Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Emma Mobile EV2 processor support |
| 3 | * |
| 4 | * Copyright (C) 2012 Magnus Damm |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | #include <linux/kernel.h> |
| 20 | #include <linux/init.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/irq.h> |
| 23 | #include <linux/platform_device.h> |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 24 | #include <linux/platform_data/gpio-em.h> |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 25 | #include <linux/of_platform.h> |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 26 | #include <linux/delay.h> |
| 27 | #include <linux/input.h> |
| 28 | #include <linux/io.h> |
Rob Herring | 520f7bd | 2012-12-27 13:10:24 -0600 | [diff] [blame] | 29 | #include <linux/irqchip/arm-gic.h> |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 30 | #include <mach/common.h> |
| 31 | #include <mach/emev2.h> |
| 32 | #include <mach/irqs.h> |
| 33 | #include <asm/mach-types.h> |
| 34 | #include <asm/mach/arch.h> |
| 35 | #include <asm/mach/map.h> |
| 36 | #include <asm/mach/time.h> |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 37 | |
Magnus Damm | bd5a875 | 2012-05-16 15:45:25 +0900 | [diff] [blame] | 38 | static struct map_desc emev2_io_desc[] __initdata = { |
| 39 | #ifdef CONFIG_SMP |
Magnus Damm | bd5a875 | 2012-05-16 15:45:25 +0900 | [diff] [blame] | 40 | /* 2M mapping for SCU + L2 controller */ |
| 41 | { |
| 42 | .virtual = 0xf0000000, |
| 43 | .pfn = __phys_to_pfn(0x1e000000), |
| 44 | .length = SZ_2M, |
| 45 | .type = MT_DEVICE |
| 46 | }, |
| 47 | #endif |
| 48 | }; |
| 49 | |
| 50 | void __init emev2_map_io(void) |
| 51 | { |
| 52 | iotable_init(emev2_io_desc, ARRAY_SIZE(emev2_io_desc)); |
| 53 | } |
| 54 | |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 55 | /* UART */ |
| 56 | static struct resource uart0_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 57 | DEFINE_RES_MEM(0xe1020000, 0x38), |
| 58 | DEFINE_RES_IRQ(40), |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | static struct resource uart1_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 62 | DEFINE_RES_MEM(0xe1030000, 0x38), |
| 63 | DEFINE_RES_IRQ(41), |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | static struct resource uart2_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 67 | DEFINE_RES_MEM(0xe1040000, 0x38), |
| 68 | DEFINE_RES_IRQ(42), |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | static struct resource uart3_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 72 | DEFINE_RES_MEM(0xe1050000, 0x38), |
| 73 | DEFINE_RES_IRQ(43), |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 74 | }; |
| 75 | |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 76 | #define emev2_register_uart(idx) \ |
| 77 | platform_device_register_simple("serial8250-em", idx, \ |
| 78 | uart##idx##_resources, \ |
| 79 | ARRAY_SIZE(uart##idx##_resources)) |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 80 | |
| 81 | /* STI */ |
| 82 | static struct resource sti_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 83 | DEFINE_RES_MEM(0xe0180000, 0x54), |
| 84 | DEFINE_RES_IRQ(157), |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 85 | }; |
| 86 | |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 87 | #define emev2_register_sti() \ |
| 88 | platform_device_register_simple("em_sti", 0, \ |
| 89 | sti_resources, \ |
| 90 | ARRAY_SIZE(sti_resources)) |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 91 | |
| 92 | /* GIO */ |
| 93 | static struct gpio_em_config gio0_config = { |
| 94 | .gpio_base = 0, |
| 95 | .irq_base = EMEV2_GPIO_IRQ(0), |
| 96 | .number_of_pins = 32, |
| 97 | }; |
| 98 | |
| 99 | static struct resource gio0_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 100 | DEFINE_RES_MEM(0xe0050000, 0x2c), |
| 101 | DEFINE_RES_MEM(0xe0050040, 0x20), |
| 102 | DEFINE_RES_IRQ(99), |
| 103 | DEFINE_RES_IRQ(100), |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | static struct gpio_em_config gio1_config = { |
| 107 | .gpio_base = 32, |
| 108 | .irq_base = EMEV2_GPIO_IRQ(32), |
| 109 | .number_of_pins = 32, |
| 110 | }; |
| 111 | |
| 112 | static struct resource gio1_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 113 | DEFINE_RES_MEM(0xe0050080, 0x2c), |
| 114 | DEFINE_RES_MEM(0xe00500c0, 0x20), |
| 115 | DEFINE_RES_IRQ(101), |
| 116 | DEFINE_RES_IRQ(102), |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 117 | }; |
| 118 | |
| 119 | static struct gpio_em_config gio2_config = { |
| 120 | .gpio_base = 64, |
| 121 | .irq_base = EMEV2_GPIO_IRQ(64), |
| 122 | .number_of_pins = 32, |
| 123 | }; |
| 124 | |
| 125 | static struct resource gio2_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 126 | DEFINE_RES_MEM(0xe0050100, 0x2c), |
| 127 | DEFINE_RES_MEM(0xe0050140, 0x20), |
| 128 | DEFINE_RES_IRQ(103), |
| 129 | DEFINE_RES_IRQ(104), |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | static struct gpio_em_config gio3_config = { |
| 133 | .gpio_base = 96, |
| 134 | .irq_base = EMEV2_GPIO_IRQ(96), |
| 135 | .number_of_pins = 32, |
| 136 | }; |
| 137 | |
| 138 | static struct resource gio3_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 139 | DEFINE_RES_MEM(0xe0050180, 0x2c), |
| 140 | DEFINE_RES_MEM(0xe00501c0, 0x20), |
| 141 | DEFINE_RES_IRQ(105), |
| 142 | DEFINE_RES_IRQ(106), |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 143 | }; |
| 144 | |
| 145 | static struct gpio_em_config gio4_config = { |
| 146 | .gpio_base = 128, |
| 147 | .irq_base = EMEV2_GPIO_IRQ(128), |
| 148 | .number_of_pins = 31, |
| 149 | }; |
| 150 | |
| 151 | static struct resource gio4_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 152 | DEFINE_RES_MEM(0xe0050200, 0x2c), |
| 153 | DEFINE_RES_MEM(0xe0050240, 0x20), |
| 154 | DEFINE_RES_IRQ(107), |
| 155 | DEFINE_RES_IRQ(108), |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 156 | }; |
| 157 | |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 158 | #define emev2_register_gio(idx) \ |
| 159 | platform_device_register_resndata(&platform_bus, "em_gio", \ |
| 160 | idx, gio##idx##_resources, \ |
| 161 | ARRAY_SIZE(gio##idx##_resources), \ |
| 162 | &gio##idx##_config, \ |
| 163 | sizeof(struct gpio_em_config)) |
Magnus Damm | 088efd9 | 2012-05-16 15:45:34 +0900 | [diff] [blame] | 164 | |
Tetsuyuki Kobayashi | e433d44 | 2012-09-06 20:14:07 +0900 | [diff] [blame] | 165 | static struct resource pmu_resources[] = { |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 166 | DEFINE_RES_IRQ(152), |
| 167 | DEFINE_RES_IRQ(153), |
Tetsuyuki Kobayashi | e433d44 | 2012-09-06 20:14:07 +0900 | [diff] [blame] | 168 | }; |
| 169 | |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 170 | #define emev2_register_pmu() \ |
| 171 | platform_device_register_simple("arm-pmu", -1, \ |
| 172 | pmu_resources, \ |
| 173 | ARRAY_SIZE(pmu_resources)) |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 174 | |
| 175 | void __init emev2_add_standard_devices(void) |
| 176 | { |
Magnus Damm | cbc60e7 | 2013-07-18 05:31:18 +0900 | [diff] [blame] | 177 | if (!IS_ENABLED(CONFIG_COMMON_CLK)) |
| 178 | emev2_clock_init(); |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 179 | |
Magnus Damm | 210e179 | 2013-07-02 18:27:49 +0900 | [diff] [blame] | 180 | emev2_register_uart(0); |
| 181 | emev2_register_uart(1); |
| 182 | emev2_register_uart(2); |
| 183 | emev2_register_uart(3); |
| 184 | emev2_register_sti(); |
| 185 | emev2_register_gio(0); |
| 186 | emev2_register_gio(1); |
| 187 | emev2_register_gio(2); |
| 188 | emev2_register_gio(3); |
| 189 | emev2_register_gio(4); |
| 190 | emev2_register_pmu(); |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 191 | } |
| 192 | |
Magnus Damm | 4146fa8 | 2013-07-02 18:27:33 +0900 | [diff] [blame] | 193 | void __init emev2_init_delay(void) |
Magnus Damm | 7f627f0 | 2012-05-16 15:44:58 +0900 | [diff] [blame] | 194 | { |
| 195 | shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */ |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 196 | } |
| 197 | |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 198 | #ifdef CONFIG_USE_OF |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 199 | |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 200 | static const char *emev2_boards_compat_dt[] __initdata = { |
| 201 | "renesas,emev2", |
| 202 | NULL, |
| 203 | }; |
| 204 | |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 205 | DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)") |
Marc Zyngier | a62580e | 2011-09-08 13:15:22 +0100 | [diff] [blame] | 206 | .smp = smp_ops(emev2_smp_ops), |
Magnus Damm | 0ea2b53 | 2013-07-02 18:28:22 +0900 | [diff] [blame] | 207 | .map_io = emev2_map_io, |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 208 | .init_early = emev2_init_delay, |
Magnus Damm | 3d5de27 | 2012-05-16 15:45:54 +0900 | [diff] [blame] | 209 | .dt_compat = emev2_boards_compat_dt, |
| 210 | MACHINE_END |
| 211 | |
| 212 | #endif /* CONFIG_USE_OF */ |