diff options
| -rw-r--r-- | MAINTAINERS | 10 | ||||
| -rw-r--r-- | arch/arm/Kconfig | 19 | ||||
| -rw-r--r-- | arch/arm/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/socfpga.dtsi | 147 | ||||
| -rw-r--r-- | arch/arm/boot/dts/socfpga_cyclone5.dts | 34 | ||||
| -rw-r--r-- | arch/arm/configs/socfpga_defconfig | 83 | ||||
| -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 | ||||
| -rw-r--r-- | drivers/clk/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/socfpga/Makefile | 1 | ||||
| -rw-r--r-- | drivers/clk/socfpga/clk.c | 51 | ||||
| -rw-r--r-- | include/linux/dw_apb_timer.h | 1 |
16 files changed, 460 insertions, 0 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index b8a65fbf0473..ab55a785d427 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1111,6 +1111,16 @@ S: Supported F: arch/arm/mach-shmobile/ F: drivers/sh/ +ARM/SOCFPGA ARCHITECTURE +M: Dinh Nguyen <dinguyen@altera.com> +S: Maintained +F: arch/arm/mach-socfpga/ + +ARM/SOCFPGA CLOCK FRAMEWORK SUPPORT +M: Dinh Nguyen <dinguyen@altera.com> +S: Maintained +F: drivers/clk/socfpga/ + ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT M: Lennert Buytenhek <kernel@wantstofly.org> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7e3d9317c0bf..dfeca559d700 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -250,6 +250,25 @@ choice prompt "ARM system type" default ARCH_VERSATILE +config ARCH_SOCFPGA + bool "Altera SOCFPGA family" + select ARCH_WANT_OPTIONAL_GPIOLIB + select ARM_AMBA + select ARM_GIC + select CACHE_L2X0 + select CLKDEV_LOOKUP + select COMMON_CLK + select CPU_V7 + select DW_APB_TIMER + select DW_APB_TIMER_OF + select GENERIC_CLOCKEVENTS + select GPIO_PL061 if GPIOLIB + select HAVE_ARM_SCU + select SPARSE_IRQ + select USE_OF + help + This enables support for Altera SOCFPGA Cyclone V platform + config ARCH_INTEGRATOR bool "ARM Ltd. Integrator family" select ARM_AMBA diff --git a/arch/arm/Makefile b/arch/arm/Makefile index f1a1a7170103..4d6d31115cf2 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -187,6 +187,7 @@ machine-$(CONFIG_ARCH_VEXPRESS) := vexpress machine-$(CONFIG_ARCH_VT8500) := vt8500 machine-$(CONFIG_ARCH_W90X900) := w90x900 machine-$(CONFIG_FOOTBRIDGE) := footbridge +machine-$(CONFIG_ARCH_SOCFPGA) := socfpga machine-$(CONFIG_MACH_SPEAR1310) := spear13xx machine-$(CONFIG_MACH_SPEAR1340) := spear13xx machine-$(CONFIG_MACH_SPEAR300) := spear3xx diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi new file mode 100644 index 000000000000..0772f5739f59 --- /dev/null +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -0,0 +1,147 @@ +/* + * Copyright (C) 2012 Altera <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/ "skeleton.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + + aliases { + ethernet0 = &gmac0; + serial0 = &uart0; + serial1 = &uart1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + compatible = "arm,cortex-a9"; + device_type = "cpu"; + reg = <0>; + next-level-cache = <&L2>; + }; + cpu@1 { + compatible = "arm,cortex-a9"; + device_type = "cpu"; + reg = <1>; + next-level-cache = <&L2>; + }; + }; + + intc: intc@fffed000 { + compatible = "arm,cortex-a9-gic"; + #interrupt-cells = <3>; + interrupt-controller; + reg = <0xfffed000 0x1000>, + <0xfffec100 0x100>; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + device_type = "soc"; + interrupt-parent = <&intc>; + ranges; + + amba { + compatible = "arm,amba-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + + pdma: pdma@ffe01000 { + compatible = "arm,pl330", "arm,primecell"; + reg = <0xffe01000 0x1000>; + interrupts = <0 180 4>; + }; + }; + + gmac0: stmmac@ff700000 { + compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac"; + reg = <0xff700000 0x2000>; + interrupts = <0 115 4>; + interrupt-names = "macirq"; + mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */ + phy-mode = "gmii"; + }; + + L2: l2-cache@fffef000 { + compatible = "arm,pl310-cache"; + reg = <0xfffef000 0x1000>; + interrupts = <0 38 0x04>; + cache-unified; + cache-level = <2>; + }; + + /* Local timer */ + timer@fffec600 { + compatible = "arm,cortex-a9-twd-timer"; + reg = <0xfffec600 0x100>; + interrupts = <1 13 0xf04>; + }; + + timer0: timer@ffc08000 { + compatible = "snps,dw-apb-timer-sp"; + interrupts = <0 167 4>; + clock-frequency = <200000000>; + reg = <0xffc08000 0x1000>; + }; + + timer1: timer@ffc09000 { + compatible = "snps,dw-apb-timer-sp"; + interrupts = <0 168 4>; + clock-frequency = <200000000>; + reg = <0xffc09000 0x1000>; + }; + + timer2: timer@ffd00000 { + compatible = "snps,dw-apb-timer-osc"; + interrupts = <0 169 4>; + clock-frequency = <200000000>; + reg = <0xffd00000 0x1000>; + }; + + timer3: timer@ffd01000 { + compatible = "snps,dw-apb-timer-osc"; + interrupts = <0 170 4>; + clock-frequency = <200000000>; + reg = <0xffd01000 0x1000>; + }; + + uart0: uart@ffc02000 { + compatible = "snps,dw-apb-uart"; + reg = <0xffc02000 0x1000>; + clock-frequency = <7372800>; + interrupts = <0 162 4>; + reg-shift = <2>; + reg-io-width = <4>; + }; + + uart1: uart@ffc03000 { + compatible = "snps,dw-apb-uart"; + reg = <0xffc03000 0x1000>; + clock-frequency = <7372800>; + interrupts = <0 163 4>; + reg-shift = <2>; + reg-io-width = <4>; + }; + }; +}; diff --git a/arch/arm/boot/dts/socfpga_cyclone5.dts b/arch/arm/boot/dts/socfpga_cyclone5.dts new file mode 100644 index 000000000000..ab7e4a94299f --- /dev/null +++ b/arch/arm/boot/dts/socfpga_cyclone5.dts @@ -0,0 +1,34 @@ +/* + * 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/>. + */ + +/dts-v1/; +/include/ "socfpga.dtsi" + +/ { + model = "Altera SOCFPGA Cyclone V"; + compatible = "altr,socfpga-cyclone5"; + + chosen { + bootargs = "console=ttyS0,57600"; + }; + + memory { + name = "memory"; + device_type = "memory"; + reg = <0x0 0x10000000>; /* 256MB */ + }; +}; diff --git a/arch/arm/configs/socfpga_defconfig b/arch/arm/configs/socfpga_defconfig new file mode 100644 index 000000000000..0ac1293dba10 --- /dev/null +++ b/arch/arm/configs/socfpga_defconfig @@ -0,0 +1,83 @@ +CONFIG_EXPERIMENTAL=y +CONFIG_SYSVIPC=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +CONFIG_CGROUPS=y +CONFIG_CPUSETS=y +CONFIG_NAMESPACES=y +CONFIG_EMBEDDED=y +CONFIG_PROFILING=y +CONFIG_OPROFILE=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +# CONFIG_LBDAF is not set +# CONFIG_BLK_DEV_BSG is not set +# CONFIG_IOSCHED_DEADLINE is not set +# CONFIG_IOSCHED_CFQ is not set +CONFIG_ARCH_SOCFPGA=y +CONFIG_MACH_SOCFPGA_CYCLONE5=y +CONFIG_ARM_THUMBEE=y +# CONFIG_CACHE_L2X0 is not set +CONFIG_HIGH_RES_TIMERS=y +CONFIG_VMSPLIT_2G=y +CONFIG_NR_CPUS=2 +CONFIG_AEABI=y +CONFIG_ZBOOT_ROM_TEXT=0x0 +CONFIG_ZBOOT_ROM_BSS=0x0 +CONFIG_CMDLINE="" +CONFIG_VFP=y +CONFIG_NEON=y +CONFIG_NET=y +CONFIG_PACKET=y +CONFIG_UNIX=y +CONFIG_NET_KEY=y +CONFIG_NET_KEY_MIGRATE=y +CONFIG_INET=y +CONFIG_IP_MULTICAST=y +CONFIG_IP_PNP=y +CONFIG_IP_PNP_DHCP=y +CONFIG_IP_PNP_BOOTP=y +CONFIG_IP_PNP_RARP=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_PROC_DEVICETREE=y +CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM_COUNT=2 +CONFIG_BLK_DEV_RAM_SIZE=8192 +CONFIG_SCSI=y +# CONFIG_SCSI_PROC_FS is not set +CONFIG_BLK_DEV_SD=y +# CONFIG_SCSI_LOWLEVEL is not set +CONFIG_NETDEVICES=y +CONFIG_STMMAC_ETH=y +# CONFIG_STMMAC_PHY_ID_ZERO_WORKAROUND is not set +CONFIG_INPUT_EVDEV=y +# CONFIG_SERIO_SERPORT is not set +CONFIG_SERIO_AMBAKMI=y +CONFIG_LEGACY_PTY_COUNT=16 +CONFIG_SERIAL_8250=y +CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_NR_UARTS=2 +CONFIG_SERIAL_8250_RUNTIME_UARTS=2 +CONFIG_SERIAL_8250_DW=y +# CONFIG_RTC_HCTOSYS is not set +CONFIG_EXT2_FS=y +CONFIG_EXT2_FS_XATTR=y +CONFIG_EXT2_FS_POSIX_ACL=y +# CONFIG_DNOTIFY is not set +# CONFIG_INOTIFY_USER is not set +CONFIG_VFAT_FS=y +CONFIG_NTFS_FS=y +CONFIG_NTFS_RW=y +CONFIG_TMPFS=y +CONFIG_JFFS2_FS=y +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ISO8859_1=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DETECT_HUNG_TASK=y +# CONFIG_SCHED_DEBUG is not set +CONFIG_DEBUG_INFO=y +CONFIG_ENABLE_DEFAULT_TRACERS=y +CONFIG_DEBUG_USER=y +CONFIG_XZ_DEC=y diff --git a/arch/arm/mach-socfpga/Makefile b/arch/arm/mach-socfpga/Makefile new file mode 100644 index 000000000000..4fb93240971d --- /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 000000000000..dae9661a7689 --- /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 000000000000..d6f26d23374f --- /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 000000000000..43df4354e461 --- /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 000000000000..bbe20e696325 --- /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 000000000000..f01e1ebf5396 --- /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 diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index b9a5158a30b1..96014e89f1ac 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -4,4 +4,5 @@ obj-$(CONFIG_COMMON_CLK) += clk.o clk-fixed-rate.o clk-gate.o \ clk-mux.o clk-divider.o clk-fixed-factor.o # SoCs specific obj-$(CONFIG_ARCH_MXS) += mxs/ +obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/ obj-$(CONFIG_PLAT_SPEAR) += spear/ diff --git a/drivers/clk/socfpga/Makefile b/drivers/clk/socfpga/Makefile new file mode 100644 index 000000000000..0303c0b99cd0 --- /dev/null +++ b/drivers/clk/socfpga/Makefile @@ -0,0 +1 @@ +obj-y += clk.o diff --git a/drivers/clk/socfpga/clk.c b/drivers/clk/socfpga/clk.c new file mode 100644 index 000000000000..2c855a6394ff --- /dev/null +++ b/drivers/clk/socfpga/clk.c @@ -0,0 +1,51 @@ +/* + * 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 <linux/clk.h> +#include <linux/clkdev.h> +#include <linux/clk-provider.h> + +#define SOCFPGA_OSC1_CLK 10000000 +#define SOCFPGA_MPU_CLK 800000000 +#define SOCFPGA_MAIN_QSPI_CLK 432000000 +#define SOCFPGA_MAIN_NAND_SDMMC_CLK 250000000 +#define SOCFPGA_S2F_USR_CLK 125000000 + +void __init socfpga_init_clocks(void) +{ + struct clk *clk; + + clk = clk_register_fixed_rate(NULL, "osc1_clk", NULL, CLK_IS_ROOT, SOCFPGA_OSC1_CLK); + clk_register_clkdev(clk, "osc1_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "mpu_clk", NULL, CLK_IS_ROOT, SOCFPGA_MPU_CLK); + clk_register_clkdev(clk, "mpu_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "main_clk", NULL, CLK_IS_ROOT, SOCFPGA_MPU_CLK/2); + clk_register_clkdev(clk, "main_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "dbg_base_clk", NULL, CLK_IS_ROOT, SOCFPGA_MPU_CLK/2); + clk_register_clkdev(clk, "dbg_base_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "main_qspi_clk", NULL, CLK_IS_ROOT, SOCFPGA_MAIN_QSPI_CLK); + clk_register_clkdev(clk, "main_qspi_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "main_nand_sdmmc_clk", NULL, CLK_IS_ROOT, SOCFPGA_MAIN_NAND_SDMMC_CLK); + clk_register_clkdev(clk, "main_nand_sdmmc_clk", NULL); + + clk = clk_register_fixed_rate(NULL, "s2f_usr_clk", NULL, CLK_IS_ROOT, SOCFPGA_S2F_USR_CLK); + clk_register_clkdev(clk, "s2f_usr_clk", NULL); +} diff --git a/include/linux/dw_apb_timer.h b/include/linux/dw_apb_timer.h index 07261d52a6df..1148575fd134 100644 --- a/include/linux/dw_apb_timer.h +++ b/include/linux/dw_apb_timer.h @@ -53,4 +53,5 @@ void dw_apb_clocksource_start(struct dw_apb_clocksource *dw_cs); cycle_t dw_apb_clocksource_read(struct dw_apb_clocksource *dw_cs); void dw_apb_clocksource_unregister(struct dw_apb_clocksource *dw_cs); +extern struct sys_timer dw_apb_timer; #endif /* __DW_APB_TIMER_H__ */ |
