1 /* 2 * linux/arch/arm/mach-omap2/common.c 3 * 4 * Code common to all OMAP2+ machines. 5 * 6 * Copyright (C) 2009 Texas Instruments 7 * Copyright (C) 2010 Nokia Corporation 8 * Tony Lindgren <tony@atomide.com> 9 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License version 2 as 13 * published by the Free Software Foundation. 14 */ 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/clk.h> 18 #include <linux/io.h> 19 20 #include <plat/hardware.h> 21 #include <plat/board.h> 22 #include <plat/mux.h> 23 #include <plat/clock.h> 24 25 #include "iomap.h" 26 #include "common.h" 27 #include "sdrc.h" 28 #include "control.h" 29 30 /* Global address base setup code */ 31 32 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 33 34 static void __init __omap2_set_globals(struct omap_globals *omap2_globals) 35 { 36 omap2_set_globals_tap(omap2_globals); 37 omap2_set_globals_sdrc(omap2_globals); 38 omap2_set_globals_control(omap2_globals); 39 omap2_set_globals_prcm(omap2_globals); 40 } 41 42 #endif 43 44 #if defined(CONFIG_SOC_OMAP2420) 45 46 static struct omap_globals omap242x_globals = { 47 .class = OMAP242X_CLASS, 48 .tap = OMAP2_L4_IO_ADDRESS(0x48014000), 49 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), 50 .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE), 51 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE), 52 .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE), 53 .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), 54 }; 55 56 void __init omap2_set_globals_242x(void) 57 { 58 __omap2_set_globals(&omap242x_globals); 59 } 60 61 void __init omap242x_map_io(void) 62 { 63 omap242x_map_common_io(); 64 } 65 #endif 66 67 #if defined(CONFIG_SOC_OMAP2430) 68 69 static struct omap_globals omap243x_globals = { 70 .class = OMAP243X_CLASS, 71 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000), 72 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), 73 .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE), 74 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE), 75 .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE), 76 .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), 77 }; 78 79 void __init omap2_set_globals_243x(void) 80 { 81 __omap2_set_globals(&omap243x_globals); 82 } 83 84 void __init omap243x_map_io(void) 85 { 86 omap243x_map_common_io(); 87 } 88 #endif 89 90 #if defined(CONFIG_ARCH_OMAP3) 91 92 static struct omap_globals omap3_globals = { 93 .class = OMAP343X_CLASS, 94 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000), 95 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), 96 .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE), 97 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE), 98 .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE), 99 .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), 100 }; 101 102 void __init omap2_set_globals_3xxx(void) 103 { 104 __omap2_set_globals(&omap3_globals); 105 } 106 107 void __init omap3_map_io(void) 108 { 109 omap34xx_map_common_io(); 110 } 111 112 /* 113 * Adjust TAP register base such that omap3_check_revision accesses the correct 114 * TI81XX register for checking device ID (it adds 0x204 to tap base while 115 * TI81XX DEVICE ID register is at offset 0x600 from control base). 116 */ 117 #define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \ 118 TI81XX_CONTROL_DEVICE_ID - 0x204) 119 120 static struct omap_globals ti81xx_globals = { 121 .class = OMAP343X_CLASS, 122 .tap = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE), 123 .ctrl = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE), 124 .prm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 125 .cm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 126 }; 127 128 void __init omap2_set_globals_ti81xx(void) 129 { 130 __omap2_set_globals(&ti81xx_globals); 131 } 132 133 void __init ti81xx_map_io(void) 134 { 135 omapti81xx_map_common_io(); 136 } 137 138 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \ 139 TI81XX_CONTROL_DEVICE_ID - 0x204) 140 141 static struct omap_globals am33xx_globals = { 142 .class = AM335X_CLASS, 143 .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE), 144 .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE), 145 .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 146 .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 147 }; 148 149 void __init omap2_set_globals_am33xx(void) 150 { 151 __omap2_set_globals(&am33xx_globals); 152 } 153 154 void __init am33xx_map_io(void) 155 { 156 omapam33xx_map_common_io(); 157 } 158 #endif 159 160 #if defined(CONFIG_ARCH_OMAP4) 161 static struct omap_globals omap4_globals = { 162 .class = OMAP443X_CLASS, 163 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 164 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 165 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE), 166 .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE), 167 .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE), 168 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE), 169 .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE), 170 }; 171 172 void __init omap2_set_globals_443x(void) 173 { 174 omap2_set_globals_tap(&omap4_globals); 175 omap2_set_globals_control(&omap4_globals); 176 omap2_set_globals_prcm(&omap4_globals); 177 } 178 179 void __init omap4_map_io(void) 180 { 181 omap44xx_map_common_io(); 182 } 183 #endif 184 185