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b8b82b29 SH |
1 | /* |
2 | * KZM-A9-GT board support - Reference Device Tree Implementation | |
3 | * | |
4 | * Copyright (C) 2012 Horms Solutions Ltd. | |
5 | * | |
6 | * Based on board-kzm9g.c | |
7 | * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
23 | #include <linux/delay.h> | |
24 | #include <linux/gpio.h> | |
25 | #include <linux/io.h> | |
26 | #include <linux/irq.h> | |
27 | #include <linux/irqchip.h> | |
28 | #include <linux/input.h> | |
29 | #include <linux/of_platform.h> | |
30 | #include <linux/pinctrl/machine.h> | |
f017d011 | 31 | #include <linux/pinctrl/pinconf-generic.h> |
b8b82b29 SH |
32 | #include <mach/sh73a0.h> |
33 | #include <mach/common.h> | |
34 | #include <asm/hardware/cache-l2x0.h> | |
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | ||
f017d011 GL |
38 | static unsigned long pin_pullup_conf[] = { |
39 | PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 0), | |
40 | }; | |
41 | ||
b8b82b29 | 42 | static const struct pinctrl_map kzm_pinctrl_map[] = { |
a463f731 | 43 | PIN_MAP_MUX_GROUP_DEFAULT("e6826000.i2c", "pfc-sh73a0", |
b8b82b29 | 44 | "i2c3_1", "i2c3"), |
f017d011 | 45 | /* MMCIF */ |
a463f731 | 46 | PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", |
f017d011 | 47 | "mmc0_data8_0", "mmc0"), |
a463f731 | 48 | PIN_MAP_MUX_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", |
f017d011 | 49 | "mmc0_ctrl_0", "mmc0"), |
a463f731 | 50 | PIN_MAP_CONFIGS_PIN_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", |
f017d011 | 51 | "PORT279", pin_pullup_conf), |
a463f731 | 52 | PIN_MAP_CONFIGS_GROUP_DEFAULT("e6bd0000.mmcif", "pfc-sh73a0", |
f017d011 GL |
53 | "mmc0_data8_0", pin_pullup_conf), |
54 | /* SCIFA4 */ | |
b8b82b29 SH |
55 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", |
56 | "scifa4_data", "scifa4"), | |
57 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.4", "pfc-sh73a0", | |
58 | "scifa4_ctrl", "scifa4"), | |
f017d011 | 59 | /* SDHI0 */ |
a463f731 | 60 | PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", |
f017d011 | 61 | "sdhi0_data4", "sdhi0"), |
a463f731 | 62 | PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", |
f017d011 | 63 | "sdhi0_ctrl", "sdhi0"), |
a463f731 | 64 | PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", |
f017d011 | 65 | "sdhi0_cd", "sdhi0"), |
a463f731 | 66 | PIN_MAP_MUX_GROUP_DEFAULT("ee100000.sdhi", "pfc-sh73a0", |
f017d011 GL |
67 | "sdhi0_wp", "sdhi0"), |
68 | /* SDHI2 */ | |
a463f731 | 69 | PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "pfc-sh73a0", |
f017d011 | 70 | "sdhi2_data4", "sdhi2"), |
a463f731 | 71 | PIN_MAP_MUX_GROUP_DEFAULT("ee140000.sdhi", "pfc-sh73a0", |
f017d011 | 72 | "sdhi2_ctrl", "sdhi2"), |
b8b82b29 SH |
73 | }; |
74 | ||
75 | static void __init kzm_init(void) | |
76 | { | |
77 | sh73a0_add_standard_devices_dt(); | |
78 | pinctrl_register_mappings(kzm_pinctrl_map, ARRAY_SIZE(kzm_pinctrl_map)); | |
275cc1d4 | 79 | sh73a0_pinmux_init(); |
b8b82b29 | 80 | |
f017d011 GL |
81 | /* enable SD */ |
82 | gpio_request(GPIO_FN_SDHI0_VCCQ_MC0_ON, NULL); | |
a463f731 | 83 | gpio_request_one(15, GPIOF_OUT_INIT_HIGH, NULL); /* power */ |
f017d011 | 84 | |
a463f731 | 85 | gpio_request_one(14, GPIOF_OUT_INIT_HIGH, NULL); /* power */ |
f017d011 | 86 | |
b8b82b29 SH |
87 | #ifdef CONFIG_CACHE_L2X0 |
88 | /* Early BRESP enable, Shared attribute override enable, 64K*8way */ | |
89 | l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff); | |
90 | #endif | |
91 | } | |
92 | ||
b8b82b29 SH |
93 | static const char *kzm9g_boards_compat_dt[] __initdata = { |
94 | "renesas,kzm9g-reference", | |
95 | NULL, | |
96 | }; | |
97 | ||
b8b82b29 SH |
98 | DT_MACHINE_START(KZM9G_DT, "kzm9g-reference") |
99 | .smp = smp_ops(sh73a0_smp_ops), | |
100 | .map_io = sh73a0_map_io, | |
101 | .init_early = sh73a0_init_delay, | |
102 | .nr_irqs = NR_IRQS_LEGACY, | |
103 | .init_irq = irqchip_init, | |
104 | .init_machine = kzm_init, | |
b8b82b29 | 105 | .init_time = shmobile_timer_init, |
b8b82b29 SH |
106 | .dt_compat = kzm9g_boards_compat_dt, |
107 | MACHINE_END |