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 "common.h" 24 #include "common-board-devices.h" 25 26 /* 27 * XXX: Still needed to boot until the i2c & twl driver is adapted to 28 * device-tree 29 */ 30 #ifdef CONFIG_ARCH_OMAP4 31 static struct twl4030_platform_data sdp4430_twldata = { 32 .irq_base = TWL6030_IRQ_BASE, 33 .irq_end = TWL6030_IRQ_END, 34 }; 35 36 static void __init omap4_i2c_init(void) 37 { 38 omap4_pmic_init("twl6030", &sdp4430_twldata); 39 } 40 #endif 41 42 #ifdef CONFIG_ARCH_OMAP3 43 static struct twl4030_platform_data beagle_twldata = { 44 .irq_base = TWL4030_IRQ_BASE, 45 .irq_end = TWL4030_IRQ_END, 46 }; 47 48 static void __init omap3_i2c_init(void) 49 { 50 omap3_pmic_init("twl4030", &beagle_twldata); 51 } 52 #endif 53 54 static struct of_device_id omap_dt_match_table[] __initdata = { 55 { .compatible = "simple-bus", }, 56 { .compatible = "ti,omap-infra", }, 57 { } 58 }; 59 60 static struct of_device_id intc_match[] __initdata = { 61 { .compatible = "ti,omap3-intc", }, 62 { .compatible = "arm,cortex-a9-gic", }, 63 { } 64 }; 65 66 static void __init omap_generic_init(void) 67 { 68 struct device_node *node = of_find_matching_node(NULL, intc_match); 69 if (node) 70 irq_domain_add_simple(node, 0); 71 72 omap_sdrc_init(NULL, NULL); 73 74 of_platform_populate(NULL, omap_dt_match_table, NULL, NULL); 75 } 76 77 #ifdef CONFIG_ARCH_OMAP4 78 static void __init omap4_init(void) 79 { 80 omap4_i2c_init(); 81 omap_generic_init(); 82 } 83 #endif 84 85 #ifdef CONFIG_ARCH_OMAP3 86 static void __init omap3_init(void) 87 { 88 omap3_i2c_init(); 89 omap_generic_init(); 90 } 91 #endif 92 93 #if defined(CONFIG_SOC_OMAP2420) 94 static const char *omap242x_boards_compat[] __initdata = { 95 "ti,omap2420", 96 NULL, 97 }; 98 99 DT_MACHINE_START(OMAP242X_DT, "Generic OMAP2420 (Flattened Device Tree)") 100 .atag_offset = 0x100, 101 .reserve = omap_reserve, 102 .map_io = omap242x_map_io, 103 .init_early = omap2420_init_early, 104 .init_irq = omap2_init_irq, 105 .init_machine = omap_generic_init, 106 .timer = &omap2_timer, 107 .dt_compat = omap242x_boards_compat, 108 .restart = omap_prcm_restart, 109 MACHINE_END 110 #endif 111 112 #if defined(CONFIG_SOC_OMAP2430) 113 static const char *omap243x_boards_compat[] __initdata = { 114 "ti,omap2430", 115 NULL, 116 }; 117 118 DT_MACHINE_START(OMAP243X_DT, "Generic OMAP2430 (Flattened Device Tree)") 119 .atag_offset = 0x100, 120 .reserve = omap_reserve, 121 .map_io = omap243x_map_io, 122 .init_early = omap2430_init_early, 123 .init_irq = omap2_init_irq, 124 .handle_irq = omap2_intc_handle_irq, 125 .init_machine = omap_generic_init, 126 .timer = &omap2_timer, 127 .dt_compat = omap243x_boards_compat, 128 .restart = omap_prcm_restart, 129 MACHINE_END 130 #endif 131 132 #if defined(CONFIG_ARCH_OMAP3) 133 static const char *omap3_boards_compat[] __initdata = { 134 "ti,omap3", 135 NULL, 136 }; 137 138 DT_MACHINE_START(OMAP3_DT, "Generic OMAP3 (Flattened Device Tree)") 139 .atag_offset = 0x100, 140 .reserve = omap_reserve, 141 .map_io = omap3_map_io, 142 .init_early = omap3430_init_early, 143 .init_irq = omap3_init_irq, 144 .init_machine = omap3_init, 145 .timer = &omap3_timer, 146 .dt_compat = omap3_boards_compat, 147 .restart = omap_prcm_restart, 148 MACHINE_END 149 #endif 150 151 #if defined(CONFIG_ARCH_OMAP4) 152 static const char *omap4_boards_compat[] __initdata = { 153 "ti,omap4", 154 NULL, 155 }; 156 157 DT_MACHINE_START(OMAP4_DT, "Generic OMAP4 (Flattened Device Tree)") 158 .atag_offset = 0x100, 159 .reserve = omap_reserve, 160 .map_io = omap4_map_io, 161 .init_early = omap4430_init_early, 162 .init_irq = gic_init_irq, 163 .init_machine = omap4_init, 164 .timer = &omap4_timer, 165 .dt_compat = omap4_boards_compat, 166 .restart = omap_prcm_restart, 167 MACHINE_END 168 #endif 169