arch/arm/mach-omap2/common.c

   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 #endif
 112
 113 #if defined(CONFIG_ARCH_OMAP4)
 114 static struct omap_globals omap4_globals = {
 115         .class  = OMAP443X_CLASS,
 116         .tap    = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
 117         .ctrl   = OMAP443X_SCM_BASE,
 118         .ctrl_pad       = OMAP443X_CTRL_BASE,
 119         .prm    = OMAP4430_PRM_BASE,
 120         .cm     = OMAP4430_CM_BASE,
 121         .cm2    = OMAP4430_CM2_BASE,
 122         .uart1_phys     = OMAP4_UART1_BASE,
 123         .uart2_phys     = OMAP4_UART2_BASE,
 124         .uart3_phys     = OMAP4_UART3_BASE,
 125         .uart4_phys     = OMAP4_UART4_BASE,
 126 };
 127
 128 void __init omap2_set_globals_443x(void)
 129 {
 130         omap2_set_globals_tap(&omap4_globals);
 131         omap2_set_globals_control(&omap4_globals);
 132         omap2_set_globals_prcm(&omap4_globals);
 133 }
 134 #endif
 135