1 /* 2 * Copyright (C) 2005 Nokia Corporation 3 * Author: Paul Mundt <paul.mundt@nokia.com> 4 * 5 * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ 6 * 7 * Modified from the original mach-omap/omap2/board-generic.c did by Paul 8 * to support the OMAP2+ device tree boards with an unique board file. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License version 2 as 12 * published by the Free Software Foundation. 13 */ 14 #include <linux/io.h> 15 #include <linux/of_platform.h> 16 #include <linux/irqdomain.h> 17 #include <linux/i2c/twl.h> 18 19 #include <mach/hardware.h> 20 #include <asm/mach/arch.h> 21 22 #include <plat/board.h> 23 #include <plat/common.h> 24 #include <mach/omap4-common.h> 25 #include "common-board-devices.h" 26 27 /* 28 * XXX: Still needed to boot until the i2c & twl driver is adapted to 29 * device-tree 30 */ 31 #ifdef CONFIG_ARCH_OMAP4 32 static struct twl4030_platform_data sdp4430_twldata = { 33 .irq_base = TWL6030_IRQ_BASE, 34 .irq_end = TWL6030_IRQ_END, 35 }; 36 37 static void __init omap4_i2c_init(void) 38 { 39 omap4_pmic_init("twl6030", &sdp4430_twldata); 40 } 41 #endif 42 43 #ifdef CONFIG_ARCH_OMAP3 44 static struct twl4030_platform_data beagle_twldata = { 45 .irq_base = TWL4030_IRQ_BASE, 46 .irq_end = TWL4030_IRQ_END, 47 }; 48 49 static void __init omap3_i2c_init(void) 50 { 51 omap3_pmic_init("twl4030", &beagle_twldata); 52 } 53 #endif 54 55 static struct of_device_id omap_dt_match_table[] __initdata = { 56 { .compatible = "simple-bus", }, 57 { .compatible = "ti,omap-infra", }, 58 { } 59 }; 60 61 static struct of_device_id intc_match[] __initdata = { 62 { .compatible = "ti,omap3-intc", }, 63 { .compatible = "arm,cortex-a9-gic", }, 64 { } 65 }; 66 67 static void __init omap_generic_init(void) 68 { 69 struct device_node *node = of_find_matching_node(NULL, intc_match); 70 if (node) 71 irq_domain_add_simple(node, 0); 72 73 omap_serial_init(); 74 omap_sdrc_init(NULL, NULL); 75 76 of_platform_populate(NULL, omap_dt_match_table, NULL, NULL); 77 } 78 79 #ifdef CONFIG_ARCH_OMAP4 80 static void __init omap4_init(void) 81 { 82 omap4_i2c_init(); 83 omap_generic_init(); 84 } 85 #endif 86 87 #ifdef CONFIG_ARCH_OMAP3 88 static void __init omap3_init(void) 89 { 90 omap3_i2c_init(); 91 omap_generic_init(); 92 } 93 #endif 94 95 #if defined(CONFIG_SOC_OMAP2420) 96 static const char *omap242x_boards_compat[] __initdata = { 97 "ti,omap2420", 98 NULL, 99 }; 100 101 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") 102 .atag_offset = 0x100, 103 .reserve = omap_reserve, 104 .map_io = omap242x_map_io, 105 .init_early = omap2420_init_early, 106 .init_irq = omap2_init_irq, 107 .init_machine = omap_generic_init, 108 .timer = &omap2_timer, 109 .dt_compat = omap242x_boards_compat, 110 MACHINE_END 111 #endif 112 113 #if defined(CONFIG_SOC_OMAP2430) 114 static const char *omap243x_boards_compat[] __initdata = { 115 "ti,omap2430", 116 NULL, 117 }; 118 119 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") 120 .atag_offset = 0x100, 121 .reserve = omap_reserve, 122 .map_io = omap243x_map_io, 123 .init_early = omap2430_init_early, 124 .init_irq = omap2_init_irq, 125 .init_machine = omap_generic_init, 126 .timer = &omap2_timer, 127 .dt_compat = omap243x_boards_compat, 128 MACHINE_END 129 #endif 130 131 #if defined(CONFIG_ARCH_OMAP3) 132 static const char *omap3_boards_compat[] __initdata = { 133 "ti,omap3", 134 NULL, 135 }; 136 137 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") 138 .atag_offset = 0x100, 139 .reserve = omap_reserve, 140 .map_io = omap3_map_io, 141 .init_early = omap3430_init_early, 142 .init_irq = omap3_init_irq, 143 .init_machine = omap3_init, 144 .timer = &omap3_timer, 145 .dt_compat = omap3_boards_compat, 146 MACHINE_END 147 #endif 148 149 #if defined(CONFIG_ARCH_OMAP4) 150 static const char *omap4_boards_compat[] __initdata = { 151 "ti,omap4", 152 NULL, 153 }; 154 155 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") 156 .atag_offset = 0x100, 157 .reserve = omap_reserve, 158 .map_io = omap4_map_io, 159 .init_early = omap4430_init_early, 160 .init_irq = gic_init_irq, 161 .init_machine = omap4_init, 162 .timer = &omap4_timer, 163 .dt_compat = omap4_boards_compat, 164 MACHINE_END 165 #endif 166