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Paul Walmsleyaa218da2010-10-08 11:40:19 -06001/*
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
Paul Walmsleyaa218da2010-10-08 11:40:19 -060020#include <plat/board.h>
Paul Walmsleyaa218da2010-10-08 11:40:19 -060021#include <plat/mux.h>
Paul Walmsleyaa218da2010-10-08 11:40:19 -060022#include <plat/clock.h>
23
Tony Lindgrenee0839c2012-02-24 10:34:35 -080024#include "iomap.h"
25#include "common.h"
Paul Walmsleyaa218da2010-10-08 11:40:19 -060026#include "sdrc.h"
Paul Walmsley4814ced2010-10-08 11:40:20 -060027#include "control.h"
Paul Walmsleyaa218da2010-10-08 11:40:19 -060028
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
Tony Lindgren59b479e2011-01-27 16:39:40 -080043#if defined(CONFIG_SOC_OMAP2420)
Paul Walmsleyaa218da2010-10-08 11:40:19 -060044
45static struct omap_globals omap242x_globals = {
46 .class = OMAP242X_CLASS,
47 .tap = OMAP2_L4_IO_ADDRESS(0x48014000),
Tony Lindgren4c3cf902011-10-04 18:17:41 -070048 .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),
Paul Walmsleyaa218da2010-10-08 11:40:19 -060053};
54
55void __init omap2_set_globals_242x(void)
56{
57 __omap2_set_globals(&omap242x_globals);
58}
Benoit Cousson35549ec2011-09-23 22:23:09 +020059
60void __init omap242x_map_io(void)
61{
Benoit Cousson35549ec2011-09-23 22:23:09 +020062 omap242x_map_common_io();
63}
Paul Walmsleyaa218da2010-10-08 11:40:19 -060064#endif
65
Tony Lindgren59b479e2011-01-27 16:39:40 -080066#if defined(CONFIG_SOC_OMAP2430)
Paul Walmsleyaa218da2010-10-08 11:40:19 -060067
68static struct omap_globals omap243x_globals = {
69 .class = OMAP243X_CLASS,
70 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000),
Tony Lindgren4c3cf902011-10-04 18:17:41 -070071 .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),
Paul Walmsleyaa218da2010-10-08 11:40:19 -060076};
77
78void __init omap2_set_globals_243x(void)
79{
80 __omap2_set_globals(&omap243x_globals);
81}
Benoit Cousson35549ec2011-09-23 22:23:09 +020082
83void __init omap243x_map_io(void)
84{
Benoit Cousson35549ec2011-09-23 22:23:09 +020085 omap243x_map_common_io();
86}
Paul Walmsleyaa218da2010-10-08 11:40:19 -060087#endif
88
89#if defined(CONFIG_ARCH_OMAP3)
90
91static struct omap_globals omap3_globals = {
92 .class = OMAP343X_CLASS,
93 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000),
Tony Lindgren4c3cf902011-10-04 18:17:41 -070094 .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),
Paul Walmsleyaa218da2010-10-08 11:40:19 -060099};
100
101void __init omap2_set_globals_3xxx(void)
102{
103 __omap2_set_globals(&omap3_globals);
104}
105
106void __init omap3_map_io(void)
107{
Paul Walmsleyaa218da2010-10-08 11:40:19 -0600108 omap34xx_map_common_io();
109}
Hemant Pedanekar01001712011-02-16 08:31:39 -0800110
111/*
112 * Adjust TAP register base such that omap3_check_revision accesses the correct
Hemant Pedanekara9203602011-12-13 10:46:44 -0800113 * 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).
Hemant Pedanekar01001712011-02-16 08:31:39 -0800115 */
Hemant Pedanekara9203602011-12-13 10:46:44 -0800116#define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \
117 TI81XX_CONTROL_DEVICE_ID - 0x204)
Hemant Pedanekar01001712011-02-16 08:31:39 -0800118
Hemant Pedanekara9203602011-12-13 10:46:44 -0800119static struct omap_globals ti81xx_globals = {
Hemant Pedanekar01001712011-02-16 08:31:39 -0800120 .class = OMAP343X_CLASS,
Hemant Pedanekara9203602011-12-13 10:46:44 -0800121 .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),
Hemant Pedanekar01001712011-02-16 08:31:39 -0800125};
126
Hemant Pedanekara9203602011-12-13 10:46:44 -0800127void __init omap2_set_globals_ti81xx(void)
Hemant Pedanekar01001712011-02-16 08:31:39 -0800128{
Hemant Pedanekara9203602011-12-13 10:46:44 -0800129 __omap2_set_globals(&ti81xx_globals);
130}
131
132void __init ti81xx_map_io(void)
133{
134 omapti81xx_map_common_io();
Hemant Pedanekar01001712011-02-16 08:31:39 -0800135}
Afzal Mohammed1e6cb142011-12-13 10:46:43 -0800136
137#define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \
Hemant Pedanekara9203602011-12-13 10:46:44 -0800138 TI81XX_CONTROL_DEVICE_ID - 0x204)
Afzal Mohammed1e6cb142011-12-13 10:46:43 -0800139
140static 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
148void __init omap2_set_globals_am33xx(void)
149{
150 __omap2_set_globals(&am33xx_globals);
151}
152
153void __init am33xx_map_io(void)
154{
155 omapam33xx_map_common_io();
156}
Paul Walmsleyaa218da2010-10-08 11:40:19 -0600157#endif
158
159#if defined(CONFIG_ARCH_OMAP4)
160static struct omap_globals omap4_globals = {
161 .class = OMAP443X_CLASS,
162 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
Tony Lindgren4c3cf902011-10-04 18:17:41 -0700163 .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),
Paul Walmsleyaa218da2010-10-08 11:40:19 -0600168};
169
170void __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}
Benoit Cousson35549ec2011-09-23 22:23:09 +0200176
177void __init omap4_map_io(void)
178{
Benoit Cousson35549ec2011-09-23 22:23:09 +0200179 omap44xx_map_common_io();
180}
Paul Walmsleyaa218da2010-10-08 11:40:19 -0600181#endif
182