projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4d22e564 KM |
1 | /* |
| 2 | * armadillo 800 eva board support | |
| 3 | * | |
| 4 | * Copyright (C) 2012 Renesas Solutions Corp. | |
| 5 | * Copyright (C) 2012 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; version 2 of the License. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | * | |
| 20 | */ | |
| 21 | ||
| 22 | #include <linux/clk.h> | |
| 23 | #include <linux/err.h> | |
| 24 | #include <linux/kernel.h> | |
| 25 | #include <linux/platform_device.h> | |
| 26 | #include <linux/gpio.h> | |
| 27 | #include <mach/common.h> | |
| 28 | #include <mach/irqs.h> | |
| 29 | #include <asm/page.h> | |
| 30 | #include <asm/mach-types.h> | |
| 31 | #include <asm/mach/arch.h> | |
| 32 | #include <asm/mach/map.h> | |
| 33 | #include <asm/mach/time.h> | |
| 34 | #include <asm/hardware/cache-l2x0.h> | |
| 35 | #include <mach/r8a7740.h> | |
| 36 | ||
| 37 | /* | |
| 38 | * CON1 Camera Module | |
| 39 | * CON2 Extension Bus | |
| 40 | * CON3 HDMI Output | |
| 41 | * CON4 Composite Video Output | |
| 42 | * CON5 H-UDI JTAG | |
| 43 | * CON6 ARM JTAG | |
| 44 | * CON7 SD1 | |
| 45 | * CON8 SD2 | |
| 46 | * CON9 RTC BackUp | |
| 47 | * CON10 Monaural Mic Input | |
| 48 | * CON11 Stereo Headphone Output | |
| 49 | * CON12 Audio Line Output(L) | |
| 50 | * CON13 Audio Line Output(R) | |
| 51 | * CON14 AWL13 Module | |
| 52 | * CON15 Extension | |
| 53 | * CON16 LCD1 | |
| 54 | * CON17 LCD2 | |
| 55 | * CON19 Power Input | |
| 56 | * CON20 USB1 | |
| 57 | * CON21 USB2 | |
| 58 | * CON22 Serial | |
| 59 | * CON23 LAN | |
| 60 | * CON24 USB3 | |
| 61 | * LED1 Camera LED(Yellow) | |
| 62 | * LED2 Power LED (Green) | |
| 63 | * ED3-LED6 User LED(Yellow) | |
| 64 | * LED7 LAN link LED(Green) | |
| 65 | * LED8 LAN activity LED(Yellow) | |
| 66 | */ | |
| 67 | ||
| 68 | /* | |
| 69 | * DipSwitch | |
| 70 | * | |
| 71 | * SW1 | |
| 72 | * | |
| 73 | * -12345678-+---------------+---------------------------- | |
| 74 | * 1 | boot | hermit | |
| 75 | * 0 | boot | OS auto boot | |
| 76 | * -12345678-+---------------+---------------------------- | |
| 77 | * 00 | boot device | eMMC | |
| 78 | * 10 | boot device | SDHI0 (CON7) | |
| 79 | * 01 | boot device | - | |
| 80 | * 11 | boot device | Extension Buss (CS0) | |
| 81 | * -12345678-+---------------+---------------------------- | |
| 82 | * 0 | Extension Bus | D8-D15 disable, eMMC enable | |
| 83 | * 1 | Extension Bus | D8-D15 enable, eMMC disable | |
| 84 | * -12345678-+---------------+---------------------------- | |
| 85 | * 0 | SDHI1 | COM8 enable, COM14 disable | |
| 86 | * 1 | SDHI1 | COM8 enable, COM14 disable | |
| 87 | * -12345678-+---------------+---------------------------- | |
| 88 | * 00 | JTAG | SH-X2 | |
| 89 | * 10 | JTAG | ARM | |
| 90 | * 01 | JTAG | - | |
| 91 | * 11 | JTAG | Boundary Scan | |
| 92 | *-----------+---------------+---------------------------- | |
| 93 | */ | |
| 94 | ||
| 95 | /* | |
| 96 | * board devices | |
| 97 | */ | |
| 98 | static struct platform_device *eva_devices[] __initdata = { | |
| 99 | }; | |
| 100 | ||
| 101 | /* | |
| 102 | * board init | |
| 103 | */ | |
| 104 | static void __init eva_init(void) | |
| 105 | { | |
| 106 | r8a7740_pinmux_init(); | |
| 107 | ||
| 108 | /* SCIFA1 */ | |
| 109 | gpio_request(GPIO_FN_SCIFA1_RXD, NULL); | |
| 110 | gpio_request(GPIO_FN_SCIFA1_TXD, NULL); | |
| 111 | ||
| 112 | #ifdef CONFIG_CACHE_L2X0 | |
| 113 | /* Early BRESP enable, Shared attribute override enable, 32K*8way */ | |
| 114 | l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff); | |
| 115 | #endif | |
| 116 | ||
| 117 | r8a7740_add_standard_devices(); | |
| 118 | ||
| 119 | platform_add_devices(eva_devices, | |
| 120 | ARRAY_SIZE(eva_devices)); | |
| 121 | } | |
| 122 | ||
| 123 | static void __init eva_earlytimer_init(void) | |
| 124 | { | |
| 125 | struct clk *xtal1; | |
| 126 | ||
| 127 | r8a7740_clock_init(MD_CK0 | MD_CK2); | |
| 128 | ||
| 129 | xtal1 = clk_get(NULL, "extal1"); | |
| 130 | if (!IS_ERR(xtal1)) { | |
| 131 | /* armadillo 800 eva extal1 is 24MHz */ | |
| 132 | clk_set_rate(xtal1, 24000000); | |
| 133 | clk_put(xtal1); | |
| 134 | } | |
| 135 | ||
| 136 | shmobile_earlytimer_init(); | |
| 137 | } | |
| 138 | ||
| 139 | static void __init eva_add_early_devices(void) | |
| 140 | { | |
| 141 | r8a7740_add_early_devices(); | |
| 142 | ||
| 143 | /* override timer setup with board-specific code */ | |
| 144 | shmobile_timer.init = eva_earlytimer_init; | |
| 145 | } | |
| 146 | ||
| 147 | MACHINE_START(ARMADILLO800EVA, "armadillo800eva") | |
| 148 | .map_io = r8a7740_map_io, | |
| 149 | .init_early = eva_add_early_devices, | |
| 150 | .init_irq = r8a7740_init_irq, | |
| 151 | .handle_irq = shmobile_handle_irq_intc, | |
| 152 | .init_machine = eva_init, | |
| 153 | .timer = &shmobile_timer, | |
| 154 | MACHINE_END |