diff options
Diffstat (limited to 'arch/arm/mach-shmobile/board-kzm9g-reference.c')
| -rw-r--r-- | arch/arm/mach-shmobile/board-kzm9g-reference.c | 107 |
1 files changed, 107 insertions, 0 deletions
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 00000000000..aefa50d385b --- /dev/null +++ b/arch/arm/mach-shmobile/board-kzm9g-reference.c @@ -0,0 +1,107 @@ +/* + * 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 <linux/pinctrl/pinconf-generic.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 unsigned long pin_pullup_conf[] = { + PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 0), +}; + +static const struct pinctrl_map kzm_pinctrl_map[] = { + PIN_MAP_MUX_GROUP_DEFAULT("e6826000.i2c", "pfc-sh73a0", + "i2c3_1", "i2c3"), + /* MMCIF */ + PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", + "mmc0_data8_0", "mmc0"), + PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", + "mmc0_ctrl_0", "mmc0"), + PIN_MAP_CONFIGS_PIN_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", + "PORT279", pin_pullup_conf), + PIN_MAP_CONFIGS_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", + "mmc0_data8_0", pin_pullup_conf), + /* SCIFA4 */ + 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"), + /* SDHI0 */ + PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", + "sdhi0_data4", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", + "sdhi0_ctrl", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", + "sdhi0_cd", "sdhi0"), + PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", + "sdhi0_wp", "sdhi0"), + /* SDHI2 */ + PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "pfc-sh73a0", + "sdhi2_data4", "sdhi2"), + PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "pfc-sh73a0", + "sdhi2_ctrl", "sdhi2"), +}; + +static void __init kzm_init(void) +{ + sh73a0_add_standard_devices_dt(); + pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map)); + sh73a0_pinmux_init(); + + /* enable SD */ + gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); + gpio_request_one(15, GPIOF_OUT_INIT_HIGH, NULL); /* power */ + + gpio_request_one(14, GPIOF_OUT_INIT_HIGH, NULL); /* power */ + +#ifdef CONFIG_CACHE_L2X0 + /* Early BRESP enable, Shared attribute override enable, 64K*8way */ + l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); +#endif +} + +static const char *kzm9g_boards_compat_dt[] __initdata = { + "renesas,kzm9g-reference", + NULL, +}; + +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_time = shmobile_timer_init, + .dt_compat = kzm9g_boards_compat_dt, +MACHINE_END |