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 "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
__omap2_set_globals(struct omap_globals * omap2_globals)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_SOC_OMAP2420)
44
45 static struct omap_globals omap242x_globals = {
46 .class = OMAP242X_CLASS,
47 .tap = OMAP2_L4_IO_ADDRESS(0x48014000),
48 .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),
53 };
54
omap2_set_globals_242x(void)55 void __init omap2_set_globals_242x(void)
56 {
57 __omap2_set_globals(&omap242x_globals);
58 }
59
omap242x_map_io(void)60 void __init omap242x_map_io(void)
61 {
62 omap242x_map_common_io();
63 }
64 #endif
65
66 #if defined(CONFIG_SOC_OMAP2430)
67
68 static struct omap_globals omap243x_globals = {
69 .class = OMAP243X_CLASS,
70 .tap = OMAP2_L4_IO_ADDRESS(0x4900a000),
71 .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),
76 };
77
omap2_set_globals_243x(void)78 void __init omap2_set_globals_243x(void)
79 {
80 __omap2_set_globals(&omap243x_globals);
81 }
82
omap243x_map_io(void)83 void __init omap243x_map_io(void)
84 {
85 omap243x_map_common_io();
86 }
87 #endif
88
89 #if defined(CONFIG_ARCH_OMAP3)
90
91 static struct omap_globals omap3_globals = {
92 .class = OMAP343X_CLASS,
93 .tap = OMAP2_L4_IO_ADDRESS(0x4830A000),
94 .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),
99 };
100
omap2_set_globals_3xxx(void)101 void __init omap2_set_globals_3xxx(void)
102 {
103 __omap2_set_globals(&omap3_globals);
104 }
105
omap3_map_io(void)106 void __init omap3_map_io(void)
107 {
108 omap34xx_map_common_io();
109 }
110
111 /*
112 * Adjust TAP register base such that omap3_check_revision accesses the correct
113 * 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).
115 */
116 #define TI81XX_TAP_BASE (TI81XX_CTRL_BASE + \
117 TI81XX_CONTROL_DEVICE_ID - 0x204)
118
119 static struct omap_globals ti81xx_globals = {
120 .class = OMAP343X_CLASS,
121 .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),
125 };
126
omap2_set_globals_ti81xx(void)127 void __init omap2_set_globals_ti81xx(void)
128 {
129 __omap2_set_globals(&ti81xx_globals);
130 }
131
ti81xx_map_io(void)132 void __init ti81xx_map_io(void)
133 {
134 omapti81xx_map_common_io();
135 }
136
137 #define AM33XX_TAP_BASE (AM33XX_CTRL_BASE + \
138 TI81XX_CONTROL_DEVICE_ID - 0x204)
139
140 static 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
omap2_set_globals_am33xx(void)148 void __init omap2_set_globals_am33xx(void)
149 {
150 __omap2_set_globals(&am33xx_globals);
151 }
152
am33xx_map_io(void)153 void __init am33xx_map_io(void)
154 {
155 omapam33xx_map_common_io();
156 }
157 #endif
158
159 #if defined(CONFIG_ARCH_OMAP4)
160 static struct omap_globals omap4_globals = {
161 .class = OMAP443X_CLASS,
162 .tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
163 .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),
168 };
169
omap2_set_globals_443x(void)170 void __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 }
176
omap4_map_io(void)177 void __init omap4_map_io(void)
178 {
179 omap44xx_map_common_io();
180 }
181 #endif
182
183