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
__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 = 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
omap2_set_globals_242x(void)55 void __init omap2_set_globals_242x(void)
56 {
57 __omap2_set_globals(&omap242x_globals);
58 }
59 #endif
60
61 #if defined(CONFIG_SOC_OMAP2430)
62
63 static 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
omap2_set_globals_243x(void)73 void __init omap2_set_globals_243x(void)
74 {
75 __omap2_set_globals(&omap243x_globals);
76 }
77 #endif
78
79 #if defined(CONFIG_ARCH_OMAP3)
80
81 static 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
omap2_set_globals_3xxx(void)91 void __init omap2_set_globals_3xxx(void)
92 {
93 __omap2_set_globals(&omap3_globals);
94 }
95
omap3_map_io(void)96 void __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
110 static 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
omap2_set_globals_ti816x(void)118 void __init omap2_set_globals_ti816x(void)
119 {
120 __omap2_set_globals(&ti816x_globals);
121 }
122 #endif
123
124 #if defined(CONFIG_ARCH_OMAP4)
125 static 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
omap2_set_globals_443x(void)135 void __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
143