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
 33static 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
 45static 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};
 54
 55void __init omap2_set_globals_242x(void)
 56{
 57	__omap2_set_globals(&omap242x_globals);
 58}
 59#endif
 60
 61#if defined(CONFIG_SOC_OMAP2430)
 62
 63static struct omap_globals omap243x_globals = {
 64	.class	= OMAP243X_CLASS,
 65	.tap	= OMAP2_L4_IO_ADDRESS(0x4900a000),
 66	.sdrc	= OMAP243X_SDRC_BASE,
 67	.sms	= OMAP243X_SMS_BASE,
 68	.ctrl	= OMAP243X_CTRL_BASE,
 69	.prm	= OMAP2430_PRM_BASE,
 70	.cm	= OMAP2430_CM_BASE,
 71};
 72
 73void __init omap2_set_globals_243x(void)
 74{
 75	__omap2_set_globals(&omap243x_globals);
 76}
 77#endif
 78
 79#if defined(CONFIG_ARCH_OMAP3)
 80
 81static struct omap_globals omap3_globals = {
 82	.class	= OMAP343X_CLASS,
 83	.tap	= OMAP2_L4_IO_ADDRESS(0x4830A000),
 84	.sdrc	= OMAP343X_SDRC_BASE,
 85	.sms	= OMAP343X_SMS_BASE,
 86	.ctrl	= OMAP343X_CTRL_BASE,
 87	.prm	= OMAP3430_PRM_BASE,
 88	.cm	= OMAP3430_CM_BASE,
 89};
 90
 91void __init omap2_set_globals_3xxx(void)
 92{
 93	__omap2_set_globals(&omap3_globals);
 94}
 95
 96void __init omap3_map_io(void)
 97{
 98	omap2_set_globals_3xxx();
 99	omap34xx_map_common_io();
100}
101
102/*
103 * Adjust TAP register base such that omap3_check_revision accesses the correct
104 * TI816X register for checking device ID (it adds 0x204 to tap base while
105 * TI816X DEVICE ID register is at offset 0x600 from control base).
106 */
107#define TI816X_TAP_BASE		(TI816X_CTRL_BASE + \
108				TI816X_CONTROL_DEVICE_ID - 0x204)
109
110static struct omap_globals ti816x_globals = {
111	.class  = OMAP343X_CLASS,
112	.tap    = OMAP2_L4_IO_ADDRESS(TI816X_TAP_BASE),
113	.ctrl   = TI816X_CTRL_BASE,
114	.prm    = TI816X_PRCM_BASE,
115	.cm     = TI816X_PRCM_BASE,
116};
117
118void __init omap2_set_globals_ti816x(void)
119{
120	__omap2_set_globals(&ti816x_globals);
121}
122#endif
123
124#if defined(CONFIG_ARCH_OMAP4)
125static struct omap_globals omap4_globals = {
126	.class	= OMAP443X_CLASS,
127	.tap	= OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
128	.ctrl	= OMAP443X_SCM_BASE,
129	.ctrl_pad	= OMAP443X_CTRL_BASE,
130	.prm	= OMAP4430_PRM_BASE,
131	.cm	= OMAP4430_CM_BASE,
132	.cm2	= OMAP4430_CM2_BASE,
133};
134
135void __init omap2_set_globals_443x(void)
136{
137	omap2_set_globals_tap(&omap4_globals);
138	omap2_set_globals_control(&omap4_globals);
139	omap2_set_globals_prcm(&omap4_globals);
140}
141#endif
142

 1// SPDX-License-Identifier: GPL-2.0-only
 2/*
 3 * linux/arch/arm/mach-omap2/common.c
 4 *
 5 * Code common to all OMAP2+ machines.
 6 *
 7 * Copyright (C) 2009 Texas Instruments
 8 * Copyright (C) 2010 Nokia Corporation
 9 * Tony Lindgren <tony@atomide.com>
10 * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
 
 
 
 
11 */
12#include <linux/kernel.h>
13#include <linux/init.h>
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
14
15#include "common.h"
16#include "omap-secure.h"
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
17
18/*
19 * Stub function for OMAP2 so that common files
20 * continue to build when custom builds are used
 
21 */
22int __weak omap_secure_ram_reserve_memblock(void)
 
 
 
 
 
 
 
 
 
 
 
23{
24	return 0;
25}
 
 
 
 
 
 
 
 
 
 
 
 
26
27void __init omap_reserve(void)
28{
29	omap_secure_ram_reserve_memblock();
30	omap_barrier_reserve_memblock();
 
31}