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 "common.h" 21 #include <plat/board.h> 22 #include <plat/mux.h> 23 24 #include <plat/clock.h> 25 26 #include "sdrc.h" 27 #include "control.h" 28 29 /* Global address base setup code */ 30 31 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) 32 33 static void __init __omap2_set_globals(struct omap_globals *omap2_globals) 34 { 35 omap2_set_globals_tap(omap2_globals); 36 omap2_set_globals_sdrc(omap2_globals); 37 omap2_set_globals_control(omap2_globals); 38 omap2_set_globals_prcm(omap2_globals); 39 } 40 41 #endif 42 43 #if defined(CONFIG_SOC_OMAP2420) 44 45 static struct omap_globals omap242x_globals = { 46 .class = OMAP242X_CLASS, 47 .tap = OMAP2_L4_IO_ADDRESS(0x48014000), 48 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE), 49 .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE), 50 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE), 51 .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE), 52 .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE), 53 }; 54 55 void __init omap2_set_globals_242x(void) 56 { 57 __omap2_set_globals(&omap242x_globals); 58 } 59 60 void __init omap242x_map_io(void) 61 { 62 omap242x_map_common_io(); 63 } 64 #endif 65 66 #if defined(CONFIG_SOC_OMAP2430) 67 68 static struct omap_globals omap243x_globals = { 69 .class = OMAP243X_CLASS, 70 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000), 71 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE), 72 .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE), 73 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE), 74 .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE), 75 .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE), 76 }; 77 78 void __init omap2_set_globals_243x(void) 79 { 80 __omap2_set_globals(&omap243x_globals); 81 } 82 83 void __init omap243x_map_io(void) 84 { 85 omap243x_map_common_io(); 86 } 87 #endif 88 89 #if defined(CONFIG_ARCH_OMAP3) 90 91 static struct omap_globals omap3_globals = { 92 .class = OMAP343X_CLASS, 93 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000), 94 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE), 95 .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE), 96 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE), 97 .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE), 98 .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE), 99 }; 100 101 void __init omap2_set_globals_3xxx(void) 102 { 103 __omap2_set_globals(&omap3_globals); 104 } 105 106 void __init omap3_map_io(void) 107 { 108 omap34xx_map_common_io(); 109 } 110 111 /* 112 * Adjust TAP register base such that omap3_check_revision accesses the correct 113 * TI81XX register for checking device ID (it adds 0x204 to tap base while 114 * TI81XX DEVICE ID register is at offset 0x600 from control base). 115 */ 116 #define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \ 117 TI81XX_CONTROL_DEVICE_ID - 0x204) 118 119 static struct omap_globals ti81xx_globals = { 120 .class = OMAP343X_CLASS, 121 .tap = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE), 122 .ctrl = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE), 123 .prm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 124 .cm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE), 125 }; 126 127 void __init omap2_set_globals_ti81xx(void) 128 { 129 __omap2_set_globals(&ti81xx_globals); 130 } 131 132 void __init ti81xx_map_io(void) 133 { 134 omapti81xx_map_common_io(); 135 } 136 137 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \ 138 TI81XX_CONTROL_DEVICE_ID - 0x204) 139 140 static struct omap_globals am33xx_globals = { 141 .class = AM335X_CLASS, 142 .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE), 143 .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE), 144 .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 145 .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), 146 }; 147 148 void __init omap2_set_globals_am33xx(void) 149 { 150 __omap2_set_globals(&am33xx_globals); 151 } 152 153 void __init am33xx_map_io(void) 154 { 155 omapam33xx_map_common_io(); 156 } 157 #endif 158 159 #if defined(CONFIG_ARCH_OMAP4) 160 static struct omap_globals omap4_globals = { 161 .class = OMAP443X_CLASS, 162 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 163 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 164 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE), 165 .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE), 166 .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE), 167 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE), 168 }; 169 170 void __init omap2_set_globals_443x(void) 171 { 172 omap2_set_globals_tap(&omap4_globals); 173 omap2_set_globals_control(&omap4_globals); 174 omap2_set_globals_prcm(&omap4_globals); 175 } 176 177 void __init omap4_map_io(void) 178 { 179 omap44xx_map_common_io(); 180 } 181 #endif 182 183