diff options
Diffstat (limited to 'arch/arm/mach-socfpga')
-rw-r--r-- | arch/arm/mach-socfpga/Makefile | 5 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/Makefile.boot | 1 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/include/mach/debug-macro.S | 16 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/include/mach/timex.h | 19 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/include/mach/uncompress.h | 9 | ||||
-rw-r--r-- | arch/arm/mach-socfpga/socfpga.c | 62 |
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 |