+ */
+ .ncs_wr_pulse = 2,
+ .ncs_rd_pulse = 2,
+ .nwe_pulse = 2,
+ .nrd_pulse = 2,
+ .nwe_cycle = 3,
+ .nrd_cycle = 3,
+ .chip_select = 2,
+ .read_mode = 1,
+ .write_mode = 1,
+ .exnw_mode = 0,
+ .bat = 1,
+ .tdf_cycles = 0,
+ .tdf_mode = 0,
+ .pmen = 0,
+ .ps = 1,
+
+};
+int board_early_init_f(void)
+{
+ /* Enable SDRAM in the EBI mux according to AP7000 datasheet */
+ hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
+
+ /* 16 bit data, 24 bit address */
+ portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH);
+ portmux_enable_usart0(PORTMUX_DRIVE_MIN);
+#if defined(CONFIG_MACB)
+ portmux_enable_macb(0, PORTMUX_DRIVE_HIGH);
+#endif
+
+ return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+ unsigned long expected_size;
+ unsigned long actual_size;
+ void *sram_base;
+
+ sram_base = map_physmem(EBI_SRAM_CS2_BASE, EBI_SRAM_CS2_SIZE,
+ MAP_NOCACHE);
+
+ expected_size = sram_init(&sram_config);
+ actual_size = get_ram_size(sram_base, expected_size);
+
+ unmap_physmem(sram_base, EBI_SRAM_CS2_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)
+{
+ /*
+ * Physical address of phy. This is not used when the address is
+ * autodetected. See CONFIG_MACB_SEARCH_PHY.
+ */
+ gd->bd->bi_phy_id[0] = 0xff;
+ return 0;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bi)
+{
+ macb_eth_initialize(0, (void *)MACB_BASE, bi->bi_phy_id[0]);
+ return 0;
+}
+#endif
diff --git a/board/atmel/atevk1100/config.mk b/board/atmel/atevk1100/config.mk
new file mode 100644
index 0000000..ca23f88
--- /dev/null
+++ b/board/atmel/atevk1100/config.mk
@@ -0,0 +1,4 @@
+PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
+PLATFORM_LDFLAGS += --gc-sections
+TEXT_BASE = 0x80000000
+LDSCRIPT = $(obj)board/atmel/atevk1100/u-boot.lds
diff --git a/board/atmel/atevk1100/u-boot.lds b/board/atmel/atevk1100/u-boot.lds
new file mode 100644
index 0000000..1c09641
--- /dev/null
+++ b/board/atmel/atevk1100/u-boot.lds
@@ -0,0 +1,73 @@
+/* -*- 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
+{
+ . = 0x80000000;
+ _text = .;
+ .text : {
+ *(.exception.text)
+ *(.text)
+ *(.text.*)
+ }
+ _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 (NOLOAD) : {
+ *(.bss)
+ *(.bss.*)
+ }
+ . = ALIGN(8);
+ _end = .;
+}
diff --git a/include/configs/atevk1100.h b/include/configs/atevk1100.h
new file mode 100644
index 0000000..e6e4746
--- /dev/null
+++ b/include/configs/atevk1100.h
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * Configuration settings for the ATEVK1100 evaluation kit
+ *
+ * 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
+
+#include <asm/arch/memory-map.h>
+
+#define CONFIG_AVR32 1
+#define CONFIG_AT32UC 1
+#define CONFIG_AT32UC3A0xxx 1
+#define CONFIG_ATEVK1100 1
+
+/*
+ * Timer clock frequency. We're using the CPU-internal COUNT register
+ * for this, so this is equivalent to the CPU core clock frequency
+ */
+#define CFG_HZ 1000
+
+/*
+ * Set up the PLL to run at 132 MHz, and the CPU, PBA and PBB to run at PLL/2.
+ * fVCO = (CFG_OSC0_HZ * CFG_PLL0_MUL) / CFG_PLL0_DIV
+ * fPLL = fVCO / ((CFG_PLL0_OPT & 0x2) ? 2 : 1)
+ */
+#define CONFIG_PLL 1
+#define CFG_POWER_MANAGER 1
+#define CFG_OSC0_HZ 12000000
+#define CFG_PLL0_DIV 1
+#define CFG_PLL0_MUL 11
+#define CFG_PLL0_SUPPRESS_CYCLES 64
+/*
+ * Set the CPU running at:
+ * PLL / (2^CFG_CLKDIV_CPU) = CPU MHz
+ */
+#define CFG_CLKDIV_CPU 1
+/*
+ * Set the PBA running at:
+ * PLL / (2^CFG_CLKDIV_PBA) = PBA MHz
+ * On the atuc3a0512es, the maximum clock rate of PBA is 33 MHz.
+ */
+#define CFG_CLKDIV_PBA 1
+/*
+ * Set the PBB running at:
+ * PLL / (2^CFG_CLKDIV_PBB) = PBB MHz
+ */
+#define CFG_CLKDIV_PBB 1
+
+
+/*
+ * The PLLOPT register controls the PLL like this:
+ *
+ * Select the operating range for the PLL.
+ * PLLOPT[0]: Select the VCO frequency range.
+ * PLLOPT[1]: Enable the extra output divider.
+ * PLLOPT[2]: Disable the Wide-Bandwidth mode (Wide-Bandwidth mode allows a
+ * faster startup time and out-of-lock time).
+ *
+ * We want to run the cpu at 66 MHz, and the fVCO of the PLL at 132 MHz.
+ */
+#define CFG_PLL0_OPT 0x03
+
+
+#define CONFIG_USART0 1
+#undef CONFIG_USART1
+#undef CONFIG_USART2
+#undef CONFIG_USART3
+
+/* 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 ip=dhcp root=/dev/nfs rootwait=1"
+
+#define CONFIG_BOOTCOMMAND \
+ "dhcp; bootm $(fileaddr)"
+
+/*
+ * 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", bootdelay
+#define CONFIG_AUTOBOOT_DELAY_STR "d"
+#define CONFIG_AUTOBOOT_STOP_STR " "
+
+/*
+ * After booting the board for the first time, new ethernet addresses
+ * should be generated and assigned to the environment variables
+ * "ethaddr" and "eth1addr". 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
+
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+
+#undef CONFIG_CMD_AUTOSCRIPT
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+#undef CONFIG_CMD_XIMG
+
+/* Ethernet - RMII mode */
+#define CONFIG_MACB 1
+#define CONFIG_RMII 1
+/*
+ * 100Mbps requires a CPU clock of at least 50MHz for RMII mode, and 25MHz for
+ * MII mode. Set CONFIG_MACB_FORCE10M flag if clock is too slow for 100Mbit.
+ */
+#define CONFIG_MACB_FORCE10M 1
+/*
+ * On this board, the PHY can be found at different addresses (eiter 1 or 7).
+ */
+#define CONFIG_MACB_SEARCH_PHY 1
+
+#define CONFIG_ATMEL_USART 1
+#define CONFIG_ATMEL_SPI 1
+#define CONFIG_PORTMUX_GPIO 1
+#define CFG_NR_PIOS 5
+#define CFG_SDRAMC 0
+#define CFG_SMC 1
+
+#define CFG_DCACHE_LINESZ 32
+#define CFG_ICACHE_LINESZ 32
+
+#define CONFIG_NR_DRAM_BANKS 1
+
+/* Internal flash on the microcontroller (512kB)*/
+#define CFG_FLASH_BASE 0x80000000
+#define CFG_FLASH_SIZE 0x80000
+#define CFG_MAX_FLASH_BANKS 1
+#define CFG_MAX_FLASH_SECT 1024
+
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+
+#define CFG_INTRAM_BASE INTERNAL_SRAM_BASE
+#define CFG_INTRAM_SIZE INTERNAL_SRAM_SIZE
+/* Not really SDRAM, maybe change to SRAM? */
+#define CFG_SDRAM_BASE EBI_SRAM_CS2_BASE
+
+#define CONFIG_ENV_IS_IN_FLASH 1
+#define CONFIG_ENV_SIZE 65536
+#define CONFIG_ENV_ADDR (CFG_FLASH_BASE + CFG_FLASH_SIZE - \
+ CONFIG_ENV_SIZE)
+
+#define CFG_INIT_SP_ADDR (CFG_INTRAM_BASE + CFG_INTRAM_SIZE)
+
+#define CFG_MALLOC_LEN (256*1024)
+#define CFG_DMA_ALLOC_LEN (16384)
+
+/* Allow 2.5MB for the kernel run-time image */
+#define CFG_LOAD_ADDR (CFG_SDRAM_BASE + 0x00270000)
+#define CFG_BOOTPARAMS_LEN (16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that often */
+#define CFG_PROMPT "U-Boot> "
+#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 + 0x700000)
+#define CFG_BAUDRATE_TABLE { 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __CONFIG_H */
--
1.6.0.4