[U-Boot] [PATCH] avr32: add grasshopper (ICnova AP7000) board

* [U-Boot] [PATCH] avr32: add grasshopper (ICnova AP7000) board
@ 2011-06-28 13:14 Andreas Bießmann
  2011-06-30  8:36 ` Reinhard Meyer
  2011-06-30 10:03 ` [U-Boot] [PATCH v2] " Andreas Bießmann
  0 siblings, 2 replies; 12+ messages in thread
From: Andreas Bießmann @ 2011-06-28 13:14 UTC (permalink / raw)
  To: u-boot

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 Bie?mann <biessmann@corscience.de>
---
 board/in-circuit/grasshopper/Makefile      |   45 +++++++
 board/in-circuit/grasshopper/grasshopper.c |  105 +++++++++++++++
 boards.cfg                                 |    1 +
 include/configs/grasshopper.h              |  197 ++++++++++++++++++++++++++++
 4 files changed, 348 insertions(+), 0 deletions(-)
 create mode 100644 board/in-circuit/grasshopper/Makefile
 create mode 100644 board/in-circuit/grasshopper/grasshopper.c
 create mode 100644 include/configs/grasshopper.h

diff --git a/board/in-circuit/grasshopper/Makefile b/board/in-circuit/grasshopper/Makefile
new file mode 100644
index 0000000..a6c36c7
--- /dev/null
+++ b/board/in-circuit/grasshopper/Makefile
@@ -0,0 +1,45 @@
+#
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# Copyright (C) 2011
+# Corscience GmbH & Co.KG, Andreas Bie?mann <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
+
+#########################################################################
diff --git a/board/in-circuit/grasshopper/grasshopper.c b/board/in-circuit/grasshopper/grasshopper.c
new file mode 100644
index 0000000..d020c29
--- /dev/null
+++ b/board/in-circuit/grasshopper/grasshopper.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co.KG, Andreas Bie?mann <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;
+}
+
+#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
diff --git a/boards.cfg b/boards.cfg
index dfefc3f..839441a 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -209,6 +209,7 @@ atstk1003                    avr32       at32ap      atstk1000           atmel
 atstk1004                    avr32       at32ap      atstk1000           atmel          at32ap700x
 atstk1006                    avr32       at32ap      atstk1000           atmel          at32ap700x
 favr-32-ezkit                avr32       at32ap      -                   earthlcd       at32ap700x
+grasshopper                  avr32       at32ap      -                   in-circuit     at32ap700x
 mimc200                      avr32       at32ap      -                   mimc           at32ap700x
 hammerhead                   avr32       at32ap      -                   miromico       at32ap700x
 bct-brettl2                  blackfin    blackfin
diff --git a/include/configs/grasshopper.h b/include/configs/grasshopper.h
new file mode 100644
index 0000000..989d506
--- /dev/null
+++ b/include/configs/grasshopper.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2011
+ * Corscience GmbH & Co.KG, Andreas Bie?mann <biessmann@corscience.de>
+ *
+ * Configuration settings for the grasshopper (ICnova AP7000) board
+ *
+ * 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 __GRASSHOPPER_CONFIG_H
+#define __GRASSHOPPER_CONFIG_H
+
+#include <asm/arch/hardware.h>
+
+#define CONFIG_AVR32
+#define CONFIG_AT32AP
+#define CONFIG_AT32AP7000
+
+/*
+ * Timer clock frequency. We're using the CPU-internal COUNT register
+ * for this, so this is equivalent to the CPU core clock frequency
+ */
+#define CONFIG_SYS_HZ                   1000
+
+/*
+ * Set up the PLL to run at 140 MHz, the CPU to run at the PLL
+ * frequency, the HSB and PBB at 1/2, and the PBA to run at 1/4 the
+ * PLL frequency.
+ * (CONFIG_SYS_OSC0_HZ * CONFIG_SYS_PLL0_MUL) / CONFIG_SYS_PLL0_DIV = PLL MHz
+ */
+#define CONFIG_PLL
+#define CONFIG_SYS_POWER_MANAGER
+#define CONFIG_SYS_OSC0_HZ              20000000
+#define CONFIG_SYS_PLL0_DIV             1
+#define CONFIG_SYS_PLL0_MUL             7
+#define CONFIG_SYS_PLL0_SUPPRESS_CYCLES 16
+/*
+ * Set the CPU running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_CPU) = CPU MHz
+ */
+#define CONFIG_SYS_CLKDIV_CPU           0
+/*
+ * Set the HSB running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_HSB) = HSB MHz
+ */
+#define CONFIG_SYS_CLKDIV_HSB           1
+/*
+ * Set the PBA running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_PBA) = PBA MHz
+ */
+#define CONFIG_SYS_CLKDIV_PBA           2
+/*
+ * Set the PBB running at:
+ * PLL / (2^CONFIG_SYS_CLKDIV_PBB) = PBB MHz
+ */
+#define CONFIG_SYS_CLKDIV_PBB           1
+
+/* Reserve VM regions for SDRAM and NOR flash */
+#define CONFIG_SYS_NR_VM_REGIONS        2
+
+/*
+ * 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 CONFIG_SYS_PLL0_OPT             0x04
+
+#define CONFIG_USART_BASE               ATMEL_BASE_USART1
+#define CONFIG_USART_ID                 1
+
+/* User serviceable stuff */
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+#define CONFIG_STACKSIZE                (2048)
+
+#define CONFIG_BAUDRATE                 115200
+
+/*
+ * 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
+#define CONFIG_AUTOBOOT_KEYED
+#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". This is normally done during production.
+ */
+#define CONFIG_OVERWRITE_ETHADDR_ONCE
+#define CONFIG_NET_MULTI
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_SUBNETMASK
+#define CONFIG_BOOTP_GATEWAY
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+
+/* remove unneeded commands */
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_SETGETDCR
+
+/* add useful commands */
+#define CONFIG_CMD_ASKENV
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_JFFS2
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_REGINFO
+
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_PROMPT_HUSH_PS2      "~> "
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_ATMEL_USART
+#define CONFIG_MACB
+#define CONFIG_PORTMUX_PIO
+#define CONFIG_SYS_NR_PIOS              5
+#define CONFIG_SYS_HSDRAMC
+
+#define CONFIG_SYS_DCACHE_LINESZ        32
+#define CONFIG_SYS_ICACHE_LINESZ        32
+
+#define CONFIG_NR_DRAM_BANKS            1
+
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+
+#define CONFIG_SYS_FLASH_BASE           0x00000000
+#define CONFIG_SYS_FLASH_SIZE           0x800000
+#define CONFIG_SYS_MAX_FLASH_BANKS      1
+#define CONFIG_SYS_MAX_FLASH_SECT       135
+
+#define CONFIG_SYS_MONITOR_BASE         CONFIG_SYS_FLASH_BASE
+#define CONFIG_SYS_TEXT_BASE            0x00000000
+
+#define CONFIG_SYS_INTRAM_BASE          INTERNAL_SRAM_BASE
+#define CONFIG_SYS_INTRAM_SIZE          INTERNAL_SRAM_SIZE
+#define CONFIG_SYS_SDRAM_BASE           EBI_SDRAM_BASE
+
+#define CONFIG_ENV_IS_IN_FLASH
+/* place u-boot env in flash sector after u-boot */
+#define CONFIG_ENV_SIZE                 0x10000
+#define CONFIG_ENV_ADDR                 0x20000
+
+#define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SYS_INTRAM_BASE + \
+                                        CONFIG_SYS_INTRAM_SIZE)
+
+#define CONFIG_SYS_MALLOC_LEN           (256*1024)
+#define CONFIG_SYS_DMA_ALLOC_LEN        (16384)
+
+/* Allow 4MB for the kernel run-time image */
+#define CONFIG_SYS_LOAD_ADDR            (EBI_SDRAM_BASE + 0x00400000)
+#define CONFIG_SYS_BOOTPARAMS_LEN       (16 * 1024)
+
+/* Other configuration settings that shouldn't have to change all that often */
+#define CONFIG_SYS_PROMPT               "U-Boot> "
+#define CONFIG_SYS_CBSIZE               256
+#define CONFIG_SYS_MAXARGS              16
+#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
+                                        sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP
+
+#define CONFIG_SYS_MEMTEST_START        EBI_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_END          (CONFIG_SYS_MEMTEST_START + 0x700000)
+#define CONFIG_SYS_BAUDRATE_TABLE       { 115200, 38400, 19200, 9600, 2400 }
+
+#endif /* __GRASSHOPPER_CONFIG_H */
-- 
1.7.2.5

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