xref: /openbmc/linux/arch/arm/mach-omap2/common.c (revision 4800cd83)
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 
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_ARCH_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 	.uart1_phys	= OMAP2_UART1_BASE,
54 	.uart2_phys	= OMAP2_UART2_BASE,
55 	.uart3_phys	= OMAP2_UART3_BASE,
56 };
57 
58 void __init omap2_set_globals_242x(void)
59 {
60 	__omap2_set_globals(&omap242x_globals);
61 }
62 #endif
63 
64 #if defined(CONFIG_ARCH_OMAP2430)
65 
66 static struct omap_globals omap243x_globals = {
67 	.class	= OMAP243X_CLASS,
68 	.tap	= OMAP2_L4_IO_ADDRESS(0x4900a000),
69 	.sdrc	= OMAP243X_SDRC_BASE,
70 	.sms	= OMAP243X_SMS_BASE,
71 	.ctrl	= OMAP243X_CTRL_BASE,
72 	.prm	= OMAP2430_PRM_BASE,
73 	.cm	= OMAP2430_CM_BASE,
74 	.uart1_phys	= OMAP2_UART1_BASE,
75 	.uart2_phys	= OMAP2_UART2_BASE,
76 	.uart3_phys	= OMAP2_UART3_BASE,
77 };
78 
79 void __init omap2_set_globals_243x(void)
80 {
81 	__omap2_set_globals(&omap243x_globals);
82 }
83 #endif
84 
85 #if defined(CONFIG_ARCH_OMAP3)
86 
87 static struct omap_globals omap3_globals = {
88 	.class	= OMAP343X_CLASS,
89 	.tap	= OMAP2_L4_IO_ADDRESS(0x4830A000),
90 	.sdrc	= OMAP343X_SDRC_BASE,
91 	.sms	= OMAP343X_SMS_BASE,
92 	.ctrl	= OMAP343X_CTRL_BASE,
93 	.prm	= OMAP3430_PRM_BASE,
94 	.cm	= OMAP3430_CM_BASE,
95 	.uart1_phys	= OMAP3_UART1_BASE,
96 	.uart2_phys	= OMAP3_UART2_BASE,
97 	.uart3_phys	= OMAP3_UART3_BASE,
98 	.uart4_phys	= OMAP3_UART4_BASE,	/* Only on 3630 */
99 };
100 
101 void __init omap2_set_globals_3xxx(void)
102 {
103 	__omap2_set_globals(&omap3_globals);
104 }
105 
106 void __init omap3_map_io(void)
107 {
108 	omap2_set_globals_3xxx();
109 	omap34xx_map_common_io();
110 }
111 #endif
112 
113 #if defined(CONFIG_ARCH_OMAP4)
114 static struct omap_globals omap4_globals = {
115 	.class	= OMAP443X_CLASS,
116 	.tap	= OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
117 	.ctrl	= OMAP443X_SCM_BASE,
118 	.ctrl_pad	= OMAP443X_CTRL_BASE,
119 	.prm	= OMAP4430_PRM_BASE,
120 	.cm	= OMAP4430_CM_BASE,
121 	.cm2	= OMAP4430_CM2_BASE,
122 	.uart1_phys	= OMAP4_UART1_BASE,
123 	.uart2_phys	= OMAP4_UART2_BASE,
124 	.uart3_phys	= OMAP4_UART3_BASE,
125 	.uart4_phys	= OMAP4_UART4_BASE,
126 };
127 
128 void __init omap2_set_globals_443x(void)
129 {
130 	omap2_set_globals_tap(&omap4_globals);
131 	omap2_set_globals_control(&omap4_globals);
132 	omap2_set_globals_prcm(&omap4_globals);
133 }
134 #endif
135 
136