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authorAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
committerAnton Arapov <anton@redhat.com>2012-10-29 11:15:37 +0100
commit7d558cd9c7b18e4b16953265aa0da45e63f3b968 (patch)
tree7135d5a810768c9c619346282ee9cfdf1765e225 /arch/arm/mach-socfpga
parent985ef6b2108ed28ffd5f6630e1e0fce2e2a775f2 (diff)
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fedora kernel: cd394142aac30b5c751f25b517572e2448695641v3.6.3-2f17
Signed-off-by: Anton Arapov <anton@redhat.com>
Diffstat (limited to 'arch/arm/mach-socfpga')
-rw-r--r--arch/arm/mach-socfpga/Makefile5
-rw-r--r--arch/arm/mach-socfpga/Makefile.boot1
-rw-r--r--arch/arm/mach-socfpga/include/mach/debug-macro.S16
-rw-r--r--arch/arm/mach-socfpga/include/mach/timex.h19
-rw-r--r--arch/arm/mach-socfpga/include/mach/uncompress.h9
-rw-r--r--arch/arm/mach-socfpga/socfpga.c62
6 files changed, 112 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile
new file mode 100644
index 00000000000..4fb93240971
--- /dev/null
+++ b/arch/arm/mach-socfpga/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the linux kernel.
+#
+
+obj-y := socfpga.o
diff --git a/arch/arm/mach-socfpga/Makefile.boot b/arch/arm/mach-socfpga/Makefile.boot
new file mode 100644
index 00000000000..dae9661a768
--- /dev/null
+++ b/arch/arm/mach-socfpga/Makefile.boot
@@ -0,0 +1 @@
+zreladdr-y := 0x00008000
diff --git a/arch/arm/mach-socfpga/include/mach/debug-macro.S b/arch/arm/mach-socfpga/include/mach/debug-macro.S
new file mode 100644
index 00000000000..d6f26d23374
--- /dev/null
+++ b/arch/arm/mach-socfpga/include/mach/debug-macro.S
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 1994-1999 Russell King
+ * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+ .macro addruart, rp, rv, tmp
+ mov \rp, #DEBUG_LL_UART_OFFSET
+ orr \rp, \rp, #0x00c00000
+ orr \rv, \rp, #0xfe000000 @ virtual base
+ orr \rp, \rp, #0xff000000 @ physical base
+ .endm
+
diff --git a/arch/arm/mach-socfpga/include/mach/timex.h b/arch/arm/mach-socfpga/include/mach/timex.h
new file mode 100644
index 00000000000..43df4354e46
--- /dev/null
+++ b/arch/arm/mach-socfpga/include/mach/timex.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2003 ARM Limited
+ *
+ * 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
+ */
+
+#define CLOCK_TICK_RATE (50000000 / 16)
diff --git a/arch/arm/mach-socfpga/include/mach/uncompress.h b/arch/arm/mach-socfpga/include/mach/uncompress.h
new file mode 100644
index 00000000000..bbe20e69632
--- /dev/null
+++ b/arch/arm/mach-socfpga/include/mach/uncompress.h
@@ -0,0 +1,9 @@
+#ifndef __MACH_UNCOMPRESS_H
+#define __MACH_UNCOMPRESS_H
+
+#define putc(c)
+#define flush()
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
+
+#endif
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
new file mode 100644
index 00000000000..f01e1ebf539
--- /dev/null
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2012 Altera Corporation
+ *
+ * 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 <linux/dw_apb_timer.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/hardware/gic.h>
+#include <asm/mach/arch.h>
+
+extern void socfpga_init_clocks(void);
+
+const static struct of_device_id irq_match[] = {
+ { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
+ {}
+};
+
+static void __init gic_init_irq(void)
+{
+ of_irq_init(irq_match);
+}
+
+static void socfpga_cyclone5_restart(char mode, const char *cmd)
+{
+ /* TODO: */
+}
+
+static void __init socfpga_cyclone5_init(void)
+{
+ l2x0_of_init(0, ~0UL);
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+ socfpga_init_clocks();
+}
+
+static const char *altera_dt_match[] = {
+ "altr,socfpga",
+ "altr,socfpga-cyclone5",
+ NULL
+};
+
+DT_MACHINE_START(SOCFPGA, "Altera SOCFPGA")
+ .init_irq = gic_init_irq,
+ .handle_irq = gic_handle_irq,
+ .timer = &dw_apb_timer,
+ .init_machine = socfpga_cyclone5_init,
+ .restart = socfpga_cyclone5_restart,
+ .dt_compat = altera_dt_match,
+MACHINE_END