diff options
| -rw-r--r-- | arch/arm/boot/dts/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/sh73a0-kzm9g-reference.dts | 41 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g-reference.c | 87 |
5 files changed, 140 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7965b9ad99d9..ee9fbe4d9912 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -138,6 +138,7 @@ dtb-$(CONFIG_ARCH_SHMOBILE) += emev2-kzm9d.dtb \ r8a7740-armadillo800eva.dtb \ r8a7779-marzen-reference.dtb \ sh73a0-kzm9g.dtb \ + sh73a0-kzm9g-reference.dtb \ sh7372-mackerel.dtb dtb-$(CONFIG_ARCH_SOCFPGA) += socfpga_cyclone5.dtb \ socfpga_vt.dtb diff --git a/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts new file mode 100644 index 000000000000..06f52f98f90d --- /dev/null +++ b/arch/arm/boot/dts/sh73a0-kzm9g-reference.dts @@ -0,0 +1,41 @@ +/* + * Device Tree Source for the KZM-A9-GT board + * + * Copyright (C) 2012 Horms Solutions Ltd. + * + * Based on sh73a0-kzm9g.dts + * Copyright (C) 2012 Renesas Solutions Corp. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +/dts-v1/; +/include/ "sh73a0-reference.dtsi" + +/ { + model = "KZM-A9-GT"; + compatible = "renesas,kzm9g-reference", "renesas,sh73a0"; + + chosen { + bootargs = "console=tty0 console=ttySC4,115200 root=/dev/nfs ip=dhcp ignore_loglevel earlyprintk=sh-sci.4,115200"; + }; + + memory { + device_type = "memory"; + reg = <0x41000000 0x1e800000>; + }; + + fixedregulator1v8: fixedregulator@0 { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; +}; + +&mmcif { + vmmc-supply = <&fixedregulator1v8>; + vqmmc-supply = <&fixedregulator1v8>; +}; diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig index b15d4ffcd9a2..0c48af9b1a0f 100644 --- a/arch/arm/mach-shmobile/Kconfig +++ b/arch/arm/mach-shmobile/Kconfig @@ -129,6 +129,16 @@ config MACH_KZM9G select SND_SOC_AK4642 if SND_SIMPLE_CARD select USE_OF +config MACH_KZM9G_REFERENCE + bool "KZM-A9-GT board - Reference Device Tree Implementation" + depends on MACH_KZM9G + ---help--- + Use reference implementation of KZM-A9-GT board support + which makes as greater use of device tree at the expense + of not supporting a number of devices. + + This is intended to aid developers + comment "SH-Mobile System Configuration" config CPU_HAS_INTEVT diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile index 3705d4f7096b..c621edfa6ead 100644 --- a/arch/arm/mach-shmobile/Makefile +++ b/arch/arm/mach-shmobile/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_MACH_MARZEN_REFERENCE) += board-marzen-reference.o obj-$(CONFIG_MACH_ARMADILLO800EVA) += board-armadillo800eva.o obj-$(CONFIG_MACH_KZM9D) += board-kzm9d.o obj-$(CONFIG_MACH_KZM9G) += board-kzm9g.o +obj-$(CONFIG_MACH_KZM9G_REFERENCE) += board-kzm9g-reference.o # Framework support obj-$(CONFIG_SMP) += $(smp-y) diff --git a/arch/arm/mach-shmobile/board-kzm9g-reference.c b/arch/arm/mach-shmobile/board-kzm9g-reference.c new file mode 100644 index 000000000000..caba1bb62f84 --- /dev/null +++ b/arch/arm/mach-shmobile/board-kzm9g-reference.c @@ -0,0 +1,87 @@ +/* + * KZM-A9-GT board support - Reference Device Tree Implementation + * + * Copyright (C) 2012 Horms Solutions Ltd. + * + * Based on board-kzm9g.c + * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.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; version 2 of the License. + * + * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/input.h> +#include <linux/of_platform.h> +#include <linux/pinctrl/machine.h> +#include <mach/sh73a0.h> +#include <mach/common.h> +#include <asm/hardware/cache-l2x0.h> +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +static const struct pinctrl_map kzm_pinctrl_map[] = { + PIN_MAP_MUX_GROUP_DEFAULT("i2c-sh_mobile.3", "pfc-sh73a0", + "i2c3_1", "i2c3"), + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", + "scifa4_data", "scifa4"), + PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", + "scifa4_ctrl", "scifa4"), +}; + +static void __init kzm_init(void) +{ + sh73a0_add_standard_devices_dt(); + pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map)); + +#ifdef CONFIG_CACHE_L2X0 + /* Early BRESP enable, Shared attribute override enable, 64K*8way */ + l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); +#endif +} + +static void kzm9g_restart(char mode, const char *cmd) +{ +#define RESCNT2 IOMEM(0xe6188020) + /* Do soft power on reset */ + writel((1 << 31), RESCNT2); +} + +static const char *kzm9g_boards_compat_dt[] __initdata = { + "renesas,kzm9g-reference", + NULL, +}; + +/* Please note that the clock initialisation shcheme used in + * sh73a0_add_early_devices_dt() and sh73a0_add_standard_devices_dt() + * does not work with SMP as there is a yet to be resolved lock-up in + * workqueue initialisation. + * + * CONFIG_SMP should be disabled when using this code. + */ +DT_MACHINE_START(KZM9G_DT, "kzm9g-reference") + .smp = smp_ops(sh73a0_smp_ops), + .map_io = sh73a0_map_io, + .init_early = sh73a0_init_delay, + .nr_irqs = NR_IRQS_LEGACY, + .init_irq = irqchip_init, + .init_machine = kzm_init, + .init_late = shmobile_init_late, + .init_time = shmobile_timer_init, + .restart = kzm9g_restart, + .dt_compat = kzm9g_boards_compat_dt, +MACHINE_END |