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/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_ARCH_OMAP2420) 44 45 static struct omap_globals omap242x_globals = { 46 .class = OMAP242X_CLASS, 47 .tap = OMAP2_L4_IO_ADDRESS(0x48014000), 48 .sdrc = OMAP2420_SDRC_BASE, 49 .sms = OMAP2420_SMS_BASE, 50 .ctrl = OMAP242X_CTRL_BASE, 51 .prm = OMAP2420_PRM_BASE, 52 .cm = OMAP2420_CM_BASE, 53 .uart1_phys = OMAP2_UART1_BASE, 54 .uart2_phys = OMAP2_UART2_BASE, 55 .uart3_phys = OMAP2_UART3_BASE, 56 }; 57 58 void __init omap2_set_globals_242x(void) 59 { 60 __omap2_set_globals(&omap242x_globals); 61 } 62 #endif 63 64 #if defined(CONFIG_ARCH_OMAP2430) 65 66 static struct omap_globals omap243x_globals = { 67 .class = OMAP243X_CLASS, 68 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000), 69 .sdrc = OMAP243X_SDRC_BASE, 70 .sms = OMAP243X_SMS_BASE, 71 .ctrl = OMAP243X_CTRL_BASE, 72 .prm = OMAP2430_PRM_BASE, 73 .cm = OMAP2430_CM_BASE, 74 .uart1_phys = OMAP2_UART1_BASE, 75 .uart2_phys = OMAP2_UART2_BASE, 76 .uart3_phys = OMAP2_UART3_BASE, 77 }; 78 79 void __init omap2_set_globals_243x(void) 80 { 81 __omap2_set_globals(&omap243x_globals); 82 } 83 #endif 84 85 #if defined(CONFIG_ARCH_OMAP3) 86 87 static struct omap_globals omap3_globals = { 88 .class = OMAP343X_CLASS, 89 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000), 90 .sdrc = OMAP343X_SDRC_BASE, 91 .sms = OMAP343X_SMS_BASE, 92 .ctrl = OMAP343X_CTRL_BASE, 93 .prm = OMAP3430_PRM_BASE, 94 .cm = OMAP3430_CM_BASE, 95 .uart1_phys = OMAP3_UART1_BASE, 96 .uart2_phys = OMAP3_UART2_BASE, 97 .uart3_phys = OMAP3_UART3_BASE, 98 .uart4_phys = OMAP3_UART4_BASE, /* Only on 3630 */ 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 omap2_set_globals_3xxx(); 109 omap34xx_map_common_io(); 110 } 111 112 /* 113 * Adjust TAP register base such that omap3_check_revision accesses the correct 114 * TI816X register for checking device ID (it adds 0x204 to tap base while 115 * TI816X DEVICE ID register is at offset 0x600 from control base). 116 */ 117 #define TI816X_TAP_BASE (TI816X_CTRL_BASE + \ 118 TI816X_CONTROL_DEVICE_ID - 0x204) 119 120 static struct omap_globals ti816x_globals = { 121 .class = OMAP343X_CLASS, 122 .tap = OMAP2_L4_IO_ADDRESS(TI816X_TAP_BASE), 123 .ctrl = TI816X_CTRL_BASE, 124 .prm = TI816X_PRCM_BASE, 125 .cm = TI816X_PRCM_BASE, 126 }; 127 128 void __init omap2_set_globals_ti816x(void) 129 { 130 __omap2_set_globals(&ti816x_globals); 131 } 132 #endif 133 134 #if defined(CONFIG_ARCH_OMAP4) 135 static struct omap_globals omap4_globals = { 136 .class = OMAP443X_CLASS, 137 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE), 138 .ctrl = OMAP443X_SCM_BASE, 139 .ctrl_pad = OMAP443X_CTRL_BASE, 140 .prm = OMAP4430_PRM_BASE, 141 .cm = OMAP4430_CM_BASE, 142 .cm2 = OMAP4430_CM2_BASE, 143 .uart1_phys = OMAP4_UART1_BASE, 144 .uart2_phys = OMAP4_UART2_BASE, 145 .uart3_phys = OMAP4_UART3_BASE, 146 .uart4_phys = OMAP4_UART4_BASE, 147 }; 148 149 void __init omap2_set_globals_443x(void) 150 { 151 omap2_set_globals_tap(&omap4_globals); 152 omap2_set_globals_control(&omap4_globals); 153 omap2_set_globals_prcm(&omap4_globals); 154 } 155 #endif 156 157