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 static void __init __omap2_set_globals(struct omap_globals *omap2_globals) 33 { 34 omap2_set_globals_tap(omap2_globals); 35 omap2_set_globals_sdrc(omap2_globals); 36 omap2_set_globals_control(omap2_globals); 37 omap2_set_globals_prcm(omap2_globals); 38 } 39 40 #if defined(CONFIG_SOC_OMAP2420) 41 42 static struct omap_globals omap242x_globals = { 43 .class = OMAP242X_CLASS, 44 .tap = OMAP2_L4_IO_ADDRESS(0x48014000), 45 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), 46 .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE), 47 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE), 48 .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE), 49 .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), 50 }; 51 52 void __init omap2_set_globals_242x(void) 53 { 54 __omap2_set_globals(&omap242x_globals); 55 } 56 57 void __init omap242x_map_io(void) 58 { 59 omap242x_map_common_io(); 60 } 61 #endif 62 63 #if defined(CONFIG_SOC_OMAP2430) 64 65 static struct omap_globals omap243x_globals = { 66 .class = OMAP243X_CLASS, 67 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000), 68 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), 69 .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE), 70 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE), 71 .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE), 72 .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), 73 }; 74 75 void __init omap2_set_globals_243x(void) 76 { 77 __omap2_set_globals(&omap243x_globals); 78 } 79 80 void __init omap243x_map_io(void) 81 { 82 omap243x_map_common_io(); 83 } 84 #endif 85 86 #if defined(CONFIG_ARCH_OMAP3) 87 88 static struct omap_globals omap3_globals = { 89 .class = OMAP343X_CLASS, 90 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000), 91 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), 92 .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE), 93 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE), 94 .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE), 95 .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), 96 }; 97 98 void __init omap2_set_globals_3xxx(void) 99 { 100 __omap2_set_globals(&omap3_globals); 101 } 102 103 void __init omap3_map_io(void) 104 { 105 omap34xx_map_common_io(); 106 } 107 108 /* 109 * Adjust TAP register base such that omap3_check_revision accesses the correct 110 * TI81XX register for checking device ID (it adds 0x204 to tap base while 111 * TI81XX DEVICE ID register is at offset 0x600 from control base). 112 */ 113 #define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \ 114 TI81XX_CONTROL_DEVICE_ID - 0x204) 115 116 static struct omap_globals ti81xx_globals = { 117 .class = OMAP343X_CLASS, 118 .tap = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE), 119 .ctrl = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE), 120 .prm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 121 .cm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 122 }; 123 124 void __init omap2_set_globals_ti81xx(void) 125 { 126 __omap2_set_globals(&ti81xx_globals); 127 } 128 129 void __init ti81xx_map_io(void) 130 { 131 omapti81xx_map_common_io(); 132 } 133 #endif 134 135 #if defined(CONFIG_SOC_AM33XX) 136 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \ 137 TI81XX_CONTROL_DEVICE_ID - 0x204) 138 139 static struct omap_globals am33xx_globals = { 140 .class = AM335X_CLASS, 141 .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE), 142 .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE), 143 .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 144 .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 145 }; 146 147 void __init omap2_set_globals_am33xx(void) 148 { 149 __omap2_set_globals(&am33xx_globals); 150 } 151 152 void __init am33xx_map_io(void) 153 { 154 omapam33xx_map_common_io(); 155 } 156 #endif 157 158 #if defined(CONFIG_ARCH_OMAP4) 159 static struct omap_globals omap4_globals = { 160 .class = OMAP443X_CLASS, 161 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 162 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 163 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE), 164 .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE), 165 .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE), 166 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE), 167 .prcm_mpu = OMAP2_L4_IO_ADDRESS(OMAP4430_PRCM_MPU_BASE), 168 }; 169 170 void __init omap2_set_globals_443x(void) 171 { 172 __omap2_set_globals(&omap4_globals); 173 } 174 175 void __init omap4_map_io(void) 176 { 177 omap44xx_map_common_io(); 178 } 179 #endif 180 181