[U-Boot] [PATCHv1] ARM: Add Altera SOCFPGA Cyclone5
Pavel Machek
pavel at denx.de
Thu Aug 30 01:21:54 CEST 2012
Hi!
> > > > diff --git a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
> > >
> > > You should setup MEMORY declarations like the other u-boot-spl linker
> > > scripts do so we get build-time confirmation that we haven't exceeded
> > > our size limitations.
> >
> > Hmm, I tried, but I don't know socfpga memory layout by heart.
> >
> > Dinh, can you help here?
>
> I think once you get the answers you should be able to re-post the
> series cleanly and depend on my v5 (or v6) branch. Thanks!
Ok, figuring the .lds might be tricky. But... that's mostly additional
(safety) feature. Would it be possible to merge it without that and
add it later?
Port to v5 of the patch should not be a problem.
For the record and review, current version of patch is here.
Pavel
diff --git a/MAINTAINERS b/MAINTAINERS
index c5a6f2f..df48dea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -765,6 +765,11 @@ Nagendra T S <nagendra at mistralsolutions.com>
am3517_crane ARM ARMV7 (AM35x SoC)
+Dinh Nguyen <dinguyen at altera.com>
+Chin Liang See <clsee at altera.com>
+
+ socfpga socfpga_cyclone5
+
Kyungmin Park <kyungmin.park at samsung.com>
apollon ARM1136EJS
diff --git a/arch/arm/cpu/armv7/socfpga/Makefile b/arch/arm/cpu/armv7/socfpga/Makefile
new file mode 100644
index 0000000..376a4bd
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2000-2003
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# Copyright (C) 2012 Altera Corporation <www.altera.com>
+#
+# 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
+
+SOBJS := lowlevel_init.o
+COBJS-y := misc.o timer.o
+COBJS-$(CONFIG_SPL_BUILD) += spl.o
+
+COBJS := $(COBJS-y)
+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/socfpga/config.mk b/arch/arm/cpu/armv7/socfpga/config.mk
new file mode 100644
index 0000000..b72ed1e
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/config.mk
@@ -0,0 +1,16 @@
+#
+# Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
+#
+# 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 "as is" WITHOUT ANY WARRANTY of any
+# kind, whether express or implied; without even the implied warranty
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+ifndef CONFIG_SPL_BUILD
+ALL-y += $(obj)u-boot.img
+endif
diff --git a/arch/arm/cpu/armv7/socfpga/lowlevel_init.S b/arch/arm/cpu/armv7/socfpga/lowlevel_init.S
new file mode 100644
index 0000000..815073e
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/lowlevel_init.S
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <version.h>
+
+/* Save the parameter pass in by previous boot loader */
+.global save_boot_params
+save_boot_params:
+ /* save the parameter here */
+
+ /*
+ * Setup stack for exception, which is located
+ * at the end of on-chip RAM. We don't expect exception prior to
+ * relocation and if that happens, we won't worry -- it will overide
+ * global data region as the code will goto reset. After relocation,
+ * this region won't be used by other part of program.
+ * Hence it is safe.
+ */
+ ldr r0, =CONFIG_SYS_INIT_RAM_ADDR
+ ldr r1, =CONFIG_SYS_INIT_RAM_SIZE
+ add r0, r0, r1
+ ldr r1, =IRQ_STACK_START_IN
+ str r0, [r1]
+
+ bx lr
+
+
+/* Set up the platform, once the cpu has been initialized */
+.globl lowlevel_init
+lowlevel_init:
+
+ /* Remap */
+#ifdef CONFIG_SPL_BUILD
+ /*
+ * SPL : configure the remap (L3 NIC-301 GPV)
+ * so the on-chip RAM at lower memory instead ROM.
+ */
+ ldr r0, =SOCFPGA_L3REGS_ADDRESS
+ mov r1, #0x19
+ str r1, [r0]
+#else
+ /*
+ * U-Boot : configure the remap (L3 NIC-301 GPV)
+ * so the SDRAM at lower memory instead on-chip RAM.
+ */
+ ldr r0, =SOCFPGA_L3REGS_ADDRESS
+ mov r1, #0x2
+ str r1, [r0]
+
+ /* Private components security */
+
+ /*
+ * U-Boot : configure private timer, global timer and cpu
+ * component access as non secure for kernel stage (as required
+ * by kernel)
+ */
+ mrc p15,4,r0,c15,c0,0
+ add r1, r0, #0x54
+ ldr r2, [r1]
+ orr r2, r2, #0xff
+ orr r2, r2, #0xf00
+ str r2, [r1]
+#endif /* #ifdef CONFIG_SPL_BUILD */
+ mov pc, lr
diff --git a/arch/arm/cpu/armv7/socfpga/misc.c b/arch/arm/cpu/armv7/socfpga/misc.c
new file mode 100644
index 0000000..b906701
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/misc.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/reset_manager.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct socfpga_reset_manager *reset_manager_base =
+ (void *)SOCFPGA_RSTMGR_ADDRESS;
+
+/*
+ * Write the reset manager register to cause reset
+ */
+void reset_cpu(ulong addr)
+{
+ /* request a warm reset */
+ writel(RSTMGR_CTRL_SWWARMRSTREQ_LSB, &reset_manager_base->ctrl);
+ /*
+ * infinite loop here as watchdog will trigger and reset
+ * the processor
+ */
+ while (1)
+ ;
+}
+
+/*
+ * Release peripherals from reset based on handoff
+ */
+void reset_deassert_peripherals_handoff(void)
+{
+ writel(0, &reset_manager_base->per_mod_reset);
+}
+
+int dram_init(void)
+{
+ gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
+ return 0;
+}
diff --git a/arch/arm/cpu/armv7/socfpga/spl.c b/arch/arm/cpu/armv7/socfpga/spl.c
new file mode 100644
index 0000000..bf03333
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/spl.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/u-boot.h>
+#include <asm/utils.h>
+#include <version.h>
+#include <image.h>
+#include <malloc.h>
+#include <asm/arch/reset_manager.h>
+#include <spl.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+u32 spl_boot_device(void)
+{
+ return BOOT_DEVICE_RAM;
+}
+
+/*
+ * Board initialization after bss clearance
+ */
+void spl_board_init(void)
+{
+ /* init timer for enabling delay function */
+ timer_init();
+
+ /* de-assert reset for peripherals and bridges based on handoff */
+ reset_deassert_peripherals_handoff();
+
+ /* enable console uart printing */
+ preloader_console_init();
+
+ puts("SPL Boot\n");
+}
diff --git a/arch/arm/cpu/armv7/socfpga/timer.c b/arch/arm/cpu/armv7/socfpga/timer.c
new file mode 100644
index 0000000..28da4d0
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/timer.c
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/timer.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static const struct socfpga_timer *timer_base = (void *)CONFIG_SYS_TIMERBASE;
+
+/*
+ * Timer initialization
+ */
+int timer_init(void)
+{
+ writel(TIMER_LOAD_VAL, &timer_base->load_val);
+ writel(TIMER_LOAD_VAL, &timer_base->curr_val);
+ writel((readl((&timer_base->ctrl)) | 0x3),
+ (&timer_base->ctrl));
+ return 0;
+}
+
+static u32 read_timer(void)
+{
+ return readl(&timer_base->curr_val);
+}
+
+/*
+ * Delay x useconds
+ */
+void __udelay(unsigned long usec)
+{
+ unsigned long now, last;
+ /*
+ * get the tmo value based on timer clock speed
+ * tmo = delay required / period of timer clock
+ */
+ long tmo = usec * CONFIG_TIMER_CLOCK_KHZ / 1000;
+
+ last = read_timer();
+ while (tmo > 0) {
+ now = read_timer();
+ if (last >= now)
+ /* normal mode (non roll) */
+ tmo -= last - now;
+ else
+ /* we have overflow of the count down timer */
+ tmo -= TIMER_LOAD_VAL - last + now;
+ last = now;
+ }
+}
+
+/*
+ * Get the timer value
+ */
+ulong get_timer(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+/*
+ * Timer : get the time difference
+ * Unit of tick is based on the CONFIG_SYS_HZ
+ */
+ulong get_timer_masked(void)
+{
+ /* current tick value */
+ ulong now = read_timer() / (CONFIG_TIMER_CLOCK_KHZ/CONFIG_SYS_HZ);
+ if (gd->lastinc >= now) {
+ /* normal mode (non roll) */
+ /* move stamp forward with absolute diff ticks */
+ gd->tbl += gd->lastinc - now;
+ } else {
+ /* we have overflow of the count down timer */
+ gd->tbl += TIMER_LOAD_VAL - gd->lastinc + now;
+ }
+ gd->lastinc = now;
+ return gd->tbl;
+}
+
+/*
+ * Reset the timer
+ */
+void reset_timer(void)
+{
+ /* capture current decrementer value time */
+ gd->lastinc = read_timer() / (CONFIG_TIMER_CLOCK_KHZ/CONFIG_SYS_HZ);
+ /* start "advancing" time stamp from 0 */
+ gd->tbl = 0;
+}
+
+/*
+ * Delay function in number of clocks (not in time unit).
+ *
+ * Below is an example of use case:
+ * > reset_timer_count();
+ * > start = get_timer_count (0);
+ * > while (get_timer (start) < num_count) {...}
+ */
+
+/*
+ * Get the timer count value
+ */
+ulong get_timer_count_masked(void)
+{
+ /* current tick value */
+ ulong now = read_timer();
+ if (gd->lastinc >= now) {
+ /* normal mode (non roll) */
+ /* move stamp forward with absolute diff ticks */
+ gd->tbl += gd->lastinc - now;
+ } else {
+ /* we have overflow of the count down timer */
+ gd->tbl += TIMER_LOAD_VAL - gd->lastinc + now;
+ }
+ gd->lastinc = now;
+ return gd->tbl;
+}
+
+ulong get_timer_count(ulong base)
+{
+ return get_timer_masked() - base;
+}
+
+/*
+ * Reset the timer
+ */
+void reset_timer_count(void)
+{
+ /* capture current decrementer value time */
+ gd->lastinc = read_timer();
+ /* start "advancing" time stamp from 0 */
+ gd->tbl = 0;
+}
diff --git a/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
new file mode 100644
index 0000000..7cd409c
--- /dev/null
+++ b/arch/arm/cpu/armv7/socfpga/u-boot-spl.lds
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+MEMORY { .sdram : ORIGIN = (0), LENGTH = (0xffffffff) }
+
+OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
+OUTPUT_ARCH(arm)
+ENTRY(_start)
+SECTIONS
+{
+ . = 0x00000000;
+
+ . = ALIGN(4);
+ .text :
+ {
+ arch/arm/cpu/armv7/start.o (.text)
+ *(.text*)
+ } >.sdram
+
+ . = ALIGN(4);
+ .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } >.sdram
+
+ . = ALIGN(4);
+ .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sdram
+
+ . = ALIGN(4);
+ __image_copy_end = .;
+ _end = .;
+
+ .bss : {
+ . = ALIGN(4);
+ __bss_start = .;
+ *(.bss*)
+ . = ALIGN(4);
+ __bss_end__ = .;
+ } >.sdram
+
+ . = ALIGN(8);
+ __malloc_start = .;
+ . = . + CONFIG_SPL_MALLOC_SIZE;
+ __malloc_end = .;
+
+ . = . + CONFIG_SPL_STACK_SIZE;
+ . = ALIGN(8);
+ __stack_start = .;
+}
diff --git a/arch/arm/include/asm/arch-socfpga/reset_config.h b/arch/arm/include/asm/arch-socfpga/reset_config.h
new file mode 100644
index 0000000..e69de29
diff --git a/arch/arm/include/asm/arch-socfpga/reset_manager.h b/arch/arm/include/asm/arch-socfpga/reset_manager.h
new file mode 100644
index 0000000..d9d2c1c
--- /dev/null
+++ b/arch/arm/include/asm/arch-socfpga/reset_manager.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _RESET_MANAGER_H_
+#define _RESET_MANAGER_H_
+
+void reset_cpu(ulong addr);
+void reset_deassert_peripherals_handoff(void);
+
+struct socfpga_reset_manager {
+ u32 padding1;
+ u32 ctrl;
+ u32 padding2;
+ u32 padding3;
+ u32 mpu_mod_reset;
+ u32 per_mod_reset;
+ u32 per2_mod_reset;
+ u32 brg_mod_reset;
+};
+
+#define RSTMGR_CTRL_SWWARMRSTREQ_LSB 1
+
+#endif /* _RESET_MANAGER_H_ */
diff --git a/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
new file mode 100644
index 0000000..f353eb2
--- /dev/null
+++ b/arch/arm/include/asm/arch-socfpga/socfpga_base_addrs.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _SOCFPGA_BASE_ADDRS_H_
+#define _SOCFPGA_BASE_ADDRS_H_
+
+#define SOCFPGA_L3REGS_ADDRESS 0xff800000
+#define SOCFPGA_UART0_ADDRESS 0xffc02000
+#define SOCFPGA_UART1_ADDRESS 0xffc03000
+#define SOCFPGA_OSC1TIMER0_ADDRESS 0xffd00000
+#define SOCFPGA_RSTMGR_ADDRESS 0xffd05000
+
+#endif /* _SOCFPGA_BASE_ADDRS_H_ */
diff --git a/arch/arm/include/asm/arch-socfpga/spl.h b/arch/arm/include/asm/arch-socfpga/spl.h
new file mode 100644
index 0000000..c9e5f50
--- /dev/null
+++ b/arch/arm/include/asm/arch-socfpga/spl.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2012 Pavel Machek <pavel at denx.de>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _SOCFPGA_SPL_H_
+#define _SOCFPGA_SPL_H_
+
+/* Symbols from linker script */
+extern void __malloc_start, __malloc_end, __stack_start;
+
+#define CONFIG_SPL_STACK (&__stack_start)
+#define CONFIG_SYS_SPL_MALLOC_START (&__malloc_start)
+#define CONFIG_SYS_SPL_MALLOC_SIZE (&__malloc_end - &__malloc_start)
+
+#define BOOT_DEVICE_RAM 1
+
+#endif
diff --git a/arch/arm/include/asm/arch-socfpga/timer.h b/arch/arm/include/asm/arch-socfpga/timer.h
new file mode 100644
index 0000000..830c94a
--- /dev/null
+++ b/arch/arm/include/asm/arch-socfpga/timer.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _SOCFPGA_TIMER_H_
+#define _SOCFPGA_TIMER_H_
+
+struct socfpga_timer {
+ u32 load_val;
+ u32 curr_val;
+ u32 ctrl;
+ u32 eoi;
+ u32 int_stat;
+};
+
+#endif
diff --git a/board/altera/socfpga_cyclone5/Makefile b/board/altera/socfpga_cyclone5/Makefile
new file mode 100644
index 0000000..43bbc37
--- /dev/null
+++ b/board/altera/socfpga_cyclone5/Makefile
@@ -0,0 +1,50 @@
+#
+# (C) Copyright 2001-2006
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+# (C) Copyright 2010, Thomas Chou <thomas at wytron.com.tw>
+#
+# 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 := socfpga_cyclone5.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/altera/socfpga_cyclone5/socfpga_cyclone5.c b/board/altera/socfpga_cyclone5/socfpga_cyclone5.c
new file mode 100644
index 0000000..1248e3d
--- /dev/null
+++ b/board/altera/socfpga_cyclone5/socfpga_cyclone5.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <common.h>
+#include <asm/arch/reset_manager.h>
+#include <asm/io.h>
+
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void show_boot_progress(int progress)
+{
+ debug("Boot reached stage %d\n", progress);
+}
+
+static inline void delay(unsigned long loops)
+{
+ __asm__ volatile ("1:\n"
+ "subs %0, %1, #1\n"
+ "bne 1b" : "=r" (loops) : "0" (loops));
+}
+
+/*
+ * Print CPU information
+ */
+int print_cpuinfo(void)
+{
+ puts("CPU : Altera SOCFPGA Platform\n");
+ return 0;
+}
+
+/*
+ * Print Board information
+ */
+int checkboard(void)
+{
+ puts("BOARD : Altera SOCFPGA Cyclone5 Board\n");
+ return 0;
+}
+
+/*
+ * Initialization function which happen at early stage of c code
+ */
+int board_early_init_f(void)
+{
+ return 0;
+}
+
+/*
+ * Miscellaneous platform dependent initialisations
+ */
+int board_init(void)
+{
+ icache_enable();
+ return 0;
+}
+
+/*
+ * miscellaneous platform dependent initialisations
+ */
+int misc_init_r(void)
+{
+ /* Set to "n" for not verifying the uImage */
+ setenv("verify", "n");
+ return 0;
+}
+
+#if defined(CONFIG_SYS_CONSOLE_IS_IN_ENV) && defined(CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE)
+int overwrite_console(void)
+{
+ return 0;
+}
+#endif
+
+/*
+ * DesignWare Ethernet initialization
+ */
+/* We know all the init functions have been run now */
+int board_eth_init(bd_t *bis)
+{
+ return 0;
+}
diff --git a/boards.cfg b/boards.cfg
index fdb84ad..1b5c860 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -261,6 +261,7 @@ seaboard arm armv7 seaboard nvidia
ventana arm armv7 ventana nvidia tegra2
whistler arm armv7 whistler nvidia tegra2
u8500_href arm armv7 u8500 st-ericsson u8500
+socfpga_cyclone5 arm armv7 socfpga_cyclone5 altera socfpga
actux1_4_16 arm ixp actux1 - - actux1:FLASH2X2
actux1_4_32 arm ixp actux1 - - actux1:FLASH2X2,RAM_32MB
actux1_8_16 arm ixp actux1 - - actux1:FLASH1X8
diff --git a/common/spl/spl.c b/common/spl/spl.c
index eaea1c8..5adbf0e 100644
--- a/common/spl/spl.c
+++ b/common/spl/spl.c
@@ -78,6 +78,7 @@ void spl_parse_image_header(const struct image_header *header)
u32 header_size = sizeof(struct image_header);
if (__be32_to_cpu(header->ih_magic) == IH_MAGIC) {
+ /* Valid image. Extract information out of header */
spl_image.size = __be32_to_cpu(header->ih_size) + header_size;
spl_image.entry_point = __be32_to_cpu(header->ih_load);
/* Load including the header */
@@ -115,6 +116,20 @@ static void __noreturn jump_to_image_no_args(void)
image_entry((u32 *)boot_params_ptr_addr);
}
+static void spl_ram_load_image(void)
+{
+ const struct image_header *header;
+
+ /* get the header */
+ /* it will point to a address defined by handoff which
+ will tell where the image located inside the flash. For now,
+ it will temporary fixed to address pointed by U-Boot */
+ header = (struct image_header *)
+ (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header));
+
+ spl_parse_image_header(header);
+}
+
void board_init_r(gd_t *dummy1, ulong dummy2)
{
u32 boot_device;
@@ -132,6 +147,9 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
boot_device = spl_boot_device();
debug("boot device - %d\n", boot_device);
switch (boot_device) {
+ case BOOT_DEVICE_RAM:
+ spl_ram_load_image();
+ break;
#ifdef CONFIG_SPL_MMC_SUPPORT
case BOOT_DEVICE_MMC1:
case BOOT_DEVICE_MMC2:
diff --git a/include/common.h b/include/common.h
index 55025c0..469a3af 100644
--- a/include/common.h
+++ b/include/common.h
@@ -704,7 +704,9 @@ void external_interrupt (struct pt_regs *);
void irq_install_handler(int, interrupt_handler_t *, void *);
void irq_free_handler (int);
void reset_timer (void);
-ulong get_timer (ulong base);
+ulong get_timer(ulong base);
+void reset_timer_count(void);
+ulong get_timer_count(ulong base);
void enable_interrupts (void);
int disable_interrupts (void);
diff --git a/include/configs/socfpga_cyclone5.h b/include/configs/socfpga_cyclone5.h
new file mode 100644
index 0000000..d001cbb
--- /dev/null
+++ b/include/configs/socfpga_cyclone5.h
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) 2012 Altera Corporation <www.altera.com>
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/arch/socfpga_base_addrs.h>
+
+/*
+ * High level configuration
+ */
+
+#define CONFIG_ARMV7
+#define CONFIG_L2_OFF
+#define CONFIG_SYS_DCACHE_OFF
+#undef CONFIG_USE_IRQ
+
+#define CONFIG_MISC_INIT_R
+#define CONFIG_SINGLE_BOOTLOADER
+#define CONFIG_SOCFPGA
+
+#define CONFIG_SYS_TEXT_BASE 0x08000040
+#define V_NS16550_CLK 1000000
+#define CONFIG_BAUDRATE 57600
+#define CONFIG_SYS_HZ 1000
+#define CONFIG_TIMER_CLOCK_KHZ 2400
+#define CONFIG_SYS_LOAD_ADDR 0x7fc0
+
+/* Console I/O Buffer Size */
+#define CONFIG_SYS_CBSIZE 256
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT "SOCFPGA_CYCLONE5 # "
+#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
+ sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/*
+ * Display CPU and Board Info
+ */
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/*
+ * Enable early stage initialization at C environment
+ */
+#define CONFIG_BOARD_EARLY_INIT_F
+
+/* flat device tree */
+#define CONFIG_OF_LIBFDT
+/* skip updating the FDT blob */
+#define CONFIG_FDT_BLOB_SKIP_UPDATE
+/* Initial Memory map size for Linux, minus 4k alignment for DFT blob */
+#define CONFIG_SYS_BOOTMAPSZ ((256*1024*1024) - (4*1024))
+
+/*
+ * Memory allocation (MALLOC)
+ */
+/* Room required on the stack for the environment data */
+#define CONFIG_ENV_SIZE 1024
+/* Size of DRAM reserved for malloc() use */
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
+
+/*
+ * Stack sizes
+ * The stack sizes are set up in start.S using the settings below
+ */
+/* regular stack */
+#define CONFIG_STACKSIZE (128 << 10)
+#ifdef CONFIG_USE_IRQ
+/* IRQ stack */
+#define CONFIG_STACKSIZE_IRQ (4 << 10)
+/* FIQ stack */
+#define CONFIG_STACKSIZE_FIQ (4 << 10)
+#endif
+/* SP location before relocation, must use scratch RAM */
+#define CONFIG_SYS_INIT_RAM_ADDR 0xFFFF0000
+/* Reserving 0x100 space at back of scratch RAM for debug info */
+#define CONFIG_SYS_INIT_RAM_SIZE (0x10000 - 0x100)
+/* Stack pointer prior relocation, must situated at on-chip RAM */
+#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
+ CONFIG_SYS_INIT_RAM_SIZE - \
+ GENERATED_GBL_DATA_SIZE)
+
+
+/*
+ * Command line configuration.
+ */
+#define CONFIG_SYS_NO_FLASH
+#include <config_cmd_default.h>
+/* FAT file system support */
+#define CONFIG_CMD_FAT
+
+
+/*
+ * Misc
+ */
+#define CONFIG_DOS_PARTITION 1
+
+#ifdef CONFIG_SPL_BUILD
+#undef CONFIG_PARTITIONS
+#endif
+
+/*
+ * Environment setup
+ */
+
+/* Delay before automatically booting the default image */
+#define CONFIG_BOOTDELAY 3
+/* Enable auto completion of commands using TAB */
+#define CONFIG_AUTO_COMPLETE
+/* use "hush" command parser */
+#define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
+#define CONFIG_CMD_RUN
+
+#define CONFIG_BOOTCOMMAND "run ramboot"
+
+/*
+ * arguments passed to the bootm command. The value of
+ * CONFIG_BOOTARGS goes into the environment value "bootargs".
+ * Do note the value will overide also the chosen node in FDT blob.
+ */
+#define CONFIG_BOOTARGS "console=ttyS0,57600,mem=256M at 0x0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "loadaddr= " MK_STR(CONFIG_SYS_LOAD_ADDR) "\0" \
+ "ramboot=setenv bootargs " CONFIG_BOOTARGS ";" \
+ "bootm ${loadaddr} - ${fdt_addr}\0" \
+ "bootimage=uImage\0" \
+ "fdt_addr=100\0" \
+ "fsloadcmd=ext2load\0" \
+ "bootm ${loadaddr} - ${fdt_addr}\0" \
+ "qspiroot=/dev/mtdblock0\0" \
+ "qspirootfstype=jffs2\0" \
+ "qspiboot=setenv bootargs " CONFIG_BOOTARGS \
+ " root=${qspiroot} rw rootfstype=${qspirootfstype};"\
+ "bootm ${loadaddr} - ${fdt_addr}\0"
+
+/* using environment setting for stdin, stdout, stderr */
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+/* Enable the call to overwrite_console() */
+#define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
+/* Enable overwrite of previous console environment settings */
+#define CONFIG_SYS_CONSOLE_ENV_OVERWRITE
+
+/* max number of command args */
+#define CONFIG_SYS_MAXARGS 16
+
+
+/*
+ * Hardware drivers
+ */
+
+/*
+ * SDRAM Memory Map
+ */
+/* We have 1 bank of DRAM */
+#define CONFIG_NR_DRAM_BANKS 1
+/* SDRAM Bank #1 */
+#define CONFIG_SYS_SDRAM_BASE 0x00000000
+/* SDRAM memory size */
+#define PHYS_SDRAM_1_SIZE 0x80000000
+
+#define PHYS_SDRAM_1 CONFIG_SYS_SDRAM_BASE
+#define CONFIG_SYS_MEMTEST_START 0x00000000
+#define CONFIG_SYS_MEMTEST_END PHYS_SDRAM_1_SIZE
+
+/*
+ * NS16550 Configuration
+ */
+#define UART0_BASE SOCFPGA_UART0_ADDRESS
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE -4
+#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
+#define CONFIG_CONS_INDEX 1
+#define CONFIG_SYS_NS16550_COM1 UART0_BASE
+
+#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, 115200}
+
+/*
+ * FLASH
+ */
+#define CONFIG_SYS_NO_FLASH
+
+/*
+ * L4 OSC1 Timer 0
+ */
+/* This timer use eosc1 where the clock frequency is fixed
+ * throughout any condition */
+#define CONFIG_SYS_TIMERBASE SOCFPGA_OSC1TIMER0_ADDRESS
+
+/* reload value when timer count to zero */
+#define TIMER_LOAD_VAL 0xFFFFFFFF
+
+#define CONFIG_ENV_IS_NOWHERE
+
+/*
+ * SPL "Second Program Loader" aka Initial Software
+ */
+
+/* Enable building of SPL globally */
+#define CONFIG_SPL
+#define CONFIG_SPL_FRAMEWORK
+
+/* TEXT_BASE for linking the SPL binary */
+#define CONFIG_SPL_TEXT_BASE 0xFFFF0000
+
+/* Stack size for SPL */
+#define CONFIG_SPL_STACK_SIZE (4 * 1024)
+
+/* MALLOC size for SPL */
+#define CONFIG_SPL_MALLOC_SIZE (5 * 1024)
+
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_BOARD_INIT
+
+#define CHUNKSZ_CRC32 (1 * 1024)
+
+#define CONFIG_CRC32_VERIFY
+
+/* Linker script for SPL */
+#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/socfpga/u-boot-spl.lds"
+
+/* Support for common/libcommon.o in SPL binary */
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+/* Support for lib/libgeneric.o in SPL binary */
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+
+#endif /* __CONFIG_H */
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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