[U-Boot] [PATCH 2/6] ARM: Add Calxeda Highbank platform
Rob Herring
robherring2 at gmail.com
Tue Jun 28 17:39:39 CEST 2011
From: Rob Herring <rob.herring at calxeda.com>
Add basic support for Calxeda Highbank platform. Only minimal support to boot
is included.
Signed-off-by: Jason Hobbs <jason.hobbs at calxeda.com>
Signed-off-by: Rob Herring <rob.herring at calxeda.com>
Cc: Albert ARIBAUD <albert.aribaud at free.fr>
---
MAINTAINERS | 4 +
arch/arm/cpu/armv7/highbank/Makefile | 46 ++++++++++++
arch/arm/cpu/armv7/highbank/config.mk | 4 +
arch/arm/cpu/armv7/highbank/timer.c | 124 +++++++++++++++++++++++++++++++++
board/highbank/Makefile | 49 +++++++++++++
board/highbank/highbank.c | 49 +++++++++++++
boards.cfg | 1 +
include/configs/highbank.h | 101 +++++++++++++++++++++++++++
8 files changed, 378 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/cpu/armv7/highbank/Makefile
create mode 100644 arch/arm/cpu/armv7/highbank/config.mk
create mode 100644 arch/arm/cpu/armv7/highbank/timer.c
create mode 100644 board/highbank/Makefile
create mode 100644 board/highbank/highbank.c
create mode 100644 include/configs/highbank.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 2bba7b4..515347d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -225,6 +225,10 @@ Wolfgang Grandegger <wg at denx.de>
IPHASE4539 MPC8260
SCM MPC8260
+Rob Herring <rob.herring at calxeda.com>
+
+ highbank highbank
+
Klaus Heydeck <heydeck at kieback-peter.de>
KUP4K MPC855
diff --git a/arch/arm/cpu/armv7/highbank/Makefile b/arch/arm/cpu/armv7/highbank/Makefile
new file mode 100644
index 0000000..76faeb0
--- /dev/null
+++ b/arch/arm/cpu/armv7/highbank/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.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 = $(obj)lib$(SOC).o
+
+COBJS := timer.o
+SOBJS :=
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/arm/cpu/armv7/highbank/config.mk b/arch/arm/cpu/armv7/highbank/config.mk
new file mode 100644
index 0000000..5ed5c39
--- /dev/null
+++ b/arch/arm/cpu/armv7/highbank/config.mk
@@ -0,0 +1,4 @@
+STANDALONE_LOAD_ADDR = 0x100000
+
+PLATFORM_CPPFLAGS += -march=armv7-a
+
diff --git a/arch/arm/cpu/armv7/highbank/timer.c b/arch/arm/cpu/armv7/highbank/timer.c
new file mode 100644
index 0000000..263f11a
--- /dev/null
+++ b/arch/arm/cpu/armv7/highbank/timer.c
@@ -0,0 +1,124 @@
+/*
+ * Copyright 2010-2011 Calxeda, Inc.
+ *
+ * Based on arm926ejs/mx27/timer.c
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <linux/types.h> /* for size_t */
+#include <linux/stddef.h> /* for NULL */
+#include <asm/io.h>
+#include <asm/arch-armv7/systimer.h>
+
+#undef SYSTIMER_BASE
+#define SYSTIMER_BASE 0xFFF34000 /* Timer 0 and 1 base */
+#define SYSTIMER_RATE 150000000
+
+static ulong timestamp;
+static ulong lastinc;
+static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE;
+
+/*
+ * Start the timer
+ */
+int timer_init(void)
+{
+ /*
+ * Setup timer0
+ */
+ writel(SYSTIMER_RELOAD, &systimer_base->timer0load);
+ writel(SYSTIMER_RELOAD, &systimer_base->timer0value);
+ writel(SYSTIMER_EN | SYSTIMER_32BIT, &systimer_base->timer0control);
+
+ reset_timer_masked();
+
+ return 0;
+
+}
+
+#define TICK_PER_TIME ((SYSTIMER_RATE + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ)
+#define NS_PER_TICK (1000000000 / SYSTIMER_RATE)
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+ do_div(tick, TICK_PER_TIME);
+ return tick;
+}
+
+static inline unsigned long long time_to_tick(unsigned long long time)
+{
+ return time * TICK_PER_TIME;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long us)
+{
+ unsigned long long tick = us << 16;
+ tick += NS_PER_TICK - 1;
+ do_div(tick, NS_PER_TICK);
+ return tick >> 16;
+}
+
+unsigned long long get_ticks(void)
+{
+ ulong now = ~readl(&systimer_base->timer0value);
+
+ if (now >= lastinc) /* normal mode (non roll) */
+ /* move stamp forward with absolut diff ticks */
+ timestamp += (now - lastinc);
+ else /* we have rollover of incrementer */
+ timestamp += (0xFFFFFFFF - lastinc) + now;
+ lastinc = now;
+ return timestamp;
+}
+
+/*
+ * Delay x useconds AND preserve advance timstamp value
+ * assumes timer is ticking at 1 msec
+ */
+void __udelay(ulong usec)
+{
+ unsigned long long tmp;
+ ulong tmo;
+
+ tmo = us_to_tick(usec);
+ tmp = get_ticks() + tmo; /* get current timestamp */
+
+ while (get_ticks() < tmp) /* loop till event */
+ /*NOP*/;
+}
+
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+void reset_timer_masked(void)
+{
+ lastinc = ~readl(&systimer_base->timer0value);
+ timestamp = 0;
+}
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer_masked(void)
+{
+ return tick_to_time(get_ticks());
+}
+
diff --git a/board/highbank/Makefile b/board/highbank/Makefile
new file mode 100644
index 0000000..d5b8362
--- /dev/null
+++ b/board/highbank/Makefile
@@ -0,0 +1,49 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.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 := highbank.o
+
+SRCS := $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+clean:
+ rm -f $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c
new file mode 100644
index 0000000..9a0fc19
--- /dev/null
+++ b/board/highbank/highbank.c
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2010-2011 Calxeda, Inc.
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+
+#include <asm/sizes.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+ icache_enable();
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ gd->ram_size = SZ_512M;
+ return 0;
+}
+
+void dram_init_banksize(void)
+{
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
+}
+
+void reset_cpu(ulong addr)
+{
+}
+
diff --git a/boards.cfg b/boards.cfg
index dfefc3f..b7eda53 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -135,6 +135,7 @@ omap5912osk arm arm926ejs - ti
edminiv2 arm arm926ejs - LaCie orion5x
dkb arm arm926ejs - Marvell pantheon
ca9x4_ct_vxp arm armv7 vexpress armltd
+highbank arm armv7 highbank - highbank
efikamx arm armv7 efikamx - mx5 mx51evk:IMX_CONFIG=board/efikamx/imximage.cfg
mx51evk arm armv7 mx51evk freescale mx5 mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg
mx53evk arm armv7 mx53evk freescale mx5 mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg
diff --git a/include/configs/highbank.h b/include/configs/highbank.h
new file mode 100644
index 0000000..6e26848
--- /dev/null
+++ b/include/configs/highbank.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2010-2011 Calxeda, Inc.
+ *
+ * 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 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#define CONFIG_L2_OFF
+
+#define CONFIG_SYS_NO_FLASH
+#define CFG_HZ 1000
+#define CONFIG_SYS_HZ CFG_HZ
+
+#define CONFIG_OF_LIBFDT
+#define CONFIG_FIT
+#define CONFIG_SYS_BOOTMAPSZ (16 << 20)
+
+/*
+ * Size of malloc() pool
+ */
+#define CONFIG_SYS_MALLOC_LEN (512 * 1024)
+
+#define CONFIG_PL011_SERIAL
+#define CONFIG_PL011_CLOCK 150000000
+#define CONFIG_PL01x_PORTS { (void *)(0xFFF36000) }
+#define CONFIG_CONS_INDEX 0
+
+#define CONFIG_BAUDRATE 38400
+#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 }
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+
+#define CONFIG_CMD_BDI
+#define CONFIG_CMD_ELF
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_LOADS
+
+#define CONFIG_BOOTDELAY 2
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_LONGHELP /* undef to save memory */
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of cmd args */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PROMPT "Highbank #"
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT)+16)
+
+#define CONFIG_SYS_LOAD_ADDR 0x800000
+
+/*-----------------------------------------------------------------------
+ * Stack sizes
+ *
+ * The stack sizes are set up in start.S using the settings below
+ */
+#define CONFIG_STACKSIZE (128*1024) /* regular stack */
+#ifdef CONFIG_USE_IRQ
+#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */
+#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */
+#endif
+
+/*-----------------------------------------------------------------------
+ * Physical Memory Map
+ */
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_1_SIZE (4089 << 20)
+#define CONFIG_SYS_MEMTEST_START 0x100000
+#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1_SIZE - 0x100000)
+
+/* Room required on the stack for the environment data */
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_ENV_IS_NOWHERE
+
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+#define CONFIG_SYS_TEXT_BASE 0x00001000
+#define CONFIG_SYS_INIT_SP_ADDR 0x01000000
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#endif
--
1.7.4.1
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