| /* |
| * 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 |
