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/hardware.h>
21 #include <plat/board.h>
22 #include <plat/mux.h>
23 #include <plat/clock.h>
24
25 #include "iomap.h"
26 #include "common.h"
27 #include "sdrc.h"
28 #include "control.h"
29
30 /* Global address base setup code */
31
32 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
33
__omap2_set_globals(struct omap_globals * omap2_globals)34 static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
35 {
36 omap2_set_globals_tap(omap2_globals);
37 omap2_set_globals_sdrc(omap2_globals);
38 omap2_set_globals_control(omap2_globals);
39 omap2_set_globals_prcm(omap2_globals);
40 }
41
42 #endif
43
44 #if defined(CONFIG_SOC_OMAP2420)
45
46 static struct omap_globals omap242x_globals = {
47 .class = OMAP242X_CLASS,
48 .tap = OMAP2_L4_IO_ADDRESS(0x48014000),
49 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
50 .sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE),
51 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
52 .prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE),
53 .cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE),
54 };
55
omap2_set_globals_242x(void)56 void __init omap2_set_globals_242x(void)
57 {
58 __omap2_set_globals(&omap242x_globals);
59 }
60
omap242x_map_io(void)61 void __init omap242x_map_io(void)
62 {
63 omap242x_map_common_io();
64 }
65 #endif
66
67 #if defined(CONFIG_SOC_OMAP2430)
68
69 static struct omap_globals omap243x_globals = {
70 .class = OMAP243X_CLASS,
71 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000),
72 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
73 .sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE),
74 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
75 .prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE),
76 .cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE),
77 };
78
omap2_set_globals_243x(void)79 void __init omap2_set_globals_243x(void)
80 {
81 __omap2_set_globals(&omap243x_globals);
82 }
83
omap243x_map_io(void)84 void __init omap243x_map_io(void)
85 {
86 omap243x_map_common_io();
87 }
88 #endif
89
90 #if defined(CONFIG_ARCH_OMAP3)
91
92 static struct omap_globals omap3_globals = {
93 .class = OMAP343X_CLASS,
94 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000),
95 .sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
96 .sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE),
97 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
98 .prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE),
99 .cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
100 };
101
omap2_set_globals_3xxx(void)102 void __init omap2_set_globals_3xxx(void)
103 {
104 __omap2_set_globals(&omap3_globals);
105 }
106
omap3_map_io(void)107 void __init omap3_map_io(void)
108 {
109 omap34xx_map_common_io();
110 }
111
112 /*
113 * Adjust TAP register base such that omap3_check_revision accesses the correct
114 * TI81XX register for checking device ID (it adds 0x204 to tap base while
115 * TI81XX DEVICE ID register is at offset 0x600 from control base).
116 */
117 #define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \
118 TI81XX_CONTROL_DEVICE_ID - 0x204)
119
120 static struct omap_globals ti81xx_globals = {
121 .class = OMAP343X_CLASS,
122 .tap = OMAP2_L4_IO_ADDRESS(TI81XX_TAP_BASE),
123 .ctrl = OMAP2_L4_IO_ADDRESS(TI81XX_CTRL_BASE),
124 .prm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
125 .cm = OMAP2_L4_IO_ADDRESS(TI81XX_PRCM_BASE),
126 };
127
omap2_set_globals_ti81xx(void)128 void __init omap2_set_globals_ti81xx(void)
129 {
130 __omap2_set_globals(&ti81xx_globals);
131 }
132
ti81xx_map_io(void)133 void __init ti81xx_map_io(void)
134 {
135 omapti81xx_map_common_io();
136 }
137
138 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \
139 TI81XX_CONTROL_DEVICE_ID - 0x204)
140
141 static struct omap_globals am33xx_globals = {
142 .class = AM335X_CLASS,
143 .tap = AM33XX_L4_WK_IO_ADDRESS(AM33XX_TAP_BASE),
144 .ctrl = AM33XX_L4_WK_IO_ADDRESS(AM33XX_CTRL_BASE),
145 .prm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
146 .cm = AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE),
147 };
148
omap2_set_globals_am33xx(void)149 void __init omap2_set_globals_am33xx(void)
150 {
151 __omap2_set_globals(&am33xx_globals);
152 }
153
am33xx_map_io(void)154 void __init am33xx_map_io(void)
155 {
156 omapam33xx_map_common_io();
157 }
158 #endif
159
160 #if defined(CONFIG_ARCH_OMAP4)
161 static struct omap_globals omap4_globals = {
162 .class = OMAP443X_CLASS,
163 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
164 .ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
165 .ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
166 .prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
167 .cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
168 .cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
169 };
170
omap2_set_globals_443x(void)171 void __init omap2_set_globals_443x(void)
172 {
173 omap2_set_globals_tap(&omap4_globals);
174 omap2_set_globals_control(&omap4_globals);
175 omap2_set_globals_prcm(&omap4_globals);
176 }
177
omap4_map_io(void)178 void __init omap4_map_io(void)
179 {
180 omap44xx_map_common_io();
181 }
182 #endif
183
184